Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain

Background: An intravenous infusion of lidocaine has been used on numerous occasions to produce analgesia in neuropathic pain. It has been shown to be beneficial for the treatment of variety of neuropathic pain states in a wide range of dosage, from 2 to 7.5 mg/kg. The aim of our study was to evalua...

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Main Authors: Anju Ghai, Bharti Verma, Kanika Rohilla
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-01-01
Series:MAMC Journal of Medical Sciences
Subjects:
Online Access:http://www.mamcjms.in/article.asp?issn=2394-7438;year=2023;volume=9;issue=1;spage=13;epage=17;aulast=Ghai
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author Anju Ghai
Bharti Verma
Kanika Rohilla
author_facet Anju Ghai
Bharti Verma
Kanika Rohilla
author_sort Anju Ghai
collection DOAJ
description Background: An intravenous infusion of lidocaine has been used on numerous occasions to produce analgesia in neuropathic pain. It has been shown to be beneficial for the treatment of variety of neuropathic pain states in a wide range of dosage, from 2 to 7.5 mg/kg. The aim of our study was to evaluate the efficacy of two different doses of intravenous lidocaine (3 and 4 mg/kg) in patients with chronic pain. Methods: Patients above the age of 18 years suffering from chronic pain due to postherpetic neuralgia, post-surgical scar pain, chronic low back pain having numeric analogue scale (NAS) pain score of ≥3 without satisfactory pain relief from conservative treatment were randomised to receive either 3 mg/kg or 4 mg/kg intravenous lidocaine in 250 mL normal saline infusions weekly over a period of 1 hour for 3 weeks. NAS was measured before starting each infusion, immediately after completion of infusion, 2 and 24 hours, 7th day, 14th day, 21st day, and 28th day. Results: NAS score at first hour and 24th hour was significantly reduced (P = 0.001), after each infusion [7th, 14th day] in both the groups. There was no statistical difference in pain score among both groups except for day 7 (P value 0.04). Reduction in NAS score was also present on 21st and 28th day in both groups, but it did not reach a significant value. On 28th day, NAS score values showed increasing trend. Duration of pain relief was around 1 week after each infusion in both groups. Conclusion: Intravenous lidocaine at a dose of 3 mg/kg or 4 mg/kg was effective in reducing pain in patients with chronic pain. The analgesic effect was not different among both groups. Trend of greater response was observed with 4 mg/kg dose.
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spelling doaj.art-82dc0e4785df440598a79f7ee7c5ac962023-07-21T12:45:25ZengWolters Kluwer Medknow PublicationsMAMC Journal of Medical Sciences2394-74382023-01-0191131710.4103/mamcjms.mamcjms_7_23Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic PainAnju GhaiBharti VermaKanika RohillaBackground: An intravenous infusion of lidocaine has been used on numerous occasions to produce analgesia in neuropathic pain. It has been shown to be beneficial for the treatment of variety of neuropathic pain states in a wide range of dosage, from 2 to 7.5 mg/kg. The aim of our study was to evaluate the efficacy of two different doses of intravenous lidocaine (3 and 4 mg/kg) in patients with chronic pain. Methods: Patients above the age of 18 years suffering from chronic pain due to postherpetic neuralgia, post-surgical scar pain, chronic low back pain having numeric analogue scale (NAS) pain score of ≥3 without satisfactory pain relief from conservative treatment were randomised to receive either 3 mg/kg or 4 mg/kg intravenous lidocaine in 250 mL normal saline infusions weekly over a period of 1 hour for 3 weeks. NAS was measured before starting each infusion, immediately after completion of infusion, 2 and 24 hours, 7th day, 14th day, 21st day, and 28th day. Results: NAS score at first hour and 24th hour was significantly reduced (P = 0.001), after each infusion [7th, 14th day] in both the groups. There was no statistical difference in pain score among both groups except for day 7 (P value 0.04). Reduction in NAS score was also present on 21st and 28th day in both groups, but it did not reach a significant value. On 28th day, NAS score values showed increasing trend. Duration of pain relief was around 1 week after each infusion in both groups. Conclusion: Intravenous lidocaine at a dose of 3 mg/kg or 4 mg/kg was effective in reducing pain in patients with chronic pain. The analgesic effect was not different among both groups. Trend of greater response was observed with 4 mg/kg dose.http://www.mamcjms.in/article.asp?issn=2394-7438;year=2023;volume=9;issue=1;spage=13;epage=17;aulast=Ghaichronic neuropathic painintravenous lidocainenumeric analog scale [nas]
spellingShingle Anju Ghai
Bharti Verma
Kanika Rohilla
Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
MAMC Journal of Medical Sciences
chronic neuropathic pain
intravenous lidocaine
numeric analog scale [nas]
title Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
title_full Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
title_fullStr Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
title_full_unstemmed Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
title_short Evaluation of Efficacy of Two Different Doses of Intravenous Lidocaine in Patients with Chronic Pain
title_sort evaluation of efficacy of two different doses of intravenous lidocaine in patients with chronic pain
topic chronic neuropathic pain
intravenous lidocaine
numeric analog scale [nas]
url http://www.mamcjms.in/article.asp?issn=2394-7438;year=2023;volume=9;issue=1;spage=13;epage=17;aulast=Ghai
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