Evidence map›Paper›PMID 37717038›Full record

ArticleAllergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology2023

Immunoglobulin utilization in Canada: a comparative analysis of provincial guidelines and a scoping review of the literature.

Megan Harmon, Kiarash Riazi, Jeannie Callum, Donald M Arnold, Rebecca Barty, Davinder Sidhu, Nancy M Heddle, Laurie MacLeod, Na Li

Open access · goldAbstract readScoping Review
In one paragraph

Article in Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 12% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Infusion parameters, safety, and practical guidance for the manual administration of subcutaneous immunoglobulin 20% (Ig20Gly).Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology · 2024
    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

9 authors at 4 institutions in 1 country.

Megan Harmon *Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, CWPH 5E37, 3280 Hospital Dr NW, Calgary, AB, T2N 4Z6, Canada.
Kiarash Riazi *Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, CWPH 5E37, 3280 Hospital Dr NW, Calgary, AB, T2N 4Z6, Canada.
Jeannie CallumDepartment of Pathology and Molecular Medicine, Kingston Health Sciences Centre and Queen's University, Kingston, ON, Canada.
Donald M ArnoldMichael G. DeGroote Centre for Transfusion Research, McMaster University, Hamilton, ON, Canada.
Rebecca BartyMichael G. DeGroote Centre for Transfusion Research, McMaster University, Hamilton, ON, Canada.
Davinder SidhuCumming School of Medicine, University of Calgary, Calgary, AB, Canada.
Nancy M HeddleMichael G. DeGroote Centre for Transfusion Research, McMaster University, Hamilton, ON, Canada.
Laurie MacLeodOntario Regional Blood Coordinating Network, Hamilton, ON, Canada.
Na LiDepartment of Community Health Sciences, Cumming School of Medicine, University of Calgary, CWPH 5E37, 3280 Hospital Dr NW, Calgary, AB, T2N 4Z6, Canada. Na.Li@ucalgary.ca.ORCID http://orcid.org/0000-0002-4803-0984
University of Calgary · CACanadian Blood Services · CAOntario Stroke Network · CASunnybrook Health Science Centre · CA

Funding

Calgary Foundation Medical Sciences Doctoral ScholarshipCanadian Blood Services Kenneth J. Fyke ProgramMitacs IT28474Natural Sciences and Engineering Research Council of Canada RGPIN-2022-02999
6 · The paper itself

Abstract

backgroundCanada has high immunoglobulin (IG) product utilization, raising concerns about appropriate utilization, cost and risk of shortages. Currently, there is no national set of standardized IG guidelines, and considerable variations exist among the existing provincial guidelines. The aims of this study were: (1) to compare the existing Canadian provincial guidelines on the use of IG products to identify their consistencies and differences and (2) to examine the existing research in Canada on IG supply and utilization following the establishment of IG guidelines to understand the scope of research and pinpoint the gaps.

methodsA comparative analysis accounted for the differences across provincial IG guidelines. We highlighted similarities and differences in recommendations for medical conditions. A scoping review of citations from MEDLINE, PubMed, Scopus and Embase databases was conducted for studies published from January 01, 2014, to April 12, 2023.

resultsWhile provincial guidelines represented a considerable overlap in the medical conditions delineated and relatively uniform dose calculations, numerous differences were observed, including in recommendation categories, provision of pediatric dosing, and divergent recommendations for identical conditions based on patient demographics. The scoping review identified 29 studies that focused on the use of IG in Canada. The themes of the studies included: IVIG utilization and audits, the switch from IVIG to SCIG, patient satisfaction with IVIG and/or SCIG, the economic impact of self-administered SCIG versus clinically administered IVIG therapy, and the efficacy and cost-effectiveness of alternative medications to IG treatment.

conclusionThe differences in guidelines across provinces and the factors influencing IVIG/SCIG use, patient satisfaction, and cost savings are highlighted. Future research may focus on clarifying costs and comparative effectiveness, exploring factors influencing guideline adherence, and evaluating the impact of updated guidelines on IG use and patient outcomes.

Indexed as

Drug UtilizationImmunoglobulin replacement therapyImmunoglobulins, IntravenousIVIGPractice GuidelinesSCIGTreatment switchUtilization trend

Identifiers

PMID37717038
PMCPMC10504792
OpenAlexW4386798869

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.