Scoliosis Idiopathic Adolescent Clinical Trial
Official title:
Lung Regeneration After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis
Verified date | July 2018 |
Source | Children's Hospital Medical Center, Cincinnati |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Adolescent Idiopathic Scoliosis (AIS) is a curvature of the spine that occurs in 1-2% of otherwise healthy children, and requires corrective surgery, posterior spinal fusion (PSF) in ~10% of cases. Some studies suggest that pulmonary function is reduced in AIS and that PSF improves pulmonary function. The lung is composed of a large number of branching airways that terminate in gas exchanging units called alveoli, and the number and structure of these alveoli are partially dependent upon lung volume and the forces to which they are exposed--two factors predicted to be altered in AIS. This study uses MRI imaging of inhaled helium to quantify alveolar structure in children with and without AIS before and one-year after PSF. The goals of the study are to determine if alveolar architecture or number are altered in AIS and whether PSF impacts these same measures.
Status | Completed |
Enrollment | 29 |
Est. completion date | May 31, 2018 |
Est. primary completion date | May 31, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 8 Years to 21 Years |
Eligibility |
Inclusion Criteria: 1. Be diagnosed with AIS. 2. Have a Cobb Angle > 50°. 3. Be recommended for PSF. 4. Be between the ages of 8 and 21 years old (inclusive) at the time of surgery. 5. Be able to perform the required 10 second inspiratory hold and remain lying still for that time period without the need for sedative medication (as assessed at time of enrollment). 6. Have a primary caregiver who agrees to attend all required points of contact for this study (if under the age of 18). Exclusion Criteria: 1. Have had a previous spinal surgery. 2. Have other planned major surgeries during the study period. a. Minor surgeries such as G-tube revisions or dental procedures are permissible. 3. Have or had a history of any chronic lung disease apart from restrictive lung disease from scoliosis (e.g. cystic fibrosis, bronchopulmonary dysplasia, asthma, etc.). 4. Have a personal history of smoking 5. Require any supplemental oxygen at baseline. Home Biphasic Positive Airway Pressure (BiPAP) or Continuous Positive Airway Pressure (CPAP) is acceptable provided the participant can perform the required breath holds without these devices. 6. Have been born at <35 weeks gestational age. 7. Received mechanical ventilation in the first year of life. 8. Have a room air oxygen saturation of less than 95%. 9. Have any implanted metal device or hardware (apart from future orthopaedic hardware). 10. Be likely to move out of the Cincinnati area before the one year follow-up appointment. |
Country | Name | City | State |
---|---|---|---|
United States | Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio |
Lead Sponsor | Collaborator |
---|---|
Children's Hospital Medical Center, Cincinnati |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in Alveolar Size | Calculated mean linear intercept as determined by diffusion measurements in HHe MRI | Before posterior spinal fusion and one year after | |
Secondary | Change in Lung Volume | Measured right and left lung volumes as measured by proton MRI | Before posterior spinal fusion and one year after | |
Secondary | Change in Alveolar Number | Estimated number of alveoli in right and left lung as calculated from alveolar size and lung volume measures | Before posterior spinal fusion and one year after | |
Secondary | Altered Alveolar Size in AIS | Determine differences in mean linear intercept (MLI) as determined by HHe diffusion measurements in AIS vs control and AIS right vs left lung | 1 day | |
Secondary | Differences in Lung Volume in AIS | Determine differences in lung volume as determined by proton MRI in AIS vs control and AIS right vs left lung | 1 day | |
Secondary | Differences in Alveolar Number in AIS | Determine differences in estimated alveolar number as calculated using MLI and lung volume measures in AIS vs control and AIS right vs left lung | 1 day |
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