Table 2.
The late sequelae in patients with asymptomatic walled-off necrosis who underwent outpatient expectant management
| Case no. | Sex/age (years) | WON size (mm) | Time to discharge from the onset of AP (days) | Time to a complication after discharge (days) | Type of complication | Treatment of complication | Follow-up timea (months) | Residual necrotic collection |
|---|---|---|---|---|---|---|---|---|
| 1 | M/41 | 162 | 34 | 8 | IPN | PCD | – | – |
| 2 | M/36 | 127 | 20 | 180 | IPN | PCD | – | – |
| 3 | M/37 | 130 | 44 | 105 | IPN | PCD | – | – |
| 4 | F/51 | 200 | 41 | 74 | IPN | PCD, MARPN | – | – |
| 5 | M/57 | 130 | 21 | 47 | IPN | PCD | – | – |
| 6 | M/65 | 170 | 27 | 49 | IPN | Endoscopic cystogastrostomy | – | – |
| 7 | M/37 | 107 | 21 | 33 | IPN | PCD, Open necrosectomy | – | – |
| 8 | M/55 | 85 | 56 | 48 | Intracavitary hemorrhage | PCD, MARPN, open necrosectomy | – | – |
| 9 | F/64 | 124 | 34 | 105 | Pain, subileus | Open necrosectomy | – | – |
| 10 | M/22 | 141 | 43 | – | None | – | 9 | 2 collections: 80 and 70 mm |
| 11 | M/30 | 140 | 26 | – | None | – | 7 | Resolved |
| 12 | M/31 | 80 | 20 | – | None | – | 53.5 | 55 mm |
| 13 | M/54 | 190 | 54 | – | None | – | 41.5 | Resolved |
| 14 | M/61 | 110 | 13 | – | None | Open cystogastrostomy | 15.5 | – |
| 15 | M/61 | 124 | 19 | – | None | Open cystojejunostomy | 22 | – |
| 16 | M/71 | 180 | 26 | – | None | Endoscopic cystogastrostomy | 17 | – |
AP acute pancreatitis, IPN infected pancreatic necrosis, PCD percutaneous catheter drainage, MARPN minimal access retroperitoneal pancreatic necrosectomy
aRefers to patients who remained asymptomatic during follow-up