25 December 2021 : Clinical Research
Association of Perioperative Myocardial Injury with 30-Day and Long-Term Mortality in Older Adult Patients Undergoing Orthopedic Surgery in China
Wenlan Hu1BCDE, Youzhou Chen1BCD, Kaiping Zhao2BCD, Jihong Wang1BCD, Mei Zheng1BCD, Ying Zhao1BCD, Hao Han1BCD, Qiong Zhao3AE, Xingshan Zhao1AE*DOI: 10.12659/MSM.932036
Med Sci Monit 2021; 27:e932036
Table 1 Baseline characteristics of patients with myocardial injury after noncardiac orthopedic surgery.
| Alln=266 | MIn=180 | no-MIn=86 | P | |
|---|---|---|---|---|
| Age, years | 71.1±9.2 | 71.2±10.3 | 71.0±8.7 | 0.855 |
| Male, n (%) | 87 (32.7%) | 56 (31.1%) | 31 (36.0%) | 0.422 |
| RCRI factors, n (%) | ||||
| Coronary heart disease | 101 (38.0) | 84 (46.7) | 17 (19.8) | |
| Cerebrovascular disease | 41 (15.4) | 30 (16.7) | 11 (12.8) | 0.413 |
| Hypertension | 147 (55.3) | 114 (63.3) | 33 (38.4) | |
| Diabetes mellitus | 68 (25.6) | 55 (30.6) | 13 (15.1) | |
| RCRI ≥2, n (%) | 50 (18.8) | 42 (23.3) | 8 (9.3) | |
| ASA ≥3, n (%) | 76 (28.6) | 49 (27.2) | 27 (31.4) | 0.481 |
| General anesthesia, n (%) | 139 (52.3) | 93 (51.7) | 46 (53.5) | 0.781 |
| Procedure type, n (%) | ||||
| Hip or knee | 113 (42.5) | 75 (41.6) | 38 (44.2) | |
| Spine | 48 (18.0) | 37 (20.6) | 11 (12.8) | 0.296 |
| Orthopedic trauma | 105 (39.5) | 68 (37.8) | 37 (43.0) | |
| Intraoperative blood transfusion >400 ml, n (%) | 60 (22.6) | 35 (19.4) | 25 (29.1) | 0.079 |
| Time of surgery, min, median (range) | 90 (70–140) | 90 (70–135) | 90 (74–142) | 0.918 |
| Peak Troponin, μg/L | 0.23 (0.08–1.32) | 0.42 (0.12–3.4) | 0.08 (0.05–0.27) | |
| Follow-up (months), median (range) | 42.0 (12.8–70.0) | 44.0 (13.3–68.8) | 36.5 (11.0–76.8) | 0.604 |
| RCRI:– Revised Cardiac Risk Index; ASA – American Society of Anesthesiologists Physical Status Classification. | ||||






