Article

[Postoperative respiratory function and cholecystectomy by laparoscopic approach].

Département d'Anesthésie-Réanimation, Hôpital Nord, Saint-Priest-en-Jarez.
Annales Françaises d Anesthésie et de Réanimation (Impact Factor: 0.84). 02/1993; 12(3):273-7.
Source: PubMed

ABSTRACT Open cholecystectomy is associated with characteristic changes in pulmonary function showing a restrictive pattern. Laparoscopic cholecystectomy without opening of the peritoneal cavity could be an alternative in reducing postoperative respiratory dysfunction. Having given their informed consent, 13 healthy ASA1 patients (age: 41 +/- 18 yrs) undergoing laparoscopic cholecystectomy were enrolled in this study, in order to assess their postoperative pulmonary function tests (forced vital capacity [FRC], forced expiratory volume [FEV1], functional residual capacity [FRC]) before operation (T0) and 4 h (T4), 24 h (T24), 48 h (T48) after surgery. Anaesthesia technique was the same associating propofol-atracurium-fentanyl, 50% N2O/O2. Ventilation was adapted to maintain end-tidal carbon dioxide pressure up to 30-35 mmHg. Postoperative analgesic regimen consisted of paracetamol-ketoprofen. Mean length of surgery was 84 +/- 15 min; mean duration of anaesthesia was 110 +/- 24 min. An immediate and harmonious restrictive breathing pattern developed postoperatively. Postoperative FVC measured 65% (T4), 63% (T24), 72% (T48) of preoperative function (p < 0.025); postoperative FEV1 measured respectively 60, 66 and 75% of preoperative function (p > 0.001), without change in FEV1/CV and FRC; a significant hypoxia occurred (T0: 86 mmHg, T4: 80 mmHg, T24: 75 mmHg, T48: 81 mmHg [p < 0.05]). Laparoscopic cholecystectomy resulted in less postoperative respiratory dysfunction than conventional cholecystectomy, as previously reported; this restrictive pattern observed without changes in FRC was similar to that following lower abdominal surgery.

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