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Asymptomatic Aorto-Atrial Fistula Secondary to Surgical Repair of Ascending Aortic Dissection: When to Do Nothing.

ABSTRACT: Secondary aorto-atrial fistula is a rare but potentially life-threatening complication of ascending aortic dissection surgical repair. Secondary aorto-atrial fistulas commonly lead to symptomatic heart failure requiring emergent repair. We present a rare case of secondary aorto-atrial fistula after surgical repair of aortic dissection that remained asymptomatic for a decade. (Level of Difficulty: Intermediate.).

SUBMITTER: Fogelson B

PROVIDER: S-EPMC9334139 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Asymptomatic Aorto-Atrial Fistula Secondary to Surgical Repair of Ascending Aortic Dissection: When to Do Nothing.

Fogelson Benjamin B Black William W Goodwin Rachel P RP Dieter Raymond R Baljepally Raj R

JACC. Case reports 20220720 14

Secondary aorto-atrial fistula is a rare but potentially life-threatening complication of ascending aortic dissection surgical repair. Secondary aorto-atrial fistulas commonly lead to symptomatic heart failure requiring emergent repair. We present a rare case of secondary aorto-atrial fistula after surgical repair of aortic dissection that remained asymptomatic for a decade. (<b>Level of Difficulty: Intermediate.</b>). ...[more]

PMID: 35912326

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Project description:IntroductionAlarming outcomes have been reported following infected endovascular aortic aneurysm repair (EVAR) device explantation. Infected fenestrated EVAR (FEVAR) exposes patients to even worse procedural risks.ReportA 67 year old man with a prior history of FEVAR presented with impaired general condition, abdominal and back pain, and increased C reactive protein. Computed tomography angiography revealed a collection around the aortic graft bifurcation and 18F-fluorodeoxyglucose-positron emission tomography (FDG-PET) revealed increased FDG uptake at this level, confirmed by labelled white blood cells, all favouring graft infection. A thoracophrenolumbotomy was performed and revealed an aorto-enteric fistula which was treated by small bowel resection. The left renal artery was transected at the distal end of the bridging stent and a thoracorenal bypass was performed. The thoracic aorta was cross clamped above the coeliac trunk for complete graft excision. Meanwhile, the right kidney was perfused with 4°C Ringer lactate solution. In situ reconstruction was accomplished with a bifurcated antimicrobial graft sutured below the superior mesenteric artery with re-implantation of the right renal artery. The patient was left with a laparostomy for definitive abdominal closure, restoration of the digestive tract, and omental wrap 72 hours later. Broad spectrum antibiotic therapy was initiated peri-operatively and reduced to sulfamethoxazole/trimethoprim for a total duration of six weeks after one sample was positive for Moraxella osloensis. Eleven months later, the patient was free from re-infection, with no fever or inflammatory syndrome.DiscussionTotal explantation of stent grafts with tissue debridement and post-operative antibiotic therapy is the gold standard when dealing with infected EVAR. As with type IV thoraco-abdominal aneurysm open repair, FEVAR device explantation requires additional protective measures to prevent visceral ischaemia and renal impairment. In agreement with the European Society for Vascular Surgery guidelines, such patients should be referred to dedicated vascular centres with expertise in surgical repair, anaesthetics, and post-operative intensive care.

Dataset Information

Asymptomatic Aorto-Atrial Fistula Secondary to Surgical Repair of Ascending Aortic Dissection: When to Do Nothing.

Publications

Asymptomatic Aorto-Atrial Fistula Secondary to Surgical Repair of Ascending Aortic Dissection: When to Do Nothing.

Similar Datasets

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