Diseases of the colon and rectum · 2013
Population-based use of sphincter-preserving surgery in patients with rectal cancer: is there room for improvement?
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Richardson Devon P, Porter Geoff A, Johnson Paul M
Аннотация
BACKGROUND: Treatment of rectal cancer in North America has been associated with lower rates of sphincter-preserving surgery in comparison with other regions. It is unclear if these lower rates are due to patient, tumor, or treatment factors; thus, the potential to increase the use of sphincter-preserving surgery is unknown.
OBJECTIVE: The aim of this study is to identify the factors associated with the use of sphincter-preserving surgery and to quantify the potential for an increase in sphincter preservation.
DESIGN: This population-based retrospective cohort study used patient-level data collected through a comprehensive, standardized review of hospital inpatient and outpatient medical records and cancer center charts.
SETTINGS: This study was conducted in all hospitals providing rectal cancer surgery in a Canadian province.
PATIENTS: All patients with a new diagnosis of rectal cancer from July 1, 2002 to June 30, 2006 who underwent potentially curative radical surgery were included.
MAIN OUTCOME MEASURES: Logistic regression was used to identify factors associated with receiving a permanent colostomy. Patients were categorized as having received an appropriate or potentially inappropriate colostomy based on a priori determined patient, tumor, operative, and pathologic criteria.
RESULTS: Of 466 patients who underwent radical surgery, 48% received a permanent colostomy. There was significant variation in the rate of sphincter-preserving surgery among the 10 hospitals that provided rectal cancer care (12%-73%, p = 0.0001). On multivariate analysis, male sex, low tumor height, and increasing tumor stage were associated with the receipt of a permanent colostomy. Among patients who received a permanent stoma, 65 of 224 (29%) patients received a potentially inappropriate stoma. On multivariate analysis, male sex and treatment in a medium- or low-volume hospital was associated with the receipt of a potentially inappropriate colostomy.
LIMITATIONS: This study was limited by its retrospective design.
CONCLUSIONS: These data suggest that the receipt of a permanent colostomy by many patients with rectal cancer may be inappropriate, and there is potential to increase the use of sphincter-preserving surgery in patients with rectal cancer.
OBJECTIVE: The aim of this study is to identify the factors associated with the use of sphincter-preserving surgery and to quantify the potential for an increase in sphincter preservation.
DESIGN: This population-based retrospective cohort study used patient-level data collected through a comprehensive, standardized review of hospital inpatient and outpatient medical records and cancer center charts.
SETTINGS: This study was conducted in all hospitals providing rectal cancer surgery in a Canadian province.
PATIENTS: All patients with a new diagnosis of rectal cancer from July 1, 2002 to June 30, 2006 who underwent potentially curative radical surgery were included.
MAIN OUTCOME MEASURES: Logistic regression was used to identify factors associated with receiving a permanent colostomy. Patients were categorized as having received an appropriate or potentially inappropriate colostomy based on a priori determined patient, tumor, operative, and pathologic criteria.
RESULTS: Of 466 patients who underwent radical surgery, 48% received a permanent colostomy. There was significant variation in the rate of sphincter-preserving surgery among the 10 hospitals that provided rectal cancer care (12%-73%, p = 0.0001). On multivariate analysis, male sex, low tumor height, and increasing tumor stage were associated with the receipt of a permanent colostomy. Among patients who received a permanent stoma, 65 of 224 (29%) patients received a potentially inappropriate stoma. On multivariate analysis, male sex and treatment in a medium- or low-volume hospital was associated with the receipt of a potentially inappropriate colostomy.
LIMITATIONS: This study was limited by its retrospective design.
CONCLUSIONS: These data suggest that the receipt of a permanent colostomy by many patients with rectal cancer may be inappropriate, and there is potential to increase the use of sphincter-preserving surgery in patients with rectal cancer.