Evidence map›Paper›PMID 35192687›Full record

SynthesisBlood advances2022

Laboratory assays of VWF activity and use of desmopressin trials in the diagnosis of VWD: a systematic review and meta-analysis.

Mohamad A Kalot, Nedaa Husainat, Omar Abughanimeh, Osama Diab, Abdallah El Alayli, Sammy Tayiem, Bader Madoukh, Ahmad Dimassi, Aref Qureini, Barbara Ameer and 13 more

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Blood advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.6field-weighted citation impact, top 16% 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

10 citing papers in PubMed, 10 citations in OpenAlex.

  1. Seventh Åland Island Meeting on von Willebrand Disease.Haemophilia : the official journal of the World Federation of Hemophilia · 2026
    Article
  2. von Willebrand disease: an illustrated review.Research and practice in thrombosis and haemostasis · 2026
    Review
  3. Review
  4. Review
  5. Article
  6. Review
  7. Article
  8. Review
  9. Review
  10. Diagnostic Performance of Von Willebrand Activity Versus Ristocetin Cofactor Tests in the Primary Evaluation of Von Willebrand Disease in Colombia.Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis
    Article
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

23 authors at 18 institutions in 6 countries.

Mohamad A KalotDepartment of Internal Medicine, State University of New York at Buffalo, Buffalo, NY.ORCID 0000-0002-6581-4561
Nedaa HusainatDepartment of Internal Medicine, St. Mary's Hospital, St. Louis, MO.
Omar AbughanimehDivision of Oncology and Hematology, University of Nebraska Medical Center-Fred & Pamela Buffett Cancer Center, Omaha, NE.ORCID 0000-0002-4189-5678
Osama DiabDepartment of Hematology.
Abdallah El AlayliDepartment of Nephrology and Hypertension, Outcomes and Implementation Research Unit, and.
Sammy TayiemDepartment of Internal Medicine, University of Kansas Medical Center, Kansas City, KS.
Bader MadoukhDepartment of Internal Medicine, State University of New York-Upstate Medical University, Syracuse, NY.
Ahmad DimassiDepartment of Internal Medicine, Lebanese American University, Achrafiye, Beirut, Lebanon.ORCID 0000-0002-7671-9965
Aref QureiniDepartment of Internal Medicine, University of Kansas Medical Center, Kansas City, KS.
Barbara AmeerRutgers-Robert Wood Johnson Medical School, New Brunswick, NJ.ORCID 0000-0002-8740-9989
Jeroen EikenboomDivision of Thrombosis and Hemostasis, Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands.
Nicolas GiraudAssociation française des hémophiles (AFH), Paris, France.
Sandra HaberichterVersiti-Blood Center of Wisconsin, Milwaukee, WI.
Vicky Jacobs-PrattInfinity Way, Auburn, ME.
Barbara A KonkleDivision of Hematology, University of Washington, Seattle, WA.ORCID 0000-0002-3959-8797
Simon McRaeRoyal Adelaide Hospital, Adelaide, Australia.
Robert MontgomeryInfinity Way, Auburn, ME.
James S O'DonnellRoyal College of Surgeons in Ireland, Irish Centre for Vascular Biology, Dublin 2, Ireland.ORCID 0000-0003-0309-3313
Romina Brignardello-PetersenDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada.ORCID 0000-0002-6010-9900
Veronica FloodDivision of Hematology/Oncology, Department of Pediatrics, Medical College of Wisconsin, Wauwatosa, WI.
Nathan T ConnellBrigham and Women's Hospital, Harvard Medical School, Boston, MA; and.ORCID 0000-0003-4100-7826
Paula JamesDepartment of Medicine, Queen's University, Kingston ON, Canada.ORCID 0000-0003-4649-9014
Reem A MustafaDepartment of Nephrology and Hypertension, Outcomes and Implementation Research Unit, and.ORCID 0000-0002-2091-0875
Hypertension Institute · USMedical College of Wisconsin · USUniversity of Kansas Medical Center · USAuburn University · USBrigham and Women's Hospital · USImpact · CALebanese American University · LBLeiden University Medical Center · NLQueen's University · CARoyal Adelaide Hospital · AURoyal College of Surgeons in Ireland · IERutgers, The State University of New Jersey · USSt. Mary's Hospital · USSUNY Upstate Medical University · USUniversity at Buffalo, State University of New York · USUniversity of Nebraska Medical Center · USUniversity of Washington · USVersiti Blood Center of Wisconsin · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

von Willebrand Disease (VWD) is associated with significant morbidity because of excessive bleeding. Early diagnosis and treatment are important to prevent and treat these symptoms. We systematically reviewed the accuracy of any von Willebrand factor (VWF) activity assay in the diagnosis and classification of patients for VWD. We searched Cochrane Central, MEDLINE, and EMBASE for eligible studies. The risk of bias was assessed using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS)-2 and the certainty of evidence using the GRADE framework. We pooled estimates of sensitivity and specificity. The review included 77 studies that evaluated the use of newer tests of VWF platelet binding activity (VWF:GPIbR, VWF:GPIbM) and VWF:RCo for the diagnosis of VWD (13 studies), VWF propeptide to VWF:Ag ratio, and desmopressin trial for the diagnosis of type 1C VWD (5 studies), VWF multimer analysis and VWF:CB/VWF:Ag ratio for the classification of type 2 VWD (11 studies), genetic testing and ristocetin-induced platelet aggregation to diagnose type 2B VWD (14 studies), genetic testing and FVIII:VWF binding to diagnose type 2N VWD (17 studies). Based on available diagnostic test accuracy, there appear to be comparable test accuracy results between newer tests of platelet binding activity of VWF function and VWF:RCo. The findings of these reviews support VWF multimer analysis or VWF:CB/VWF:Ag to diagnose type 2 VWD. The desmopressin trial test with 1- and 4-hour postinfusion blood work is the test of choice to confirm increased VWF clearance in patients with suspected VWD type 1C. Additionally, genetic testing is most useful in diagnosing type 2B VWD and has a role in the diagnostic algorithm of suspected type 2N VWD.

Indexed as

von Willebrand Diseasesvon Willebrand Disease, Type 2Blood Coagulation TestsDeamino Arginine VasopressinHumansvon Willebrand FactorDeamino Arginine Vasopressinvon Willebrand Factor

Identifiers

PMID35192687
PMCPMC9631556
OpenAlexW4213458684

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.