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Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_II | Pages 162 - 162
1 Apr 2005
Harvie P Ostlere S Teh J McNally E Clipsham K Burston B Pollard T Carr A
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The purpose of this study was to investigate the role that genetics play in the aetiology and symptomatology of full thickness tears of the rotator cuff.

From a retrospective, cohort study of 205 patients diagnosed with full thickness rotator cuff tears, we determined, using ultrasound, the prevalence of full thickness tears in their 129 siblings. Using 150 spouses as controls, the relative risk of full thickness rotator cuff tear in siblings v controls was 2.42 (p< 0.0001, 95 % CI 1.77 to 3.31). The relative risk of symptomatic full thickness rotator cuff tear in siblings v controls was 4.65 (p< 0.0001, 95 % CI 2.42 to 8.63).

The significantly increased risk for tears in siblings implies that genetic factors play a major role in the development of full thickness tears of the rotator cuff.


The Journal of Bone & Joint Surgery British Volume
Vol. 86-B, Issue 5 | Pages 696 - 700
1 Jul 2004
Harvie P Ostlere SJ Teh J McNally EG Clipsham K Burston BJ Pollard TCB Carr AJ

From a retrospective, cohort study of 205 patients diagnosed with full-thickness tears of the rotator cuff, we determined, using ultrasound, the prevalence of such tears in their 129 siblings. Using 150 spouses as controls, the relative risk of full-thickness tears in siblings versus controls was 2.42 (95% CI 1.77 to 3.31). The relative risk of symptomatic full-thickness tears in siblings versus controls was 4.65 (95% CI 2.42 to 8.63).

The significantly increased risk for tears in siblings implies that genetic factors play a major role in the development of full-thickness tears of the rotator cuff.


The Journal of Bone & Joint Surgery British Volume
Vol. 79-B, Issue 4 | Pages 660 - 664
1 Jul 1997
Chitnavis J Sinsheimer JS Clipsham K Loughlin J Sykes B Burge PD Carr AJ

From a prospective, cross-sectional survey of 402 patients who had a total hip (THR) or a total knee (TKR) replacement for idiopathic osteoarthritis (OA) at a major centre, we determined the prevalence of these replacements for idiopathic OA in their 1171 siblings and 376 spouses. Using spouses as controls, the relative risk of THR in siblings was 1.86 (95% CI 0.93 to 3.69). The relative risk for TKR in siblings v spouses was 4.8 (95% CI 0.64 to 36.4) whereas the risk for the combined outcome measure of THR or TKR was 2.32 (95% CI 1.22 to 4.43) when siblings and spouses over 64 years of age were compared. Using a threshold liability model (Falconer), the heritability of end-stage OA of the hip was estimated at 27%.

The increased risks of joint replacement for severe, idiopathic OA which we found in siblings suggest that genetic influences are important in end-stage OA of the hip and knee.