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A Rare Complication of Transcatheter Aortic Valve Replacement: Aortic Root-Left Atrium Fistulization.

ABSTRACT: The authors report the case of an 87-year-old man undergoing transcatheter aortic valve replacement via transfemoral approach who developed a life-threatening complication, i.e., fistulization between the aortic root and the left atrium, which was successfully treated by surgery. At 6-month follow-up, the clinical course was uneventful. (Level of Difficulty: Beginner.).

SUBMITTER: Iesu S

PROVIDER: S-EPMC8301248 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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A Rare Complication of Transcatheter Aortic Valve Replacement: Aortic Root-Left Atrium Fistulization.

Iesu Severino S Vigorito Francesco F Iuliano Giuseppe G Masiello Paolo P Citro Rodolfo R

JACC. Case reports 20190821 2

The authors report the case of an 87-year-old man undergoing transcatheter aortic valve replacement via transfemoral approach who developed a life-threatening complication, i.e., fistulization between the aortic root and the left atrium, which was successfully treated by surgery. At 6-month follow-up, the clinical course was uneventful. (<b>Level of Difficulty: Beginner.</b>). ...[more]

PMID: 34316763

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Project description:BackgroundCoronary obstruction during transcatheter aortic valve replacement (TAVR) is a rare, yet life-threatening, complication. The routine use of left main (LM) protection with or without stent placement in high-risk patients remains controversial. The aim of this study was to evaluate the outcomes of LM protection during TAVR and identify anatomic factors associated with need for stent placement.MethodsWe retrospectively reviewed all TAVR cases (native and valve-in-valve) performed in our institution between 2014 and 2019 and identified patients who underwent LM protection with a coronary wire, balloon, and/or stent during the procedure. We compared the pre-TAVR computed tomography aortic root characteristics, procedural data, short-, and long-term outcomes among the patients who eventually received an LM stent and those who did not.ResultsAmong 1925 TAVR patients, 41 (2.1%) underwent LM protection, and 10 of them (25%) had eventually a stent placed in the LM for threatened obstruction after valve deployment. In the native TAVR group (n = 35), 8 patients underwent LM stenting. A larger TAVR prosthesis, larger annular circumference (83.8 vs 76.1 mm; P = .038), lower ratio of sinotubular junction diameter to prosthesis size (1.02 vs 1.11; P = .032), and longer left coronary cusp (15.1 vs 13.9 mm; P = .18) were associated with higher incidence of LM stenting. In the valve-in-valve TAVR group (n = 6), 5 patients had a valve-to-coronary distance of less than 4 mm, and 2 of them received an LM stent. Both stent and nonstent groups had excellent outcomes with no major adverse cardiovascular events or coronary obstruction at 30 days. After a median follow-up of 351 days, 4 patients died (9.7%) (1 in the stent and 3 in the nonstent group), without any cases of late coronary obstruction or percutaneous coronary intervention in either group.ConclusionsLM protection with a coronary guidewire, balloon, or stent is a safe and effective method of coronary protection during TAVR in appropriately selected high-risk patients. Annular circumference, prosthesis size, left coronary cusp length, LM ostial height, and ratio of sinotubular junction to prosthesis size are important predictors of stent deployment.

Dataset Information

A Rare Complication of Transcatheter Aortic Valve Replacement: Aortic Root-Left Atrium Fistulization.

Publications

A Rare Complication of Transcatheter Aortic Valve Replacement: Aortic Root-Left Atrium Fistulization.

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