COMPARISON OF POSTOPERATIVE ANALGESIA BETWEENULTRASOUND GUIDED PARAVERTEBRAL BLOCK AND UNILATERALSPINAL ANAESTHESIA IN PATIENTS UNDERGOING OPEN INGUINALHERNIA REPAIR
European Journal of Molecular & Clinical Medicine,
2021, Volume 8, Issue 4, Pages 1647-1660
Abstract
Introduction - The emergence of ultrasound imaging in regional anaesthesiahasrevolutionizedthepopularityofPNBs.Itprovidesveryhigh-resolutionimages,direct
visualization of structures, avoid accidental vessel or nerve injuries and hence providehigh
safetyprofileascomparedtoblindprocedures.Thisleadstoincreasedsuccessrateduetoreal
timeimagingwhilethedrugisbeinginjected,decreaseddoseneededforlocalanaestheticsand
hence reduced the risk of local anaesthetictoxicity.
Methodology-ThestudywasdoneastheRandomizedSingleBlindedComparativeStudy.
Patientsundergoingunilateralinguinalherniarepairwerechosen.Thepatientswererandomly
allocated into two groups such as group S (Unilateral Spinal Anaesthesia) and groupP
(Paravertebralblock),of25patientseach,usingblockrandomizationwithsealedenvelope
system.
Results-Wefoundthatthemeanarterialpressurewasbetterpreservedinthepatientsreceiving
PVBascomparedtounilateralspinalanaesthesia.However,heartratewascomparableinboth
techniques. PVB provides better postoperative analgesia as time to first rescue analgesiawas
significantly higher and total rescue analgesia consumption was significantly less in groupP.
No significant difference was found in adverse effects in bothtechniques
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