Evidence map›Paper›PMID 36471183›Full record

ArticleNeurocritical care2023

Association Between Hyperacute Blood Pressure Variability and Hematoma Expansion After Intracerebral Hemorrhage: Secondary Analysis of the FAST-MAG Database.

Daniel M Oh, Kristina Shkirkova, Roy A Poblete, Pil-Wook Chung, Jeffrey L Saver, Sidney Starkman, David S Liebeskind, Scott Hamilton, Melissa Wilson, Nerses Sanossian

Abstract read
PubMed Publisher
In one paragraph

Article in Neurocritical care, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
0.9field-weighted citation impact, top 25% 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

9 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Hematoma expansion prediction based on SMOTE and XGBoost algorithm.BMC medical informatics and decision making · 2024
    Article
  8. Review
  9. More severe initial manifestations and worse short-term functional outcome of intracerebral hemorrhage in the plateau than in the plain.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2024
    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

10 authors at 4 institutions in 2 countries.

Daniel M OhDepartment of Neurology, Keck School of Medicine, Los Angeles County + University of Southern California Medical Center, Los Angeles, CA, USA. Daniel.oh2@med.usc.edu.ORCID 0000-0002-8833-1001
Kristina ShkirkovaDepartment of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Roy A PobleteDepartment of Neurology, Keck School of Medicine, Los Angeles County + University of Southern California Medical Center, Los Angeles, CA, USA.
Pil-Wook ChungDepartment of Neurology, Kangbuk Samsung Hospital, Seoul, Republic of Korea.
Jeffrey L SaverDepartment of Neurology, University of California, Los Angeles, Los Angeles, CA, USA.
Sidney StarkmanDepartment of Emergency Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
David S LiebeskindDepartment of Neurology, University of California, Los Angeles, Los Angeles, CA, USA.
Scott HamiltonDepartment of Neurology, Stanford University, Palo Alto, CA, USA.
Melissa WilsonDepartment of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Nerses SanossianDepartment of Neurology, Keck School of Medicine, Los Angeles County + University of Southern California Medical Center, Los Angeles, CA, USA.
University of Southern California · USUniversity of California, Los Angeles · USKangbuk Samsung Hospital · KRPalo Alto University · US

Funding

Southern California Clinical and Translational Science InstituteUL1TR001855 · NCATS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Thomas A Buchanan, Michele D. Kipke · 2016 to 2026
$81.3M
Southern California Clinical and Translational Science InstituteUL1TR000130 · NCATS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BUCHANAN, THOMAS A · 2012 to 2015
$36.0M
NCATS NIH HHS UL1 TR000130NCATS NIH HHS UL1 TR001855
6 · The paper itself

Abstract

backgroundBlood pressure variability (BPV) has emerged as a significant factor associated with clinical outcomes after intracerebral hemorrhage (ICH). Although hematoma expansion (HE) is associated with clinical outcomes, the relationship between BPV that encompasses prehospital data and HE is unknown. We hypothesized that BPV was positively associated with HE.

methodsWe analyzed 268 patients with primary ICH enrolled in the National Institutes of Health-funded Field Administration of Stroke Therapy-Magnesium (FAST-MAG) study who received head computed tomography or magnetic resonance imaging on arrival to the emergency department (ED) and repeat imaging within 6-48 h. BPV was calculated by standard deviation (SD) and coefficient of variation (CV) from prehospital data as well as systolic blood pressure (SBP) measurements taken on ED arrival, 15 min post antihypertensive infusion start, 1 h post maintenance infusion start, and 4 h after ED arrival. HE was defined by hematoma volume expansion increase > 6 mL or by 33%. Univariate logistic regression was used for presence of HE in quintiles of SD and CV of SBP for demographics and clinical characteristics.

resultsOf the 268 patients analyzed from the FAST-MAG study, 116 (43%) had HE. Proportions of patients with HE were not statistically significant in the higher quintiles of the SD and CV of SBP for either the hyperacute or the acute period. Presence of HE was significantly more common in patients on anticoagulation.

conclusionsHigher BPV was not found to be associated with occurrence of HE in the hyperacute or the acute period of spontaneous ICH. Further study is needed to determine the relationship.

Indexed as

Cerebral HemorrhageMagnesiumAntihypertensive AgentsBlood PressureHematomaHumansUnited StatesAntihypertensive AgentsMagnesiumBlood pressureBlood pressure variabilityHematoma expansionIntracerebral hemorrhage

Identifiers

PMID36471183
OpenAlexW4310782521

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.