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Published in: Annals of Surgical Oncology 13/2022

08-08-2022 | Surgery | Peritoneal Surface Malignancy

Natural History and Management of Small-Bowel Obstruction in Patients After Cytoreductive Surgery and Intraperitoneal Chemotherapy

Authors: Eyal Mor, MD, Shanie Shemla, MD, Dan Assaf, MD, Shachar Laks, MD, Haggai Benvenisti, MD, David Hazzan, MD, Mai Shiber, MD, Einat Shacham-Shmueli, MD, Ofer Margalit, MD, Naama Halpern, MD, Ben Boursi, MD, Tamar Beller, MD, Daria Perelson, MD, Ofer Purim, MD, Douglas Zippel, MD, Almog Ben-Yaacov, MD, Aviram Nissan, MD, Mohammad Adileh, MD

Published in: Annals of Surgical Oncology | Issue 13/2022

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Abstract

Background

Small-bowel obstruction (SBO) after cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) is a common complication associated with re-admission that may alter patients’ outcomes. Our aim was to characterize and investigate the impact of bowel obstruction on patients’ prognosis.

Methods

This was a retrospective analysis of patients with SBO after CRS/HIPEC (n = 392). We analyzed patients’ demographics, operative and perioperative details, SBO re-admission data, and long-term oncological outcomes.

Results

Out of 366 patients, 73 (19.9%) were re-admitted with SBO. The cause was adhesive in 42 (57.5%) and malignant (MBO) in 31 (42.5%). The median time to obstruction was 7.7 months (range, 0.5–60.9). Surgical intervention was required in 21/73 (28.7%) patients. Obstruction eventually resolved (spontaneous or by surgical intervention) in 56/73 (76.7%) patients. Univariant analysis identified intraperitoneal chemotherapy agents: mitomycin C (MMC) (HR 3.2, p = 0.003), cisplatin (HR 0.3, p = 0.03), and doxorubicin (HR 0.25, p = 0.018) to be associated with obstruction-free survival (OFS). Postoperative complications such as surgical site infection (SSI), (HR 2.2, p = 0.001) and collection (HR 2.07, p = 0.015) were associated with worse OFS. Multivariate analysis maintained MMC (HR 2.9, p = 0.006), SSI (HR 1.19, p = 0.001), and intra-abdominal collection (HR 2.19, p = 0.009) as independently associated with OFS. While disease-free survival was similar between the groups, overall survival (OS) was better in the non-obstruction group compared with the obstruction group (p = 0.03).

Conclusions

SBO after CRS/HIPEC is common and complex in management. Although conservative management was successful in most patients, surgery was required more frequently in patients with MBO. Patients with SBO demonstrate decreased survival.
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Metadata
Title
Natural History and Management of Small-Bowel Obstruction in Patients After Cytoreductive Surgery and Intraperitoneal Chemotherapy
Authors
Eyal Mor, MD
Shanie Shemla, MD
Dan Assaf, MD
Shachar Laks, MD
Haggai Benvenisti, MD
David Hazzan, MD
Mai Shiber, MD
Einat Shacham-Shmueli, MD
Ofer Margalit, MD
Naama Halpern, MD
Ben Boursi, MD
Tamar Beller, MD
Daria Perelson, MD
Ofer Purim, MD
Douglas Zippel, MD
Almog Ben-Yaacov, MD
Aviram Nissan, MD
Mohammad Adileh, MD
Publication date
08-08-2022
Publisher
Springer International Publishing
Published in
Annals of Surgical Oncology / Issue 13/2022
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-022-12370-x

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