Comparison of Desflurane and Sevoflurane Anaesthesia in Relation to the Risk of Vagally Mediated Reflex Bradycardia during Gastrectomy  

Oleh:

Joo, Y. ; Shin, B-S ; Cho, E-A ; Kim, D-K

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 40 no. 04 (Jul. 2012), page 1492-1498.
Topik: ANAESTHETICS; Desflurane; Sevoflurane; Gastrectomy; Bradycardia; Reflex

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

OBJECTIVE: This study compared the risk of clinically significant reflex bradycardia during anaesthesia with sevoflurane or desflurane in patients undergoing gastrectomy. METHODS: In this randomized prospective study, 100 patients undergoing gastrectomy were assigned to receive sevoflurane (n = 50) or desflurane (n = 50) anaesthesia. No anticholinergic prophylaxis was administered. Symptomatic reflex bradycardia was defined as a sudden decrease in heart rate to < 50 beats/min, or a decrease to 50 - 59 beats/min if associated with a systolic arterial pressure of 70 mmHg in response to surgical manoeuvres. If reflex bradycardia developed, atropine or ephedrine were administered according to a predefined treatment protocol. RESULTS: Data from 85 patients were available for analysis. The proportion of patients with symptomatic reflex bradycardia in the sevoflurane and desflurane groups was similar (69.0% versus 55.8%, respectively) and both groups required a similar amount of atropine and/or ephedrine. CONCLUSIONS: Clinically significant reflex bradycardia occurred with a relatively high frequency during gastrectomy. Although desflurane is associated with sympathetic activation, it did not provide a protective effect against vagally mediated reflex bradycardia during gastrectomy compared with sevoflurane.

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