The frequency of dressing changes depends on the specific situation:
1. Routine Change Cycle:
- Transparent dressings: Change every 5-7 days
- Gauze dressings: Change every 2 days
2. Special Circumstances:
- Change the dressing immediately if it becomes soiled, loose, or damp.
- Change the dressing immediately if there is exudation, tenderness, or infection at the insertion site.
3. Other Precautions:
- The recommended retention time for the indwelling catheter is 3-5 days, and should not exceed 7 days.
- It is recommended to change the dressing after infusion of irritating medications.