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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_6 | Pages 5 - 5
1 Feb 2013
Perry D Green D Bruce C Pope D Dangerfield P Platt M Hall A Jones H
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Objective

There is mounting evidence to suggest a vascular insult is responsible for Perthes' disease, and it is suggested that this may have long-term implications for the vascular health of affected individuals. This study sought to use ultrasound measures to investigate vascular structure and function in children affected by Perthes' disease.

Material and Methods

This case control study encompassed 149 cases and 146 controls, frequency matched for age and sex. Endothelial function was measured using the technique of flow-mediated dilatation of the brachial artery, and alterations in arterial flow were recorded in response to an ischaemic stimulus.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_6 | Pages 4 - 4
1 Feb 2013
Perry D Bruce C Pope D Dangerfield P Platt M Hall A
Full Access

Objective

The relationship between the index (2D) to ring finger (4D) is one of the most commonly studied anthropometric measures, which is believed to offer insight into early growth and the foetal environment. This study aimed to determine the relationship between the 2D:4D ratio and the risk of Perthes' disease in children.

Methods

The 2D:4D ratio was measured in 144 cases of Perthes' disease, and 144 controls. Cases and controls were frequency matched for age and sex. Measurements were recorded using a digital venier calliper on the palmar surface of the hand. Logistic regression was undertaken adjusting for age, with stratification for sex.