Table 3.
Troubleshooting
| Immediate Cause of Adverse Event | Time (days) | Details | Processing method | |
|---|---|---|---|---|
| Patient 1 | Fistula puncture | 26 | The intima of the blood vessels thickened |
1. Reconstruction of the arterial tunnel 2. Remote instruction for injection |
| The chlorine test of reverse osmosis water was unqualified | 1 | The chlorine in the tap water had increased | Installed carbon canister | |
| Bicarbonate supply line air alarm | 8 | Winter indoor temperature was low, B powder in B-bag was hard to dissolve | Changed to B liquid | |
| Fistula puncture | 8 | Arterial puncture site flap formation | Adjusted puncture direction | |
| Water treatment leakage | 1 | One of the valves was not tightened | Engineer arrived to handle the problem | |
| Patient 2 | Fistula puncture | 1 | Psychological factors | Adjusted puncture direction |
| Transient hypotension and syncope | 1 | The ultrafiltration setting was incorrect | Video guidance, blood return with the help of family members | |
| The hardness of dialysis water exceeded the standard | 6 | Tap water quality was hard | Added a softening device | |
| Water treatment leakage | 1 | The booster pump overheated | Changed the booster pump | |
| Arterial pressure alarm during hemodialysis and difficult injection. | 30 | Hyperplasia of the subcutaneous tunnel intima | Returned to the dialysis center, Reconstructed the tunnel | |
| Patient 3 | Coagulation | 1 | Forgot the heparin | Finished the dialysis manually under the guidance of a nurse by internet remote monitoring |