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Reviewing Medical Histories Reveals No Increase in MS Relapse Risk After Surgery, Anesthesia

July 8, 2019

Researchers at the University of Michigan reviewed the medical charts of 281 people with MS who underwent surgeries, and found no statistically significant increase in the risk of MS relapse within 90 days after the procedures. This adds to other evidence suggesting that exposure to surgery or anesthesia does not increase the risk of an MS relapse, but studies also suggest that infection or fever – if they occur because of surgery – may aggravate symptoms of MS.

Limitations to this study include the fact that relapses may have occurred later than 90 days, and that many participants were older adults (and relapses can decrease in frequency with increasing age). Further study is necessary to confirm these findings.  

MS is generally not a reason to avoid having surgery, and the risks of general anesthesia for persons with MS are about the same as those for other people. The exceptions to this primarily involve the small percentage with severe, advanced disease, who may be seriously weakened by MS or have respiratory problems that would put them at greater risk for anesthetic complications.

Read more about this study from the University of Michigan

Read a scientific summary of this study

Read more about Anesthesia and Surgery in people with MS
 

About Multiple Sclerosis

Multiple sclerosis is an unpredictable, often disabling disease of the central nervous system that disrupts the flow of information within the brain, and between the brain and body. Symptoms range from numbness and tingling to blindness and paralysis. The progress, severity and specific symptoms of MS in any one person cannot yet be predicted, but advances in research and treatment are leading to better understanding and moving us closer to a world free of MS. Most people with MS are diagnosed between the ages of 20 and 50, with at least two to three times more women than men being diagnosed with the disease. MS affects more than 2.3 million people worldwide.

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