Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy in New Zealand: peri‐operative outcomes and service development over a decade

Author:

Lim Jia Hui1,Qin Rennie Xinrui12ORCID,Ly Jasen13,Fischer Jesse13ORCID,Smith Nicholas1,Karalus Mosese1,Wu Linus1,van Dalen Roelof1,Lolohea Simione1

Affiliation:

1. Department of General Surgery Te Whatu Ora Waikato Hamilton New Zealand

2. School of Population Health, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand

3. Waikato Clinical Campus, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand

Abstract

AbstractBackgroundCytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) is the standard of care for selected cases of peritoneal surface malignancy. However, due to its morbidity and learning curve, it is only delivered in six centres in Australia and Aotearoa New Zealand (AoNZ). In this study, we report peri‐operative morbidity and mortality following CRS/HIPEC at Waikato and Braemar Hospitals, which have treated patients from all regions of AoNZ since 2008.MethodsWe retrospectively reviewed a database of all patients undergoing CRS and HIPEC from 01/01/2008 to 01/11/2020 at Waikato and Braemar Hospitals.ResultsTwo‐hundred and forty procedures were performed for 221 patients with a mean age of 55, including 22 (9.2%) re‐do procedures. One hundred and eighty‐six cases were European, 32 were Māori, and 16 were Pasifika. There were 152 pseudomyxoma peritonei, 39 colorectal adenocarcinomas, 29 appendiceal cancers, 8 ovarian cancers, 6 peritoneal mesothelioma, and 6 other tumour types. The median PCI was 16. HIPEC was administered to 196 out of 196 CC0/1 cases (100%) and 3 out of 44 CC2/3 cases (6.8%). Fifty‐six cases (23.3%) had at least one major complication. There were two mortalities (0.8%) within 30 days. The median length of stay was 11 days. Operative duration was identified as an independent risk factor for major complications. There was considerable variation in the number of referrals from different regions of AoNZ. Over time, a decline in major complication rate is seen with increased case volume.ConclusionThe Waikato region has achieved favourable short‐term outcomes following CRS/HIPEC.

Publisher

Wiley

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