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논문분류	춘계학술대회 초록집
제목	Association between hydration status and postdialysis hypertension in hemodialysis Patients
저자	Seok-Hyung Kim* 1, Hoon Young Choi1, Hae Yeul Park1, Seung Kyu Kim1, Jung Eun Lee2, Hyunwook Kim1, Hyung Jong Kim3, Seung-Ho Park4, Sung Kyu Ha1, Hyeong Cheon Park1
출판정보	2016; 2016(1):
키워드	bioimpedance, Hemodialysis, hypertension, volume status
초록	Background: Accurate volume assessment is important for dialysis patients because the fluid overload which leads to increased cardiac load. Intradialytic hypertension has been reported to occur commonly in hemodialysis (HD) sessions. However, the cause of intradialytic hypertension remains to be determined. We performed this study to further ascertain the association between hydration status and postdialysis blood pressure in HD patients. Methods: We conducted a retrospective multi-center study. 222 HD patients were enrolled who were performed a postdalysis bioimpedence analysis. Postdialysis hypertension was defined as an increase in systolic blood pressure (SBP) of 10mmHg or more after dialysis. Δ SBP was calculated by SBP difference between before and after HD. Results: Patients with postdialysis hypertension had higher extracellular (ECW)/total body water (TBW) than those in patients without postdialysis hypertesion (0.40±0.01 vs. 0.39±0.02, p<0.001). By Spearman’s correlation analysis, Δ SBP correlated significantly with ECW/TBW (r=+0.277, p<0.001) and age (r=+0.287, p<0.001). Also, hemoglobin (r=-0.173, p=0.012), serum albumin level (r=-0.232, p=0.001), and subjective global assessment score (r=-0.224, p= 0.014) had a significant correlation with Δ SBP. Ultrafiltration volume during HD and dialysate sodium level didn’t correlate with Δ SBP. According to multivariable linear regression analysis, ECW/TBW was the independent risk factor affecting Δ SBP. Conclusion: Our data support that ECW/TBW is a potential risk factor for postdialysis hypertension in HD patients.
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