Stroke; a journal of cerebral circulation
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Multicenter Study
Applying the evidence: do patients with stroke, coronary artery disease, or both achieve similar treatment goals?
The importance of early and aggressive initiation of secondary prevention strategies for patients with both coronary artery disease (CAD) and cerebrovascular disease (CVD) is emphasized by multiple guidelines. However, limited information is available on cardiovascular protection and stroke prevention in an outpatient setting from community-based populations. We sought to evaluate and compare differences in treatment patterns and the attainment of current guideline-recommended targets in unselected high-risk ambulatory patients with CAD, CVD, or both. ⋯ Despite the proven benefits of available antihypertensive and lipid-lowering therapies, current management of hypertension and dyslipidemia continues to be suboptimal. A considerable proportion of patients failed to achieve guideline-recommended targets, and this apparent treatment gap was more pronounced among patients with CVD and women. Quality improvement strategies should target these patient subgroups.
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Several carotid endarterectomy randomized, controlled trials and series have reported higher perioperative stroke and death rates for women compared with men. The potential for this same relationship with carotid artery stenting was examined in the lead-in phase of the Carotid Revascularization Endarterectomy versus Stenting Trial (CREST). ⋯ These results do not provide evidence that women have a higher carotid artery stenting stroke and death rate compared with men. The potential differential periprocedural risk by sex will be prospectively addressed in the randomized phase of CREST.
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Comparative Study
Do presenting symptoms explain sex differences in emergency department delays among patients with acute stroke?
Previous studies report that women with stroke may experience longer delays in diagnostic workup than men after arriving at the emergency department. We hypothesized that presenting symptom differences could explain these delays. ⋯ Women with acute stroke experienced greater emergency department delays than men, which were not attributable to differences in presenting symptoms, time of arrival, age, or other confounders.
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Randomized Controlled Trial
Effectiveness and safety of transcranial laser therapy for acute ischemic stroke.
We hypothesized that transcranial laser therapy (TLT) can use near-infrared laser technology to treat acute ischemic stroke. The NeuroThera Effectiveness and Safety Trial-2 (NEST-2) tested the safety and efficacy of TLT in acute ischemic stroke. ⋯ TLT within 24 hours from stroke onset demonstrated safety but did not meet formal statistical significance for efficacy. However, all predefined analyses showed a favorable trend, consistent with the previous clinical trial (NEST-1). Both studies indicate that mortality and adverse event rates were not adversely affected by TLT. A definitive trial with refined baseline National Institutes of Health Stroke Scale exclusion criteria is planned.
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The optimal hemoglobin (Hgb) target after aneurysmal subarachnoid hemorrhage is not precisely known. We sought to examine the threshold of Hgb concentration associated with an increased risk of cerebral metabolic dysfunction in patients with poor-grade subarachnoid hemorrhage. ⋯ A Hgb concentration <9 g/dL is associated with an increased incidence of brain hypoxia and cell energy dysfunction in patients with poor-grade subarachnoid hemorrhage.