| Author(s), publication time | Number of patients | Diagnosis | Mean age | Type of operation | Complications |
| Valniček et al. 1994 [36] | 219 (1985–1992) | VPI | 9.6 years | Sup.based flap | bleeding: 18, reintub: 3, airway obstruction: 20, OSAS: 9, death: 1 |
| Pena et al. 2000 [37] | 88 (1983–1997) | VPI | | Flap palatoplasty | airway obstruction: 7, OSAS: 1, apnea: 1, death: 1, aspiration: 2 |
| Sie et al. 2001 [38] | 48 | CP, VPI syndromes | 6.5 years | Furlow | palatal fistula: 2 |
| Hofer et al. 2002 [39] | 275 (10 years) | | | Sup. and inf. based flap | bleeding: 2, reintub.: 1, dehiscence of flap: 9 |
| Nakamura et al. 2003 [40] | 15 | CP, VPI | | Intravelar veloplasty | partial flap necrosis: 2 |
| Morita et al. 2004 [41] | 18 | CP, VPI | children | Sup.bas.flap | OSAS: 2, tracheot.:1 |
| Chegar et al. 2007 [42] | 54 (1996–2003) | VPI | children | Sup.bas.flap | bleeding: 3, transf: 1, snoring: 4, OSAS: 0 |
| Cole et al. 2008 [43] | 222 | VPI | 6.4 years | Sup.phar. flap | infection: 1, bleeding: 3, OSAS: 5 |
| Keuning et al. 2009 [33] | 130 | VPI | | Sup.bas.flap | bleeding: 1, dehiscences: 3 |
| Ysunza et al. 2009 [44] | 29 (2000–2007) | VCFS | | Flap: 20, Sphincter: 9 | no complications |
| Leuchter et al. 2010 [45] | 18 (2004–2007) | mild VPI | | Augmentation, diff. implants | hematoma: 1, cervical pain: 1 |
| Sullivan et al. 2010 [46] | 104 (1981–2008) | CP, VPI | 8.6 years | Sup.bas.flap | OSAS: 2 |
| Kilpatrick et al. 2010 [47] | 36 (2003–2009) | CP,VCFS | 8.1 years | Sphincteroplasty | fever: 2, bleeding: 1, allergy: 1, O2 therapy: 4 |
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