Table 1.
Characteristics of studies included in the systematic review
| Author | Country | Enteroscopy | Sedation | Insufflation | Patients | Age | Gender | Oral | Anal |
|---|---|---|---|---|---|---|---|---|---|
| Year | number | ±SD | M/F | approach | approach | ||||
| Domagk | Germany | Double-balloon | Pethidine with | CO2 | 48 | 55.6 ± 18.7 | 28/20 | 30 | 18 |
| 2007 | Norway | Propofol or midazolam | air | 52 | 55.2 ± 21.3 | 27/25 | 29 | 23 | |
| Hirai | Japan | Double-balloon | Midazolam with | CO2 | 20 | 42.7 ± 17.9 | 13/7 | 2 | 18 |
| 2011 | Buprenorphine | air | 20 | 46.3 ± 18.2 | 15/5 | 3 | 17 | ||
| Lenz | Germany | Single-balloon | Propofol | CO2 | 52 | 56.5 ± 17.9 | 23/29 | 48 | 32 |
| 2014 | Italy | ±Pethidine | air | 55 | 56.7 ± 17.6 | 30/25 | 50 | 39 | |
| Li | China | Single-balloon | General anesthesia | CO2 | 106 | 41.2 ± 14.3 | 65/41 | 19 | 14 |
| 2014 | air | 108 | 40.5 ± 17.6 | 60/48 | 16 | 14 |