Research Article
Effects of CAR-T Cell Therapy on Immune Cells and Related Toxic Side Effect Analysis in Patients with Refractory Acute Lymphoblastic Leukemia
| Indicators | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
| Fever | Body temperature ≥ 38°C | Body temperature ≥ 38°C | Body temperature ≥ 38°C | Body temperature ≥ 38°C | Hypotension | No | No need to use antihypertensive drugs | 1 antihypertensive drug is required, with or without vasopressin | Multiple antihypertensive drugs are required (excluding vasopressin) | | | And/or | | | Hypoxemia | No | Need low flow nasal catheter oxygen inhalation | Need high flow nasal catheter oxygen inhalation and circulatory respirator | Need positive pressure ventilation |
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