Objective To compare the incidence of admissions to hospital for stroke among older adults with dementia receiving atypical or typical antipsychotics.
Use of cholinesterase inhibitors is associated with an increased risk of receiving an anticholinergic drug to manage urinary incontinence. The use of an anticholinergic drug in this setting may represent a clinically important prescribing cascade. Clinicians should consider the possible contributing role of cholinesterase inhibitors in new-onset or worsening urinary incontinence and the potential risk of coprescribing cholinesterase inhibitors and anticholinergic drugs to patients with dementia.
Objective: To assess the efficacy of a progressive aerobic exercise training program on cognitive and everyday function among adults with mild subcortical ischemic vascular cognitive impairment (SIVCI).Methods: This was a proof-of-concept single-blind randomized controlled trial comparing a 6-month, thrice-weekly, progressive aerobic exercise training program (AT) with usual care plus education on cognitive and everyday function with a follow-up assessment 6 months after the formal cessation of aerobic exercise training. Primary outcomes assessed were general cognitive function (Alzheimer Results: Seventy adults randomized to aerobic exercise training or usual care were included in intention-to-treat analyses (mean age 74 years, 51% female, n 5 35 per group). At the end of the intervention, the aerobic exercise training group had significantly improved ADAS-Cog performance compared with the usual care plus education group (21.71 point difference, 95% confidence interval [CI] 23.15 to 20.26, p 5 0.02); however, this difference was not significant at the 6-month follow-up (20.63 point difference, 95% CI 22.34 to 1.07, p 5 0.46). There were no significant between-group differences at intervention completion and at the 6-month follow-up in EXIT-25 or ADCS-ADL performance. Examination of secondary measures showed between-group differences at intervention completion favoring the AT group in 6-minute walk distance (30.35 meter difference, 95% CI 5.82 to 54.86, p 5 0.02) and in diastolic blood pressure (26.89 mm Hg difference, 95% CI 212.52 to 21.26, p 5 0.02). Conclusions:This study provides preliminary evidence for the efficacy of 6 months of thriceweekly progressive aerobic training in community-dwelling adults with mild SIVCI, relative to usual care plus education. ClinicalTrials.gov identifier: NCT01027858.Classification of evidence: This study provides Class II evidence that for adults with mild SIVCI, an aerobic exercise program for 6 months results in a small, significant improvement in ADAS-Cog performance. Vascular cognitive impairment (VCI) is the second most common cause of dementia after Alzheimer disease (AD).1 Cerebral small vessel disease plays a critical role in covert ischemia and the development of sub-cortical ischemic vascular cognitive impairment (SIVCI), 2 the most common form of VCI. SIVCI is defined by the presence of white matter lesions (WMLs) and lacunar infarcts, and has the clinical consequence of increased dementia risk.3,4 Aerobic exercise
Objective To review the role of oral atypical antipsychotic drugs in the management of the behavioural and psychological symptoms of dementia (BPSD). Data sources Medline, Embase, and the Cochrane Library. Reference lists were reviewed and experts were contacted to identify additional trials. Study selection Double blind randomised controlled trials that evaluated the four oral atypical antipsychotic therapies for BPSD. Review methods Two reviewers assessed trial validity independently. Data extraction Demographics of patients, study duration, dose of antipsychotic, primary end points, adverse events. Results 77 abstracts were reviewed. Five randomised trials (1570 patients) evaluating risperidone and olanzapine were identified. The quality of trials was generally good. Most participants were in an institution ( > 96%), elderly (weighted mean 82.3 years), and had Alzheimer's disease (76.3%). Trials lasted 6-12 weeks. Treatment with atypical antipsychotic drugs was superior to placebo for the primary end point in three of the five trials. Two trials comparing risperidone with haloperidol did not find any differences in the primary measures of efficacy. Adverse events were common and included extrapyramidal symptoms, somnolence, and abnormal gait. Conclusions Although atypical antipsychotic drugs are being used with increasing frequency, few randomised trials have evaluated their use for BPSD. Limited evidence supports the perception of improved efficacy and adverse event profiles compared with typical antipsychotic drugs.
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