Localized Gluteal Skin Pinch Pressure Hyperalgesia in Patients with Chronic Low-Back Pain

Document Type : Original Article

Authors

1 Assistant professor of Physical Medicine & Rehabilitation, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 Assistant professor of Anesthesiology and Pain Fellowship, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3 Ph.D. of Circadian Biology, London, United Kingdom

4 Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran

Abstract

Background: Chronic low back pain (CLBP) is one of the major health problems and CLBP patients suffer from reduced quality of life and loss or limitation of employment.
Objectives: This study was aimed at comparing pinch pressure pain sensibility of the skin of total low back area in patients with nonspecific low back pain.
Methods: This observational, case-control study was conducted on patients who had suffered from chronic low back pain (LBP) with an intensity score of more than 25 (using the visual analog scale, VAS; 0–100 mm) for at least constant three months between October 2012 and June 2013. By mechanical pinching the skin of the lower back area, skin hyperalgesia was assessed in 193 patients. Following a double-blind design, skin hyperalgesia was also assessed for the skin of the control group (108 people).
Results: Signs of hyperalgesia in the upper lateral quadrant of the gluteal area, around the posterior part of the iliac crest, were found in both groups but the degree of hyperalgesia in chronic nonspecific LBP patients (with & without symptoms) was significantly higher (P<0.001).
Conclusion: The results demonstrated that pressure-induced localized gluteal skinfold tenderness (hyperalgesia) is found in most patients with chronic low-back pain.

Keywords

Novelty in Clinical Medicine
Volume 1, Issue 1 - Serial Number 1
January 2022
Pages 32-37

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History

  • Receive Date: 16 November 2021
  • Revise Date: 24 December 2021
  • Accept Date: 26 December 2021

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