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Lee GW, Song JE, Han JE, Kim NS, Lee KB. The Role of Receptor Activator of Nuclear Factor-κB Ligand/Osteoprotegerin Ratio in Synovial Fluid as a Potential Marker for Periprosthetic Osteolysis Following Total Ankle Arthroplasty. Clin Orthop Surg 2024; 16:661-668. [PMID: 39092303 PMCID: PMC11262952 DOI: 10.4055/cios23411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/26/2024] [Accepted: 01/26/2024] [Indexed: 08/04/2024] Open
Abstract
Background Periprosthetic osteolysis is a prevalent complication following total ankle arthroplasty (TAA), implicating various cytokines in osteoclastogenesis as pivotal in this process. This study aimed to evaluate the relationship between osteolysis and the concentrations of osteoclastogenesis-related cytokines in synovial fluid and investigate its clinical value following TAA. Methods Synovial fluid samples from 23 ankles that underwent revision surgery for osteolysis following TAA were analyzed as the osteolysis group. As a control group, we included synovial fluid samples obtained from 23 ankles during primary TAA for osteoarthritis. The receptor activator of nuclear factor-κB ligand (RANKL)/osteoprotegerin (OPG) ratio in these samples was quantified using sandwich enzyme-linked immunosorbent assay techniques, and a bead-based multiplex immunoassay facilitated the detection of specific osteoclastogenesis-related cytokines. Results RANKL levels averaged 487.9 pg/mL in 14 of 23 patients in the osteolysis group, with no detection in the control group's synovial fluid. Conversely, a significant reduction in OPG levels was observed in the osteolysis group (p = 0.002), resulting in a markedly higher mean RANKL/OPG ratio (0.23) relative to controls (p = 0.020). Moreover, the osteolysis group had increased concentrations of various osteoclastogenesis-related cytokines (tumor necrosis factor-α, interleukin [IL]-1β, IL-6, IL-8, IP-10, and monocyte chemotactic protein-1) in the synovial fluid relative to the control group. Conclusions Our results demonstrated that periprosthetic osteolysis was associated with osteoclastogenesis activation through an elevated RANKL/OPG ratio following TAA. We assume that RANKL and other osteoclastogenesis-related cytokines in the synovial fluid have clinical value as a potential marker for the development and progression of osteolysis following TAA.
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Affiliation(s)
- Gun-Woo Lee
- Department of Orthopedic Surgery, Chonnam National University Hospital, Gwangju, Korea
- Department of Orthopedic Surgery, Chonnam National University Medical School, Gwangju, Korea
| | - Ji-Eun Song
- Department of Orthopedic Surgery, Chonnam National University Hospital, Gwangju, Korea
| | - Jeong-Eun Han
- Department of Orthopedic Surgery, Chonnam National University Hospital, Gwangju, Korea
| | - Nack-Sung Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea
| | - Keun-Bae Lee
- Department of Orthopedic Surgery, Chonnam National University Hospital, Gwangju, Korea
- Department of Orthopedic Surgery, Chonnam National University Medical School, Gwangju, Korea
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Lee MS, Lee GW, Lee KB. Bone grafting for periprosthetic bone cysts following total ankle arthroplasty. Bone Joint J 2024; 106-B:475-481. [PMID: 38688515 DOI: 10.1302/0301-620x.106b5.bjj-2023-1091.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Aims The purpose of this study was to assess the success rate and functional outcomes of bone grafting for periprosthetic bone cysts following total ankle arthroplasty (TAA). Additionally, we evaluated the rate of graft incorporation and identified associated predisposing factors using CT scan. Methods We reviewed a total of 37 ankles (34 patients) that had undergone bone grafting for periprosthetic bone cysts. A CT scan was performed one year after bone grafting to check the status of graft incorporation. For accurate analysis of cyst volumes and their postoperative changes, 3D-reconstructed CT scan processed with 3D software was used. For functional outcomes, variables such as the Ankle Osteoarthritis Scale score and the visual analogue scale for pain were measured. Results Out of 37 ankles, graft incorporation was successful in 30 cases. Among the remaining seven cases, four (10.8%) exhibited cyst re-progression, so secondary bone grafting was needed. After secondary bone grafting, no further progression has been noted, resulting in an overall 91.9% success rate (34 of 37) at a mean follow-up period of 47.5 months (24 to 120). The remaining three cases (8.1%) showed implant loosening, so tibiotalocalcaneal arthrodesis was performed. Functional outcomes were also improved after bone grafting in all variables at the latest follow-up (p < 0.05). The mean incorporation rate of the grafts according to the location of the cysts was 84.8% (55.2% to 96.1%) at the medial malleolus, 65.1% (27.6% to 97.1%) at the tibia, and 81.2% (42.8% to 98.7%) at the talus. Smoking was identified as a significant predisposing factor adversely affecting graft incorporation (p = 0.001). Conclusion Bone grafting for periprosthetic bone cysts following primary TAA is a reliable procedure with a satisfactory success rate and functional outcomes. Regular follow-up, including CT scan, is important for the detection of cyst re-progression to prevent implant loosening after bone grafting.
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Affiliation(s)
- Min-Su Lee
- Department of Orthopedic Surgery, Chonnam National University Medical School and Hospital, Gwangju, South Korea
| | - Gun-Woo Lee
- Department of Orthopedic Surgery, Chonnam National University Medical School and Hospital, Gwangju, South Korea
| | - Keun-Bae Lee
- Department of Orthopedic Surgery, Chonnam National University Medical School and Hospital, Gwangju, South Korea
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Ferrao PNF, Saragas NP, Naude JJ. Outcomes of Total Ankle Arthroplasty After Periprosthetic Cyst Curettage and Bone Grafting. Foot Ankle Clin 2024; 29:123-143. [PMID: 38309797 DOI: 10.1016/j.fcl.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2024]
Abstract
Total ankle arthroplasty (TAA) has become a popular management option for ankle arthritis. Periprosthetic osteolysis is one of the most common causes for reoperation in TAA. A CT scan should be done in all suspected osteolysis cases to confirm location, quantify size and aid in surgical planning. These patients are often asymptomatic with limited evidence regarding appropriate management. Smaller lesions should be monitored for progression in size. Periprosthetic cysts measuring 10-15mm in all three axes should be considered for debridment and curettage with autogenous bone grafting. The authors believe that bone grafting of large asymptomatic periprosthetic cysts could prevent implant failure.
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Affiliation(s)
- Paulo N F Ferrao
- The Orthopaedic Foot & Ankle Unit, Netcare Linksfield Hospital, 303 Linksfield Medical Centre, 24 12th Avenue, Linksfield West, 2192, South Africa; Department of Orthopaedic Surgery, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa.
| | - Nikiforos P Saragas
- The Orthopaedic Foot & Ankle Unit, Netcare Linksfield Hospital, 303 Linksfield Medical Centre, 24 12th Avenue, Linksfield West, 2192, South Africa; Department of Orthopaedic Surgery, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa
| | - Jaco J Naude
- The Orthopaedic Foot & Ankle Unit, Netcare Linksfield Hospital, 303 Linksfield Medical Centre, 24 12th Avenue, Linksfield West, 2192, South Africa; Life Wilgers Hospital, Denneboom road, Wilgers ext 14, Pretoria, 0040, South Africa
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Shaffrey I, O'Malley E, Henry JK, Rajan L, Deland JT, O'Malley M, Ellis SJ, Demetracopoulos CA. Midterm Clinical Outcomes, Radiographic Outcomes, and Survivorship of the Infinity Total Ankle Arthroplasty. Foot Ankle Int 2023; 44:1247-1255. [PMID: 37964445 DOI: 10.1177/10711007231201136] [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: 11/16/2023]
Abstract
BACKGROUND The Infinity Total Ankle Arthroplasty (Stryker, Mahwah, NJ) is a low-profile fixed-bearing implant first introduced in 2014. Although the short-term survivorship (2-4 years follow-up) and complication rates of the Infinity TAA have been reported, there are limited midterm outcome reports. The aim of this study was to describe the survivorship and clinical outcomes of a single-center experience with the Infinity implant at minimum 5-year follow-up. METHODS Retrospective review of 65 ankles that underwent primary total ankle arthroplasty (TAA) with the Infinity implant was conducted. Mean clinical follow-up was 6.5 years (range, 5.0-8.0). Preoperative and postoperative radiographs were measured to assess tibiotalar alignment, periprosthetic lucencies, and cysts. Preoperative, 2-year, and 5-year postoperative Foot and Ankle Outcome Score (FAOS) subscores were compared to assess midterm clinical outcomes. Survivorship assessment was determined by removal of 1 or both metallic implant components. RESULTS Survivorship of the implant was 93.8% at final follow-up. There were 4 revisions: 2 for tibial implant loosening, 1 for talar loosening, and 1 for loosening of both components. Three of the 4 revisions occurred within the first 2 years following implantation, and the last failure occurred at 7 years postoperatively. There were 11 reoperations in 10 (15%) ankles and 3 wound complications. There were 17 ankles (26.2%) with radiographic abnormalities around the implants, including 14 cases with tibial component lucencies and 4 cases of periimplant cysts. FAOS outcome measurement showed general stability between 2 and 5 years and substantial improvement from preoperative status. CONCLUSION To date this study is the largest midterm report on the Infinity total ankle prosthesis, with 65 implants at a mean follow-up of 6.5 years. We found good midterm implant survivorship, and patients experienced significant improvements in FAOS outcome scores and radiographic alignment at final follow-up. LEVEL OF EVIDENCE Level III, retrospective cohort study.
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Affiliation(s)
- Isabel Shaffrey
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Emmett O'Malley
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Jensen K Henry
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Lavan Rajan
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Jonathan T Deland
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Martin O'Malley
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
| | - Scott J Ellis
- Foot & Ankle Department, Hospital for Special Surgery, New York, NY, USA
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Hur ES, Mehta N, Lee S, Bohl DD. Management of Periprosthetic Bone Cysts After Total Ankle Arthroplasty. Orthop Clin North Am 2023; 54:109-119. [PMID: 36402507 DOI: 10.1016/j.ocl.2022.08.003] [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: 11/05/2022]
Abstract
Modern improvements in total ankle arthroplasty (TAA) have increased the performance of this procedure for treatment of end-stage ankle arthritis. A common finding after TAA is the formation of periprosthetic bone cysts, which can be clinically silent or result in TAA failure. The exact cause of periprosthetic bones cysts has not been established, but major theories are related to osteolysis secondary to implant wear, micromotion, and stress shielding. Treatment can be nonoperative with clinical observation for small, asymptomatic cysts. Large, progressive, and symptomatic cysts often merit surgical treatment with debridement and grafting, revision TAA, or salvage arthrodesis.
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Affiliation(s)
- Edward S Hur
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison Street, Suite 400, Chicago, IL 60612, USA
| | - Nabil Mehta
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison Street, Suite 400, Chicago, IL 60612, USA
| | - Simon Lee
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison Street, Suite 400, Chicago, IL 60612, USA
| | - Daniel D Bohl
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison Street, Suite 400, Chicago, IL 60612, USA.
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Cody EA, Henry JK, Ellis SJ, Demetracopoulos CA. Letter Regarding: CT Scan Assessment and Functional Outcome of Periprosthetic Bone Grafting After Total Ankle Arthroplasty at Medium-term Follow-up. Foot Ankle Int 2022; 43:1385. [PMID: 36036519 DOI: 10.1177/10711007221118566] [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] [Indexed: 02/01/2023]
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Naude JJ, Saragas NP, Ferrao PNF. Response to "Letter Regarding: CT Scan Assessment and Functional Outcome of Periprosthetic Bone Grafting After Total Ankle Arthroplasty at Medium-term Follow-up". Foot Ankle Int 2022; 43:1386. [PMID: 36185012 DOI: 10.1177/10711007221118565] [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] [Indexed: 02/01/2023]
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