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WoS SCOPUS Document Type Document Title Abstract Authors Affiliation ResearcherID (WoS) AuthorsID (SCOPUS) Author Email(s) Journal Name JCR Abbreviation ISSN eISSN Volume Issue WoS Edition WoS Category JCR Year IF JCR (%) FWCI FWCI Update Date WoS Citation SCOPUS Citation Keywords (WoS) KeywordsPlus (WoS) Keywords (SCOPUS) KeywordsPlus (SCOPUS) Language Publication Stage Publication Year Publication Date DOI JCR Link DOI Link WOS Link SCOPUS Link
Article Hybrid Analysis Method Considering Overhang Structures for Surface Permanent-Magnet Machines This paper introduces a novel hybrid analysis method based on 2-D finite element method (FEM) for analyzing surface permanent-magnet machine (SPM) with an overhang structure which the axial length of rotor exceeds that of the stator. The overhang results the enhanced torque and power density by simply adding extra permanent magnet (PM) in axial direction utilizing the spare length of rotor compared to the stator with end-turn coil. However, it causes the flux behavior in axial direction especially around end parts of the motor, with inevitably requiring a time-consuming 3-D FEM for the consideration of the non-uniform aspects. It must be computationally big burden for designers to use the 3-D FEM in whole design process. To deal with the problem, a novel analysis method based on 2-D FEM which utilizes a virtual remanence of PM derived from the magnetic equivalent circuit (MEC) analysis is proposed. This concept introduces the MEC considering the overhang effects and combines remanence with a numerical analysis model. The accuracy and usefulness of the proposed method are validated through 3-D FEM and experimental results. Seo, Jangho; Kim, Rae-Eun; Lee, Jae-Gil Kyungpook Natl Univ, Sch Automot Engn, Sangju, South Korea; Seoul Natl Univ, Dept Elect & Comp Engn, Seoul, South Korea; Korea Elect Technol Inst, Intelligent Mechatron Res Ctr, Bucheon, South Korea; Korea Electrotechnol Res Inst, Elect Machines & Drives Res Ctr, Ind Applicat Res Div, Chang Won, South Korea Lee, Jae-Gil/JHT-5069-2023 12791073600; 57189235125; 57193252215 j.seo@knu.ac.kr;kre2567@keti.re.kr;leejg@keri.re.kr; JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY J ELECTR ENG TECHNOL 1975-0102 2093-7423 17 2 SCIE ENGINEERING, ELECTRICAL & ELECTRONIC 2022 1.9 70.0 0 2025-06-25 0 0 Electromagnetic analysis; Lumped magnetic equivalent circuit; Overhang structure; Permanent magnet; Remanence AIR-GAP FLUX; FIELD DISTRIBUTION; MOTORS; DENSITY; DESIGN Electromagnetic analysis; Lumped magnetic equivalent circuit; Overhang structure; Permanent magnet; Remanence Consumer behavior; Equivalent circuits; Magnetic circuits; Stators; Timing circuits; 2-D finite-element methods; 3D Finite Element Method (FEM); Axial direction; Axial length; Electromagnetic analysis; Hybrid analysis method; Lumped magnetic equivalent circuit; Magnetic equivalent circuits; Overhang structure; Torque density; Permanent magnets English 2022 2022-03 10.1007/s42835-021-00982-4 바로가기 바로가기 바로가기 바로가기
Article Switching Losses Minimization Method for EV Inverter with Individual Sequential Gating of Parallel-Connected Switches To achieve high output currents at a low cost, semiconductor switch modules are frequently operated in parallel. The simplest way to drive the parallel switching module is to synchronize all on and off gate signals of each switch. Individual control is used in this article to reduce switching losses by applying a short delay time to each switching signal based on current level. Experiments are performed to compare the individual control method and the synchronization control method, and the optimal switching combination with the lowest switching loss is proposed. This proposed switching method is simulated by applying to the Urban Dynamometer Driving Schedule and the Highway Fuel Economy Test, both of which are energy efficiency calculation standards in electric vehicles. The results of the analysis demonstrate the feasibility and practicality of the proposed individual switching method. Im, Seong-Hwan; Park, Gwangmin; Kim, Jae-Heon; Gu, Bon-Gwan Kyungpook Natl Univ, Sch Energy Engn, Daegu, South Korea; Korea Automot Technol Inst, Cheonan, South Korea; Hyundai Mobis, Seoul, South Korea 57212462415; 35305888000; 57224925109; 50061273700 imsh9698@naver.com;gmpark@katech.re.kr;bggu@knu.ac.kr; JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY J ELECTR ENG TECHNOL 1975-0102 2093-7423 17 6 SCIE ENGINEERING, ELECTRICAL & ELECTRONIC 2022 1.9 70.0 0.16 2025-06-25 1 2 Individual control of parallel switches; Switching turn on loss; Switching turn off loss; Reverse recovery loss; Electric vehicles driving cycle; Optimal switching combinations EFFICIENCY Electric vehicles driving cycle; Individual control of parallel switches; Optimal switching combinations; Reverse recovery loss; Switching turn off loss; Switching turn on loss Dynamometers; Electric inverters; Electric losses; Electric switches; Electric vehicles; Energy efficiency; Fuel economy; Electric vehicle driving cycle; Individual control; Individual control of parallel switch; Optimal switching; Optimal switching combination; Parallel switch; Reverse recovery; Reverse recovery loss; Switching turn off loss; Switching turn on loss; Turn-off loss; Vehicle driving cycle; Switching English 2022 2022-11 10.1007/s42835-022-01113-3 바로가기 바로가기 바로가기 바로가기
Article Winding Factor of Vernier Permanent Magnet Motor Several studies have been reported on vernier permanent magnet synchronous motors (VPMSMs) using spatial harmonics in air-gap flux density owing to their low-speed high-torque characteristics. However, coefficients that can predict the performance of VPMSMs in motor design processes have not been extensively researched. The gear ratio indicates the degree of amplification of the spatial harmonics, but there is a big difference between the performances predicted using the gear ratio and the actual performance of VPMSMs. The winding factor can estimate the magnitude of the electromotive force (EMF) of the motor. Although the winding factor is suitable for conventional motors, it cannot be applied to VPMSM, which amplifies EMF through spatial harmonics. In this study, we investigated the winding factor of VPMSMs and proposed a winding factor calculation method suitable for VPMSMs. Based on the analytical method, the proposed calculation method could instantly and accurately estimate the winding factor of VPMSMs. With this method, the EMF performance of VPMSMs can be predicted according to the pole-slot combination. To verify the validity of the proposed method, we compared the gear ratio, the proposed winding factor, and the magnitude of the EMF obtained by the finite element method. Kwon, Hyuk-Sung; Yeo, Han-Kyeol; Seo, Jangho Komotek Motor Co, Res & Dev Div, Seongnam 13210, South Korea; Univ Suwon, Div Elect & Elect Engn, Hwaseong 18323, South Korea; Kyungpook Natl Univ, Sch Automot Engn, Sangju 37224, South Korea 57193577248; 55608281300; 12791073600 j.seo@knu.ac.kr; JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY J ELECTR ENG TECHNOL 1975-0102 2093-7423 17 4 SCIE ENGINEERING, ELECTRICAL & ELECTRONIC 2022 1.9 70.0 0 2025-06-25 0 0 Conformal mapping method; Electromotive force; Synchronous motor; Vernier permanent magnet; Winding factor DESIGN; OPERATION; MACHINE Conformal mapping method; Electromotive force; Synchronous motor; Vernier permanent magnet; Winding factor Conformal mapping; Electromotive force; Harmonic analysis; Synchronous motors; Winding; Air gap flux density; Conformal mapping method; Gear ratios; Low speed; Performance; Permanent magnet motor; Permanent Magnet Synchronous Motor; Spatial-harmonic; Vernier permanent magnet; Winding factors; Permanent magnets English 2022 2022-07 10.1007/s42835-022-01034-1 바로가기 바로가기 바로가기 바로가기
Article Association between periodontal disease and diabetes using propensity score matching: The seventh Korea National Health and Nutrition Examination Survey The association between periodontitis and diabetes have been assessed by many cross-sectional studies, in which controlling confounding factors is important. Propensity score matching (PSM) may help address this issue. Therefore, we evaluated this relationship in a (PSM) analysis of individuals representing the general Korean population. Periodontitis was significantly associated with diabetes before PSM (odds ratio [OR] = 1.53; 95 % confidence interval (CI) = 1.31-1.80) and after PSM (OR = 1.52; 95 % CI = 1.28-1.80). This study showed the association between periodontitis and diabetes using PSM, suggesting that periodontitis may be positively related with diabetes. We included 9508 adults who were aged >= 19 years from the Korea National Health and Nutrition Examination Survey VII (2016-2018) and performed logistic regression analyses before and after PSM. The PSM was based on periodontal disease (yes or no) using a 1:1 match ratio and included 5858 individuals (2929 per group). Confounding variables, such as age, sex, marital status, occupation, education, income, smoking and drinking habits, obesity, hypertension, hypercholesterolemia, and hypertriglyceridemia, were matched and adjusted in the logistic regression analysis. Kim, Eun-Kyong; Kang, Sohee; Park, Eun Young Kyungpook Natl Univ, Coll Sci & Technol, Dept Dent Hyg, Sangju, South Korea; Yeungnam Univ, Coll Med, Dept Dent, Daegu, South Korea; Yeungnam Univ, Coll Med, Dept Dent, 170 Hyeonchung ro, Daegu 42415, South Korea 55915892100; 57874967700; 57188575494 jinha01@naver.com;kangsh@yu.ac.kr;acidic@yu.ac.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 47 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0 2025-06-25 0 0 diabetes mellitus; periodontitis; propensity score matching MELLITUS; PREVALENCE; SELECTION; CRITERIA; UPDATE; BIAS diabetes mellitus; periodontitis; propensity score matching Adult; Cross-Sectional Studies; Diabetes Mellitus; Humans; Nutrition Surveys; Periodontal Diseases; Propensity Score; Republic of Korea; adult; aged; clinical evaluation; confounding variable; controlled study; cross-sectional study; diabetes mellitus; disease association; drinking behavior; educational status; female; health survey; household income; human; hypercholesterolemia; hypertension; hypertriglyceridemia; Korea; logistic regression analysis; major clinical study; male; marriage; medical assessment; medical examination; middle aged; obesity; occupation; periodontal disease; periodontitis; propensity score; propensity score matching; public health; Review; smoking; young adult; complication; diabetes mellitus; nutrition; periodontal disease; propensity score; South Korea English 2022 2022-11-25 10.1097/md.0000000000031729 바로가기 바로가기 바로가기 바로가기
Article Association between use of antacid medications (proton pump inhibitors and histamine-2 receptor antagonists) and the incidence of lung cancer A population-based cohort analysis This study investigated the association between antacid administration and lung cancer incidence in a real-world setting. This was a nationwide, retrospective cohort study. The cohort comprised random samples (n = 1,031,392) from the entire South Korean population in 2002. The duration of antacid administration between January 2006 and December 2010 was recorded for each participant. Newly developed lung cancers were counted during the 5-year observation period (January 1, 2006 to December 31, 2010). A total of 437,370 participants aged >= 40 years were included, of whom 301,201 (68.9%) had antacid exposure before the diagnosis of lung cancer. A total of 1230 (0.28%) antacid-exposed patients developed lung cancer. Among patients with no antacid exposure or underexposure (n = 136,171), 597 (0.44%) developed lung cancer. In the multivariable analysis, antacid exposure before the diagnosis of lung cancer was independently associated with a reduced incidence of lung cancer (hazard ratio: 0.64; 95% confidence interval: 0.55-0.74; P < .001). Antacid use might be independently associated with a decreased risk of lung cancer development in this cohort study. Go, Subin; Lee, Dong Yoon; Choi, Won-Il; Jeong, Jihyeon Hanyang Univ, Myongji Hosp, Coll Med, Dept Internal Med, Goyang, South Korea; Keimyung Univ, Sch Med, Dept Prevent Med, Daegu, South Korea; Kyungpook Natl Univ, Dept Stat, Daegu, South Korea Lee, DongYoon/KFR-2934-2024 57892406000; 57309281000; 7402516121; 57209972988 gsb3201@naver.com;yardsticklee@gmail.com;choi_wi@hanmail.net;no07_isen@naver.com; MEDICINE MEDICINE 0025-7974 1536-5964 101 36 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.48 2025-06-25 2 3 antacid; incidence; lung cancer CYTOSOLIC PHOSPHOLIPASE-A2; ACID ASPIRATION; CIMETIDINE; ANGIOGENESIS; EXPRESSION; PATHWAY; GROWTH; INJURY; VOLUME; CELLS Antacid; Incidence; Lung cancer Antacids; Anti-Ulcer Agents; Cohort Studies; Histamine; Histamine H2 Antagonists; Humans; Incidence; Lung Neoplasms; Proton Pump Inhibitors; Retrospective Studies; histamine H2 receptor antagonist; proton pump inhibitor; antacid agent; antiulcer agent; histamine; histamine H2 receptor antagonist; proton pump inhibitor; adult; aged; Article; cancer diagnosis; cancer incidence; cancer patient; cancer risk; cohort analysis; controlled study; disease association; drug exposure; drug use; female; human; longitudinal study; lung cancer; major clinical study; male; middle aged; observational study; population research; random sample; retrospective study; South Korea; treatment duration; very elderly; incidence; lung tumor English 2022 2022-09-09 10.1097/md.0000000000030399 바로가기 바로가기 바로가기 바로가기
Article Automated and manual microscopic analyses for leukocyte differential counts in exudative pleural effusions Real-world disagreement and clinical application Differential leukocyte counts of pleural fluid are routinely recommended for the early diagnosis and management of exudative pleural effusions. Rapid automated cellular analysis agrees strongly with standard manual microscopic counts and has become a reality in many clinical laboratories. However, discordant results sometimes observed between automated and manual analyses raise concern about using automated analysis to aid prompt differential diagnosis. This study aimed to evaluate the real-world disagreement between automated and manual leukocyte analyses in exudative pleural effusions and to investigate whether the discordant results occur in specific cellular ranges or randomly. We conducted a retrospective study of patients who were diagnosed with parapneumonic pleural effusions (PPE), tuberculous pleural effusions (TPE), and malignant pleural effusions (MPE) between September 2018 and December 2020. Differential and predominant leukocyte counts were performed using an automated XN-350 analyzer with a two-part differential count consisting of polymorphonuclear (PMN) and mononuclear (MN) leukocytes and a manual method with Wright-stained cytospin slides. We compared the two methods on cases of 109 PPEs, 50 TPEs, and 116 MPEs. Although the overall correlation between the two methods for differential leukocyte counts was excellent, there were etiologic variations; MPEs showed a lower correlation compared to PPEs and TPEs. Automated-PMN predominance almost corresponded to manual cytospin-neutrophilic predominance. In contrast, similar to 10% of the automated-MN predominance did not correspond with the cytospin-lymphocytic predominance. These discrepancies occurred most in the automated-MN% range of 51% to 60%, followed by 61% to 70%. The PMN% range >= 50% and <30% on the automated analysis reliably corresponds to the neutrophilic and lymphocytic predominance, respectively. However, the MN% range of 51% to 70% may not coincide with lymphocytic predominance on manual cytospin analysis. This range leaves the potential cause of exudative pleural effusions open. Lee, Jaehee; Kim, Yu Kyung; Park, Ji Eun; Lee, Yong Hoon; Choi, Sun Ha; Seo, Hyewon; Yoo, Seung Soo; Lee, Shin Yup; Cha, Seung-Ick; Park, Jae Yong; Kim, Chang Ho Kyungpook Natl Univ, Sch Med, Dept Internal Med, 680 Gukchaebosang Ro, Daegu 41944, South Korea; Kyungpook Natl Univ, Sch Med, Dept Clin Pathol, Daegu, South Korea Lee, Jun Young/CAI-2335-2022; Lee, Jaehee/S-1697-2018; Choi, Sun Ha/HPD-7234-2023 13805476000; 9237571900; 57195437358; 57199022948; 57199723585; 55612130200; 56479781600; 49863712700; 35227126400; 58360293800; 7409873555 kimch@knu.ac.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 37 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.16 2025-06-25 0 1 automated hemocytometer analyzer; cytospin; differential leukocyte counts; manual microscopic analysis; pleural effusion HIGH-FLUORESCENT CELLS; BODY-FLUIDS; PERFORMANCE EVALUATION automated hemocytometer analyzer; cytospin; differential leukocyte counts; manual microscopic analysis; pleural effusion Humans; Leukocyte Count; Leukocytes; Lymphocytes; Pleural Effusion; Retrospective Studies; adult; aged; Article; basophil count; clinical practice; comparative study; correlation analysis; eosinophil count; exudative pleural effusion; female; human; human cell; hydrothorax; laboratory automation; leukocyte differential count; leukocyte parameters; major clinical study; male; malignant pleura effusion; microscopy; mononuclear cell; neutrophil count; pleura effusion; pneumonic effusion; polymorphonuclear cell; retrospective study; thoracocentesis; thorax radiography; tuberculous pleural effusion; leukocyte; leukocyte count; lymphocyte; pathology; pleura effusion English 2022 2022-09-16 10.1097/md.0000000000030611 바로가기 바로가기 바로가기 바로가기
Article Bilateral paranasal sinus fungal balls: A retrospective cohort study in 28 patients over a 21-year period Paranasal fungal balls are rare entities for which a recent increase in reported cases has been observed. Fungal balls are most commonly unilateral, and there are few bilateral cases in the literature. Here we report the clinical features of bilateral fungal balls in 24 patients treated in our institution over the past 20 years. In this retrospective study, we reviewed the medical records of 5279 patients who underwent endoscopic sinus surgery performed by a single surgeon from January 1996 to December 2016 at a tertiary care center in order to identify patients diagnosed with fungal balls confirmed histopathologically. Demographic data and radiologic findings of patients with bilateral fungal balls were compared with those who had unilateral fungal balls. Multiple logistic regression test was used to compare demographic information between patients with unilateral and bilateral fungal balls. The most commonly involved sinus in bilateral cases was maxillary (87.5%), followed by ethmoid (37.5%) and sphenoid (33.3%). Of the 24 patients, 19 were female, and patient age ranged from 45 to 83 years, with an average of 65.1 years. Common existing comorbidities were hypertension (45.8%), diabetes (29.2%), cardiac problem (16.7%), cerebral infarction (8.3%), pulmonary tuberculosis (8.3%), and lung cancer (4.2%). The clinically relevant features of patients diagnosed with bilateral fungal balls from our review include advanced age and immunocompromised status compared to those with unilateral fungal balls. These features contribute to the clinical distinction of bilateral fungal ball disease from unilateral fungal balls and invasive fungal sinusitis. Kim, Jong Seung; Kwon, Sam Hyun; Kim, Jung Soo; Heo, Sung Jae Chonbuk Natl Univ, Coll Med, Dept Otorhinolaryngol Head & Neck Surg, Jeonju, South Korea; Chonbuk Natl Univ, Chonbuk Natl Univ Hosp, Biomed Res Inst, Res Inst Clin Med, Jeonju, South Korea; Kyungpook Natl Univ, Sch Med, Dept Otorhinolaryngol Head & Neck Surg, Daegu, South Korea 허, 성재/AAU-3921-2020 57218494735; 56849770300; 55720132500; 55822906000 blueskyhsj@hanmail.net; MEDICINE MEDICINE 0025-7974 1536-5964 101 33 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.96 2025-06-25 6 6 epidemiology; mycoses; sinusitis Epidemiology; Mycoses; Sinusitis Aged; Aged, 80 and over; Endoscopy; Female; Humans; Invasive Fungal Infections; Male; Middle Aged; Paranasal Sinuses; Retrospective Studies; Sinusitis; aged; diagnostic imaging; endoscopy; female; human; male; middle aged; paranasal sinus; retrospective study; sinusitis; systemic mycosis; very elderly English 2022 2022-08-19 10.1097/md.0000000000030174 바로가기 바로가기 바로가기 바로가기
Article Clinical and genetic features of four patients with Pearson syndrome An observational study Pearson syndrome (PS) is a multisystem mitochondrial cytopathy arising from deletions in mitochondrial DNA. Pearson syndrome is a sporadic disease that affects the hematopoietic system, pancreas, eyes, liver, and heart and the prognosis is poor. Causes of morbidity include metabolic crisis, bone marrow dysfunction, sepsis, and liver failure in early infancy or childhood. Early diagnosis may minimize complications, but suspicion of the disease is difficult and only mitochondrial DNA gene testing can identify mutations. There is no specific treatment for PS, which remains supportive care according to symptoms; however, hematopoietic stem cell transplantation may be considered in cases of bone marrow failure. We herein describe the clinical and genetic characteristics of four patients with PS. One patient presented with hypoglycemia, two developed pancytopenia, and the final patient had hypoglycemia and acute hepatitis as the primary manifestation. All patients had lactic acidosis. Additionally, all patients showed a variety of clinical features including coagulation disorder, pancreatic, adrenal, and renal tubular insufficiencies. Two patients with pancytopenia died in their early childhood. Our experience expands the phenotypic spectrum associated with PS and its clinical understanding. Son, Ji Soo; Seo, Go Hun; Kim, Yoon-Myung; Kim, Gu-Hwan; Jin, Hee Kyung; Bae, Jae-sung; Im, Ho Joon; Yoo, Han-Wook; Lee, Beom Hee Univ Ulsan, Dept Pediat, Asan Med Ctr, Childrens Hosp,Coll Med, Seoul, South Korea; 3billion Inc, Div Med Genet, Seoul, South Korea; Univ Ulsan, Coll Med, Dept Pediat, Gangneung Asan Hosp, Kangnung, South Korea; Univ Ulsan, Ctr Med Genet, Asan Med Ctr, Childrens Hosp,Coll Med, Kangnung, South Korea; Kyungpook Natl Univ, Dept Lab Anim Med, Coll Vet Med, Daegu, South Korea; Kyungpook Natl Univ, Dept Physiol, Cell & Matrix Res Inst, Sch Med, Daegu, South Korea Bae, Jae-sung/AAM-8663-2021; Kim, Young/T-8521-2019 57438413600; 57062033100; 57190732748; 7403064317; 8088145800; 35209510400; 14524798500; 7201373304; 55513175800; 57201405671 bhlee@amc.seoul.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 5 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 1.59 2025-06-25 11 10 mitochondrial DNA; mitochondrial DNA deletion syndrome; Pearson syndrome MITOCHONDRIAL; SINGLE; TRANSPLANTATION; DISORDERS; SPECTRUM mitochondrial DNA; mitochondrial DNA deletion syndrome; Pearson syndrome Child, Preschool; Congenital Bone Marrow Failure Syndromes; DNA, Mitochondrial; Hepatitis; Humans; Hypoglycemia; Lipid Metabolism, Inborn Errors; Mitochondrial Diseases; Muscular Diseases; Pancytopenia; alanine aminotransferase; aspartate aminotransferase; bicarbonate; bilirubin; busulfan; calcium carbonate; cyclophosphamide; cyclosporine; folic acid; genomic DNA; hemoglobin; hydrocortisone; mitochondrial DNA; sodium chloride; thymocyte antibody; mitochondrial DNA; absolute neutrophil count; activated partial thromboplastin time; acute hepatitis; adrenal disease; Article; blood clotting disorder; bone marrow biopsy; case report; clinical article; clinical feature; DNA sequencing; echography; erythrocyte transfusion; female; genetic trait; gestational age; graft versus host reaction; heart atrium septum defect; hepatomegaly; human; hypoglycemia; hypokalemia; hypomagnesemia; hyponatremia; hypophosphatemia; infant; international normalized ratio; Kazakhstani; kidney tubule disorder; laboratory test; lactic acidosis; lethargy; leukocyte count; lung hemorrhage; macrocytic anemia; male; mean corpuscular volume; metabolic acidosis; myelodysplastic syndrome; newborn; newborn intensive care; observational study; overall survival; pancreas disease; pancytopenia; Pearson syndrome; platelet count; polymerase chain reaction; refractory anemia with excess blasts; stunting; thrombocytopenia; visual disorder; vomiting; whole exome sequencing; disorders of lipid and lipoprotein metabolism; disorders of mitochondrial functions; hepatitis; hypoglycemia; muscle disease; pancytopenia; preschool child English 2022 2022-02-04 10.1097/md.0000000000028793 바로가기 바로가기 바로가기 바로가기
Article Comparison of the conventional Henry approach and trans-flexor carpi radialis approach for the treatment of distal radius fracture: A retrospective cohort study Few studies have compared the clinical outcomes of the conventional Henry approach and trans-flexor carpi radialis (FCR) approach. The purpose of this study was to compare the clinical and radiologic outcomes of the conventional Henry approach and trans-FCR approach for the treatment of distal radius fractures. We compared 20 wrists that underwent the conventional Henry approach with 20 wrists that underwent the trans-FCR approach for open reduction and internal fixation of distal radius fracture. The clinical and radiological parameters were checked at 3 months, 6 months, and 1 year after surgery. A visual analogue scale score, the modified Mayo wrist score, range of motion, and grip strength were collected. In addition, tenderness in the area of the FCR tendon were assessed. Regarding radiologic evaluations, the radial inclination, radial height, volar tilt, and ulna variance were measured. In the trans-FCR approach group, 15 patients complained of tenderness in the area of the FCR tendon at 3 months after surgery, which was significantly higher than those of conventional Henry approach group (P < .05). In the conventional Henry approach group, the tenderness had resolved spontaneously by 1 year after surgery in 19 patients. The trans-FCR approach can cause discomfort such as tenderness to the area of the FCR tendon compared to the conventional Henry approach, but there is no significant difference in the final clinical and radiologic outcomes. © 2022 Lippincott Williams and Wilkins. All rights reserved. Shim, Bum-Jin; Kim, Do-Young; Lee, Sang-Soo; Cho, Min-Soo; Hwang, Jung-Taek Department of Orthopedic Surgery, Kyungpook National University, Chilgok Hospital, Buk-gu, Daegu, South Korea; Department of Orthopedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University, Medical College, Gangwon-do, Chuncheon-si, South Korea; Department of Orthopedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University, Medical College, Gangwon-do, Chuncheon-si, South Korea; Department of Orthopedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University, Medical College, Gangwon-do, Chuncheon-si, South Korea; Department of Orthopedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University, Medical College, Gangwon-do, Chuncheon-si, South Korea 57201499293; 55742924300; 55716392800; 57215875441; 55385909300 drakehjt@hanmail.net; Medicine (United States) MEDICINE 0025-7974 1536-5964 101 49 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.48 2025-06-25 3 distal radius; flexor carpi radialis approach; fracture; henry approach Bone Plates; Fracture Fixation, Internal; Humans; Muscle, Skeletal; Radius Fractures; Range of Motion, Articular; Retrospective Studies; Wrist; Wrist Fractures; adult; aged; arm exercise; Article; clinical article; clinical evaluation; clinical outcome; cohort analysis; controlled study; conventional henry approach; distal radius fracture; female; flexor carpi radialis muscle; follow up; grip strength; human; male; middle aged; mobilization; modified mayo wrist score; musculoskeletal disease assessment; open fracture reduction; operation duration; osteosynthesis; postoperative care; postoperative pain; postoperative period; radial artery; radial height; radial inclination; radiological parameters; range of motion; resistance training; retrospective study; skin incision; surgical approach; tendon; tendon sheath; time to treatment; trans flexor carpi radialis approach; ulna variance; visual analog scale; volar plate fixation; volar tilt; weight training; wrist pain; adverse event; bone plate; diagnostic imaging; joint characteristics and functions; radius fracture; skeletal muscle; wrist English Final 2022 10.1097/md.0000000000031936 바로가기 바로가기 바로가기
Article Comparison of the effects of sevoflurane and desflurane on the severity score of postoperative pain and discomfort after thyroidectomy: A prospective, double-blinded, randomized controlled study Background: Thyroidectomy is performed under general anesthesia using inhaled anesthetics such as sevoflurane or desflurane in many cases. The objective of this study was to investigate whether the incidence of postoperative pain and discomfort after thyroidectomy differed with the type of inhaled anesthetic. Methods: Eighty-one female patients who underwent thyroidectomy were randomly assigned to the Sevo group (n = 42) or the Des group (n = 39). On the day of surgery and on the first, third, and seventh days after surgery, one registered nurse in charge of the entire questionnaire survey conducted the questionnaire assessment through face-to-face interviews or phone calls with the patients. The questionnaire evaluated the severity scores for seven items (sore throat, wound pain, nausea and vomiting, dizziness, occipital headache, posterior neck pain, and shoulder pain) regarding postoperative pain and discomfort experienced by patients and assessed which of these seven items caused the greatest discomfort to the patient on each day. Results: Except for the severity score for dizziness on the day of surgery, the severity scores of postoperative pain and discomfort experienced by patients on the day of surgery and on the first, third, and seventh days after surgery showed no statistically significant differences between the two groups. In addition, on the day of surgery and on the first, third, and seventh days after surgery, patients reported that sore throat caused the greatest discomfort. Conclusion: In patients undergoing thyroidectomy under general anesthesia using sevoflurane or desflurane, except for dizziness on the day of surgery, no other manifestation of postoperative pain and discomfort was influenced by the type of inhaled anesthetic. Moreover, after thyroidectomy, postoperative sore throat caused the greatest discomfort to patients from the day of surgery to the seventh day after surgery. Park, Jun-Mo Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Dept Anesthesiol & Pain Med, Sch Med, Daegu, South Korea 55967725100 pjm4013@naver.com; MEDICINE MEDICINE 0025-7974 1536-5964 101 43 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0 2025-06-25 0 0 desflurane; ponv; postoperative discomfort; postoperative nausea and vomiting; postoperative pain; sevoflurane; thyroidectomy RISK-FACTORS; SORE THROAT; NAUSEA; METAANALYSIS; PREVENTION; ANESTHESIA; INTERVIEW; TRIAL desflurane; ponv; postoperative discomfort; postoperative nausea and vomiting; postoperative pain; sevoflurane; thyroidectomy Anesthetics, Inhalation; Desflurane; Dizziness; Female; Humans; Isoflurane; Methyl Ethers; Pain, Postoperative; Pharyngitis; Prospective Studies; Sevoflurane; Thyroidectomy; 'orchestra'; agents acting on the peripheral nervous and neuromuscular systems; analgesic agent; antiemetic agent; atropine; desflurane; esmolol; glycopyrronium; nicardipine; phenylephrine; propofol; pyridostigmine; remifentanil; Ringer lactate solution; rocuronium; sevoflurane; desflurane; dimethyl ether; inhalation anesthetic agent; isoflurane; sevoflurane; adult; Article; comparative effectiveness; continuous infusion; controlled study; disease severity; dizziness; double blind procedure; female; general anesthesia; headache; human; incidence; inhalation anesthesia; major clinical study; middle aged; nape; neck pain; pain; pain severity; postoperative analgesia; postoperative complication; postoperative nausea and vomiting; postoperative pain; postoperative period; prospective study; questionnaire; randomized controlled trial; registered nurse; shoulder pain; sore throat; telephone interview; thyroidectomy; wound complication; wound pain; adverse event; dizziness; pharyngitis; postoperative pain; thyroidectomy English 2022 2022-10-28 10.1097/md.0000000000031393 바로가기 바로가기 바로가기 바로가기
Article Correlation between medical student empathy and a Korean nationwide comprehensive clinical assessment score at a medical school in Korea Empathy is the ability to understand and communicate a patient's situation, perspective, and feelings. When demonstrated by healthcare professionals, this can improve patient adherence, satisfaction, and treatment outcomes. Empathic students have stronger affective skills and can acquire, develop, reinforce, and display strong affective behaviors, abilities, and attitudes. We measured student empathy using the Student Version of the Jefferson Scale of Empathy (JSE-S) and assessed 3-year sequential clinical comprehensive assessment scores conducted by the Korean Medical Education Assessment Corporation to determine the relationship between JSE-S and clinical comprehensive assessment scores. The study population comprised of 80 males (74%) and 28 females (26%), among which 38 (35%) and 62 (57%) students wanted to become private physicians and attending faculty, respectively. Regarding future majors, 58 students (54%) considered medical fields, whereas 40 students (37%) considered surgical fields. No significant differences in Korean JSE-S were observed according to medical student gender, career aspirations, or future major fields. The modified Korean version of the JSE-S has 18 items. Item-total score correlations and Cronbach alpha evaluated the internal consistency reliability of the scale. The reliability of the Korean JSE-S was 0.910 by Cronbach alpha coefficient. Female students had better scores than males. Students who wanted to be an attending faculty had better scores than others who wanted to be private physicians; however, these findings were not statistically significant. Significantly higher scores were seen among students aspired to work in the medical field (65.6 +/- 8.8) versus in the surgical field (60.4 +/- 8.2) in their 5th year (P < .01). We were unable to show the positive correlations between the empathy scale and comprehensive assessment results. Among female medical students, comprehensive assessment results were inversely correlated with empathy toward the patient, but this was not statistically significant. The modified Korean JSE-S has acceptable reliability. Every student had a better comprehensive assessment after studying the medical curriculum between the 4th and 6th years. The current nationwide assessment tool does not measure student empathy. Jung, Min Kyu; Yeo, Sanghee; Lee, Won Kee Kyungpook Natl Univ, Sch Med, Dept Internal Med, Daegu, South Korea; Kyungpook Natl Univ Hosp, Dept Internal Med, Div Gastroenterol & Hepatol, Daegu, South Korea; Kyungpook Natl Univ, Ctr Med Educ, Sch Med, Daegu, South Korea; KyungPook Natl Univ, Sch Med, Dept Med Informat, Daegu, South Korea; Kyungpook Natl Univ Hosp, Med Res Collaborat Ctr, Daegu, South Korea Kim, Young/J-5414-2012 56783168100; 23391520800; 22953484700 minky1973@knu.ac.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 30 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.64 2025-06-25 3 4 empathy; medical education; educational measurement; emotional intelligence PHYSICIAN EMPATHY; JEFFERSON SCALE; PERCEPTIONS; DECLINE; GENDER educational measurement; emotional intelligence; empathy; medical education Empathy; Female; Humans; Male; Reproducibility of Results; Republic of Korea; Schools, Medical; Students, Medical; adult; article; aspiration; career; clinical assessment; controlled study; Cronbach alpha coefficient; curriculum; education; emotional intelligence; empathy; female; gender; human; internal consistency; Korea; major clinical study; male; medical education; medical school; medical student; outcome assessment; physician; reliability; satisfaction; skill; empathy; medical school; psychology; reproducibility; South Korea English 2022 2022-07-29 10.1097/md.0000000000029497 바로가기 바로가기 바로가기 바로가기
Article Diagnosis of gestational diabetes Are five rounds of blood sampling necessary? We aimed to determine the upper and lower cutoff values to simplify the diagnosis of gestational diabetes mellitus (GDM). We investigated the 50-g oral glucose tolerance test (OGTT) results from 1441 pregnancies and identified 423 gravidas who underwent the 100-g OGTT from 2011 to 2019. We collected the results of 50- and 100-g OGTTs. Moreover, we obtained the sum of the 50-g OGTT and 0-hour values, and the sum of those levels and 1-hour values. We determined the upper cutoff at 50-g OGTT, 0-, 1-hour, sum of 50-g OGTT and 0-hour results, and sum of those levels and 1-hour results for the confirmation of GDM. Also, we determined the lower cutoff at these tests for the exclusion of GDM. The upper cutoffs in 50-g OGTT, 0-, 1-hour, the sum of 50-g OGTT and 0-hour were 222, 115, 212, and 315 mg/dL, respectively. The lower cutoffs in 50-g OGTT, 0-, 1-hour, the sum of 50-g OGTT and 0-hour were 131, 65, 151, and 208 mg/dL, respectively. In addition, we discovered that the upper and lower cutoffs in the sum of 50-g OGTT, 0- and 1-hour values were >516 and <373 mg/dL, respectively. We implemented these cutoffs to our study group at 50-g OGTT and 0-, 1-hour of 100-g OGTT. It could omit 2- and 3-hour sampling in 216 gravidas (51.1%). Our approach was able to simplify GDM diagnostic steps in half of our study group. Cha, Hyun-Hwa; Lee, Won Ki; Kim, Sujeong; Kim, Hyun Mi; Kim, Mi Ju; Seong, Won Joon Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Obstet & Gynecol, 807 Hogukro, Daegu 41404, South Korea; Kyungpook Natl Univ, Sch Med, Dept Med Informat, Daegu, South Korea Kim, Mi Ju/HGU-8470-2022 37033517800; 57207141046; 57608928300; 57219838830; 55908927600; 26656946000 wjseong@knu.ac.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 10 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.16 2025-06-25 2 1 100-g oral glucose tolerance test; 50-g oral glucose tolerance test; gestational diabetes 100-g oral glucose tolerance test; 50-g oral glucose tolerance test; gestational diabetes Blood Glucose; Blood Specimen Collection; Diabetes, Gestational; Female; Glucose Tolerance Test; Humans; Phlebotomy; Pregnancy; adult; area under the curve; Article; blood sampling; diagnostic test accuracy study; female; human; major clinical study; oral glucose tolerance test; predictive value; pregnancy diabetes mellitus; retrospective study; sensitivity and specificity; blood sampling; glucose blood level; glucose tolerance test; phlebotomy; pregnancy English 2022 2022-03-11 10.1097/md.0000000000029025 바로가기 바로가기 바로가기 바로가기
Article Differences in the thalamocortical tract of the ascending reticular activating system in disorders of consciousness after hypoxic-ischemic brain injury: A pilot study This study purposed to investigate differences in the thalamocortical tract of the ascending reticular activating system between vegetative state (VS) and minimally conscious state (MCS) patients with hypoxic-ischemic brain injury (HI-BI). Fourteen patients with disorders of consciousness following HI-BI (VS group: 7 patients, MCS group: 7 patients) and 12 normal subjects were recruited. The 5 parts of reconstructed thalamocortical tract were prefrontal cortex (PFC), premotor cortex, primary motor cortex (M1), primary somatosensory cortex (S1), and posterior parietal cortex (PPC). The fractional anisotropy (FA) value and tract volume (TV) in each part of the thalamocortical tract were estimated. The FA values and TV of all parts of the thalamocortical tract in the VS group and the FA values of all parts and TV of PFC, premotor cortex, and PPC parts in the MCS group were lower than the control group (P < .05). In addition, the FA values of PFC and PPC parts were significantly lower in the VS group than the MCS group (P < .05). The results of our pilot study indicate that PFC and PPC parts of the thalamocortical tract are important areas to assess for differentiation of VS and MCS after HI-BI. Jang, Sung Ho; Choi, Eun Bi Kyungpook Natl Univ, Sch Med, Dept Obstet & Gynecol, Daegu, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Dept Obstet & Gynecol, Daegu, South Korea 57207139325; 57215576621 ceb0808@hanmail.net; MEDICINE MEDICINE 0025-7974 1536-5964 101 35 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.32 2025-06-25 2 2 diffusion tensor imaging; diffusion tensor tractography; disorders of consciousness; hypoxic-ischemic brain injury; thalamocortical tract PREFRONTAL CORTEX; VEGETATIVE STATE; RECOVERY; THALAMUS; INTRALAMINAR; CONNECTIVITY; TRACTOGRAPHY; AROUSAL; NUCLEI; AREAS diffusion tensor imaging; diffusion tensor tractography; disorders of consciousness; hypoxic-ischemic brain injury; thalamocortical tract Brain Injuries; Consciousness; Diffusion Tensor Imaging; Humans; Hypoxia-Ischemia, Brain; Persistent Vegetative State; Pilot Projects; adult; aged; Article; brain depth stimulation; clinical article; comparative study; consciousness disorder; controlled study; demographics; diffusion tensor imaging; female; fractional anisotropy; human; hypoxic ischemic encephalopathy; male; minimally conscious state; persistent vegetative state; pilot study; posterior parietal cortex; prefrontal cortex; premotor cortex; primary motor cortex; primary somatosensory cortex; thalamocortical tract; brain injury; complication; consciousness; diagnostic imaging; persistent vegetative state English 2022 2022-09-02 10.1097/md.0000000000030199 바로가기 바로가기 바로가기 바로가기
Article Does protracted chemotherapy have an influence on the clinical outcomes in advanced epithelial ovarian cancer? In epithelial ovarian cancer, first-line adjuvant chemotherapy is necessary, and patients sometimes require protraction; however, there are only a few recent studies to show its influence. In this study, we investigated whether the protraction of the total period of first-line chemotherapy has a negative influence on the survival outcomes. Of the 101 patients we recruited from February 2011 to February 2021, 70 (69.3%) and 31 (30.7%) were classified into the not protracted and protracted groups, respectively. They underwent surgery and adjuvant chemotherapy for epithelial ovarian cancer. Protraction was defined as the overall duration of the first-line chemotherapy being more than 20 days longer than intended. Number of patients who underwent additional treatments such as bevacizumab or poly(adenosine diphosphate ribose) polymerase inhibitors or pembrolizumab was compared between both groups. Kaplan-Meier survival analysis and Cox regression analysis were used for survival outcomes. There was no significant difference for additional treatments. The progression-free survival (PFS) in the total follow-up period in the protracted group was significantly shorter than that in the not protracted group (P = .037); however, the difference in the overall survival between the 2 groups was not significant (P = .223). For the PFS, the hazard ratio of protraction was 1.646 in the univariate analysis (95% confidence interval, 1.020-2.658; P = .041). Excessive protraction of chemotherapy over 20 days or more can result in significantly shorter PFS within 5 years. A better therapeutic strategy is required for patients requiring protracted first-line chemotherapy in advanced epithelial ovarian cancer. Lee, Juhun; Hong, Dae Gy Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Obstet & Gynecol, Daegu, South Korea 57360628800; 26656670100 dghong@knu.ac.kr; MEDICINE MEDICINE 0025-7974 1536-5964 101 32 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0 2025-06-25 0 0 adjuvant chemotherapy; ovarian cancer; protracted chemotherapy; survival outcomes PRIMARY DEBULKING SURGERY; CARBOPLATIN; PACLITAXEL; CRITERIA; DELAY adjuvant chemotherapy; ovarian cancer; protracted chemotherapy; survival outcomes Antineoplastic Combined Chemotherapy Protocols; Bevacizumab; Carcinoma, Ovarian Epithelial; Chemotherapy, Adjuvant; Female; Humans; Ovarian Neoplasms; bevacizumab; carboplatin; pembrolizumab; taxane derivative; antineoplastic agent; adjuvant chemotherapy; adult; advanced cancer; Article; bilateral salpingo-oophorectomy; cancer chemotherapy; cancer staging; cancer surgery; cancer survival; clinical outcome; computer assisted tomography; controlled study; cytoreductive surgery; female; follow up; human; Kaplan Meier method; lymph node dissection; major clinical study; middle aged; ovary cancer; ovary carcinoma; overall survival; progression free survival; total hysterectomy; drug therapy; etiology; ovary tumor English 2022 2022-08-12 10.1097/md.0000000000029967 바로가기 바로가기 바로가기 바로가기
Article Effect of computerized cognitive rehabilitation in comparison between young and old age after traumatic brain injury Introduction: Cognitive dysfunction reduces patients' quality of life and social participation with traumatic brain injury (TBI). Computerized cognitive rehabilitation is increasingly being used for cognitive therapy in TBI patients. The purpose of this study was to investigate the influence of age on the effect of computerized cognitive rehabilitation in cognitive dysfunction after TBI. Material and methods: A total of 34 patients with cognitive dysfunction after TBI were enrolled. Participants performed 30 sessions of computerized cognitive rehabilitation (Comcog) for 6 weeks. A cognitive evaluation was performed before and after treatment with Mini-Mental State Examination (MMSE) and Computerized Neurophyschologic Test (CNT). Results: There were no cognitive tests that differed between the young group and the old group at baseline. However, after computerized cognitive rehabilitation, the young group showed significant improvement compared to the old group in verbal memory, visual memory, attention, and visuo-motor coordination tests. The young group showed improvement in MMSE, verbal and visual memory, and visuo-motor coordination tests after computerized cognitive rehabilitation. In contrast, the old group showed significant improvement only in MMSE and visual learning test, one of the visual memory tests. Conclusion: Our findings demonstrate that age may be an important factor related to the effect of computer cognitive rehabilitation on cognitive dysfunction after TBI. Methodologically more ordered studies with larger sample sizes are needed in the future. Kim, Seong-Hun; Gwak, Dae-Won; Jeong, Jae-Gyeong; Jung, Hyunwoo; Min, Yu-Sun; Kim, Ae-Ryoung; Jung, Tae-Du Kyungpook Natl Univ Hosp, Dept Rehabil Med, Daegu, South Korea; Kyungpook Natl Univ, Dept Rehabil Med, Chilgok Hosp, 807 Hoguk Ro, Daegu 41404, South Korea; Kyungpook Natl Univ, Sch Med, Dept Rehabil Med, Daegu, South Korea 57848557900; 57212010177; 57222016696; 57222991608; 48061349800; 57196257330; 36622364500 teeed0522@hanmail.net; MEDICINE MEDICINE 0025-7974 1536-5964 101 33 SCIE MEDICINE, GENERAL & INTERNAL 2022 1.6 70.1 0.16 2025-06-25 1 1 age; cognition; cognitive dysfunction; computerized cognitive rehabilitation; traumatic brain injury LONG-TERM DISABILITY; RECOVERY TRAJECTORIES; UNITED-STATES; MODERATE; OUTCOMES; IMPACT age; cognition; cognitive dysfunction; computerized cognitive rehabilitation; traumatic brain injury Brain Injuries, Traumatic; Cognitive Dysfunction; Humans; Mental Status and Dementia Tests; Neuropsychological Tests; Quality of Life; adult; Article; attention; clinical article; cognitive defect; cognitive rehabilitation; controlled study; female; human; learning test; male; Mini Mental State Examination; motor coordination; retrospective study; senescence; traumatic brain injury; verbal memory; visual memory; cognitive defect; dementia assessment; neuropsychological test; psychology; quality of life English 2022 2022-08-19 10.1097/md.0000000000029874 바로가기 바로가기 바로가기 바로가기
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Abstract 논문의 초록(요약)입니다. 연구의 목적, 방법, 결과, 결론을 간략히 요약한 내용입니다.
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Keywords (SCOPUS) 저자가 논문에서 직접 지정한 키워드입니다. SCOPUS에 등록된 저자 키워드 목록입니다.
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Language 논문이 작성된 언어입니다. 대부분 English이며, 그 외 다양한 언어로 작성된 논문이 포함될 수 있습니다.
Publication Year 논문이 출판된 연도입니다.
Publication Date 논문의 정확한 출판 날짜입니다 (년-월-일 형식).
DOI Digital Object Identifier. 디지털 객체 식별자로, 논문을 고유하게 식별하는 영구적인 식별번호입니다. 이를 통해 논문의 온라인 위치를 찾을 수 있습니다.