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Letter to the Editor| Volume 19, ISSUE 11, P1026-1027, November 2018

Antihypertensive Drugs, Incident Dementia, and the Competing Risk of Death

      In the article “Antihypertensive Medication Regimen Intensity and Incident Dementia in an Older Population” by Tan et al, the authors reported that in a prospective observational population-based cohort of 1208 older persons (mean age: 84.1 ± 5.6), use of a higher number of antihypertensive drug (AHD) classes was associated with a lower dementia risk during 6 years of follow-up.
      • Tan E.C.K.
      • Qiu C.
      • Liang Y.
      • et al.
      Antihypertensive medication regimen intensity and incident dementia in an older population.
      Cox regression was used to estimate hazard ratios (HRs), and competing risk of death was adjusted for using the subdistribution hazard method of Fine and Gray.
      • Fine J.P.
      • Gray R.J.
      A proportional hazards model for the subdistribution of a competing risk.
      The authors concluded that use of multiple AHD classes may convey a reduced dementia risk. This novel finding could have important clinical implications, making replication imperative.
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      References

        • Tan E.C.K.
        • Qiu C.
        • Liang Y.
        • et al.
        Antihypertensive medication regimen intensity and incident dementia in an older population.
        J Am Med Dir Assoc. 2018; 19: 577-583
        • Fine J.P.
        • Gray R.J.
        A proportional hazards model for the subdistribution of a competing risk.
        J Am Stat Assoc. 1999; 94: 496-509
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        • et al.
        Lower dementia risk with different classes of antihypertensive medication in older patients.
        J Hypertens. 2017; 35: 2095-2101
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        Practical recommendations for reporting Fine-Gray model analyses for competing risk data.
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        • et al.
        2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA Guideline for the prevention, detection, evaluation, and management of high blood pressure in adults.
        Hypertension. 2018; 12: 579.e1-579.e73

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