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. 2017 Jan;29(90):23–28.

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