Abstract
Lidocaine 0.5 per cent in a dose of 2 mg·kg-1 was used for intravenous regional analgesia with the tourniquet cuff placed over the forearm. The level of tourniquet cuff pressure employed was the arterial “occlusion pressure” plus 50 mmHg. In 48 normotensive patients successful analgesia was achieved; in seven hypertensive patients, four were pain-free, but the other three required more lidocaine to achieve adequate analgesia. No toxic symptoms and signs were observed. Measurement of serum lidocaine concentrations in 12 patients confirmed the safety of the technique, although small leakage of lidocaine past the inflated forearm tourniquet was detected in some patients.
Résumé
La lidocaine 0.5 pour cent à des doses de2 mg·kg-1 a été utilisée pour ľanalgésie régionale intraveineuse avec tourniquet placé sur ľavant-bras. La pression du tourniquet utilisé était la somme de la pression ďocclusion de ľartère plus 50 mmHg. Chez 48 patients normotendus une analgésie a été acquise; chez sept patients hypertendus, quatre étaient soulagés de douleur, mais les trois autres ont requis plus de lidocaine pour une analgésie adéquate. Aucun signe ou symptôme de toxicité n’était observé. La mesure de la lidocaine sérique chez 12 patients a confirmé la sécurité de la technique même si des légèresfuites de la lidocaine à travers le tourniquet gonflé autour de ľavant-bras étaient détectées chez certains patients.
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Chan, C.S., Pun, W.K., Chan, Y.M. et al. Intravenous regional analgesia with a forearm tourniquet. Can J Anaesth 34, 21–25 (1987). https://doi.org/10.1007/BF03007677
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DOI: https://doi.org/10.1007/BF03007677