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Rivista di Anestesia, Rianimazione, Terapia Antalgica e Terapia Intensiva

Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 2,036

Periodicità: Mensile

ISSN 0375-9393

Online ISSN 1827-1596


Minerva Anestesiologica 2010 Luglio;76(7):504-8


Effect of earplugs on propofol requirement and awareness with recall during spinal anesthesia

Gonano C., Meitner E., Kettner S. C., Chiari A., Marhofer P.

Department of Anesthesia, General Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria

investigator either placed or did not place earplugs into the patients’ ears (PLUG or noPLUG groups, respectively). Propofol requirements for stable sedation guided by the bispectral index and incidence of postoperative recall of intraoperative events were assessed in a double-blinded fashion.
RESULTS: We found high but comparable propofol requirements in both groups (PLUG 4.4±1.2 vs. noPLUG 4.2±1.0 mg kg-1 h-1, p=NS). The incidence of intraoperative awareness was lower in the PLUG compared to the noPLUG group (16 vs. 56%; P<0.001).
CONCLUSION: Although no sedative-sparing effect could be found in patients who wore earplugs during elective orthopedic surgery under spinal anesthesia, we nevertheless recommend using single-use paraffin wax earplugs. Beside their beneficial effect against potential harmful intraoperative noise, they reduce the incidence of intraoperative awareness with recall.

lingua: Inglese


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