BREAKING NEWS! COVID-19 Latest: Study Uncovers A Variety Of Neuromuscular Disorders Associated With COVID-19
Source: COVID-19 Latest Aug 03, 2020 4 years, 3 months, 2 weeks, 4 days, 8 hours, 45 minutes ago
COVID-19 Latest: Researchers from the Neurological Institute at Cleveland Clinic-Ohio and Jacobs School of Medicine and Biomedical Sciences at University of Buffalo in a new study show that the novel coronavirus can bring on a variety of neuromuscular conditions in patients who previously had none, and that the SARS-CoV-2 coronavirus can exacerbate symptoms in patients with preexisting conditions and who are being treated with immunotherapies.
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The study findings were published in the journal: RRNMF Neuromuscular Journal.
https://journals.ku.edu/rrnmf/article/view/13816
The review study was conducted by Dr Gil I. Wolfe, MD, Irvin and Rosemary Smith Professor and Chairman of the Department of Neurology at the Jacobs School of Medicine and Biomedical Sciences at UB and president of UBMD Neurology.
Co-researchers of the study were DrTiffany Pike-Lee, MD, and Dr Yuebing Li, MD, both of the Neuromuscular Center, Department of Neurology, at the Neurological Institute at the Cleveland Clinic.
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Dr Wolfe and his colleagues reviewed every medical report or journal articles mentioning COVID-19 and neuromuscular conditions published from the start of the pandemic and running through June 18, 2020, in all a total of 547 publications.
Dr Wolfe told Thailand Medical News, "Although neuromuscular complications of COVID-19 have not received as much publicity as stroke complications, they are being increasingly reported.
Guillain-Barré syndrome, a severe life-threatening paralyzing
neuropathy that is a complication of many viral infections, has now been seen in COVID-19 patients in many countries, including the United States."
The review study indicated that since the pandemic hit, 27 cases of Guillain-Barré syndrome stemming from the virus have been reported worldwide. Three of the cases were a variant of GBS, the
Miller Fisher variant.
Guillain-Barré syndrome or GBS cases were also reported in Austria, China, France, Germany, Italy, Iran, Morocco, Spain, Switzerland, Turkey and the U.S. Italy and the U.S. had the most reported cases, with 10 and four, respectively. The mean age of the patients was 59.8; 63 percent were male. Forty-four percent of the patients or 12 had to be ventilated.
The review study showed that 16 of the patients, or 59 percent, demonstrated clinical improvement or achieved full or near full recovery, while nine, or 33.3 percent, did not show significant improvement or had a worsening clinical status. The paper noted that of the 16 patients who improved, 14 were treated with intravenous immunoglobulin. Outcomes were not reported for the remaining two. No fatalities were reported.
Dr
Wolfe added, "While we consider GBS a treatable neuropathy with slow recovery over time, it does appear that many of the COVID-19 patients are following a more refractory course," "Time will tell how they do, since the recovery phase can last a year or two."
Another two other neuromuscular disorders,
myopathy and
hyperCKemia, were reported complications of COVID-19 in the study.
Typically in myopathy, the patients' muscle fibers do not function properly, resulting in weakness, cramps, stiffness, and spasms.
The research findings noted that in a study of 214 COVID-19 patients in Wuhan, China, 10.7 percent of the patients showed evidence of hyperCKemia, skeletal muscle injury, defined as muscle pain, along with high creatine kinase levels. Of the 88 patients with severe infection, the incidence of skeletal muscle injury increased to 19.3 percent, compared to just 4.8 percent in the 126 patients with mild infections.
Interestingly patients with pre-existing neuromuscular disorders such as
myasthenia gravis (MG) tend to be more vulnerable to infections like COVID-19, and the infection often exacerbated their conditions, the researchers reported. In addition, they said, immunotherapy treatments place these patients at greater risk of infection.
The study suggests that MG patients may be at a higher risk for contracting COVID-19 and developing secondary complications.
So far, seven MG patients in the U.S. have been reported to have contracted COVID -19. Of these, six were positive for acetylcholine receptor antibody, and one was positive for muscle specific tyrosine kinase antibody. Three patients required mechanical ventilation for respiratory failure, and one required significant supplemental oxygen. The outcomes were fairly good for six of the patients, with only one patient still intubated at day 35.
The study team concluded from their review that neuromuscular patients on
immunotherapy and those with respiratory dysfunction secondary to their neuromuscular disease should be considered high risk for severe COVID -19 infection and complications. These patients should be encouraged to notify their healthcare provider immediately if there are signs suspicious for COVID -19 infection.
Dr Wolfe added, “Healthcare professionals can expect to see a good number of COVID-19 patients who develop critical illness neuropathy and myopathy, complications that can arise in patients who are severely ill in intensive care units from just about any cause. Both of these complications can prolong the amount of time patients require mechanical ventilator assistance. But it should also be note that COVID-19 patients who only suffer mild symptoms are also prone to these various neuromuscular conditions.”
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