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Can Patent Foramen Ovales Cause Problems?
Discussion During fetal development, the heart primum and secundum septa grow and overlap leaving a small but important channel between the two atria. The foramen ovale is a flap valve moving blood from the right atrium into the left atrium directly and bypassing the high pressure pulmonary system. After birth and breathing air, the neonate’s lungs open up and the pulmonary vascular resistance decreases. The left atrium now has a relatively higher pressure than the right atria, and therefore pressure on the flap valve closes the foramen ovale. Usually within 6-12 months, the fusion of the primum and secundum of the f...
Source: PediatricEducation.org - July 24, 2023 Category: Pediatrics Authors: Pediatric Education Tags: Uncategorized Source Type: news

Valve-in-valve transcatheter aortic valve implantation after failed surgically implanted aortic bioprosthesis versus native transcatheter aortic valve implantation for aortic stenosis: Data from a nationwide analysis.
CONCLUSION: We observed that valve-in-valve TAVI was associated with good short- and long-term outcomes. No significant differences were observed compared with native valve TAVI regarding clinical follow-up. PMID: 32532695 [PubMed - as supplied by publisher]
Source: Archives of Cardiovascular Diseases - June 8, 2020 Category: Cardiology Authors: Deharo P, Bisson A, Herbert J, Lacour T, Saint Etienne C, Jaussaud N, Theron A, Collart F, Bourguignon T, Cuisset T, Fauchier L Tags: Arch Cardiovasc Dis Source Type: research

Periprocedural Predictors of New-Onset Conduction Abnormalities After Transcatheter Aortic Valve Replacement.
CONCLUSIONS: Computed tomography assessment of membranous septal anatomy and implantation depth predicted CAs after TAVR with new-generation valves. Future studies are required to identify whether adjustment of the implantation depth can reduce the risk of CAs and adverse clinical outcomes. PMID: 32879221 [PubMed - as supplied by publisher]
Source: Circulation Journal - August 31, 2020 Category: Cardiology Authors: Matsushita K, Kanso M, Ohana M, Marchandot B, Kibler M, Heger J, Peillex M, Trimaille A, Hess S, Grunebaum L, Reydel A, De Poli F, Leddet P, Rischner J, Plastaras P, Jesel L, Morel O, Ohlmann P Tags: Circ J Source Type: research