The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association · 2022
Effects of RME on Hearing in UCLP Patients: A Pilot Study.
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Fatima Kaleem, Chaudhari Prabhat Kumar, Duggal Ritu, Kharbanda Om P, Thakar Alok
Аннотация
OBJECTIVE: To assess the changes in hearing after rapid maxillary expansion (RME) and at the end of 6 months retention period in complete unilateral cleft lip and palate (UCLP) patients using pure tone audiometry and tympanometry test.
DESIGN: Prospective pilot study.
SETTING: Tertiary health care teaching hospital in New Delhi.
PATIENTS: This study was conducted on 6 UCLP patients in the age range of 6-14 years with normal ear anatomy. All 6 patients had undergone primary repair of cleft lip and palate and required no more than 5 mm expansion in the intermolar region.
INTERVENTION: RME was done using a Hyrax expander with daily activation of one-quarter turn per day for a period of 15-20 days (0.25 mm per day).
MAIN OUTCOME MEASURE: Audiometry and tympanometry readings at the baseline as compared to the post expansion and at the end of 6 months retention period.
RESULTS: There were no significant changes in the hearing levels on the audiometry test after RME on the cleft side (p-value -0.51) and the noncleft side ear (p-value -0.26). No significant changes were observed in the middle ear volume on the tympanometry test after RME on the cleft side (p-value -0.09) and the noncleft side ear (p-value -0.28).
CONCLUSION: There was no improvement or deterioration in the hearing levels after RME and at the end of 6 months retention period in UCLP patients as evaluated using pure tone audiometry and tympanometry test. Hence RME may be undertaken in UCLP patients safely in terms of hearing is concerned.
DESIGN: Prospective pilot study.
SETTING: Tertiary health care teaching hospital in New Delhi.
PATIENTS: This study was conducted on 6 UCLP patients in the age range of 6-14 years with normal ear anatomy. All 6 patients had undergone primary repair of cleft lip and palate and required no more than 5 mm expansion in the intermolar region.
INTERVENTION: RME was done using a Hyrax expander with daily activation of one-quarter turn per day for a period of 15-20 days (0.25 mm per day).
MAIN OUTCOME MEASURE: Audiometry and tympanometry readings at the baseline as compared to the post expansion and at the end of 6 months retention period.
RESULTS: There were no significant changes in the hearing levels on the audiometry test after RME on the cleft side (p-value -0.51) and the noncleft side ear (p-value -0.26). No significant changes were observed in the middle ear volume on the tympanometry test after RME on the cleft side (p-value -0.09) and the noncleft side ear (p-value -0.28).
CONCLUSION: There was no improvement or deterioration in the hearing levels after RME and at the end of 6 months retention period in UCLP patients as evaluated using pure tone audiometry and tympanometry test. Hence RME may be undertaken in UCLP patients safely in terms of hearing is concerned.