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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 2016 Sep 15

The aging digestive tract. What should we anesthesiologists know about it?

Alex DE LEON 1, 2

1 Faculty of Medicine and Health, Örebro University, Örebro, Sweden; 2 Department of Anaesthesiology and Intensive Care, Örebro University Hospital, Örebro, Sweden

At present, elderly individuals represent approximately 18,5% of the European population and account for about 23% of surgical procedures performed. This patient population is at a higher riskì for perioperative complications and adverse postoperative outcome. This narrative review highlights our current knowledge about physiological changes in the aging gut and the implications for anaesthesiologists. The reduced response to stimuli in the pharynx, and reduction of the cough reflex that occurs in many older individuals, probably explains the increased incidence of aspiration pneumonia that occurs in the elderly. These changes also increase the risk for aspiration during anaesthesia. Aging affects the clearance of fluids and solids in the oesophagus, associated with a higher incidence of gastro-oesophageal reflux disease. Healthy aging appears to be associated with modest slowing of gastric emptying, but this does not demand prolonged preoperative fasting. The physiological changes associated with polypharmacy also make elderly patients a risk group for pulmonary aspiration during anaesthesia. Further work is needed to determine the effects of commonly used anaesthetic agents on the pharyngo-gastrointestinal tract in elderly patients.

lingua: Inglese


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