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01.05.2014 | Regional Cancer Therapies | Ausgabe 5/2014

Annals of Surgical Oncology 5/2014

The Effect of Elevated Body Mass Index on Outcomes Following Cytoreductive Surgery with Hyperthermic Intraperitoneal Chemotherapy

Annals of Surgical Oncology > Ausgabe 5/2014
MD, MS Sarah J. McPartland, MD, FACS Martin D. Goodman



Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) can prolong survival in peritoneal-based malignancies. These malignancies harbor in visceral and omental adipose tissue, and as a result, obesity may contribute to greater tumor burden. Obesity also is an independent risk factor for perioperative complications following major surgery. No studies to date have investigated the effect of elevated body mass index (BMI) on disease burden and perioperative outcomes in CRS-HIPEC patients.


Observational study of consecutive patients taken to the operating suite from 2007 to 2012 for CRS-HIPEC. Data were reviewed retrospectively, and patients for whom complete cytoreduction was not achieved and those with BMI <18.5 were excluded. Various operative data points, including peritoneal cancer index, surgery length, and estimated blood loss, were measured prospectively. Perioperative complications were identified and recorded.


Complete data for review was available for 114 patients. Patients were subdivided based on BMI (group A 18.5–24.9, n = 43; group B 25–29.9, n = 49; group C ≥ 30, n = 22). There was no statistically significant difference in tumor burden, operative length, probability of unresectable disease, operative blood loss, or length of stay between groups. Rates of respiratory, gastrointestinal, infectious, renal, and hematologic complications were not statistically different, with the exception of deep vein thrombosis (A = 0, B = 13.5 %, C = 0; p = 0.026).


CRS-HIPEC can be safely performed in overweight and obese patients without significant increase in perioperative morbidity. Despite the limitations in physical examination and increase in visceral fat, they do not appear to present later than patients with normal BMI, nor do they have higher tumor burden.

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