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1302 Technique of Intraperitoneal Chemotherapy: Normothermic and Hyperthermic
Table 7. Comparison of Open and Closed Methods of Delivering HIPEC
Increased abdominal pressure Open Closed
Potential for continued surgery during HIPEC No Yes
Potential for aerosol contamination Yes No
Distribution of chemotherapy and heat Yes Less
Pharmacokinetic monitoring of tumor and normal tissues Uniform throughout Variable
Simultaneous perfusion of pleural cavity Yes No
Management of technical problems with intraabdominal tubing Yes No
Easy May require opening of the
Detection and treatment of occult bowel perforation
Easier abdominal incision
Adapted from (44) More difficult -have to
discontinue HIPEC to fix
HIPEC pumping equipment. Anti-emetics including 5 sensor attached) are placed one on either side of the
HT-3 receptor antagonists, dexamethasone and newer pelvic floor and connected by another Y-connector to a
agents like fosaprepitant are commonly administered IV single outflow tube (OT). A temperature sensor may also
prior to the chemotherapy. be secured by a suture to the peritoneum close to the root
of the small bowel mesentery. The outflow tubing is laid
There are two major methods of HIPEC delivery: that at the back of the abdomen behind the small bowel and
involving closure of the abdominal skin incision prior to the OT is brought out in the upper part of the incision
perfusion, the ‘closed method’ or that involving perfusion with the IT coming out of the lower part of the incision.
with the wound open, the ‘open method’ sometimes
called the ‘coliseum’ method. A tabulated comparison The skin (not the rectus fascia) of the abdominal
of these approaches is given in Table 7. ‘Semi-closed’ incision is closed using a long monofilament suture such
and laparoscopic methods have also been described as polydioxanone sulfate (PDS) #1 suture (Ethicon Inc,
(43, 44). Animal (porcine) studies suggest that better Somerville, NJ) in a running and locking fashion (Figure
intraperitoneal drug concentration and pharmacokinetics 6A). Care is taken to ensure that the skin edges are not
are obtained with the laparoscopic>open> closed method inverted and that the skin is tightly apposed around
(45, 46). the tubing. With the wound closed, the IT and OT are
connected to the heat exchange pump (Figure 6B,C)
Whichever method is used, once perfusion is and the pre-heated perfusate such as Deflex™ peritoneal
completed, perfusate is allowed to drain off into a waste dialysis solution (Fresenius Medical Care, Lexington,
container. The abdomen is opened completely and MA, USA), is allowed to fill the cavity with the patient
residual fluid is carefully aspirated or removed with sterile in steep head-down position to facilitate the evacuation
towels. The abdomen and pelvis can be irrigated with 2-3 of free air. Between 2 and 3 liters is normally required
liters of saline to wash away any residual chemotherapy to distend the cavity. The operating table can be leveled
agent. All contaminated instruments and tubing are after the air is evacuated. When consistent desired inflow
then passed off and placed in toxic substance containers. and outflow temperatures (41-43°C inflow and 41-42°C
Gowns and gloves are changed and the surgery, including outflow) and flow rate (1000-1500ml/min) are achieved
performance of anastomoses, is completed. Post- the chemotherapy drug(s) is added to the perfusate. The
operatively, patients may be monitored in the Intensive chemotherapy perfusate is allowed to circulate within
Care Unit. If cisplatin has been used a urine output of at the abdominal cavity for 30-90mins while distribution is
least 100ml/hour should be maintained for the first 72 assisted with gentle kneading of the abdomen from both
hours. Intra-operative and post operative monitoring of sides. Care is taken to watch for leaks through the skin
electrolytes and coagulation parameters is necessary. and these are secured with sutures such as 0 polyglactin
910 (Vicryl®, Ethicon Inc, Somerville, NJ).
Closed Technique
Once CRS is complete two inflow tubes (one with a Open Technique
temperature sensor attached at the tip) are connected by The open technique is commonly referred to as the
a Y-connector to a single inflow tube (IT), and placed “Coliseum technique” (47) (Figure 7). After the cancer
above the right lobe of the liver and in the left upper resection is complete, an IT is passed through a stab
quadrant. Two outflow tubes (one with a temperature

