Table 1.
Demographic and clinical characteristics
| Acute kidney injury |
|||
|---|---|---|---|
| Characteristic | Yes (n = 17, 26%) | No (n = 49, 74%) | P value |
| Men | 7 (41%) | 34 (69%) | 0.04 |
| Age (years) | 82.9 ± 6.5 | 82.7 ± 8.9 | 0.76 |
| Height (cm) | 165.4 ± 11.4 | 170.7 ± 9.0 | 0.15 |
| Weight (kg) | 70.3 ± 16.8 | 78.7 ± 21.9 | 0.26 |
| Body mass index (kg/m2) | 26.0 ± 6.5 | 27.1 ± 8.5 | 0.74 |
| Race | 0.22 | ||
| White | 15 (88%) | 47 (96%) | |
| Black | 1 (6%) | 0 (0%) | |
| Asian | 1 (6%) | 2 (4%) | |
| Prior myocardial infarction | 5 (29%) | 4 (8%) | 0.03 |
| Prior stroke | 0 (0%) | 4 (8%) | 0.22 |
| Hypertension | 17 (100%) | 48 (98%) | 0.55 |
| Diabetes | 4 (24%) | 11 (23%) | 0.93 |
| Chronic lung disease | 5 (29%) | 15 (31%) | 0.93 |
| Dyslipidemia | 1 (6%) | 5 (10%) | 0.59 |
| Peripheral artery disease | 4 (24%) | 10 (20.4%) | 0.79 |
| Previous PCI | 6 (35%) | 16 (33%) | 0.84 |
| Prior coronary bypass | 5 (29%) | 18 (37%) | 0.59 |
| Smoking | 1 (6%) | 7 (14%) | 0.36 |
| STS-predicted mortality (%) | 9.6 ± 4.9 | 8.0 ± 4.1 | 0.29 |
| Aortic valve mean gradient (mm Hg) | 39.6 ± 10.9 | 43.0 ± 12.4 | 0.53 |
| Aortic valve area (cm2) | 0.66 ± 0.11 | 0.69 ± 0.23 | 0.96 |
| Preoperative eGFR (mL/min/1.73 m2) | 54.8 ± 29.2 | 70.7 ± 33.8 | 0.09 |
| AKI stage | |||
| Stage 1 | 14 (82%) | N/A | |
| Stage 2 | 1 (6%) | N/A | |
| Stage 3 | 2 (12%) | N/A | |
| Procedural outcomes | |||
| Number of rapid pace runs | 2.9 ± 1.0 | 2.5 ± 1.0 | 0.11 |
| Amount of contrast used (mL) | 131 ± 53 | 145 ± 61 | 0.37 |
| Severe hypotension | 1 (6%) | 2 (4%) | 0.99a |
| Intraoperative arrhythmia | 0 (0%) | 2 (4%) | 0.99a |
| Operative mortality | 2 (12%) | 1 (2%) | 0.16a |
AKI indicates acute kidney injury; eGFR, estimated glomerular filtration rate; PCI, percutaneous coronary intervention; STS, Society of Thoracic Surgeons.
a
Fisher's exact test.