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1.
Chinese Journal of Reparative and Reconstructive Surgery ; (12): 1548-1555, 2023.
Artigo em Chinês | WPRIM | ID: wpr-1009096

RESUMO

OBJECTIVE@#To review research advances of revision surgery after primary total hip arthroplasty (THA) for patients with Crowe type Ⅳ developmental dysplasia of the hip (DDH).@*METHODS@#The recent literature on revision surgery after primary THA in patients with Crowe type Ⅳ DDH was reviewed. The reasons for revision surgery were analyzed and the difficulties of revision surgery, the management methods, and the related prosthesis choices were summarized.@*RESULTS@#Patients with Crowe type Ⅳ DDH have small anteroposterior diameter of the acetabulum, large variation in acetabular and femoral anteversion angles, severe soft tissue contractures, which make both THA and revision surgery more difficult. There are many reasons for patients undergoing revision surgery after primary THA, mainly due to aseptic loosening of the prosthesis. Therefore, it is necessary to restore anatomical structures in primary THA, as much as possible and reduce the generation of wear particles to avoid postoperative loosening of the prosthesis. Due to the anatomical characteristics of Crowe type Ⅳ DDH, the patients have acetabular and femoral bone defects, and the repair and reconstruction of bone defects become the key to revision surgery. The acetabular side is usually reconstructed with the appropriate acetabular cup or combined metal block, Cage, or custom component depending on the extent of the bone defect, while the femoral side is preferred to the S-ROM prosthesis. In addition, the prosthetic interface should be ceramic-ceramic or ceramic-highly cross-linked polyethylene wherever possible.@*CONCLUSION@#The reasons leading to revision surgery after primary THA in patients with Crowe type Ⅳ DDH and the surgical difficulties have been clarified, and a large number of clinical studies have proposed corresponding revision modalities based on which good early- and mid-term outcomes have been obtained, but further follow-up is needed to clarify the long-term outcomes. With technological advances and the development of new materials, personalized prostheses for these patients are expected to become a reality.


Assuntos
Humanos , Artroplastia de Quadril/métodos , Prótese de Quadril , Luxação Congênita de Quadril/cirurgia , Reoperação , Displasia do Desenvolvimento do Quadril/cirurgia , Acetábulo/cirurgia , Estudos Retrospectivos , Resultado do Tratamento
2.
Rev. bras. anestesiol ; 70(4): 440-442, July-Aug. 2020.
Artigo em Inglês, Português | LILACS | ID: biblio-1137191

RESUMO

Abstract The erector spinae plane block is a safe and effective regional anesthesia technique, which has earned new indications perioperatively since its description. We introduce two pediatric anesthesia cases in which we performed the erector spinae plane block during intermediate/major orthopedic surgeries. The first patient is a 2 year-old girl submitted to surgical treatment of developmental dysplasia of the hip. The second patient is a 14 year-old boy submitted to surgical treatment of bilateral clubfoot. This last patient is potentially the first published case in which the erector spinae plane block was performed for ankle and foot surgery. Both cases experienced excellent analgesia, avoiding opiate requirement completely.


Resumo O bloqueio do plano eretor da espinha guiado por ultrassonografia é uma técnica segura e eficaz de anestesia regional, que apresenta novas indicações no perioperatório. Apresentamos dois casos de bloqueio do plano eretor da espinha realizados para analgesia de cirurgia ortopédica pediátrica de médio/grande porte. O primeiro: menina de 2 anos submetida a tratamento cirúrgico de displasia do desenvolvimento do quadril. O segundo: menino de 14 anos submetido a correção de pé valgo bilateral. Este último, no melhor do nosso conhecimento, é o primeiro caso de bloqueio do plano eretor da espinha em cirurgia de tornozelo/pé descrito na literatura. Os casos tiveram analgesia pós-operatória adequada, sem necessidade de opioides.


Assuntos
Humanos , Masculino , Feminino , Pré-Escolar , Adolescente , Pé Torto Equinovaro/cirurgia , Procedimentos Ortopédicos/métodos , Displasia do Desenvolvimento do Quadril/cirurgia , Bloqueio Nervoso/métodos , Dor Pós-Operatória/prevenção & controle , Músculos Paraespinais
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