Estudo comparativo entre osteossíntese em fratura de tornozelo com implantes convencionais e bioabsorvíveis / Comparative study between osteosynthesis in conventional and bioabsorbable implants in ankle fractures

Objetivo: Comparar os resultados funcionais de fraturas de tornozelo tratadascom placas metálicas e absorvíveis. Métodos: Vinte pacientes foramrandomizados e seguidos de forma prospectiva em dois grupos, metálicoe absorvível. No período pós-operatório imediato os pacientes foram imobilizadoscom tala gessada por uma semana, que foi substituída por órteseremovível por quatro semanas adicionais. Carga parcial foi autorizada comtrês semanas, e carga total com seis semanas. Os vinte pacientes foramseguidos por nove meses e avaliados funcionalmente aos seis e nove meses.Resultados: A recuperação funcional foi similar nos dois grupos. Aosseis meses, três pacientes no grupo metálico queixaram-se de problemaslocais, e tiveram seus implantes removidos. Um paciente do grupo absorvívelteve uma deiscência precoce da sutura, submetida a desbridamentoe sutura com boa evolução. Aos seis e nove meses o escore da AmericanOrthopaedic Foot and Ankle Society (AOFAS) foi aplicado para todosexceto um paciente do grupo metálico, que foi perdido do seguimento.Os resultados funcionais foram semelhantes nos dois grupos, nos doismomentos. Conclusão: Os implantes absorvíveis permitiram resultadosclínicos e funcionais semelhantes aos metálicos em fraturas de tornozelo.Nível de Evidência II, Estudo Prospectivo Comparativo.

Objective: To compare the functional results of ankle fracturestreated with metallic and absorbable plates. Twentypatients were randomized into two groups (metallic and absorbableimplant groups) and followed prospectively. In theimmediate postoperative period, patients were immobilizedwith plaster casts for one week, which was replaced by aremovable cast for another four weeks. Partial weight-bearingwas allowed after three weeks, and full weight-bearing aftersix weeks. Functional recovery was similar in both groups. Atsix months, three patients in the metallic group complainedof local pain, and had their implants removed. One patientin the absorbable group exhibited early dehiscence of thesuture and underwent debridement and suturing with goodevolution. The American Orthopaedic Foot and Ankle Society(AOFAS) score was similar between the two groups after sixand nine months of follow-up. The absorbable implants showedclinical and functional results that were similar to thoseof metallic implants. Level of Evidence II, ProspectiveComparative Study.

COMPARATIVE STUDY BETWEEN OSTEOSYNTHESIS IN CONVENTIONAL AND BIOABSORBABLE IMPLANTS IN ANKLE FRACTURES.

OBJECTIVE: To compare the functional results of ankle fractures treated with metallic and absorbable plates. Twenty patients were randomized into two groups (metallic and absorbable implant groups) and followed prospectively. In the immediate postoperative period, patients were immobilized with plaster casts for one week, which was replaced by a removable cast for another four weeks. Partial weight-bearing was allowed after three weeks, and full weight-bearing after six weeks. Functional recovery was similar in both groups. At six months, three patients in the metallic group complained of local pain, and had their implants removed. One patient in the absorbable group exhibited early dehiscence of the suture and underwent debridement and suturing with good evolution. The American Orthopaedic Foot and Ankle Society (AOFAS) score was similar between the two groups after six and nine months of follow-up. The absorbable implants showed clinical and functional results that were similar to those of metallic implants. Level of Evidence II, Prospective Comparative Study.