Table 2.
Matched sensor data during baseline, preaction, first day of treatment, and recovery, stratified by time (early, late) and extent (major, minor) of intervention
| Baseline (−60 to −30 days) | Preaction (−8 to −1 days) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Early | Late | Major | Minor | Control | Early | Late | Major | Minor | Control | |
| HeartLogic index | 6.4 ± 6.9 | 9.3 ± 8.0 | 7.2 ± 6.6 | 8.3 ± 8.4 | 6.6 ± 7.9 | 17.4 ± 4.8* | 19.2 ± 9.6* | 19.4 ± 6* | 17.7 ± 9.1* | 7.0 ± 10.0 |
| S3 amplitude (mG) | 1.1 ± 0.4 | 1.0 ± 0.3 | 1.1 ± 0.4 | 1.0 ± 0.3 | 1.0 ± 0.3 | 1.2 ± 0.4* | 1.1 ± 0.4* | 1.2 ± 0.5* | 1.1 ± 0.3* | 1.0 ± 0.3 |
| S1 amplitude (mG) | 2.4 ± 1.1 | 2.3 ± 0.8 | 2.5 ± 1.1 | 2.2 ± 0.8 | 2.3 ± 1.0 | 2.4 ± 1.1 | 2.2 ± 0.8 | 2.4 ± 1.0 | 2.2 ± 0.9 | 2.3 ± 1.0 |
| Thoracic impedance (Ohm) | 47 ± 10 | 44 ± 10 | 46 ± 10 | 45 ± 10 | 49 ± 11 | 45 ± 9* | 44 ± 11 | 45 ± 10 | 43 ± 10 | 48 ± 11 |
| Respiratory rate (breath/min) | 18 ± 2 | 18 ± 2 | 18 ± 2 | 18 ± 3 | 17 ± 2 | 18 ± 3 | 18 ± 2 | 18 ± 2 | 18 ± 3 | 17 ± 2 |
| Night heart rate (beats/min) | 69 ± 10 | 67 ± 10 | 68 ± 11 | 68 ± 9 | 68 ± 9 | 69 ± 9 | 67 ± 10 | 67 ± 10 | 69 ± 8 | 68 ± 9 |
| Activity (min) | 99 ± 53 | 94 ± 51 | 96 ± 49 | 97 ± 54 | 108 ± 60 | 96 ± 57 | 88 ± 51 | 95 ± 53 | 89 ± 55 | 106 ± 59 |
| First day of decongestive treatment adjustment | Recovery (+14 to + 28 days) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Early | Late | Major | Minor | Control | Early | Late | Major | Minor | Control | |
| HeartLogic index | 21 ± 4.7* | 21.1 ± 8.1* | 22.1 ± 6.3* | 20.1 ± 6.5* | 6.9 ± 9.3 | 10.9 ± 13.1 | 15.3 ± 10.0* | 10.8 ± 8.3 | 15.4 ± 14.4* | 8.2 ± 10.6 |
| S3 amplitude (mG) | 1.2 ± 0.5* | 1.1 ± 0.4* | 1.2 ± 0.5* | 1.2 ± 0.4* | 1.0 ± 0.3 | 1.1 ± 0.4 | 1.1 ± 0.3* | 1.1 ± 0.4 | 1.1 ± 0.3* | 1.0 ± 0.3 |
| S1 amplitude (mG) | 2.4 ± 1.1 | 2.1 ± 0.7 | 2.4 ± 1.1 | 2.1 ± 0.8 | 2.3 ± 1.0 | 2.4 ± 1.1 | 2.1 ± 0.8 | 2.4 ± 1.1 | 2.1 ± 0.8 | 2.3 ± 1.0 |
| Thoracic impedance (Ohm) | 44 ± 8* | 43 ± 11 | 45 ± 9 | 43 ± 10* | 48 ± 11 | 45 ± 9* | 45 ± 10 | 45 ± 10 | 45 ± 9 | 47 ± 10 |
| Respiratory rate (breath/min) | 18 ± 3 | 18 ± 3 | 18 ± 3 | 18 ± 3 | 18 ± 2 | 18 ± 3 | 19 ± 2 | 18 ± 2 | 19 ± 3 | 18 ± 2 |
| Night heart rate (beats/min) | 68 ± 9 | 67 ± 11 | 67 ± 10 | 69 ± 10 | 68 ± 10 | 69 ± 7 | 67 ± 9 | 67 ± 9 | 69 ± 8 | 67 ± 8 |
| Activity (min) | 105 ± 68 | 85 ± 51 | 106 ± 66 | 87 ± 57 | 110 ± 68 | 100 ± 58 | 91 ± 49 | 96 ± 52 | 94 ± 54 | 103 ± 60 |
Note: Control group (clinically stable periods from patients with no HF events or decongestive treatment adjustments). Early (n = 30), late (n = 26), major (n = 29), minor (n = 27), control (n = 105).
*
p < .05 versus baseline.