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In this study patients were randomized between surgeon chosen pressure (control) and an automatically determined tourniquet pressure(study group). Of 112 patients in the study group, 5% failed to obtain an automatic pressure. Of the remainder, the average tourniquet pressure was 198 +/− 20.2 mm Hg compared to 259.6 +/− 4.4 mmHg for the control group (p<0.0001). Of the study group 94 (88.6%) had good to excellent fields compared to the control group where 100 (77.5%) had good to excellent fields (p<0.05). The automatic measurement of limb occlusion pressure results in better operative fields at a lower pressure.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXV | Pages 137 - 137
1 Jun 2012
Manzary M Alijassir FF
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18 Patients with SCD and 2ndry Osteoarthritis of their hips due to Avascular Necrosis underwent uncemented THA.

There were 12 male and 6 female patients.

Patient had their pre op WOMAC/SF-36/HOOS/and Oxford hip scores recorded preoperatively a well as 3 month, 6months and one year post op.

The outcome scores at one year were significantly better than the pre operative scores

However, when compared to a matched cohort of patients who underwent THA for reasons other than SCD/AVN, e.g. primary OA, rheumatoid arthritis, post traumatic OA, the WOMAC pain score improvement was less.