Clinical audit in gynecological cancer surgery: development of a risk scoring system to predict adverse events.

Abstract:

BACKGROUND:Advanced gynecological surgery undertaken in a specialized gynecologic oncology unit may be associated with significant perioperative morbidity. Validated risk prediction models are available for general surgical specialties but currently not for gynecological cancer surgery. OBJECTIVE:The objective of this study was to evaluate risk factors for adverse events (AEs) of patients treated for suspected or proven gynecological cancer and to develop a clinical risk score (RS) to predict such AEs. METHODS:AEs were prospectively recorded and matched with demographical, clinical and histopathological data on 369 patients who had an abdominal or laparoscopic procedure for proven or suspected gynecological cancer at a tertiary gynecological cancer center. Stepwise multiple logistic regression was used to determine the best predictors of AEs. For the risk score (RS), the coefficients from the model were scaled using a factor of 2 and rounded to the nearest integer to derive the risk points. Sum of all the risk points form the RS. RESULTS:Ninety-five patients (25.8%) had at least one AE. Twenty-nine (7.9%) and 77 (20.9%) patients experienced intra- and postoperative AEs respectively with 11 patients (3.0%) experiencing both. The independent predictors for any AE were complexity of the surgical procedure, elevated SGOT (serum glutamic oxaloacetic transaminase, > or /=35 U/L), higher ASA scores and overweight. The risk score can vary from 0 to 14. The risk for developing any AE is described by the formula 100 / (1 + e((3.697 - (RS /2)))). CONCLUSION:RS allows for quantification of the risk for AEs. Risk factors are generally not modifiable with the possible exception of obesity.

journal_name

Gynecol Oncol

journal_title

Gynecologic oncology

authors

Kondalsamy-Chennakesavan S,Bouman C,De Jong S,Sanday K,Nicklin J,Land R,Obermair A

doi

10.1016/j.ygyno.2009.08.004

subject

Has Abstract

pub_date

2009-12-01 00:00:00

pages

329-33

issue

3

eissn

0090-8258

issn

1095-6859

pii

S0090-8258(09)00630-1

journal_volume

115

pub_type

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