Subarachnoid Block In Lateral Decubitus Position Using 1ml,2ml And 3ml Of 0.5% Heavy Bupivacaine For Lower Limb Surgeries--Comparison Between Dependent(DL) And Nondependent Limb(NDL) For Onset, Highest Sensory Level And Duration Of Spinal Block
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 10
Abstract
Introduction :Subarachnoid block using local anesthetics is choice of anesthesiafor lower limb surgeries .We conducted study on 75 patients 25 each group of 1,2 and 3ml of 0.5% heavy bupivacaine(8% glucose) for spinal anesthesia in lower limb surgeries. We compared effect of spinal block between dependent limb and non dependent limb after giving spinal anesthesia in lateral decubitious position. Aim: To study and compare dependent with nondependent limb fortime taken for onset, highest sensory dermatomal level and duration of recovery of subarachnoid block in lateral decubitious position using different volumes of 0.5% heavy bupivacaine in patients posted for lower limb surgeries. Material and method:75 patients between 18 to 80 yrs of age undergoing lower limb surgeries lasting for 90 to 120 minutes were selected. Informed consent of the patients were taken.Randomisedtothree different groups of 1ml,2ml and 3ml of heavy 0.5% bupivacaine.Spinal anesthesia was given in lateraldecubitious position with operating limb on dependent side. Pinprick method was used for assessing sensory block and Bromage’s scale used for motor assessment.We assessed time taken for onset of subarachnoid block, highest level of sensory block and time for recovery from subarachnoid block and were recorded. Then we compared effect of spinal block between dependent and nondependent limb.. Results: Demographically all three groups were comparable.For comparison of means of two groups. Student‘t’ was used and comparison of frequencies within group ‘X2 ’(Chi square)test was used.Nostatistically significant difference foundin onset ofsensory and motor block between dependent and non-dependent side in all groups(p value->0.05).There was no statistical significant difference in highest dermatomal sensory level between dependent and nondependent side in all the groups, which was contrary to the observation, may be due to small sample size of study(p value->0.05). There was statistical significant difference in duration of both sensory and motor block between dependent and nondependent side(p value-<0.05) Conclusion: Spinal anesthesia when given in lateral decubitious position there isnosignificant difference in onset of spinal anesthesia between dependent and nondependent limb. Contrary to observation this study showed no difference between dependent and nondependent limb in highest sensory dermatomal level of block may be due to small sample size. There is significant difference between both limbs in duration of sensory and motor block.
Authors and Affiliations
Sunil Chapane, Nilesh Patil, Yogesh Naik
Keywords
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- EP ID EP239013
- DOI 10.9790/0853-1610010108
- Views 121
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