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  • JAMA Study Identifies...

JAMA Study Identifies New Risk Factors For Poor Outcomes in ICH

MD BureauWritten by MD Bureau Published On 2022-03-22T09:59:44+05:30  |  Updated On 22 March 2022 4:29 AM GMT
JAMA Study Identifies New Risk Factors For Poor Outcomes in ICH
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Intracerebral hemorrhage (ICH) is the subtype of stroke with the highest disability rate among survivors. ICH has a 40% to 50% mortality rate within 30 days. A recent study identified a number of novel risk factors and provided additional data supporting associations for established risk factors in estimating outcomes after ICH, which may be used both clinically and in clinical trial design....

Intracerebral hemorrhage (ICH) is the subtype of stroke with the highest disability rate among survivors. ICH has a 40% to 50% mortality rate within 30 days. A recent study identified a number of novel risk factors and provided additional data supporting associations for established risk factors in estimating outcomes after ICH, which may be used both clinically and in clinical trial design. The study findings were published in the JAMA Network Open on March 15, 2022.

The ICH prognostic score includes the following factors associated with mortality at 30 days after ICH: age older than 80 years, lower admission Glasgow Coma Scale (GCS) score, ICH volume greater than 30 cm3, intraventricular hemorrhage, and infratentorial ICH.

The FUNC score identifies age, GCS score, ICH location, ICH volume, and pre-ICH cognitive impairment as factors associated with disability at 90 days after ICH. To further explore the additional factors associated with outcomes after ICH, Dr Daniel Woo and his team conducted a study to assess primary patient risk factors associated with mortality and neurologic disability 3 months after ICH in a large, racially and ethnically balanced cohort.

In this study, the researchers used data from 2568 White, Black, and Hispanic patients with spontaneous ICH from the Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study cohort. They examined patient demographic and clinical characteristics as well as hospital event and imaging variables. They specifically analyzed elements included in the ICH score. They screened individual characteristics for association with 3-month outcome of neurologic disability or mortality, as assessed by a modified Rankin Scale (mRS) score of 4 or greater vs 3 or less under a logistic regression model. They further tested 25 characteristics in the final model, which minimized the Akaike information criterion.

Key findings of the study:

  • Upon final logistic model, they found a significantly higher area under the receiver operating characteristics curve (C = 0.88) compared with ICH score alone (C = 0.76; P < .001).
  • Other factors associated with poor outcomes were larger ICH volume (OR, 2.74), lobar location (OR, 0.22), older age (OR per 1-year increase, 1.04) and pre-ICH mRS score (OR, 1.62).
  • They further noted that the presence of infection independently predicted a 90-day mRS score of 3 or less (odds ratio [OR], 1.85).

The authors concluded, "The findings of this cohort study validate ICH score elements and suggest additional baseline and interim patient characteristics were associated with variation in 3-month outcome."

They further added, "The ERICH study is exploring whether these results will enable the development of a more comprehensive ICH recovery score that accounts for different races and ethnicities with the increased prognostic ability".

In an accompanying editorial, Dr J. Claude Hemphill III wrote, "This study by Woo et al assessing risk factors associated with outcomes should be used to define a shift in the way we approach prognosing ICH outcome. The purpose of providing a prognosis for ICH outcomes should be the same as the purpose of a clinical trial: trying to identify treatments that can help patients. We believe that we are just getting started".

For further information:

DOI:10.1001/jamanetworkopen.2022.1103

Keywords:

Intracerebral hemorrhage, poor outcomes, ICH Risk factors, ICH, ERICH study, Glasgow Coma Scale, FUNC score, Neurologic disability, modified Rankin Scale, JAMA Network Open. 


Intracerebral hemorrhagepoor outcomesICH Risk factorsICHERICH studyGlasgow Coma ScaleFUNC scoreNeurologic disabilitymodified Rankin ScaleJAMA Network Open
Article Source :  JAMA Network Open
MD Bureau
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    Medical Dialogues Bureau consists of a team of passionate medical/scientific writers, led by doctors and healthcare researchers.  Our team efforts to bring you updated and timely news about the important happenings of the medical and healthcare sector. Our editorial team can be reached at editorial@medicaldialogues.in.

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