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In the general medical population, office-visit blood pressure (BP) readings often are higher than 24-hour ambulatory blood pressure readings, but does this observation hold in patients with chronic kidney disease (CKD)? To find out, researchers in Spain analyzed data from 14,400 hypertensive adults (5700 with CKD) for whom both office and 24-hour ambulatory BP readings were available. Most patients were taking antihypertensive medications.
Across each of six patient categories (no CKD and stages 1–5 of CKD), mean systolic BP was about 20 mm Hg lower, and mean diastolic BP was about 10 mm Hg lower, with ambulatory than with office measurement. Among CKD patients, the proportion of those with BP <140/90 mm Hg was 16% to 34% for office reading…