Related Experiment Video
Updated: Jun 29, 2026

08:56
Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies
Published on: October 7, 2021
2.6K
Electrophysiologic Evidence of Concomitant Focal Nerve Entrapments in Persons With Rheumatoid Arthritis: A
Michael S Nirenberg1, Roberto P Segura2, Alex M Segura2
1*Friendly Foot Care PC, Crown Point, IN.
Journal of the American Podiatric Medical Association
|January 28, 2025
Summary
Rheumatoid arthritis (RA) patients frequently experience peripheral nerve entrapment, specifically carpal tunnel syndrome (CTS) and tarsal tunnel syndrome (TTS). This study found a significant incidence of both conditions, often occurring simultaneously in RA patients.
Area of Science:
- Neurology
- Rheumatology
- Orthopedics
Background:
- Rheumatoid arthritis (RA) is associated with peripheral nerve entrapment, but studies often examine upper or lower extremities separately.
- Previous research on RA-related nerve entrapment has typically involved small sample sizes.
- Simultaneous assessment of upper and lower extremity nerve entrapment in RA patients is under-researched.
Purpose of the Study:
- To determine the incidence of carpal tunnel syndrome (CTS) and tarsal tunnel syndrome (TTS) concurrently in patients with rheumatoid arthritis (RA).
- To investigate the prevalence of simultaneous CTS and TTS in a large cohort of RA patients.
Main Methods:
- A cross-sectional study involving 338 rheumatoid arthritis patients with clinical signs of nerve entrapment.
- Retrospective survey utilizing electrodiagnostic testing to confirm carpal tunnel syndrome (CTS) and tarsal tunnel syndrome (TTS).
- Analysis of a sample comprising 269 women and 69 men.
Main Results:
- Electrodiagnostic testing revealed carpal tunnel syndrome (CTS) in 75.7% of patients and tarsal tunnel syndrome (TTS) in 24.3%.
- Concurrent CTS and TTS were diagnosed in 14.8% of the study participants (50 patients).
- Higher incidence of both CTS and TTS was observed in women compared to men.
Conclusions:
- Peripheral nerve entrapment, including CTS and TTS, is highly prevalent in individuals with rheumatoid arthritis (RA).
- The occurrence of simultaneous carpal tunnel syndrome and tarsal tunnel syndrome in RA patients is significant.
- Findings highlight the importance of evaluating both upper and lower extremity nerve entrapment in RA management.
More Related Videos
Related Concept Videos
Genome-wide Association Studies-GWAS
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
Local Anesthetics: Differential Sensitivity of Nerve Fibers
Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...

