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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Bordes, Julien Goutorbe, Philippe Cungi, Pierre Julien Boghossian, Marie Caroline Kaiser, Eric |
| Description | Author Affiliation: Bordes J ( Department of Anesthesia and Intensive Care, Sainte Anne Military Teaching Hospital, Toulon, France. Electronic address: bordes.julien@neuf.fr.); Goutorbe P ( Department of Anesthesia and Intensive Care, Sainte Anne Military Teaching Hospital, Toulon, France.); Cungi PJ ( Department of Anesthesia and Intensive Care, Sainte Anne Military Teaching Hospital, Toulon, France.); Boghossian MC ( Department of Anesthesia and Intensive Care, Sainte Anne Military Teaching Hospital, Toulon, France.); Kaiser E ( Department of Anesthesia and Intensive Care, Sainte Anne Military Teaching Hospital, Toulon, France.) |
| Abstract | STUDY OBJECTIVE: To assess the effects of noninvasive ventilation (NIV) during spontaneous breathing anesthesia on functional residual capacity and ventilation distribution. DESIGN: Prospective and observational study. SETTING: Operating room, military teaching hospital. PATIENTS: Eighteen adult patients submitted to digestive endoscopic procedures under spontaneous breathing anesthesia. INTERVENTIONS: Anesthetic management was standardized. Patients were submitted to combined digestive endoscopic procedures (gastric fibroscopy and colonoscopy) under spontaneous breathing anesthesia in lateral decubitus position. Anesthesia was induced with propofol intravenous 1 mg/kg. Repeated boluses of propofol were administered according to the patients' clinical needs during endoscopic procedures. Ventilation distribution and functional residual capacity were assessed by electrical impedance tomography. MEASUREMENTS: Ventilation distribution was assessed by electrical impedance changes in left and right lung, and functional residual capacity changes were evaluated by measurement of end-expiratory lung impedance changes. Measures were performed before anesthesia induction, 5 minutes after anesthesia induction during gastric fibroscopy, at the end of gastric fibroscopy, 5 minutes after NIV application during colonoscopy, and at the end of colonoscopy. MAIN RESULTS: In awake patients, tidal volume was primarily distributed to the dependent lung (57.5% vs 43.1%; P=.009). After anesthesia induction, we observed a shift of ventilation to the nondependent lung (43.1% before anesthesia, 58.9% after anesthesia; P=.002) and marked decrease in end-expiratory lung impedancemetry of -1.68UI (4.47). Noninvasive ventilation application resulted in a significant increase of end-expiratory lung impedancemetry of 1.33 (6.49) (P=.005) but did not impact ventilation distribution. CONCLUSIONS: This study showed that NIV application in pressure support mode during spontaneous breathing anesthesia increased functional residual capacity. Other studies are needed to evaluate the clinical impact of this technique during anesthesia, especially in patients with poor respiratory conditions. |
| File Format | HTM / HTML |
| ISSN | 09528180 |
| Journal | Journal of Clinical Anesthesia |
| Volume Number | 34 |
| e-ISSN | 18734529 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Anesthesiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Anesthesiology and Pain Medicine |
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