Table 2 Characteristics of APS in NMOSD patients
Presentation of the Area postrema syndrome (n, %) | |
 Nausea and vomiting | 14 (70%) |
 Nausea, vomiting and hiccough | 6 (30%) |
Duration of the Area postrema syndrome in days (IQR) (Range) | 20 (7–90) |
Objective weight loss (n, %) | 6 (30%) |
Endoscopic maneuver (n, %) | 6 (30%) |
Timing of the Area postrema syndrome attack (n, %) | |
 Initial presentation | 12 (60%) |
 Subsequent attacks | 8 (40%) |
Association with other core symptoms (n, %) | Â |
 Isolated APS (> 7 days) | 7 (35%) |
 APS followed by another core criteria in the same attack (< 4 weeks) | 13 (65%) |
Other core symptoms following APS (n, %) | |
 Acute myelitis | 20 (100%) |
 Optic neuritis | 7 (35%) |
 Acute brain stem syndrome | 9 (45%) |