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Prognostic indicators for the onset of ischaemic versus haemorrhagic stroke in stable coronary artery disease.

ABSTRACT:

Abstract

The incidence of stroke may be increased in patients with coronary artery disease (CAD). We aimed to investigate the specific risk factors for the development of ischaemic and haemorrhagic stroke in stable CAD patients.Patients with stable CAD were prospectively enrolled for future cardiovascular events in Taiwan. All the patients had received coronary interventions and were stable for least 1 month before enrolment. The incidence of ischaemic stroke was identified and confirmed by telephone and hospital records. Baseline characteristics, including demographic data, lipid profiles, medications, and biomarkers for potential inflammatory and atherosclerosis, were analysed.In total, 1428 patients (age, 63.07 ± 11.4 years; 1207 males) were under standard medical treatment and regularly followed-up for at least 4 years. Multivariate logistic regression analysis showed that baseline serum myeloperoxidase (MPO) level (hazard ratio [HR]: 1.89, 95% CI: 1.16-3.10, P = .01) and statin use (HR: 0.37; 95% CI: 0.17-0.79, P = .01) were independently associated with the onset of ischaemic stroke. Age (HR: 1.07, 95% CI: 1.00-1.14, P = .04) and angiotensin receptor blocker (ARB) use (HR: 0.37, 95% CI: 0.17-0.79, P = .01) were independently associated with future onset of intracranial haemorrhage (ICH), implying the different mechanisms of ischaemic stroke and ICH.Age and ARB use were related to ICH onset. Baseline MPO level and statin use were independently associated with longer and shorter future ischaemic stroke onset in stable CAD patients, respectively. Further studies are indicated to confirm the potential mechanisms and advance individual risk stratification for the onset of different types of stroke in clinical CAD.

SUBMITTER: Wang WT

PROVIDER: S-EPMC9191570 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Prognostic indicators for the onset of ischaemic versus haemorrhagic stroke in stable coronary artery disease.

Wang Wei-Ting WT Wu Tao-Cheng TC Tseng Wei-Kung WK Wu Yen-Wen YW Lin Tsung-Hsien TH Yeh Hung-I HI Chang Kuan-Cheng KC Wang Ji-Hung JH Leu Hsin-Bang HB Yin Wei-Hsian WH Wu Chau-Chung CC Chen Jaw-Wen JW

Medicine 20211201 48

<h4>Abstract</h4>The incidence of stroke may be increased in patients with coronary artery disease (CAD). We aimed to investigate the specific risk factors for the development of ischaemic and haemorrhagic stroke in stable CAD patients.Patients with stable CAD were prospectively enrolled for future cardiovascular events in Taiwan. All the patients had received coronary interventions and were stable for least 1 month before enrolment. The incidence of ischaemic stroke was identified and confirmed ...[more]

PMID: 35049202

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Project description:BackgroundRemote ischaemic preconditioning (RIPC) is a cardioprotective intervention invoking intermittent periods of ischaemia in a tissue or organ remote from the heart. The mechanisms of this effect are incompletely understood. We hypothesised that RIPC might enhance coronary vasodilatation by an endothelium-dependent mechanism.MethodsWe performed a prospective, randomised, sham-controlled, blinded clinical trial. Patients with stable coronary artery disease (CAD) undergoing elective invasive management were prospectively enrolled, and randomised to RIPC or sham (1:1) prior to angiography. Endothelial-dependent vasodilator function was assessed in a non-target coronary artery with intracoronary infusion of incremental acetylcholine doses (10-6, 10-5, 10-4mol/l). Venous blood was sampled pre- and post-RIPC or sham, and analysed for circulating markers of endothelial function. Coronary luminal diameter was assessed by quantitative coronary angiography. The primary outcome was the between-group difference in the mean percentage change in coronary luminal diameter following the maximal acetylcholine dose (Clinicaltrials.gov identifier: NCT02666235).Results75 patients were enrolled. Following angiography, 60 patients (mean±SD age 57.5±8.5years; 80% male) were eligible and completed the protocol (n=30 RIPC, n=30 sham). The mean percentage change in coronary luminal diameter was -13.3±22.3% and -2.0±17.2% in the sham and RIPC groups respectively (difference 11.32%, 95%CI: 1.2- 21.4, p=0.032). This remained significant when age and sex were included as covariates (difference 11.01%, 95%CI: 1.01- 21.0, p=0.035). There were no between-group differences in endothelial-independent vasodilation, ECG parameters or circulating markers of endothelial function.ConclusionsRIPC attenuates the extent of vasoconstriction induced by intracoronary acetylcholine infusion. This endothelium-dependent mechanism may contribute to the cardioprotective effects of RIPC.

Dataset Information

Prognostic indicators for the onset of ischaemic versus haemorrhagic stroke in stable coronary artery disease.

Abstract

Publications

Prognostic indicators for the onset of ischaemic versus haemorrhagic stroke in stable coronary artery disease.

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