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Zhang M, Wang H, Dai GC, Lu PP, Gao YC, Cao MM, Li YJ, Rui YF. Injectable self-assembled GDF5-containing dipeptide hydrogels for enhanced tendon repair. Mater Today Bio 2024; 26:101046. [PMID: 38600922 PMCID: PMC11004210 DOI: 10.1016/j.mtbio.2024.101046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
Owing to the tissue characteristics of tendons with few blood vessels and cells, the regeneration and repair of injured tendons can present a considerable challenge, which considerably affects the motor function of limbs and leads to serious physical and mental pain, along with an economic burden on patients. Herein, we designed and fabricated a dipeptide hydrogel (DPH) using polypeptides P11-4 and P11-8. This hydrogel exhibited self-assembly characteristics and could be administered in vitro. To endow the hydrogel with differentiation and regeneration abilities, we added different concentrations of growth differentiation factor 5 (GDF5) to form GDF5@DPH. GDF5@DPH promoted the aggregation and differentiation of tendon stem/progenitor cells and promoted the regeneration and repair of tendon cells and collagen fibers in injured areas. In addition, GDF5@DPH inhibited inflammatory reactions in the injured area. Owing to its injectable properties, DPH can jointly inhibit adhesion and scar hyperplasia between tissues caused by endogenous inflammation and exogenous surgery and can provide a favorable internal environment for the regeneration and repair of the injured area. Overall, the GDF5@DPH system exhibits considerable promise as a novel approach to treating tendon injury.
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Affiliation(s)
- Ming Zhang
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Hao Wang
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Guan-Chun Dai
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Pan-Pan Lu
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Yu-Cheng Gao
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Mu-Ming Cao
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Ying-Juan Li
- Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Yun-Feng Rui
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
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Hoeffner R, Agergaard AS, Svensson RB, Cullum C, Mikkelsen RK, Konradsen L, Krogsgaard M, Boesen M, Kjaer M, Magnusson SP. Tendon Elongation and Function After Delayed or Standard Loading of Surgically Repaired Achilles Tendon Ruptures: A Randomized Controlled Trial. Am J Sports Med 2024; 52:1022-1031. [PMID: 38353060 DOI: 10.1177/03635465241227178] [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] [Indexed: 03/17/2024]
Abstract
BACKGROUND Achilles tendon ruptures often result in long-term functional deficits despite accelerated (standard) rehabilitation. PURPOSE/HYPOTHESIS The purpose of this study was to investigate if delayed loading would influence functional, clinical, and structural outcomes of the muscles and tendon 1 year after a surgical repair. It was hypothesized that delaying the loading would reduce the heel-rise height deficit 1 year after Achilles tendon rupture. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS In total, 48 patients with a surgically repaired Achilles tendon rupture were randomized to 2 groups: the standard group received the currently accepted rehabilitation, and the delayed group received the same rehabilitation except that initial loading was delayed by 6 weeks. The primary outcome was the heel-rise height difference between the injured and uninjured sides at 1 year. The secondary outcomes were (1) tendon length measured with magnetic resonance imaging, (2) muscle fascicle length and pennation angle of the gastrocnemius medialis muscle, (3) Doppler activity measured with ultrasonography, (4) Achilles tendon Total Rupture Score (ATRS), and (5) isometric muscle strength. RESULTS The mean heel-rise height deficits for the standard and delayed groups were -2.2 cm and -2.1 cm, respectively (P = .719). The soleus part of the tendon was already elongated 1 week after surgery in both groups without a between-group difference (side-to-side difference: standard, 16.3 mm; delayed, 17.5 mm; P = .997) and did not change over 52 weeks. The gastrocnemius tendon length was unchanged at 1 week but elongated over time without a between-group difference (side-to-side difference at 52 weeks: standard, 10.5 mm; delayed, 13.0 mm; P = .899). The delayed group had less Doppler activity at 12 weeks (P = .006) and a better ATRS (standard, 60 points; delayed, 72 points; P = .032) at 52 weeks. CONCLUSION Delayed loading was not superior to standard loading in reducing the heel-rise height difference at 1 year. The data indirectly suggested reduced inflammation in the initial months and a better patient-reported outcome at 1 year in the delayed group. The soleus part of the tendon was already markedly elongated (35%) 1 week after surgery, while the length of the gastrocnemius tendon was unchanged at 1 week but was 6% elongated at 1 year. Together, these data indirectly suggest that the delayed group fared better, although this finding needs to be confirmed in future investigations. REGISTRATION NCT04263493 (ClinicalTrials.gov identifier).
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Affiliation(s)
- Rikke Hoeffner
- Institute of Sports Medicine Copenhagen, Department of Orthopaedic Surgery, University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Physical and Occupational Therapy, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Anne-Sofie Agergaard
- Institute of Sports Medicine Copenhagen, Department of Orthopaedic Surgery, University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Physical and Occupational Therapy, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Rene B Svensson
- Institute of Sports Medicine Copenhagen, Department of Orthopaedic Surgery, University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Camilla Cullum
- Department of Physical and Occupational Therapy, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Rasmus Kramer Mikkelsen
- Section for Sports Traumatology, Department of Orthopedic Surgery, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Lars Konradsen
- Section for Sports Traumatology, Department of Orthopedic Surgery, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Michael Krogsgaard
- Section for Sports Traumatology, Department of Orthopedic Surgery, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Mikael Boesen
- Department of Radiology, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
| | - Michael Kjaer
- Institute of Sports Medicine Copenhagen, Department of Orthopaedic Surgery, University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - S Peter Magnusson
- Institute of Sports Medicine Copenhagen, Department of Orthopaedic Surgery, University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Physical and Occupational Therapy, University Hospital Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
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Sukanen M, Khair RM, Ihalainen JK, Laatikainen-Raussi I, Eon P, Nordez A, Finni T. Achilles tendon and triceps surae muscle properties in athletes. Eur J Appl Physiol 2024; 124:633-647. [PMID: 37950761 PMCID: PMC10858159 DOI: 10.1007/s00421-023-05348-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/23/2023] [Indexed: 11/13/2023]
Abstract
PURPOSE The aim of this study was to investigate internal Achilles tendon (AT) displacement, AT shear wave velocity (SWV), and triceps surae (TS) muscle shear modulus in athletes. METHODS Internal AT displacement was assessed using ultrasound during isometric contraction. Shear wave elastography was used to assess AT SWV (m × s-1) at rest and TS muscle shear modulus (kPa) during passive ankle dorsiflexion. RESULTS A total of 131 athletes participated in this study. Athletes who had not exercised within two days had greater AT non-uniformity and mean anterior tendon displacement, and lower SWV at the proximal AT measurement site (mean difference [95% CI]: 1.8 mm [0.6-2.9], p = 0.003; 1.6 mm [0.2-2.9], p = 0.021; - 0.9 m × s-1 [- 1.6 to - 0.2], p = 0.014, respectively). Male basketball players had a lower mean AT displacement compared to gymnasts (- 3.7 mm [- 6.9 to - 0.5], p = 0.042), with the difference localised in the anterior half of the tendon (- 5.1 mm [- 9.0 to - 1.1], p = 0.022). Male gymnasts had a smaller absolute difference in medial gastrocnemius-minus-soleus shear modulus than basketball players (59.6 kPa [29.0-90.2], p < 0.001) and track and field athletes (52.7 kPa [19.2-86.3], p = 0.004). Intraclass correlation coefficients of measurements ranged from 0.720 to 0.937 for internal AT displacement, from 0.696 to 0.936 for AT SWE, and from 0.570 to 0.890 for TS muscles. CONCLUSION This study provides a reliability assessment of muscle and tendon SWV. The relative differences in passive TS muscle shear modulus suggest sport-specific adaptation. Importantly, in healthy individuals, lower AT displacement after exercise may reflect the time required for tendon recovery.
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Affiliation(s)
- Maria Sukanen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland.
| | - Ra'ad M Khair
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Johanna K Ihalainen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | | | - Pauline Eon
- Nantes Université, Movement-Interactions-Performance, MIP, UR 4334, F-44000, Nantes, France
| | - Antoine Nordez
- Nantes Université, Movement-Interactions-Performance, MIP, UR 4334, F-44000, Nantes, France
- Institut Universitaire de France, Paris, France
| | - Taija Finni
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
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Arbab D, Lichte P, Gutteck N, Bouillon B, Arbab D. Reliability and validation of the German Achilles tendon Total Rupture Score. Knee Surg Sports Traumatol Arthrosc 2024; 32:454-460. [PMID: 38270292 DOI: 10.1002/ksa.12059] [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: 10/11/2023] [Revised: 12/21/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024]
Abstract
PURPOSE Patient-related outcome measures (PROMs) are important instruments to evaluate efficacy of orthopaedic procedures. The Achilles tendon Total Rupture Score (ATRS) is a PROM developed to evaluate outcomes after treatment of Achilles tendon ruptures (ATRs). Purpose of this study is to develop and culturally adapt the German version of the ATRS and to evaluate reliability and validity. METHODS The ATRS was translated by forward-backward translation based on common guidelines. In this retrospective study, 48 patients with a surgical intervention after ATR were recruited. Reliability was evaluated by intraclass correlation coefficient (ICC) and Cronbach's alpha. Construct validity was valued by determining Pearson correlation coefficient with the German version of the Foot and Ankle Outcome Score (FAOS) and the Victorian Institute of Sports Assessment-Achilles questionnaire (VISA-A). RESULTS The German Version of the ATRS has an excellent internal consistency (Cronbach's alpha 0.96) as well as an excellent test-retest-reliability (ICC 0.98). It has a moderately strong correlation with the VISA-A (r = 0.73) as well as with the FAOS subclasses (r = 0.6-0.79). CONCLUSION The German version of the ATRS demonstrated good psychometric properties. It proofed to be a valid and reliable instrument for use in patients with Achilles tendon Rupture. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Dorothe Arbab
- Department of Orthopaedic and Trauma Surgery, Aachen University Hospital, Aachen, Germany
| | - Philip Lichte
- Department of Orthopaedic and Trauma Surgery, Aachen University Hospital, Aachen, Germany
| | - Natalia Gutteck
- Department of Orthopedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, Halle, Germany
| | - Bertil Bouillon
- Department of Traumatology and Orthopedic Surgery, Cologne-Merheim Medical Center (CMMC), University of Witten/Herdecke, Cologne, Germany
| | - Dariusch Arbab
- Department of Orthopedic and Trauma Surgery, St. Elisabeth-Hospital Herten, Member Faculty of Health Witten/Herdecke University, Herten, Germany
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Yang S, Shi W, Yan W, Ao Y, Guo Q, Yang Y. Comparison between primary repair and augmented repair with gastrocnemius turn-down flap for acute Achilles tendon rupture: a retrospective study with minimum 2-year follow-up. BMC Musculoskelet Disord 2023; 24:163. [PMID: 36871017 PMCID: PMC9985193 DOI: 10.1186/s12891-023-06260-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/21/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND To explore and compare the clinical outcomes in patients undergoing primary repair versus augmented repair with a gastrocnemius turn-down flap for acute Achilles tendon rupture. METHODS From 2012 to 2018, the clinical data of 113 patients with acute Achilles tendon rupture who were treated with primary repair or augmented repair with a gastrocnemius turn-down flap by the same surgeon were retrospectively reviewed. The patients' preoperative and postoperative scores on the visual analog scale (VAS), American Orthopaedic Foot and Ankle Society Ankle⁃Hindfoot (AOFAS) score, the Victorian Institute of Sport Assessment⁃Achilles (VISA-A), the Achilles tendon total rupture score (ATRS), and the Tegner Activity Scale were examined and compared. The postoperative calf circumference was measured. A Biodex isokinetic dynamometer was used to evaluate the plantarflexion strength on both sides. The time to return to life and exercise as well as the strength deficits in both groups were recorded. Finally, the correlation analyses between patient characteristics and treatment details with clinical outcomes were conducted. RESULTS In total, 68 patients were included and completed the follow-up. The 42 and 26 patients who were treated with primary repair and augmented repair were assigned to group A and B, respectively. No serious postoperative complications were reported. No significant between-group differences in any outcomes were observed. It was found that female sex was correlated with poorer VISA-A score (P = 0.009), complete seal of paratenon was correlated with higher AOFAS score (P = 0.031), and short leg cast was correlated with higher ATRS score (P = 0.006). CONCLUSIONS Augmented repair with a gastrocnemius turn-down flap provided no advantage over primary repair for the treatment of acute Achilles tendon rupture. After surgical treatment, females tended to had poorer outcomes, while complete seal of paratenon and short leg cast contributed to better results. LEVEL OF EVIDENCE Cohort study; Level of evidence, 3.
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Affiliation(s)
- Shuai Yang
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China
| | - Weili Shi
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China
| | - Wenqiang Yan
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China
| | - Yingfang Ao
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China
| | - Qinwei Guo
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China.
| | - Yuping Yang
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, 49 North Garden Road, Beijing, Haidian District, 100191, China.
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Suphinnapong P, Teeranon N, Teerakidpisan S, Tansuthunluck S, Apinun J. Validity and reliability of the Thai version of the Achilles tendon total rupture score. Knee Surg Sports Traumatol Arthrosc 2023; 31:2228-2235. [PMID: 36651942 DOI: 10.1007/s00167-023-07319-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/09/2023] [Indexed: 01/19/2023]
Abstract
PURPOSE The purpose of this study was to translate and cross-culturally adapt the Achilles Tendon Total Rupture Score (ATRS), a patient-reported outcome measurement (PROM) designed specifically to assess outcomes in patients with Achilles tendon rupture, into the Thai language and then determine its validity and reliability. METHODS The ATRS was translated into the Thai version (Thai-ATRS) according to internationally recognized guidelines. The study included 50 patients with Achilles tendon rupture from 2003 to 2017. The web-based online assessments were conducted two weeks apart. Construction validity was determined by assessing the correlation between the Thai-ATRS and the Thai version of the Foot and Ankle Outcome Score (Thai-FAOS). Reliability was determined with Cronbach's alpha and intraclass correlation coefficients (ICC). RESULTS The validity test displayed a strong correlation between the Thai-ATRS and the Thai-FAOS (r = 0.87). The reliability test showed good internal consistency with a Cronbach's alpha of 0.95 and excellent internal consistency with an ICC of 0.95, which represented excellent test-retest reliability. The MDC was 10.7 at the individual level and 1.5 at the group level. CONCLUSION The Thai-ATRS was demonstrated to be valid and reliable for assessing functional outcomes in Thai patients with Achilles tendon rupture. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Pawichaya Suphinnapong
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, 1873 Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Niphon Teeranon
- Rehabilitation Center, Siriraj-Piyamaharajkarun Hospital, Bangkok, Thailand
| | | | | | - Jirun Apinun
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, 1873 Rama IV Road, Pathumwan, Bangkok, 10330, Thailand.
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