O E Aly1, Z Quayyum. 1. Medical Student - School of Medicine and Dentistry, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK. omarehaly@googlemail.com
Abstract
BACKGROUND: Several studies have confirmed that laparoscopic colorectal surgery (LCS) has superior short-term outcomes when compared to open colorectal surgery. However, the evidence for cost-effectiveness of LCS is less clear. AIM: The aim of this study is to explore the cost-effectiveness of LCS over time since it was first developed in 1991. METHODS: Systematic review of the literature was conducted. Electronic databases (PubMed, ScienceDirect and Google Scholar) were searched for studies from 1991 to 2010 using the keywords "laparoscopic, colorectal surgery cost, economic evaluation". RESULTS: Fifteen economic evaluations met the inclusion criteria. The percentage cost difference between open and laparoscopic surgery varied widely between different studies. The general trend when observing all the included economic evaluations is that there is a moderate negative correlation between progression of time and the size of the cost gap between laparoscopic and open surgery (R-value=-0.44). This correlation is even stronger (R-value=-0.64, P=0.046) if the studies are subdivided by the country where the surgery was carried out in. Western healthcare systems, even though they had a heterogeneous set of results (SD=27%), showed a decline in costs of laparoscopic surgery with time. CONCLUSION: From the current trends, it is projected that the results of future economic evaluations will unequivocally show that laparoscopic surgery is cheaper than open surgery. The initial higher costs of laparoscopic surgery training may be worth the savings made in the long term if it is practised in settings where postoperative care is expensive.
BACKGROUND: Several studies have confirmed that laparoscopic colorectal surgery (LCS) has superior short-term outcomes when compared to open colorectal surgery. However, the evidence for cost-effectiveness of LCS is less clear. AIM: The aim of this study is to explore the cost-effectiveness of LCS over time since it was first developed in 1991. METHODS: Systematic review of the literature was conducted. Electronic databases (PubMed, ScienceDirect and Google Scholar) were searched for studies from 1991 to 2010 using the keywords "laparoscopic, colorectal surgery cost, economic evaluation". RESULTS: Fifteen economic evaluations met the inclusion criteria. The percentage cost difference between open and laparoscopic surgery varied widely between different studies. The general trend when observing all the included economic evaluations is that there is a moderate negative correlation between progression of time and the size of the cost gap between laparoscopic and open surgery (R-value=-0.44). This correlation is even stronger (R-value=-0.64, P=0.046) if the studies are subdivided by the country where the surgery was carried out in. Western healthcare systems, even though they had a heterogeneous set of results (SD=27%), showed a decline in costs of laparoscopic surgery with time. CONCLUSION: From the current trends, it is projected that the results of future economic evaluations will unequivocally show that laparoscopic surgery is cheaper than open surgery. The initial higher costs of laparoscopic surgery training may be worth the savings made in the long term if it is practised in settings where postoperative care is expensive.
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