The Impact of Fast-track Perioperative Program After Liver Resection in Hong Kong Chinese Patients

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Liver cancer was the third leading cause of cancer death in both sexes in Hong Kong and liver resection remains the mainstay of curative treatment. Post-operative recovery from liver resection has historically been fraught with a high incidence of complications, ranging from 15-48%, and the high inc...

Liver cancer was the third leading cause of cancer death in both sexes in Hong Kong and liver resection remains the mainstay of curative treatment. Post-operative recovery from liver resection has historically been fraught with a high incidence of complications, ranging from 15-48%, and the high incidence of complications leads to prolonged hospital stay, ranging from 9 - 15 days, and increase costs of hospitalization. Recent advancement in the perioperative surgical and anesthetic management of patients undergoing liver resection has led to improvement in these outcomes. Since its formal introduction in 1990s, fast-track or enhanced recovery after surgery (ERAS) peri-operative programs have gained territory quickly because of the associated cost efficiency derived from the reduction in hospital stay, an important issue in today's context of rapidly increasing health care costs and the consequent need for optimization. The benefits of fast-track peri-operative programs have been well proven in colectomy. Our department had previously demonstrated the feasibility and impact of fast-track peri-operative programs after laparoscopic colorectal surgery, which leads to the potential for application to other subspecialties. Nevertheless, studies evaluating fast-track peri-operative programs in liver resection are scarce. Most of them were carried out in Western countries and almost all of them used epidural analgesia for post-operative pain control. While most of the livers in Western patients are non-cirrhotic, the main challenge of liver resection in Chinese Hong Kong patients is the background liver cirrhosis as hepatitis-related hepatocellular carcinoma is the most common indication for liver resection. Although epidural analgesia has been showed to be effective after liver resection without complication, the debate on epidural analgesia continues. Coagulopathy, thrombocytopenia and other haematological abnormalities may impose additional risks of epidural hematoma formation following removal of the epidural catheter postoperatively. Especially there is a much greater incidence of co-existing liver cirrhosis in Chinese Hong Kong patients with hepatocelluar carcinoma. This group of patients is coagulopathic even before liver resection and the risk of bleeding complications related to epidural analgesia is a particular concern. Continuous wound instillation with local anesthetic agent by the ON-Q PainBuster System (I-Flow Corporation, Lake Forest, CA, USA) provides an attractive alternative for this group of patients. We had previously demonstrated its analgesic efficacy after open hepatic surgery in a randomized controlled trial. Recently, our group had reported, in a retrospective cohort, that successful implementation of ERAS protocol was associated with a significantly shorten hospital stay. However, there was no direct comparison with convention peri-operative program in a randomized controlled manner. Moreover, the peri-operative management in that study incorporated only a small proportion of components described in ERAS programs for liver surgery, namely pre-operative counselling, no premedication, normothermia during surgery, no nasogastric tube and no routine abdominal drain. Furthermore, patient-controlled morphine analgesia was the method for post-operative pain control, which might not be enough for open hepatectomy and might have restricted the mobilization.

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