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Area of Science:

  • Vascular Surgery
  • Internal Medicine
  • High-Altitude Physiology

Background:

  • High altitude environments pose unique physiological challenges.
  • Venous thromboembolism is a recognized risk, but specific manifestations in abdominal vessels are less understood.
  • Prolonged stays at high altitude have been anecdotally linked to various medical conditions.

Purpose of the Study:

  • To present two cases of abdominal venous thrombosis.
  • To highlight the association between high altitude exposure and these thromboses.
  • To discuss diagnostic and management strategies.

Main Methods:

  • Case report analysis of two patients.
  • Diagnostic imaging including CT scan and color Doppler ultrasound.
  • Clinical assessment and follow-up.

Main Results:

  • Two patients developed portal, splenic, and superior mesenteric vein thromboses after prolonged high altitude stays.
  • Initial symptoms were vague abdominal pain, progressing to hepatosplenomegaly and pleural effusion.
  • Diagnosis confirmed by imaging showing thrombosed veins and portosystemic collaterals.
  • One patient required splenectomy for a splenic hematoma.

Conclusions:

  • High altitude exposure is a potential risk factor for abdominal venous thrombosis.
  • Early diagnosis via imaging is essential.
  • Prompt anticoagulation therapy is effective in managing these cases.
  • Surgical intervention may be necessary for complications like splenic hematoma.