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Dhillon J, Fasulo SM, Kraeutler MJ, Belk JW, McCulloch PC, Scillia AJ. The Most Common Rehabilitation Protocol After Matrix-Assisted Autologous Chondrocyte Implantation Is Immediate Partial Weight-Bearing and Continuous Passive Motion. Arthrosc Sports Med Rehabil 2022; 4:e2115-e2123. [PMID: 36579035 PMCID: PMC9791827 DOI: 10.1016/j.asmr.2022.09.007] [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: 04/03/2022] [Accepted: 09/06/2022] [Indexed: 11/19/2022] Open
Abstract
Purpose To perform a systematic review of postoperative rehabilitation protocols for third-generation autologous chondrocyte implantation (ACI) of the knee joint. Methods A systematic review was performed by searching PubMed, Cochrane Library, and EMBASE to locate randomized controlled trials that described a rehabilitation protocol following third-generation ACI of the knee joint. The search terms used were: "autologous" AND "chondrocyte" AND "randomized". Data extracted from each study included various components of postoperative rehabilitation, such as initial weight-bearing (WB) status and time to full WB, the use of continuous passive motion (CPM), the time to return to sports, and physical therapy (PT) modalities used and the timing of their initiation. Results Twenty-five studies (22 Level I, 3 Level II) met inclusion criteria, including a total of 905 patients undergoing treatment with ACI. The average patient age ranged from 29.1 to 54.8 years, and the mean follow-up time ranged from 3 months to 10.0 years. The average lesion size ranged from 1.9 to 5.8 cm2, and the most common lesion location was the medial femoral condyle (n = 494). Twenty studies allowed partial WB postoperatively with all studies permitting full WB within 12 weeks. Twenty studies used CPM in their rehabilitation protocols and initiated its use within 24 hours postoperatively. Among 10 studies that reported time to return to sport, 9 (90%) allowed return by 12 months. While most protocols used strength training as well as the inclusion of proprioceptive training, there was disagreement on the timing and inclusion of specific PT modalities used during the rehabilitation process. Conclusions Based on the included studies, most rehabilitation protocols for third-generation ACI initiate CPM within 24 hours postoperatively and allow partial WB immediately following surgery with progression to full WB within 12 weeks. There is variation of the PT modalities used as well as the timing of their initiation. Level of Evidence Level II, systematic review of Level I-II studies.
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Affiliation(s)
- Jaydeep Dhillon
- Rocky Vista University College of Osteopathic Medicine, Parker, Colorado U.S.A
| | - Sydney M. Fasulo
- Department of Orthopaedic Surgery, St. Joseph’s University Medical Center, Paterson, New Jersey U.S.A
| | - Matthew J. Kraeutler
- Department of Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, Texas U.S.A.,Address correspondence to Matthew J. Kraeutler, M.D., Department of Orthopedics & Sports Medicine, Houston Methodist Hospital, 6445 Main St., Suite 2300, Houston, TX 77030.
| | - John W. Belk
- University of Colorado School of Medicine, Aurora, Colorado U.S.A
| | - Patrick C. McCulloch
- Department of Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, Texas U.S.A
| | - Anthony J. Scillia
- Department of Orthopaedic Surgery, St. Joseph’s University Medical Center, Paterson, New Jersey U.S.A.,Academy Orthopaedics, Wayne, New Jersey, U.S.A
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Wang L, Li H, Cao Y, Song C, Chen Q, Hao J, Zhang W, Tian K. Four cases report: Treatment of knee joint cartilage defects using autologous chondrocyte patch implantation. Front Surg 2022; 9:1015091. [PMID: 36425890 PMCID: PMC9679023 DOI: 10.3389/fsurg.2022.1015091] [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: 08/09/2022] [Accepted: 10/18/2022] [Indexed: 08/30/2023] Open
Abstract
INTRODUCTION Autologous chondrocyte implantation (ACI) is a crucial method for the treatment of defects in articular cartilage. However, the extant methods for the preparation of autologous chondrocyte patch are relatively complicated and money-consuming. Therefore, an efficient, reliable, easy-to-follow, and cost-effective technique is needed to overcome constraints. This case report aims to introduce an autologous chondrocyte patch fabrication technique to repair knee joint cartilage defects and report our typical cases with a 2-year follow-up. CASE PRESENTATION We described four cases in which patients complained of knee joint pain. According to radiological examination, the patients were diagnosed as knee joint cartilage defect. Arthroscopy and autologous chondrocyte patch implantation were performed as well as a 2-year follow up of patients. The autologous chondrocyte patch for knee joint cartilage repair was fabricated using a "sandwich" technique. The preoperative and postoperative knee function was evaluated by four subjective evaluation systems. MRI was performed for all patients to achieve more intuitionistic observation of the postoperative radiological changes of defect sites. The quality of repaired tissue was evaluated by Magnetic Resonance Observation of Cartilage Repair Tissue (MOCART). Postoperative follow-up showed improvement in clinical and MOCART scores for all patients. However, one patient complained of knee joint pain after walking for a long time or recreational activities from 12- to 18-month postoperatively. The location of pain for this patient was not in accordance with the location of cartilage defect. CONCLUSION The patients undergoing autologous chondrocyte patch implantation demonstrated clinical improvement and good quality of repaired tissue postoperatively. The procedure is an efficient and cost-effective treatment for knee joint cartilage defect in this report. In addition, patients with osteoarthritis carry the risk of a poor outcome after the procedure, and whether to have a procedure should be considered carefully.
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Affiliation(s)
- Le Wang
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Han Li
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Yiguo Cao
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Cheng Song
- Department of Nuclear Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Qi Chen
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Jun Hao
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Weiguo Zhang
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Kang Tian
- Department of Joint and Sports Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, China
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Timing of postoperative weightbearing in the treatment of traumatic chondral injuries of the knee in athletes - A systematic review of current concepts in clinical practice. Asia Pac J Sports Med Arthrosc Rehabil Technol 2022; 27:1-8. [PMID: 35155127 PMCID: PMC8803964 DOI: 10.1016/j.asmart.2022.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/01/2022] [Accepted: 01/09/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Surgery aims to stimulate healing and enable a safe return to sport in athletes with symptomatic cartilage lesions of the knee. Timing of postoperative weightbearing is crucial, balancing a stimulation of the healing and avoiding reinjury.To explore current concepts of timing to partial and full weightbearing and rate of return to sport in athletes after articular cartilage surgery of the knee.Systematic Review of studies with level of evidence I-III. METHODS Four databases (Pubmed, Web of Science, Scopus and Embase) were searched using a predetermined keyword strategy. Two independent reviewers screened results according to inclusion and exclusion criteria. Modified Coleman Methodology Score (mCMS) was used for the quality assessment. RESULTS 5294 records were found. Data from ten studies was extracted after duplicate removal, title and abstract screening and full-text evaluation. Eight of the ten studies included a detailed rehabilitation protocol, including 336 out of a total athletic population of 401. 62% began partial weightbearing (PWB) 1-2 weeks postoperatively, while 38% began within 3-4 weeks. The studies that had a later PWB all returned to full weightbearing (FWB) within 6-8 weeks. One study with early PWB returned to early FWB, while the other two returned 10-12 weeks postoperatively. "Return to Sport" (RTS) was the most common reported outcome measure, with most studies reporting RTS at 80% or higher. CONCLUSION There is no clear evidence that the timing of weightbearing (WB) affects the outcome and return to sport in athletes after surgery for focal full-thickness cartilage lesions of the knee. On the other hand, there seems to be no adverse effects in adopting an early WB strategy, currently defined differently by different authors. Further studies directly comparing the timing of WB for specific surgical procedures in athletes and with relevant control groups is recommended. There is a need for a consensus in regard to more exactly defining "early" vs "late" weightbearing in relation to a universal and precisely defined state of healing.
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Ebert JR, Fallon M, Wood DJ, Janes GC. An accelerated 6-week return to full weight bearing after matrix-induced autologous chondrocyte implantation results in good clinical outcomes to 5 years post-surgery. Knee Surg Sports Traumatol Arthrosc 2021; 29:3825-3833. [PMID: 33459833 DOI: 10.1007/s00167-020-06422-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/15/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE To investigate the mid-term outcomes of an accelerated return to full weight bearing (WB) after matrix-induced autologous chondrocyte implantation (MACI). METHODS This randomized study allocated 35 patients (37 knees) to a 6 week (n = 18) or 8 week (n = 19) return to full WB after MACI. Patients were evaluated pre-operatively and at 1, 2 and minimum 5 years (range 5.5-7 years), using the KOOS, SF-36, visual analogue pain scale, 6-min walk test and active knee range of motion (ROM). Peak isokinetic knee extensor and flexor strength was assessed, with limb symmetry indices (LSIs) calculated. Magnetic resonance imaging (MRI) was undertaken to evaluate the repair tissue, and an MRI composite score was calculated. RESULTS While no group differences (n.s.) were observed, significant improvement was observed for all patient-reported outcome measures (p < 0.05), 6-min walk distance (p = 0.040), active knee flexion (p = 0.002) and extension (p < 0.0001) ROM, and the LSI for peak knee extensor strength (p < 0.0001). At final review, 87.5% (6 weeks) and 82.4% (8 weeks) of patients were satisfied overall. A non-significant decline (n.s.) was observed for the MRI composite score from 1-year post-surgery to final review, with no significant MRI-based differences (n.s.) between groups. At final review, two grafts (6-week n = 1, 8-week n = 1) demonstrated MRI-based graft failure, while an additional patient had progressed toward knee arthroplasty (8.1% failure rate at minimum 5 years). CONCLUSIONS The 6-week return to full WB after MACI provided comparable clinical and MRI-based outcomes beyond 5 years post-surgery, without jeopardizing the graft. This 6-week WB protocol is faster than those previously proposed and studied. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Jay R Ebert
- School of Human Sciences (Exercise and Sport Science), The University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia.
- HFRC Rehabilitation Clinic, 117 Stirling Highway, Nedlands, WA, 6009, Australia.
| | - Michael Fallon
- Perth Radiological Clinic, Subiaco, Perth, WA, 6008, Australia
| | - David J Wood
- School of Surgery (Orthopaedics), University of Western Australia, Crawley, Perth, WA, 6009, Australia
| | - Gregory C Janes
- Perth Orthopaedic and Sports Medicine Centre, West Perth, WA, 6005, Australia
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Crecelius CR, Van Landuyt KJ, Schaal R. Postoperative Management for Articular Cartilage Surgery in the Knee. J Knee Surg 2021; 34:20-29. [PMID: 33111278 DOI: 10.1055/s-0040-1718605] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The postoperative rehabilitation team plays a crucial role in optimizing outcomes after articular cartilage surgery. A comprehensive approach to postoperative physical therapy that considers the type of surgery, location in the knee, concurrent procedures, and patient-specific factors is imperative. While postoperative rehabilitation protocols should be specific to the patient and type of surgery performed and include phased rehabilitation goals and activities, the key principles for postoperative rehabilitation apply across the spectrum of articular cartilage surgeries and patients. These key principles consist of preoperative assessments that include physical, mental, and behavioral components critical to recovery; education and counseling with respect to expectations and compliance; and careful monitoring and adjustments throughout the rehabilitation period based on consistent communication among rehabilitation, surgical, and imaging teams to ensure strict patient compliance with restrictions, activities, and timelines to optimize functional outcomes after surgery.
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Affiliation(s)
- Cory R Crecelius
- Department of Orthopaedic Surgery Physical Therapy, University of Missouri, Columbia, Missouri.,University of Missouri Joint Preservation Center, Columbia, Missouri
| | - Karra J Van Landuyt
- Department of Orthopaedic Surgery Physical Therapy, University of Missouri, Columbia, Missouri
| | - Robert Schaal
- Department of Orthopaedic Surgery Physical Therapy, University of Missouri, Columbia, Missouri
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Ebert JR, Fallon M, Ackland TR, Janes GC, Wood DJ. Minimum 10-Year Clinical and Radiological Outcomes of a Randomized Controlled Trial Evaluating 2 Different Approaches to Full Weightbearing After Matrix-Induced Autologous Chondrocyte Implantation. Am J Sports Med 2020; 48:133-142. [PMID: 31765228 DOI: 10.1177/0363546519886548] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Longer term outcomes after matrix-induced autologous chondrocyte implantation (MACI) are lacking, while early postoperative weightbearing (WB) management has traditionally been conservative. PURPOSE To investigate the longer term clinical and radiological outcomes after an 8-week (vs 12-week) WB protocol after MACI. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A randomized study design allocated 70 patients to an 8- (n = 34) or 12-week (n = 36) approach to full WB after MACI of the medial or lateral femoral condyle. Patients were evaluated preoperatively; at 3, 12, and 24 months after surgery; and at 5 and 10 years after surgery. At 10 years (range, 10.5-11.5 years), 60 patients (85.7%; 8 weeks: n = 29; 12 weeks: n = 31) were available for review. Clinical outcomes included patient-reported outcomes, maximal isokinetic knee extensor and flexor strength, and functional hop capacity. High-resolution magnetic resonance imaging (MRI) was undertaken to assess the quality and quantity of repair tissue per the MOCART (magnetic resonance observation of cartilage repair tissue) system. A combined MRI composite score was also evaluated. RESULTS Clinical and MRI-based scores for the full cohort significantly improved (P < .05) over the 10-year period. Apart from the Tegner activity score, which improved (P = .041), as well as tissue structure (P = .030), which deteriorated, there were no further statistically significant changes (P > .05) from 5 to 10 years. There were no 10-year differences between the 2 WB rehabilitation groups. At 10 years, 81.5% and 82.8% of patients in the 8- and 12-week groups, respectively, demonstrated good-excellent tissue infill. Graft failure was observed on MRI at 10 years in 7 patients overall, which included 4 located on 10-year MRI (8 weeks: n = 1; 12 weeks: n = 3) and a further 3 patients (8 weeks: n = 1; 12 weeks: n = 2) not included in the current analysis who proceeded to total knee arthroplasty. At 10 years, 93.3% of patients were satisfied with MACI for relieving their pain, with 83.3% satisfied with their ability to participate in sport. CONCLUSION MACI provided high satisfaction levels and tissue durability beyond 10 years. The outcomes of this randomized trial demonstrate a safe 8-week WB rehabilitation protocol without jeopardizing longer term outcomes.
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Affiliation(s)
- Jay R Ebert
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, Western Australia, Australia.,HFRC Rehabilitation Clinic, Nedlands, Western Australia, Australia
| | - Michael Fallon
- Perth Radiological Clinic, Subiaco, Western Australia, Australia
| | - Timothy R Ackland
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, Western Australia, Australia
| | - Gregory C Janes
- Perth Orthopaedic & Sports Medicine Centre, West Perth, Western Australia, Australia
| | - David J Wood
- School of Surgery (Orthopaedics), University of Western Australia, Crawley, Western Australia, Australia
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