Comparative Pulmonary Function Test Between Phrenic Nerve Transfers and Other Nerve Transfers in Patients over 40 Years Old with Brachial Plexus Injury
Recruiting
- Conditions
- Brachial plexus injured patient who underwent phrenic nerve transfer or other nerve transferPhrenic nerveNerve transferBrachial plexusBrachial plexus injuryBrachial plexus palsypulmonary function testDiaphragmatic paralysis
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 44
Inclusion Criteria
1. traumatic brachial plexus injured patient who underwent nerve transfer to restore elbow flexion or shoulder abduction at Siriraj hospital at least 5 years
2. age 40 and above at operation time
3. available preoperative pulmonary function test
Exclusion Criteria
1. history of chest trauma
2. evidence of pre-existing pulmonary disorders before nerve transfer surgery e.g. COPD, asthma, or congestive heart failure
3. pre-operative diagnosis of diaphragmatic paralysis
4. negative intra-operative phrenic nerve stimulation
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method FVC (Forced Vital Capacity) At least 5 years after surgery %predicted
- Secondary Outcome Measures
Name Time Method FEV1 (Forced Expiratory Volume in one second) At least 5 year after surgery %predicted,FEV1/FVC At least 5 year after surgery %predicted,Supine FVC At least 5 year after surgery %predicted and litre (L),MIP (Maximal Inspiratory Pressure) At least 5 year after surgery cmH2O,MEP (Maximal Expiratory Pressure) At least 5 year after surgery cmH2O,mMRC ( modified Medical Research Council dyspnea scale) At least 5 year after surgery Scale (0-4),Quality of Life (EQ-5D-5L) At least 5 year after surgery Score