International Journal of Medical Anesthesiology
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P-ISSN: 2664-3766
E-ISSN: 2664-3774
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International Journal of Medical Anesthesiology

2019, Vol. 2, Issue 2, Part A
Isobaric levobupivacaine and fentanyl with isobaric ropivacaine and fentanyl in patients undergoing TURP: Hemodynamic changes


Author(s): Dr. Yuvaraj MK and Dr. Ranjini BN

Abstract: When hypotension occurs after SAB, patients often do not develop reflex tachycardia, this phenomenon may result from blockade of cardio-accelerator sympathetic fibers at T1 to T4 and possibly the “reverse” of the Bainbridge reflex. Rapid infusion of blood or saline sometimes produces an increase in heart rate if the initial HR is slow. This effect was described by Bainbridge in 1915.After SAB, HR decreases as a result of decrease in right atrial filling (secondary to systemic vasodilatation), which in turn leads to a decrease in outflow from intrinsic chronotropic stretch receptors in the right atrium and great veins. In fact, severe bradycardia and even cardiac arrest have been reported after spinal anaesthesia. In this study, 30 males in each group (group R and group L) satisfying the inclusion criteria. Group R: 2.6 cc of 0.75% isobaric ropivacaine (19.5mg) with 0.4cc of fentanyl (20 microgram).Group L: 2.6 cc of 0.5% isobaric levobupivacaine (13 mg) with 0.4cc of fentanyl (20 microgram). There is no statistically significant difference in systolic blood pressure between both the two groups at various intervals. There is no statistically significant difference in mean arterial pressure between the two groups. Ten patients in ropivacaine 0.75% group and seven patients in levobupivacaine 0.5% group developed hypotension which was managed by inj. mephentermine 6 mg IV.

DOI: 10.33545/26643766.2019.v2.i2a.25

Pages: 27-30 | Views: 182 | Downloads: 101

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How to cite this article:
Dr. Yuvaraj MK and Dr. Ranjini BN. Isobaric levobupivacaine and fentanyl with isobaric ropivacaine and fentanyl in patients undergoing TURP: Hemodynamic changes. International Journal of Medical Anesthesiology. 2019; 2(2): 27-30. DOI: 10.33545/26643766.2019.v2.i2a.25