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The Bone & Joint Journal
Vol. 105-B, Issue 8 | Pages 935 - 942
1 Aug 2023
Bradley CS Verma Y Maddock CL Wedge JH Gargan MF Kelley SP

Aims. Brace treatment is the cornerstone of managing developmental dysplasia of the hip (DDH), yet there is a lack of evidence-based treatment protocols, which results in wide variations in practice. To resolve this, we have developed a comprehensive nonoperative treatment protocol conforming to published consensus principles, with well-defined a priori criteria for inclusion and successful treatment. Methods. This was a single-centre, prospective, longitudinal cohort study of a consecutive series of infants with ultrasound-confirmed DDH who underwent a comprehensive nonoperative brace management protocol in a unified multidisciplinary clinic between January 2012 and December 2016 with five-year follow-up radiographs. The radiological outcomes were acetabular index-lateral edge (AI-L), acetabular index-sourcil (AI-S), centre-edge angle (CEA), acetabular depth ratio (ADR), International Hip Dysplasia Institute (IHDI) grade, and evidence of avascular necrosis (AVN). At five years, each hip was classified as normal (< 1 SD), borderline dysplastic (1 to 2 SDs), or dysplastic (> 2 SDs) based on validated radiological norm-referenced values. Results. Of 993 infants assessed clinically and sonographically, 21% (212 infants, 354 abnormal hips) had DDH and were included. Of these, 95% (202 infants, 335 hips) successfully completed bracing, and 5% (ten infants, 19 hips) failed bracing due to irreducible hip(s). The success rate of bracing for unilateral dislocations was 88% (45/51 infants) and for bilateral dislocations 83% (20/24 infants). The femoral nerve palsy rate was 1% (2/212 infants). At five-year follow-up (mean 63 months (SD 5.9; 49 to 83)) the prevalence of residual dysplasia after successful brace treatment was 1.6% (5/312 hips). All hips were IHDI grade I and none had AVN. Four children (4/186; 2%) subsequently underwent surgery for residual dysplasia. Conclusion. Our comprehensive protocol for nonoperative treatment of infant DDH has shown high rates of success and extremely low rates of residual dysplasia at a mean age of five years. Cite this article: Bone Joint J 2023;105-B(8):935–942


The Bone & Joint Journal
Vol. 103-B, Issue 5 | Pages 991 - 998
1 May 2021
Lyu X Chen T Yang Z Fu G Feng C Zhang T Lu M

Aims

The objective of this study was to evaluate the clinical and radiological outcomes of patients younger than six months of age with developmental dysplasia of the hip (DDH) managed by either a Pavlik harness or Tübingen hip flexion splint.

Methods

Records of 251 consecutive infants with a mean age of 89 days (SD 47), diagnosed with DDH between January 2015 and December 2018, were retrospectively reviewed. Inclusion criteria for patients with DDH were: younger than 180 days at the time of diagnosis; ultrasound Graf classification of IIc or greater; treatment by Pavlik harness or Tübingen splint; and no prior treatment history. All patients underwent hip ultrasound every seven days during the first three weeks of treatment and subsequently every three to four weeks until completion of treatment. If no signs of improvement were found after three weeks, the Pavlik harness or Tübingen splint was discontinued. Statistical analysis was performed.


The Bone & Joint Journal
Vol. 102-B, Issue 4 | Pages 495 - 500
1 Apr 2020
Milligan DJ Cosgrove AP

Aims

To monitor the performance of services for developmental dysplasia of the hip (DDH) in Northern Ireland and identify potential improvements to enhance quality of service and plan for the future.

Methods

This was a prospective observational study, involving all infants treated for DDH between 2011 and 2017. Children underwent clinical assessment and radiological investigation as per the regional surveillance policy. The regional radiology data was interrogated to quantify the use of ultrasound and ionizing radiation for this population.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_24 | Pages 16 - 16
1 May 2013
Ramachandran M Achan P Gottliebsen M Moller-Madsen B
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Aim. The current literature indicates that hip arthroscopy is safe in both adolescents and adults with good early outcomes but there are no available studies that directly compare the outcomes of this procedure for mixed indications between these two groups. Method. This was a prospective cohort study of 102 consecutive supine hip arthroscopies in 96 patients (48 adolescent (<18) hips, mean age 13.9 years and 54 adult (>18 hips), mean age 33.8 years) at a tertiary referral paediatric and adult university hospital followed-up for a minimum of two years. Patient demographics, indications for surgery, Modified Harris Hip (MHHS) and Non-Arthritic Hip (NAHS) scores, operative interventions and complications were recorded. Results. At two-year follow-up, the MHHS improved from a mean of 55.3 to 87.5 (p<0.05) in the adolescent group and from 58.7 to 86.9 (p<0.05) in the adult group while the NAHS improved from 57.1 to 86.7 (p<0.05) in the adolescent group and from 61.4 to 87.4 (p<0.05) in the adult group. There was no statistical significance difference in outcome between the two groups at 2 years. With respect to complications, there were 2 cases of transient lateral femoral cutaneous nerve palsy (1 adolescent and 1 adult) that resolved spontaneously. There were 3 transient pudendal nerve palsies that resolved spontaneously in the adolescent group by 4 weeks. There was no difference in mean operative traction time in both groups (47.6 minutes in adolescents versus 48.3 minutes in adults; p<0.05). No cases of proximal femoral physeal growth disturbance or osteonecrosis were seen at final follow-up. Conclusion. This study confirms that hip arthroscopy for mixed indications leads to good early outcomes with low complication rates in adolescent and adult patients. The incidence of pudendal nerve palsy in the adolescent group is however noted and is of concern