Evidence map›Paper›PMID 39920886›Full record

ReviewJournal of neuroimaging : official journal of the American Society of Neuroimaging

Technical Considerations in the TCD Evaluation of Cerebral Circulatory Arrest in Death by Neurological Criteria.

Alexandra S Reynolds, Jimmy Suh, Ahmedyar Hasan, Parth Upadhyaya, Venkatakrishna Rajajee, Mohammad I Hirzallah, David M Greer, Aarti Sarwal, American Society of Neuroimaging Brain Death Task force

Abstract readReview
In one paragraph

Review in Journal of neuroimaging : official journal of the American Society of Neuroimaging. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. 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.

Alexandra S ReynoldsIcahn School of Medicine of Mount Sinai, New York, New York, USA.ORCID https://orcid.org/0000-0002-6364-6250
Jimmy SuhMedical University of South Carolina, Charleston, South Carolina, USA.
Ahmedyar HasanUniversity of Minnesota, Minneapolis, Minnesota, USA.ORCID https://orcid.org/0000-0001-6182-3551
Parth UpadhyayaUT Southwestern Medical Center, Dallas, Texas, USA.
Venkatakrishna RajajeeBaylor College of Medicine, Houston, Texas, USA.
Mohammad I HirzallahUniversity of Michigan, Ann Arbor, Michigan, USA.
David M GreerBoston University, Boston, Massachusetts, USA.
Aarti SarwalVirginia Commonwealth University, Richmond, Virginia, USA.
American Society of Neuroimaging Brain Death Task force

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeAncillary testing is essential for diagnosing brain death/death by neurologic criteria (BD/DNC) when clinical determination (neurologic exam and apnea testing) cannot be fully or safely performed. Transcranial Doppler ultrasound (TCD) has been recommended as an ancillary test; however, the technical descriptions have been heterogeneous. We aimed to consolidate the technical considerations related to the use of TCD as an ancillary test in the evaluation of BD/DNC.

methodsWe performed a scoping review of the available literature from inception to December 2024. Articles describing TCD as an ancillary test for BD/DNC were included using appropriate Medical Subject Headings terms. The focus was on technical details and clinimetric properties of TCD (e.g., signal quality, frequency, gate, probe location, etc.). Technical categories were curated as full-text reviews were completed.

resultsWe reviewed 181 articles to extract technical descriptions of TCD under several categories. Image acquisition was divided into machine-related factors (59 studies, four questions), exam-related aspects (82 studies, 13 questions), and patient anatomical factors (19 studies, three questions). Image interpretation concerns were addressed in 50 studies (three questions). Patient-related clinical factors affecting TCD utility were addressed in 44 studies (seven questions). Legislative priorities were discussed in 19 studies; in 13 studies, authors commented on their recommendations for research priorities.

conclusionWe found significant inconsistencies and a lack of technical details described in the literature. Next steps include a national survey of current TCD protocols for BD/DNC evaluation, and an expert consensus guidelines report on the technical use of TCD as an ancillary test.

Indexed as

Brain DeathUltrasonography, Doppler, TranscranialHumansancillary testingbrain deathcerebral circulatory arrest (CCA)transcranial Doppler (TCD)ultrasonography

Identifiers

PMID39920886
PMCPMC11806159

What OpenQuestion holds

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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.