PubMed · 3393441
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Y Campen. Breaking new ground.. https://pubmed.ncbi.nlm.nih.gov/3393441/
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OBJECTIVE: The aim of the study was to use the physiological and operative severity score for the enumeration of mortality and morbidity (POSSUM) to assess the performance of our thoracic surgery unit during two successive periods of activity. METHODS: From 1992 through 1997, 801 candidates for thoracic procedures at our institution were considered for the study. After validation of the logistic regression model, including the POSSUM score, observed and POSSUM-predicted morbidities were compared within two groups of patients divided by year of operation (group 1: 1992-1994, n=362; group 2: 1995-1997, n=439) by means of the z-test for the comparison of a proportion with an expected value. RESULTS: The POSSUM-predicted morbidity was significantly lower than the observed one in the first period of activity of our unit (19.6 vs. 24.3%, respectively; z-test for the comparison of a proportion with an expected value, 2.25; P=0.01), whereas no difference was found in the second period (20.5 vs. 19.1%, respectively; z-test for the comparison of a proportion with an expected value, -0.71; P=0.76). CONCLUSIONS: The result suggests a worse-than-expected performance of our unit in the first period of activity, showing that POSSUM can be reliably applied as an instrument of internal comparative audit in a thoracic surgery unit.
Quality assurance ensures that planned treatments eventuate. Programmes must include feedback loops to promptly correct any shortfall in predetermined standards. In March 1999, a weekly Chart Round was introduced to verify that certain items relevant to quality care were being completed for patients of the Head and Neck Radiotherapy Unit at the Peter MacCallum Cancer Institute. The experience was reviewed after 1 year and it was found that the initiation of Chart Rounds has assisted in raising the level of item completion from 80% to 99% in similar groups of patients treated before and after the initiation of the Chart Round. Initiation of the Chart Round has also provided a useful forum for in-house peer-review, education and effective real-time communication between medical and allied health personnel, all of which has further added to the quality of patient care.
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