[Epidemiological and demographic analysis of indications for Baha® surgery in Poland--multicenter study].
OBJECTIVE
To collect and analyze epidemiological and demographical data of patients qualified for and implanted with the Baha® system in Poland.


METHODS
17 out of 28 otolaryngology departments performing Baha® implantation in Poland participated in the study. Up to date there were 286 patients registered in database. Data were obtained from the preoperative questionnaires including information such as age and gender, indications for the implantation, previous hearing aid use as well as data regarding the surgical technique.


RESULTS
The most frequent indication for the Baha® system was bilateral mixed hearing loss (51%), followed by SSD (18%), bilateral conductive hearing loss (17%), unilateral mixed (8%) and conductive (6%) hearing loss. In 11% of subjects hearing impairment was congenital versus 89% cases of acquired. The mean age was 44 years with the slight prevalence of women (52%). 63% of patients did not have previous experience with hearing aids. The most frequent surgical technique was classic dermatome single stage procedure performed under general anesthesia (65%).


CONCLUSIONS
Data gather in this multicentre research serve as a valuable source of information on qualifications for the Baha®, shows demographic spectrum of adult recipients in Poland. It also presents the preferences of surgical procedures. Outcomes of the study may constitute a reference for each centre participating in this research as well as for new centers starting the Baha® procedure.
Klinika Otolaryngologii i Onkologii Laryngologicznej UM w Poznaniu, Poland.
Witold
W
Szyfter
Lukasz
L
Borucki
Paweł
P
Dobosz
Wojciech
W
Domka
Maria
M
Drela
Wojciech
W
Gawęcki
Renata
R
Gibasiewicz
Grzegorz
G
Grajewski
Grażyna
G
Horbacz-Jary
Witold M
WM
Iciek
Andrzej
A
Jankowski
Dariusz
D
Jurkiewicz
Bogdan
B
Kibiłda
Michał
M
Kida
Dariusz
D
Komar
Joanna
J
Kuśmierczyk
Krzysztof
K
Maron
Tomasz
T
Matuszczyk
Tadeusz
T
Mierzwa
Józef
J
Mierzwiński
Ewa
E
Olszewska
Katarzyna
K
Przytuła-Kandzia
Marek
M
Pyd
Czesław
C
Stankiewicz
Maciej
M
Stieler
Aleksandra
A
Slaska-Kaspera
Maciej
M
Wróbel
Marek
M
Zadrożniak
D000328:Adult; D002908:Chronic Disease; D015897:Comorbidity; D003638:Deafness / Q000453:epidemiology / Q000517:prevention & control*; D003710:Demography; D004423:Ear / Q000002:abnormalities* / Q000601:surgery*; D005260:Female; D006310:Hearing Aids / Q000706:statistics & numerical data*; D046089:Hearing Loss, Mixed Conductive-Sensorineural / Q000453:epidemiology* / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010033:Otitis Media / Q000453:epidemiology* / Q000628:therapy; D011044:Poland / Q000453:epidemiology; D016896:Treatment Outcome