Yoon-Seok Youm

ORCID: 0000-0003-2091-8065
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About
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Research Areas
  • Total Knee Arthroplasty Outcomes
  • Knee injuries and reconstruction techniques
  • Orthopaedic implants and arthroplasty
  • Shoulder Injury and Treatment
  • Lower Extremity Biomechanics and Pathologies
  • Osteoarthritis Treatment and Mechanisms
  • Sports injuries and prevention
  • Anesthesia and Pain Management
  • Orthopedic Infections and Treatments
  • Tendon Structure and Treatment
  • Musculoskeletal synovial abnormalities and treatments
  • Vascular Malformations and Hemangiomas
  • Vitamin D Research Studies
  • Adhesion, Friction, and Surface Interactions
  • Foot and Ankle Surgery
  • Winter Sports Injuries and Performance
  • Spine and Intervertebral Disc Pathology
  • Pediatric Pain Management Techniques
  • Bone fractures and treatments
  • Prosthetics and Rehabilitation Robotics
  • Spinal Dysraphism and Malformations
  • Surgical Sutures and Adhesives
  • Multiple Myeloma Research and Treatments
  • Genital Health and Disease
  • Vitamin C and Antioxidants Research

Dongguk University Ilsan Hospital
2022-2023

Myongji Hospital
2019

Hanyang University
2019

Ulsan University Hospital
2007-2018

University of Ulsan
2007-2018

Ulsan College
2007-2018

Asan Medical Center
2006

Background: Although several studies have compared a conventional transtibial technique with an anteromedial (AM) portal for single-bundle (SB) anterior cruciate ligament (ACL) reconstruction, no study to date has investigated whether the modified results in femoral tunnel being similar anatomic position and produces clinical outcomes those of AM technique. Purpose: To compare SB ACL reconstruction using (creating varus internal rotation tibia as well modification tibial orientation) Study...

10.1177/0363546514551922 article EN The American Journal of Sports Medicine 2014-09-30

Background: Osteonecrosis of the femoral head is classified into idiopathic and secondary forms.A number etiological factors in development osteonecrosis have been suggested but biological mechanisms are still unclear.Recently, some reports that apoptosis closely related to head.Therefore, this study examined expression head. Methods:Of patients diagnosed preoperatively with underwent total hip replacement arthroplasty between August 2004 July 2005, 58 (58 hips) were available for...

10.4055/cios.2010.2.4.250 article EN cc-by-nc Clinics in Orthopedic Surgery 2010-01-01

To overcome the limitation of short-term efficacy virtual reality (VR), an enhanced (ER) analgesia, (combination VR, real-time motion capture, mirror therapy [MT]) involving a high degree patients' presence or embodiment was explored. Patients, who underwent unilateral total knee arthroplasty (TKA), received ER analgesia. The duration 5 times week, for 2 weeks one group and 1 week in other. Visual Analogue Scale (VAS) at rest during movement, active range (ROM) flexion extension were...

10.1038/s41598-018-20260-0 article EN cc-by Scientific Reports 2018-01-30

To evaluate minimum 5-year follow-up clinical and radiological results of total knee arthroplasty (TKA) using a posterior cruciate ligament sacrificing (PS), non-substituting Advance Medial Pivot Knee.One hundred twenty knees in 80 patients who could be followed up for more than 5 years after TKA the PS Knee were evaluated retrospectively. The evaluations included preoperative postoperative range motion (ROM), tibiofemoral angle, Society (KS) function scores, Western Ontario McMaster...

10.5792/ksrr.2014.26.3.135 article EN cc-by Knee Surgery and Related Research 2014-09-05

Background: The origins and shapes of accessory digits in postaxial polydactyly the foot were analyzed morphologically radiographically, their characteristics determined. A simple classification method was then devised to assist determining most appropriate treatment options. Methods: We evaluated 113 feet 95 patients who had surgery for between 1998 2002. Based on morphologic, radiographic, operative findings, cases classified according origin digit: middle phalangeal, proximal floating,...

10.1177/107110070602700507 article EN Foot & Ankle International 2006-05-01

This study assessed the levels of soluble tumor necrosis factor-like weak inducer apoptosis (TWEAK) and matrix metalloproteinase 1 (MMP-1) in synovial fluid from osteoarthritic knees to determine their role as well relationship between these severity osteoarthritis (OA).Synovial was obtained 44 40 patients. The Kellgren-Lawrence (KL) grade measured using radiograph. concentration TWEAK MMP-1 by enzyme-linked immunosorbent assay. underlying inflammatory factors (erythrocyte sedimentation rate...

10.1177/2309499018760112 article EN cc-by-nc Journal of orthopaedic surgery 2018-01-01

10.1007/s00167-010-1166-5 article EN Knee Surgery Sports Traumatology Arthroscopy 2010-06-15

The purpose was to analyze the relationship between posterior tibial slope (PTS) and mucoid degeneration of anterior cruciate ligament (ACL) in patients with total knee arthroplasty.Four hundred twenty-four (24 males 400 females; 636 knees) who received arthroplasty for osteoarthritis were included. Their mean age 68.9 years (range, 48 88 years). classified into three groups according status ACL; normal ACL group (group I), II) ruptured or absent III). Plain lateral radiographs used measure...

10.5792/ksrr.2016.28.1.34 article EN cc-by Knee Surgery and Related Research 2016-03-04

To investigate the patterns of medial meniscus (MM) tears in patients with varus knee osteoarthritis who underwent total arthroplasty and analyze factors that could affect MM tears.The (365 knees, 268 patients) were classified into three groups; group I posterior horn (PH) tear only; II root III MMPH plus tear. The following evaluated: age, gender, body mass index, deviation mechanical axis, proximal tibial angle, slope (PTS), anterior cruciate ligament (ACL) integrity (normal, degeneration,...

10.5792/ksrr.2016.28.2.142 article EN cc-by Knee Surgery and Related Research 2016-06-03

Unlike meniscal tears and chondral defects, the mucoid degeneration of anterior cruciate ligament (ACL) is a rare cause knee pain there have been no case reports both ACL posterior (PCL). A 48-year-old-male patient presented with limitation motion. The patient's magnetic resonance imaging, arthroscopic findings, pathologic diagnosis confirmed clinical PCL. symptoms disappeared after partial excision

10.4055/cios.2012.4.2.167 article EN cc-by-nc Clinics in Orthopedic Surgery 2012-01-01

Previous studies support the important role of vascular endothelial growth factor (VEGF) and syndecan-4 in pathogenesis osteoarthritis (OA). Both VEGF are expressed by chondrocytes both involved regulation matrix metalloproteinase-3, resulting activation aggrecanase II (ADAMTS-5), which is essential OA. However, relationship between has not been established. As a pilot study, we assayed expression cartilage samples cultured from osteoarthritic knee joints analysed these two factors....

10.1302/0301-620x.96b10.33812 article EN The Bone & Joint Journal 2014-10-01

Purpose : To assess the causes of revision total knee arthroplasty (TKA). Materials and Methods The 90 arthroplasties were analyzed in 84 patients between December 1996 June 2006. patients’ history, medical records radiographs reviewed order to detect main cause failure primary TKA. Results TKA are as follows: 34 infections (37.8%), 26 loosenings (28.9%), 17 polyethylene wears or breakages (18.9%), 5 stiffness (5.6%), 4 dislocations (4.4%), 2 patellar (2.2%), 1 component instability (1.1%)....

10.4055/jkoa.2007.42.2.216 article EN The Journal of the Korean Orthopaedic Association 2007-01-01

We aimed to evaluate the effect of vitamin D levels on functional outcome elderly women who underwent total knee arthroplasty (TKA).Seven hundred and four patients (1013 knees) primary TKA were included in our retrospective study. Preoperative measured relationship analyzed between these age, weight, height, body mass index, bone mineral density. Two twenty (220 received unilateral followed up for more than 1 year after operation divided into two groups: Group 1, serum 25-hydroxyvitamin D3...

10.1186/s43019-020-00050-7 article EN cc-by Knee Surgery and Related Research 2020-06-11

Other SectionsAbstractIntroductionMaterials and MethodsResultsDiscussionConclusionsFiguresTablesReferences

10.5792/ksrr.2011.23.3.149 article EN cc-by Knee Surgery and Related Research 2011-09-30
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