Blood loss and endocrine responses in hypotensive anaesthesia with sodium nitroprusside and nitroglycerin for mandibular osteotomy.

F Yoshikawa, H Kohase, M Umino, H Fukayama

Journal: International journal of oral and maxillofacial surgery 2010;38(11):1159-64

PMID: 19615860

Full Text on Elsevier Science View on PubMed

Abstract

The purpose of this study was to determine the differences in endocrine responses, blood loss and arterial blood gas profiles between patients subjected to hypotensive anaesthesia or normotensive anaesthesia and those between patients given sodium nitroprusside (SNP) or nitroglycerin (NTG) as the hypotensive agent. 36 patients, who were scheduled to undergo mandibular osteotomy, were recruited for the study. Their hormonal responses, metabolic responses, arterial blood gas profiles and blood loss were determined during hypotensive anaesthesia induced by either SNP or NTG and normotensive anaesthesia induced by sevoflurane (SEV). Blood loss was smaller and the duration of surgery was shorter in the SNP and NTG groups than in the SEV group. The plasma levels of adrenocorticotrophic hormone, cortisol, vasopressin, norepinephrine and dopamine increased during surgery in all 3 groups. There were no significant differences in the hormone levels, among the 3 groups, or between the SNP and NTG groups.

Address: Anesthesiology and Clinical Physiology, Department of Oral Restitution, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan. [email protected]

DOI: 10.1016/j.ijom.2009.06.005

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MeSH Terms: Adult, Anesthesia, Dental, Anesthetics, Inhalation, Blood Gas Analysis, Blood Loss, Surgical, Carbon Dioxide, Female, Hemodynamics, Hormones, Humans, Hypotension, Controlled, Lactic Acid, Male, Mandible, Methyl Ethers, Nitroglycerin, Nitroprusside, Oral Surgical Procedures, Osteotomy, Oxygen, Pyruvic Acid, Sevoflurane, Vasodilator Agents, Young Adult