Surgery today · 2019
Surgical management for peritoneal carcinomatosis of appendiceal origin with a high-tumor burden.
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Kitai Toshiyuki, Yamanaka Kenya, Sugimoto Naoko, Inamoto Osamu
Аннотация
PURPOSE: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS + HIPEC) is the active treatment for peritoneal carcinomatosis of appendiceal origin. However, surgical management is sometimes difficult in patients with a high-tumor burden.
METHODS: A high-tumor burden was defined as a peritoneal cancer index (PCI) ≥ 28. Among 49 patients receiving CRS + HIPEC, 29 had a PCI ≥ 28.
RESULTS: Complete cytoreduction (CC-0/1) was achieved in 20 of the 29 patients with a PCI ≥ 28 and in all 20 patients with a PCI < 28. Among the patients achieving CC-0/1, gastrectomy or total colectomy was performed more frequently, the hospital stay was longer and postoperative complications were more frequent in those with a PCI ≥ 28 than in those with a PCI < 28. If CC-0/1 was achieved, the overall survival was comparable between patients with a PCI ≥ 28 and a PCI < 28. However, the recurrence-free survival was significantly worse for patients with a PCI ≥ 28 than for those with a PCI < 28 (5-year survival: 73.7% vs. 5.9%). Patients with recurrence who underwent repeat CRS showed a better overall survival than those without repeat CRS. Among patients with a PCI ≥ 28, a performance status (PS) of 2/3 was a significant prognostic factor (hazard ratio = 5.132).
CONCLUSIONS: In patients with a high-tumor burden undergoing CRS + HIPEC, postoperative complications were more frequent, and the recurrence rate was higher than in those without a high-tumor burden. Repeat CRS improved the survival of patients with recurrence. The PS was a key indicator when selecting patients suitable for aggressive resection.
METHODS: A high-tumor burden was defined as a peritoneal cancer index (PCI) ≥ 28. Among 49 patients receiving CRS + HIPEC, 29 had a PCI ≥ 28.
RESULTS: Complete cytoreduction (CC-0/1) was achieved in 20 of the 29 patients with a PCI ≥ 28 and in all 20 patients with a PCI < 28. Among the patients achieving CC-0/1, gastrectomy or total colectomy was performed more frequently, the hospital stay was longer and postoperative complications were more frequent in those with a PCI ≥ 28 than in those with a PCI < 28. If CC-0/1 was achieved, the overall survival was comparable between patients with a PCI ≥ 28 and a PCI < 28. However, the recurrence-free survival was significantly worse for patients with a PCI ≥ 28 than for those with a PCI < 28 (5-year survival: 73.7% vs. 5.9%). Patients with recurrence who underwent repeat CRS showed a better overall survival than those without repeat CRS. Among patients with a PCI ≥ 28, a performance status (PS) of 2/3 was a significant prognostic factor (hazard ratio = 5.132).
CONCLUSIONS: In patients with a high-tumor burden undergoing CRS + HIPEC, postoperative complications were more frequent, and the recurrence rate was higher than in those without a high-tumor burden. Repeat CRS improved the survival of patients with recurrence. The PS was a key indicator when selecting patients suitable for aggressive resection.