Life‐threatening gastrointestinal bleeding from splenic artery pseudoaneurysm due to gastric ulcer penetration treated by surgical hemostasis with resuscitative endovascular balloon occlusion of the aorta: A case report
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Abstract
We report the case of a patient for whom surgical hemostasis of gastrointestinal bleeding
due to a splenic artery pseudoaneurysm, which developed due to gastric ulcer penetration,
was achieved with resuscitative endovascular balloon occlusion of the aorta without
ischemia of organs including the spleen.
Abstract
Upper gastrointestinal bleeding caused by ruptured splenic artery pseudoaneurysms
(SAPs) confers a significant risk. Thus, strategies involving resuscitative endovascular
balloon occlusion of the aorta play a crucial role in treating ruptured SAPs.
Splenic artery pseudoaneurysm is uncommon. We report our institution's recent 18-year experience with these aneurysms and review the literature. We reviewed the records for 37 patients with visceral artery pseudoaneurysm evaluated at our institution from 1980 to 1998. From this group we found only 10 patients (27%) with splenic artery pseudoaneurysm. We also reviewed 147 cases of splenic artery pseudoaneurysm reported in the English literature. In this series of 10 patients, 5 were men. Mean age was 51.2 years (range, 35-78 years). Causes of aneurysm included chronic pancreatitis in 4 patients, trauma in 2 patients, iatrogenic cause in 1 patient, and unknown cause in 3. The most common symptom was bleeding in 7 patients and abdominal or flank pain in 5 patients; 2 patients had no symptoms. Aneurysm diameter was known for four pseudoaneurysms, and ranged from 0.3 to 3 cm (mean, 1.7 cm). Splenectomy and distal pancreatectomy were performed in 4 patients, splenectomy alone in 2 patients, endovascular transcatheter embolization in 2 patients, and simple ligation in 1 patient. One patient with a ruptured pseudoaneurysm died before any intervention could be performed; there were no postoperative deaths. Follow-up data were available for 7 patients, with a mean of 46.3 months (range, 4.5-120 months). Splenic artery pseudoaneurysm is rare and usually is a complication of pancreatitis or trauma. Average aneurysm diameter in our series of 10 patients was smaller than previously reported (1.7 cm vs 5.0 cm). Although conservative management has produced excellent results in some reports, from our experience and the literature, we recommend repair of all splenic artery pseudoaneurysms.
Hemorrhagic shock is the second leading cause of death in blunt trauma and a significant cause of mortality in non-trauma patients. The increased use of resuscitative endovascular balloon occlusion of the aorta (REBOA) as a bridge to definitive control for massive hemorrhage has provided promising results in the trauma population. We describe an extension of this procedure to our hemodynamically unstable non-trauma patients.
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