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J Pediatr Orthop 2022 Aug 11. Epub 2022 Aug 11.

Department of Pediatric Orthopaedics, Beijing Jishuitan Hospital, Beijing China.

Background: Avascular necrosis (AVN) is a major complication after closed reduction for developmental dysplasia of the hip. The factors that predispose to AVN remain controversial. The purpose of this study was to analyze the risk factors, especially patient factors, such as age at reduction, grade of dislocation, and ossific nucleus development, related to AVN. Read More

Int Orthop 2022 Sep 28;46(9):1977-1983. Epub 2022 Jun 28.

Postgraduate Program of the Instituto de Assistência Médica ao Servidor Público Estadual (IAMSPE), São Paulo, SP, Brazil.

Purpose: This study investigated the incidence of AVN in patients with cerebral palsy who underwent a hip reconstruction surgery (soft tissue release, femur and pelvic osteotomies) and its impact on quality of life.

Methods: Retrospective study, with clinical and radiographic analysis of 104 patients (128 hips) GMFCS IV and V with a minimum two year follow-up. Reimers migration percentage, the amount of abduction, acetabular index, and the neck-shaft angle were collected before and after surgery. Read More

Adv Orthop 2022 29;2022:8688770. Epub 2022 May 29.

Head of Teaching Department of Orthopaedics and Musculoskeletal Trauma, University of Pavol Jozef Šafárik, Kosice, Slovakia.

Background: Hilgenreiner brace (Hb) was developed to improve hip reduction rate and reduce the incidence of femoral head avascular necrosis (AVN). In children under the age of 18 months with unstable hip joints or a dislocated hip joint, the treatment method involves nonsurgical treatment in most cases.

Objectives: To evaluate the effectiveness and safety of traction, closed reduction, and hip fixation in Hb in patients with severe forms of hip developmental dysplasia (DDH) in follow-up. Read More

J Orthop Surg Res 2022 Jun 6;17(1):302. Epub 2022 Jun 6.

Joint Reconstruction Research Centre, Tehran University of Medical Sciences, End of Keshavarz Blvd, Tehran, 1419733141, Iran.

Purpose: At present, concomitant avascular necrosis (AVN) of femoral head and septic arthritis (SA) as a sequel of COVID-19 infection has yet not been documented. By large-scale use of life-saving corticosteroids (CS) in COVID-19 cases, our aim is to warn of the occurrence of hip joint infection in these patients.

Methods: We report a series of five cases in which patients developed septic arthritis concomitant with AVN after being treated for COVID-19 infection. Read More

World J Orthop 2022 May 18;13(5):515-527. Epub 2022 May 18.

Department of Orthopedic Surgery, Amphia Hospital, Breda 4818CK, Netherlands.

Background: Slipped capital femoral epiphysis (SCFE) occurs in adolescents and has an incidence of around 10 100000 children. Children presenting with a unilateral SCFE are 2335 times more likely to develop a contralateral SCFE than the general population. Prognostic factors that have been suggested to increase the risk of contralateral slip include a younger patient, an underlying endocrine disorder, growth hormone use and a higher radiographic posterior sloping angle. Read More