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  • Ovid Technologies (Wolters Kluwer Health)  (5)
  • He, Liu  (5)
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  • Ovid Technologies (Wolters Kluwer Health)  (5)
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  • 1
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 12, No. 16 ( 2023-08-15)
    Abstract: The knowledge gap regarding whether the correlation between atrial fibrillation (AF) and dementia in observational studies is causation or driven by other shared risk factors remains substantially unfilled. Methods and Results We performed a comprehensive 2‐sample Mendelian randomization study to evaluate the causal effect of AF on overall dementia and its subtypes, including vascular dementia, Alzheimer dementia, Lewy body dementia, and frontotemporal dementia. The primary results in inverse variance–weighted analyses were further validated by various Mendelian randomization sensitivity analyses. Additionally, we conducted multivariable Mendelian randomization to examine 10 candidate mediators of the causal association of AF and dementia. Genetic predisposition to AF was modestly associated with an increased risk of overall dementia (odds ratio, 1.140 [95% CI, 1.023–1.271]; P =0.018) and strongly associated with vascular dementia (odds ratio, 1.350 [95% CI, 1.076–1.695]; P =0.010). Genetically predicted AF indicated neutral effects on Alzheimer dementia, Lewy body dementia, and frontotemporal dementia. In multivariable Mendelian randomization analysis, the total effect of AF on overall dementia was remarkably attenuated by adjusting for genetic effect for ischemic stroke (odds ratio, 1.068 [95% CI, 0.953–1.197]; P =0.259) and low cardiac output (odds ratio, 1.046 [95% CI, 0.926–1.181]; P =0.475), indicating that the causal association of genetically predicted AF with dementia was potentially mediated by ischemic stroke and low cardiac output. The causal effect of genetically predicted AF on dementia was independent of cerebral small‐vessel disease and brain volume phenotypes. Conclusions Our findings provided novel evidence supporting the causal effect of genetically predicted AF on dementia mediated by ischemic stroke and low cardiac output. Future clinical trials are warranted to evaluate the potential role of appropriate AF management in dementia prevention.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2653953-6
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  • 2
    In: Hypertension, Ovid Technologies (Wolters Kluwer Health)
    Abstract: Systolic blood pressure (SBP) time in target range (TTR) indicates the mean value, exposure time, and variability in blood pressure over time. The prognostic value of SBP TTR for incident atrial fibrillation (AF) in patients with hypertension is unclear. METHODS: We performed a post hoc analysis of SPRINT (Systolic Blood Pressure Intervention Trial), a randomized controlled trial comparing intensive ( 〈 120 mm Hg) and standard ( 〈 140 mm Hg) SBP interventions in participants with hypertension. SBP target ranges for intensive and standard arms were defined as 110 to 130 and 120 to 140 mm Hg, respectively. TTR was calculated by linear interpolation method using SBP from months 0 to 3. We used Cox proportional regression models to assess the association of SBP TTR with incident AF. RESULTS: Among 7939 participants included in this analysis, 187 incident AF cases occurred during follow-up. After multivariable adjustment, a 10% increase in SBP TTR was independently associated with a 7% lower risk of incident AF (hazard ratio, 0.93 [95% CI, 0.88–0.97]; P =0.003). The restricted spline curve depicted a linear and inverse relationship between SBP TTR and incident AF. Sensitivity analyses generated consistent results when calculating TTR over a longer period or setting target range as 110 to 140 mm Hg for the whole population. CONCLUSIONS: Higher SBP TTR independently predicts a lower risk of incident AF. Efforts to attain SBP within 110 to 140 mm Hg over time may be an effective strategy to prevent AF. REGISTRATION: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT01206062.
    Type of Medium: Online Resource
    ISSN: 0194-911X , 1524-4563
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2094210-2
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  • 3
    In: Hypertension, Ovid Technologies (Wolters Kluwer Health), Vol. 80, No. 8 ( 2023-08), p. 1628-1636
    Abstract: The prognostic value of systolic blood pressure (SBP) time in target range (TTR) on cognitive outcomes among adults with hypertension remains unclear. METHODS: We performed secondary analysis of SPRINT MIND (Systolic Blood Pressure Intervention Trial Memory and Cognition in Decreased Hypertension), which compared intensive ( 〈 120 mm Hg) versus standard ( 〈 140 mm Hg) SBP intervention in hypertensive individuals. TTR was calculated from baseline to month 3 using 110 to 130 mm Hg and 120 to 140 mm Hg as target range for the intensive and standard groups, respectively. Cognitive outcomes included probable dementia, mild cognitive impairment, and the composite of probable dementia or mild cognitive impairment. Cox regression models were used to evaluate the relationship between SBP-TTR and cognitive outcomes. RESULTS: A total of 8298 patients were included. Participants with higher TTR were younger and less likely to be women or to have a history of cardiovascular disease. After adjustment of baseline demographics, medical history, and mean SBP, a 1-SD (31.5%) increase in TTR was independently associated with a 14% lower risk of probable dementia (hazard ratio, 0.86 [95% CI, 0.76–0.98]; P =0.023). Sensitivity analysis showed consistent results when combining target range as 110 to 140 mm Hg. However, there was no significant association between SBP-TTR and mild cognitive impairment. CONCLUSIONS: In this post hoc analysis of SPRINT MIND, SBP-TTR was an independent predictor of probable dementia beyond mean SBP. Maintaining SBP within 110 to 140 mm Hg over time may be beneficial for dementia prevention. REGISTRATION: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT01206062.
    Type of Medium: Online Resource
    ISSN: 0194-911X , 1524-4563
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2094210-2
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  • 4
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 12, No. 24 ( 2023-12-19)
    Abstract: The association between sodium‐glucose cotransporter 2 inhibitors (SGLT2i) and atrial fibrillation (AF) recurrence after catheter ablation among patients with diabetes and AF remains unclear. Methods and Results Patients with AF undergoing initial catheter ablation with a history of diabetes from the China AF registry were included. Patients using SGLT2i were identified and matched by propensity score with non‐SGLT2i patients in a 1:3 ratio. The main outcome was AF recurrence during the 18‐month follow‐up. A total of 138 patients with diabetes with SGLT2i therapy and 387 without SGLT2i were analyzed. AF recurrence occurred in 37 patients (26.8%) in the SGLT2i group and 152 patients (39.3%) in the non‐SGLT2i group during a total of 593.3 person‐years follow‐up. The SGLT2i group was associated with lower AF recurrence compared with the non‐SGLT2i group (hazard ratio, 0.63 [95% CI, 0.44–0.90], P =0.007). A total of 4 studies were analyzed in our meta‐analysis demonstrating that SGLT2i was associated with lower AF recurrence after catheter ablation (odds ratio, 0.61 [95% CI, 0.54–0.69]; P 〈 0.001, I 2 =0.0%). Conclusions Our prospective study coupled with a meta‐analysis demonstrated a lower risk of AF recurrence with the use of SGLT2i among patients with diabetes after AF ablation.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2653953-6
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  • 5
    In: Hypertension, Ovid Technologies (Wolters Kluwer Health), Vol. 80, No. 3 ( 2023-03), p. 580-589
    Abstract: The potential benefits or harms of intensive systolic blood pressure (BP) control on cognitive function and cerebral blood flow in individuals with low diastolic blood pressure (DBP) remain unclear. Methods: We conducted a post hoc analysis of the SPRINT MIND (Systolic Blood Pressure Intervention Trial Memory and Cognition in Decreased Hypertension) that randomly assigned hypertensive participants to an intensive ( 〈 120 mm Hg; n=4278) or standard ( 〈 140 mm Hg; n=4385) systolic blood pressure target. We evaluated the effects of BP intervention on cognitive outcomes and cerebral blood flow across baseline DBP quartiles. Results: Participants in the intensive group had a lower incidence rate of probable dementia or mild cognitive impairment than those in the standard group, regardless of DBP quartiles. The hazard ratio of intensive versus standard target for probable dementia or mild cognitive impairment was 0.91 (95% CI, 0.73–1.12) in the lowest DBP quartile and 0.70 (95% CI, 0.48–1.02) in the highest DBP quartile, respectively, with an interaction P value of 0.24. Similar results were found for probable dementia (interaction P =0.06) and mild cognitive impairment (interaction P =0.80). The effect of intensive treatment on cerebral blood flow was not modified by baseline DBP either (interaction P =0.25). Even among participants within the lowest DBP quartile, intensive versus standard BP treatment resulted in an increasing trend of annualized change in cerebral blood flow (+0.26 [95% CI, −0.72 to 1.24] mL/[100 g·min] ). Conclusions: Intensive BP control did not appear to have a detrimental effect on cognitive outcomes and cerebral perfusion in patients with low baseline DBP. Registration: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT01206062
    Type of Medium: Online Resource
    ISSN: 0194-911X , 1524-4563
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2094210-2
    Location Call Number Limitation Availability
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