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Related Experiment Videos

Defecation induced deep venous thrombosis. A case report

G Chew1, W B Liao, T S Hsu

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

Japanese Heart Journal
|May 1, 1996
PubMed
Summary

Defecation can trigger deep venous thrombosis (DVT) due to the Valsalva maneuver and squatting, leading to venous stasis. Color-duplex scanning is a safe and effective tool for diagnosing and monitoring DVT.

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Area of Science:

  • Vascular Medicine
  • Diagnostic Imaging

Background:

  • Deep venous thrombosis (DVT) is commonly associated with prolonged immobility.
  • The physiological mechanisms of defecation, including the Valsalva maneuver and squatting, can increase intra-abdominal and venous pressures.

Observation:

  • A case report of a 54-year-old male presenting with DVT following defecation is detailed.
  • The DVT was predominantly observed in the left leg, consistent with venous stasis.
  • Color-duplex scanning was utilized for diagnosis and monitoring.

Findings:

  • Defecation-induced venous stasis, exacerbated by the Valsalva maneuver and squatting, is a potential cause of DVT.
  • Color-duplex scanning effectively diagnosed popliteal and saphenous vein thrombosis.
  • The study documented vein recanalization using color-duplex scanning.

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Implications:

  • This case highlights an unusual trigger for DVT, expanding the understanding of risk factors.
  • Color-duplex scanning is presented as a non-invasive, complication-free method for DVT diagnosis and management.
  • Clinicians should consider defecation as a potential precipitating event for DVT in relevant patient populations.