Intraperitoneal Chemotherapy for Epithelial Ovarian Cancer – Single Center Experience
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Majority of intraperitoneal (IP) chemotherapy complications were related to the chemoport. Aim of our study was to find the means of reducing complications of IP chemoport, to increase the benefits of IP chemotherapy. During January 2007 to December 2010, hundred consecutive patients of stage III epithelial ovarian cancer who had optimal cytoreduction underwent chemoport insertion during laparotomy. Initial 20 cases had 14.3F Bard IP chemoport, and later cases had 9.6Fr single lumen venous port inserted intraperitoneally. Entry point into the peritoneum was single, 6 cm lateral to the umbilicus and double purse-string suture taken around the catheter to prevent peri-catheter backflow of ascitic fluid or drug. Modified IP chemotherapy regimen (SWOG-9912 trial) was used. Age of the patient ranged from 34 years to 76 years. In total 600 cycles, 516 cycles (86 %) were completed. Seventy patients (70 %) received all the 6 cycles by IP route. Two in the initial 10 patients had vaginal leak, for whom first 2 cycles were given by IV route and then shifted to IP route. Subsequently all cases had double layer closure of vaginal vault. Nine patients (9 %) had port related complications, in which 8 were transient. Catheter block was seen in 5 cases, of which 4 salvaged by heparin injection lock for 2 h and in subsequent cases IV port access catheter with valve replaced the fenestrated IP catheter. None of the IV catheters had the block. Four cases had backflow of fluid around catheter collecting around the port chamber site. Two patients had severe abdominal pain due to dense adhesions and further cycles were completed by IV route. Cisplatin was replaced with carboplatin in 5 cases with severe toxicity. Longest follow-up is 4 years with median follow up of 1.8 years.70 % are disease free on follow up. Local recurrence rate was 18 and systemic in 8 cases. Mortality rate is 4 %. Complications of IP ports are low when insertion is done meticulously with a dedicated team. With modified IP dose and drug regimen, side effects are less and most patients can complete all the desired cycles.
KeywordsIntraperitoneal chemotherapy Ovarian cancer Chemotherapy
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