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Minimally invasive esophagectomy: Lateral decubitus vs. prone positioning; systematic review and pooled analysis

Minimally invasive esophagectomy: Lateral decubitus vs. prone positioning; systematic review and pooled analysis

Surgical Oncology 24(3): 212-219

The uptake of minimally invasive esophagectomy (MIE) has increased vastly over the last decade, with proven short-term benefits over an open approach. The aim of this pooled analysis was to compare clinical outcomes of Minimally Invasive Esophagectomy (MIE) performed in the prone and lateral decubitus positions. A systematic literature search (2000-2015) was undertaken for publications that compared patients who underwent MIE in the lateral decubitus (LD) or prone (PR) positions. Weighted mean difference (WMD) was calculated for the effect size of LD positioning on continuous variables and Pooled odds ratios (POR) for discrete variables. Ten relevant publications comprising 723 patients who underwent minimally invasive esophagectomy were included; 387 in the LD group and 336 in the PR group. There was no significant difference between the groups in terms of in-hospital mortality, total morbidity, anastomotic leak, chylothorax, laryngeal nerve palsy, average operative time, and length hospital stay. LD MIE was associated with a non-significant increase in pulmonary complications (POR = 1.65; 95% C.I. 0.93 to 2.92; P = 0.09), and significant increases in estimated blood loss (WMD = 36.03; 95% 14.37 to 57.69; P = 0.001) and a reduced average mediastinal lymph node harvest (WMD = -2.17; 95% C.I. -3.82 to -0.52; P = 0.01) when compared to prone MIE. Pooled analysis suggests that prone MIE is superior to lateral decubitus MIE with reduced pulmonary complications, estimated blood loss and increased mediastinal lymph node harvest. Further studies are needed to explain performance-shaping factors and their influence on oncological clearance and short-term outcomes.

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Accession: 058320563

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PMID: 26096374

DOI: 10.1016/j.suronc.2015.06.001

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