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Heart Lung Circ. 2001;10(1):S29-33. doi: 10.1046/j.1444-2892.2001.00073.x.

Developing performance indicators for cardiac surgery: a demonstration project in Victoria.

Heart, lung & circulation

C M Reid, A Solterbeck, B F Buxton, P D Skillington, G C Shardey, J A Smith, F L Rosenfeldt

Affiliations

  1. Cardiovascular Disease Prevention Unit, Baker Medical Research Institute, Australia. [email protected]

PMID: 16352014 DOI: 10.1046/j.1444-2892.2001.00073.x

Abstract

Six Victorian cardiac surgical units pooled data in order to undertake a demonstration project aimed at developing performance indicators to assess outcomes following cardiac surgery. The outcome of the project was an indicative report for the purpose of monitoring surgical performance indicators in a format suitable for: (i) the general public; (ii) the Victorian State Government; and (iii) the participating units and surgeons. Each participating cardiac surgical unit had an existing database used for recording information from each procedure. A request was made to each unit to extract a subset of data from all cases entered over the past 5 years. The proposed list of performance indicators included surgical mortality (within the period of admission for surgery), complication rates (including sternal infection, postoperative myocardial infarction, postoperative stroke, haemorrhage requiring return to theatre), and length of hospital stay. A model was developed from the data and used to provide risk-adjusted measures of hospital performance. Cases from five cardiac surgical units (n = 10 715) were included in the final analysis. A risk-adjusted model (including age, sex, diabetes, hypertension, smoking, procedure type, urgency of procedure) was developed for surgical mortality. Performance indicators for coronary artery bypass graft surgery, including mortality, sternal infection rate and length of hospital stay are presented. From the available data, performance indicators for cardiac surgery in Victorian hospitals compared favourably with international benchmarks. This project has demonstrated that prospective data collection using a standardised system could readily produce local risk-adjustment models for cardiac surgery to aid in developing appropriate performance indicators.

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