to study the benefical audiological and/or otological effect by mordified restoration of tensor veli palatini in cleft palate repair compared to traditional Langenbeck's repair and merely levator veli palatini restoration.
71 patients with cleft palate received surgery were divided into 3 groups. Group 1: patients who received Langenbeck surgery without specific restoration of levator veli palatini or tensor veli palatini. Group 2: patients who received palate surgery with special levator veli palatini restoration. Group 3: patients who received palate surgery with modified tensor veli palatini restoration. The conductive auditory brainstem response and 226 Hz tympanometry were used to test the audiological and otological status of the three groups. Preoperative and postoperative results were compared intragroup and intergroup.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
71
restoration of tensor veli palatini for the purpose of the muscle function recovery.
Hearing level
Auditory brainstem response was tested in all three groups after surgery. The air conductive hearing threshold was used to assess the hearing level.
Time frame: 3 months after surgery
The otological status of middle ear
226 tympanometry was tested in all three groups after surgery. The results of 226 Hz tympanometry were classified based on Liden/Jerger classification. Four classes of tympanometry results were included.
Time frame: 3 months after surgery
Hearing level
Auditory brainstem response was tested in all three groups before surgery. The air conductive hearing threshold was used to assess the hearing level.
Time frame: 0 to 3 months before surgery
The otological status of middle ear
226 tympanometry was tested in all three groups before surgery. The results of 226 Hz tympanometry were classified based on Liden/Jerger classification. Four classes of tympanometry results were included.
Time frame: 0 to 3 months before surgery
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