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Hysing‐Dahl T, Inderhaug E. Rehabilitation after surgery for patellar instability. J Exp Orthop 2024; 11:e12062. [PMID: 38887658 PMCID: PMC11180699 DOI: 10.1002/jeo2.12062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 03/23/2024] [Accepted: 04/22/2024] [Indexed: 06/20/2024] Open
Affiliation(s)
- Trine Hysing‐Dahl
- Department of SurgeryHaraldsplass Deaconess HospitalBergenNorway
- Department of Clinical MedicineUniversity of BergenBergenNorway
| | - Eivind Inderhaug
- Department of SurgeryHaraldsplass Deaconess HospitalBergenNorway
- Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of Orthopaedic SurgeryHaukeland University HospitalBergenNorway
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Moore M, Vargas L, Hanidu I, Zverev S, Bi A, Triana J, Gonzalez Lomas G, Jazrawi L, Strauss E, Campbell KA. Immune Hypersensitivity Is Associated With Higher Graft Failure Rate After Osteochondral Allograft Transplantation of the Knee. Arthrosc Sports Med Rehabil 2024; 6:100933. [PMID: 39006793 PMCID: PMC11240029 DOI: 10.1016/j.asmr.2024.100933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 03/24/2024] [Indexed: 07/16/2024] Open
Abstract
Purpose To analyze the effects of 1 or more patient-reported allergies on clinical outcomes, in particular graft failure rate, and patient-reported outcomes (PROs) following osteochondral allograft transplantation (OCA) of the knee. Methods Retrospective review of patients who underwent knee OCA from August 2010 to May 2021 with a minimum of 2-year follow-up. Patients were initially divided into 2 cohorts: those with at least 1 allergy and those without any allergies. Clinical outcomes assessed included graft failure, reoperation rates, deep vein thrombosis/pulmonary embolism, and manipulation under anesthesia/lysis of adhesions (MUA/LOA). PROs assessed, including the visual analog scale (VAS) for pain and satisfaction, the Knee injury and Osteoarthritis Outcome Score (KOOS), and return to sport rates, were compared. Results In total, 285 patients were included with a mean clinical follow-up of 4.8 ± 2.0 years. The allergy cohort had a significantly higher rate of graft failure (P = .008). In a regression analysis controlling for confounding variables, graft failure remained significantly associated with the presence of medication allergies (odds ratio [OR], 3.631; 95% CI, 1.139-11.577; P = .029). Furthermore, an increasing number of allergies were associated with an increased rate of graft failure (OR, 1.644; 95% CI, 1.074-2.515; P = .022). There was no difference in rate of reoperation, complications, infection, and MUA/LOA. Of the 100 patients who completed PROs, there was no difference in VAS satisfaction, pain, and any of the KOOS outcome scores or return to sport. Conclusions The presence of 1 or more patient-reported allergies was shown to be significantly associated with OCA graft failure. Furthermore, an increasing number of patient-reported allergies were associated with a higher rate of graft failure. However, there were no significant differences in VAS satisfaction or pain, KOOS symptom, quality of life, pain, or return to sport in patients with at least 1 patient-reported allergy and those without allergies. Level of Evidence Level III, retrospective cohort study.
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Affiliation(s)
- Michael Moore
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Luilly Vargas
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Idris Hanidu
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Samuel Zverev
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Andrew Bi
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Jairo Triana
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Guillem Gonzalez Lomas
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Laith Jazrawi
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Eric Strauss
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
| | - Kirk A. Campbell
- Division of Sports Medicine, Department of Orthopedic Surgery, NYU Langone Health, New York, New York, U.S.A
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Morgan AM, Li ZI, Garra S, Bi AS, Gonzalez-Lomas G, Jazrawi LM, Campbell KA. Patient-reported allergies are associated with increased rate of postoperative stiffness after arthroscopic rotator cuff repair. J Shoulder Elbow Surg 2024; 33:1050-1057. [PMID: 37839628 DOI: 10.1016/j.jse.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/29/2023] [Accepted: 09/03/2023] [Indexed: 10/17/2023]
Abstract
BACKGROUND Several risk factors have been identified for the development of postoperative shoulder stiffness, and there has been increasing interest in orthopedic literature regarding patient-reported allergy (PRA) as an identifiable risk factor for adverse outcomes. The purpose of this study is to determine whether PRAs are associated with subsequent rates of diagnosis of adhesive capsulitis (AC) or return to the operating room for postoperative shoulder stiffness within 2 years after arthroscopic rotator cuff repair (ARCR). METHODS Current Procedural Terminology surgical billing codes were used to retrospectively identify patients who underwent ARCR at a single urban academic institution from January 2012 to December 2020 with minimum 2-year follow-up. Lysis of adhesions (LOA), manipulation under anesthesia (MUA), and AC of the shoulder were further queried within 2 years postoperatively for the ipsilateral shoulder. Patients were excluded if they had undergone ipsilateral MUA/LOA or received a diagnosis of AC before the index procedure. Demographic characteristics and medical comorbidities (hypertension, diabetes, hyperlipidemia, and hypothyroidism) were extracted from electronic medical records. Baseline characteristics were compared between patients with and without PRAs. Multivariate logistic regression analyses were performed to determine the association of the presence of PRAs overall, as well as the presence of 1, 2, or 3 or more PRAs, with subsequent MUA/LOA or diagnosis of AC within 2 years postoperatively. RESULTS Of 7057 patients identified in the study period, 6583 were eligible for the final analysis. The mean age was 56.6 ± 11.7 years, and the mean body mass index was 29.1 ± 5.6. Overall, 19.3% of patients (n = 1271) reported at least 1 allergy, and 7.1% (n = 469) had >1 PRA. A total of 44 patients (0.7%) underwent subsequent ipsilateral MUA/LOA within 2 years postoperatively, whereas 93 patients (1.4%) received a diagnosis of ipsilateral AC in the same time frame. PRAs were significantly associated with subsequent diagnosis of AC (odds ratio [OR]: 2.39; 95% confidence interval [CI]: 1.45-3.92; P < .001), but not MUA/LOA (OR: 1.97, 95% CI: 1.26-3.61; P = .133). Patients with 2 PRAs had greater odds of being diagnosed with AC than patients with 1 PRA (OR: 2.74; 95% CI: 1.14-5.99; P = .012). Although this association was nonsignificant for MUA/LOA, patients with 2 PRAs (OR: 2.67; 95% CI: 0.96-8.80; P = .059) demonstrated a similar statistical trend. CONCLUSION PRAs are associated with increased odds of receiving a diagnosis of AC within 2 years after ARCR but were not found to be associated with return to the operating room for postoperative stiffness.
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Affiliation(s)
- Allison M Morgan
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA.
| | - Zachary I Li
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Sharif Garra
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Andrew S Bi
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | | | - Laith M Jazrawi
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Kirk A Campbell
- Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
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Lipschultz RA, Moore M, Montgomery SR, Wolfe I, Strauss E. Patients with higher numbers of allergies have lower levels of anti-inflammatory cytokines and increased pain at the time of ACL reconstruction. Knee 2024; 47:27-34. [PMID: 38176348 DOI: 10.1016/j.knee.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND Synovial fluid biomarkers are well studied indicators of inflammation and healing in the setting of orthopedic injuries. However, it has not been studied if patients with one or more allergies have a difference in the concentrations of synovial fluid inflammatory cytokines compared to patients without allergies. The purpose of the current study is to analyze the concentration of 10 pro- and anti-inflammatory cytokines in the synovial fluid of isolated ACL injury patients with and without at least one allergy. STUDY DESIGN Retrospective Case-Control. METHODS A database of patients who underwent surgery for isolated ACL injury between September 2011 and July 2023 was analyzed. All patients had SF aspirated from the operative knee prior to the surgical incision and the concentrations of pre- and anti-inflammatory biomarkers were quantified. From this cohort, 24 patients were identified to have allergies by chart review. These patients were matched 1:1 to 24 patients without allergies based on age and sex. RESULTS There were no significant differences between the allergy and no allergy cohorts with respect to age (28.5 ± 10.3 vs. 29.5 ± 8.9, p = 0.76) and sex (70.8 % female vs. 70.8 % female, p = 1.00). The allergy cohort had a decreased concentration of TIMP-1 (492.41 ± 616.20 ng/mL vs. 1041.48 ± 942.04 ng/mL, p = 0.03) and IL-1Ra (101.70 ± 93.37 pg/mL vs. 359.94 ± 399.77 pg/mL, p = 0.01) compared to patients without allergies. A linear regression analysis found a significant association between increasing number of patients reported allergies and decreasing concentration of TIMP-1 (β = -231.59, p = 0.03) and IL-1Ra (β = -71.69p = 0.03) concentrations when controlling for age and sex. Finally, the allergy cohort was found to have a significantly higher value for the VAS pain scale at the time of surgery (26.84 ± 24.73 vs. 7.37 ± 10.98, p < 0.01) compared to those without an allergy. CONCLUSION Patients undergoing ACL reconstruction with at least one allergy were found to have decreased concentrations of the anti-inflammatory cytokines TIMP-1 and IL-1Ra in their synovial fluid compared to those without allergies on the day of surgery. Furthermore, an increase in total number of allergies was found to be an associated with a decrease in TIMP-1 and IL-1Ra levels. Finally, the allergy cohort also had a higher value for the VAS pain scale at the time of surgery, implicating the role of a patient's innate immune system to their biologic and symptomatic response to injury.
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Affiliation(s)
- Robyn A Lipschultz
- NYU Langone Orthopedic Hospital, NYU Langone Health, New York, New York, United States
| | - Michael Moore
- NYU Langone Orthopedic Hospital, NYU Langone Health, New York, New York, United States.
| | - Samuel R Montgomery
- NYU Langone Orthopedic Hospital, NYU Langone Health, New York, New York, United States
| | - Isabel Wolfe
- NYU Langone Orthopedic Hospital, NYU Langone Health, New York, New York, United States
| | - Eric Strauss
- NYU Langone Orthopedic Hospital, NYU Langone Health, New York, New York, United States
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Li ZI, Garra S, Eskenazi J, Montgomery SR, Triana J, Hughes AJ, Alaia MJ, Strauss EJ, Jazrawi LM, Campbell KA. Patients who undergo tibial tubercle anteromedialization with medial patellofemoral ligament reconstruction demonstrate similar rates of return to sport compared to isolated MPFL reconstruction. Knee Surg Sports Traumatol Arthrosc 2024; 32:371-380. [PMID: 38270287 DOI: 10.1002/ksa.12051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/02/2024] [Indexed: 01/26/2024]
Abstract
PURPOSE To investigate the rate of return to sports and sport psychological readiness between patients who underwent isolated MPFLR (iMPFLR) compared to a matched cohort of patients who underwent MPFLR with anteromedializing tibial tubercle osteotomy (MPFLR/TTO). METHODS Patients who underwent primary MPFLR with or without TTO for recurrent patellar instability were retrospectively reviewed from 2012 to 2020 at a single institution. Preinjury sport and work information, Kujala, Tegner, Visual Analogue Score for pain, satisfaction and MPFL-Return to Sport after Injury (MPFL-RSI) score were collected. Two readers independently measured the tibial tuberosity-trochlear groove distance, Caton-Deschamps index and Dejour classification for trochlear dysplasia. Patients in iMPFLR and MPFLR/TTO groups were matched 1:1 on age, sex, body mass index and follow-up length. Multivariate regression analysis was performed to determine whether the MPFL-RSI was associated with a return to sport. RESULTS This study included 74 patients at mean follow-up of 52.5 months (range: 24-117). These groups returned to sport at similar rates (iMPFLR: 67.6%, MPFLR/TTO: 73.0%, not significant [ns]), though iMPFLR patients returned more quickly (8.4 vs. 12.8 months, p = 0.019). Rates of return to preinjury sport level were also similar (45.9% vs. 40.5%, ns). Patients with Dejour B/C took more time to return to sport compared to patients with mild/no trochlear pathology (13.8 vs. 7.9 months, p = 0.003). Increasing MPFL-RSI score was significantly predictive of the overall return to sport (odds ratio [OR]: 1.08, 95% confidence interval [CI] [1.03, 1.13], p < 0.001) and return to preinjury level (OR: 1.07, 95% CI [1.04, 1.13], p < 0.001). Most patients in iMPFLR and MPFLR/TTO groups resumed work (95.7% vs. 88.5%, ns), though iMPFLR patients who returned to preinjury work levels did so more quickly (1.7 vs. 4.6 months, p = 0.005). CONCLUSION Patients who underwent MPFLR with anteromedializing TTO demonstrated similar rates of return to sport and psychological readiness compared to an isolated MPFLR matched comparison group, though iMPFLRs returned more quickly. Patients with more severe trochlear pathology required more time to return to sports. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Zachary I Li
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Sharif Garra
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
- Division of Orthopedic Surgery, Tel-Hashomer "Sheba" Medical Center, Tel-Aviv University, Ramat Gan, Israel
| | - Jordan Eskenazi
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Samuel R Montgomery
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Jairo Triana
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Andrew J Hughes
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Michael J Alaia
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Eric J Strauss
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Laith M Jazrawi
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
| | - Kirk A Campbell
- Department of Orthopedic Surgery, New York University Langone Health, New York, New York, USA
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Li ZI, Triana J, Lott A, Rao N, Jazrawi T, Montgomery SR, Buldo-Licciardi M, Alaia MJ, Strauss EJ, Jazrawi LM, Campbell KA. Patients who undergo bilateral medial patellofemoral ligament reconstruction return to sport at a similar rate as those that undergo unilateral reconstruction. Knee Surg Sports Traumatol Arthrosc 2023; 31:4195-4203. [PMID: 37219546 DOI: 10.1007/s00167-023-07462-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023]
Abstract
PURPOSE Lateral patellar instability is a debilitating condition not only to athletes, but also to a wide range of highly active individuals. Many of these patients experience symptoms bilaterally, though it is unknown how these patients fair with return to sports following a second medial patellofemoral ligament reconstruction (MPFLR). The purpose of this study is to evaluate the rate of return to sport following bilateral MPFLR compared to a unilateral comparison group. METHODS Patients who underwent primary MPFLR with minimum 2-year follow-up were identified from 2014 to 2020 at an academic center. Those who underwent primary MPFLR of bilateral knees were identified. Pre-injury sport participation and Tegner score, Kujala score, Visual Analog Score (VAS) for pain, satisfaction, and MPFL-Return to Sport after Injury (MPFL-RSI) scale were collected. Bilateral and unilateral MPFLRs were matched in a 1:2 ratio based on age, sex, body mass index, and concomitant tibial tubercle osteotomy (TTO). A sub-analysis was performed regarding concomitant TTO. RESULTS The final cohort consisted of 63 patients, including 21 patients who underwent bilateral MPFLR, matched to 42 unilateral patients at mean follow-up of 47 ± 27 months. Patients who underwent bilateral MPFLR returned to sport at a rate of 62% at a mean of 6.0 ± 2.3 months, compared to a unilateral rate of 72% at 8.1 ± 4.2 months (n.s.). The rate of return to pre-injury level was 43% among bilateral patients and 38% in the unilateral cohort. There were no significant differences in VAS pain, Kujala, current Tegner, satisfaction, and MPFL-RSI scores between cohorts. Approximately half of those (47%) who failed to return to sport cited psychological factors and had significantly lower MPFL-RSI scores (36.6 vs 74.2, p = 0.001). CONCLUSION Patients who underwent bilateral MPFLR returned to sports at a similar rate and level compared to a unilateral comparison group. MPFL-RSI was found to be significantly associated with return to sport. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Zachary I Li
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA.
| | - Jairo Triana
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Ariana Lott
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Naina Rao
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Taylor Jazrawi
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Samuel R Montgomery
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Michael Buldo-Licciardi
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Michael J Alaia
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Eric J Strauss
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Laith M Jazrawi
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
| | - Kirk A Campbell
- Department of Orthopedic Surgery, New York University Langone Health, 333 East 38th St, New York, NY, 10016, USA
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Park SH, Choi W, Yoon S, Rhie J, Ahn W, Oh J, Han DH, Lee S. Reliability of the TT-TG Index Versus TT-TG Distance on MRI: Morphometric Analyses in Asian Children and Adolescents. Orthop J Sports Med 2023; 11:23259671221145228. [PMID: 37378281 PMCID: PMC10291415 DOI: 10.1177/23259671221145228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 09/26/2022] [Indexed: 06/29/2023] Open
Abstract
Background The tibial tuberosity-trochlear groove (TT-TG) distance measured on magnetic resonance imaging (MRI) is commonly used to decide the treatment for patellar instability; however, the patient's joint size is not considered in this measurement. The TT-TG index has been proposed as a knee size-adjusted measurement for tibial tuberosity location. Purpose To evaluate the reliability of the TT-TG index compared with the TT-TG distance by analyzing variations in measurement according to age and sex in a pediatric Asian population. Study Design Cohort study (diagnosis); Level of evidence, 3. Methods A total of 698 knee MRI scans were collected in patients between 4 and 18 years of age who did not have any patellofemoral problems. Patient age, sex, height, and weight were recorded. The scans were divided into 5 groups according to patient age (4-6 years, 46 scans; 7-9 years, 56 scans; 10-12 years, 122 scans; 13-15 years, 185 scans; and 16-18 years, 289 scans); MRI scans were also divided by sex (497 male, 201 female). Three independent observers measured the TT-TG distance and TT-TG index on each scan, and age- and sex-based differences in the measurements were evaluated after adjusting for body mass index (BMI). The reliability of the measurements was calculated with the intraclass correlation coefficient (ICC). Results Good to excellent inter- and intraobserver agreement was found for TT-TG distance (ICC, 0.74) and TT-TG index (ICC, 0.88). The TT-TG distance was significantly different among the groups and increased with age, while variations in the TT-TG index were minimal between age groups and sexes. This finding was also consistent after compensating for the effect of BMI. Conclusion The TT-TG distance changed with age, while the TT-TG index was relatively constant. Therefore, the TT-TG index may be more reliable and effective for diagnosing and planning treatment, especially in children and adolescents.
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Affiliation(s)
- Sin Hyung Park
- Department of Orthopaedic Surgery, Bucheon Hospital, Soonchunhyang University School of Medicine, Bucheon-si, Gyeonggi-do, Republic of Korea
| | - Wonchul Choi
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Siyeong Yoon
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jeongbae Rhie
- Department of Occupational and Environmental Medicine, Dankook University College of Medicine, Cheonan-si, Chungcheongnam-do, Republic of Korea
| | - Wooyeol Ahn
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jongbeom Oh
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Dong Hun Han
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Soonchul Lee
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Republic of Korea
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