ArticleInternational journal of clinical and experimental pathology2025
Effect of different ventilation modes on postoperative cognitive dysfunction in elderly patients undergoing laparoscopic abdominal wall herniorrhaphy.
Article in International journal of clinical and experimental pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare the effects of three ventilation modes - pressure-controlled ventilation (PC), volume-controlled ventilation (VC), and pressure-regulated volume control ventilation (PRVC) - on postoperative cognitive dysfunction (POCD) in elderly patients undergoing laparoscopic abdominal wall hernia repair.
methodsIn this prospective study, 485 elderly patients undergoing laparoscopic abdominal wall hernia repair were randomly assigned to one of three ventilation groups: PC, VC, or PRVC. Cognitive function was assessed using the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA) at baseline (D0), and on postoperative days 1 (D1) and 3 (D3). Intraoperative physiological indicators, including mean arterial pressure (MAP), heart rate (HR), PaCO
resultsThe incidence of POCD differed significantly among the three ventilation groups on both postoperative day 1 (
conclusionIn elderly patients undergoing abdominal wall hernia repair, PRVC ventilation reduced the incidence of early POCD, particularly compared to PC ventilation. This neuroprotective effect appears to be linked to improved respiratory mechanics and an attenuated systemic inflammatory response. Therefore, PRVC represents a preferable ventilation strategy for this vulnerable patient population.
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