Publication: The Effect of Intraspinal Bupivacaine versus Levobupivacaine on the QTc Intervals during Caesarean Section: A Randomized, Double-blind, Prospective Study
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Date
2014-03-01T00:00:00Z
Authors
Authors
Dogan, Zafer
Yildiz, Huseyin
Akcay, Ahmet
Coskuner, Ismail
ARIKAN, DENİZ CEMGİL
Silay, Emin
Akbudak, Ilknur H.
Kaya, Hakan
ÖKSÜZ, HAFİZE
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Abstract
The aim of this study was to describe whether or not spinal anaesthesia with bupivacaine versus levobupivacaine has any effects on the QTc interval during caesarean section. Sixty healthy pregnant women scheduled for elective caesarean section were randomized to spinal anaesthesia with either bupivacaine (the bupivacaine group) or levobupivacaine (the levobupivacaine group). ECG recordings were performed prior to spinal anaesthesia at baseline (T1), 5min. after spinal anaesthesia, but before uterine incision (T2), and after skin closure (T3). QT intervals were calculated and corrected with the patients- heart rate according to the Bazett formula. Compared with baseline values, mean maximum QTc intervals at T2 and T3 were significantly longer in the levobupivacaine group, but only at T2 in the bupivacaine group. In addition, compared with the bupivacaine group, the QTc maximum interval at T3 was significantly longer in the levobupivacaine group. At T2, the QTc maximum intervals were longer than baseline in both groups. By the end of the surgery, the prolongation of the QTc interval had disappeared in the bupivacaine group but not in the levobupivacaine group.
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spinal anesthesia
Citation
Dogan Z., Yildiz H., Akcay A., Coskuner I., ARIKAN D. C. , Silay E., Akbudak I. H. , Kaya H., ÖKSÜZ H., -The Effect of Intraspinal Bupivacaine versus Levobupivacaine on the QTc Intervals during Caesarean Section: A Randomized, Double-blind, Prospective Study-, BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY, cilt.114, ss.248-253, 2014