Preoperative Pregabalin Prolongs Duration of Spinal Anesthesia and Reduces Early Postoperative Pain
Journal Title: The Egyptian Journal of Hospital Medicine - Year 2018, Vol 73, Issue 2
Abstract
<strong>Background: </strong>Various adjuvants have been used to prolong spinal anesthesia, with the additional advantages of delaying the onset of postoperative pain and reducing postoperative analgesic requirements. Pregabalin is an <em>R-</em>aminobutyric acid analog that binds to the α2-δ subunit of presynaptic voltage-gated calcium channels. <strong>Objective: </strong>The aim of this work is to evaluate the efficacy of a single dose of pregabalin in terms of spinal blockade duration and its potential opioid-sparing effect during the first 24 hours postoperatively Patients and Methods: There were limitations to the present study. First, since only 1 dosage of pregabalin was evaluated, we could not determine the most effective dosage. Second, clinically meaningful improvements in recovery were not assessed. Adequate postoperative pain control provides early postsurgical mobilization, shortened hospitalization, and increased patient satisfaction. Third, preoperative pain and anxiety scores were not recorded. Pregabalin might affect the preoperative pain, mood, and anxiety scores, and these factors can be related to the postoperative pain score. <strong>Results: </strong>The mechanisms by which pregabalin premedication prolongs motor and sensory blocks using local anesthetics in spinal anesthesia are not fully understood. There may be several reasons for the prolongation of spinal anesthesia. Gabapentinoids are an <em>r</em>-aminobutyric acid analog that binds to α2-δ subunit of presynaptic voltage-gated calcium channels, and this inhibition decreases postsynaptic excitability by reducing potassium-evoked excitatory transmitter release. These medications provide antiepileptic, anxiolytic, and analgesic features by modulating both GABAergic neurotransmission and calcium influx. Gabapentinoid compounds produce a significant and clinically important improvement in preoperative anxiety scores. Since patients may be anxious in the perioperative period, the anxiolytic effects and euphorigenic effects of pregabalin may be beneficial. <strong> </strong>
Authors and Affiliations
Eman Helal
Keywords
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- EP ID EP584447
- DOI 10.12816/ejhm.2018.12730
- Views 113
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