Christos Athanasiou1, Sonia Lockwood1, Georgios A Markides2. 1. General Surgery Unit, Bradford Royal Infirmary, Bradford Teaching Hospitals, Bradford, UK. 2. General Surgery Unit, Royal Blackburn Teaching Hospital, East Lancashire Teaching Hospitals, Blackburn, UK. g.markides@yahoo.co.uk.
Abstract
AIMS: To review and compare the outcomes of laparoscopic (LA) versus open appendicectomy (OA) in complicated appendicitis in adult patients, eight years after the last literature review. METHODS: The PRISMA guidelines were adhered to. Pre-defined inclusion and exclusion criteria were used to search the PubMed, Scopus and Cochrane databases and extract relevant data. Methodological and quality assessment was undertaken with outcome meta-analysis and subgroup analyses of methodological quality, type of study and year of study. Assessment of clinical and statistical heterogeneity and publication bias was conducted. RESULTS: Three randomised control trials (RCTs) (154LA vs 155OA) and 23 case-control trials were included (2034LA vs 2096OA). Methodological quality was low to average but with low statistical heterogeneity. Risk of publication bias was low, and meta-regression indicated shorter length of hospital stay (LOS) in more recent studies, Q = 7.1, P = 0.007. In the combined analysis LA had significantly less surgical site infections [OR = 0.30 (0.22,0.40); p < 0.00001] with reduced time to oral intake [WMD = -0.98 (-1.09,-0.86); P < 0.00001] and LOS [WMD = -3.49(-3.70,-3.29); p < 0.00001]. There was no significant difference in intra-abdominal abscess rates [OR = 1.11(0.85,1.45); p = 0.43]. Operative time was longer during LA [WMD = 10.51 (5.14,15.87); p = 0.0001] but did not reach statistical significance (p = 0.13) in the RCT subgroup analysis. CONCLUSIONS: LA appears to have significant benefits with improved morbidity compared to OA in complicated appendicitis (level of evidence II).
AIMS: To review and compare the outcomes of laparoscopic (LA) versus open appendicectomy (OA) in complicated appendicitis in adult patients, eight years after the last literature review. METHODS: The PRISMA guidelines were adhered to. Pre-defined inclusion and exclusion criteria were used to search the PubMed, Scopus and Cochrane databases and extract relevant data. Methodological and quality assessment was undertaken with outcome meta-analysis and subgroup analyses of methodological quality, type of study and year of study. Assessment of clinical and statistical heterogeneity and publication bias was conducted. RESULTS: Three randomised control trials (RCTs) (154LA vs 155OA) and 23 case-control trials were included (2034LA vs 2096OA). Methodological quality was low to average but with low statistical heterogeneity. Risk of publication bias was low, and meta-regression indicated shorter length of hospital stay (LOS) in more recent studies, Q = 7.1, P = 0.007. In the combined analysis LA had significantly less surgical site infections [OR = 0.30 (0.22,0.40); p < 0.00001] with reduced time to oral intake [WMD = -0.98 (-1.09,-0.86); P < 0.00001] and LOS [WMD = -3.49(-3.70,-3.29); p < 0.00001]. There was no significant difference in intra-abdominal abscess rates [OR = 1.11(0.85,1.45); p = 0.43]. Operative time was longer during LA [WMD = 10.51 (5.14,15.87); p = 0.0001] but did not reach statistical significance (p = 0.13) in the RCT subgroup analysis. CONCLUSIONS: LA appears to have significant benefits with improved morbidity compared to OA in complicated appendicitis (level of evidence II).
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