Early efficacy of CABG care delivery in a low procedure-volume community hospital: operative and midterm results
Early efficacy of CABG care delivery in a low procedure-volume community hospital: operative and midterm results
Thomas J Papadimos , Robert H Habib , Anoar Zacharias , Thomas A Schwann , Christopher J Riordan , Samuel J Durham and Aamir Shah
BMC Surgery 2005,
5:10 doi:10.
Category: BMC-Surgery
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Early efficacy of CABG care delivery in a low procedure-volume community hospital: operative and midterm results
Thomas J Papadimos , Robert H Habib , Anoar Zacharias , Thomas A Schwann , Christopher J Riordan , Samuel J Durham and Aamir Shah
BMC Surgery 2005, 5:10 doi:10.1186/1471-2482-5-10
Published 2 May 2005
Abstract (provisional)
Background The Leapfrog Group recommended that coronary artery bypass grafting (CABG) surgery should be done at high volume hospitals (>450 per year) without corresponding surgeon-volume criteria. The latter confounds procedure-volume effects substantially, and it is suggested that high surgeon-volume (>125 per year) rather than hospital-volume may be a more appropriate indicator of CABG quality.
Methods We assessed 3-year isolated CABG morbidity and mortality outcomes at a low-volume hospital (LVH: 504 total cases) and compared them to the corresponding Society of Thoracic Surgeons (STS) national data over the same period (2001-2003). All CABGs were performed by 5 high-volume surgeons (161-285 per year). "Best practice" care at LVH - including effective practice guidelines, protocols, data acquisition capabilities, case review process, dedicated facilities and support personnel - were closely modeled after a high-volume hospital served by the same surgeon-team.
Results Operative mortality was similar for LVH and STS (OM: 2.38% vs. 2.53%), and the corresponding LVH observed-to-expected mortality (O/E= 0.81) indicated good quality relative to the STS risk model (O/E<1). Also, these results were consistent irrespective of risk category: O/E was 0, 0.9 and 1.03 for very-low risk (<1%), low risk (1-3%) and moderate-to-high risk category (>3%), respectively. Postoperative leg wound infections, ventilator hours, renal dysfunction (no dialysis), and atrial fibrillation were higher for LVH, but hospital stay was not. The unadjusted Kaplan-Meier survival for the LVH cohort was 96%, 94%, and 92% at one, two, and three years, respectively.
Conclusions Our results demonstrated that high quality CABG care can be achieved at LVH programs if 1) served by high volume surgeons and 2) patient care procedures similar to those of large programs are implemented. This approach may prove a useful paradigm to ensure high quality CABG care and early efficacy at low volume institutions.
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