12 / 21 / 06 - records received and reviewed for DOS 11 / 7 / 06 - 12 / 2 / 06 DC DX : Guillan Barre syndrome respiratory failure requiring intubation secondary to Guilland Barre syndrome status post tracheostomy leukopenia secondary to Neurontin positive cerebrospinal fluid for Lyme serology Panic disorder chronic back pain history of old tobacco usage history of chronic obstructive pulmonary disease .