Annals of Indian Academy of Neurology
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Ultrasound-guided treatment of meralgia paresthetica: With or without corticosteroid? A double-blinded, randomized controlled study

1 Department of Physical Medicine and Rehabilitation, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
2 Department of Physical Medicine and Rehabilitation, Istanbul Bakirkoy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey

Correspondence Address:
Deniz Palamar,
Department of Physical Medicine and Rehabilitation, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Fatih, Istanbul
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aian.aian_883_22

Background: Blockade of the lateral femoral cutaneous nerve (LFCN) with local anesthetic (LA) has therapeutic role as well as diagnostic value for meralgia paresthetica (MP). The aim of this study was to compare the effectiveness of ultrasound-guided LA and LA + CS injections in the treatment of MP. Methods: This was a prospective, double-blinded, randomized controlled study. Thirty-two patients were evaluated clinically, and electrophysiologically and diagnosed as MP by diagnostic block. They were randomly assigned to two groups and all patients completed the study. The first group (n = 17) received 2 mL of lidocaine 2%+1 mL of betamethasone, while the second group (n = 15) received 2 mL of lidocaine 2% + 1 mL saline solution. Results: No statistically significant difference was detected between the groups in numeric rating scale (NRS) values. In both groups, NRS values were significantly decreased after the injection that confirms the diagnosis of MP. The improvement continued on the following weeks in both groups. At the 4th week, the NRS value reached to 2.47 in the CS group and reached to 3.13 in the LA group. Conclusions: Both CS and LA injections for the treatment of MP were found to be clinically effective and both may be therapeutic options. In intractable cases, once the nerve block is applied with or without CS, well-being can be achieved by keeping the patient away from the triggering factors. To provide effective and isolated injection of LFCN, that may have frequent anatomical variations, ultrasonography guidance could be suggested.

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    -  Palamar D
    -  Terlemez R
    -  Misirlioglu TO
    -  Aydin FY
    -  Akgun K
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