| Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access |
| Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc |
| Journal website https://www.cardiologyres.org |
Original Article
Volume 4, Number 6, December 2013, pages 173-177
The Assessment and Potential Implications of the Myocardial Performance Index Post Exercise in an at Risk Population
Tables
| Average age (years) | 54.3 |
| Sex (male) | 38/90 (42.2%) |
| Coronary artery disease | 5/90 (5.5%) |
| Diabetes mellitus | 23/90 (25.5%) |
| Hypertension | 68/90 (75.5%) |
| Dyslipidemia | 55/90 (61.1%) |
| Tobacco use | 17/90 (18.9%) |
| Rest portion | Stress portion | ||
|---|---|---|---|
| Time: milliseconds (ms); velocity: m/s; pressure: mmHg. | |||
| EF ≥ 60% | 100% | EF ≥ 60% | 100% |
| Avg rest HR | 79.344 | Avg stress HR | 157.59 |
| Avg A rest (IVCT+ET+IVRT) | 438.1 | Avg A stress (IVCT+ET+IVRT) | 297.10 |
| Avg B rest (ET) | 270.167 | Avg B rest (ET) | 196.83 |
| Avg rest TR velocity | 2.448 | Avg stress TR velocity | 2.914 |
| Avg rest PASP | 29.942 | Avg stress PASP | 43.36 |
| Prevalence/Average MPI | Rest | Stress |
|---|---|---|
| P value < 0.05. | ||
| Prevalence of abnormal MPI in 90 patients | 80% | 53.3% |
| Average MPI/standard deviation | 0.636 ± 0.182 | 0.530 ± 0.250 |
| Variable | Observed | Mean | Standard error | Standard deviation | 95% confidence interval |
|---|---|---|---|---|---|
| T = 3.8258; P = 0.0001. | |||||
| Avg rest MPI | 90 | 0.636 | 0. 0192 | 0.182 | 0.598 - 0.675 |
| Avg stress MPI | 90 | 0.530 | 0. 0264 | 0.250 | 0.477 - 0.583 |
| Difference | 90 | -0.106 | 0. 0277 | 0.2643 | 0. 051 - 0.161 |