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Jpn Heart J. 1996 May;37(3):409-15.

Defecation induced deep venous thrombosis. A case report.

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  • 1Emergency Department, Chang Gung Memorial Hospital, Taipei, Taiwan, R.O.C.


While the risk of deep venous thrombosis (DVT) during prolonged fights is well recognized, we present the case of a 54-year-old male who suffered a deep venous thrombosis following defecation. Defecation, through a combination of the Valsalva maneuver and squatting, led to a DVT due to venous stasis, most marked in the left leg. Color-duplex scanning not only proved a convenient diagnostic tool but also allowed for monitoring and documentation of popliteal and saphenous vein recanalization. Being non-invasive and complication-free, color-duplex scanning should be considered for any patient in whom DVT is a possibility.

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