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Shen Z, Ye X, He Y, Shen G, Xu K, Zhang B, Wu L. Arthroscopic rotator cuff repair combined with platelet-rich plasma products can reduce the rate of retearing and improve clinical outcomes: A meta-analysis of randomized controlled trials. Medicine (Baltimore) 2024; 103:e38069. [PMID: 38701265 PMCID: PMC11062711 DOI: 10.1097/md.0000000000038069] [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: 12/27/2023] [Accepted: 04/10/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND Although several studies on the potential benefits of protein-rich plasma (PRP) therapy for rotator cuff injuries have been published, the results have been conflicting. Therefore, this study aimed to determine whether PRP is beneficial for the prevention of retears after arthroscopic rotator cuff repair (ARCR). METHODS Two reviewers conducted independent literature searches based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Randomized controlled trials (RCTs) comparing a PRP treatment group with a control group were included. The quality of evidence was assessed using the Cochrane Collaboration Risk of Bias Tool. Clinical outcomes were compared using the risk ratio (RR) for dichotomous variables and weighted mean difference (WMD) for continuous variables. Statistical significance was set at P < .05. RESULTS This review included 21 RCTs (1359 patients). Significant results were noted in favor of PRP treatment compared with controls based on retearing rates (16.5% vs 23.6%, respectively; P = .002) and the Constant score in the short term (WMD: 1.98; 95% confidence interval [CI], 0.27-3.70; I2 = 0%; P = .02), medium term and long term (WMD: 2.56 [95% CI: 1.57-3.55]; I2 = 2%; P < .001); the University of California, Los Angeles score in the short term (WMD: 1.14 [95% CI: 0.43-1.85]; I2 = 25%; P = .002) but not in the medium and long term (WMD: 0.66 [95% CI: -0.16 to 1.48]; I2 = 57%; P = .11); and the visual analog scale score in the short term (WMD: -0.63 [95% CI: -0.83 to-0.43]; I2 = 41%; P < .001), medium and long term (WMD: -0.12 [95% CI: -0.19 to-0.05]; I2 = 0%; P = .008). There was no significant difference in American Shoulder and Elbow Surgeons scores between the treatment and control groups in the short term (WMD: -0.48 [95% CI: -2.80 to 1.85]; I2 = 22%; P = .69) or medium and long term (WMD: 0.92 [95% CI: -1.56 to 3.39]; I2 = 40%; P = .47). CONCLUSION Intraoperative use of PRP reduces the risk of rotator cuff repair failure, improves clinical outcomes, and reduces recurrence rates.
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Affiliation(s)
- Zhe Shen
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Xiaoang Ye
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Yawen He
- Hangzhou Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Gaobo Shen
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Kuangying Xu
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Bingbing Zhang
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
| | - Lianguo Wu
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People’s Republic of China
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Kim H, Cho YS, Jung Y, Song HS. Effect of Porcine-Derived Absorbable Patch-Type Atelocollagen for Arthroscopic Rotator Cuff Repair: A Prospective Randomized Controlled Trial. Am J Sports Med 2024; 52:1439-1448. [PMID: 38551128 DOI: 10.1177/03635465241238982] [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: 05/02/2024]
Abstract
BACKGROUND Even though arthroscopic rotator cuff repair is recognized as a standard treatment option, the risk of postoperative retear is a major concern. PURPOSE To evaluate the effect of porcine-derived absorbable patch-type atelocollagen during arthroscopic rotator cuff repair. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A total of 64 patients with rotator cuff tears diagnosed on magnetic resonance imaging (MRI) were enrolled prospectively from November 2020 to December 2021. Both groups had repairs using the suture bridge technique. For the atelocollagen group, before securing the lateral anchors, we inserted porcine-derived absorbable patch-type atelocollagen between the footprint and the tendon. On postoperative day 2, the patients underwent MRI to confirm containment of the patch-type atelocollagen. At 6 months and 1 year postoperatively, the signal intensity of the repaired tendon was assessed using MRI. Patients were evaluated using the Constant score as the primary outcome, along with the visual analog scale for pain; range of motion; American Shoulder and Elbow Surgeons score; University of California, Los Angeles, score; and Korean Shoulder Score preoperatively and at 2, 3, 6, and 12 months postoperatively. RESULTS No significant changes in the Constant score as primary outcome, pain or other functional scores, and range of motion were observed between the groups at 1 year postoperatively. The patch-type atelocollagen was confirmed to be contained by the time-zero MRI scan taken 2 days postoperatively. Among the 55 patients included in final analysis, 12 retear cases were recorded (21.8% retear rate). A significantly lower retear rate was found in the atelocollagen group, as 3 cases were observed in this group (10.3%) and 9 cases were observed in the conventional repair group (34.6%) (P = .048). CONCLUSION The Constant score was not different between the groups. The retear rate after rotator cuff repair was significantly lower in the group that received porcine-derived absorbable patch-type atelocollagen compared with in the conventional group. REGISTRATION KCT0005184 (Clinical Research Information Service [CRIS]; https://cris.nih.go.kr).
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Affiliation(s)
- Hyungsuk Kim
- Department of Orthopedic Surgery, Eunpyeong St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yong-Soo Cho
- Department of Orthopedic Surgery, Eunpyeong St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Younsung Jung
- Department of Orthopedic Surgery, Eunpyeong St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyun Seok Song
- Department of Orthopedic Surgery, Eunpyeong St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Nunes B, Martins R, Linhares D, Azevedo L, Canadas R, Gutierres M. Effect of Platelet-Rich Plasma Dosing for Healing after Arthroscopic Cuff Repair Compared with Surgery Alone: A Systematic Review and Meta-Analysis. Med Sci Sports Exerc 2024; 56:796-804. [PMID: 38480490 DOI: 10.1249/mss.0000000000003361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
INTRODUCTION Platelet-rich plasma (PRP) has been used for arthroscopic rotator cuff repairs (aRCR), but no studies have addressed the impact of platelet concentration. The primary aim was to evaluate whether the PRP cell concentration has an effect on tendon healing after aRCR compared with surgery alone. The secondary aim was to assess the functional and pain outcomes. MATERIALS AND METHODS A systematic review was performed with searches in the MEDLINE (PubMed), Scopus, Web of Science, and Cochrane (Central) databases according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Metanalytic procedures were performed for randomized controlled trials (RCTs), and a subgroup analysis was used for studies with target (approximately 10 6 cells·μL -1 ) or below-target PRP cellular concentrations (app. 5 × 10 5 cells·μL -1 ) regarding the primary outcome of tendon healing. RESULTS This review included 10 studies (8 RCTs) with 342 patients in the aRCR + PRP group and 344 patients with isolated aRCR. The risk of bias was low to intermediate (6/4, respectively). Meta-analysis of the RCT revealed that the aRCR + high-concentration PRP group had an approximately 3.9-fold higher chance of healing than the non-PRP group (odds ratio, 3.89; 95% confidence interval, 1.78-8.44; P = 0.0007). No significant difference in healing was found between the aRCR + low-concentration PRP and non-PRP groups (odds ratio, 2.21; 95% confidence interval, 0.66-7.45; P = 0.2). The Constant-Murley score and University of California Los Angeles scores were significantly improved in the aRCR + PRP groups with more than 12 months of follow-up, and no significant differences were found consistently for the American Shoulder and Elbow Society and visual analog scale scores. CONCLUSIONS This study highlights that a PRP cell concentration close to the target (10 6 cells·μL -1 ) of patients with aRCR may improve their healing and functional outcomes and that dosing may be potentially useful in therapy.
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Affiliation(s)
| | - Ricardo Martins
- Faculty of Medicine of the University of Porto, Porto, PORTUGAL
| | | | - Luís Azevedo
- CINTESIS@RISE-Center for Health Technology and Services Research at the Health Research Network, MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine of the University of Porto, Porto, PORTUGAL
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Peng Y, Du L, Yang B, Fan D, Jia S, Zheng C. Efficacy of platelet-rich plasma and platelet-rich fibrin in arthroscopic rotator cuff repair: A systematic review and meta-analysis. PM R 2023; 15:1643-1653. [PMID: 37526570 DOI: 10.1002/pmrj.13049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 06/27/2023] [Accepted: 07/07/2023] [Indexed: 08/02/2023]
Abstract
OBJECTIVE Basic scientific studies have demonstrated positive effects of platelet-rich therapies, such as platelet-rich plasma (PRP) and platelet-rich fibrin (PRF), on tendon repair. However, clinical evidence indicating improved prognosis is controversial. In this study, we aimed to determine whether augmentation of arthroscopic rotator cuff repair with PRP and PRF improves outcomes compared to arthroscopic repair alone. LITERATURE SURVEY PubMed, Embase, and Cochrane library databases were comprehensively searched for randomized controlled trials (RCTs) published until June 2022 according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. No language restriction was applied. METHODOLOGY The primary outcomes were the rate of repeat tears after arthroscopic rotator cuff repair (retear rate) and clinical function scores (Constant-Murley Score, University of California, Los Angeles Score), and the extracted data were assessed for quality. Statistical analyses were performed using Review manager 5.3, and p < .05 was considered statistically significant. SYNTHESIS Ten RCTs with 628 patients were included. The results showed that augmenting surgery with PRP reduces retear rates compared to surgery alone (risk ratio [RR] = 0.40, 95% confidence interval [CI] 0.23-0.69, p = .001), whereas PRF has no effect on retear rates (p = .92). Regarding clinical function, PRP improves Constant-Murley scores (mean difference [MD] = 2.03, 95% CI 0.13-3.93, p = .04) and University of California, Los Angeles scores (MD = 1.30, 95% CI 0.36-2.24, p = .007), whereas PRF improves only Constant-Murley scores (MD = 3.93, 95% CI 1.50-6.36, p = .002). However, these differences were small and below the minimum clinically important difference threshold. CONCLUSIONS This study showed that compared to arthroscopic rotator cuff repair alone, the application of PRP in arthroscopic rotator cuff repair reduces retear rate and improves clinical function scores, whereas the application of PRF has no clinically meaningful benefit. The small number and heterogeneity of studies as well as methodological limitations and risk of bias limit confidence in the true effect.
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Affiliation(s)
- Yundong Peng
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Liang Du
- Department of Rehabilitation Medicine, PLA Middle Military Command General Hospital, Wuhan, China
| | - Bowen Yang
- Division of Pediatric Healthcare, Department of Pediatrics, Children's Rehabilitation Center, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Donghao Fan
- Department of Rehabilitation Medicine, People's Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Shaohui Jia
- Hubei Key Laboratory of Sport Training and Monitoring, College of Sports Medicine, Wuhan Sports University, Wuhan, China
| | - Cheng Zheng
- Department of Sports Medicine, Affiliated Hospital, Wuhan Sports University, Wuhan, China
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Ciccone WJ, Geers B, Jensen B, Bishai SK. Rotator Cuff Augmentation: Its Role and Best Practices. Sports Med Arthrosc Rev 2023; 31:113-119. [PMID: 38109163 DOI: 10.1097/jsa.0000000000000375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Rotator cuff tears are a common source of pain and impairment in the shoulder. Healing of the rotator cuff tendons following repair has been associated with improved patient outcomes. While there have been many technical improvements in surgical techniques for rotator cuff repair, failure rates are still surprisingly high. Augmentation of these repairs has been shown to help with fixation biomechanics as well as healing rates. The described types of augments include autograft, allograft, xenograft, and synthetic options. This report reviews the commonly available types of augments and some of the outcomes associated with their use.
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Affiliation(s)
| | - Brent Geers
- Henry Ford Macomb Orthopedic Surgery Residency, Detroit
| | - Bodrie Jensen
- Henry Ford Macomb Orthopedic Surgery Residency, Detroit
| | - Shariff K Bishai
- Michigan State University College of Osteopathic Medicine, East Lansing
- Oakland University William Beaumont School of Medicine, Rochester, MI
- University of Dayton, Dayton, OH
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Gimm G, Yoon JY, Ahn E, Oh S, Jo CH. Clinical Implication of Glenohumeral and Subacromial Synovitis in Rotator Cuff Tears. Orthop J Sports Med 2023; 11:23259671231207818. [PMID: 38035213 PMCID: PMC10687959 DOI: 10.1177/23259671231207818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 05/19/2023] [Indexed: 12/02/2023] Open
Abstract
Background Synovitis of the glenohumeral (GH) joint and the subacromial (SA) space is commonly observed during arthroscopic rotator cuff surgery. Purpose To investigate the distribution, severity, and clinical implications of synovitis in the GH joint and SA space in patients with a full-thickness rotator cuff tear (RCT). Study Design Case series; Level of evidence, 4. Methods Data were retrospectively collected from 207 patients with a full-thickness RCT who underwent arthroscopic repair. Preoperative parameters used in the clinical assessment included pain, range of motion (ROM), muscle strength, and functional scores. Macroscopic assessment of synovitis was performed intraoperatively in the 3 regions of interest (ROIs) of the GH joint and 4 ROIS of the SA space using an evaluation system. The distribution and severity of synovitis and the association between synovitis and clinical assessment were evaluated. Results Synovitis was more severe in the GH joint than in the SA space (P < .001). Synovitis in the posterior GH joint and the lateral SA space, where most of the rotator cuff was located, was the most severe area among the ROIs of the GH joint and the SA space, respectively (P < .05). All types of pain, except for pain at rest, were associated with synovitis in the posterior GH joint (P < .05). All ROM measures were associated with synovitis in the posterior and inferior GH joint (|r| > 0.20; P < .05 for both). The strength of the supraspinatus and the infraspinatus was associated with synovitis in the posterior GH joint (P < .05). Shoulder function was associated with synovitis in the posterior and inferior GH joint and more in the posterior GH joint (P < .05 for both). Synovitis in the SA space was not associated with any of the clinical parameters. Conclusion Synovitis in the posterior GH joint was the most severe form of synovitis in the GH joint in patients with a full-thickness RCT. Synovitis in the posterior GH joint was closely associated with increased pain and decreased ROM, muscle strength, and functional score. Synovitis in the SA space was milder and not associated with any clinical parameters.
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Affiliation(s)
- Geunwu Gimm
- Department of Orthopedic Surgery, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jeong Yong Yoon
- Department of Orthopedic Surgery, 88 Hospital, Seoul, Republic of Korea
| | - Eunmi Ahn
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sohee Oh
- Medical Research Collaborating Center, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Chris Hyunchul Jo
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Translational Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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Brinkman JC, McQuivey KS, Hassebrock JD, Moore ML, Pollock JR, Tokish JM. Public Interest in Shoulder Platelet-Rich Plasma Injections Is Increasing: A 10-Year Google Trends Analysis. Arthrosc Sports Med Rehabil 2023; 5:100744. [PMID: 37502225 PMCID: PMC10368834 DOI: 10.1016/j.asmr.2023.04.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 04/29/2023] [Indexed: 07/29/2023] Open
Abstract
Purpose To quantify and analyze public interest trends in platelet-rich plasma (PRP) therapy for shoulder pathology between 2011 and 2020 using Google Trends data. Methods Google Trends data were queried for online search data ranging from January 2011 to December 2020. Various combinations of terms related to PRP and shoulder pathology were queried. Terms related to corticosteroid therapy in association with shoulder pathology were also generated for comparative analysis. Analyses were performed regarding trends in online search volumes. Results Linear models were generated to evaluated trends in the volume of online searches for PRP and corticosteroid therapy for shoulder pathology. For both the PRP and steroid groups, linear models showed a statistically significant increase in search volume for the period studied (P < .001). The PRP group showed a significantly greater growth rate than the steroid group (P < .001). There were no statistically significant differences in online search volume when compared between different geographic and socioeconomic locations. Conclusions This study indicates consistently increasing public interest in PRP injections in the shoulder. The rate of online search volume growth of PRP is significantly greater than that of corticosteroid injections for the period studied. Clinical Relevance Awareness of patient perceptions has value in informing shared decision making, aligning patient expectations, and guiding areas of future research. Each of these has an impact on patient care. Being aware of patient interest and expectations is particularly important in areas with controversial or emerging research.
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Affiliation(s)
| | - Kade S. McQuivey
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, Arizona, U.S.A
| | | | - M. Lane Moore
- Mayo Clinic Alix School of Medicine, Scottsdale, Arizona, U.S.A
| | | | - John M. Tokish
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, Arizona, U.S.A
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You T, Wu S, Ou X, Liu Y, Wang X. A network meta-analysis of arthroscopic rotator cuff repair. BMC Surg 2023; 23:201. [PMID: 37443010 DOI: 10.1186/s12893-023-02078-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 06/14/2023] [Indexed: 07/15/2023] Open
Abstract
OBJECTIVE Rotator cuff tear is a common shoulder injury that often leads to serious limitations in daily life. Herein, a network Meta-analysis using frequency theory was performed to evaluate the clinical outcomes of five rotator cuff repair techniques, including single-row repair, double-row repair, suture bridge repair, platelet-rich plasma therapy, and bone marrow stimulation, thus guiding clinical decision-making on rotator cuff repair. METHODS PubMed, EMbase, The Cochrane Library, and Web of Science were searched for randomized controlled trials and cohort studies comparing rotator cuff repair techniques published from inception to May 2022. Combined analysis and quality assessment were performed using software STATA15.1 and Review Manager5.3. RESULTS A total of 51 articles were finally included, including 27 randomized controlled trials and 24 cohort studies. Results from the network Meta-analysis showed that: (1) In terms of the American Shoulder and Elbow Surgeons score, platelet-rich plasma therapy, double-row repair, bone marrow stimulation, and single-row repair were significantly better than suture bridge repair. (2) In terms of Constant score, bone marrow stimulation was significantly better than double-row repair, single-row repair, and suture bridge repair. (3) In terms of visual analog scale score, platelet-rich plasma therapy was significantly better than double-row repair and suture bridge repair. (4) In terms of the Shoulder Rating Scale of the University of California at Los Angeles score, platelet-rich plasma therapy and double-row repair were relatively better but not significantly different from the other treatments. (5) In terms of the risk of re-tear, the re-tear rate of platelet-rich plasma therapy and double-row repair was significantly lower than that of single-row repair and suture bridge repair. CONCLUSION Based on the results of network Meta-analysis and surface under the cumulative ranking, platelet-rich plasma therapy, bone marrow stimulation, and double-row repair have good overall rehabilitation effects. It is recommended to choose appropriate repair techniques as per the actual clinical situation.
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Affiliation(s)
- Tianshu You
- School of Electrical Engineering and Computer, Jilin Jianzhu University, Changchun, Jilin Province, China
| | - Siyu Wu
- Department of Hand Surgery, the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xiaolan Ou
- Department of Hand Surgery, the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Ying Liu
- Department of Cardiology, Jilin Province Hospital, Changchun, Jilin Province, China
| | - Xu Wang
- School of Electrical Engineering and Computer, Jilin Jianzhu University, Changchun, Jilin Province, China.
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Gould HP. CORR Insights®: High Acromial Slope and Low Acromiohumeral Distance Increase the Risk of Retear of the Supraspinatus Tendon After Repair. Clin Orthop Relat Res 2023; 481:1171-1173. [PMID: 36812065 PMCID: PMC10194537 DOI: 10.1097/corr.0000000000002600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 01/27/2023] [Indexed: 02/24/2023]
Affiliation(s)
- Heath P Gould
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, MD, USA
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Mavrogenis AF, Karampikas V, Zikopoulos A, Sioutis S, Mastrokalos D, Koulalis D, Scarlat MM, Hernigou P. Orthobiologics: a review. INTERNATIONAL ORTHOPAEDICS 2023:10.1007/s00264-023-05803-z. [PMID: 37071148 DOI: 10.1007/s00264-023-05803-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/30/2023] [Indexed: 04/19/2023]
Abstract
PURPOSE The use of biologic materials in orthopaedics (orthobiologics) has gained significant attention over the past years. To enhance the body of the related literature, this review article is aimed at summarizing these novel biologic therapies in orthopaedics and at discussing their multiple clinical implementations and outcomes. METHODS This review of the literature presents the methods, clinical applications, impact, cost-effectiveness, and outcomes, as well as the current indications and future perspectives of orthobiologics, namely, platelet-rich plasma, mesenchymal stem cells, bone marrow aspirate concentrate, growth factors, and tissue engineering. RESULTS Currently available studies have used variable methods of research including biologic materials as well as patient populations and outcome measurements, therefore making comparison of studies difficult. Key features for the study and use of orthobiologics include minimal invasiveness, great healing potential, and reasonable cost as a nonoperative treatment option. Their clinical applications have been described for common orthopaedic pathologies such as osteoarthritis, articular cartilage defects, bone defects and fracture nonunions, ligament injuries, and tendinopathies. CONCLUSIONS Orthobiologics-based therapies have shown noticeable clinical results at the short- and mid-term. It is crucial that these therapies remain effective and stable in the long term. The optimal design for a successful scaffold remains to be further determined.
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Affiliation(s)
- Andreas F Mavrogenis
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece.
| | - Vasileios Karampikas
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Alexandros Zikopoulos
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Spyridon Sioutis
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Dimitrios Mastrokalos
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Dimitrios Koulalis
- First Department of OrthopaedicsNational and Kapodistrian University of Athens, School of Medicine, Athens, Greece
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Lv M, Xu Q, He F, Guo J, Zheng Z, Xie J, Wang W. Transosseous-Equivalent/Suture Bridge Technique in Combination With Platelet-Rich Plasma Application Yield Optimal Clinical Outcomes in Arthroscopic Rotator Cuff Repair: A Bayesian Network Analysis of Randomized Controlled Trials. Arthroscopy 2023; 39:425-437.e1. [PMID: 36343767 DOI: 10.1016/j.arthro.2022.10.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
PURPOSE To assess the clinical evidence defining the optimal combination of arthroscopic suture technique and platelet-rich products (PRP), and application for arthroscopic rotator cuff repair (ARCR). METHODS All level of evidence (LOE) I randomized controlled trials (RCT) focusing on arthroscopic suture technique and/or PRP application in ARCR were included. The exclusion criteria were LOE II or worse, studies with other interventions, studies reported none of the predetermined clinical outcomes; studies unable to extract any precise data; studies from the same patient group of included studies. A pair-wise meta-analysis and Bayesian network analysis were performed on each comparison. The intervention options were ranked by Bayesian network analysis. RESULTS 27 studies comprising 1,947 individuals met the inclusion criteria. The application of transosseous equivalent/suture bridge repair (SB) with PRP (SB+PRP) significantly reduced retear rate (risk ratio [RR], 0.29; 95% confidence interval [CI], [0.15, 0.55].) and increased Constant-Murley score (mean difference, 1.90; 95% CI, [0.14, 3.74]), compared to SB repair. Single-row repair (SR) with PRP usage (SR+PRP) significantly reduced retear rate (RR, 0.27; 95% CI, [0.12, 0.55]) and pain visual analog scale (VAS) (mean difference: -0.84; 95% CI [-1.39, -0.46].), increased University of California, Los Angeles (UCLA) shoulder score (mean difference: 1.48; 95% CI [0.50, 2.58]) and Constant-Murley score (mean difference: 4.53; 95% CI [2.65, 6.38]), compared to SR repair. The ranking for outcomes demonstrated SB+PRP resulted in the best retear rate, UCLA shoulder score, with the second-best postoperative pain, Constant-Murley score, while SR+PRP resulted in the best postoperative pain, Constant-Murley score, with the second-best retear rate and UCLA score. CONCLUSION Arthroscopic rotator cuff repair utilizing SB+PRP yields optimal retear rate and UCLA shoulder score, with the second-best postoperative pain and Constant-Murley shoulder outcome score, while SR+PRP yields the best in these two parameters. LEVEL OF EVIDENCE Level I, Bayesian network analysis of level I RCT.
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Affiliation(s)
- Minchao Lv
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China
| | - Qingxin Xu
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Feixiong He
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China
| | - Jinku Guo
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China
| | - Zhenxin Zheng
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China
| | - Jun Xie
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China
| | - Wei Wang
- Department of Orthopedics, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang Province, China.
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Trantos IA, Vasiliadis ES, Giannoulis FS, Pappa E, Kakridonis F, Pneumaticos SG. The Effect of PRP Augmentation of Arthroscopic Repairs of Shoulder Rotator Cuff Tears on Postoperative Clinical Scores and Retear Rates: A Systematic Review and Meta-Analysis. J Clin Med 2023; 12:jcm12020581. [PMID: 36675510 PMCID: PMC9860857 DOI: 10.3390/jcm12020581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 12/24/2022] [Accepted: 01/08/2023] [Indexed: 01/13/2023] Open
Abstract
The aim of this review and meta-analysis is to assess recent clinical trials concerning the combination of operative treatment of rotator cuff tears and the administration of PRP and its effect on clinical scores and postoperative retear rates. The trials were used to compare the combination of PRP treatment and arthroscopic rotator cuff repair to arthroscopy alone. Twenty-five clinical trials were reviewed. A risk-of-bias assessment was made for all randomized clinical trials included, using the Cochrane collaboration’s tool as well as a quality assessment for all non-randomized studies utilizing the Newcastle−Ottawa scale. The PRP-treated patients showed statistically significant improvement postoperatively compared to control groups concerning the Constant−Murley (mean difference 2.46, 95% CI 1.4−3.52, p < 0.00001), SST (mean difference 0.32, 95% CI 0.02−0.63, p = 0.04), and UCLA (mean difference 0.82, 95% CI 0.23−1.43, p = 0.07) scores. A statistically significant decrease of retear rates in the PRP-treated patients, with a risk ratio of 0.78 (95% CI 0.65−0.94, p = 0.01), was found. We believe that the results presented have positive aspects, especially concerning the retear risk, but are yet inconclusive concerning clinical results such as shoulder pain and function.
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Affiliation(s)
| | - Elias S. Vasiliadis
- 3rd Department of Orthopaedic Surgery, KAT Hospital, University of Athens, 14561 Athens, Greece
| | | | - Eleni Pappa
- 5th Department of Orthopaedic Surgery, KAT Hospital, 14561 Athens, Greece
| | - Fotios Kakridonis
- 5th Department of Orthopaedic Surgery, KAT Hospital, 14561 Athens, Greece
| | - Spyros G. Pneumaticos
- 3rd Department of Orthopaedic Surgery, KAT Hospital, University of Athens, 14561 Athens, Greece
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13
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Uyeki CL, Perry NP, Farina EM, Wang C, Nascimento RJ, Mazzocca AD. Biologic Adjuvants for Rotator Cuff Augmentation. OPER TECHN SPORT MED 2023. [DOI: 10.1016/j.otsm.2023.150988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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14
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Oda H, Kaizawa Y, Franklin A, Sanchez Rangel U, Storaci H, Min JG, Wang Z, Abrams GD, Chang J, Fox PM. Assessment of a Synergistic Effect of Platelet-Rich Plasma and Stem Cell-Seeded Hydrogel for Healing of Rat Chronic Rotator Cuff Injuries. Cell Transplant 2023; 32:9636897231190174. [PMID: 37592455 PMCID: PMC10467370 DOI: 10.1177/09636897231190174] [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: 04/02/2023] [Revised: 06/29/2023] [Accepted: 07/11/2023] [Indexed: 08/19/2023] Open
Abstract
Outcomes after repair of chronic rotator cuff injuries remain suboptimal. Type-1 collagen-rich tendon hydrogel was previously reported to improve healing in a rat chronic rotator cuff injury model. Stem cell seeding of the tendon hydrogel improved bone quality in the same model. This study aimed to examine whether there was a synergistic and dose-dependent effect of platelet-rich plasma (PRP) on tendon-bone interface healing by combining PRP with stem cell-seeded tendon hydrogel. Human cadaveric tendons were processed into a hydrogel. PRP was prepared at two different platelet concentrations: an initial concentration (initial PRP group) and a higher concentration (concentrated PRP group). Tendon hydrogel was mixed with adipose-derived stem cells and one of the platelet concentrations. Methylcellulose, as opposed to saline, was used as a negative control due to comparable viscosity. The supraspinatus tendon was detached bilaterally in 33 Sprague-Dawley rats (66 shoulders). Eight weeks later, each detached tendon was repaired, and a hydrogel mixture or control was injected at the repair site. Eight weeks after repair, shoulder samples were harvested and assigned for biomechanical testing (n = 42 shoulders) or a combination of bone morphological and histological assessment (n = 24 shoulders). Biomechanical testing showed significantly higher failure load and stiffness in the concentrated PRP group than in control. Yield load in the initial and concentrated PRP groups were significantly higher than that in the control. There were no statistically significant differences between the initial and concentrated PRP groups. The addition of the highly concentrated PRP to stem cells-seeded tendon hydrogel improved healing biomechanically after chronic rotator cuff injury in rats compared to control. However, synergistic and dose-dependent effects were not seen.
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Affiliation(s)
- Hiroki Oda
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Yukitoshi Kaizawa
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Austin Franklin
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Uriel Sanchez Rangel
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Hunter Storaci
- Department of Orthopedic Surgery, Stanford University School of Medicine, Redwood City, CA, USA
| | - Jung Gi Min
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Zhen Wang
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Geoffrey D. Abrams
- Department of Orthopedic Surgery, Stanford University School of Medicine, Redwood City, CA, USA
| | - James Chang
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Paige M. Fox
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
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15
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Platelet-rich plasma does not improve clinical results in patients with rotator cuff disorders but reduces the retear rate. A systematic review and meta-analysis. Knee Surg Sports Traumatol Arthrosc 2022; 31:1940-1952. [PMID: 36496450 DOI: 10.1007/s00167-022-07223-9] [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: 07/19/2022] [Accepted: 11/04/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE To assess whether the use of Platelet-rich plasma (PRP) produces a clinical benefit in patients with rotator cuff disorders, treated either conservatively or surgically. METHODS A systematic review was performed according to PRISMA guidelines on three databases (PubMed, Cochrane Library, Web of Science) to identify randomised controlled trials (RCTs) on the use of PRP in patients with rotator cuff disorders, treated either conservatively or surgically. A meta-analysis was performed on articles reporting results for Constant, UCLA, VAS, SST scores and retear rate. The RoB 2.0 and the modified Coleman Methodology Score were used to assess methodological quality. RESULTS A total of 36 RCTs (20 surgical, 16 conservative) were included, for a total of 2,443 patients. Conservative treatment showed high heterogeneity and no clear consensus in favour of PRP. The meta-analysis of the studies with surgical treatment showed no benefit in using PRP in any of the clinical outcomes, either at the short or medium/long-term follow-up. However, the retear rate was lower with PRP augmentation (p < 0.001). The overall quality of the studies was moderate to high, with the surgical studies presenting a lower risk of bias than the conservative studies. CONCLUSION The use of PRP as augmentation in rotator cuff surgical repair significantly reduces the retear rate. However, no benefits were documented in terms of clinical outcomes. PRP application through injection in patients treated conservatively also failed to present any clear advantage. While there are many studies in the literature with several RCTs of moderate to high quality, the high heterogeneity of products and studies remains a significant limitation to fully understanding PRP potential in this field. LEVEL OF EVIDENCE Level I.
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16
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Schoch BS, Werner BC, Shapiro SA, Camp CL, Chalmers PN, Cancienne JM. Effect of Bone Marrow Aspirate Concentrate and Platelet-Rich Plasma Augmentation on the Rate of Revision Rotator Cuff Repair. Orthop J Sports Med 2022; 10:23259671221127004. [PMID: 36353396 PMCID: PMC9638537 DOI: 10.1177/23259671221127004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/05/2022] [Indexed: 11/05/2022] Open
Abstract
Background: The application of orthobiologics at the time of arthroscopic rotator cuff
repair (RCR) has received an increasing amount of clinical interest despite
a relative scarcity of human clinical studies on their efficacy. Purpose: To utilize a national administrative database to determine the association of
bone marrow aspirate concentrate (BMAC) and platelet-rich plasma (PRP)
applied at the time of RCR with revision surgery rates. Study Design: Cohort study; Level of evidence, 3. Methods: The Mariner data set from the PearlDiver patient records repository was
utilized to identify patients undergoing RCR using Current Procedural
Terminology (CPT) code 29827. Patients receiving BMAC or PRP at the time of
RCR were then identified using CPT coding. For comparison purposes, a
matched cohort was created consisting of patients who underwent RCR without
biologic augmentation in a 5:1 fashion for each biologic separately. Cases
were matched according to age, sex, tobacco use, biceps tenodesis, distal
clavicle excision, and subacromial decompression. All groups were then
queried for revision RCR or conversion to reverse shoulder arthroplasty.
Revision rates were compared utilizing a multivariate binomial logistic
regression analysis. Adjusted odds ratios (ORs) and 95% CIs were
calculated. Results: A total of 760 patients who underwent biologic augmentation during RCR were
identified, including 646 patients in the PRP group and 114 patients in the
BMAC group. They were compared with 3800 matched controls without documented
biologic application at the time of surgery. Compared with matched controls,
patients who received BMAC at the time of surgery experienced a
significantly lower incidence of revision surgery at 2 years (OR, 0.36; 95%
CI, 0.15-0.82; P = .015). There was no significant
difference in revision rates between PRP and matched controls (OR, 0.87; 95%
CI, 0.62-1.23; P = .183). Conclusion: The application of BMAC at the time of RCR was associated with a significant
decrease in the incidence of revision surgery. There was no apparent effect
of PRP on the incidence of revision surgery after primary RCR. Higher-level
clinical studies considering surgical factors are needed to more clearly
define the role of biologic adjuvants in RCR.
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Affiliation(s)
- Bradley S. Schoch
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Brian C. Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Shane A. Shapiro
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Peter N. Chalmers
- Department of Orthopedic Surgery, University of Utah, Salt Lake City, Utah, USA
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17
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Shen W, Wang W, Xue Y, Shi J, Pu Z, Gao Q. Comparative effectiveness of different platelet-rich plasma for arthroscopic rotator cuff repair: A protocol for systematic review and network meta-analysis. Medicine (Baltimore) 2022; 101:e31260. [PMID: 36281097 PMCID: PMC9592368 DOI: 10.1097/md.0000000000031260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Rotator cuff tears are one of the most common injuries of the shoulder joint in adults. Arthroscopic rotator cuff repair (ARCR) has become the gold standard for the treatment of rotator cuff injuries, but it still has a high rate of retear. Platelet-rich plasma (PRP) has been widely used as an adjunct to ARCR. However, the comparative efficacy of different PRP for ARCR remain unclear. In order to evaluate the relative efficacy of PRP for individuals with ARCR, we will conduct a systematic review and network meta-analysis of randomized controlled trials. METHODS A systematic literature search will be conducted in Embase, PubMed, Cochrane Library, Web of Science, China National Knowledge Infrastructure, Wanfang Database, and Chinese Biomedical Literature Database will be searched up to October 2022. The primary outcome will focus on the retear rate at the last follow-up. The secondary outcomes include the Visual Analogue Scale for postoperative pain and functional capacity scores. The risk of bias for individual studies will be assessed according to the revised Cochrane risk-of-bias tool for randomized trials (RoB 2.0). Data analysis will be performed using R 4.1.2. Publication bias will be examined using comparison-adjusted funnel plots and Egger's test using STATA 15.0. The quality of evidence will be assessed using the Grading of Recommendations, Assessment, Development and Evaluation approach. RESULTS The results of this study will be submitted to a peer-reviewed journal for publication. CONCLUSIONS The review will compare the efficacy of different PRP for patients with ARCR. The result of the study will provide evidence-based medical evidence for ARCR with PRP augmentation.
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Affiliation(s)
- Weiwei Shen
- Orthopedics Center of PLA, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, China
| | - Wei Wang
- Department of Orthopedics, The Third People’s Hospital, Baiyin, China
| | - Yun Xue
- Orthopedics Center of PLA, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, China
| | - Jie Shi
- Orthopedics Center of PLA, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, China
| | - Zhongshu Pu
- Department of Infection Control, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, China
| | - Qiuming Gao
- Orthopedics Center of PLA, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, China
- * Correspondence: Qiuming Gao, Orthopedics Center of PLA, The 940th Hospital of Joint Logistics Support Force Army of PLA, Lanzhou, Gansu Province 730050, China (e-mail: )
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18
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Obana KK, Schallmo MS, Hong IS, Ahmad CS, Moorman CT, Trofa DP, Saltzman BM. Current Trends in Orthobiologics: An 11-Year Review of the Orthopaedic Literature. Am J Sports Med 2022; 50:3121-3129. [PMID: 34528456 DOI: 10.1177/03635465211037343] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The use of "orthobiologics" or regenerative therapies in orthopaedic surgery has grown in recent years. Particular interest has been raised with regard to platelet-rich plasma, bone marrow aspirate, adipose-derived cells, and amniotic cells. Although studies have analyzed outcomes after orthobiologic treatment, no study has analyzed how the literature as a whole has evolved. PURPOSE To evaluate trends in platelet-rich plasma, bone marrow aspirate, adipose-derived cells, and amniotic cell publications and to assess how these might inform efforts to establish minimum reporting standards and forecast future use. STUDY DESIGN Systematic review; Level of evidence, 4. METHODS A database was compiled systematically using PubMed to identify articles published between 2009 and 2019 within 9 prominent orthopaedic journals and pertaining to the use of platelet-rich plasma, bone marrow aspirate, adipose-derived cells, and amniotic cells in the treatment of musculoskeletal conditions. Included articles were classified as clinical, nonclinical (translational or basic science), or review, and a variety of study parameters were recorded for each. Additional queries were performed to identify articles that utilized minimum reporting standards. RESULTS A total of 474 articles (132 clinical, 271 nonclinical, 71 review) were included, consisting of 244 (51.5%) platelet-rich plasma, 146 (30.8%) bone marrow aspirate, 72 (15.2%) adipose-derived cells, and 12 (2.5%) amniotic cells. The greatest annual increase in publications for each orthobiologic topic was from 2018 to 2019. The American Journal of Sports Medicine demonstrated the highest number of overall (34.2%) and clinical (50.0%) publications, and accounted for 44.3% of all platelet-rich plasma publications. The Journal of Orthopaedic Research accounted for the second highest overall number of publications (24.9%) and highest nonclinical publications (41.0%). Platelet-rich plasma accounted for 91.5% of all level 1 clinical studies, while much greater than half of bone marrow aspirate, adipose-derived cells, and amniotic cell publications were level 3 or lower. Out of the 207 articles that used some form of reporting protocol, 59 (28.5%) used an established algorithm and 125 (60.4%) used their own. CONCLUSION Interest in orthobiologics continues to grow, as evidenced by an increasing trend in publications over an 11-year period. However, current reporting on orthobiologic formulations is largely heterogeneous, emphasizing the need for minimum reporting standards and higher-quality studies.
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Affiliation(s)
- Kyle K Obana
- Division of Orthopaedic Surgery, John A. Burns School of Medicine, University of Hawai'i, Honolulu, Hawai'i, USA.,Department of Orthopaedics, NewYork-Presbyterian, Columbia University Medical Center, New York, New York, USA
| | - Michael S Schallmo
- Department of Orthopaedic Surgery, Atrium Health, Charlotte, North Carolina, USA
| | - Ian S Hong
- OrthoCarolina Sports Medicine Center, Charlotte, North Carolina, USA.,Musculoskeletal Institute, Atrium Health, Charlotte, North Carolina, USA
| | - Christopher S Ahmad
- Department of Orthopaedics, NewYork-Presbyterian, Columbia University Medical Center, New York, New York, USA
| | - Claude T Moorman
- OrthoCarolina Sports Medicine Center, Charlotte, North Carolina, USA.,Musculoskeletal Institute, Atrium Health, Charlotte, North Carolina, USA
| | - David P Trofa
- Department of Orthopaedics, NewYork-Presbyterian, Columbia University Medical Center, New York, New York, USA
| | - Bryan M Saltzman
- OrthoCarolina Sports Medicine Center, Charlotte, North Carolina, USA.,Musculoskeletal Institute, Atrium Health, Charlotte, North Carolina, USA
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19
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Zhang X, Wang D, Wang Z, Ling SKK, Yung PSH, Tuan RS, Ker DFE. Clinical perspectives for repairing rotator cuff injuries with multi-tissue regenerative approaches. J Orthop Translat 2022; 36:91-108. [PMID: 36090820 PMCID: PMC9428729 DOI: 10.1016/j.jot.2022.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 11/25/2022] Open
Abstract
Background In the musculoskeletal system, bone, tendon, and muscle form highly integrated multi-tissue units such as the rotator cuff complex, which facilitates functional and dynamic movement of the shoulder joint. Understanding the intricate interplay among these tissues within clinical, biological, and engineering contexts is vital for addressing challenging issues in treatment of musculoskeletal disorders and injuries. Methods A wide-ranging literature search was performed, and findings related to the socioeconomic impact of rotator cuff tears, the structure-function relationship of rotator cuff bone-tendon-muscle units, pathophysiology of injury, current clinical treatments, recent state-of-the-art advances (stem cells, growth factors, and exosomes) as well as their regulatory approval, and future strategies aimed at engineering bone-tendon-muscle musculoskeletal units are outlined. Results Rotator cuff injuries are a significant socioeconomic burden on numerous healthcare systems that may be addressed by treating the rotator cuff as a single complex, given its highly integrated structure-function relationship as well as degenerative pathophysiology and limited healing in bone-tendon-muscle musculoskeletal tissues. Current clinical practices for treating rotator cuff injuries, including the use of commercially available devices and evolving trends in surgical management have benefited patients while advances in application of stem/progenitor cells, growth factors, and exosomes hold clinical potential. However, such efforts do not emphasize targeted regeneration of bone-tendon-muscle units. Strategies aimed at regenerating bone-tendon-muscle units are thus expected to address challenging issues in rotator cuff repair. Conclusions The rotator cuff is a highly integrated complex of bone-tendon-muscle units that when injured, has severe consequences for patients and healthcare systems. State-of-the-art clinical treatment as well as recent advances have resulted in improved patient outcome and may be further enhanced by engineering bone-tendon-muscle multi-tissue grafts as a potential strategy for rotator cuff injuries. Translational Potential of this Article This review aims to bridge clinical, tissue engineering, and biological aspects of rotator cuff repair and propose a novel therapeutic strategy by targeted regeneration of multi-tissue units. The presentation of these wide-ranging and multi-disciplinary concepts are broadly applicable to regenerative medicine applications for musculoskeletal and non-musculoskeletal tissues.
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Affiliation(s)
- Xu Zhang
- Institute for Tissue Engineering and Regenerative Medicine, Hong Kong
- School of Biomedical Sciences, Hong Kong
| | - Dan Wang
- Institute for Tissue Engineering and Regenerative Medicine, Hong Kong
- School of Biomedical Sciences, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong
| | - Zuyong Wang
- College of Materials Science and Engineering, Hunan University, Changsha, China
| | - Samuel Ka-kin Ling
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong
| | - Patrick Shu-hang Yung
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong
| | - Rocky S. Tuan
- Institute for Tissue Engineering and Regenerative Medicine, Hong Kong
- School of Biomedical Sciences, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong
| | - Dai Fei Elmer Ker
- Institute for Tissue Engineering and Regenerative Medicine, Hong Kong
- School of Biomedical Sciences, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong
- Corresponding author. Institute for Tissue Engineering and Regenerative Medicine School of Biomedical Sciences, Faculty of Medicine The Chinese University of Hong Kong, Shatin, Hong Kong.
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20
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Pasculli RM, Bowers RL. Evidence-based Management of Rotator Cuff Tears (Acute and Chronic). CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2022. [DOI: 10.1007/s40141-022-00363-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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21
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Rhee SM, Kim YH, Park JH, Jeong HJ, Han J, Jeon S, Oh JH. Allogeneic Dermal Fibroblasts Improve Tendon-to-Bone Healing in a Rabbit Model of Chronic Rotator Cuff Tear Compared With Platelet-Rich Plasma. Arthroscopy 2022; 38:2118-2128. [PMID: 34968652 DOI: 10.1016/j.arthro.2021.12.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 12/11/2021] [Accepted: 12/16/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare the effects of allogeneic dermal fibroblasts (ADFs) and platelet-rich plasma (PRP) on tendon-to-bone healing in a rabbit model of chronic rotator cuff tear. METHODS Thirty-two rabbits were divided into 4 groups (8 per group). In 2 groups, the supraspinatus tendon was detached and was left as such for 6 weeks. At 6 weeks after creating the tear model, we performed transosseous repair with 5 × 106 ADFs plus fibrin injection in the left shoulder and PRP plus fibrin in the right shoulder. The relative expression of the COL1, COL3, BMP2, SCX, SOX9, and ACAN genes was assessed at 4 weeks (group A) and 12 weeks (group B) after repair. Histologic and biomechanical evaluations of tendon-to-bone healing at 12 weeks were performed with ADF injection in both shoulders in group C and PRP injection in group D. RESULTS At 4 weeks, COL1 and BMP2 messenger RNA expression was higher in ADF-injected shoulders (1.6 ± 0.8 and 1.0 ± 0.3, respectively) than in PRP-injected shoulders (1.0 ± 0.3 and 0.6 ± 0.3, respectively) (P = .019 and P = .013, respectively); there were no differences in all genes in ADF- and PRP-injected shoulders at 12 weeks (P > .05). Collagen continuity, orientation, and maturation of the tendon-to-bone interface were better in group C than in group D (P = .024, P = .012, and P = .013, respectively) at 12 weeks, and mean load to failure was 37.4 ± 6.2 N/kg and 24.4 ± 5.2 N/kg in group C and group D, respectively (P = .015). CONCLUSIONS ADFs caused higher COL1 and BMP2 expression than PRP at 4 weeks and showed better histologic and biomechanical findings at 12 weeks after rotator cuff repair of the rabbit model. ADFs enhanced healing better than PRP in the rabbit model. CLINICAL RELEVANCE This study could serve as a transitional study to show the effectiveness of ADFs in achieving tendon-to-bone healing after repair of chronic rotator cuff tears in humans.
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Affiliation(s)
- Sung-Min Rhee
- Shoulder & Elbow Clinic, Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Yun Hee Kim
- Cutigen Research Institute, Tego Science, Seoul, Republic of Korea
| | - Joo Hyun Park
- Department of Orthopaedic Surgery, Bundang Jesaeng Hospital, Seongnam-si, Republic of Korea
| | - Hyeon Jang Jeong
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Jikhyon Han
- Cutigen Research Institute, Tego Science, Seoul, Republic of Korea
| | - Saewha Jeon
- Cutigen Research Institute, Tego Science, Seoul, Republic of Korea
| | - Joo Han Oh
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea.
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22
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Chevrier A, Hurtig MB, Lavertu M. Chitosan-platelet-rich plasma implants improve rotator cuff repair in a large animal model: Pilot study. J Biomater Appl 2022; 37:183-194. [PMID: 35435027 DOI: 10.1177/08853282221085058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Freeze-dried formulations of chitosan can be solubilized in platelet-rich plasma (PRP) to form injectable implants that are used as an adjunct treatment during surgical repair of the rotator cuff. The purpose of the current study was to assess chitosan-PRP implant residency, test safety, and assess efficacy over standard-of-care controls in a sheep model of rotator cuff repair. The infraspinatus tendon was transected unilaterally and immediately repaired with suture anchors in 22 skeletally mature ewes. In treatment groups, formulations containing chitosan, trehalose, and calcium chloride were solubilized with autologous leukocyte-rich PRP and injected at the tendon-bone interface and on top of the repaired site (1 mL or 2 mL doses). Implant residency was assessed histologically at 1 day. Outcome measures included MRI assessment at baseline, 6 weeks, and 12 weeks, histopathology and clinical pathology. Chitosan-PRP implants were resident at the injection site at 1 day and induced recruitment of polymorphonuclear cells. The tendon gap, which corresponds to the length of abnormally hyperintense tissue attached to the humeral head, was decreased by treatment with the 2 mL dose when compared to controls at 12 weeks on MRI images. Some histological features were improved by the 2 mL dose treatment compared to controls at 12 weeks. There was no treatment-specific effect on all standard safety outcome measures, which suggests high safety. This study provides preliminary evidence on the safety and efficacy of chitosan-PRP implants in a large animal model that could potentially be translated to a clinical setting.
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Affiliation(s)
- Anik Chevrier
- Department of Chemical Engineering, 5596Polytechnique Montreal, Montreal, QC, Canada
| | - Mark B Hurtig
- Department of Clinical Studies, 3653University of Guelph, Guelph, ON, Canada
| | - Marc Lavertu
- Department of Chemical Engineering and Institute of Biomedical Engineering, 5596Polytechnique Montreal, Montreal, QC, Canada
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23
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Peng Y, Wu W, Li X, Shangguan H, Diao L, Ma H, Wang G, Jia S, Zheng C. Effects of leukocyte-rich platelet-rich plasma and leukocyte-poor platelet-rich plasma on the healing of bone-tendon interface of rotator cuff in a mice model. Platelets 2022; 33:1075-1082. [PMID: 35257633 DOI: 10.1080/09537104.2022.2044462] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Platelet-rich plasma (PRP) is widely used clinically to treat tendon injuries, and often contains leukocytes. However, the debate regarding the concentration of leukocytes in PRP is still ongoing. This study aimed to evaluate the therapeutic effects of leukocyte-rich platelet-rich plasma (LR-PRP) and leukocyte-poor platelet-rich plasma (LP-PRP) on the healing of the bone-tendon interface (BTI) of the rotator cuff. A total of 102 C57BL/6 mice were used. Thirty mice were used to prepare the PRP, while 72 underwent acute supraspinatus tendon injury repair. The animals were then randomly assigned to three groups: LR-PRP, LP-PRP and control groups. The mice were euthanized at 4 and 8 weeks postoperatively, and histological, immunological and biomechanical analyses were performed. The histological results showed that the fusion effect at the bone-tendon interface at 4 and 8 weeks after surgery was greater in the PRP groups and significantly increased at 4 weeks; however, at 8 weeks, the area of the fibrocartilage layer in the LP-PRP group increased significantly. M2 macrophages were observed at the repaired insertion for all the groups at 4 weeks. At 8 weeks, M2 macrophages withdrew back to the tendon in the control group, but some M2 macrophages were retained at the repaired site in the LR-PRP and LP-PRP groups. Enzyme-linked immunoassay results showed that the concentrations of IL-1β and TNF-α in the LR-PRP group were significantly higher than those in the other groups at 4 and 8 weeks, while the concentrations of IL-1β and TNF-α in the LP-PRP group were significantly lower than those in the control group. The biomechanical properties of the BTI were significantly improved in the PRP group. Significantly higher failure load and ultimate strength were seen in the LR-PRP and LP-PRP groups than in the control group at 4 and 8 weeks postoperatively. Thus, LR-RPR can effectively enhance the early stage of bone-tendon interface healing after rotator cuff repair, and LP-PRP could enhance the later stages of healing after rotator cuff injury.
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Affiliation(s)
- Yundong Peng
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Wenxia Wu
- College of Health Science, Wuhan Sports University, Wuhan, China.,Department of Rehabilitation Therapy, Jinci College of Shanxi Medical University, Jinzhong, China
| | - Xiaomei Li
- College of Health Science, Wuhan Sports University, Wuhan, China.,Medical College, Huainan Union University, Anhui, China
| | - Hengyi Shangguan
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Luyu Diao
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Haozhe Ma
- College of International Education, Wuhan Sports University, Wuhan, China
| | - Guanglan Wang
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Shaohui Jia
- College of Health Science, Hubei Provincial Collaborative Innovation Center for Exercise and Health Promotion, Wuhan Sports University, Wuhan, China
| | - Cheng Zheng
- Department of Sports Medicine, Affiliated Hospital, Wuhan Sports University, Wuhan, China
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24
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Peng Y, Guanglan W, Jia S, Zheng C. Leukocyte-Rich and Leukocyte-Poor Platelet-Rich Plasma in Rotator Cuff Repair: A Meta-analysis. Int J Sports Med 2022; 43:921-930. [PMID: 35255508 DOI: 10.1055/a-1790-7982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
To systematically review of randomized controlled trials(RCTs) to compared the effects of leukocyte-rich and leukocyte-poor platelet-rich plasma in arthroscopic rotator cuff repair. Two independent reviewers comprehensively searched PubMed, Embase, and Cochrane library databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Comparison of leukocyte-rich platelet-rich plasma or leukocyte-poor platelet-rich plasma in rotator cuff repair in a level I RCTs. Methodological quality assessment was carried out using Cochrane Review Manager 5.3 software. P<0.05 was considered statistically significant. Nine RCTs with 540 patients were included in this review. Meta-analysis showed that leukocyte-poor platelet-rich plasma in significantly reduced retear rate in rotator cuff repair [RR=0.56 95%CI (0.42,0.75); P<0.05), and in clinical results, the constant score [MD=3.67, 95%CI (1.62,5.73); P=0.0005], UCLA score [MD=1.60, 95%CI (0.79,2.42); P=0.0001], ASES score [MD=2.16, 95%CI(0.12,4.20);P=0.04] were significantly improved. There was a significant result in favor of PRP for the Constant score [MD=-1.24, 95%CI(-1.50,-0.99); P<0.00001], while SST scores were not significantly different among all groups [MD=0.21, 95%CI(-0.21,0.64); P=0.32]. In conclusion, leukocyte-poor platelet-rich plasma can improved the clinical function and reduced retear rate in arthroscopic rotator cuff repair. In contrast, the efficacy of leukocyte-rich platelet-rich plasma was not significantly improved with the exception of VAS score.
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Affiliation(s)
- Yundong Peng
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Wang Guanglan
- School of Health Sciences, Wuhan Sports University, Wuhan, China
| | - Shaohui Jia
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Cheng Zheng
- Department of Sports Medicine, Affiliated Hospital, Wuhan Sports University, Wuhan, China
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25
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Augmentation of Rotator Cuff Healing With Orthobiologics. J Am Acad Orthop Surg 2022; 30:e508-e516. [PMID: 34932515 PMCID: PMC8881347 DOI: 10.5435/jaaos-d-20-01011] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/13/2021] [Indexed: 02/01/2023] Open
Abstract
The limited regenerative capacity of the tendon-bone enthesis after surgical repair poses a significant challenge to achieving desired clinical outcomes. Biologic augmentation of the repair site has the potential to enhance the biomechanical and histological integrity of the enthesis, leading to lower retear rates and greater patient satisfaction. Platelet-rich plasma, stem cells and bone marrow aspirate concentrate, growth factors, biodegradable or biomimetic scaffolds, and amniotic products have been investigated in preclinical and, in some cases, clinical studies aimed at augmenting tendon-bone healing. Although many of these therapies have achieved some degree of success in improving structural, histological, and clinical outcomes after surgical tendon-bone enthesis repair, none have reliably and consistently lead to clinical improvement. High-quality randomized controlled clinical studies are needed to definitively evaluate the efficacy of these biologic therapies and ultimately determine which, if any, are capable of achieving a tendon-bone repair that is structurally noninferior to the native enthesis before injury.
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26
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Better Short-Term Outcomes After Rotator Cuff Repair in Studies With Poorer Mean Shoulder Scores and Predominantly Small to Medium-Sized Tears at Baseline: A Systematic Review and Meta-analysis. Arthroscopy 2022; 38:967-979.e4. [PMID: 34450217 DOI: 10.1016/j.arthro.2021.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 08/03/2021] [Accepted: 08/10/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE To perform a meta-analysis to explore factors associated with clinical and structural short-term outcomes in randomized and nonrandomized prospective studies of rotator cuff repair. METHODS Medline, clinicaltrials.gov, and Mendeley were searched for literature published from January 2000 to December 2020 to identify randomized controlled trials (RCT) and nonrandomized prospective cohort studies (PCS) describing the outcome of surgical repair of full-thickness rotator cuff tears. Study quality was assessed by two independent reviewers. We calculated standardized mean difference (SMD) from baseline to follow-up in each trial arm, preferably at 12 months follow-up. Between-study heterogeneity of outcomes, small-study effects and rates of retear were assessed. Meta-regression was performed to estimate associations between prespecified variables and clinical and structural outcomes. RESULTS Outcomes in 64 RCT and 19 PCS trial arms were analyzed. Median age was 59 years. There was substantial between-study heterogeneity in clinical outcomes (SMD range: .42 to 6.44; I2 = 93% in RCT, 88% in PCS) and summary estimates were not calculated. On the basis of multivariate analysis, better clinical outcome was associated with lower (worse) mean outcome value at baseline, smaller tear size, and lower proportion of large-massive tears (R2 = 56 and 44%, respectively). Overall retear rate at median 13-month follow-up was 19.9% (interquartile range: 10-30). Higher mean age together with larger tear size and higher proportion of large-massive tears were associated with increased retear rates (R2 = 33% and 58%, respectively). Clinical outcome was not significantly related to rate of retear. CONCLUSIONS Studies with lower mean outcome values at baseline and predominantly small- to medium-sized tears reported better clinical outcomes. Studies with higher mean age and a predominance of large-massive tears had significantly increased retear rates, but retear rates were not associated with clinical outcome. LEVEL OF EVIDENCE Level II, meta-analysis of level I and II studies.
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27
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Platelet-Rich Plasma Has Better Results for Retear Rate, Pain, and Outcome Than Platelet-Rich Fibrin After Rotator Cuff Repair: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Arthroscopy 2022; 38:539-550. [PMID: 34052384 DOI: 10.1016/j.arthro.2021.05.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/02/2021] [Accepted: 05/15/2021] [Indexed: 02/05/2023]
Abstract
PURPOSE To perform a systematic review and meta-analysis of randomized controlled trials (RCTs) in the literature to ascertain the extent to which platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) improved patient outcomes in arthroscopic rotator cuff repair. METHODS Two independent reviewers performed the literature search based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, with a third author resolving any discrepancies. RCTs comparing PRP or PRF to a control in rotator cuff repair were included. Quality of evidence was assessed using the Cochrane Collaboration risk of bias tool. Clinical outcomes were compared using the risk ratio for dichotomous variables and the mean difference for continuous variables. A P value <.05 was deemed statistically significant. RESULTS Included in this review are 23 RCTs with 1440 patients. PRP resulted in significantly decreased rates of retear (15.9% versus 29.0%, respectively; P < .0001). Significant results were noted in favor of PRP compared with control based on the Constant score (83.9 versus 81.2, respectively; P = .0006); the University of California, Los Angeles score (31.1 versus 30.2; P < .00001); the American Shoulder and Elbow Surgeons score (87.3 versus 84.5; P = .04); and the visual analog scale score (1.3 versus 1.6; P = .01). PRF resulted in an improved Constant score (80.1 versus 80.0, respectively; P = .04) compared with control. CONCLUSIONS The current evidence shows that using PRP in arthroscopic rotator cuff repair can improve pain levels and functional outcome scores while reducing the retear rate after surgery. PRF injection, on the other hand, improves only the Constant score. LEVEL OF EVIDENCE II; systematic review and meta-analysis of level I and II evidence.
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28
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DeClercq MG, Fiorentino AM, Lengel HA, Ruzbarsky JJ, Robinson SK, Oberlohr VT, Whitney KE, Millett PJ, Huard J. Systematic Review of Platelet-Rich Plasma for Rotator Cuff Repair: Are We Adhering to the Minimum Information for Studies Evaluating Biologics in Orthopaedics? Orthop J Sports Med 2021; 9:23259671211041971. [PMID: 34901286 PMCID: PMC8655472 DOI: 10.1177/23259671211041971] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 05/19/2021] [Indexed: 01/08/2023] Open
Abstract
Background The therapeutic efficacy of orthobiologic therapies for rotator cuff repair is difficult to evaluate owing to reporting inconsistences. In response, the Minimum Information for Studies Evaluating Biologics in Orthopaedics (MIBO) guidelines were developed to ensure standard reporting on orthobiologic therapies. Purpose To systematically review clinical studies evaluating platelet-rich plasma (PRP) for full-thickness rotator cuff repair and adherence to MIBO guidelines. Study Design Scoping review; Level of evidence, 4. Methods A search was performed according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines using PubMed, EMBASE, and the Cochrane Library databases. Inclusion criteria were clinical studies reporting on rotator cuff tears (≥1 cm) surgically repaired with PRP. Patient demographics, biologic intervention, and adherence to the MIBO guidelines were systematically reviewed. Results A total of 19 studies (1005 patients) were included in this review. Across all studies, 58.5% of the MIBO checklist items for PRP were reported. Out of 47 checklist items, 19 were reported in over 85% of studies, whereas 22 were reported in less than half of studies. Details of whole-blood processing and characteristics, as well as PRP processing and characteristics, were reported inconsistently, and no study provided adequate information to enable the precise replication of preparation protocols for PRP. Conclusion This systematic review highlights the current reporting deficiencies within the scientific literature of important variables for evaluating PRP for full-thickness rotator cuff repair. There was widespread variability among published studies that evaluate PRP for this application and, more specifically, studies were limited by inconsistent universal reporting of whole-blood and PRP processing and postprocessing characteristics. To improve our understanding of biologic efficacy and to promote repeatability, stricter adherence to the MIBO guidelines is necessary. We propose that the checklist limitations be addressed and that modification of the MIBO guidelines be considered to improve the reporting of individual components within certain categories.
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Affiliation(s)
- Madeleine G DeClercq
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| | - Alyson M Fiorentino
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| | | | | | - Sara K Robinson
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| | - Verena T Oberlohr
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| | - Kaitlyn E Whitney
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| | | | - Johnny Huard
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
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29
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Nelson GB, McMellen CJ, Kolaczko JG, Millett PJ, Gillespie RJ, Su CA. Immunologic Contributions Following Rotator Cuff Injury and Development of Cuff Tear Arthropathy. JBJS Rev 2021; 9:01874474-202111000-00006. [PMID: 34757960 DOI: 10.2106/jbjs.rvw.21.00126] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
» Rotator cuff tear arthropathy (RCTA) describes a pattern of glenohumeral degenerative changes following chronic rotator cuff tears that is characterized by superior humeral head migration, erosion of the greater tuberosity of the humeral head, contouring of the coracoacromial arch to create a socket for the humeral head, and eventual glenohumeral arthritis. » Acute and chronic inflammatory changes following rotator cuff tears are thought to contribute to cartilage damage, muscle fibrosis, and fatty infiltration in the glenohumeral joint. » In vitro animal studies targeting various inflammatory modulators, including macrophages, insulin-like growth factor-I, and transforming growth factor-beta pathways, provide promising therapeutic targets to improve healing after rotator cuff tears. » The role of platelet-rich plasma in the treatment and prevention of RCTA has been investigated, with conflicting results.
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Affiliation(s)
- Grant B Nelson
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Christopher J McMellen
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Jensen G Kolaczko
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | | | - Robert J Gillespie
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Charles A Su
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, Ohio
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30
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Parisien RL, Ehlers C, Cusano A, Tornetta P, Li X, Wang D. The Statistical Fragility of Platelet-Rich Plasma in Rotator Cuff Surgery: A Systematic Review and Meta-analysis. Am J Sports Med 2021; 49:3437-3442. [PMID: 33646884 DOI: 10.1177/0363546521989976] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The practice of evidence-based medicine relies on objective data to guide clinical decision-making with specific statistical thresholds conveying study significance. PURPOSE To determine the utility of applying the fragility index (FI) and the fragility quotient (FQ) analysis to randomized controlled trials (RCTs) evaluating the utilization of platelet-rich plasma (PRP) in rotator cuff repairs (RCRs). STUDY DESIGN Systematic review and meta-analysis. METHODS RCTs pertaining to the utilization of PRP in surgical RCRs published in 13 peer-reviewed journals from 2000 to 2020 were evaluated. The FI was determined by manipulating each reported outcome event until a reversal of significance was appreciated. The associated FQ was determined by dividing the FI by the sample size. RESULTS Of the 9746 studies screened, 19 RCTs were ultimately included for analysis. The overall FI incorporating all 19 RCTs was only 4, suggesting that the reversal of only 4 events is required to change study significance. The associated FQ was determined as 0.092. Of the 43 outcome events reporting lost to follow-up data, 13 (30.2%) represented lost to follow-up >4. CONCLUSION Our analysis suggests that RCTs evaluating PRP for surgical RCRs may lack statistical stability with only a few outcome events required to alter trial significance. Therefore, we recommend the reporting of an FI and an FQ in conjunction with P value analysis to carefully interpret the integrity of statistical stability in future comparative trials. CLINICAL RELEVANCE Clinical decisions are often informed by statistically significant results. Thus, a true understanding of the robustness of the statistical findings informing clinical decision-making is of critical importance.
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Affiliation(s)
| | - Cooper Ehlers
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Paul Tornetta
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Xinning Li
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Dean Wang
- University of California at Irvine, Irvine, California, USA
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31
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Ryan JM, Imbergamo C, Sudah S, Kirchner G, Greenberg P, Monica J, Gatt C. Platelet-Rich Product Supplementation in Rotator Cuff Repair Reduces Retear Rates and Improves Clinical Outcomes: A Meta-analysis of Randomized Controlled Trials. Arthroscopy 2021; 37:2608-2624. [PMID: 33744318 PMCID: PMC8349828 DOI: 10.1016/j.arthro.2021.03.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this study was to conduct a comprehensive systematic review and meta-analysis to investigate the clinical and imaging outcomes of all 4 types of platelet-rich therapies (pure platelet-rich plasma [P-PRP], leukocyte and platelet-rich plasma, pure platelet-rich fibrin, and leukocyte and platelet-rich fibrin) in rotator cuff repairs. METHODS A systematic literature search was performed to identify rotator cuff tears comparing any of the 4 types of platelet-rich products (PRP) to a control in rotator cuff repair. Data extracted from the studies included retear rates diagnosed with imaging studies, as well as outcome scores such as Constant, American Shoulder and Elbow Surgeons (ASES), University of California Los Angeles (UCLA), Simple Shoulder Test (SST), and visual analog scale (VAS). Meta-analyses compared postoperative outcome scores and retear rates between the control and study groups. RESULTS Seventeen studies were included in the meta-analysis. When pooling data from all studies, retear rate for the treatment group was 19.3%, compared to 25.4% for the control group (odds ratio [OR] 0.59, P = .0037). When stratified based on PRP type, only P-PRP resulted in a significant reduction in retear rate (OR 0.26, P = .0005). Overall, treatment with PRP significantly improved Constant scores when compared to controls (mean difference [MD] 2.41, P =.0027), as well as VAS scores (MD -0.12, P = .0014), and SST scores (MD 0.41, P = .0126). There was no significant difference in ASES scores (MD 0.37, P = .7762) or UCLA scores (MD 0.76, P =0.2447) between treatment and controls when pooling data from all studies. CONCLUSIONS This analysis demonstrates significant reductions in retear rates when rotator cuff repair is augmented with PRP. P-PRP appears to be the most effective formulation, resulting in significantly improved retear rates and clinical outcome scores when compared with controls.
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Affiliation(s)
- James M Ryan
- Rutgers Robert Wood Johnson Medical School, New Brunswick,
NJ
| | - Casey Imbergamo
- Rutgers Robert Wood Johnson Medical School, New Brunswick,
NJ
| | | | | | | | - James Monica
- Rutgers Robert Wood Johnson Medical School, New Brunswick,
NJ
| | - Charles Gatt
- Rutgers Robert Wood Johnson Medical School, New Brunswick,
NJ
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32
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Xu W, Xue Q. Application of Platelet-Rich Plasma in Arthroscopic Rotator Cuff Repair: A Systematic Review and Meta-analysis. Orthop J Sports Med 2021; 9:23259671211016847. [PMID: 34345632 PMCID: PMC8283084 DOI: 10.1177/23259671211016847] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 02/03/2021] [Indexed: 12/17/2022] Open
Abstract
Background: It is unclear how and which factors affect the clinical efficacy of
platelet-rich plasma (PRP) applied during arthroscopic rotator cuff
repair. Purpose: To evaluate the clinical efficacy of PRP for arthroscopic repair of
full-thickness rotator cuff tear and investigate the factors that affect its
clinical efficacy. Study Design: Systematic review; Level of evidence, 1. Methods: We searched Cochrane Library, EMBASE, MEDLINE, and OVID to identify
randomized controlled trials (RCTs) of patients who received PRP treatment
and arthroscopic rotator cuff repair (PRP group) versus controls (no-PRP
group). The primary outcomes included retear rate, Constant-Murley score,
University of California Los Angeles (UCLA) score, short-term American
Shoulder and Elbow Surgeons (ASES) score, visual analog scale (VAS) score
for pain, and adverse events. Results: A total of 14 RCTs were included in this systematic review. Significant
improvement in Constant-Murley, UCLA, and VAS pain scores were found in the
PRP group during short-term, midterm, and long-term follow-up. The PRP group
had a significantly decreased retear rate (risk ratio [RR], 0.57 [95% CI,
0.42 to 0.78]; P = .0003), especially for long-term
follow-up (RR, 0.38 [95% CI, 0.17 to 0.83]; P = .02), large
to massive tears (RR, 0.58 [95% CI, 0.42 to 0.80]; P =
.0008), use of leukocyte-poor PRP (RR, 0.50 [95% CI, 0.33 to 0.76];
P = .001), and intraoperative application of PRP (RR,
0.57 [95% CI, 0.42 to 0.79]; P = .0007). No significant
difference between the 2 groups was found in the incidence of adverse events
(RR, 1.34 [95% CI, 0.83 to 2.15]; P = .23) or in ASES
scores at short-term follow-up (weighted mean difference, 1.04 [95% CI,
–3.10 to 5.19]; P = .62). Conclusion: The results of this review indicated that arthroscopic rotator cuff repair
with PRP significantly reduced the long-term retear rate and shoulder pain
and provided improved long-term shoulder function in patients.
Intraoperative application of PRP, use of leukocyte-poor plasma, and large
to massive tear size contributed to a significantly decreased retear rate
for rotator cuff repair combined with PRP.
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Affiliation(s)
- Wennan Xu
- Orthopaedics Department, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, PR China
| | - Qingyun Xue
- Orthopaedics Department, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, PR China
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33
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Hurley ET, Colasanti CA, Anil U, Luthringer TA, Alaia MJ, Campbell KA, Jazrawi LM, Strauss EJ. The Effect of Platelet-Rich Plasma Leukocyte Concentration on Arthroscopic Rotator Cuff Repair: A Network Meta-analysis of Randomized Controlled Trials. Am J Sports Med 2021; 49:2528-2535. [PMID: 33332160 DOI: 10.1177/0363546520975435] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND It is unclear whether leukocyte-poor (LP) or leukocyte-rich (LR) varieties of platelet-rich plasma (PRP) as an adjuvant to arthroscopic rotator cuff repair (ARCR) result in improved tendon healing rates. PURPOSE To perform a network meta-analysis of the randomized controlled trials in the literature to ascertain whether there is evidence to support the use of LP- or LR-PRP as an adjunct to ARCR. METHODS The literature search was based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Randomized controlled trials comparing LP- or LR-PRP with a control alongside ARCR were included. Clinical outcomes, including retears and functional outcomes, were compared using a frequentist approach to network meta-analysis, with statistical analysis performed using R. The treatment options were ranked using the P-score. RESULTS There were 13 studies (868 patients) included, with 9 studies comparing LP-PRP with a control and 4 studies comparing LR-PRP with a control. LP-PRP was found to significantly reduce the rate of retear and/or incomplete tendon healing after fixation, even among medium-large tears; it also improved outcomes on the visual analog scale for pain, Constant score, and University of California Los Angeles score. LP-PRP had the highest P-score for all treatment groups. LR-PRP did not result in any significant improvements over the control group, except for visual analog scale score for pain. However, post hoc analysis revealed that LP-PRP did not lead to significant improvements over LR-PRP in any category. CONCLUSION The current study demonstrates that LP-PRP reduces the rate of retear and/or incomplete tendon healing after ARCR and improves patient-reported outcomes as compared with a control. However, it is still unclear whether LP-PRP improves the tendon healing rate when compared with LR-PRP.
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Affiliation(s)
| | | | - Utkarsh Anil
- New York University Langone Health, New York, New York, USA
| | | | | | | | | | - Eric J Strauss
- New York University Langone Health, New York, New York, USA
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34
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The interaction between human rotator cuff tendon and subacromial bursal tissue in co-culture. J Shoulder Elbow Surg 2021; 30:1494-1502. [PMID: 33197595 DOI: 10.1016/j.jse.2020.09.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/07/2020] [Accepted: 09/21/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND The role of subacromial bursa in rotator cuff pathology is unclear. Along with recognized inflammatory potential, current data demonstrate the presence of mesenchymal stem cells and potential regenerative properties of the bursa. The purpose of this study was to (1) approximate an in vitro co-culture model that represents interaction between torn rotator cuff tendon and subacromial bursa, (2) quantify the cellular activity of tendon and bursa and their interactions, (3) use this model to induce a state of inflammation present with rotator cuff pathology. METHODS In part 1, tendon and bursa samples were obtained from 6 patients undergoing rotator cuff repair. Tendon and bursa were cultured alone and together in co-culture wells for 21 days. Markers specific for tenocyte gene expression (tenascin C, decorin, etc) were measured in both tendon and bursa alone and compared to co-culture models. In part 2 of the study, an inflammatory state was induced with interleukin-1β treatment, and markers of inflammation were measured via protein assay at 0 and 21 days in samples from 7 additional patients. RESULTS There was an increase in tendon and bursa markers in nearly all groups as evidenced by increased gene expression of known tendon and bursa markers. There was a significant increase in gene expression when torn tendon was co-cultured with bursa compared with culturing alone. Additionally, a state of inflammation was induced as evidenced by increased markers of inflammation, inflammatory protein concentration, and inflammatory cells and disruption of histologic morphology. CONCLUSION There is a clear interaction between rotator cuff tendon and the milieu produced by the subacromial bursa in this in vitro co-culture system that is significantly different when compared to an isolated culture of tendon and bursa. This system was successfully used to induce a state of inflammation that may represent in vivo inflammation. This in vitro model of rotator cuff pathology can aid investigators in testing effects of agents proposed to improve rotator cuff healing. This can lead to further knowledge regarding effective treatment options.
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Villarreal-Villarreal GA, Simental-Mendía M, Garza-Borjón AE, Millán-Alanís JM, Vilchez-Cavazos F, Peña-Martínez VM, Acosta-Olivo CA. Double-Row Rotator Cuff Repair Enhanced With Platelet-Rich Therapy Reduces Retear Rate: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Arthroscopy 2021; 37:1937-1947.e1. [PMID: 33359156 DOI: 10.1016/j.arthro.2020.12.191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To assess retear rates in arthroscopic double-row rotator cuff repair (double-row RCR) with and without platelet-rich therapy (PRT). METHODS Systematic review and meta-analysis of randomized controlled trials (RCTs). MEDLINE, Embase, and Scopus databases were searched for RCTs involving use of PRT exclusively in arthroscopic double-row RCR. A random-effects model and the generic inverse variance method were used for quantitative data synthesis. Heterogeneity was tested with the I2 statistic index. RESULTS The 9 RCTs included in the meta-analysis demonstrated a risk reduction of 49% for retears in patients receiving PRT (risk ratio [RR] 0.51; 95% confidence interval [CI] 0.35 to 0.76; P = .0008; I2 = 0%). Divided by tear sizes, retear risk reduction of 47% (RR 0.53; 95% CI 0.30 to 0.95; P = .03; I2 = 0%) was found in small to medium tears and 51% (RR 0.49; 95% CI 0.29 to 0.84; P = .009; I2 = 0%) in large to massive tears. Linked double-row RCR resulted in risk reduction of 51% for retears in comparison with nonlinked repairs. CONCLUSION Double-row RCR plus PRT significantly reduced retear rates in all sizes of rotator cuff tears. Linked double-row RCR and applying the PRT during the surgical procedure and in the tendon-bone interface reproduced the best outcomes. Clinically, all patients improved, and no statistically significant difference was seen in clinical and functional scores between the intervention groups. All patients achieved optimal values for patient-reported outcomes measures. LEVEL OF EVIDENCE I, systematic review and meta-analysis of level I studies.
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Affiliation(s)
- Gregorio Alejandro Villarreal-Villarreal
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Mario Simental-Mendía
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Abiel Eugenio Garza-Borjón
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Juan Manuel Millán-Alanís
- Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Plataforma Invest-KER Unit Mexico, Monterrey, Mexico
| | - Félix Vilchez-Cavazos
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Víctor Manuel Peña-Martínez
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Carlos Alberto Acosta-Olivo
- Orthopedics and Traumatology Service, Facultad de Medicina y Hospital Universitario Dr. José Eleuterio González, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico.
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Zhao D, Han YH, Pan JK, Yang WY, Zeng LF, Liang GH, Liu J. The clinical efficacy of leukocyte-poor platelet-rich plasma in arthroscopic rotator cuff repair: a meta-analysis of randomized controlled trials. J Shoulder Elbow Surg 2021; 30:918-928. [PMID: 33220417 DOI: 10.1016/j.jse.2020.10.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 10/07/2020] [Accepted: 10/15/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND The efficacy of platelet-rich plasma (PRP) in the arthroscopic treatment of rotator cuff injury has been reported in the literature. However, conclusions have been inconsistent and more often related to differences in the types of PRP used. Therefore, to minimize these differences, we performed a meta-analysis of only studies investigating leukocyte-poor PRP to evaluate whether PRP promotes and improves the effects of arthroscopic rotator cuff repair. METHODS A comprehensive search of the PubMed, Embase, and Cochrane Library databases was conducted to evaluate the efficacy of leukocyte-poor PRP in arthroscopic rotator cuff repair. The available data were extracted, and the methodologic quality of the included studies was evaluated by the Cochrane risk-of-bias assessment tool. RESULTS In total, 10 randomized controlled trials involving 742 patients were included. The results of the meta-analysis showed that treatment with leukocyte-poor PRP performed better than the control treatment in relieving postoperative pain in the short-term (mean difference [MD], -0.57; 95% confidence interval [CI], -0.79 to -0.35; P < .0001) and medium- and long-term (MD, -0.18; 95% CI, -0.34 to -0.03; P = .02) follow-up groups. However, the changes in the MD in the visual analog scale score were below the minimal clinically important difference. Regarding the Constant shoulder (MD, 3.35; 95% CI, 1.68-5.02; P < .0001) and University of California, Los Angeles (MD, 1.73; 95% CI, 0.94-2.52; P < .0001) scores, statistically significant differences were found in favor of leukocyte-poor PRP over the control treatment. However, the changes in the MD in both the Constant and University of California, Los Angeles scores were below the minimal clinically important difference. Moreover, during medium- and long-term follow-up, the retear rate in the leukocyte-poor PRP group was lower than that in the control group regardless of the rotator cuff tear size (small and medium [<3 cm] [risk ratio (RR), 0.64; 95% CI, 0.43-0.97; P = .03] vs. medium and large [>3 cm] [RR, 0.51; 95% CI, 0.34-0.77; P = .001]) and surgical repair method (single-row repair [RR, 0.61; 95% CI, 0.43-0.87; P = .007] vs. double-row suture bridge repair [RR, 0.57; 95% CI, 0.38-0.84; P = .005]). CONCLUSION According to our study, leukocyte-poor PRP can significantly reduce the postoperative retear rate in the medium and long term regardless of the tear size and the method used for rotator cuff repair. However, the use of leukocyte-poor PRP failed to show clinically meaningful effects in terms of postoperative pain and patient-reported outcomes.
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Affiliation(s)
- Di Zhao
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yan-Hong Han
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jian-Ke Pan
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei-Yi Yang
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ling-Feng Zeng
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Gui-Hong Liang
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Jun Liu
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China.
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Zhang C, Wang J, Wang L, Xie Y, Sun F, Jiang W, Miyamoto A, Lei L. The effect of physiotherapy in rotator cuff injury patients with platelet-rich plasma: study protocol of a non-randomized controlled trial. BMC Musculoskelet Disord 2021; 22:292. [PMID: 33743650 PMCID: PMC7981950 DOI: 10.1186/s12891-021-04171-2] [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: 02/02/2021] [Accepted: 03/15/2021] [Indexed: 11/10/2022] Open
Abstract
Background The study aims to identify whether Platelet-rich plasma (PRP) combined with early physiotherapy has an advantage over PRP alone for rotator cuff injury patients, regarding pain release, function score, tear size, and quality of life improvement. Methods This is a single-center prospective non-randomized study implemented in July 2019 at the Affiliated Hospital of Southwest Medical University in Sichuan. Three hundred-forteen patients with rotator cuff injury aged over 18 years were recruited. Participants were assigned to the experiment group (PRP plus physiotherapy) or control group (PRP) by their desire. We used the Constant-Murley score to assess the shoulder function, the Visual Analogue Scale to evaluate shoulder pain, and the MOS Item Short-form Health Survey (SF-12) to measure the quality of life. MRI was applied to measure tear size, and the follow-up duration is 12 months. Discussion Our findings will give information on the effects of PRP and physiotherapy on rotator cuff injuries. Physiotherapy might be added to improve the effects of PRP in patients with rotator cuff injuries. Trial registration This study was registered in the Chinese clinical trial registry on September 1st, 2019 (ChiCTR1900025563). Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04171-2.
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Affiliation(s)
- Chi Zhang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Jianxiong Wang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Li Wang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Yujie Xie
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Fuhua Sun
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Wei Jiang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China.,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Akira Miyamoto
- Department of Physical Therapy, Faculty of Rehabilitation of Kobe International University, Kobe, Japan
| | - Lei Lei
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, 25 Tai Ping Road, Luzhou, Sichuan, 646000, People's Republic of China. .,Rehabilitation Medicine Department, The Southwest Medical University, Luzhou, Sichuan, People's Republic of China.
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Clinical Evaluations of Intraoperative Injection of Platelet-Rich Plasma in Arthroscopic Single-Row Rotator Cuff Repair at 2-Year Follow-Up. BIOMED RESEARCH INTERNATIONAL 2021. [DOI: 10.1155/2021/6675097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background. The clinical evidence is conflicted on whether platelet-rich plasma (PRP) therapies have a positive effect on tendon healing and improved functional outcomes. Purpose. To evaluate the potentials of intraoperative injection PRP on the speed and quality of healing in patients undergoing arthroscopic repair for small to medium rotator cuff tears. Methods. A total of 86 patients scheduled for arthroscopic single-row repair of small to medium rotator cuff tears were assigned to undergo either PRP injection (PRP group) or conventional repair (control group). The PRP group (
) consisted of patients who received an intraoperative injection of liquid PRP. The control group (
) consisted of patients who did not receive that treatment. The visual analogue scale (VAS) for pain before treatment and at 1, 14 days, 3, 6, and 24 months after surgery were recorded. The clinical outcomes were assessed by the University of California, Los Angeles (UCLA) and Constant scores before treatment and at 3, 6, and 24 months after surgery and magnetic resonance imaging or ultrasound examination at 24 months. Patient satisfaction and retear rate were also assessed. Results. No statistical differences in baseline characteristics such as age, gender, dominant arm, and tear size were observed between the two groups (
). For the PRP group, the mean operation time was 40.22 minutes, and for the control group, the mean operation time was 36.3 minutes. There was a statistically significant difference (
). After surgery, all VAS measurements significantly decreased over time until final follow-up in both groups. No significant difference between the 2 groups was found for any VAS pain measurement at any time point except for the VAS at 1 day postoperatively, which was significantly lower in the PRP group (
) than that in the control group (
) (
). Analysis of the PRP and control groups demonstrated a statistically significant improvement in UCLA and Constant scores from baseline to the 3-, 6-, and 24-month follow-up assessments (
). However, no significant intergroup differences were observed in the clinical scores between the three follow-up time points (
). At the 24-month follow-up, patient satisfaction rates reached 95.65% and 93.48% for the PRP and control groups, respectively. The retear rate of the PRP group (2/43, 4.65%) was lower than that of the control group (6/43, 13.95%). Conclusions. Although the pain at 1 day after surgery and the retear rate in the PRP group were significantly lower than those in the control group, the liquid PRP injection did not promote better clinical outcomes at the 2-year follow-up.
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Jo CH, Lee SY, Yoon KS, Oh S, Shin S. Allogeneic Platelet-Rich Plasma Versus Corticosteroid Injection for the Treatment of Rotator Cuff Disease: A Randomized Controlled Trial. J Bone Joint Surg Am 2020; 102:2129-2137. [PMID: 33044249 DOI: 10.2106/jbjs.19.01411] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The use of platelet-rich plasma (PRP) for the treatment of rotator cuff disease is still controversial. The purpose of the present study was to investigate the safety and efficacy of a fully characterized allogeneic pure PRP injection into the subacromial space of patients with rotator cuff disease in comparison with corticosteroid injection. METHODS A 2-group, parallel, assessor-blinded, randomized controlled trial was conducted. A total of 60 patients with clinically and structurally diagnosed rotator cuff disease were randomly assigned to receive a subacromial injection of either 4 mL of allogeneic pure PRP or a 4-mL mixture of 1 mL of 40-mg/mL triamcinolone acetonide and 3 mL of 2% lidocaine under ultrasonographic guidance. The primary outcomes were safety and the Constant score at 1 month. The secondary outcomes were pain, range of motion, muscle strength, functional scores, and overall satisfaction and function. RESULTS There were no treatment-related adverse events. The Constant score at 1 month did not significantly differ between the PRP and corticosteroid groups. At 6 months, the DASH (Disabilities of the Arm, Shoulder and Hand) score, overall function, and external rotation were significantly better in the PRP group than in the corticosteroid group, and the other clinical outcomes did not show significant differences. All pain measurements, the strength of the supraspinatus and infraspinatus, and 5 functional scores also improved slowly and steadily after injection, becoming significantly better at 6 months compared with those before the injection, whereas those in the corticosteroid group responded promptly but did not further improve. CONCLUSIONS Allogeneic PRP injections for the treatment of rotator cuff disease are safe but are not definitely superior to corticosteroid injections with respect to pain relief and functional improvement during 6 months. The DASH score, overall function, and external rotation were significantly better in the PRP group than in the steroid group at 6 months. Generally, PRP slowly but steadily reduced pain and improved function of the shoulder until 6 months, whereas corticosteroid did not. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Chris Hyunchul Jo
- Departments of Orthopedic Surgery (C.H.J., S.Y.L., and K.S.Y.), Biostatistics (S.O.), and Laboratory Medicine (S.S.), SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
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El Gharbawy NH, Labib HS. Role of Platelet Rich Plasma (PRP) injection in treatment of rotator cuff tear. EGYPTIAN RHEUMATOLOGY AND REHABILITATION 2020. [DOI: 10.1186/s43166-020-00032-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Abstract
Background
One of the commonest causes of shoulder pain and disability is partial thickness tear of the rotator cuff. Platelet-rich plasma (PRP) therapy is a volume of the plasma fraction of autologous blood that has platelet concentration above the baseline. It is theorized that PRP may help stimulate the development of normal-appearing histologic tissue characteristics at the repair site and improve clinical outcomes. Our purpose is to assess the efficacy of PRP therapy in treatment of rotator cuff tear. This prospective single-center study involved 30 patients (aged 31.7 ± 7.7 years, 63.3% males) complaining of symptomatic rotator cuff tear. Platelet-rich plasma (PRP) injection was done to all patients. Before and after injection of PRP, scoring was done using visual analog score, Shoulder Pain and Disability Index (SPADI), and musculoskeletal ultrasound scoring of the tear. Reassessment was done 4 weeks after the injections.
Results
The pre-injection VAS pain score was 7.1 ± 0.99 after injection, and it became 3.7 ± 1.09. Also, SPADI score decreased from 78.03 ± 8.25 pre-injection to 42.1 ± 13.97 post-injection. There was a highly statistically significant difference in VAS pain score and SPADI score before and after PRP injection (p < 0.001). There was highly statistically significant positive correlation between the improvement of US grading score change and the improvement of VAS score change, and between it and SPADI improvement change (r = 0.695, p < 0.001 and r = 0.693, p < 0.001, respectively). There was a highly statistically significant difference between US grading score before and after PRP injection (p < 0.001).
Conclusion
PRP can be considered an effective method for treatment of rotator cuff tear and less invasive compared to surgical treatment. It improves the pain, shoulder function, and tear size.
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Anz HA, Ahmad HA, Kozemchak AM, Rao M, Warth RJ, Harner CD. Funding sources are under-reported in randomised clinical trials of biological treatments in sports medicine: a systematic review. J ISAKOS 2020. [DOI: 10.1136/jisakos-2020-000452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Goldenberg BT, Lacheta L, Dekker TJ, Spratt JD, Nolte PC, Millett PJ. Biologics to Improve Healing in Large and Massive Rotator Cuff Tears: A Critical Review. Orthop Res Rev 2020; 12:151-160. [PMID: 33116954 PMCID: PMC7568683 DOI: 10.2147/orr.s260657] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/24/2020] [Indexed: 01/08/2023] Open
Abstract
Large and massive rotator cuff tears have the highest risk of retear. Common biologic modalities that can potentially reduce the retear rate and improve healing include platelet-rich plasma (PRP), scaffolds, and mesenchymal stem cells (MSCs). PRP has been studied for its role in improving rotator cuff healing and results of randomized controlled trials and meta-analyses show mixed results. Most studies in large and massivge tears show that PRP decreases the retear rate, but the connection between structural integrity and clinical outcomes is still unknown. Extracellular matrix (ECM) and synthetic scaffolds can increase healing in augmentation and bridging repair. Acellular dermal allografts have shown better healing rates and outcomes than xenografts in meta-analyses. Synthetic scaffolds augmented with bone marrow-derived stem cells have only been studied in vitro but are promising for the combination of mechanical stability and induction of a biological response. Superior capsule reconstruction is an exciting type of interposition graft reconstruction that has shown favorable early clinical outcomes for large and massive tears. Bone marrow-derived stem cells and adipose-derived stem cells improve the biomechanical characteristics of tendon repair and enhance the histological findings of the healing process in animal studies. However, evidence from human studies is lacking, especially in patients with large and massive tears. In summary, there are many biological options to augment rotator cuff repair in patients with large and massive tears. Due to mixed results and a lack of standardization in high-quality studies, we cannot recommend PRP at this time as an adjunct to rotator cuff repair. Both ECM and synthetic scaffolds, as well as SCR, can be used, especially in situations where native tendon is compromised, and additional mechanical augmentation is needed. Stem cells have been the least studied to date, so it is difficult to give recommendations for or against their use at this time.
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Affiliation(s)
| | - Lucca Lacheta
- Steadman-Philippon Research Institute, Vail, CO 81657, USA.,Center for Musculoskeletal Surgery, Charitè Universitaetsmedizin Berlin, Berlin, Germany
| | - Travis J Dekker
- Department of Orthopaedic Surgery, Eglin Air Force Base, Elgin, FL, USA
| | - James D Spratt
- Steadman-Philippon Research Institute, Vail, CO 81657, USA
| | - Philip C Nolte
- Steadman-Philippon Research Institute, Vail, CO 81657, USA
| | - Peter J Millett
- Steadman-Philippon Research Institute, Vail, CO 81657, USA.,The Steadman Clinic, Vail, CO 81657, USA
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Effects of applying platelet-rich plasma during arthroscopic rotator cuff repair: a systematic review and meta-analysis of randomised controlled trials. Sci Rep 2020; 10:17171. [PMID: 33057143 PMCID: PMC7560855 DOI: 10.1038/s41598-020-74341-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 09/25/2020] [Indexed: 02/07/2023] Open
Abstract
Because of its healing properties, platelet-rich plasma (PRP) has been applied to the bone-tendon interface during arthroscopic rotator cuff repair to improve surgical outcomes. However, its effects remain ambiguous. Therefore, we conducted this systematic review and meta-analysis to assess the effects of PRP on retear rate and functional outcomes. Randomised control trials were identified and extracted. Data collection was completed on 15 February 2020. The results are expressed as the risk ratio (RR) for the categorical variables and weighted mean difference for the continuous variables, with 95% confidence intervals (CIs). Analyses were performed using RevMan 5.3 software. Seven randomised controlled trials published from 2013 to 2018, with 541 patients in total, were included. The results revealed a significant decrease in retear rate [RR 0.38, 95% CI (0.22, 0.68), P = 0.0009). Furthermore, a significant improvement was observed regarding short-term Constant score [mean difference = 3.28, 95% CI (1.46, 5.11), P = 0.0004), short-term University of California at Los Angeles activity score [mean difference = 1.60, 95% CI (0.79, 2.42), P = 0.0001], and short-term visual analogue scale score [mean difference = - 0.14, 95% CI (- 0.23, - 0.05), P = 0.002]. This systematic review indicates the efficacy of PRP when applied to the bone-tendon interface during arthroscopic rotator cuff repair.
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A Historical Analysis of Randomized Controlled Trials in Rotator Cuff Tears. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17186863. [PMID: 32962199 PMCID: PMC7558823 DOI: 10.3390/ijerph17186863] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/16/2022]
Abstract
Background and objectives: Our research aimed to evaluate the quality of reporting of randomized controlled trials (RCTs) linked to rotator cuff (RC) tears. The present study analyzed factors connected to the quality of the RCTs and trends in the quality of reporting through time. Materials and Methods: The online databases used to search all RCTs on the topic of RC surgery completed until March 2020 were PubMed and Ovid (MEDLINE). The quality of reporting was evaluated using the modified Coleman methodology score (MCMS) and the consolidated standards of reporting trials (CONSORT). Results: The online search found 957 articles. Finally, 183 studies were included in the quantitative synthesis. A total of 97 (53%) of 183 studies had a level of evidence I and 86 (47%) of 183 studies had a level of evidence II, according to the Oxford Center of Evidence Based Medicine (EBM). A statistically significant difference in MCMS between articles written before 2010 and articles written after 2010 was found. Articles written after 2010 had, on average, the highest Coleman score. The average number of CONSORT checklist items for each article across all analyzed RCTs was 21.67. The 37 studies completed up to 2010 averaged a number of checklist items of 19.97 and the studies completed between 2011 and 2019 averaged a number of checklist items of 22.10. A statistically significant difference in the number of checklist items between articles written before 2010 and articles written after 2010 was found. Articles written after 2010 had on average more checklist items. However, low correlation (0.26) between the number of checklist items for each article and the respective Coleman score was found. On the other hand, articles with the CONSORT diagram had a significantly high Coleman score. Conclusions: An improvement in the quantity and quality of RCTs relating to RC surgery over the analyzed period was found.
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Chen XT, Fang WH, Vangsness CT. Efficacy of Biologics for Ligamentous and Tendon Healing. OPER TECHN SPORT MED 2020. [DOI: 10.1016/j.otsm.2020.150755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Rationale for the Use of Orthobiologics in Sports Medicine. OPER TECHN SPORT MED 2020. [DOI: 10.1016/j.otsm.2020.150753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Systematic Review-The Potential Implications of Different Platelet-Rich Plasma (PRP) Concentrations in Regenerative Medicine for Tissue Repair. Int J Mol Sci 2020; 21:ijms21165702. [PMID: 32784862 PMCID: PMC7460839 DOI: 10.3390/ijms21165702] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022] Open
Abstract
The number of studies evaluating platelet-rich plasma (PRP) concentration has substantially grown in the last fifteen years. A systematic review on this field has been realized by evaluating in the identified studies the in vitro PRP concentration—also analyzing the platelet amount—and the in vivo PRP effects in tissue regeneration compared to any control. The protocol has been developed in agreement with the Preferred Reporting for Items for Systematic Reviews and Meta-Analyses-Protocols (PRISMA-P) guidelines. Multistep research of the PubMed, MEDLINE, Embase, PreMEDLINE, Ebase, CINAHL, PsycINFO, Clinicaltrials.gov, Scopus database and Cochrane databases has permitted to identify articles on different concentrations of PRP in vitro and related in vivo impact for tissue repair. Of the 965 articles initially identified, 30 articles focusing on PRP concentration have been selected and, consequently, only 15 articles have been analyzed. In total, 40% (n = 6) of the studies were related to the fixed PRP Concentration Group used a fixed PRP concentration and altered the platelet concentration by adding the different volumes of the PRP (lysate) to the culture. This technique led to a substantial decrease in nutrition available at higher concentrations. Sixty percent (n = 9) of the studies were related to the fixed PRP Volume Group that used a fixed PRP-to-media ratio (Vol/Vol) throughout the experiment and altered the concentration within the PRP volume. For both groups, when the volume of medium (nutrition) decreases, a lower rate of cell proliferation is observed. A PRP concentration of 1.0 × 106 plt/μL, appears to be optimal thanks to the constant and plentiful capillary nutrition supply and rapid diffusion of growth factors that happen in vivo and it also respects the blood decree-law. The PRP/media ratio should provide a sufficient nutrition supply to prevent cellular starvation, that is, PRP ≤ 10% (Vol/Vol) and thus best mimic the conditions in vivo.
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Chen X, Jones IA, Togashi R, Park C, Vangsness CT. Use of Platelet-Rich Plasma for the Improvement of Pain and Function in Rotator Cuff Tears: A Systematic Review and Meta-analysis With Bias Assessment. Am J Sports Med 2020; 48:2028-2041. [PMID: 31743037 PMCID: PMC7234896 DOI: 10.1177/0363546519881423] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Many clinical trials have investigated the use of platelet-rich plasma (PRP) to treat rotator cuff-related abnormalities. Several meta-analyses have been published, but none have focused exclusively on level 1 randomized controlled trials. PURPOSE To assess the efficacy of PRP for rotator cuff-related abnormalities and evaluate how specific tendon involvement, the inclusion of leukocytes, and the use of gel/nongel formulations affect pain and functional outcomes. STUDY DESIGN Systematic review and meta-analysis. METHODS The literature was screened following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Baseline, short-term, and long-term data were extracted for the Constant score, University of California, Los Angeles (UCLA) score, visual analog scale (VAS) for pain, retear rate, Simple Shoulder Test (SST), and American Shoulder and Elbow Surgeons (ASES) score. The 100-point modified Coleman Methodology Score (CMS) was used to assess methodological quality. Funnel plots and the Egger test were used to screen for publication bias, and sensitivity analysis was performed to evaluate the effect of potential outliers. RESULTS A total of 18 level 1 studies were included in this review, 17 (1116 patients) of which could be included in quantitative analysis. The mean modified CMS was 79.4 ± 10.39. The Constant scores of patients who received PRP were significantly better short term (weighted mean difference [WMD], 2.89 [95% CI, 0.89-4.90]; P < .01) and long term (WMD, 2.66 [95% CI, 1.13-4.19]; P < .01). The VAS scores were significantly improved short term (WMD, -0.45 [95% CI, -0.75 to -0.15]; P < .01). Sugaya grade IV and V retears in PRP-treated patients were significantly reduced long term (odds ratio [OR], 0.34 [95% CI, 0.20-0.57]; P < .01). In PRP-treated patients with multiple tendons torn, there were reduced odds of retears (OR, 0.28 [95% CI, 0.13-0.60]; P < .01). Patients who received leukocyte-rich PRP had significantly better Constant scores compared with the leukocyte-poor PRP group, but there was no difference in VAS scores. Patients receiving PRP gel reported higher Constant scores compared with the controls, whereas those receiving nongel PRP treatments did not, although there was no difference in VAS scores. Long-term odds of retears were decreased, regardless of leukocyte content (leukocyte-poor PRP: OR, 0.36 [95% CI, 0.16-0.82]; leukocyte-rich PRP: OR, 0.32 [95% CI, 0.16-0.65]; all P < .05) or usage of gel (nongel: OR, 0.42 [95% CI, 0.23-0.76]; gel: OR, 0.17 [95% CI, 0.05-0.51]; all P < .01). CONCLUSION Long-term retear rates were significantly decreased in patients with rotator cuff-related abnormalities who received PRP. Significant improvements in PRP-treated patients were noted for multiple functional outcomes, but none reached their respective minimal clinically important differences. Overall, our results suggest that PRP may positively affect clinical outcomes, but limited data, study heterogeneity, and poor methodological quality hinder firm conclusions.
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Affiliation(s)
- Xiao Chen
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ian A. Jones
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ryan Togashi
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Caron Park
- Southern California Clinical and Translational Science Institute, Los Angeles, California, USA
| | - C. Thomas Vangsness
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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Chen XT, Jones IA, Park C, Vangsness CT. Use of Platelet-Rich Plasma for the Improvement of Pain and Function in Rotator Cuff Tears: Response. Am J Sports Med 2020; 48:NP39-NP41. [PMID: 32352334 DOI: 10.1177/0363546520918190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Cavendish PA, Everhart JS, DiBartola AC, Eikenberry AD, Cvetanovich GL, Flanigan DC. The effect of perioperative platelet-rich plasma injections on postoperative failure rates following rotator cuff repair: a systematic review with meta-analysis. J Shoulder Elbow Surg 2020; 29:1059-1070. [PMID: 32305103 DOI: 10.1016/j.jse.2020.01.084] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/09/2020] [Accepted: 01/21/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Platelet-rich plasma (PRP) has gained significant interest in recent years to potentially add biological augmentation of healing to surgical repairs of soft-tissue injuries. We sought to determine whether perioperative PRP injection influences the risk of failure following rotator cuff repair. METHODS A systematic search was performed in the Embase and PubMed databases and identified 16 randomized controlled trials or prospective cohort studies (1045 participants) reporting rates of failure, defined as a subsequent tear on postoperative imaging, after rotator cuff repair with or without perioperative PRP administration. A random-effects meta-analysis of the included studies was performed to determine the pooled effect of PRP administration on the postoperative failure risk. RESULTS Among the 16 studies investigating rotator cuff repairs, PRP augmentation resulted in a 25% reduction in the risk of repair failure, with low heterogeneity among the included studies. A significant protective effect was seen for studies of only small to medium tears (7 studies) (P = .007) and studies including large or massive tears (9 studies) (P < .001). CONCLUSIONS Intraoperative PRP reduces the failure risk following rotator cuff repair and has a consistent effect regardless of tear size. However, because of the variability in PRP preparations, a specific recommendation cannot be made.
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Affiliation(s)
- Parker A Cavendish
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Joshua S Everhart
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Alex C DiBartola
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Alexander D Eikenberry
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Gregory L Cvetanovich
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
| | - David C Flanigan
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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