Leg scanning with radioisotope-labeled fibrinogen in patients undergoing hip surgery. Comparison with contrast phlebography and lung scans

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Abstract
\s=b\To establish whether radioisotope-labeled fibrinogen leg scanning is of value in the context of hip surgery, we prospectively studied 21 consecutive patients undergoing either total hip replacement (14) or open repair of a hip fracture (seven) with leg scans, contrast phlebography, and ventilation and perfusion lung scans. We found that in eight patients (38%), venous thromboembolism developed postoperatively. Agreement between phlebo- graphic and leg scanning results was excellent. In no patient was venous thrombosis limited to the thigh on the operated-on side, a vital consideration in application of fibrinogen leg scanning to this patient population. Two patients had lung scan changes indicative of embolism; both had thrombi extending into thigh veins. Leg scanning with radioisotope-labeled fibrinogen appears to be a useful method for monitoring patients undergoing hip surgery, if the upper three counting points on the operated-on side are excluded.

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