Hemphill, 1999 USA,26 | Retrospective case series of 194 patients with late complications | 74 year old male, fall, salicylate therapy, no LOC or amnesia, no other symptoms | Early, normal | Returns 23 hours later, comatose, GCS 3 | After 25 hours, subdural hematoma | Unclear, died | 1 “false negative” case, symptom free at start, salicylate therapy |
Domenicucci, 1995, Italy,27 | Review article with 5 original and 45 earlier published cases | 31 year old woman, normal neurology after car accident | After 4 hours, normal | Depressed level of, consciousness, anisicoria, right sided weakness | After 21 hours, intracranial bleeding | Surgery, discharged to home after10 days | 1 ”false negative” case, few details given |
Ciquini Junior, 1992 Brazil,28 | Case report of two cases | 10 year old boy, fell from >2 metres, normal neurology | After 3 hours, normal | GCS lowered to 14 | After 21 hours, extradural haematoma | Surgery, discharged to home after 5 days | 1 “false negative” case, had both skull radiograph and CT, unclear why admitted after first CT |
Culotta, 1996 USA,21 | Retrospective case series of 3370 patients with GCS 13–15 | Six cases, no other history given, GCS 15 | “Early”, normal | Not stated | Not stated | Surgery, unclear | 6 possible cases, few details given, unclear time intervals. No further data delivered on request. |
Keskil, 1995 Turkey 29 | Retrospective case series of 257 children with GCS 14–15 | 6 year old boy, GCS 15 | Unclear, not stated | Clinical deterioration after 2 days | After 2 days, diffuse cerebral swelling | Unclear, died | 1 possible case, unclear if initial CT was carried out |
Arienta, 1997 Italy, 30 | Retrospective case series of10000 head injuries | Patient with epilepsy admitted for observation, GCS 15 | Early, normal | Clinical deterioration | Unclear, intracranial haemorrhage | Unclear, unclear | 1 possible case, few details given, unclear time intervals |
Total | | | | | | | 11 cases |