RESEARCH ARTICLE


Type of Valvular Heart Disease Requiring Surgery in the 21st Century: Mortality and Length-of-Stay Related to Surgery



Konstantinos Dean Boudoulas1, *, Yazhini Ravi2, Daniel Garcia1, Uksha Saini1, Gbemiga G. Sofowora1, Richard J. Gumina2, Chittoor B. Sai-Sudhakar2
1 Department of Medicine, Division of Cardiovascular Medicine, The Ohio State University, Columbus, Ohio, USA
2 Department of Surgery, Division of Cardiac Surgery, The Ohio State University, Columbus, Ohio, USA


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© Boudoulas et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at The Ohio State University, Department of Medicine/Cardiovascular Medicine, 473 W. 12th Avenue, Suite 200, Columbus, Ohio 43210; Tel: 011-1-614-293-7885; Fax: 011-1-614-247-7789; Email: kdboudoulas@osumc.edu


Abstract

Aim:

While the incidence of rheumatic heart disease has declined dramatically over the last half-century, the number of valve surgeries has not changed. This study was undertaken to define the most common type of valvular heart disease requiring surgery today, and determine in-hospital surgical mortality and length-of-stay (LOS) for isolated aortic or mitral valve surgery in a United States tertiary-care hospital.

Methods:

Patients with valve surgery between January 2002 to June 2008 at The Ohio State University Medical Center were studied. Patients only with isolated aortic or mitral valve surgery were analyzed.

Results:

From 915 patients undergoing at least aortic or mitral valve surgery, the majority had concomitant cardiac proce-dures mostly coronary artery bypass grafting (CABG); only 340 patients had isolated aortic (n=204) or mitral (n=136) valve surgery. In-hospital surgical mortality for mitral regurgitation (n=119), aortic stenosis (n=151), aortic insufficiency (n=53) and mitral stenosis (n=17) was 2.5% (replacement 3.4%; repair 1.6%), 3.9%, 5.6% and 5.8%, respectively (p=NS). Median LOS for aortic insufficiency, aortic stenosis, mitral regurgitation, and mitral stenosis was 7, 8, 9 (replacement 11.5; repair 7) and 11 days, respectively (p<0.05 for group). In-hospital surgical mortality for single valve surgery plus CABG was 10.2% (p<0.005 compared to single valve surgery).

Conclusions:

Aortic stenosis and mitral regurgitation are the most common valvular lesions requiring surgery today. Surgery for isolated aortic or mitral valve disease has low in-hospital mortality with modest LOS. Concomitant CABG with valve surgery increases mortality substantially. Hospital analysis is needed to monitor quality and stimulate improvement among Institutions.

Keywords: : Heart valve, aortic valve, mitral valve, surgery, outcomes..