Heart Inflammation After MRNA COVID Shots Proven By PET Scans

The study group was chosen among the PET scans of 700 subjects (mean age, 56.8 years ± 13.7; 344 female, 356 male) who had FDG (fluorine 18 fluorodeoxyglucose) during comprehensive medical check-ups or to evaluate cancers.

All received COVID-19 mRNA shots and didn’t have symptoms of myocarditis.

The study subjects got COVID shots from February 17, 2021, to March 31, 2022. COVID-19 vaccination in Japan started on February 17, 2021.

Of the vaccinated patients, 77.6% received BNT162b2 mRNA (Pfizer-BioNTech), while 21.0% received mRNA-1273 (Moderna).

Subjects with unknown vaccination dates or ChAdOx1 nCoV-19 (Astra Zeneca) and miscellaneous vaccines were excluded because of their small sample sizes.

Unvaccinated control group

The control group had 303 nonvaccinated patients (mean age, 52.9 years ± 14.9 [SD]; 157 female, 146 male) who had a PET scan and received the FDG for conditions unrelated to myocarditis from November 1, 2020, to February 16, 2021.

Adequate sample sizes

The study and control group sizes exceeded the target of 280 nonvaccinated and 644 vaccinated, which is necessary to make a meaningful statistical outcome.

Study Exclusions

Patients with pre-existing diseases or conditions that could cause a higher FDG uptake other than myocarditis were excluded.

Those excluded were those with

Blood diseases, such as lymphoma and leukemia
Cardiac sarcoidosis
Thyroid disease
Those who had undergone cardiac surgery and chemotherapy drugs that can cause cardiac dysfunction
Chest irradiation within the past six months
Patients currently undergoing anti-inflammatory therapy.

Patients who had a history of infection with SARS-CoV-2 or who had received a third dose were also excluded.

These exclusions are essential to ensure the high FDG uptake, which means myocarditis is only due to the COVID-19 mRNA shots.

Results

The asymptomatic, vaccinated subjects showed higher cardiac FDG uptake than the control group, regardless of age, sex, or type of mRNA shots received.

The FDG uptake among the vaccinated was higher from one to 180 days after their second dose.

The images below compare the unvaccinated subjects A and B with the vaccinated C and D.

The red arrow points to the lymph nodes in the armpits on the same side of the injections. The black and white and colored images at the bottom are the hearts. The darker black, red, and yellow colors represent the FDG uptake.

The other black areas are the kidneys and the bladder, where the body excretes the FDG.

Notice the higher FDG uptake in the hearts of the vaccinated.

Heart Inflammation After Mrna Covid Shots Proven By Pet Scans — Source: Assessment Of Myocardial ¹⁸F-Fdg Uptake At Pet/Ct In Asymptomatic Sars-Cov-2–Vaccinated And Nonvaccinated Patients

In 16 patients with more than one PET/CT study available, myocardial and axillary FDG uptake was higher on PET scans obtained after vaccination than before the shots.

This means that the 16 patients were in the control and study group. This rules out the possibility that FDG uptake differs from person to person.

What does a higher FDG uptake mean?

A PET scan using FDG has been routinely used before to detect heart inflammation or myocarditis from different causes.

Among them are viral myocarditis, sarcoidosis of the heart, and cancer-therapy-related cardiac dysfunction.

It is as good as late gadolinium enhancement or T2 hyperintensity on cardiac MRI scans in detecting myocarditis.

Authors Conclusion

The authors stopped short of mentioning that myocarditis was seen among individuals who received the mRNA shots.

In conclusion, in a set of patients who underwent PET/CT for indications other than myocardial inflammation, those who had received a SARS-CoV-2 vaccine showed increased myocardial fluorine 18 (¹⁸F) fluorodeoxyglucose (FDG) uptake on images up to 180 days after their second vaccination compared with patients imaged before SARS-CoV-2 vaccination was available.

Vaccinated patients showed higher myocardial ¹⁸F-FDG uptake on PET/CT scans compared with nonvaccinated patients, regardless of sex, age, or type of mRNA vaccine received.

However, since they have excluded those with conditions that may cause a higher FDG uptake, like blood cancers, recent chemotherapy, those with viral myocarditis, and others, it is safe to assume that the increased FDG uptake in this research is due to myocarditis resulting from the mRNA shots.

PET scans consistent with Previous MRI Studies that detected myocarditis

The presence of cardiac inflammation after mRNA shots in this study is consistent with the findings of another group of radiologists who used MRI to detect mRNA shot-induced myocarditis.[2]

I discussed that study in How to Screen for Sudden Death

How did the vaccinated get myocarditis from the mRNA jabs?

Previous articles provide an answer to that. The SARS-CoV-2 RNA is present in the heart for up to two years.

Being a foreign substance, the body has to get rid of it by mounting an immune response, leading to an inflammation of the heart muscle or myocarditis.

Why are those with mRNA-induced myocarditis in this study asymptomatic? Why are they still alive?

The study group’s age range is from 43 to 70. While some may be active, they probably were not in competitive sports, where we can see players dropping dead in the middle of the field.

Myocarditis is more common than Commotio Cardis

Mild myocarditis does not kill. If detected, the patients are told to take it easy.

However, if the asymptomatic engages in sports, the demand for cardiac activity becomes higher such that the heart may fail or suffer arrhythmias.

In my previous article, Complete Heart Block after the Pfizer COVID shot, the lucky patient survived because he was brought to a top cardiology center. Many others don’t survive.

The good thing in this study is that after 180 days, there is less FDG uptake in the heart, which means the myocarditis is gone. But they may not be out of the woods yet.

Scars can result after the myocarditis and decrease the heart’s pumping action. I discussed the studies that said so in — What happens to the heart after one year of COVID jab myocarditis?

Take Away Message

The lesson here is not to have any more COVID-19 booster shots. Subsequent booster shots can make the myocarditis come back.

Worsening myocarditis can make someone part of the statistics on excess deaths.

Any solutions?

I’m not vaccinated, but there is a possibility that the spike protein is present in my system because the spike protein can be left behind after a COVID-19 infection. That is why I eat natto, which contains nattokinase, every day.

Here are other potential solutions to get rid of the spike proteins.

Truth heals. Lies kill. Don’t Get Sick!

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References:

Takehiro Nakahara, Yu Iwabuchi, Raita Miyazawa, Kai Tonda, Tohru Shiga, H. William Strauss, Charalambos Antoniades, Jagat Narula, and Masahiro Jinzaki. Assessment of Myocardial ¹⁸F-FDG Uptake at PET/CT in Asymptomatic SARS-CoV-2–vaccinated and Nonvaccinated Patients. Radiology 2023 308:3
Fronza M, Thavendiranathan P, Chan V, Karur GR, Udell JA, Wald RM, Hong R, Hanneman K. Myocardial Injury Pattern at MRI in COVID-19 Vaccine-Associated Myocarditis. Radiology. 2022 Sep;304(3):553-562. doi: 10.1148/radiol.212559. Epub 2022 Feb 15. PMID: 35166587; PMCID: PMC8856022.

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