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Titolo Effects of Beta-Blocker Use on Volume Status in Hemodialysis Patients
Autore Shu-Hong Bi a, Lori Linke b, Jimmy Wu b, Li-Tao Cheng a, Tao Wanga Suhail Ahmadba - Division of Nephrology, Peking University Third Hospital, Beijing , PR China; b Division of Nephrology, University of Washington, Seattle, Wash. , USA
Referenza Blood Purif 2012; 33:311-316

Background: Removal and control of excess fluid with dialysis is considered critical for protection against cardiovascular sequelae. Antihypertensive agents including beta-blockers may influence hemodynamics, which may limit fluid removal during hemodialysis (HD).

Methods: Fifty chronic HD patients underwent bioimpedance measurement before and after a midweek dialysis session. Data on volume status, blood pressure, antihypertensive medications, and bioimpedance were analyzed.

Results: Patients in the high-volume status group used a significantly higher percentage of beta-blockers than patients in the low-volume status group (54.2 vs. 19.2%, respectively, p = 0.01). Multivariable regression revealed that the use of beta-blockers was independently positively associated with fluid overload (p ! 0.05). Intradialytic muscle cramping occurred more often in the beta-blocker group than the control group (44.4 vs. 12.5%, respectively, p = 0.02).

Conclusions: Our results suggest that the use of beta-blockers was associated with fluid overload in HD patients, and patients being treated with them experienced more intradialytic muscle cramping during dialysis.

Data 09.11.2012
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