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January 12, 2026Journal of Zhejiang University (Medical Sciences)Open Access

Dynamic hs-cTnT elevation in acute ischemic stroke linked to ~33% lower odds of 3-month functional independence.

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Why the study?

To investigate the association between in-hospital dynamic elevation of hs-cTnT and both early neurological deterioration and 3-month functional outcomes in patients with acute ischemic stroke.

Does dynamic elevation of hs-cTnT predict early neurological deterioration and poorer 3-month functional outcomes in patients with acute ischemic stroke?

Population

1049 acute ischemic stroke patients with two in-hospital hs-cTnT measurements

Comparison

In-hospital hs-cTnT dynamic elevation (>20% increase from baseline) vs non-elevation

Design

Retrospective database analysis

Follow-up

3 months

Key result

Dynamic elevation of high-sensitivity cardiac troponin T in patients with acute ischemic stroke was independently associated with a reduced likelihood of 3-month functional independence (OR 0.67).

Authors

ZXZhenhua XIHHHaitao HuXHXin Huang

Discussion

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Member takes

Overview

May inform prognosis in acute ischemic stroke; leaves open whether targeting dynamic hs-cTnT elevation improves outcomes.

Study Design

Type

Cohort (n=1,049)

Multicenter

Yes

Structured PICO

Does dynamic elevation of hs-cTnT predict early neurological deterioration and poorer 3-month functional outcomes in patients with acute ischemic stroke?

P
Population
1049 patients with acute ischemic stroke (AIS) who underwent two hs-cTnT measurements during hospitalization, median age 73 years, 38.7% female.
I
Intervention
Dynamic elevation of high-sensitivity cardiac troponin T (hs-cTnT) (increase by >20% from baseline level)
C
Comparator
Non-elevation of hs-cTnT
O
Outcome
Early neurological deterioration (END) [defined as a ≥4-point increase in the National Institutes of Health Stroke Scale (NIHSS) score within 7 days of onset] and 3-month functional independence [defined as a modified Rankin Scale (mRS) score of 0-2]hard clinical

Main Result

Effect estimate: OR 0.67 (95% CI 0.47-0.97)

Absolute Event Rate: 36.71% vs 48.71%

p-value: p=0.036

In patients with acute ischemic stroke, in-hospital dynamic elevation of hs-cTnT is an independent predictor of early neurological deterioration and worse 3-month functional outcomes.

Limitations

  • Retrospective cohort design may introduce selection bias.
  • Observational nature precludes establishing causality.
  • Long interval between hs-cTnT measurements (median 2 days) may miss transient elevations.
  • Lack of fixed time points and multiple measurements to assess specific hs-cTnT change trajectories.
  • Potential residual confounding from unmeasured factors like eGFR, BMI, infection, and stress hyperglycemia.

Cite This Study

XI et al. (2026) conducted a cohort in Acute ischemic stroke (n=1,049). Dynamic elevation of high-sensitivity cardiac troponin T (hs-cTnT) vs. Non-dynamic elevation of hs-cTnT was evaluated on 3-month functional independence (mRS score 0-2) (OR 0.67, 95% CI 0.47-0.97, p=0.036). Dynamic elevation of high-sensitivity cardiac troponin T in patients with acute ischemic stroke was independently associated with a reduced likelihood of 3-month functional independence (OR 0.67).

synapsesocial.com/papers/6a09089ca2bc65e38873bdd2https://doi.org/10.3724/zdxbyxb-2025-0435
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