Evidence map›Paper›PMID 35081484›Full record

ArticleThrombosis research2022

Four cases of acquired hemophilia A following immunization with mRNA BNT162b2 SARS-CoV-2 vaccine.

Maria Cristina Leone, Simone Canovi, Annalisa Pilia, Annamaria Casali, Luca Depietri, Tommaso Fasano, Rossana Colla, Angelo Ghirarduzzi

Open access · greenAbstract readLetter
In one paragraph

Article in Thrombosis research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
5.4field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Pooled it
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  4. The role of emicizumab in acquired hemophilia A.Hematology. American Society of Hematology. Education Program · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Maria Cristina LeoneMedicina Cardiovascolare e Centro Emostasi e Trombosi, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Simone CanoviLaboratorio Analisi Chimico-Cliniche e di Endocrinologia, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy. Electronic address: Simone.Canovi@ausl.re.it.
Annalisa PiliaLaboratorio Analisi Chimico-Cliniche e di Endocrinologia, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Annamaria CasaliMedicina Cardiovascolare e Centro Emostasi e Trombosi, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Luca DepietriMedicina Cardiovascolare e Centro Emostasi e Trombosi, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Tommaso FasanoLaboratorio Analisi Chimico-Cliniche e di Endocrinologia, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Rossana CollaLaboratorio Analisi Chimico-Cliniche e di Endocrinologia, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Angelo GhirarduzziMedicina Cardiovascolare e Centro Emostasi e Trombosi, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy.
Istituti di Ricovero e Cura a Carattere Scientifico · ITAzienda Sanitaria Unità Locale di Reggio Emilia · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Acquired hemophilia A (AHA) is a rare autoimmune disease caused by neutralizing autoantibodies against coagulation Factor VIII. Immunomodulatory effects of SARS-CoV-2 vaccination are still poorly understood, with reports of immune-mediated conditions developing after immunization. In the province of Reggio Emilia, Northern Italy, we observed four cases of AHA following SARS-CoV-2 immunization with mRNA BNT162b2 vaccine (produced by Pfizer-BioNTech) during the first eight months from the beginning of SARS-CoV-2 vaccination campaign. During this time frame, 235,597 people received at least one dose of BNT162b2 vaccine. The total population of Reggio Emilia province is 526,349. The unusual observation of four cases of AHA in our province could be of interest and could sensitize healthcare personnel toward a possible complication of SARS-Cov-2 immunization. Nonetheless, vaccination benefits exceed potential side effects and play a central role in individual and public health to effectively protect people from COVID-19 and to stop the pandemic.

Indexed as

BNT162 VaccineCOVID-19Hemophilia ACOVID-19 VaccinesHumansRNA, MessengerSARS-CoV-2VaccinationBNT162 VaccineCOVID-19 VaccinesRNA, MessengerAcquired hemophilia ACOVID-19Factor VIIISARS-CoV-2Vaccination

Identifiers

PMID35081484
PMCPMC8770249
OpenAlexW4205869744

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.