| In vivo Comparison of the Effects of Bupivacaine and Levobupivacaine on the Pregnant Rat Myometrium Using Electrohysterogram. | |
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MedLine Citation:
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PMID: 22086131 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background and Aims: The effect of local anesthetics on myometrial contractility during labor analgesia is debatable. We aimed to compare the effects of bupivacaine and levobupivacaine on rat uterine contractility in an in vivo setting. Methods: Electrical activities of 40 pregnant rat uteruses were recorded on electrohysterogram after dividing the rats into bupivacaine and levobupivacaine groups. Uterine contraction frequencies were recorded at each 5-min interval. The first 5-min recording was considered the control, which was immediately followed by intramyometrial administration of either bupivacaine or levobupivacaine. The recordings were continued for 30 min. The changes in frequencies at each time interval of the groups were compared with each other and the control recording. Results: The frequencies from both groups at each interval were lower than the control values, but not different between the groups. The frequencies of the bupivacaine group during the 5-10 min and 10-15 min intervals were lower than the control time interval, but no significant differences were present between the control and the other time intervals. However, no significant differences were found at any time interval for the levobupivacaine group. Conclusion: Levobupivacaine led to less muscle relaxation compared to bupivacaine and may be a better option for labor analgesia and anesthesia considering uterine contractility. |
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Authors:
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Gursel Kaynak; Abdulkadir Iskender; Mustafa Albayrak; Seyit Ankaralı; Serif Demir; Yavuz Demiraran; Gulbin Sezen Yalcın |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-12 |
Journal Detail:
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Title: Gynecologic and obstetric investigation Volume: - ISSN: 1423-002X ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7900587 Medline TA: Gynecol Obstet Invest Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 S. Karger AG, Basel. |
Affiliation:
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Department of Anesthesiology and Reanimation, Duzce University School of Medicine, Duzce, Turkey. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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