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The relationship between facial fractures and death from neurologic injury
B R Plaisier1, A P Punjabi, D M Super
1MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA. plaisieb@bronsonhg.org
Purpose:
The purpose of this study was to review patients who failed to survive blunt trauma and to determine whether there is a relationship between specific facial fracture patterns and death.
Patients And Methods:
This was a retrospective record review of patients with facial fractures admitted to a level I trauma center between January 1, 1993 and December 31, 1996. Records were reviewed for gender, age, injury severity score (ISS), Glasgow Coma Scale (GCS), revised probability of survival (RPS), cause of death, and facial fracture pattern. Facial fracture patterns were grouped as lower face (mandible), midface (maxilla, zygoma, nose, and orbits), and upper face (frontal bone). Causes of death were grouped into neurologic, visceral, combined neurologic and visceral, and other. Surviving and nonsurviving groups were compared. Parametric data were analyzed with a pooled or separate variance t-test, nonparametric data with a Mann-Whitney U-test, and categorical variables with a chi-square test (P < or = .05). The odds ratio with corresponding 95% confidence intervals was used to show the association between facial fracture patterns and death.
Results:
During the 4-year period, 6,117 patients were admitted with blunt trauma, 661 (11%) of whom had facial fractures. Those who died were more likely to be older than those who survived, with a lower GCS, lower RPS, and higher ISS. Although there was a male predominance in the patient population, there was no gender difference between those who died and those who survived. Surviving patients were more likely to have only isolated mandible injuries. Nonsurvivors were more likely to have isolated midface fractures or combinations of midface and other facial fractures. The odds ratio showed a 13 to 75 times greater risk of patients dying of neurologic injury with patterns other than isolated mandible injury than with any mid- or upper-facial fracture patterns.
Conclusions:
Compared with survivors, nonsurviving patients with facial fractures were older and had a lower GCS, higher ISS, and lower RPS. Nonsurviving patients had a dramatic predilection for mid- and upper-facial fracture patterns and death of neurologic injury.
