Page 62 - Revista Portuguesa - SPORL - Vol 63. Nº2

Table 4
Materials used for ossicular reconstruction

CWD CWU Atticotomy
Direct interposition of autologous material 25 30 2
(fascia or tragus cartilage with perichondrium)
Materials used for PORP 4 8 0
ossicular TORP 5 2 0
reconstruction
Molded ear ossicles 8 12 0
Total 42 52 2

Note: All TORPs and PORPs were placed in conjunction with autologous material
was no significant difference between the B) gap was 29,3 dB, and the average PTA was
mean follow-up time before surgery between 50,1dB (chart 4 and 5).
the groups with cholesteatoma extending There was no significant difference between
into one or multiple sites (p=0.32). Overall, 43 patients which had cholesteatoma in only one
patients underwent a CWD procedure (44,3%), site or multiple sites, regarding pre-operative
52 underwent a CWU mastoidectomy (53,6%) mean PTA or A-B gap, (p=0.684 and p=0.717,
and in the remaining two, an aticotomy was respectively). However, a significant difference
performed. Ossicular chain reconstruction was seen regarding mean PTA between
was attempted as a single staged surgery patients which showed signs of ossicular
in 76 cases, of which 41 (53,2%) were type 2 erosion with stapes preservation (mean 47,8
tympanoplasties and 36 (46,8%) were type 3 dB ± 16,8) and those in which the stapes
(chart 3). The materials used for ossicular chain suprastructure was affected (mean 55,3 ±
reconstruction are summarized in table 4. 15,9), p=0.038. Considering hearing outcomes
The overall average pre-operative air-bone (A- (table 5), in the CWU group, the average

Chart 4
Preoperative PTA

166 Revista Portuguesa de Otorrinolaringologia - Cirurgia de Cabeça e Pescoço