Relationship between Interdialytic Weight Gain and Blood Pressure in Pediatric Patients on Chronic Hemodialysis

Table 2

Comparisons in relation to residual urine output, hemodialysis (HD) sessions, and interdialytic periods; mean ± SD.

	Anuric ()	Nonanuric ()
Pre-HD SBP
Pre-HD SBP index
% of PreHD SBP > 95th percentile	52%	78%	—
Pre-HD DBP			n.s.
Pre-HD DBP index
Post-HD SBP
Post-HD SBP index	()	(^#)
Post-HD DBP
Post-HD DBP index	(n.s.)	(n.s.)
UF, %
UF, kg			n.s.
IDWG, %			n.s. ()
IDWG, kg			n.s.

n.s.: not significant (). Comparison with pre-HD result in the same group.
HD: hemodialysis; SBP: systolic blood pressure (mmHg); DBP: diastolic blood pressure (mmHg); UF: ultrafiltration (Wt before − Wt after), UF%: UF expressed as % of estimated dry wt (EDW); IDWG: interdialytic weight (wt) gain (Wt before − Wt after preceding HD); and IDWG%: IDWG expressed as % of EDW [3]. SBP or DBP/95th percentile for age, height, and gender [10].