Thursday, June 08, 2023
Risk Factors Associated With Post−COVID-19 Condition
A Systematic Review and Meta-analysis
TINY benefit from vaccination -- OR 0.57. Long Covid was
basically just as common in vaccinated and unvaccinated people
Vasiliki Tsampasian et al.
Question Which individuals are at risk of developing post−COVID-19 condition (PCC)?
Findings This systematic review and meta-analysis of 41 studies including 860 783 patients found that female sex, older age, higher body mass index, smoking, preexisting comorbidities, and previous hospitalization or ICU admission were risk factors significantly associated with developing PCC, and that SARS-CoV-2 vaccination with 2 doses was associated with lower risk of PCC.
Meanings The findings of this systematic review and meta-analysis provide a profile of the characteristics associated with increased risk of developing PCC and suggest that vaccination may be protective against PCC.
Abstract
Importance Post−COVID-19 condition (PCC) is a complex heterogeneous disorder that has affected the lives of millions of people globally. Identification of potential risk factors to better understand who is at risk of developing PCC is important because it would allow for early and appropriate clinical support.
Objective To evaluate the demographic characteristics and comorbidities that have been found to be associated with an increased risk of developing PCC.
Data sources Medline and Embase databases were systematically searched from inception to December 5, 2022.
Study Selection The meta-analysis included all published studies that investigated the risk factors and/or predictors of PCC in adult (≥18 years) patients.
Data Extraction and Synthesis Odds ratios (ORs) for each risk factor were pooled from the selected studies. For each potential risk factor, the random-effects model was used to compare the risk of developing PCC between individuals with and without the risk factor. Data analyses were performed from December 5, 2022, to February 10, 2023.
Main Outcomes and Measures The risk factors for PCC included patient age; sex; body mass index, calculated as weight in kilograms divided by height in meters squared; smoking status; comorbidities, including anxiety and/or depression, asthma, chronic kidney disease, chronic obstructive pulmonary disease, diabetes, immunosuppression, and ischemic heart disease; previous hospitalization or ICU (intensive care unit) admission with COVID-19; and previous vaccination against COVID-19.
Results The initial search yielded 5334 records of which 255 articles underwent full-text evaluation, which identified 41 articles and a total of 860 783 patients that were included. The findings of the meta-analysis showed that female sex (OR, 1.56; 95% CI, 1.41-1.73), age (OR, 1.21; 95% CI, 1.11-1.33), high BMI (OR, 1.15; 95% CI, 1.08-1.23), and smoking (OR, 1.10; 95% CI, 1.07-1.13) were associated with an increased risk of developing PCC. In addition, the presence of comorbidities and previous hospitalization or ICU admission were found to be associated with high risk of PCC (OR, 2.48; 95% CI, 1.97-3.13 and OR, 2.37; 95% CI, 2.18-2.56, respectively). Patients who had been vaccinated against COVID-19 with 2 doses had a significantly lower risk of developing PCC compared with patients who were not vaccinated (OR, 0.57; 95% CI, 0.43-0.76).
Conclusions and Relevance This systematic review and meta-analysis demonstrated that certain demographic characteristics (eg, age and sex), comorbidities, and severe COVID-19 were associated with an increased risk of PCC, whereas vaccination had a protective role against developing PCC sequelae. These findings may enable a better understanding of who may develop PCC and provide additional evidence for the benefits of vaccination.
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2802877
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Some Sudden Deaths Caused by COVID-19 Vaccines, Autopsies Confirm
Some sudden deaths were caused by COVID-19 vaccines, autopsies have confirmed.
Eight people who died suddenly after receiving a messenger RNA (mRNA) COVID-19 vaccine died due to a type of vaccine-induced heart inflammation called myocarditis, South Korean authorities said after reviewing the autopsies.
“Vaccine-related myocarditis was the only possible cause of death,” Dr. Kye Hun Kim of the Chonnam National University Hospital and other South Korean researchers said.
All of the sudden cardiac deaths (SCD) occurred in people aged 45 or younger, including a 33-year-old man who died just one day after receiving a second dose of Moderna’s vaccine and a 30-year-old woman who died three days after receiving a first dose of Pfizer’s shot.
Myocarditis wasn’t suspected as a clinical diagnosis or cause of death before the autopsies, researchers said.
Thirteen other deaths were recorded among those who experienced myocarditis after COVID-19 vaccination but no autopsy results were detailed. Some of those who died had received AstraZeneca’s COVID-19 vaccine.
The results show the need for “careful monitoring or warning of SCD as a potentially fatal complication of COVID-19 vaccination, especially in individuals who are ages under 45 years with mRNA vaccination,” according to the researchers, who reported the findings in a study published by the European Heart Journal on June 2.
The study was funded by the South Korean government.
Dr. Andrew Bostom, a retired professor of medicine in the United States who wasn’t involved in the research, said the results emphasize why mandating and promoting vaccines for younger people was wrong.
“These are people who ostensibly did not need the vaccine,” Bostom told The Epoch Times after reviewing the paper. “That’s what adds insult to injury.”
The overall occurrence of myocarditis after COVID-19 vaccination was rare, according to the study, though one of its limitations is that the true number could be higher.
Out of 44.2 million people who received at least one dose of the Pfizer, Moderna, Johnson & Johnson, or AstraZeneca vaccines between Feb. 26, 2021, to Dec. 31, 2021, 1,533 cases of suspected myocarditis were reported to the Korea Disease Control and Prevention Agency. Out of those, an expert adjudication committee confirmed 480 cases of vaccine-induced myocarditis.
The cases primarily happened in males and people under 40. All but 18 were caused by an mRNA vaccine.
The overall rate was one case per 100,000 vaccinated persons. The highest rates were in 12- to 17-year-olds, with 3.7 cases per 100,000 and 5.2 cases per 100,000 males.
The numbers weren’t broken down by vaccine type and age, meaning the rates were diluted because they included non-mRNA vaccine recipients. Excluding non-mRNA shots has led to the estimation of higher rates in other places, such as 75.9 cases per one million second Pfizer doses in 16- and 17-year-old American males.
Both those numbers and the Korean figures are prone to underreporting. In Korea, authorities automatically excluded any cases involving myocarditis developed 43 days or more after vaccination as well as any cases that included a positive COVID-19 test, despite some experts asserting there’s stronger evidence for vaccine-caused myocarditis than COVID-19-induced heart inflammation.
“We have kids showing up, young adults showing up with chest pain, and most of them end up in the hospital for 24, 48, 72 hours and they go home. But are we missing people that are dying before they get to the hospital?” Dr. Anish Koka, an American cardiologist, told The Epoch Times after reviewing the study.
“Now, just because we live in the real world and we’re not seeing avalanches of kids dying, we know that it’s a rare signal, but how rare is it? Is it happening?” he added. “The new study clearly shows that it’s happening. No doubt we’ve had deaths happen in the U.S. post-vaccine that have just not been attributed correctly.”
Myocarditis is a known side effect of the mRNA COVID-19 vaccines and can cause death, according to previous research and medical examiners. Symptoms included chest pain, trouble sleeping, and fever. While many people who experience myocarditis after vaccination are discharged from the hospital within a day or two, they can still suffer from long-term problems.
The new study classified 1 in 5 vaccine-induced myocarditis cases as severe. Those cases involved one or more of the following: intensive care unit admission, fulminant myocarditis, usage of extracorporeal membrane oxygenation, heart transplantation, and death.
“A fifth of the cases were determined to be serious,” Bostom said. “It’s disturbing.”
Reporting System
South Korea’s government established a reporting system for all adverse events following vaccination before COVID-19 vaccines were rolled out, tying it to a national compensation system that pays for medical expenses related to the adverse events.
The system even provides compensation to people who cannot establish causality to a vaccine but provide evidence such as temporal association, or the event happening soon after vaccination. Authorities also grant money to people who suffer mild effects.
More than 20,000 people were compensated through the program as of August 2022.
In contrast, the system in the United States has compensated just four people as of May 1, and rejected a number whose doctors diagnosed them with vaccine injuries.
Both countries require health care workers to report certain events after vaccination, such as myocarditis, though not all cases have been reported, at least in the United States.
U.S. officials have reviewed autopsies done on people who died after receiving COVID-19 vaccines but have refused to release them. In an update in February, officials said they would provide some information from the autopsy reports but to date have not done so.
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Also see my other blogs. Main ones below:
http://edwatch.blogspot.com (EDUCATION WATCH)
http://antigreen.blogspot.com (GREENIE WATCH)
http://pcwatch.blogspot.com (POLITICAL CORRECTNESS WATCH)
http://australian-politics.blogspot.com (AUSTRALIAN POLITICS)
http://snorphty.blogspot.com (TONGUE-TIED)
https://immigwatch.blogspot.com (IMMIGRATION WATCH)
https://awesternheart.blogspot.com (THE PSYCHOLOGIST)
http://jonjayray.com/blogall.html More blogs
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