Obstructive Sleep Apnea Clinical Trial
Official title:
Analysis of Snore Sound Following Minimal Invasive Surgery in Sleep-disordered Breathing Patients
1. Background:The methods of anti-snore (treatment of snoring ) can be divided into
conservative, invasive and minimal invasive treatment. IN brief, minimal invasive
surgery involving radiofrequency and pillar implant demonstrates significantly
improvement of snoring without major complication. Previous studies usually evaluated
snoring through subjective measures such as visual analog scale visual analog scale.
Rare reports analyzed snore sound instrumentally and no report demonstrates the
correlation between subjective perception and objective assessment of snoring before
and after surgical intervention.
2. Purposes:
1. Development of snore sound spectrum.
2. Exploration of the correlation between subjective perception and objective
assessment of snoring.
3. Comparison of changes in snoring before and after minimal invasive surgery and
between two kinds of MIS to have a understanding of surgical impact in subjective
and objective measurement.
3. Method:We plan to enroll 30 subjects diagnosed by polysomnography as simple snoring or
mild OSA with major complaint of snoring and favorable anatomic structure for minimal
invasive surgery. All eligible subjects will be instructed the purpose, process and all
related rights of this study and sign inform consent in outpatient clinic. Subjects
start to complete Snore Outcome Survey (SOS, a validated questionnaire) and visual
analog sure of snoring (VAS). Objective overnight snore sound recoding is arranged in
sleep center. Subjects then receive minimal invasive surgery:radiofrequency or pillar
implant of the soft palate by randomization. Both radiofrequency and pillar implant are
common techniques in treating snoring and performed under local anesthesia as an
outpatient procedure on sitting position. All subjects received repeated snore sound
recording and completion of SOS and VAS three months after MIS.
4. Outcomes
1. Development of snore sound spectrum in sleep-disorder breathing patients.
2. Correlation of parameters between snore sound recording (loudness, frequency,
count, regularity, etc ) and clinical parameters.
3. Correlation between objective (snore sound analysis) and subjective (SOS,VAS)
assessment of snoring.
4. Comparison of changes in snoring (particular in objective assessment) after
radiofrequency or pillar implant.
5. Comparison of changes in snoring between radiofrequency and pillar implant.
Status | Completed |
Enrollment | 30 |
Est. completion date | July 2013 |
Est. primary completion date | July 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 20 Years to 60 Years |
Eligibility |
Inclusion Criteria: 1. simple snoring or mild obstructive sleep apnea 2. major complaint of snoring 3. favorable anatomic structure for minimal invasive surgery. Exclusion Criteria: 1. moderate or severe obstructive sleep apnea 2. pathological obesity 3. significant craniofacial anomaly 4. elderly 5. unfavorable anatomic structure for minimal invasive surgery. |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Taiwan | Chang Gung Memorial Hospital | Kweishan | Taoyuan |
Lead Sponsor | Collaborator |
---|---|
Chang Gung Memorial Hospital | National Science Council, Taiwan |
Taiwan,
Lee LA, Yu JF, Lo YL, Chen NH, Fang TJ, Huang CG, Cheng WN, Li HY. Comparative effects of snoring sound between two minimally invasive surgeries in the treatment of snoring: a randomized controlled trial. PLoS One. 2014 May 9;9(5):e97186. doi: 10.1371/journal.pone.0097186. eCollection 2014. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in VAS Score After MIS | The mean change in subjective snoring severity (VAS) at 3 months after MIS was the primary outcome measurement. | baseline and 3 months following surgery | No |
Secondary | Change in SOS Score After MIS | Change in SOS score at 3 months after radiofrequency or pillar implant were calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in Total-SI After MIS | Percent change ([after value-before value]/[before value]*100) in Total-SI (event/hour) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in Total-Imax After MIS | Percent change ([after value-before value]/[before value]*100) in Total-Imax (dB) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in Total-Imean After MIS | Percent change ([after value-before value]/[before value]*100) in Total-Imean (dB) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in Total-Fpeak After MIS | Percent change ([after value-before value]/[before value]*100) in Total-Fpeak (Hz) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in Total-Fmean After MIS | Percent change ([after value-before value]/[before value]*100) in Total-Fmean (Hz) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in B1-SI After MIS | Percent change ([after value-before value]/[before value]*100) in B1-SI (event/hour) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in B1-Imax After MIS | Percent change ([after value-before value]/[before value]*100) in B1-Imax (dB) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in B1-Imean After MIS | Percent change ([after value-before value]/[before value]*100) in B1-Imean (dB) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in B1-Fpeak After MIS | Percent change ([after value-before value]/[before value]*100) in B1-Fpeak (Hz) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
Secondary | Percent Change in B1-Fmean After MIS | Percent change ([after value-before value]/[before value]*100) in B1-Fmean (Hz) before and at 3 months after surgery was calculated. | baseline and 3 months following surgery | No |
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