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Surgical Hip Dislocation and Fresh Osteochondral Allograft Transplantation for Femoroacetabular Impingement and Concomitant Chondral Lesion.

ABSTRACT: Chondral lesions of the hip in young patients are frequently associated with additional articular pathology. Parafoveal osteochondral lesions have been reported to be a manifestation of cam lesions in the setting of femoroacetabular impingement (FAI). Although arthroscopic surgery is useful to treat intra- and extra-articular pathology, large lesions located in areas that are difficult to access represent a limitation of the technique. Open surgical dislocation and osteochondral allograft transplantation (OCA) allow treatment of larger surface areas and underlying morphologic abnormalities such as cam lesions. We present our technique for open surgical dislocation of the hip through a stepped trochanteric osteotomy, osteochondral transplantation of fresh-stored femoral head allograft, and osteoplasty of the head/neck junction.

SUBMITTER: Garcia-Mansilla I

PROVIDER: S-EPMC7768051 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Surgical Hip Dislocation and Fresh Osteochondral Allograft Transplantation for Femoroacetabular Impingement and Concomitant Chondral Lesion.

Garcia-Mansilla Ignacio I Jones Kristofer J KJ Sassoon Adam A AA

Arthroscopy techniques 20201110 12

Chondral lesions of the hip in young patients are frequently associated with additional articular pathology. Parafoveal osteochondral lesions have been reported to be a manifestation of cam lesions in the setting of femoroacetabular impingement (FAI). Although arthroscopic surgery is useful to treat intra- and extra-articular pathology, large lesions located in areas that are difficult to access represent a limitation of the technique. Open surgical dislocation and osteochondral allograft transp ...[more]

PMID: 33381392

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Project description:Hip arthroscopy and surgical hip dislocation (SHD) can be adequate surgical options for patients suffering from femoroacetabular impingement (FAI) syndrome, but there is to date no published data on their impact on hip muscles strength. The purpose of this retrospective study was, therefore, to evaluate it on a consecutive series of 50 FAI patients treated either by arthroscopy (n = 29, aged 27.4 ± 7.5 years, 76% of women) or SHD (n = 21, aged 25.9 ± 6.5 years, 38% of women) at La Tour Hospital between 2020 and 2021. The bilateral isometric strengths of eight hip-related muscles were evaluated before and three months after surgery (halfway through the rehabilitation program). For arthroscopy, a statistically significant (p < 0.05) reduction in hip muscles strength could be noted on the operated hamstrings (1.49 ± 0.43 vs. 1.39 ± 0.38 Nm/kg), flexors (1.88 ± 0.46 vs. 1.73 ± 0.41 Nm/kg), abductors (1.97 ± 0.42 vs. 1.72 ± 0.40 Nm/kg) and external rotators (1.17 ± 0.40 vs. 1.04 ± 0.37 Nm/kg). The abductors were the most affected muscles, with 45% of the patients suffering from a strength reduction ≥15%. The non-operated external rotators were also affected but to a lesser extent (1.21 ± 0.38 vs. 1.10 ± 0.36 Nm/kg). For SHD, a statistically significant strength reduction could be noted on the operated extensors (2.28 ± 0.84 vs. 2.05 ± 0.70 Nm/kg), abductors (1.87 ± 0.49 vs. 1.65 ± 0.41 Nm/kg), quadriceps (2.96 ± 0.92 vs. 2.44 ± 0.89 Nm/kg), external rotators (1.16 ± 0.42 vs. 0.93 ± 0.36 Nm/kg) and internal rotators (1.26 ± 0.38 vs. 0.96 ± 0.30 Nm/kg). The internal rotators were the most affected muscles, with 75% of the patients suffering from a strength reduction ≥15%. To conclude, particular attention should be paid to operated abductors for patients treated by arthroscopy as well as operated internal/external rotators, abductors and quadriceps for those treated by surgical hip dislocation. It reinforces that a rehabilitation method based on isolated muscle reinforcement and functional exercises that goes beyond three postoperative months is needed.

Dataset Information

Surgical Hip Dislocation and Fresh Osteochondral Allograft Transplantation for Femoroacetabular Impingement and Concomitant Chondral Lesion.

Publications

Surgical Hip Dislocation and Fresh Osteochondral Allograft Transplantation for Femoroacetabular Impingement and Concomitant Chondral Lesion.

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