Until now, the vast majority of adverse effects of Covid-19 vaccines have been expected and not serious. In recent days, cases of Parsonage-Turner syndrome have been reported following injections of Pfizer-bioNTech vaccine doses. What is it about ? Is the vaccine really involved?
Since the start of the campaignagainst the the National Agency for the Safety of Medicines and Health Products (ANSM) regularly publishes updates on the monitoring of against Covid-19. This is to monitor in real time the . This is called pharmacovigilance. the went live on April 5, 2022 and over the period from February 25 to March 10, 2022. He mentions a new serious but very rare potential adverse reaction to vaccines called the by Parsonage-Turner.
What is it about ?
theor amyotrophic neuralgia of the shoulder, consists of the sudden appearance of a violent shoulder. It may be followed by a decrease or loss of muscle strength, or even paralysis of the arm. It results from a of the brachial plexus, a set of located between the shoulder and the . A (Magnetic Resonance Imaging) is necessary to confirm the .
The causes of thisare misunderstood. The treatment is essentially symptomatic. It includes and possibly in the acute phase. If the damage goes as far as paralysis of the arm, rehabilitation is necessary. Patients usually recover within a few months. In 75% of them, the is complete after two years. Nevertheless, the where the are possible.
Is the vaccine involved?
Several cases (n=25) have been reported in France following the injection of a dose of vaccine against Covid-19. While nearly 110 million injections have been performed in France since the start of the campaign, the number of cases of Parsonage-Turner syndrome is extremely low. Seven cases occurred after the 1D dose, 14 after the 2and dose and 4 after the booster dose. Of the 25 cases, 9 cases are recovered or in the process of recovery, 14 are not recovered, one is recovered with sequelae and the information is not known in one case “.
Whilehave already been reported after vaccines against , were also identified after a . For the moment, the ANSM concludes that the ” role of the vaccine cannot be excluded and that these are potential signals “. She wishes ” a European review of all cases in order to be able to decide on the imputability of the vaccine. At this stage, therefore remain well above its potential drawbacks.