Primary versus Repeated Cytoreduction for Peritoneal Metastasis: A paired Analysis of Surgical Outcomes


Manoğlu B., Sökmen S., Bişgin T., Özkardeşler Özgül S., Barlık Obuz F.

The 12th International Congress on Peritoneal Surface Malignancies Beijing, China, Beijing, Çin, 10 - 12 Ekim 2021, ss.277-278

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Basıldığı Şehir: Beijing
  • Basıldığı Ülke: Çin
  • Sayfa Sayıları: ss.277-278
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

Background: Cytoreductive surgery(CRS) with hyperthermic intraperitoneal chemotherapy(HIPEC) has become the treatment of choice for resectable peritoneal metastasis(PM) to improve the overall survival of these patients. It’s so difficult to predict how the morbi-mortality results and oncologic outcomes will be in repeated CRS(re-CRS).

Objectives: To evaluate the surgical and oncologic outcomes of primary CRS&HIPEC and re-CRS&HIPEC.

Methods: Prospectively maintained database of 661 PM patients treated with potentially curative intent CRS&HIPEC thorough the years of 2007 and 2020 was evaluated. Re-cytoreductive surgery was performed in 51 of them. Seven of these patients underwent CRS for the third time. The median age was 54 (ranging, 16-76) years and 72.5 % of the patients was female. The most common primaries were ovarian(39.2%) and colorectal(37.2%) tumors. The median Peritoneal Cancer Index(PCI) was 7 (ranging, 3-21) and 84.3% of the patients underwent CC-0. All standart clinico-pathological characteristics, re-operative findings, morbi-mortality results, and final oncologic outcomes were reviewed and were compared with those of patients who had primary CRS&HIPEC.

Results: The median operating time was 300 minutes(range, 120–570) and 305 minutes(ranging, 120–650) during the primary CRS and re-CRS. While less than five organs were resected in 82.7%(n=42) of the patients who underwent primary CRS, it was 84.3%(n=43) for the patients who underwent re-CRS. The median length of hospital stay(LoHS) after primary CRS and re-CRS were 15 days(ranging, 4-48) and 12 days(ranging, 5-90), respectively. The morbidity rates were 31.3%(n=16) and 7.8%(n=4), respectively. The high grade morbidity rate was lower in re-CRS group(grade III-IV 21.5% vs 7.8%). The mortality rates were similar in between the patients who underwent primary CRS(5.8%) and re-CRS(5.8%). When the patients who underwent CRS for the third time were compared with patients who underwent re-CRS, no significant difference was found in terms of surgical outcomes. The patients in the group who underwent re-CRS had significantly shorter mean hospital(LoHS)(p<0.05) and lower postoperative high grade morbidity(p<0.05) than the patients in the group who underwent primary CRS. The overall survival of the patients in the primary CRS group was 81.29 months, whereas it was 79.77 months in the re-CRS group. The 3- and 5-year survival rates were lower in re-CRS group(17% and 5% vs 22% and 11%), respectively.

Conclusions: Re-CRS and HIPEC can be safely and effectively performed with acceptable morbi-mortality results and oncologic outcomes in carefully selected and intensely followed-up PM patients at experienced centers.

Key words: Repeated cytoreductive surgery, hyperthermic intraperitoneal chemotherapy, peritoneal metastasis.