Evidence map›Paper›PMID 34208130›Full record

ArticleBiomedicines2021

Low Preconception Complement Levels Are Associated with Adverse Pregnancy Outcomes in a Multicenter Study of 260 Pregnancies in 197 Women with Antiphospholipid Syndrome or Carriers of Antiphospholipid Antibodies.

Cecilia Nalli, Daniele Lini, Laura Andreoli, Francesca Crisafulli, Micaela Fredi, Maria Grazia Lazzaroni, Viktoria Bitsadze, Antonia Calligaro, Valentina Canti, Roberto Caporali and 23 more

Open access · goldAbstract read
In one paragraph

Article in Biomedicines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
4.4field-weighted citation impact, top 5% 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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Complement System Inhibitors in Nephrology: An Update-Narrative Review.International journal of molecular sciences · 2025
    Review
  5. [Predictors of adverse pregnancy outcomes in patients with systemic lupus erythematosus].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2025
    Article
  6. Reproductive Health in Scleroderma, Vasculitis, and Sjögren Syndrome.Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases · 2024
    Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. The pathogenesis of obstetric APS: a 2023 update.Clinical immunology (Orlando, Fla.) · 2023
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. An Update on Antiphospholipid Syndrome.Current rheumatology reports · 2022
    Review
  17. Review
  18. Review
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

33 authors at 13 institutions in 2 countries.

Cecilia NalliRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
Daniele LiniRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
Laura AndreoliRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.ORCID 0000-0002-9107-3218
Francesca CrisafulliRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.ORCID 0000-0003-0319-1538
Micaela FrediRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
Maria Grazia LazzaroniRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
Viktoria BitsadzeDepartment of Obstetrics and Gynecology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow 119992, Russia.
Antonia CalligaroRheumatology Unit, Department of Medicine, University of Padua, 35100 Padua, Italy.
Valentina CantiDivision of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, 20121 Milan, Italy.
Roberto CaporaliDivision of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, 20122 Milan, Italy.
Francesco CarubbiRheumatology Unit, Department of Biotechnological and Applied Clinical Science, School of Medicine, University of L'Aquila, 67100 L'Aquila, Italy.ORCID 0000-0003-1958-5136
Cecilia Beatrice ChighizolaDepartment of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milano, Italy.ORCID 0000-0002-3787-9632
Paola ConigliaroRheumatology, Allergology and Clinical Immunology, Department of "Medicina dei Sistemi", University of Rome Tor Vergata, 00133 Rome, Italy.
Fabrizio ContiLupus Clinic, Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza Università di Roma, 00185 Rome, Italy.
Caterina De CarolisPolymedical Center for Prevention of Recurrent Spontaneous Abortion, 00168 Rome, Italy.
Teresa Del RossRheumatology Unit, Department of Medicine, University of Padua, 35100 Padua, Italy.
Maria FavaroRheumatology Unit, Department of Medicine, University of Padua, 35100 Padua, Italy.
Maria GerosaDivision of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, 20122 Milan, Italy.ORCID 0000-0001-5241-5847
Annamaria IulianoRheumatology Unit, Azienda Ospedaliera San Camillo-Forlanini, 00152 Rome, Italy.
Jamilya KhizroevaDepartment of Obstetrics and Gynecology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow 119992, Russia.ORCID 0000-0002-0725-9686
Alexander MakatsariyaDepartment of Obstetrics and Gynecology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow 119992, Russia.
Pier Luigi MeroniIstituto Auxologico Italiano, 20122 Milan, Italy.ORCID 0000-0002-3394-1451
Marta MoscaDepartment of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy.
Melissa PadovanRheumatology Unit, Department of Medical Sciences, University of Ferrara and Azienda Ospedaliero-Universitaria S. Anna, 44124 Ferrara, Italy.
Roberto PerriconeRheumatology, Allergology and Clinical Immunology, Department of "Medicina dei Sistemi", University of Rome Tor Vergata, 00133 Rome, Italy.
Patrizia Rovere-QueriniDivision of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, 20121 Milan, Italy.
Gian Domenico SebastianiRheumatology Unit, Azienda Ospedaliera San Camillo-Forlanini, 00152 Rome, Italy.ORCID 0000-0003-2969-6649
Chiara TaniDepartment of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy.
Marta TonelloBSC, Rheumatology Unit, Department of Medicine, University of Padua, 35100 Padua, Italy.
Simona TrugliaLupus Clinic, Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza Università di Roma, 00185 Rome, Italy.
Dina ZucchiDepartment of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy.
Franco FranceschiniRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
Angela TincaniRheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, 25123 Brescia, Italy.
University of Brescia · ITSechenov University · RUUniversity of Padua · ITUniversity of Milan · ITUniversity of Pisa · ITAzienda Ospedaliera San Camillo-Forlanini · ITSapienza University of Rome · ITUniversity of Rome Tor Vergata · ITVita-Salute San Raffaele University · ITIRCCS Istituto Auxologico Italiano · ITNational Centre for Disease Prevention and Control · ITUniversity of Ferrara · ITUniversity of L'Aquila · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Antiphospholipid antibodies (aPL) can induce fetal loss in experimental animal models. Human studies did find hypocomplementemia associated with pregnancy complications in patients with antiphospholipid syndrome (APS), but these results are not unanimously confirmed. To investigate if the detection of low C3/C4 could be considered a risk factor for adverse pregnancy outcomes (APO) in APS and aPL carriers' pregnancies we performed a multicenter study including 503 pregnancies from 11 Italian and 1 Russian centers. Data in women with APS and asymptomatic carriers with persistently positive aPL and preconception complement levels were available for 260 pregnancies. In pregnancies with low preconception C3/C4, a significantly higher prevalence of pregnancy losses was observed (

Indexed as

antiphospholipid antibodiesantiphospholipid syndromecomplementgestational outcomepregnancy

Identifiers

PMID34208130
PMCPMC8230784
OpenAlexW3168659872

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.