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.