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1.
Korean Journal of Anesthesiology ; : 909-918, 1994.
Artigo em Coreano | WPRIM | ID: wpr-98513

RESUMO

The cardiovaseular response evoked by tracheal intubation was observed in 69 patients undergoing elective surgery in whom anesthesia was induced with group A, B and C induction agents. Sixty nine ASA class 1 or 2 surgical patients were divided into three groups. Group A: thiopental 5 mg/kg (control) Group B: thiopental 2 mg/kg with midazolam 0.1 mg/kg Group C: midazolam 0.2 mg/kg Systolic and diastolic blood pressure, mean arterial pressure, heart rate and loss of eyelid reflex were measured in each group. There was a little difference in the cardiovascular changes between group A and C. But there was not a significant difference between group A and B and also between group B and C. The measured time until loss of eyelid reflex of the group C (55+/-30 sec) was considerably longer than other groups (Group A: 10+/-3 sec, Group B: 37+/-13 sec). The incidence of venous complication in three groups was low. Pain on injection and posto- perative nausea and vomiting was noted in one patient of the group A and B respectively, but no patient in the group C. There was no significant difference in the incidence of the postoperative local venous complication. On the whole, these results suggest that the difference between midazolam and thiopental had no apparent hemodynamic change. From the above results, both midazolam alone and midazolam combined with thiopental may be useful agents for induction of anesthesia.


Assuntos
Humanos , Anestesia , Pressão Arterial , Pressão Sanguínea , Pálpebras , Frequência Cardíaca , Hemodinâmica , Incidência , Intubação , Midazolam , Náusea , Reflexo , Tiopental , Vômito
2.
Korean Journal of Anesthesiology ; : 1470-1473, 1994.
Artigo em Coreano | WPRIM | ID: wpr-35288

RESUMO

Severe bradycardia has been associated with a number of medications used for induction of anesthesia. Fentanyl and other potent opioids are well known for their central vagotonic effect, particularly when given rapidly in high doses. Propofol administration has also been associated with bradycardia, and may even exert a central vagotonic or sympatholytic ef- fect, or both. The anesthetic induction with propofol fentanyl may be followed by severe bradycardia in patients who have not received atropine. The bradyeardia may be prevented by premedication with atropine. We report a case in which anesthesia was induced with fentanyl 3 ug/kg and propofol 2. 5mg/kg in 43 year old female patient undergoing oophorectomy. Twenty or thirty seconds after injection of propofol and fentanyl the reduction of blood pressure and severe bradycardia appeared along with premature ventricular contraction and Mobitz type I A-V block. Immediate therapy was initiated with injection of atropine 0.5mg and hyperventilation with 100% oxygen. After about one minute the vital sign of the patient returned to normal. We emphasize that anticholinergic and oxygen before induction with fentanyl propofol should be administered to prevent possible bradycardia and hypoxia.


Assuntos
Adulto , Feminino , Humanos , Analgésicos Opioides , Anestesia , Hipóxia , Atropina , Pressão Sanguínea , Bradicardia , Fentanila , Hiperventilação , Ovariectomia , Oxigênio , Pré-Medicação , Propofol , Complexos Ventriculares Prematuros , Sinais Vitais
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