Risk Factors Associated with Mortality in Severe Chest Trauma Patients Admitted to the ICU
by
, , , , , and
Jesús Abelardo Barea-Mendoza
1
,
Mario Chico-Fernández
1,
Manuel Quintana-Díaz
2,
Jon Pérez-Bárcena
3,
Luís Serviá-Goixart
4,
Ismael Molina-Díaz
5,
María Bringas-Bollada
6,
Antonio Luis Ruiz-Aguilar
7,
María Ángeles Ballesteros-Sanz
8,
Juan Antonio Llompart-Pou
3,* and
on behalf of the Neurointensive Care and Trauma Working Group of the Sociedad Española de Medicina Intensiva Crítica y Unidades Coronarias (SEMICYUC)
† 1
UCI de Trauma y Emergencias, Servicio de Medicina Intensiva, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
2
Servicio de Medicina Intensiva, Hospital Universitario La Paz, 28046 Madrid, Spain
3
Servei de Medicina Intensiva, Hospital Universitari Son Espases, Institut d’Investigació Sanitària Illes Balears (IdISBa), 07120 Palma de Mallorca, Spain
4
Servei de Medicina Intensiva, Hospital Universitari Arnau de Vilanova, Universitat de Lleida, IRBLleida, 25198 Lleida, Spain
5
Servicio de Medicina Intensiva, Hospital Universitario Nuestra Señora de la Candelaria, 38010 Santa Cruz de Tenerife, Spain
6
Servicio de Medicina Intensiva, Hospital Clínico Universitario San Carlos, 28040 Madrid, Spain
7
Servicio de Medicina Intensiva, Hospital Universitario Miguel Servet, 50009 Zaragoza, Spain
8
Servicio de Medicina Intensiva, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
*
Author to whom correspondence should be addressed.
†
Neurointensive Care and Trauma Working Group of the Sociedad Española de Medicina Intensiva Crítica y Unidades Coronarias (SEMICYUC) Members are listed in acknowledgments.
J. Clin. Med. 2022, 11(1), 266; https://doi.org/10.3390/jcm11010266
Submission received: 14 December 2021
/
Revised: 28 December 2021
/
Accepted: 30 December 2021
/
Published: 5 January 2022
(This article belongs to the Special Issue Clinical Research in Trauma Surgery)
Abstract
:Our objective was to determine outcomes of severe chest trauma admitted to the ICU and the risk factors associated with mortality. An observational, prospective, and multicenter registry of trauma patients admitted to the participating ICUs (March 2015–December 2019) was utilized to collect the patient data that were analyzed. Severe chest trauma was defined as an Abbreviated Injury Scale (AIS) value of ≥3 in the thoracic area. Logistic regression analysis was used to evaluate the contribution of severe chest trauma to crude and adjusted ORs for mortality and to analyze the risk factors associated with mortality. Overall, 3821 patients (39%) presented severe chest trauma. The sample’s characteristics were as follows: a mean age of 49.88 (19.21) years, male (77.6%), blunt trauma (93.9%), a mean ISS of 19.9 (11.6). Crude and adjusted (for age and ISS) ORs for mortality in severe chest trauma were 0.78 (0.68–0.89) and 0.43 (0.37–0.50) (p < 0.001), respectively. In-hospital mortality in the severe chest trauma patients without significant traumatic brain injury (TBI) was 5.63% and was 25.71% with associated significant TBI (p < 0.001). Age, the severity of injury (NISS and AIS-head), hemodynamic instability, prehospital intubation, acute kidney injury, and multiorgan failure were risk factors associated with mortality. The contribution of severe chest injury to the mortality of trauma patients admitted to the ICU was very low. Risk factors associated with mortality were identified.
1. Introduction
Severe trauma remains a major public health problem. It constitutes the leading cause of death, hospitalization, and long-term disabilities in young patients [1]. Trauma patients admitted to the intensive care unit (ICU) usually present injuries in different anatomical areas [2]. In our environment, chest trauma constitutes the second most severely affected anatomical area among trauma ICU patients [2].
Whilst consensus exists regarding the important role of severe chest trauma in prehospital mortality in patients presenting with hemodynamic instability [3,4], its exact contribution to the mortality rates of trauma patients admitted to the ICU and its associated risk factors remain to be determined. Some authors suggest that it directly accounts for approximately 25% of trauma related-mortality and is a contributing factor in another 25% of cases [5], remaining unchanged over the years [6], whilst others suggest that its contribution to mortality is almost irrelevant [7,8]. The association of extra-thoracic injuries is common in this population [8].
Due to this controversy, our objective in this multicenter study was to determine outcomes of severe chest trauma patients admitted to the ICU and the risk factors associated with mortality, using data from the Spanish Trauma ICU Registry (RETRAUCI).
2. Materials and Methods
The RETRAUCI is an observational, prospective, and multicenter nationwide registry that currently includes 52 ICUs in Spain. It is endorsed by the Neurointensive Care and Trauma Working Group of the Spanish Society of Intensive Care Medicine (SEMICYUC) and currently operates in a web-based electronic system (www.retrauci.org, accessed on 10 December 2021). Ethics Committee approval for the registry was obtained (Hospital Universitario 12 de Octubre, Madrid: 12/209). Informed consent was not obtained for this specific study, since this was a retrospective analysis of de-identified collected data.
We included in this study all adult patients admitted to the participating ICUs between March 2015 and December 2019. Patients were managed according to the Advanced Trauma Life Support principles. In this population, we analyzed the incidence, outcomes, and risk factors associated with mortality in severe chest trauma patients. Data on the epidemiology, acute management in the pre-hospital and in-hospital stages, type and severity of injury, resource utilization, complications, and outcomes were recorded. We only excluded patients with incomplete data or unknown hospital outcomes.
2.1. Definitions
- -
- Severe chest trauma was defined as an Abbreviated Injury Scale (AIS) value of ≥3 in the thoracic area. The control group included patients without chest trauma and those with thoracic AIS ≤ 2 [8].
- -
- Hemodynamic condition was considered as follows [9]:
- Stable, systolic blood pressure > 90 mmHg during initial trauma care.
- Unstable, responding to volume replacement—systolic blood pressure < 90 mmHg requiring volume replacement for normalization.
- Shock, systolic blood pressure < 90 mmHg requiring volume replacement, blood products, and vasoactive support for normalization.
- Refractory shock, hypotension refractory to volume replacement, blood products, or vasoactive support and activation of the massive bleeding protocol.
- -
- Rhabdomyolysis, laboratory test determination of creatine kinase > 5000 U/L [10].
- -
- Acute kidney injury (AKI) was evaluated by using the Risk, Injury, Failure, Loss of kidney function and End-stage kidney disease (RIFLE) definition [10].
- -
- Trauma-associated coagulopathy, prolongation of the prothrombin and activated partial thromboplastin over 1.5 times the control values, fibrinogen < 150 mg/dL, or thrombocytopenia (<100,000/µL) in the first 24 h [9].
- -
- Multiorgan failure was defined, using the Sequential-related Organ Failure Assessment (SOFA), as the alteration of two or more organs with a score of ≥3 [9].
- -
- Massive hemorrhage was defined as the need for more than 10 packed red blood cell concentrates in the initial 24 h.
2.2. Statistical Analysis
Quantitative variables are shown as means ± standard deviations (SDs) and qualitative variables as numbers (percentages). Categorical variables were analyzed using the χ2 or Fisher’s exact test. For continuous data, we studied normality with the Shapiro–Wilk test. Continuous data were evaluated using the Student’s t-test or the non-parametric Kruskal–Wallis test in the case of a non-normal distribution. We analyzed the contribution of severe chest trauma to crude and adjusted (for age and ISS) ORs for mortality by using logistic regression analyses. A multiple logistic regression analysis was performed to analyze the risk factors associated with death in severe chest trauma patients. The variables entered in the logistic regression analysis were those significantly associated with death in the univariate analysis. A p-value of <0.10 was considered significant. Results are presented as odds ratios (ORs) with 95 percent confidence intervals (95% CI). The calibration and goodness-of-fit of the logistic regression models were evaluated using the χ2 Hosmer–Lemeshow (HL) test, and model discrimination was assessed by means of the area under the receiver operating characteristic curve (AUROC) analysis. We reported all results as stated in the RECORD statement [11]. Statistical analysis was performed with STATA 15 (StataCorp. 2017).
3. Results
During the study period, 9790 trauma patients were admitted to the participating ICUs. The mean age of the sample was 49.88 (19.21) years, 77.6% were male, 93.9% had presented trauma, the mean ISS score was 19.9 (11.6), and the mean NISS score was 25.63 (14.62). The distribution of the severity of thoracic injury according to the AIS was: 4752 patients (48.54%) with no thoracic involvement, 183 patients (1.87%) with thoracic AIS 1, 1034 patients (10.56%) with thoracic AIS 2, 2294 patients (23.43%) with thoracic AIS 3, 1060 patients (10.83%) with thoracic AIS 4, 458 patients (4.68%) with thoracic AIS 5, and 9 patients (0.09%) with thoracic AIS 6. Therefore, up to 3821 patients (39%) presented with a thoracic AIS ≥ 3; these patients constituted the study population and the remaining 5969 comprised the control group.
Baseline characteristics of the population with severe chest trauma and the control group are summarized in Table 1.
The percentage of patients with AIS values of ≥3 in the different areas in the severe chest trauma and the control groups are shown in Table 2. The mean values (SD) of the AIS values in the different areas are summarized in Table 3.
Urgent (<24 h) cardiothoracic (4.34% vs. 0.37%, p < 0.001) and abdominal (8.35% vs. 4.72%, p < 0.001) surgeries were more frequent in the severe chest trauma group, whereas urgent (<24 h) neurosurgical procedures were more frequent in the control group (16.32% vs. 5.78%, p < 0.001). In the initial 24 h, 30.46% of patients with severe chest trauma received packed red blood cell concentrates, and 22.86% received fresh frozen plasma. In the control group, 19.62% of patients received packed red blood cell concentrates, and 14.48% received fresh frozen plasma (both ps < 0.001). Bleeding control angiography was used more often in the severe chest trauma group (7.40% vs. 5.83%, p = 0.004), as well as the need for tracheostomy (13.17% vs. 10.18%, p < 0.001).
Patients with severe chest trauma presented a higher percentage of complications because of the higher severity of injury (Table 3). Intracranial hypertension was more frequent in the control group since the severity of brain injury, as measured by the AIS-head, was higher (Table 4).
Mechanical ventilation was more frequently used in the control group, likely because of the higher incidence of severe head injury; however, the length of mechanical ventilation and the ICU length of stay were higher in the severe chest trauma group (Table 5). Despite the higher severity of injury, both ICU and in-hospital mortality were lower in the severe chest trauma group. Crude and adjusted (for age and ISS) ORs for mortality in the severe chest trauma group were 0.78 (0.68–0.89) and 0.43 (0.37–0.50), p < 0.001, respectively. Of note, up to 34% of the deceased in the severe trauma group died because of intracranial hypertension (Table 4). As a result, we explored the mortality in the severe chest trauma group according to the coexistence of severe head injury (AIS-head ≥ 3). In-hospital mortality in the severe chest trauma group without significant traumatic brain injury (TBI) was 5.63% and was 25.71% with associated significant TBI, p < 0.001. The relationship between chest and brain injury and in-hospital mortality is shown in Figure 1.
Multiple logistic regression analyses were performed to analyze the risk factors associated with mortality in the severe chest trauma group. Age, the severity of injury evaluated by the NISS and the AIS-head, hemodynamic instability, the need for prehospital intubation, and the development of acute kidney injury and multiorgan failure were independently associated with mortality. On the other hand, nosocomial infection, trauma-associated coagulopathy, and the need for tracheostomy were protective factors (Table 6).
The values in parentheses represent the 95 percent confidence intervals. Variables with p < 0.10 in univariate analysis were entered into the multivariable models. The area under the receiver operating characteristic curve (AUROC) was 0.94 (95% CI, 0.93–0.96). The result of the Hosmer–Lemeshow (HL) test was χ2 = 13.41, p = 0.09. (Figure 2)
4. Discussion
The main finding of our study was that severe chest trauma was associated with a low mortality burden once the patient is admitted to the ICU. In addition, we identified different risk factors associated with mortality, including age, the severity of the injury, brain injury, hemodynamic instability, the need for prehospital intubation, and the development of acute kidney injury and multiorgan failure.
The contribution of chest trauma to the mortality of trauma patients remains controversial since studies have shown contradictory results. Single-center studies have shown a low mortality rate even considering higher ISS values [7,8], but data obtained from multicenter registries show a higher mortality rate [6,12] that has remained stable over the last few years [6]. We observed a low mortality rate in patients with severe chest injury admitted to the ICU, even considering the higher ISS in this population, as shown by Grubmüller et al. [8]. Moreover, mortality was highly dependent on the severity of brain injury, as determined by the AIS-head value. In-hospital mortality in severe chest trauma with AIS-head values <3 was only 5.63%. The interaction of brain injury and chest trauma in the outcomes of trauma patients has been described elsewhere in an inverse manner [13,14]. In our series, the probability of mortality with AIS-head 1–3 was very low, even in cases with thoracic AIS 4 and 5, thus indicating a low burden of mortality associated with the thoracic injuries.
Although our study was not designed for this purpose, the low mortality rates that were found were likely secondary to the use of a standardized approach, including local and systemic analgesia, a chest drain when necessary, non-invasive ventilation, lung-protective ventilation if acute respiratory distress syndrome is developing, early extubation, the use of extracorporeal membrane oxygenation, and/or rib fixation [15,16,17,18].
We additionally identified risk factors associated with mortality in chest trauma patients, including age, the severity of the trauma, and the severity of brain injury; variables related to physiological trauma, such as hemodynamic instability and the need for prehospital intubation; and the development of complications, such as acute kidney injury and multiorgan failure. Some factors were associated with a lower mortality, likely reflecting a longer ICU length of stay due to the lower mortality rates found (nosocomial infection and need of tracheostomy), rather than a protective role. The control group had a higher incidence of severe brain injury and the development of intracranial hypertension, which was a major determinant of death (57.26% of cases in the control group).
Previous studies have identified factors associated with mortality in chest trauma. Huber et al. identified severe vessel intrathoracic injuries, bilateral lung contusions, bilateral major lacerations, bilateral flail chest, age, blood transfusion, initial and admission hypotension (<90 mmHg), AIS-head ≥ 3, AIS-abdomen ≥ 3, and structural heart injury (AIS ≥ 3) as the risk factors associated with mortality [19]. In a single-center study, Söderlund et al. identified the degree of hypoperfusion (base excess) and coagulation abnormalities (thromboplastin time) at admission as risk factors associated with mortality [20]. In a systematic review, Battle et al. found that age, the number of rib fractures, the presence of pre-existing disease, and pneumonia to be related to mortality in 29 identified studies [21].
The main strength of our study is the large sample of trauma patients admitted to the participating ICUs. To date, this is the largest sample evaluated in Spain, and we believe this study clearly delineates the epidemiology and outcomes of severe chest injury in our environment. This supports the usefulness of trauma registries in the management and benchmarking of severe trauma patients [22,23].
However, limitations must be acknowledged too. Despite patients being managed following the Advanced Trauma Life Support principles, we cannot rule out deviations, so this could affect patients’ management and outcomes. In addition, the inclusion criteria of being admitted to the participating ICUs may not reflect the critical trauma population due to differences in the admission criteria and bed and staffing availability. Lastly, Trauma-associated coagulopathy was associated with a protective effect in terms of the mortality of severe chest trauma patients. Trauma-associated coagulopathy is usually associated with a higher burden of morbidity and mortality [4,24]. We were unable to identify the underlying reason for this observed effect. We acknowledge that a detailed analysis of the different types of thoracic injuries—differentiating vascular, cardiac, airway disruptions injuries—might improve the comprehension of our results.
5. Conclusions
In conclusion, we found that the contribution of severe chest injury to the mortality of trauma patients admitted to the ICU is very low. Risk factors associated with mortality included age, the severity of the trauma, the severity of brain injury, hemodynamic instability, the need for prehospital intubation, and the development of acute kidney injury and multiorgan failure.
Author Contributions
Conceptualization, J.A.B.-M., M.C.-F. and J.A.L.-P.; methodology, J.A.B.-M., M.C.-F. and J.A.L.-P.; data collection, J.A.B.-M., M.C.-F., M.Q.-D., J.P.-B., L.S.-G., I.M.-D., M.B.-B., A.L.R.-A., M.Á.B.-S. and J.A.L.-P.; formal analysis and investigation, J.A.B.-M., M.C.-F. and J.A.L.-P.; writing—original draft preparation, J.A.B.-M. and J.A.L.-P.; writing—review and editing, J.A.B.-M., M.C.-F., M.Q.-D., J.P.-B., L.S.-G., I.M.-D., M.B.-B., A.L.R.-A., M.Á.B.-S. and J.A.L.-P.; Funding acquisition, none; supervision, M.Q.-D., M.C.-F. and J.A.L.-P. All authors have read and agreed to the published version of the manuscript.
Funding
This research received no external funding.
Institutional Review Board Statement
The study was conducted according to the guidelines of the Declaration of Helsinki, and was approved by the Ethics Committee of the Hospital Universitario 12 de Octubre, Madrid (reference number 12/209).
Informed Consent Statement
Informed consent was not obtained since this was a retrospective analysis of de-identified collected data.
Data Availability Statement
Data can be obtained from the authors upon reasonable request.
Acknowledgments
Neurointensive Care and Trauma Working Group of the Sociedad Española de Medicina Intensiva, Crítica y Unidades Coronarias (SEMICYUC) Members: Eduardo Aguilar Alonso, Fermín Alberdi Odriozola, Patricia Albert De La Cruz, Manuel Álvarez González, Fernando Mario Andrade Rodado, Cristina Bayón García, Carmen Benito Puncel, Susana Bermejo, Antonio Blesa Malpica, Ana Bueno González, Álvaro Bueno Sacristán, Alfonso Canabal Berlanga, Jordi Cano Vidal, Cristina Carbajales Pérez, Cecilia Carbayo Górriz, Rosario Carmona, María Dolores Casado Mansilla, Mikel Celaya López, Laura Claverías, Carmen Corcobado Márquez, María Lourdes Cordero Lorenzana, Carmen Díaz Gómez, Rubén Díaz Sesé, Jose Higinio De Gea García, Manuel Jesús Delgado Amaya, Ana Díaz, José Pablo de Díaz, Yolanda Díaz Buendía, Joana Domingo, María José Domínguez Rivas, Jorge Duerto Álvarez, Juan José Egea Guerrero, Pedro Enríquez Giraudo, Cristina Espinal, Lorenzo Fernández, Ana Fernández Cuervo, Carmen Josefina Fernández González, Juan Francisco Fernández Ortega, Ramón Fernández-Cid Bouza, María Dolores Freire Aragón, Fernando Fuentes Gorgas, Sergio Gallego Zarzosa, Marta García García, Mélida García Mirtul, Iker García Sáez, María Gero Escapa, Aurora Gil Velázquez, Elena Giráldez Vázquez, Laura González Cubillo, María Isabel González Pérez, Ángela González Salamanca, Javier González Robledo, Antonio Gordillo Brenes, Manuel Gracia Romero, Antonio Guerrero Altamirano, Francisco Guerrero-López, Silvia María Gutiérrez Martín, Carola Gutiérrez, Rubén Herrán Monge, Juan Higuera Luca, Javier Homar Ramírez, David Iglesias Posadilla, Alberto Iglesias Santiago, Jorge Jiménez Clemente, José Manuel Jiménez Moragas, Mariana Jorge De Almeida E Silva, Rafael León López, Eugenia Anebel Liger Borja, Lucía López Amor, María Inmaculada López Fernández, Carlos López Núñez, Eva Machado, Inés Macías Guarasa, Féliz Maimir Jané, Luis Marina, Beatriz Martínez Luengo, María Martínez, Inés Martínez Arroyo, Lorena Martín Iglesias, María Matachana Martínez, Diego Fernando Matallana Zapata, Dolores María Mayor García, Pedro Medina Santaolalla, Marina Medrano Fernández, Diana Monge Donaire, Rocío Monterroso Pintado, Neus Montserrat Ortiz, Guillermo Morales Varas, Gonzalo Moratalla Cecilia, Gerard Moreno, Carolina Mudarra Reche, Kapil Laxman Nanwani, Leonor Nogales Martín, Txoan Ormazábal Zabala, Patricia Ortiz, Diego Pastor Marcos, Francisca Inmaculada Pino Sánchez, Ana Prieto De Lamo, Isidro Prieto Del Portillo, Eva María Pérez Cabo, Isabel María Pérez Gómez, Sergio Rebollo, María Teresa Recio Gómez, Eva Regidor, Gloria Renedo Sánchez-Girón, Marilyn Riveiro Vilaboa, Gloria Rivera Rubiales, Gonzalo Rodríguez Calero, Enver Rodríguez Martínez, Javier Rodríguez Pilar, Alejandro Rodríguez, Audrey Rodríguez, Juan Antonio Rodríguez Medina, Emilio Rodríguez-Ruiz, José Roldán Ramírez, Ruth Salaberria, Marcelino Sánchez Casado, María Salomé Sánchez Pino, Ion Santacana González, Carolina Sena Pérez, Rita Subirana, Juncal Sánchez Arguiano, Eva Tejerina, Ana Tejero Mogena, Luis Juan Terceros Almanza, Juan Ángel Tihista Jiménez, José María Toboso Casado, Josep Trenado Álvarez, Alejandro Úbeda Iglesias, Estela Val Jordan, Jorge Valdivia Ruiz, Marcos Valiente Fernández, Ana Vallejo De La Cueva, Rebeca Vara Arlanzón, Julio Velasco Roca, Bábara Vidal Tegedor, Margalida Vilar Vicens, Alejandra Virgós Pedreira, Lucía Viña Soria, Mercedes Zabarte Martínez De Aguirre, Álvaro Zamora Bazo.
Conflicts of Interest
The authors declare no conflict of interest.
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Figure 1.
In-hospital mortality prediction in chest trauma according to the severity of head injury.
Figure 1.
In-hospital mortality prediction in chest trauma according to the severity of head injury.
Figure 2.
Receiver operating characteristic (ROC) curve for the predictive model.
Table 1.
Baseline characteristics of the population with severe chest trauma and the control group.
| Severe Chest Trauma n = 3821 | Control Group n = 5969 | p-Value | |
|---|---|---|---|
| Age | 49.72 (18.28) | 49.97 (19.79) | 0.668 |
| Sex | 79.53% | 76.47% | <0.01 |
| Penetrating | 5.26% | 6.50% | 0.012 |
| ISS | 25.60 (12.39) | 16.12 (9.47) | <0.001 |
| ISS ≥16 | 80.53% | 53.68% | <0.01 |
| NISS | 31.27 (13.75) | 22.02 (14.00) | <0.001 |
| Mechanism | <0.01 | ||
| Ground-level fall | 11.70% | 30.41% | |
| RTA-car | 21.49% | 13.49% | |
| Precipitation | 18.42% | 11.83% | |
| RTA-motorcycle | 20.70% | 12.95% | |
| RTA-run over | 8.40% | 8.56% | |
| Other | 19.29% | 23.67% | |
| Prehospital mobile ICU | 74.33% | 70.95% | <0.01 |
| Prehospital intubation | 22.03% | 22.41% | 0.825 |
| Hemodinamically stable | 56.71% | 70.02% | <0.01 |
ISS, injury severity score; NISS, new injury severity score; RTA, road traffic accident; ICU, intensive care unit.
Table 2.
Percentage of patients with AIS ≥ 3 in the different areas in the severe chest trauma and control groups.
Table 2.
Percentage of patients with AIS ≥ 3 in the different areas in the severe chest trauma and control groups.
| Severe Chest Trauma n = 3821 | Control Group n = 5969 | p-Value | |
|---|---|---|---|
| Head | 30.83% | 55.79% | <0.001 |
| Face | 2.88% | 3.17% | 0.420 |
| Abdomen | 18.35% | 12.00% | <0.001 |
| Extremities | 22.27% | 17.62% | <0.001 |
| External | 0.24% | 1.71% | <0.001 |
Table 3.
Mean values (SD) of the AIS values in the different areas in the severe chest trauma and control groups.
Table 3.
Mean values (SD) of the AIS values in the different areas in the severe chest trauma and control groups.
| Severe Chest Trauma n = 3821 | Control Group n = 5969 | p-Value | |
|---|---|---|---|
| Head | 3.06 (1.23) | 3.56 (1.15) | <0.001 |
| Face | 1.79 (0.73) | 1.79 (0.73) | 0.896 |
| Abdomen | 2.68 (0.94) | 2.80 (0.90) | <0.001 |
| Extremities | 2.52 (0.90) | 2.61 (0.95) | <0.001 |
| External | 1.25 (1.56) | 2.26 (1.56) | <0.001 |
Table 4.
Percentage of complications in the severe chest trauma and control groups.
| Severe Chest Trauma n = 3821 | Control Group n = 5969 | p-Value | |
|---|---|---|---|
| Rhabdomyolysis | 22.46% | 11.33% | <0.001 |
| Trauma-associated coagulopathy | 20.14% | 13.41% | <0.001 |
| Massive hemorrhage | 9.20% | 4.21% | <0.001 |
| Acute kidney injury | 22.53% | 13.88% | <0.001 |
| Intracranial hypertension | 11.44% | 20.37% | <0.001 |
| Respiratory failure (PaO2/FiO2 < 300) | 39.94% | 17.77% | <0.001 |
| Nosocomial infection | 23.34% | 19.97% | <0.001 |
| Multiorgan failure | 14.76% | 7.01% | <0.001 |
Table 5.
Main outcomes in the severe chest trauma and control groups.
| Severe Chest Trauma n = 3821 | Control Group n = 5969 | p-Value | |
|---|---|---|---|
| Angioembolization | 7.4% | 5.83% | 0.004 |
| MV | 45.09% | 50.96% | <0.001 |
| Days of MV (if ≥1 day) | 10.58 (12.50) | 7.46 (11.00) | <0.001 |
| ICU LOS | 9.97 (16.33) | 7.85 (12.48) | <0.001 |
| ICU mortality | 10.43% | 12.95% | <0.001 |
| In-hospital mortality | 11.81% | 15.00% | <0.001 |
| Cause of death | <0.001 | ||
| Exsanguination | 13.56% | 4.09% | |
| Intracranial hypertension | 34.84% | 57.26% | |
| Multiorgan failure | 30.05% | 14.39% | |
| Other | 21.54% | 24.26% |
MV, mechanical ventilation; ICU, intensive care unit.
Table 6.
Risk factors associated with mortality in severe chest trauma using multiple logistic regression analyses.
Table 6.
Risk factors associated with mortality in severe chest trauma using multiple logistic regression analyses.
| Variable | OR (95% CI) | p-Value |
|---|---|---|
| Age | 1.03 (1.02–1.04) | <0.001 |
| NISS | 1.02 (1.01–1.04) | <0.001 |
| AIS-head | ||
| AIS-head 2 | 1.92 (1.03–3.58) | 0.039 |
| AIS-head 3 | 1.88 (1.06–3.34) | 0.030 |
| AIS-head 4 | 5.84 (3.29–10.36) | <0.001 |
| AIS-head 5 | 15.92 (8.66–29.26) | <0.001 |
| Hemodynamics | ||
| Unstable volume-response | 1.91 (1.01–3.59) | 0.044 |
| Shock | 4.70 (2.89–7.65) | <0.001 |
| Refractory shock | 73.52 (37.73–143.27) | <0.001 |
| Prehospital intubation | 2.18 (1.55–3.05) | <0.001 |
| Multiorgan failure | 2.82 (1.82–4.38) | <0.001 |
| Acute kidney injury | 1.89 (1.27–2.81) | 0.001 |
| Nosocomial infection | 0.41 (0.26–0.62) | <0.001 |
| Trauma-associated coagulopathy | 0.87 (0.79–0.96) | 0.006 |
| Tracheostomy | 0.08 (0.04–0.15) | <0.001 |
NISS, new injury severity score; AIS, abbreviated injury scale.
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Barea-Mendoza, J.A.; Chico-Fernández, M.; Quintana-Díaz, M.; Pérez-Bárcena, J.; Serviá-Goixart, L.; Molina-Díaz, I.; Bringas-Bollada, M.; Ruiz-Aguilar, A.L.; Ballesteros-Sanz, M.Á.; Llompart-Pou, J.A.; et al. Risk Factors Associated with Mortality in Severe Chest Trauma Patients Admitted to the ICU. J. Clin. Med. 2022, 11, 266. https://doi.org/10.3390/jcm11010266
AMA Style
Barea-Mendoza JA, Chico-Fernández M, Quintana-Díaz M, Pérez-Bárcena J, Serviá-Goixart L, Molina-Díaz I, Bringas-Bollada M, Ruiz-Aguilar AL, Ballesteros-Sanz MÁ, Llompart-Pou JA, et al. Risk Factors Associated with Mortality in Severe Chest Trauma Patients Admitted to the ICU. Journal of Clinical Medicine. 2022; 11(1):266. https://doi.org/10.3390/jcm11010266
Chicago/Turabian StyleBarea-Mendoza, Jesús Abelardo, Mario Chico-Fernández, Manuel Quintana-Díaz, Jon Pérez-Bárcena, Luís Serviá-Goixart, Ismael Molina-Díaz, María Bringas-Bollada, Antonio Luis Ruiz-Aguilar, María Ángeles Ballesteros-Sanz, Juan Antonio Llompart-Pou, and et al. 2022. "Risk Factors Associated with Mortality in Severe Chest Trauma Patients Admitted to the ICU" Journal of Clinical Medicine 11, no. 1: 266. https://doi.org/10.3390/jcm11010266
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