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Thorac Cardiovasc Surg 2018; 66(04): 287-293
DOI: 10.1055/s-0037-1599128
Original Cardiovascular
Georg Thieme Verlag KG Stuttgart · New York

Evidence-based Surgery of Aortic Regurgitation: Results of a Questionnaire in German-speaking Countries

Christian Dinges
1   Department of Cardiac Surgery, Paracelsus Medical University, Salzburger Landeskliniken, Salzburg, Austria
,
Johannes Steindl
1   Department of Cardiac Surgery, Paracelsus Medical University, Salzburger Landeskliniken, Salzburg, Austria
,
Wolfgang Hitzl
2   Research Office (Biostatistics), Paracelsus Medical University, Salzburg, Austria
,
Tobias Kiesslich
3   Department of Internal Medicine I, Paracelsus Medical University, Salzburger Landeskliniken, Salzburg, Austria
4   Institute of Physiology and Pathophysiology, Paracelsus Medical University, Salzburg, Austria
,
Rainald Seitelberger
1   Department of Cardiac Surgery, Paracelsus Medical University, Salzburger Landeskliniken, Salzburg, Austria
› Author Affiliations
Further Information

Publication History

23 November 2016

22 December 2016

Publication Date:
04 March 2017 (online)

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Comment on:

Editor's CommentaryThorac Cardiovasc Surg eFirst
DOI: 10.1055/s-0037-1598114

Abstract

Background evidence-based medicine (EBM) approaches have reached broad acceptance, both in conservative and surgical disciplines. The aim of this study is to clarify the role of EBM in a rare condition of aortic regurgitation (AR) with surgical indication.

Methods A purpose-built Internet-based questionnaire was sent to 607 cardiovascular surgeons in Germany, Austria, and Switzerland. A virtual 64-year-old patient's medical history was presented, including two ultrasound images and one computed tomography scan, showing a 58-mm aortic root aneurysm and a severe trileaflet regurgitant aortic valve. Participants had to choose their preferred therapeutic strategy from a list. Additionally, demographics including nationality, the center size, and the frequency of similar types of patients referred to their departments were collected.

Results Of 607 questionnaires, 100 were returned (16%). One participant was excluded due to conflicting answers. Most surgeons (n = 84; 84%) chose a valve-sparing root replacement (VSRR). A Bentall procedure was preferred by 13 surgeons (13%). Two surgeons voted for aortic valve replacement combined with partial root resection. The decision-making process was not significantly influenced by center size, nationality, or frequency of patients.

Conclusion Applying the current guidelines to our virtual study patient, 84% of participants acted accordingly choosing VSRR. Remarkably, 14% of these surgeons see less than 10 and 43% see not more than 20 comparable patients per year. Since the guidelines reserve VSRR for competent centers, those numbers as well as the guidelines themselves should be further discussed.

Keywords

aortic valve - aortic root - heart valve surgery - cardiac - aorta/aortic
 

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