28 November 2022 : Clinical Research
Ultrasonographic Carotid Artery Flow Measurements as Predictors of Spinal Anesthesia-Induced Hypotension in Elderly Patients: A Prospective Observational Study
Hyae Jin Kim1ABEF, Ah-Reum Cho12ACDE, Hanbit Lee1ABEF*, Haekyu Kim12DEF, Jae-Young Kwon12DEF, Hyeon-Jeong Lee12DEF, Christine Kang3BE, Soeun Jeon4BDEF, Nara Kim1BEDOI: 10.12659/MSM.938714
Med Sci Monit 2022; 28:e938714
Table 2 Preoperative transthoracic echocardiography.
| Total (N=50) | Non-hypotension (n=33) | Hypotension (n=17) | P value | |
|---|---|---|---|---|
| Ejection fraction (%) | 59.5±3.0 | 59.7±3.0 | 59.2±2.4 | 0.538 |
| Mitral inflow E velocity (cm/s) | 61.4±13.3 | 65.0±14.0 | 54.0±7.8 | 0.004 |
| Mitral inflow A velocity (cm/s) | 85.0±15.4 | 86.9±15.5 | 81.7±14.6 | 0.262 |
| E/A ratio | 0.73±0.16 | 0.76±0.15 | 0.68±0.16 | 0.076 |
| Deceleration time (ms) | 212.0±52.5 | 209.8±54.3 | 218.0±48.2 | 0.632 |
| Medial E′ | 5.8±1.7 | 6.1±1.7 | 5.0±1.2 | 0.018 |
| Lateral E′ | 7.9±2.1 | 8.2±2.0 | 7.2±2.1 | 0.104 |
| E/E′ average | 9.4±2.6 | 9.4±2.7 | 9.4±2.6 | 0.978 |
| LA volume index (mL/m) | 33.7±6.8 | 33.5±6.1 | 34.1±8.4 | 0.811 |
| TR velocity (m/s) | 2.4±0.3 | 2.3±0.3 | 2.5±0.3 | 0.181 |
| LV diastolic dysfunction | 1.000 | |||
| 0 | 1 (2.0) | 1 (3.0) | 0 (0) | |
| I | 49 (98.0) | 32 (97.0) | 17 (100.0) | |
| Data are mean±standard deviation or number (%). LA – left atrium; TR – tricuspid regurgitation; LV – left ventricle. | ||||