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Pulmonary contusions in the elderly after blunt trauma: incidence and outcomes
Amanda Bader1, Uzma Rahman1, Matthew Morris1
1Division of Trauma, Department of Surgery, Stony Brook University School of Medicine, Stony Brook, New York.
Insights
Pulmonary contusions (PCs) affect over 18.6% of elderly blunt chest trauma patients, often from low-energy incidents. These injuries are linked to increased complications and mortality, necessitating thorough investigation for associated trauma.
Area of Science:
- Trauma Surgery
- Geriatric Medicine
- Pulmonary Medicine
Background:
- Pulmonary contusions (PCs) are common in general blunt chest trauma but understudied in the elderly.
- Limited research exists on the incidence and outcomes of PCs specifically in older adults.
Purpose of the Study:
- To evaluate the incidence and outcomes of pulmonary contusions (PCs) in elderly patients admitted with blunt thoracic trauma.
- To identify associations between PCs and other injuries, complications, and mortality in this demographic.
Main Methods:
- Retrospective review of a level I trauma center registry from 2007-2015.
- Inclusion criteria: blunt thoracic trauma patients aged ≥65 years.
- Analysis of medical records for patients with and without pulmonary contusions.
Main Results:
- 18.6% of 956 elderly blunt thoracic trauma admissions had PCs (178/956).
- PC patients had higher rates of serious head/neck, abdomen, and extremity injuries.
- Complication (46.1% vs. 26.6%) and mortality (14.0% vs. 6.2%) rates were significantly higher in PC patients.
Conclusions:
- Pulmonary contusions occur in a significant proportion of elderly blunt trauma patients, even with low-energy mechanisms.
- The presence of a PC warrants investigation for other severe injuries.
- PCs are associated with increased morbidity and mortality in elderly trauma patients.
Background:
In the general population with blunt chest trauma, pulmonary contusions (PCs) are commonly identified. However, there is limited research in the elderly. We sought to evaluate the incidence and outcomes of PCs in elderly blunt trauma admissions.
Methods:
We retrospectively reviewed the trauma registry at a level I trauma center for all blunt thoracic trauma patients aged ≥65 y, who were admitted between 2007 and 2015. The medical records of PC patients were reviewed.
Results:
There were 956 admissions with blunt thoracic trauma; of which 778 had no pulmonary contusion (NO) and 178 had PC. The major mechanisms of injury were falls (58.7% NO, 39.3% PC, P <0.001) and motor vehicle crash/motor cycle crash (35.6% NO, 51.7% PC, P <0.001). Rib fractures were present in 79.8% of PC and 73.8% of NO patients, P = 0.1. PC patients more often had serious (AIS ≥3) head/neck (30.3% versus 20.6%, P <0.001), abdomen (12.4% versus 6.6%, P <0.001), and extremity injuries (20.8% versus 11.4%, P <0.001). Complication (46.1% PC versus 26.6% NO, P <0.001) and mortality (14.0% PC versus 6.2% NO, P = 0.0003) rates were higher in PC patients. On multivariate logistic regression analyses, PC presence was significantly associated with mechanical ventilation (odds ratio 2.5), intensive care unit admission (odds ratio 2.3), and mortality (odds ratio 1.9).
Conclusions:
Over 18.6% of elderly blunt thoracic trauma patients sustained PC, despite an often low energy mechanism of injury. The presence of a PC should prompt investigation for other serious intrathoracic and extrathoracic injuries. PC presence is associated with substantial morbidity and mortality.
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