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Observation on cardiac function (n = 40)
| Time | Cardiac functional classification | ||||
|---|---|---|---|---|---|
| Normal | Grade I | Grade II | Grade III | Grade IV | |
| 1 day before treatment | 40 | 0 | 0 | 0 | 0 |
| 30 days after treatment | 40 | 0 | 0 | 0 | 0 |
| 60 days after treatment | 40 | 0 | 0 | 0 | 0 |
No significant differences were detected in the cardiac function of the 40 cases before and after interventional therapy
