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Table 1 Cause of transient neurological disorder in 41 pregnant women and pathological findings on supplementary investigations

From: Migraine aura or transient ischemic attacks? A five-year follow-up case-control study of women with transient central nervous system disorders in pregnancy

Diagnosis N (%) Pathological findings with supplementary investigations
Migraine with aura 34 (82.9) MRI: one had signs of a previous stroke (incidental finding), two had unspecific white matter lesions ECG: three had right bundle branch block Ultrasound: one had a false positive finding
Stroke 2 (4.8) MRI: two had changes compatible with recent stroke Blood chemistry: one had positive antiphospholipid antibodies (IgG and IgS), positive antinuclear factor and lupus and lues antibodies; one had elevated fibrininogen, AT3, protein C, and low protein S and APC resistance, and was heterozygous for the factor V Leiden on gene testing
Presyncope 1 (2.4) Blood chemistry: anemia
MS 1 (2.4) MRI and cerebrospinal fluid: typical findings for MS
Epilepsy 1 (2.4) EEG: negative first year, later epileptogenic changes
CTS 2 (4.8) Median nerve neurography: pathological in both
  1. APC, activated protein C; AT3, antithrombin 3; CTS, carpal tunnel syndrome; ECG, electrocardiography; EEG, electroencephalography; MRI, magnetic resonance imaging; MS, multiple sclerosis.