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Morbidity and Mortality Assessment of Cytoreductive Surgery and Perioperative Intraperitoneal Chemotherapy for Diffuse Malignant Peritoneal Mesothelioma—A Prospective Study of 70 Consecutive Cases

Peritoneal Surface Malignancy Program, Washington Cancer Institute, Washington Hospital Center, 106 Irving Street, NW, Suite 3900N, Washington, DC 20010, USA

Correspondence: Address correspondence and reprint requests to: Dr. Paul H. Sugarbaker, MD; E-mail: Paul.Sugarbaker{at}medstar.net

Background: Although many reports regarding morbidity and mortality of cytoreductive surgery plus perioperative intraperitoneal chemotherapy are available, there are no prospective data on morbidity and mortality limited to patients with diffuse malignant peritoneal mesothelioma (DMPM).

Methods: This prospective morbidity and mortality assessment was performed on 70 consecutive cytoreductive procedures with perioperative intraperitoneal chemotherapy for DMPM. Forty-seven adverse events by eight categories were rated from grades I to IV with increasing severity. Grade I morbidity was self-limiting; grade II required medical treatments; grade III required an invasive intervention; grade IV required returning to the operating room or intensive care management. Risk factors for grades III and IV morbidity were determined.

Results: The perioperative mortality rate was 3%. The grades III and IV morbidity rates were 27 and 14%, respectively. Primary colonic anastomosis (P = 0.028), more than four peritonectomy procedures (P = 0.015), duration of the operation of more than 7 h (P = 0.027) were the risk factors for grade IV morbidity. Survival analysis of these 70 patients was provided.

Conclusions: The morbidity and mortality results for cytoreductive surgery and perioperative intraperitoneal chemotherapy for patients with DMPM were within the acceptable range for major gastrointestinal surgery. Grade IV morbidity was associated with more extensive cytoreduction.

Key Words: Morbidity and mortality • Peritoneal mesothelioma • Asbestos • Cytoreduction • Perioperative intraperitoneal chemotherapy • Peritonectomy

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