Daily Archives: 21/04/2021

Allergic reactions to Covid vaccines

CDC report on anaphylaxis (serious allergic reaction) when two vaccines were given:

Pfizer-Biontech 2 million first doses: adverse reactions 0,2%.
21 cases of anaphylaxis occurred, 90% in women, median age 40. Onset within 13 minutes and 71% within 15 min. 14% within 30 min and 14% after 30 min. No deaths.

Moderna vaccine had 10 cases of anaphylaxis among 4 mill receiving first dose. Mostly within 15 min.
Other allergic reactions were similar in the two groups.

Reference: Journal Watch march 2021

Early MRI in back pain inappropriate

Choosing to send back pain sufferers for MRI examination may cause problems. Of a group of 400.000 with low back pain 10.000 had an early MRI. “Early” is within 6 weeks.
The results of this? Likelihood of operation was 13 times higher in the year after, they were more likely to be treated with opioid drugs and final pain scores were worse. The cost of this was also significantly higher. It therefore seems wise to follow the rules…
From Journal Watch feb 2021