• Mohammad A Siyam and Dan Benhamou.
• Département d'Anesthésie-Réanimation, Hôpital de Bicêtre, Assistance Publique-Hôpitaux de Paris, Bicêtre Cedex, France.
• Anesth. Analg. 2002 Oct 1; 95 (4): 1098-102, table of contents.

UnlabelledAlthough sleep apnea syndrome (SAS) is common, studies assessing the anesthetic management of these patients are rare and consist mainly of case studies. We performed a retrospective case-control study to determine the incidence of difficult intubation in SAS patients and to determine the relationship between the severity of SAS and the occurrence of difficult intubation. Among 113 patients included (36 and 77 in the SAS and control groups, respectively), difficult intubation occurred more often in SAS patients than in controls (21.9% versus 2.6%, respectively; P < 0.05). No relationship was found between the severity of SAS and the occurrence of difficult intubation. Disappointingly, no single factor was associated with the occurrence of difficult intubation in SAS patients. We conclude that SAS is a risk factor for difficult intubation.ImplicationsBecause patients with sleep apnea syndrome have an increased risk of difficult endotracheal intubation and may present with cardiovascular disease, preoperative preventive measures should be undertaken to avoid untoward events.

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