Paravertebral block versus unilateral spinal anesthesia for inguinal hernia repair - A comparative clinical trial
DOI:
https://doi.org/10.21276/apjhs.2017.4.4.40Keywords:
Early ambulation, inguinal hernia repair, paravertebral block, spinal anesthesiaAbstract
Background: Inguinal hernia repair can be performed under satisfactory anesthetic conditions using general, regional, and
peripheral nerve block anesthesia. Aims and Objectives: The aim of this study is to evaluate whether two-segment paravertebral
block (PVB) can sustain as a viable alternative to unilateral spinal anesthesia (SA) as well by comparing the time to ambulation
(primary outcome), duration of post-operative analgesia, and incidence of adverse events. Materials and Methods: We carried
our study in 60 male patients, of the American Society of Anesthesiologists physical status I and II, aged 18–65 years, scheduled
for a unilateral inguinal hernia repair procedure. The patients were divided randomly into two groups of 30 each. Experienced
anesthesiologist gave unilateral SA and PVB, and the outcome measures of this study recorded were time to ambulation, time to
first analgesic (duration of post-operative analgesia), total rescue analgesic consumption in the first 24-h period, and incidence of
adverse events. Results: Demographic characteristics in both the groups were comparable. The time to ambulation in unilateral
SA was significantly more prolonged (P < 0.001) than PVB. The time to the first analgesic in Group-P was significantly longer than
PVB. Total rescue analgesic (IV tramadol) consumption in the first 24 h was significantly lower (P < 0.05) in Group-P in comparison
to Group-S. Adverse events were fewer but not significant in Group-P than in Group-S. Conclusion: Two-segment PVB is a safe
alternative to spinal anesthesia in unilateral inguinal hernia.
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