relationship between osteogenesis imperfecta and spinal muscular atrophy

A 4-month-old female with osteogenesis imperfecta [OI] type II was admitted in PICU of our center due to severe respiratory distress and fever with a diagnosis of severe pneumonia, and mechanical ventilation was initiated. Due to severe hypotonia, NCV and EMG were performed, and spinal muscular atrophy [SMA] type I was diagnosed