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Balloon Valvuloplasty Followed by Transcatheter Aortic Valve Implantation as a Staged Procedure in Patients With Low-Flow Low-Gradient Aortic Stenosis.
Journal of Invasive Cardiology 2018 December
OBJECTIVE: Balloon aortic valvuloplasty (BAV) as a bridge to transcatheter aortic valve implantation (TAVI) is a well-established treatment option in patients who are in a critical state or who suffer from underlying comorbidities that disguise the severity of aortic stenosis (AS). If convalescence is achieved, TAVI can be performed with good results in high-gradient aortic stenosis (HG-AS) patients. Whether this approach is safe and effective in low-flow low-gradient aortic stenosis (LFLG-AS) has not been analyzed; therefore, we investigated whether BAV followed by TAVI as a staged procedure is an effective treatment option in patients with LFLG-AS.
METHODS: Patients with severe AS who received BAV followed by staged TAVI were identified. Baseline data, periprocedural and postprocedural information, echocardiographic data, and follow-up data were collected. The patient population was divided into LFLG-AS and HG-AS groups.
RESULTS: From July 2009 until September 2017, we identified 38 eligible patients (16 LFLG-AS and 22 HG-AS). Log EuroScore I (51.8 ± 20.9% LFLG-AS vs 33.7 ± 19.1% HG-AS; P<.01) differed significantly between groups, as did baseline echocardiographic data that were used to categorize groups. BAV and staged TAVI were carried out 100% successfully with comparable results. Instant symptom relief and pressure gradient reduction were accomplished after both procedures. Thirty-day mortality rates (0% LFLG-AS vs 9% HG-AS; P=.21) and 1-year mortality rates (18.8% LFLG-AS vs 27.2% HG-AS; P=.54) did not differ between groups.
CONCLUSION: BAV followed by staged TAVI is a safe and effective treatment option in sick or questionable candidates, irrespective whether LFLG-AS or HG-AS is present.
METHODS: Patients with severe AS who received BAV followed by staged TAVI were identified. Baseline data, periprocedural and postprocedural information, echocardiographic data, and follow-up data were collected. The patient population was divided into LFLG-AS and HG-AS groups.
RESULTS: From July 2009 until September 2017, we identified 38 eligible patients (16 LFLG-AS and 22 HG-AS). Log EuroScore I (51.8 ± 20.9% LFLG-AS vs 33.7 ± 19.1% HG-AS; P<.01) differed significantly between groups, as did baseline echocardiographic data that were used to categorize groups. BAV and staged TAVI were carried out 100% successfully with comparable results. Instant symptom relief and pressure gradient reduction were accomplished after both procedures. Thirty-day mortality rates (0% LFLG-AS vs 9% HG-AS; P=.21) and 1-year mortality rates (18.8% LFLG-AS vs 27.2% HG-AS; P=.54) did not differ between groups.
CONCLUSION: BAV followed by staged TAVI is a safe and effective treatment option in sick or questionable candidates, irrespective whether LFLG-AS or HG-AS is present.
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