Outcomes of Salvage Procedures for Failed Total Ankle Arthroplasty. 2023

Kathrin Pfahl, and Anke Röser, and Julia Eder, and Oliver Gottschalk, and Hubert Hörterer, and Alexander Mehlhorn, and Markus Walther
Schön Klinik München Harlaching - FIFA Medical Centre, Munich, Germany.

The number of total ankle arthroplasty (TAA) procedures increased rapidly in the last years and so have its complications. The main pillars in treating failed TAA are revision total ankle arthroplasty (RTAA), revision total ankle arthrodesis (RAA), or revision tibiotalocalcaneal fusion (RTTC). To evaluate these options, we compared clinical, radiologic, and patient-reported outcomes. A single-center, retrospective review of 111 cases of revision procedures of failed TAA from 2006 to 2020 was performed. Patients undergoing polyethylene exchange and revision of one metallic component were excluded. Demographic data, failure, and survival rates were analyzed. The European Foot and Ankle Society (EFAS) score and radiographic changes in the subtalar joint were evaluated. The average follow-up was 67.89 ± 40.51 months. One hundred eleven patients underwent removal of TAA. The procedures included 40 revisions of both metallic components, 46 revision total ankle arthrodesis and 25 revision tibiotalocalcaneal fusion. The overall failure rate in the cohort was 5.41% (6/111). The failure rate after RAA was 4.35 times higher than that of RTAA, whereas RTTC did not show failures. RTAA and RTTC lead to a 1-year and 5-year survival rate of 100%. RAA resulted in a 1-year survival rate of 90% and a 5-year survival rate of 85%. The mean EFAS score in the cohort was 12.02 ± 5.83. Analysis of the EFAS score showed that RTTC provided the most reliable pain reduction, and RTAA achieved the best gait pattern. RAA resulted in poorer clinical results. Subtalar joint degeneration occurred significantly less in the RTAA group (P = .01). This retrospective study suggests lower failure rates, increased short-term survival and a better clinical outcomes of revision arthroplasty and tibiotalocalcaneal fusion than ankle arthrodesis. Revision arthroplasty is a promising solution in treating failed total ankle arthroplasty considering lower rate of subsequent adjacent joint degeneration. Level III, non-randomized observational study.

UI MeSH Term Description Entries
D010003 Osteoarthritis A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage. In the foreign literature it is often called osteoarthrosis deformans. Arthritis, Degenerative,Osteoarthrosis,Osteoarthrosis Deformans,Arthroses,Arthrosis,Arthritides, Degenerative,Degenerative Arthritides,Degenerative Arthritis,Osteoarthritides,Osteoarthroses
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000842 Ankle The region of the lower limb between the FOOT and the LEG. Tarsus,Regio tarsalis,Ankles
D000843 Ankle Joint The joint that is formed by the inferior articular and malleolar articular surfaces of the TIBIA; the malleolar articular surface of the FIBULA; and the medial malleolar, lateral malleolar, and superior surfaces of the TALUS. Ankle Syndesmosis,Articulatio talocruralis,Distal Tibiofibular Joint,Inferior Tibiofibular Joint,Talocrural Joint,Tibiofibular Ankle Syndesmosis,Tibiofibular Syndesmosis,Ankle Joints,Ankle Syndesmoses,Ankle Syndesmosis, Tibiofibular,Distal Tibiofibular Joints,Inferior Tibiofibular Joints,Joint, Ankle,Joints, Ankle,Syndesmosis, Ankle,Talocrural Joints,Tibiofibular Ankle Syndesmoses,Tibiofibular Joint, Distal,Tibiofibular Syndesmoses
D001174 Arthrodesis The surgical fixation of a joint by a procedure designed to accomplish fusion of the joint surfaces by promoting the proliferation of bone cells. (Dorland, 28th ed) Arthrodeses
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D016896 Treatment Outcome Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series. Rehabilitation Outcome,Treatment Effectiveness,Clinical Effectiveness,Clinical Efficacy,Patient-Relevant Outcome,Treatment Efficacy,Effectiveness, Clinical,Effectiveness, Treatment,Efficacy, Clinical,Efficacy, Treatment,Outcome, Patient-Relevant,Outcome, Rehabilitation,Outcome, Treatment,Outcomes, Patient-Relevant,Patient Relevant Outcome,Patient-Relevant Outcomes
D058737 Arthroplasty, Replacement, Ankle Replacement of the ANKLE JOINT. Ankle Replacement Arthroplasty,Total Ankle Replacement,Ankle Replacement Arthroplasties,Ankle Replacement, Total,Ankle Replacements, Total,Arthroplasties, Ankle Replacement,Arthroplasty, Ankle Replacement,Replacement Arthroplasties, Ankle,Replacement Arthroplasty, Ankle,Replacement, Total Ankle,Replacements, Total Ankle,Total Ankle Replacements

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