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3 results

  • Chapter 19 - Long-term Antithrombotic Therapy for Large and Small Artery Occlusive Disease

  • from Part V - Prevention
  • Edited by Jeffrey L. Saver, Graeme J. Hankey, University of Western Australia, Perth
  • Book:
    Stroke Prevention and Treatment
    Published online:
    15 December 2020
    Print publication:
    10 December 2020, pp 384-411

  • Summary

    Long-term (>1 year) single antiplatelet therapy with aspirin is effective in reducing the risk of any early recurrent stroke by about one-sixth compared with no antiplatelet therapy. Clopidogrel monotherapy is marginally but significantly more effective than aspirin in reducing major vascular events. Cilostazol is also more effective than aspirin in Asian patients, and its therapeutic efficacy may be augmented by the addition of probucol in patients with ischaemic stroke and high risk of cerebral haemorrhage. The safety and effectiveness of cilostazol in non-Asian patients is not known. Prasugrel monotherapy (3.75 mg daily) is not non-inferior to clopidogrel monotherapy among Japanese patients with non-cardioembolic ischaemic stroke. Dual antiplatelet therapy with aspirin and extended-release dipyridamole is more effective than aspirin monotherapy and equally effective as clopidogrel monotherapy in preventing recurrent stroke. Dual antiplatelet therapy with aspirin and clopidogrel is more effective than aspirin monotherapy in preventing recurrent ischaemic stroke and myocardial infarction in high vascular risk patients, but it also increases the risk of major bleeding which may offset its benefits. Dual antiplatelet therapy with cilostazol added to aspirin or clopidogrel is more effective, and as safe as, aspirin or clopidogrel monotherapy in Japanese patients with non-cardioembolic ischaemic stroke.

  • Lacunar stroke, deep white matter disease and depression: a meta-analysis

  • Peter Egeto, Corinne E. Fischer, Zahinoor Ismail, Eric E. Smith, Tom A. Schweizer
  • Journal:
    International Psychogeriatrics / Volume 26 / Issue 7 / July 2014
    Published online by Cambridge University Press:
    09 April 2014, pp. 1101-1109
  • Background:

    Lacunar stroke is a small (<2 cm) infarction that accounts for approximately 20% of all strokes. While a third of all stroke patients experience depressive symptoms, the prevalence of depression in the lacunar stroke patient population is unclear. This meta-analysis aimed to synthesize the evidence on the effect of lacunar stroke and deep white matter disease on depressive symptoms.

    Methods:

    A systematic search of electronic databases was conducted, resulting in the inclusion of 12 studies. Analyses were performed on the effects of lacunar stroke, volume and location of lacunes on depression prevalence, and the effect on depression severity. The effects estimates were calculated in random-effects models.

    Results:

    None of the analyses produced statistically significant results. Lacunar stroke patients had a non-significantly higher prevalence of depression compared to patients with non-lacunar cerebrovascular diseases (OR = 1.46, 95% CI: 0.88–2.43, p = 0.15). Neither thalamic (OR = 1.37 (0.85–2.20), p = 0.19), deep white matter (RR = 1.16 (0.85–1.57), p = 0.35), multiple lacunes (OR = 1.34 (0.81–2.22), p = 0.25), or the volume of lacunes (MD = −4.71 (−351.59–342.18), p = 0.98) had an effect on depression prevalence. Lastly, lacunar stroke did not influence depressive symptom severity (MD = 0.96 (−1.57–3.48), p = 0.46).

    Conclusions:

    The pooled group of patients with lacunar stroke and deep white matter disease appear to have a similar prevalence of depression compared to those with other types of cerebrovascular diseases. However, the small number of studies, heterogeneous comparison groups, and high statistical heterogeneity between studies posed an obstacle to the meta-analysis. To determine appropriate screening and treatment approaches, future research will need to separate lacunar stroke and deep white matter disease patients, and include larger sample sizes and healthy control groups to determine their distinct contributions to depression.

  • Verbal Fluency in Cerebral Small Vessel Disease and Alzheimer's Disease

  • Vanessa Herbert, Rebecca L Brookes, Hugh S Markus, Robin G Morris
  • Journal:
    Journal of the International Neuropsychological Society / Volume 20 / Issue 4 / April 2014
    Published online by Cambridge University Press:
    03 March 2014, pp. 413-421

  • Patterns of verbal fluency deficits have been explored across different neurodegenerative disorders. This study sought to investigate the specific pattern of verbal fluency performance in cerebral small vessel disease (SVD), which is the most common cause of vascular cognitive impairment, and compare this with Alzheimer's disease (AD). Participants with SVD (n = 45), AD (n = 24) and healthy controls (n = 80) completed assessments of semantic and phonemic fluency. Mixed-model analyses of covariance were used to compare performance on the different fluency tasks between the groups, and a discriminant function analysis was conducted to examine group differentiation. The SVD group was impaired in both fluency tasks when compared to the controls. In contrast, the AD group displayed impairment in semantic fluency only. Discriminant function analysis revealed that fluency scores correctly classified 80% of SVD patients and 92% of AD patients. The pattern of performance observed in the SVD group may reflect deficits in executive function and processing speed impacting equivalently on semantic and phonemic fluency. The differences between the SVD and AD groups highlighted in this study may be useful for distinguishing between these conditions. (JINS, 2014, 20, 1–9)