Adherence to early mobilisation: Key for successful enhanced recovery after liver resection

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Abstract

Background

Enhanced Recovery After Surgery (ERAS) has been proven effective in liver surgery. Adherence to the ERAS pathway is variable. This study seeks to evaluate adherence to key components of an ERAS protocol in liver resection, and identify the components associated with successful clinical outcomes.

Method

All patients undergoing liver resections for two consecutive years were included in our ERAS pathway. Six key components of ERAS included preoperative assessment, nutrition and gastrointestinal function, postoperative analgesia, mobilisation and discharges. Successful accomplishment of ERAS was defined as hospital discharge by postop day (POD) 6. Adherences of these elements were compared between the successful and un-successful groups.

Results

During the studied period, 223 patients underwent liver resections, among which 103 had major hepatectomies. N = 147 patients (66%) were discharged within our ERAS protocol target (6 days). On multivariable analysis, sitting out of bed by POD 1 (p < 0.03), walking by POD 3 (p = 0.03), removal of urinary catheter by POD 3 (p < 0.01), and avoiding major complications (p < 0.01) were factors associated with successful completion to our ERAS protocol; whereas advanced age (p = 0.34) and discontinuation of PCA/epidural by POD 3 (p = 0.50) were not significant parameters. There was a significant difference in the length of stay (p < 0.01) following major and minor liver resection, of which the indications for surgery also varied significantly. There was no difference in hospital re-admission rate, and morbidity and mortality between major and minor liver resection.

Conclusions

Facilitating early mobilisation and reducing postoperative complications are keys to successful outcomes of ERAS in liver resection.

Introduction

Enhanced Recovery After Surgery (ERAS) is a ‘fast-track’ recovery process that has been proven effective in liver surgery as well as a variety of clinical settings including colorectal, urological and vascular surgery.1, 2, 3, 4, 5 It has been shown to be effective in reducing complications, hospital stay, and delivery cost efficiency for surgical care.5 It focuses in utilising a multimodal recovery strategy to minimise trauma of surgery, and accelerate postoperative recovery.6

Uptake of ERAS in liver surgery was slower to other surgical specialties owing to concerns adopting its methods. A systematic review in 2012 identified only six studies on ERAS during hepatobiliary surgery,7 and all of these studies were limited in terms of patient numbers.8 More recently, larger series have been published on ERAS following hepatectomy.2, 9, 10, 11 However, despite reporting on ‘consecutive hepatectomies’, with the exception of Dunne et al., all these series had exclusion criteria, including biliary reconstruction, hilar cholangiocarcinoma, and advanced age.9, 10, 11 The majority of these studies aimed to evaluate whether ERAS was feasible following liver surgery. A limited number of studies reported the outcomes of a true consecutive cohort of patients undergoing hepatectomy within an ERAS program.11, 12

Having all these multimodal approaches combined into a single clinical pathway, it is difficult to fully ascertain which key components within the pathway dictate outcome. This study seeks to evaluate adherence to key components of an ERAS protocol in liver resection, and identify the components associated with successful clinical outcomes.

Section snippets

Study cohort

We fully implemented our ERAS pathway for all patients undergoing hepatectomies in May 2010.2 Our ERAS pathway has previously been described but is summarised in Table 1.2

All patients undergoing elective hepatectomy, including both laparoscopic and open surgeries, between May 2010 and June 2012 were included in our study. All data were prospectively collected. Data collected included adherence to six key elements of the ERAS protocol. These are preoperative assessment, operative factors,

Study population

During the studied period, 223 patients underwent hepatectomy within the ERAS program, of which 167 resections were for colorectal liver metastases, 15 for benign liver disease, 27 for hilar/intra-hepatic cholangiocarcinoma, and 17 for hepatocellular carcinoma (HCC). Among the 167 patients for colorectal liver metastases, 3 had laparoscopic liver resections. Median age was 67 years (range: 28–87). Of these 223 patients, 103 (46.2%) had a major hepatectomy, and 150 (67.3%) of them were male (see

Discussion

Achieving early mobilisation and early removal of urinary catheters were key to a successful ERAS pathway and early discharge following liver surgery. This is dependent on the avoidance of postoperative complications, as would be expected logically. However, age does not preclude patients from the enrolment to ERAS following hepatectomy.

Early mobilisations by sitting the patient out of bed by POD 1, and walking by POD 2 were associated with a successful adherence to ERAS criteria. In colorectal

Conflict of interest

None declared.

Source of funding

Self-funded.

Ethical approval

Ethical approval is not required for this study.

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