Impact of mandatory preoperative dental screening on post-procedural risk of infective endocarditis in patients undergoing transcatheter aortic valve implantation: a nationwide retrospective observational study

Lytfi Krasniqi*, Lars Peter Schødt Riber, Henrik Nissen, Christian Juhl Terkelsen, Niels Holmark Andersen, Philip Freeman, Jonas A. Povlsen, Oke Gerke, Marie Annick Clavel, Jordi Sanchez Dahl

*Kontaktforfatter

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Abstract

Background
Guidelines recommend preoperative dental screening (PDS) prior to cardiac valve surgery, to reduce the incidence of prosthetic valve infective endocarditis (IE). However, limited data support these recommendations, particular in patients undergoing transcatheter aortic valve implantation (TAVI). We aimed to investigate the effect of mandatory PDS on risk of IE in patients undergoing TAVI.

Methods
In this observational study, a total of 1133 patients undergoing TAVI in Western-Denmark from 2020 to 2022 were included. Patients were categorized based on two implemented PDS practices: mandatory PDS (MPDS group), and no referral for PDS (NPDS group). Outcome data were retrieved from Danish registries and confirmed using medical records. The primary outcome was incidence of IE. Secondary outcomes were all-cause mortality and composite outcome of all-cause mortality and IE.

Findings
Of 568 patients in the MPDS group 126 (22.2%) underwent subsequent oral dental surgery, compared to 8 (1.4%) among 565 patients in the NPDS group. During a median follow-up of 1.9 years (interquartile range 1.4–2.5 years), 31 (2.7%) developed IE. The yearly incidence IE rate was 1.4% (0.8–2.3) and 1.5% (0.8–2.4) in MPDS and NPDS, respectively, p = 0.86. All-cause mortality rates were similar between groups (estimated 2-year overall mortality of 6.7% (4.8–9.2) vs. 4.7% (3.2–6.9), MPDS and NPDS, respectively, p = 0.15). Consistent findings were found in 712 propensity score-matched patients.

Interpretation
Mandatory PDS did not demonstrate reduced risk of IE or all-cause mortality compared to targeted PDS in patients undergoing TAVI.
OriginalsprogEngelsk
Artikelnummer100789
TidsskriftThe Lancet Regional Health - Europe
Vol/bind36
ISSN2666-7762
DOI
StatusUdgivet - jan. 2024

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© 2023 The Author(s).

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