TITLE

POSSUM and Its Related Models as Predictors of Postoperative Mortality and Morbidity in Patients Undergoing Surgery for Gastro-oesophageal Cancer: A Systematic Review

AUTHOR(S)
Dutta, Sumanta; Horgan, Paul G.; McMillan, Donald C.
PUB. DATE
September 2010
SOURCE
World Journal of Surgery;Sep2010, Vol. 34 Issue 9, p2076
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Gastro-oesophageal surgery is associated with appreciable postoperative morbidity and mortality. POSSUM (Physiological and Operative Severity Score for the enUmeration of Mortality and Morbidity) and its related models P-POSSUM and O-POSSUM have been developed to predict such events in general surgery. The aim was to undertake the first systematic review of the use of these models in gastro-oesophageal surgery patients. An online database search was carried out from 1991 to December 2008. Twenty-two published studies in gastro-oesophageal cancer surgery were identified. Twelve studies were found not to address the above aim, leaving ten relevant publications for analysis. Pooled data from these studies showed the weighted observed-to-expected ratio (O/E) for postoperative mortality using POSSUM ( n = 1189), P-POSSUM ( n = 2314), and O-POSSUM ( n = 1755) was 0.37, 0.83, and 0.51, respectively. The weighted O/E for morbidity using POSSUM ( n = 1038) was 0.86. POSSUM and O-POSSUM most significantly overestimated postoperative mortality in gastro-oesophageal cancer patients. In contrast, P-POSSUM had the least overestimation and may be the most useful predictor of likely postoperative mortality in these patients.
ACCESSION #
52760363

 

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