ArticleCureus2025
A Double-Blind Randomized Controlled Trial Comparing Intrathecal 0.5% Isobaric Levobupivacaine With Fentanyl to 0.5% Isobaric Ropivacaine With Fentanyl for Elective Cesarean Section.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
Background This study was planned to compare the onset and duration of action and the levels of sensory and motor blocks of 0.5% isobaric levobupivacaine with fentanyl to 0.5% isobaric ropivacaine with fentanyl addition in subarachnoid block in elective cesarean cases. Materials and methods This hospital-based randomized interventional controlled study was conducted in a tertiary care facility in Jaipur. Sixty women who planned for elective lower-segment cesarean section, with more than 37 weeks of gestational period during the study period, were included in our study. These women were randomly divided into two study groups, using sealed opaque envelopes, and double blinding was ensured. In group L, women received 0.5% isobaric levobupivacaine with fentanyl, and in group R, 0.5% isobaric ropivacaine with fentanyl was given. Results The mean time for sensory and motor block onset was significantly lower in group L than in group R (p<0.05). The mean time for two-segment regression for sensory block was significantly higher in group L than in group R (p<0.05). The mean duration of total motor blockade (B0) was significantly higher in group L compared to group R. The differences in the mean duration of total motor blockade were statistically significant (p<0.05). The mean change in mean arterial pressure (MAP) in group L was significantly higher than in group R (p<0.05). Conclusion This study provides valuable insights into the comparative effects of 0.5% isobaric levobupivacaine with fentanyl and 0.5% isobaric ropivacaine with fentanyl for spinal anesthesia in cesarean sections. Both anesthetic agents were well-tolerated, with no severe complications or side effects observed in either group. While levobupivacaine offers an early onset of action, ropivacaine demonstrates a more favorable hemodynamic profile with an early regression of motor block. Ropivacaine may be a suitable alternative to levobupivacaine for spinal anesthesia in cesarean sections, particularly in patients with unstable hemodynamics. Further research is necessary to investigate the long-term effects of these agents and to optimize their use in different patient populations.
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