Introduction: Pregnancy has been demonstrated as a significant risk factor of splenic artery aneurysm (SAA) formation and rupture. However, prompt diagnosis of SAA rupture in a pregnant patient showing acute abdomen has been practically challenging in light of its rarity and vague initial presentation.
Presentation of case: A 40-year-old woman (gravida 1, para 0) at 35 weeks' gestation presented to the emergency department with upper abdominal pain and nausea. Because of fetal dysfunction, emergency caesarian section was performed by a Pfannenstiel incision. Following delivery, 400 g of hemorrhage was removed from the upper abdominal cavity. Computed tomography showed a 37-mm SAA associated with copious adjacent fluid. Although selective angiography did not demonstrate active extravasation, interventional isolation of the SAA was not performed because of multiple surrounding arteries. Relaparotomy with an upper midline incision was then performed. Sudden cardiac arrest occurred upon opening the lesser sac to irrigate clots, and cardiac massage and proximal and distal clamping of the SAA were required. Eventually, splenectomy with excision of the SAA and pancreatic tail was successfully performed, but gauze packing of the open surgical wound was required because of severe coagulopathy. Following removal of the packs and closure of the abdomen 2 days after splenectomy, the patient and infant satisfactorily recovered without sequelae.
Discussion: Given continual awareness of abdominal vascular collapse during pregnancy, undelayed diagnosis and safer intervention might be achieved.
Conclusion: Awareness at initial presentation and multidisciplinary efforts might be essential to achieve maternal and fetal survival in SAA rupture during pregnancy.
Keywords: Pregnancy; Rupture; Splenic artery aneurysm.
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