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Titolo Probing Dry-Weight Improves Left Ventricular Mass Index
Autore Rajiv Agarwal a, b J. Michael Bouldin a Robert P. Light a Ashok Gargc a Division of Nephrology, and b Richard L. Roudebush VA Medical Center, Indianapolis, Ind. , and c Arizona Heart and Arrythmia Clinic, Phoenix, Ariz., USA
Referenza Am J Nephrol 2011; 33: 373-380
Contenuto Although probing dry-weight improves blood pressure control, its effect on echocardiographic left ventricular mass index (LVMI) is unknown. Methods: Shortly following dialysis, 292 echocardiograms in 150 patients participating in the DRIP trial were obtained at baseline and longitudinally every 4 weeks on 2 occasions. Results: At baseline, LVMI was 136.3 g/m 2 in the control group and 138.7 g/m 2 in the ultrafiltration group (p 1 0.2 for difference). The change from baseline in LVMI in the control group was +3.5 g/m 2 at 4 weeks and +0.3 g/m 2 at 8 weeks (p 1 0.2 for both changes). The change from baseline in LVMI in the ultrafiltration group was -7.4 g/m 2 at 4 weeks (p = 0.005) and -6.3 g/m 2 at 8 weeks (p = 0.045). With ultrafiltration, the change in LVMI diameter was -10.9 g/m 2 more compared to the control group at 4 weeks (p = 0.012) and -6.6 g/m 2 more compared to the control group at 8 weeks (p = 0.21). The reduction in interdialytic ambulatory blood pressure was also greater in response to probing dry-weight in those in the top half of LVMI at baseline (p = 0.02 for interaction effect at week 8). Conclusion: LVMI, an important determinant of prognosis among long-term dialysis patients, is responsive to probing dry-weight.
Data 06.12.2011
 
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