Table 1.
Cumulative effectiveness of pneumatic dilators for the treatment of achalasia.
| Author (year) | Article type | No. of patients | Type of dilator (size, cm) |
Success (%) | Mean follow-up (yrs.) |
|---|---|---|---|---|---|
| Vela (2006) [8] | Retrospective study | 106 | 3.0-4.0 | 28-62 | 3.2 |
|
| |||||
| Chuah (2009) [9] | Prospective study | 32 | 3.0 | 69-91 | 4.5 |
|
| |||||
| Hulsemans (2010) [10] | Retrospective study | 209 | 3.0-4.0 | 72 | 5.8 |
|
| |||||
| Tanaka (2010) [11] | Retrospective study | 55 | 3.0-3.5 | 74.5 | 2.3 |
|
| |||||
| Gupta (2017) [12] | Retrospective study | 72 | 3.0-4.0 | 60-91% | 3 |
|
| |||||
| Müller (2018) [13] | Retrospective study | 107 | 3.0-4.0 | 36-64% | 13.8 |
|
| |||||
| Lee (2018) [14] | Prospective study | 29 | 3.0-3.5 | 96.6% | 1.5 |