This protocol covers iron-deficiency anemia in patients with suspected small-bowel bleeding from angioectasias — vascular lesions that can drive occult blood loss and iron depletion that is difficult to correct through standard means alone.
When iron-deficiency anemia is suspected to arise from small-bowel bleeding angioectasias, deep enteroscopy is the pivotal investigative and therapeutic step. Procedural technique — including use of a distal attachment — is recommended to improve lesion detection and to facilitate direct treatment.
For refractory cases in which iron replacement and endoscopic therapy have not been sufficient, medical therapy may be considered as a next option; the full protocol specifies the relevant agent class, patient selection, and sequencing required before escalation.
DOI: 10.1016/j.cgh.2024.03.046
Deep enteroscopy performed in patients with iron-deficiency anemia suspected to have small-bowel bleeding angioectasias should be performed with a distal attachment to improve detection and facilitate treatment.
Medical therapy for small-bowel angioectasias should be reserved for compassionate treatment in refractory cases when iron replacement and endoscopic therapy are ineffective.
Current data suggest that adjunct medical therapy including iron therapy and somatostatin analogues may be beneficial in increasing hemoglobin levels, decreasing transfusion requirements, and reducing hospital admissions secondary to rebleeding.
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