Studies comparing the outcomes of various approaches for pseudocyst drainage
| Authors | Sample size | Clinical success (%) | Hospital stay (days) | Reintervention (%) | Mortalities (%) | Adverse events (%) | Bleeding (%) | Intra-abdominal infection (%) |
| Varadarajulu24 | EUS: 20 | 95 | 2 (1–4)* † | 5 | 0 | 0 | 0 | 0 |
| Open: 20 | 100 | 6 (5–9)* | 5 | 0 | 2 | 1 | 0 | |
| Melman25 | EUS: 45 | 51.1† | 3.9 (0–25)‡ | – | 0 | 15.6 | 2.2 | 0 |
| Lap: 16 | 87.5 | 6.9 (3–23)‡ | – | 0 | 25 | 12.5 | 0 | |
| Open: 22 | 81.2 | 10.8 (4–82)‡ | – | 0 | 22.7 | 0 | 0 | |
| Varadarajulu26 | EUS: 20 | 95 | 2.6 (1–11)†‡ | 0 | 0 | 0 | 0 | 0 |
| Open: 10 | 100 | 6.5 (4–20)‡ | 10 | 0 | 0 | 0 | 0 | |
| Park27 | EUS: 31 | 89 | – | 6.5 | 0 | 7 | 3.2 | – |
| EGD: 29 | 86 | – | 6.5 | 0 | 10 | 6.9 | – | |
| Varadarajulu29 | EUS: 15 | 100† | 2 (1–9)* | – | 0 | 0 | 0 | – |
| EGD: 15 | 33 | 1 (1–8)* | – | 6.7 | 13.3 | 13.3 | – | |
| Kahaleh34 | EUS: 46 | 84 | – | 10.9 | 0 | 19.6 | 4.3 | 8.7 |
| EGD: 53 | 91 | – | 9.4 | 0 | 18.9 | 1.9 | 7.5 |
*Values are mean (IQR).
†Indicates significant differences between the two groups.
‡Values are mean (range) except otherwise indicated.
EGD, oesophagogastroduodenoscopy drainage; EUS, endoscopy ultrasonography drainage; Lap, laparoscopic drainage; Open, open drainage.