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KMID : 0356920150680040379
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Korean Journal of Anesthesiology
2015 Volume.68 No. 4 p.379 ~ p.385
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Impact of surgical approach on postoperative delirium in elderly patients undergoing gastrectomy: laparoscopic versus open approaches
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Shin Young-Hee
Kim Duk-Kyung
Jeong Hee-Joon
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Abstract
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Background: Postoperative delirium is a frequent complication in elderly patients undergoing major abdominal surgery and is associated with a poor outcome. We compared postoperative delirium in elderly patients following laparoscopic gastrectomy (LG) versus open gastrectomy (OG).
Methods: In total, 130 patients aged ≥ 65 years with gastric cancer undergoing LG and OG were enrolled prospectively. Postoperative delirium and cognitive status were assessed daily using the Confusion Assessment Method (CAM) and Mini-Mental Status Examination (MMSE), respectively, for 3 days postoperatively. For CAM-positive patients, delirium severity was then assessed using the Delirium Index (DI).
Results: In total, 123 subjects (LG, n = 60; OG, n = 63) were included in the analysis. In both groups, the overall incidences of postoperative delirium were similar: 31.6% (19/60) in the LG group and 41.2% (26/63) in the OG group. When considering only those with delirium, the severity, expressed as the highest DI score, was similar between the groups. A decline in cognitive function (reduction in MMSE ≥ 2 points from baseline) during 3 days postoperatively was observed in 23 patients in the LG group (38.3%) and 27 patients in the OG group (42.9%) (P = 0.744). In both groups, postoperative cognitive decline was significantly associated with postoperative delirium (P < 0.001).
Conclusions: We found that, compared with traditional open gastrectomy, laparoscopic gastrectomy did not reduce either postoperative delirium or cognitive decline in elderly patients with gastric cancer.
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KEYWORD
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Aged, Delirium, Gastrectomy, Laparoscopy
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