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Developmental Dysplasia of the Hip and Occult Neurologic Disorders

Developmental Dysplasia of the Hip and Occult Neurologic Disorders
Developmental Dysplasia of the Hip and Occult Neurologic Disorders
Developmental dysplasia of the hip (DDH) is a neonatal condition with various causes. Neuromuscular dysplasia of the hip (NDH) is a sequel of neuromuscular disease, and generally presents later in childhood than DDH. Some evidence, however, supports a concept of a neuromuscular etiology of DDH: (1) a high prevalence of spinal dysraphism in DDH; and (2) abnormal sensory evoked potentials in 31% of DDH patients. To explore this suggestion we ascertained the presence of neuromuscular disease within a cohort of DDH patients, and asked whether the neuromuscular condition is the initial etiology of the dysplasia or a coincidental finding. We retrospectively reviewed patients presenting with DDH. Only those with an initial diagnosis of DDH and a subsequent diagnosis of a neuromuscular condition were assessed. Fifteen of 560 patients fulfilled the criteria, however the presence of true DDH within this group was minimal, as several cases emerged as early presenting NDH. We therefore believe it unlikely DDH has a substantial neurological etiology.
Level of Evidence: Level III, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence.
0009-921X
871-877
Luther, A.Z.
626ddb31-5ae8-4a71-a40f-007edbd7b2de
Clarke, N.M.P.
76688c21-d51e-48fa-a84d-deec66baf8ac
Luther, A.Z.
626ddb31-5ae8-4a71-a40f-007edbd7b2de
Clarke, N.M.P.
76688c21-d51e-48fa-a84d-deec66baf8ac

Luther, A.Z. and Clarke, N.M.P. (2008) Developmental Dysplasia of the Hip and Occult Neurologic Disorders. Clinical Orthopaedics and Related Research, 466 (4), 871-877. (doi:10.1007/s11999-008-0118-6).

Record type: Article

Abstract

Developmental dysplasia of the hip (DDH) is a neonatal condition with various causes. Neuromuscular dysplasia of the hip (NDH) is a sequel of neuromuscular disease, and generally presents later in childhood than DDH. Some evidence, however, supports a concept of a neuromuscular etiology of DDH: (1) a high prevalence of spinal dysraphism in DDH; and (2) abnormal sensory evoked potentials in 31% of DDH patients. To explore this suggestion we ascertained the presence of neuromuscular disease within a cohort of DDH patients, and asked whether the neuromuscular condition is the initial etiology of the dysplasia or a coincidental finding. We retrospectively reviewed patients presenting with DDH. Only those with an initial diagnosis of DDH and a subsequent diagnosis of a neuromuscular condition were assessed. Fifteen of 560 patients fulfilled the criteria, however the presence of true DDH within this group was minimal, as several cases emerged as early presenting NDH. We therefore believe it unlikely DDH has a substantial neurological etiology.
Level of Evidence: Level III, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence.

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Published date: April 2008

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Local EPrints ID: 70331
URI: http://eprints.soton.ac.uk/id/eprint/70331
ISSN: 0009-921X
PURE UUID: e045bd16-2a3e-4ac4-b2b8-b2f8e52e5945

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Date deposited: 05 Mar 2010
Last modified: 13 Mar 2024 20:01

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Author: A.Z. Luther
Author: N.M.P. Clarke

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