Key result
Parturient spinal column length showed no correlation with the highest level of sensory blockade achieved after subarachnoid hyperbaric bupivacaine administration (R = 0.11).
Why the study?
Does spinal column length correlate with the highest level of sensory blockade after spinal anesthesia with hyperbaric bupivacaine in term parturients?
Cross-Sectional (n=138)
No
Does spinal column length correlate with the highest level of sensory blockade after spinal anesthesia with hyperbaric bupivacaine in term parturients?
Effect estimate: R = 0.11
Spinal column length does not correlate with the spread of subarachnoid hyperbaric bupivacaine in term parturients, suggesting dose adjustments based on this parameter are unnecessary.
No correlation between spinal column length and block height in term parturients; confirms prior observational data and leaves open need for dose adjustment by height.
BACKGROUND: Anesthesiologist frequently tailors the subarachnoid local anesthetic dosage according to parturient height to achieve sensory blockade up to the T4 dermatome for lower segment Caesarean sections (LSCSs).Studies that have been conducted have demonstrated that height does not affect the spread of subarachnoid hyperbaric bupivacaine.This study aimed to • find the correlation between the spinal column length of term parturient and the highest level of sensory blockade after spinal anesthesia.METHODS: This study is conducted at the Sanjeevan Hospital Neminath Nagar Sangli, Maharashtra India from January 2004 to December 2013 The authors studied 138 term parturient of American Society of Anesthesiologists (ASA) physical status I or II scheduled for elective LSCSs.The length of the spinal column was taken as an average of three measurements from the C7 spinous process to the sacral hiatus in a sitting upright and facing forward position.Spinal anesthesia was given by administering 1.8 ml of 0.5% hyperbaric bupivacaine through the L3/L4 or L4/L5 intervertebral space.The level of sensory blockade was assessed using pin-prick testing for pain sensation.Linear regression analysis was used to analyze the correlation; R <0.25 indicates no correlation with the level of significance being < 0.05.RESULTS: The spinal column lengths measured were between 42.2 cm and 85.8 cm (median: 58.5 cm).Spinal anesthesia given was adequate for all patients, with the highest levels of anesthesia ranging from T8 to T2 with sensory levels between T6 and T4.The parturient spinal column length showed no correlation with the highest level of sensory blockade achieved, namely R = 0.11.CONCLUSIONS: The study found no correlation between the parturient spinal column length and the highest level of sensory blockade achieved.
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Deshpande et al. (2014) conducted a cross-sectional in Term parturients scheduled for elective lower segment Caesarean sections (n=138). Spinal column length was evaluated on Correlation between spinal column length and highest level of sensory blockade (R = 0.11). Parturient spinal column length showed no correlation with the highest level of sensory blockade achieved after subarachnoid hyperbaric bupivacaine administration (R = 0.11).