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. 2024 Mar 18;14:6479. doi: 10.1038/s41598-024-57213-9

Table 4.

Blood pressure during dialysis and incidence of IDH events.

IDH group (N = 18) non-IDH group (N = 23)
pre-TAVR post-TAVR p value pre-TAVR post-TAVR p value
IDH events
 Incidence of IDH events per 10 dialysis sessions, (%) 4.32 (43.2) 1.03 (10.3)  < 0.0001 0.43 (4.33) 0.32 (3.24) 0.70
Systolic BP, mmHg
 Pre-HD BP (A) 138 (119–149) 143 (124–160) 0.19 145 (130–174) 160 (140–173) 0.33
 Nadir BP during HD (B) 80 (74–95) 101 (94–112) 0.0002 116 (95–135) 115 (100–140) 0.87
 Δintradialytic BP (A) − (B) 53 (29–62) 32 (21–46) 0.003 21 (15–45) 38 (20–56) 0.23
 Post-HD BP 115 (108–127) 132 (117–164) 0.01 150 (130–157) 144 (135–163) 0.68
Mean BP, mmHg
 Pre-HD BP (C) 91 (81–98) 97 (80–107) 0.34 95 (87–107) 94 (90–105) 0.65
 Nadir BP during HD (D) 64 (51–71) 75 (67–85) 0.004 79 (66–90) 82 (65–93) 0.86
 Δintradialytic BP (C) − (D) 25 (13–39) 17 (7–27) 0.03 12 (8–19) 17 (9–25) 0.47
 Post-HD BP 83 (73–93) 92 (82–98) 0.08 94 (86–104) 87 (81–99) 0.39
Diastolic BP, mmHg
 Pre-HD BP (E) 65 (60–73) 66 (56–85) 0.29 73 (66–80) 67 (60–75) 0.98
 Nadir BP during HD (F) 47 (37–54) 53 (45–65) 0.01 60 (49–70) 55 (49–69) 0.86
 Δintradialytic BP (E) − (F) 19 (11–36) 8 (3–25) 0.07 10 (5–20) 10 (1–17) 0.21
 Post-HD BP 64 (58–73) 74 (59–77) 0.10 70 (60–72) 70 (54–80) 0.89

Values are median (interquartile range) or n (%).

BP Blood pressure, HD Hemodialysis, TAVR Transcatheter aortic valve replacement, other abbreviations as in Table 1.