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  • Study Finds Perineural...

Study Finds Perineural Dexamethasone May Delay Nerve Recovery After Surgery, Urges Caution for High-Risk Patients

Written By : Medha Baranwal |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2024-08-26T07:30:40+05:30  |  Updated On 26 Aug 2024 10:26 AM IST
Study Finds Perineural Dexamethasone May Delay Nerve Recovery After Surgery, Urges Caution for High-Risk Patients
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China: A recent randomized controlled trial has brought new insights into the use of perineural dexamethasone for managing nerve injury and recovery following surgery. The study, published in Heliyon, suggests that while dexamethasone is commonly used to reduce inflammation, its impact on nerve function recovery may be more complex than previously thought.

"Perineural dexamethasone could hinder nerve function recovery, indicating the need for caution, especially in patients with pre-existing nerve damage or diabetes," the researchers wrote.

Perineural dexamethasone, a corticosteroid administered near nerves to alleviate inflammation and pain, is often used in surgical settings to enhance recovery and minimize postoperative discomfort. Although many studies have explored how perineural dexamethasone affects nerve block duration, its potential effects on postoperative nerve injury have not been thoroughly investigated. Considering this, Yunke Dai, Department of Anesthesiology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China, and colleagues aimed to clarify the impact of perineural dexamethasone on nerve injury and the recovery of nerve function following surgery.

The study, a prospective randomized double-blinded trial, was conducted at The First Affiliated Hospital of Chengdu Medical College in Chengdu, China, from June 14 to December 30, 2022. It involved patients aged 18 to 80 years, classified as ASA I or II, who were scheduled for elective orthopedic, burn, or plastic surgery. Participants were randomly assigned to receive either perineural dexamethasone (D group) or no dexamethasone (ND group).

The primary outcomes measured were the incidence and recovery of nerve injury, while secondary outcomes included postoperative pain scores, analgesic consumption, and adverse events.

The researchers reported the following findings:

  • Initial postoperative nerve injury rates were similar between groups (D: 30.4 %, ND: 33.3 %).
  • At 12 weeks post-discharge, significantly more patients in the ND group recovered from nerve deficits (78.8 % versus 60.3 %; OR = 2.45).
  • There were no significant differences in postoperative hyperglycemia or surgical site infection rates.

The study revealed that perineural dexamethasone did not increase the initial risk of postoperative nerve injury but seemed to delay recovery from nerve injury symptoms. The researchers suggest weighing the advantages of prolonged analgesia and reduced postoperative nausea against this potential delay. Diabetes and tourniquet use were identified as significant risk factors, necessitating extra caution in these patients.

"These findings underscore the need for careful use of dexamethasone in high-risk individuals. Future research should focus on optimizing dosing, exploring alternative administration methods, and conducting longer-term studies to better understand the impact of dexamethasone on nerve recovery," the researchers concluded.

Reference:

Zhu, N., Xiang, B., Shi, J., Yang, P., Dai, Y., & Wang, S. (2024). The effect of perineural dexamethasone on nerve injury and recovery of nerve function after surgery: A randomized controlled trial. Heliyon, 10(16), e35612. https://doi.org/10.1016/j.heliyon.2024.e35612


HeliyonPerineural dexamethasonenerve injuryNerve functionOrthopedic surgery
Source : Heliyon
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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