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Individualized Isonatremic and Hyponatremic Dialysate Improves Blood Pressure in Patients with Intradialytic Hypertension: A Prospective Cross-Over Study with 24-h Ambulatory Blood Pressure Monitoring Vrije Universiteit Brussel

Tom Robberechts, Mandelina Allamani, Karl Martin Wissing, Patricia Vanderniepen
Background. Intradialytic hypertension, a paradoxical rise in systolic blood pressure from pre- to postdialysis, is a poorly understood and difficult-to-treat phenomenon. We examined the effects of individually adjusted isonatremic and hyponatremic dialysate on intradialytic and interdialytic blood pressure in patients with intradialytic hypertension. Methods. We enrolled 11 patients with intradialytic hypertension in a prospective randomized ...

Blood Pressure Phenotypes Defined by Ambulatory Blood Pressure Monitoring and Carotid Artery Changes in Community-Dwelling Older Japanese Adults: The Ohasama Study KU Leuven

Kei Asayama
White coat hypertension is defined as elevated blood pressure in the office, but a normal blood pressure out-of-office, whereas masked hypertension is defined as elevated blood pressure in the office, but normal out-of-office blood pressure. The objective was to investigate the associations between these blood pressure phenotypes and carotid artery changes. Conventional blood pressure, ambulatory blood pressure, and carotid ultrasonography were ...

Blood pressure variability and arterial stiffness parameters derived from ambulatory blood pressure monitoring KU Leuven

Masahiro Kikuya, Kei Asayama, Takayoshi Ohkubo
Multiple blood pressure (BP) measurements allow an evaluation of BP variability and BP‑derived arterial stiffness indices. Periodic variations in BP are well known, from beat‑to‑beat BP readings in intra‑arterial measurement to seasonal variations in BP. Diurnal BP variation has been investigated in relation to its prognostic value. People with night‑to‑day BP ratio of 1 or higher, that is, those with a higher nocturnal than daytime BP, were ...

Risk Stratification by Ambulatory Blood Pressure Monitoring Across JNC Classes of Conventional Blood Pressure KU Leuven

Lutgarde Thijs, Kei Asayama, Fangfei Wei, Tatiana Kouznetsova, Jan A Staessen
BACKGROUND: Guidelines propose classification of conventional blood pressure (CBP) into normotension (<120/<80 mm Hg), prehypertension (120-139/80-89 mm Hg), and hypertension (≥140/≥90 mm Hg). METHODS: To assess the potential differential contribution of ambulatory blood pressure (ABP) in predicting risk across CBP strata, we analyzed outcomes in 7,826 untreated people recruited from 11 populations. RESULTS: During an 11.3-year period, 809 ...

Arteriovenous fistula closure after renal transplantation: A prospective study with 24-hour ambulatory blood pressure monitoring Vrije Universiteit Brussel

Philippe Unger, Olivier Xhaet, Boutaina Najem, Philippe Dehon, Philippe Van De Borne
We prospectively evaluated the effects of arteriovenous fistula closure on 24-hour ambulatory blood pressure measurements and on left ventricular geometry assessed by echocardiography. Sixteen kidney transplant recipients were studied before and 1 month after surgical fistula closure. The mean of 24-hour diastolic blood pressure increased from 77 +/- 7 mmHg to 82 +/- 8 mmHg (P=0.003) without systolic changes. The diastolic blood pressure ...