Table 5.
Literature review of post-operative hearing outcomes in stapes surgery regarding the type of prosthesis
| Author (yr ) |
Type of prosthesis
(number) |
Duration of follow-up |
ABG ≤10dB
(%) |
ABG ≤20dB
(%) |
Conclusion |
|---|---|---|---|---|---|
| Current study | Causse loop piston (63) Soft-clip (57) |
At least 6 months |
36.5 38.6 |
80.9 86.0 |
Similar good results with both prostheses. Causse loop piston was moderately better at low frequencies |
| Mangham (2010)(7) | Platinum piston (144) Nitinol–Teflon piston (44) |
NRa | 96 92 |
100 100 |
No significant difference in ABG closure (better mean ABG in lower frequencies in Nitinol–Teflon group) |
| Fayad et al (2009)(8) |
SMart piston (306) Richards' Platinum piston (110) |
5.6 months | 78.3 84.2 |
94.2 98.0 |
Similar audiometric outcomes |
| Van Rompaey et a 2009)(9) |
Teflon (211) Teflon wire (168) Titanium (112) Clip piston (49) Smart (74) |
12 months | Overall 63.6 |
Overall 92.6 |
5 group had no difference in ABG closure |
| Mangham (2008 )(10) |
Teflon piston 0.5 mm (74) Teflon piston 0.6 mm (74) Titanium clip piston (33) |
1 year | 85 91 84 |
NR | Teflon piston achieved better result than Titanium clip piston |
| Schrotzlmair et al (2013)(11) |
Self -crimping Nitinol (Thermo Dummy) (21) Titanium K-piston (28) Clip piston a`Wengen (13) |
70.7 days 89.6 days 163.1 days |
76.2 53.6 23.1 |
95.2 89.3 69.2 |
ABG closure was better in self –crimping Nitinol especially in comparison with clip piston (a`Wengen) |
| Ying et al (2010)(12) | SMart (Teflon-based piston Nitinol) (190) Manual–crimp platinum; De La Cruz (145) |
NR | NR | NR | 11% Revision rate was seen in SMart group and 4% in De La Cruz group |
| Huber et al (2008)(13) | Conventional (75) Nitinol smart (75) |
At least 12 months |
43 71 |
92 94 |
Similar in ABG closure within 20 dB. better ABG closure within 10 db for Nitinol SMart |
| Tange and Grolman (2008 )(14) |
Titanium K-piston (63) Clip piston a`Wengen (63) |
NR | 65 71 |
87.1 91 |
Similar audiometric outcomes |
| Brown and Gantz (2007)(5) | Platinum wire piston (39) Nitinol piston (40) |
20 months 9 months |
NR | NR | Similar audiometric outcomes |
| Massey et al (2005)(4) |
Kurz titanium K- piston (35) Teflon platinum wire (183) |
4 months | 71 86 |
97.1 97.8 |
Similar audiometric outcomes |
| Zepeda-Lopez et al (2005)(15) | Schuknecht Teflon wire piston (70) Fluoroplastic Teflon (76) |
NR | 57.1 93.4 |
NR | Fluoroplastic Teflon had better ABG closure in all frequencies |
a
NR: not reported