Abstract:
BACKGROUND:The expansion of the transcatheter aortic valve replacement (TAVR) indication towards patients with intermediate surgical risk (Ref. Society of Thoracic Surgeons, STS, score) was analyzed. The aim was to investigate if the complication rates particularly with respect to TAVR and surgical aortic valve replacement (SAVR) concerning patients with intermediate risk are comparable. METHODS:An analysis of serious adverse events (SAEs) and complication rates in clinical trials with TAVR and SAVR of these patients in comparison with high surgical risk patients was performed with the scientific literature and in the Federal Institute for Drugs and Medical Devices (Bundesinstitut für Arzneimittel und Medizinprodukte, BfArM) database (2012-2017). RESULTS:In several studies for intermediate-risk TAVR patients the published data showed that some complication rates (e. g. mortality) are comparable or better than for intermediate-risk SAVR patients. The analysis of the BfArM database in study 1 (TAVR) resulted in a lower all-cause mortality for intermediate-risk patients (0.9% at 30 days and 7.3% at 1 year post-procedure) than concerning high-risk patients (5.2% at 30 days and 15.7% at 1 year post-procedure). In study 1 the cardiovascular mortality was altogether 11.5% at 4 years post-procedure (9.2% for intermediate and 13.4% for high-risk patients), in study 2 (patients with high-risk) at 4 years it was 15.5% in the TAVR group with slightly lower cardiovascular mortality for SAVR patients with 14.8%. CONCLUSION:In the analysis TAVR interventions have favorable incidences concerning mortality (all-cause and cardiovascular) for intermediate-risk patients. Recently, a transcatheter aortic heart valve with this expanded risk indication received a CE label for the first time in Europe; however, the results of larger clinical studies are relevant for the evaluation (e. g. long-term function over more than 5 years) of TAVR valves for intermediate-risk patients.
journal_name
Herzjournal_title
Herzauthors
Barth Udoi
10.1007/s00059-018-4680-8subject
Has Abstractpub_date
2019-09-01 00:00:00pages
526-533issue
6eissn
0340-9937issn
1615-6692pii
10.1007/s00059-018-4680-8journal_volume
44pub_type
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