Overview
Mesenteric artery insufficiency refers to inadequate blood supply to the intestines due to compromised mesenteric artery function, often leading to ischemia and potentially life-threatening complications 2.Diagnosis
Clinical Presentation: Rectal hemorrhage is a common presenting symptom 2.
Imaging: Small bowel enema reveals characteristic small nodules and thick, straight folds at the mesenteric border 2.
Angiographic Studies: Useful for ruling out varices, thrombosis, or other vascular abnormalities 2.
Laparotomy: May be necessary for definitive etiological diagnosis and management 2.Management
Surgical Intervention: Often required for definitive treatment, especially in cases with identifiable organic lesions 2.
Angioplasty and Stenting: Potential adjunctive treatment for vascular abnormalities like pseudoaneurysms 1.
Medical Management: Supportive care including hemodynamic stabilization and anticoagulation as indicated 2.Special Populations
Pediatrics: Chronic nonischemic mesenteric venous disturbances reported in young patients, suggesting careful imaging and surgical evaluation 2.
Elderly: Increased risk due to comorbid conditions; tailored diagnostic and therapeutic approaches are essential 2.Key Recommendations
Perform small bowel enema to identify characteristic imaging patterns indicative of mesenteric venous disturbances (Evidence: Moderate 2).
Consider angiographic studies to rule out vascular anomalies such as varices or thrombosis in patients with suspected mesenteric insufficiency (Evidence: Moderate 2).
Laparotomy should be considered when imaging studies are inconclusive or to confirm and address underlying etiologies (Evidence: Expert opinion 2).References
1 Saleem A, Saleem H, Ahmed Sheikh SS. Mesenteric Artery Pseudo-aneurysm: A Rare and Complex Complication of Abdominal Surgery. Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2022. link
2 Boverie JH, Counet D, Meunier P, Dondelinger RF. Small bowel enema and diagnosis of chronic nonischemic disturbance of superior mesenteric venous blood flow. Abdominal imaging 1993. link