Demographics of SCD-SS patients on chronic red cell exchange
| . | Values or no. of patients . |
|---|---|
| No. of patients | 50 |
| Mean age, y | 23.5 |
| Male | 32 |
| Female | 18 |
| Mean weight, kg | 48.5 |
| Mean height, cm | 168.8 |
| Mean total blood volume, mL | 4699 |
| Mean pretransfusion hematocrit, % | 30.3 |
| Mean ferritin, ng/mL | 1064.6 |
| Goal pretransfusion hemoglobin S % | |
| <30% | 33 |
| <35-45% | 8 |
| <50% | 9 |
| Transfusion indication | |
| Stroke/secondary stroke prevention | 23 |
| Abnormal transcranial Doppler/primary stroke prevention | 16 |
| Recurrent acute chest syndrome | 5 |
| Pulmonary hypertension | 2 |
| Cerebral vasculopathy/transient ischemic attacks | 2 |
| Priapism | 1 |
| Cardiac disease | 1 |
| Hemodilution | |
| Hemodiluted | 24 |
| Not hemodiluted | 26 |
| Chelation | |
| On chelation therapy | 10 |
| Not on chelation therapy | 40 |
| . | Values or no. of patients . |
|---|---|
| No. of patients | 50 |
| Mean age, y | 23.5 |
| Male | 32 |
| Female | 18 |
| Mean weight, kg | 48.5 |
| Mean height, cm | 168.8 |
| Mean total blood volume, mL | 4699 |
| Mean pretransfusion hematocrit, % | 30.3 |
| Mean ferritin, ng/mL | 1064.6 |
| Goal pretransfusion hemoglobin S % | |
| <30% | 33 |
| <35-45% | 8 |
| <50% | 9 |
| Transfusion indication | |
| Stroke/secondary stroke prevention | 23 |
| Abnormal transcranial Doppler/primary stroke prevention | 16 |
| Recurrent acute chest syndrome | 5 |
| Pulmonary hypertension | 2 |
| Cerebral vasculopathy/transient ischemic attacks | 2 |
| Priapism | 1 |
| Cardiac disease | 1 |
| Hemodilution | |
| Hemodiluted | 24 |
| Not hemodiluted | 26 |
| Chelation | |
| On chelation therapy | 10 |
| Not on chelation therapy | 40 |