J L T Oomen1, A F Engel, M A Cuesta. 1. Departments of Surgery, Zaans Medical Centre, Zaandam, The Netherlands. j.oomen4@chello.nl
Abstract
OBJECTIVE: Auditing the outcome of surgery for complicated diverticulitis of the sigmoid colon is difficult. A comparison of studies is hardly possible because risk factors both in terms of the severity of diverticulitis and patient-related risk factors are neither well described nor standardized. The purpose of this study was to define morbidity and mortality of primary surgery for acute complications of diverticular disease of the sigmoid colon and to identify the relation between risk factors and morbidity and mortality. METHODS: In a prospective computerized morbidity and mortality registration from 1990 to 2002, 114 patients, who underwent surgery on an acute or urgent base for acute complications of diverticular disease of the sigmoid colon, were identified. In all patients the POSSUM score was calculated. To audit mortality rates a POSSUM based scoring system was introduced. RESULTS: Mortality was 16.7%, and morbidity 71.1%. Higher morbidity rates were significantly related to a higher POSSUM physiological score (P = 0.012) and to older age (P < 0.001). Higher mortality rates also were significantly related to a higher POSSUM physiological score (P < 0.001) and older age (P = 0.003). Patients who died had significantly more sepsis (P < 0.001), multiple organ failure (P = 0.027), cardiac (P < 0.001) and pulmonary (P = 0.013) complications. Gender, operation indication and type of neither surgery nor surgeon had a significant relation with morbidity or mortality. CONCLUSION: Surgery for acute complications of diverticular disease of the sigmoid colon carries a high morbidity rate and a substantial mortality rate. The majority of deceased patients had severe comorbidity. Post-operative mortality and morbidity are to a large extent driven by patient related factors. Elevated physiological severity scores and a lack of peri-operative management failures express this in the majority of deceased patients.
OBJECTIVE: Auditing the outcome of surgery for complicated diverticulitis of the sigmoid colon is difficult. A comparison of studies is hardly possible because risk factors both in terms of the severity of diverticulitis and patient-related risk factors are neither well described nor standardized. The purpose of this study was to define morbidity and mortality of primary surgery for acute complications of diverticular disease of the sigmoid colon and to identify the relation between risk factors and morbidity and mortality. METHODS: In a prospective computerized morbidity and mortality registration from 1990 to 2002, 114 patients, who underwent surgery on an acute or urgent base for acute complications of diverticular disease of the sigmoid colon, were identified. In all patients the POSSUM score was calculated. To audit mortality rates a POSSUM based scoring system was introduced. RESULTS: Mortality was 16.7%, and morbidity 71.1%. Higher morbidity rates were significantly related to a higher POSSUM physiological score (P = 0.012) and to older age (P < 0.001). Higher mortality rates also were significantly related to a higher POSSUM physiological score (P < 0.001) and older age (P = 0.003). Patients who died had significantly more sepsis (P < 0.001), multiple organ failure (P = 0.027), cardiac (P < 0.001) and pulmonary (P = 0.013) complications. Gender, operation indication and type of neither surgery nor surgeon had a significant relation with morbidity or mortality. CONCLUSION: Surgery for acute complications of diverticular disease of the sigmoid colon carries a high morbidity rate and a substantial mortality rate. The majority of deceased patients had severe comorbidity. Post-operative mortality and morbidity are to a large extent driven by patient related factors. Elevated physiological severity scores and a lack of peri-operative management failures express this in the majority of deceased patients.
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