Patient-Oriented Evidence That Matters
Increased Readmissions and Adverse Events with Intensification of Antihypertensive Regimen on Hospital Discharge
Am Fam Physician. 2020 Feb 15;101(4):248-249.
Does the intensification of antihypertensive regimens at hospital discharge affect clinical outcomes?
The intensification of antihypertensive regimens on discharge in older adults hospitalized for noncardiac conditions is associated with an increased risk of readmission (number needed to harm [NNH] = 27) and medication-related serious adverse events (NNH = 63) within 30 days. There is no association with a decreased risk of cardiovascular events at one year. (Level of Evidence = 2b)
Using national data from the U.S. Department of Veterans Affairs (VA), the investigators identified adults 65 years or older with hypertension who were admitted within a two-year period to a VA hospital for the common noncardiac conditions of pneumonia, urinary tract infection, or venous thromboembolism. Patients with a secondary diagnosis of atrial fibrillation, acute coronary syndrome, or acute cerebrovascular event were excluded. Using dispensing data from the VA hospital pharmacies, intensifications of antihypertensive regimens were identified by newly prescribed antihypertensive medications on discharge, or an increased dose by more than 20% of a medication that had been prescribed before admission. Patients who received more than 20% of their outpatient care outside the VA, patients admitted from nursing homes, and those who had been hospitalized within the past 30 days were excluded. Out of an initial cohort of 14,915 patients, of which 97% were male, 2,074 (14%) had antihypertensive regimen intensifications at discharge. These patients were more likely to be black and more likely to have higher prehospitalization blood pressures, higher inpatient blood pressures, and heart failure. Using propensity score matching, the investigators then compared 2,028 patients who had antihypertensive regimen intensifications with 2,028 similar patients without such intensifications. Those with intensification were more likely to be readmitted within 30 days of discharge
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