Table II.
Questionnaire regarding safety and side effects of platelet-rich plasma injections
| Questions on a scale of 1-10 | Case 1 | Case 2 | Case 3 | Case 4 |
|---|---|---|---|---|
| Initial injection site discomfort | 2-3 | 5 | 5 | 5 |
| Injection site discomfort 4 h after the procedure | 1 | 5 | 0 | 0 |
| Injection site discomfort 24 h after the procedure | 0 | 3 | 0 | 2 |
| Headaches | 0 | 0 | 0 | 0 |
| Pruritus of the scalp | 0 | 0 | 0 | 0 |
| Ecchymoses | 0 | 0 | 0 | 0 |
| Infection | 0 | 0 | 0 | 0 |
| Increased hair loss | 0 | 0 | 0 | 0 |
| Increased shedding | 0 | 0 | 0 | 0 |
| Keloids | 0 | 0 | 0 | 0 |
| Orthostatic hypotension | 0 h | 0 h | 0 h | 2 d |
| Time to return to regular activities | 0 h | 3 h | 0 h | 2 d |