Title:The Role of Vitamin D in Carpal Tunnel Syndrome Risk and Supplementation Outcomes: A Systematic Review
Volume: 19
Issue: 4
Author(s): Shahin Asgari Savadjani, Catherine MT Sherwin, Saeid Heidari-Soureshjani, Mohammad Darvishi*Mehdi Mohammadian Amiri
Affiliation:
- Infectious Diseases and Tropical Medicine Research Centre (IDTMRC), Department of Aerospace and Subaquatic Medicine, AJA University of Medical Sciences, Tehran, Iran
Keywords:
Vitamin D, serum 25(OH)D, carpal tunnel syndrome, systematic review, oxidative stress, cytokines.
Abstract:
Background: Carpal tunnel syndrome (CTS) is a debilitating neuropathy that accompanies
pain and other physical limitations and disrupts the normal functioning of the victims' lives.
Objective: We aimed to investigate Vitamin D's preventive and therapeutic effects on the occurrence
and remission of CTS symptoms.
Methods: In this systematic review the PRISMA statement has been designed primarily. An extensive
search was undertaken in various databases, including PubMed, Cochrane library, Web of Science,
EMBASE, and Scopus. After considering the inclusion and exclusion criteria of the study, finally,
19 articles were retrieved. The raw data were extracted and entered into an Excel form, and
the study outcomes were investigated.
Results: The main symptoms and tests, including functional score, nerve conduction, and pain, were
improved after Vitamin D supplementation in CTS patients. However, they revealed worse scores in
people with low Vitamin D levels. In addition, the scores of mentioned indices were worsened in
people with lower serum Vitamin D levels. Nevertheless, some studies did not find a significant relationship
between low serum 25(OH)D and more significant pain scores in CTS patients. In addition,
Vitamin D inserts its effects on CTS by regulating cell proliferation, nerve growth factor, suppression
of oxidative stress and inflammatory cytokines, and improvement in cartilage and microvascular
damage.
Conclusion: Vitamin D supplementation can improve the symptoms in CTS patients, and low serum
25(OH)D can aggravate the symptoms of the disease and could be a risk factor for its occurrence.
However, more observational studies and clinical trials are needed.