American journal of nephrology · 2010
Probing dry-weight improves left ventricular mass index.
СтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Agarwal Rajiv, Bouldin J Michael, Light Robert P, Garg Ashok
Аннотация
BACKGROUND: 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 > 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 > 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.
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 > 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 > 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.