Influence of co-existing diseases on perioperative morbidity and mortality in anaesthetized patients: does the anaesthetic technique prevent complications?

Service d'Anesthésie Réanimation Hôpital Tenon, 4 rue de la Chine, 75020 Paris, France Correspondence to Francis Bonnet at above address Tel: +33 1 56 01 65 71; fax: +33 1 56 01 70 07; e-mail: [email protected]