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[Mesenteric vein thrombosis after devasculation for portal hypertension]
Summary
Mesenteric vein thrombosis (MVT) is a dangerous complication following portal hypertension surgery. Early detection and surgical resection of affected bowel, followed by anticoagulation, are crucial for survival.
Area of Science:
- Vascular Surgery
- Gastroenterology
- Hepatology
Context:
- Mesenteric vein thrombosis (MVT) is a severe complication following surgical revascularization procedures for portal hypertension.
- This condition can lead to significant morbidity and mortality if not promptly addressed.
Purpose:
- To analyze the outcomes of intestinal resection in patients who developed MVT after revascularization for portal hypertension.
- To identify pathogenic factors contributing to MVT and to recommend management strategies.
Summary:
- Six patients with MVT post-revascularization underwent intestinal resection; 2 survived, and 4 died (66.7% mortality).
- Recurrence of thrombosis occurred in two patients.
- Key factors for thrombus formation include portal congestion, hypercoagulable state, and extensive portal branch ligation.
- Abdominal pain disproportionate to physical findings is characteristic of MVT.
- Effective treatment involves resection of infarcted bowel with adequate margins.
Impact:
- Highlights MVT as an underappreciated and potentially lethal complication of portal hypertension surgery.
- Emphasizes the importance of postoperative anticoagulation to prevent thrombosis recurrence.
- Informs surgical decision-making and postoperative care protocols for patients at risk of MVT.