24 December 2022 : Clinical Research
Single-Center Study in Lithuania to Evaluate the Role of Transthoracic Impedance Cardiography in the Diagnosis and Outcome Evaluation of 301 Patients with Chronic Heart Failure Exacerbation
Andrius Ališauskas1ABCDEFG*, Albinas Naudžiūnas1ACDEFG, Saulius Sadauskas
1ABCDEF, Laima Jankauskienė1ACDE, Eglė Kalinauskienė1ACDE, Giedrė Vanagaitė2BCDE
DOI: 10.12659/MSM.938389
Med Sci Monit 2022; 28:e938389
Table 6 The physical examination, laboratory, and instrumental test data comparison between deceased and survived patient groups.
| Variable | Deceased patients (mean±95% CI) | Survived patients (mean±SD) | P-value |
|---|---|---|---|
| Age (years) | 71.81±2.33 | 71.91±1.95 | 0.948 |
| Heart rate (bpm) | 79.97±3.75 | 78.34±3.43 | 0.525 |
| sBP (mmHg) | 129.13±5.02 | 135.78±3.55 | |
| dBP (mmHg) | 79.64±3.02 | 80.83±2.24 | 0.523 |
| RR (breaths/minute) | 17.59±0.42 | 16.14±0.22 | |
| BMI (km/m) | 30.59±1.1 | 30.18±0.94 | 0.572 |
| SpO (%) | 93.27±0.62 | 93.82±0.83 | 0.319 |
| NYHA class | 3.47±0.09 | 2.82±0.07 | |
| 6MWD (meters) | 192.88±36.32 | 309.73±25.65 | |
| LVEF (%) | 25.38±2.14 | 43.93±1.39 | |
| LVDd (millimeters) | 54.38±1.63 | 47.82±1.33 | |
| LAD (millimeters) | 52.78±1.31 | 46.64±1.52 | |
| NT-proBNP (pmoL/L) | 636.14±44.48 | 225.29±17.76 | |
| Serum creatinine level (μmoL/L) | 123.09±8.61 | 102.06±5.92 | 0.1 |
| Potassium (mmoL/L) | 4.54±0.11 | 4.54±0.07 | 0.980 |
| Sodium (mmoL/L) | 137.8±0.54 | 138.41±0.56 | 0.136 |
| Bed days | 25.34±1.09 | 24.16±0.99 | 0.118 |
| Readmissions (at 6 months) | 1.59±0.15 | 1.09±0.11 | |
| Readmissions (at 12 months) | 2.39±0.25 | 1.69±0.17 | |
| SI (mL/m) | 34.18±1.8 | 37.35±1.75 | |
| CO (mL/m) | 5.32±0.33 | 5.7±0.34 | 0.103 |
| LCW (kg×m) | 6.31±0.48 | 6.97±0.47 | |
| LCWI (kg×m/m) | 3.12±0.2 | 3.4±0.2 | 0.051 |
| STR | 0.47±0.03 | 0.38±0.02 | |
| TFC (1/kOhm) | 46.56±2.08 | 38.54±1.4 | |
| TFCI (1/kOhm/m) | 23.69±1.25 | 19.5±0.89 | |
| sBP – systolic blood pressure; dBP – diastolic blood pressure; RR – respiratory rate; BMI – body mass index; SpO – noninvasively measured oxygen saturation; NYHA – New York Heart Association; 6MWD – 6-min walk distance; LVEF – left ventricular ejection fraction; LVDd – left ventricular end-diastolic dimension; LAD – left atrial dimension; NT-proBNP – amino-terminal pro-brain natriuretic peptide; SI – systolic index; CO – cardiac output; LCW – left cardiac work; LCWI – left cardiac work index; STR – systolic time ratio; TFC – thoracic fluid content; TFCI – thoracic fluid content index. | |||