Table 3.
Neurological diagnoses in 212 H1N1 case reports reviewed by CISA
| Diagnosis | No. of case reports in this group (n = 212) | % of total case reports reviewed |
|---|---|---|
| Guillain-Barré Syndrome (GBS) 75 met Brighton Collaborationa diagnostic criteria, 4 did not but were physician diagnosed. |
79 | 37.3 |
| Seizure | 23 | 10.8 |
| Cranial Neuropathy | 12 | 5.7 |
| Demyelinating disorder of unclear etiology | 9 | 4.2 |
| Acute Demyelinating Encephalomyelitis (ADEM) | 8 | 3.8 |
| Weakness of unclear etiology | 8 | 3.8 |
| Cerebrovascular Disease | 7 | 3.3 |
| Encephalitis | 7 | 3.3 |
| Parasthesias | 7 | 3.3 |
| Psychogenic | 7 | 3.3 |
| Demyelinating disorder of known etiology | 7 | 3.3 |
| Sensory Neuropathy | 5 | 2.4 |
| Meningitis | 4 | 1.9 |
| Movement Disorder | 3 | 1.4 |
| Syncope | 2 | 0.9 |
| Miscellaneousb | 24 | 11.3 |
a
Brighton Collaboration[10]
b
Acute Vestibular Neuritis, Acute Vestibular Neuritis, Memory loss, Migraine, Speech impairment, Hearing loss, Hypertensive encephalopathy, Brachial plexopathy, Possible Corticobasilar Degeneration Syndrome, Myastenia Gravis exacerbation, Pain syndrome, Diabetic Radiculopathy, Degenerative Disc Disease of the Spine, Dystonia, Cerebellitis, Diffuse body numbness/pain, Brain tumor, Myalgias, Nonspecific disease, Transverse Myelitis vs Neoplasm, Spinal stenosis, Fluctuating neurological symptoms, , ADEM vs transverse myelitis vs tumor, Idiopathic Thrombocytopenic Purpura