Sex and Pain-Related Psychological Variables Are Associated With Thermal Pain Sensitivity for Patients With Chronic Low Back Pain

2007 ◽  
Vol 8 (1) ◽  
pp. 2-10 ◽  
Author(s):  
Steven Z. George ◽  
Virgil T. Wittmer ◽  
Roger B. Fillingim ◽  
Michael E. Robinson
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Pain Sensitivity ◽  
Low Back ◽  
Psychological Variables ◽  
Thermal Pain ◽  
Thermal Pain Sensitivity

scholarly journals Effect of the duration of chronic low back pain on pain sensitivity of patients undergoing lumbar fusion surgery

Pain medicine ◽  
2021 ◽  
Vol 5 (4) ◽  
pp. 8-15
Author(s):  
Mei-ping Qian ◽  
Mei-rong Dong ◽  
Fang Kang ◽  
Juan Li
Keyword(s):  
Chronic Pain ◽  
Low Back Pain ◽  
Back Pain ◽  
Hospital Stay ◽  
Chronic Low Back Pain ◽  
Pain Sensitivity ◽  
Lumbar Fusion ◽  
Low Back ◽  
Fusion Surgery ◽  
Lumbar Fusion Surgery

Background: chronic low back pain is a serious social problem. In recent years, patients who choose lumbar fusion surgery due to chronic low back pain has been increasing. Pre-existing chronic pain has been associated with severe postoperative pain. In this study, we have sought to prospectively analyze the association between the duration of chronic low back pain and pain sensitivity after lumbar fusion surgery. Methods: 400 patients who underwent lumbar fusion surgery were divided into three groups based on the duration of chronic pain. During the first postoperative day, the maximum pain scores of each patient day and night, the pain scores at the day of discharge, the consumption of postoperative analgesics and the length of hospital stay were recorded. Results: of 400 patients recruited, 369 patients completed the experiment. There was no significant difference in gender, age, height, weight, pre-operative pain at rest, and operation time in the three groups. During the day, the pain sensitivity of the three groups were 1.71 ± 0.66, 2.40 ± 0.74, 2.90 ± 0.80. During the night, the pain sensitivity of the three groups were 3.45 ± 0.81, 4.31 ± 1.06, 4.86 ± 1.05. At the day of discharge, the pain sensitivity of three groups were 1.26 ± 0.46, 1.47 ± 0.58, 1.96 ± 0.64. There were significant differences in pain sensitivity among the three groups during the day and night on the first postoperative day and at the day of discharge (p < 0.05). The length of hospital stay (7.31 ± 1.36 days, 8.82 ± 1.48 days, 9.60 ± 1.61 days) and analgesic consumption (25.04 ± 36.56 mg, 33.52 ± 24.04 mg, 45.15 ± 24.89 mg, morphine equivalent) were also significant differences (p < 0.05). Conclusion: we found the duration of chronic low back pain before lumbar fusion surgery affects patient’ postoperative pain sensitivity, consumption of analgesic drugs and hospital stay. The longer the preoperative chronic pain lasts, the higher the postoperative VAS score is, the more analgesic drugs were consumed, and the longer hospital stay is.

scholarly journals The relationship between catastrophizing and altered pain sensitivity in patients with chronic low-back pain

Pain ◽  
2019 ◽  
Vol 160 (4) ◽  
pp. 833-843 ◽  
Author(s):  
Samantha M. Meints ◽  
Ishtiaq Mawla ◽  
Vitaly Napadow ◽  
Jian Kong ◽  
Jessica Gerber ◽  
...  
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Pain Sensitivity ◽  
Low Back ◽  
The Relationship

scholarly journals Longitudinal Observation of Changes in Pain Sensitivity during Opioid Tapering in Patients with Chronic Low-Back Pain

Pain Medicine ◽  
2011 ◽  
Vol 12 (12) ◽  
pp. 1720-1726 ◽  
Author(s):  
Haili Wang ◽  
Michael Akbar ◽  
Nina Weinsheimer ◽  
Simone Gantz ◽  
Marcus Schiltenwolf
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Pain Sensitivity ◽  
Low Back ◽  
Longitudinal Observation ◽  
Opioid Tapering

scholarly journals Impaired mesocorticolimbic connectivity underlies increased pain sensitivity in chronic low back pain

NeuroImage ◽  
2020 ◽  
Vol 218 ◽  
pp. 116969 ◽  
Author(s):  
Siyi Yu ◽  
Wen Li ◽  
Wei Shen ◽  
Robert R. Edwards ◽  
Randy L. Gollub ◽  
...  
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Pain Sensitivity ◽  
Low Back

scholarly journals Does Long-Term Opioid Therapy Reduce Pain Sensitivity of Patients with Chronic Low Back Pain? Evidence from Quantitative Sensory Testing

2012 ◽  
Vol 3S;15 (3S;7) ◽  
pp. ES135-ES143
Author(s):  
Haili Wang
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Quantitative Sensory Testing ◽  
Pain Sensitivity ◽  
Opioid Therapy ◽  
Low Back ◽  
Sensory Testing ◽  
Opioid Treatment

Background: Long-term opioid treatment has been used extensively in treatment of chronic low back pain (cLBP) in the last decades. However, there are serious limitations to the long-term efficacy of opioids and related side effects. Objectives: In this study we investigated whether long-term opioid treatment changes pain sensitivity of patients with cLBP. Study Design: A prospective, nonrandomized, cross-sectional study. Setting: Multidisciplinary pain management clinic, specialty referral center, university hospital in Germany. Methods: Using quantitative sensory testing (QST), we compared the pain sensitivity of the low back bilaterally among 3 groups: 35 patients with cLBP undergoing a long-term opioid therapy (OP); 35 patients with cLBP administered no opioids (ON), and 28 subjects with neither pain nor opioid intake (HC). Results: OP patients showed significantly higher bilateral thermal detection thresholds to warm stimuli on the back as compared to both ON (P = 0.009 for left low back, P = 0.008 for right low back) and HC subjects (P = 0.004 for left low back, P = 0.003 for right low back). Pain thresholds for cold and heat on the hand were similar in OP and ON groups; both showed, however, significantly reduced heat pain thresholds in comparison with HC participants (P = 0.012 for OP, P = 0.001 for ON). Factors such as age, sex, duration and dose of opioid intake, and self-reported pain intensity, but not depression and pain duration, correlated significantly with QST results. Limitations: Limitations include small numbers of patients with heterogeneous opioid therapy and the nonrandomized observational nature of the study. Conclusions: The current study demonstrated that chronic opioid intake may only reduce the temperature sensitivity but not pain sensitivity measured by QST which is a useful tool in detecting characteristic changes in pain perception of patients with chronic low back pain after long-term opioid intake. Key words: Pain sensitivity, opioid treatment, chronic low back pain (cLBP), quantitative sensory testing (QST)

Influence of the Generation of Motor Mental Images on Physiotherapy Treatment in Patients with Chronic Low Back Pain

2020 ◽  
Vol 4;23 (7;4) ◽  
pp. E399-E408
Author(s):  
Roy La Touche
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Pain Intensity ◽  
Motor Imagery ◽  
Chronic Low Back Pain ◽  
Self Efficacy ◽  
Therapeutic Education ◽  
Low Back ◽  
Psychological Variables ◽  
Visual Motor

generating kinesthetic and visual motor imagery. Objectives: The main aim of this study was to determine whether the ability to generate mental motor imagery (MIab) influences psychological, motor, and disability variables in patients with NCLBP. The secondary aim was to determine whether an approach based on therapeutic exercise (TE) and therapeutic education (TEd) could improve the MIab in those patients with less ability to perform it. Study Design: Cross-sectional and quasiexperimental study. Setting: Physical Therapy Unit of primary health care center in Madrid, Spain. Methods: A total of 68 patients were divided into 2 groups according to a greater (n = 34) or lesser (n = 34) MIab. Treatment was based on TEd and TE for the group with less ability to generate kinesthetic and visual motor imagery. The outcome measures were imagery requested time, self-efficacy, disability, pain intensity, lumbar strength, psychological variables, and MIab. Results: The group with lesser MIab showed lower levels of self-efficacy (P = 0.04; d, −0.47) and lower levels of lumbar strength and extension strength (P = 0.04; d, −0.46 and P = 0.02; d, −0.52, respectively). After the intervention with TE and TEd, MIab (both kinesthetic and visual) improved significantly, with a moderate to large effect size (P ≤ 0.01; d, −0.80 and P ≤ 0.01; d, −0.76, respectively), as did pain intensity, lumbar strength, disability, and psychological variables (P < 0.05), but not levels of self-efficacy (P > 0.05). Based on the results, the patients with NCLBP with lesser MIab achieved lower levels of self-efficacy and lower strength levels. Limitations: The results of this study should be interpreted with caution because of its quasiexperimental design and a bias selection. Conclusions: A clinical TE approach, coupled with a TEd program, resulted in significant improvement in MIab (both kinesthetic and visual), reduced pain intensity, increased lumbar strength, reduced disability, and improved psychological variables, but it did not significantly improve self-efficacy levels in the patients with NCLBP. Key words: Chronic low back pain, motor imagery, disability, lumbar strength

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