The effect of subarachnoid or epidural bupivacaine on the QTc and P-wave dispersion
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Dosyalar
Tarih
2020
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Aim: Bupivacaine, which is widely used in neuraxial anesthesia, may lead to negative inotropic effect and arrhythmias. In this study,
our objective is to evaluate the effects of bupivacaine on corrected QT interval (QTc) and P wave dispersion in epidural anesthesia
and to compare them with those in spinal anesthesia.
Material and Methods: Ninety patients (59 male, 31 female) who applied neuraxial anesthesia for unilateral inguinal hernia
repair were randomly allocated into two groups: Group S (Spinal, n = 49), Group E (Epidural, n = 41). Neuraxial anesthesia was
performed by bupivacaine in both groups. We calculated heart rate, QT interval, corrected QT interval and P wave dispersion from
electrocardiography, before anesthesia and after the operation.
Results: Postoperative QT interval was significantly longer than preoperative value in both groups (preoperative 0.388 sec in Group
S and Group E versus, postoperative 0.407 sec in Group S and 0.397 sec in Group E), (p=0.001). Postoperative QTc prolongation
was significantly higher in Group S, but there was no statistically significant difference between the groups (preoperative 0.418
sec versus, postoperative 0.424 sec in Group S), (p = 0.129). Preoperative and postoperative P wave dispersion value revealed no
statistically significant differences in both inter- and intragroup comparisons.
Conclusion: Bupivacaine caused a postoperative QTc interval prolongation in spinal and epidural anesthesia, which did not reach
levels that were regarded as risky for ventricular arrhythmias despite being more prominent in the spinal anesthesia group compared
with the epidural anesthesia group
Açıklama
Anahtar Kelimeler
Kaynak
Annals of Medical Research
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Künye
Secen, O., Ozcan, S., Yildiz Altun, A., & Demirel, I. (2021). The effect of subarachnoid or epidural bupivacaine on the QTc and P-wave dispersion . Annals of Medical Research
