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Updated: Dec 24, 2025

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
Impact of adherence to key performance indicators on mortality among patients managed for ischemic stroke
Mustapha Mohammed1, Hadzliana Zainal2, Balamurugan Tangiisuran3
1School of Pharmaceutical Sciences. University of Science Malaysia. Pulau Pinang (Malaysia). macreener88@gmail.com.
Insights
Adherence to key performance indicators (KPI) for ischemic stroke care is suboptimal, particularly in DVT prophylaxis and rehabilitation. Lower nonadherence rates significantly reduce mortality risk in stroke patients.
Area of Science:
- Neurology
- Public Health
- Healthcare Quality Improvement
Background:
- Stroke is a leading global cause of death, with rising incidence in the Asia Pacific, especially Malaysia.
- Existing ischemic stroke management guidelines lack exploration of Key Performance Indicator (KPI) adherence and its impact on patient mortality.
Purpose of the Study:
- To assess the relationship between adherence to established Key Performance Indicators (KPIs) and mortality rates in ischemic stroke patients.
- To identify specific areas of suboptimal KPI adherence in ischemic stroke management within the Malaysian context.
Main Methods:
- A prospective cohort study of 579 first-ever ischemic stroke patients from the Malaysian National Neurology Registry (NNeuR).
- Evaluation of baseline characteristics, risk factors, treatments, and six-month mortality outcomes.
- Analysis of Key Performance Indicator nonadherence (NAR), with NAR > 25% considered suboptimal; relationship between NAR and mortality was assessed.
Main Results:
- Overall six-month mortality was 4.0% (23 patients).
- Suboptimal adherence was noted in Deep Vein Thrombosis (DVT) prophylaxis (82.8%), anticoagulation for atrial fibrillation (AF) (48.8%), and rehabilitation (26.2%).
- Lower nonadherence (NAR < 2) was significantly linked to decreased mortality (OR 0.16), with higher nonadherence (NAR > 2) predicting increased mortality (p=0.05).
Conclusions:
- Suboptimal adherence to Key Performance Indicators (KPIs) is significantly associated with increased mortality in ischemic stroke patients.
- Improving adherence in areas like DVT prophylaxis, AF anticoagulation, and rehabilitation is crucial for better patient outcomes.
- Continuous quality monitoring and implementation of evidence-based practices are essential for optimizing stroke care delivery.
Background:
Stroke is a leading cause of death worldwide. The cases of acute ischemic stroke are on the increase in the Asia Pacific, particularly in Malaysia. Various health organizations have recommended guidelines for managing ischemic stroke, but adherence to key performance indicators (KPI) from the guidelines and impact on patient outcomes, particularly mortality, are rarely explored.
Objective:
This study aims to evaluate the impact of adherence to key performance indicators on mortality among patients managed for ischemic stroke.
Methods:
We included all first-ever ischemic stroke patients enrolled in the multiethnic Malaysian National Neurology Registry (NNeuR) - a prospective cohort study and followed-up for six months. Patients' baseline clinical characteristics, risk factors, neurological findings, treatments, KPI and mortality outcome were evaluated. The KPI nonadherence (NAR) and relationship with mortality were evaluated. NAR>25% threshold was considered suboptimal.
Results:
A total of 579 first-ever ischemic stroke patients were included in the final analysis. The overall mortality was recorded as 23 (4.0%) in six months, with a median (interquartile) age of 65 (20) years. Majority of the patients (dead or alive) had partial anterior circulation infarct, PACI (43.5%; 34.0%) and total anterior circulation infarct, TACI (26.1%; 8.8%). In addition, DVT prophylaxis (82.8%), anticoagulant for atrial fibrillation (AF) patients (48.8%) and rehabilitation (26.2%) were considered suboptimal. NAR < 2 was significantly associated with a decrease in mortality (odds ratio 0.16; 0.02-0.12) compared to NAR>2. Survival analysis showed that death is more likely in patients with NAR>2 (p=0.05).
Conclusions:
KPI nonadherence was associated with mortality among ischemic stroke patients. The adherence to the KPI was sub-optimal, particularly in DVT prophylaxis, anticoagulant for AF patients and rehabilitation. These findings reflect the importance of continuous quality measurement and implementation of evidence recommendations in healthcare delivery to achieve optimal outcome among stroke patients.
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