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Diaphragmatic activity after laparoscopic cholecystectomy
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Anaesthesiology.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Anaesthesiology.
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1999 (English)In: Anesthesiology, Vol. 91, no 2, 406-13 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Laparoscopic cholecystectomy is presumed to induce a reduction in diaphragmatic activity. Indirect indices of diaphragmatic function based on tidal changes in pressures and cross-section area measurements can be unreliable in the postoperative phase. The present study evaluates diaphragmatic activity by directly recording diaphragmatic EMG (EMGdia) data, along with indirect indices. METHODS: Thirteen adult patients (American Society of Anesthesiologists physical status I or II) undergoing laparoscopic cholecystectomy were examined preoperatively for inspiratory tidal changes in gastric (Pgas-insp) and esophageal (Peso-insp) pressures, and tidal changes in ribcage (Vthor) and abdominal (Vabd) cross-section areas and then again at 1, 6, and 24 h postoperatively combined with EMGdia recordings. Variations in inspiratory gastric (deltaPgas-insp) and inspiratory transdiaphragmatic (deltaPdi-insp) pressures were derived from the above. RESULTS: Laparoscopic cholecystectomy induced a significant reduction in mean deltaPgas-insp, mean deltaPdi-insp, and mean Vabd indicating a reduction of diaphragmatic activity postoperatively. DeltaPdi-insp decreased from 11.8+/-4.0 cm H2O preoperatively to 5.7+/-5.7 cm H2O at 1 h and 6.6+/-5.1 cm H2O at 6 h postoperatively (mean +/- SD; P < 0.05). Vabd decreased from 327.0+/-113.0 ml preoperatively to 174.0+/-65.0 ml at 1 h and 175.0+/-98.0 ml at 6 h postoperatively (mean +/- SD; P < 0.05). These values had partially recovered at 24 h. CONCLUSION: The direct and indirect indices of diaphragmatic activity taken together confirm the presence of reduction in diaphragmatic activity after laparoscopic cholecystectomy followed by its partial recovery at 24 h.

Place, publisher, year, edition, pages
1999. Vol. 91, no 2, 406-13 p.
Keyword [en]
Adult, Aged, *Cholecystectomy, Laparoscopic, Diaphragm/*physiopathology, Electromyography, Esophagus/physiopathology, Female, Humans, Male, Middle Aged, Pressure, Respiration, Ribs/pathology, Stomach/physiopathology
National Category
Anesthesiology and Intensive Care
Identifiers
URN: urn:nbn:se:umu:diva-66522ISBN: 0003-3022 (Print) OAI: oai:DiVA.org:umu-66522DiVA: diva2:607294
Note

Sharma, R R Axelsson, H Oberg, A Jansson, E Clergue, F Johansson, G Reiz, S United states Anesthesiology Anesthesiology. 1999 Aug;91(2):406-13.

Available from: 2013-02-22 Created: 2013-02-22 Last updated: 2015-09-15

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