Thoracic trauma: a descriptive review of 4168 consecutive cases in East China

Severe hemothorax due to traumatic fracture of thoracic vertebra

BACKGROUND

Hemothorax occurs in approx. 0.4% of all chest injury patients, but hemothorax due to a thoracic vertebral fracture is rare.

CASE PRESENTATION

A 76-year-old Japanese man was transported to our hospital for right hemothorax due to a car accident. We performed emergency hemostasis surgery and tried to stop the bleeding by several methods, but it was difficult to control the bleeding because the bleeding point was an artery branch that runs in front of the vertebral body.

CONCLUSION

It is important to be aware that a fractured vertebra can damage the aorta's arterial branch and follow a severe course.

Penetrating chest injury secondary to an improvised home-made marble airgun: a case report

Background

An improvised air gun with marble bullets, locally known as "Jolen Gun", is a type of home-made gun using Polyvinyl chloride (PVC) pipes and compressed air. It is mainly being used as a hunting tool in Central Mindanao. This "non-lethal" weapon has the potential in causing serious harm. There has been several incidents of minor injuries from this type of weapon in our institution but this is the first documented case of an improvised marble air-gun causing significant injury to the patient.

Case report

A child was brought to a rural tertiary center after being shot in the chest using an improvised gun with marble as bullet. On evaluation, the patient had a single gunshot wound approximately 2cm x 2cm in size on the posterior chest at the right paravertebral area of the 4th thoracic vertebra. There was no exit wound noted. Chest CT done showed a rounded radiopaque foreign body seen in the right upper lung field with gunshot fracture involving the posterior aspect of the 4th rib. There was also pulmonary contusion of the right upper lobe and a fluid density at the right posterior pleural space attributed to a hemothorax. Open thoracotomy, removal of foreign body, repair of lung injury and debridement was done. Patient had an unremarkable post-operative course and was subsequently discharged.

Conclusion

After extensive search of both local and international literatures, this appears to be the first case involving a penetrating chest injury from an improvised marble air-gun which has been treated successfully. Although this is a low-energy type of weapon, it still has the potential to cause significant harm to the body. Relevant laws should be made to against the use of this type of weapon to prevent similar injuries in the future.

Predictors of long-term survival in 5,680 patients admitted to a UK major trauma centre with thoracic injuries

INTRODUCTION

The long-term outcomes of chest trauma are largely unknown. We sought to determine the predictors of in-hospital and long-term survival in patients admitted to a major trauma centre (MTC) with chest injuries and to evaluate spatial patterns of injury in our network area.

METHODS

Retrospective analysis of data collected on the National Trauma Audit Research Network (TARN) database using multivariate analysis and Cox regression analysis. Spatial analysis was performed using ArcGis 10.7.1.

RESULTS

Some 5,680 patients were admitted with chest trauma between December 1999 and December 2019. Median patient age was 45 years and the median Injury Severity Score (ISS) was 20. The proportion of patients who had an operation was 39.8%. Age, blood transfusion, head injury, shock, emergency thoracotomy and heart disease were predictors of hospital mortality (p < 0.05). However, having an operation on concomitant injuries was protective. ISS and Glasgow Coma Score were discriminators of in-hospital mortality (C-indices 0.76 and 0.80, respectively). The 10-year survival values for patients who survived to discharge from hospital and who were aged <40, 50, 60, 70, 80 and >80 years were 99%, 93%, 95%, 87%, 75% and 43%, respectively. Preadmission lung disease and alcohol/drug misuse were poor predictors of long-term survival (p < 0.05). Hotspot analysis revealed the areas with the highest incidents were all close to the MTC.

CONCLUSIONS

The MTC is geographically central to areas with high numbers of trauma incidents. Although emergency thoracotomy was a predictor of poor in-hospital outcomes, having surgery for concomitant injuries improved outcomes. Patients surviving to discharge have good long-term survivals.

What Do We Know About Teamwork in Chinese Hospitals? A Systematic Review

Background and Objective: Improving quality of care is one of the primary goals in current Chinese hospital reforms. Teamwork can play an essential role. Characteristics of teamwork and interventions for improving teamwork in hospitals have been widely studied. However, most of these studies are from a Western context; evidence from China is scarce. Because of the contextual differences between China and Western countries, empirical evidence on teamwork from Western hospitals may have limited validity in China. This systematic review aims to advance the evidence base and understanding of teamwork in Chinese hospitals. Methods: Both English (i.e., Embase, Medline, and Web of Science) and Chinese databases (i.e., CNKI, CQVIP, and Wanfang) were searched for relevant articles until February 6, 2020. We included the studies that empirically researched teamwork in Chinese hospitals. Studies were excluded if they (1) were not conducted in hospitals in Mainland China, (2) did not research teamwork on team interventions, (3) were not empirical, (4) were not written in English or Chinese, (5) were not published in peer-reviewed journals, and (6) were not conducted in teams that provide direct patient care. Both deductive and inductive approaches were used to analyze data. The Mixed Methods Appraisal Tool (MMAT) was used to assess their methodological quality. Results: A total of 70 articles (i.e., 39 English articles and 31 Chinese articles) were included. The results are presented in two main categories: Teamwork components and Team interventions. The evidence regarding the relationships among inputs, processes, and outcomes is scarce and mostly inconclusive. The only conclusive evidence shows that females perceive better team processes than males. Similar types of training and tools were introduced as can be found in Western literature, all showing positive effects. In line with the Chinese health reforms, many of the intervention studies regard the introduction of multidisciplinary teams (MDTs). The evidence on the implementation of MDTs reveals that they have led to lower complication rates, shorter hospital stays, higher diagnosis accuracy, efficiency improvement, and a variety of better disease-specific clinical outcomes. Evidence on the effect on patient survival is inconclusive. Conclusion: The Chinese studies on teamwork components mainly focus on the input-process relationship. The evidence provided on this relationship is, however, mostly inconclusive. The intervention studies in Chinese hospitals predominantly focus on patient outcomes rather than organizational and employee outcomes. The introduction of training, tools, and MDTs generally shows promising results. The evidence from primary hospitals and rural areas, which are prioritized in the health reforms, is especially scarce. Advancing the evidence base on teamwork, especially in primary hospitals and rural areas, is needed and can inform policy and management to promote the health reform implementation. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42020175069, identifier CRD42020175069.

Rib fracture detection system based on deep learning

Rib fracture detection is time-consuming and demanding work for radiologists. This study aimed to introduce a novel rib fracture detection system based on deep learning which can help radiologists to diagnose rib fractures in chest computer tomography (CT) images conveniently and accurately. A total of 1707 patients were included in this study from a single center. We developed a novel rib fracture detection system on chest CT using a three-step algorithm. According to the examination time, 1507, 100 and 100 patients were allocated to the training set, the validation set and the testing set, respectively. Free Response ROC analysis was performed to evaluate the sensitivity and false positivity of the deep learning algorithm. Precision, recall, F1-score, negative predictive value (NPV) and detection and diagnosis were selected as evaluation metrics to compare the diagnostic efficiency of this system with radiologists. The radiologist-only study was used as a benchmark and the radiologist-model collaboration study was evaluated to assess the model's clinical applicability. A total of 50,170,399 blocks (fracture blocks, 91,574; normal blocks, 50,078,825) were labelled for training. The F1-score of the Rib Fracture Detection System was 0.890 and the precision, recall and NPV values were 0.869, 0.913 and 0.969, respectively. By interacting with this detection system, the F1-score of the junior and the experienced radiologists had improved from 0.796 to 0.925 and 0.889 to 0.970, respectively; the recall scores had increased from 0.693 to 0.920 and 0.853 to 0.972, respectively. On average, the diagnosis time of radiologist assisted with this detection system was reduced by 65.3 s. The constructed Rib Fracture Detection System has a comparable performance with the experienced radiologist and is readily available to automatically detect rib fracture in the clinical setting with high efficacy, which could reduce diagnosis time and radiologists' workload in the clinical practice.

Epidemiological and clinical characteristics of road traffic crashes related thoracic traumas: analysis of 5095 hospitalized chest injury patients

BACKGROUND

Road traffic crashes related (RTCR) chest traumas remain important global public health challenge. The impact of boosting market of automobile vehicles in China during last decade on thoracic injury needs to be defined. This study aimed to review and analyze the demographic and clinical characteristics of RTCR thoracic injuries in China.

METHODS

Clinical records of patients with thoracic trauma admitted to thoracic surgery department between January 2003 and June 2020 were retrospectively retrieved and reviewed. Patients' profiles and clinical characteristics were comparatively analyzed between road traffic crashes caused injury and other injury mechanisms, and in RTCR chest trauma patients before January 2011 (2003 group), and after January 2011 (2011 group), when is considered as the beginning year of Chinese household vehicle era.

RESULTS

The study included 5095 thoracic trauma patients with mean age of 50.2 years, of whom 79.4% were male. Most of the patients (70.3%, n = 3583) had rib fractures. Associated injuries were present in 52.0% of the patients, of them 78.5% (n = 2080) were extremity fractures. Road traffic crashes accounted for 41.4% (n = 2108) of the injuries, most of them (98.0%) were related to motor vehicles. In comparison with other chest trauma mechanisms, RTCR chest injuries affected females and older males more frequently, with a higher incidence of rib fractures and sternum fractures, and higher injury severity scores (ISS) (all p < 0.05). Surgeries were required in 1495 (70.9%) patients of the RRTCR chest traumas, while the majority of non-RTCR thoracic injuries were managed conservatively or with tube thoracostomy (30.2%, n = 901). RTCR chest traumas caused longer hospital stay (13.0 ± 9.6 days vs. 11.8 ± 7.4 days, p = 0.001), higher ICU usage (30.7% vs. 19.6%, p = 0.001), higher rate of ventilator support (12.9% vs. 7.5%, p = 0.001), and higher mortalities (3.8% vs. 1.6%, p = 0.005) than that of non-RTRA chest injuries. For RTCR patients, when compared with 2003 group, 2011 group had similar patterns in terms of accident category, associated injury and treatment. However, 2011 group had more females (38.5% vs. 18.0%, p = 0.001) and older males (50.6 ± 9.7 vs. 47.9 ± 17.2, p = 0.001), with a higher ISS (18.3 ± 10.2 vs. 17.1 ± 8.9, p = 0.004), and fewer were managed with chest tubes (25.0% vs. 29.2%, p = 0.031). Clinical outcomes were not significantly different between the groups in terms of hospital length of stay, intensive care unit (ICU) usage, ICU length of stay, duration of ventilator hours and mortality. However, the 2011 group had more patients requiring ventilator support (14.4% vs. 10.6%, p = 0.011).

CONCLUSIONS

Road traffic crashes remain to be the major etiology of thoracic injuries in China, which usually affects middle-aged males, causing rib fractures with concomitant injuries frequently occurring to other organ systems. Treatments mainly include tube thoracotomy and surgical procedures. Although the clinical characteristics and outcomes of traffic accident related chest traumas are largely unchanged in spite of the rapid increasing numbers of motor vehicles, variations in the pattern of injuries by gender, age, injury severity and ventilator usage may still provide important information for targeted management.

Complications of clavicle fracture surgery in patients with concomitant chest wall injury: a retrospective study

Background

The impact of associated chest wall injuries (CWI) on the complications of clavicle fracture repair is unclear to date. This study aimed to investigate the complications after surgical clavicle fracture fixation in patients with and without different degrees of associated CWI.

Methods

A retrospective review over a four-year period of patients who underwent clavicle fracture repair was conducted. A CWI and no-CWI group were distinguished, and the CWI group was subdivided into the minor-CWI (three or fewer rib fractures without flail chest) and complex-CWI (flail chest, four or more rib fractures) subgroup. Demographic data, classification of the clavicle fracture, number of rib fractures, and associated injuries were recorded. Overall complications included surgery-related complications and unplanned hospital readmissions. Univariate analysis and stepwise backward multivariate logistic regression were used to identify potential risk factors for complications.

Results

A total of 314 patients undergoing 316 clavicle fracture operations were studied; 28.7% of patients (90/314) occurred with associated CWI. Patients with associated CWI showed a significantly higher age, body mass index, and number of rib fractures. The overall and surgical-related complication rate were similar between groups. Unplanned 30-day hospital readmission rates were significantly higher in the complex-CWI group (p = 0.02). Complex CWI and number of rib fractures were both independent factor for 30-day unplanned hospital readmission (OR 1.59, 95% CI: 1.00–2.54 and OR 1.33, 95% CI: 1.06–1.68, respectively).

Conclusion

CWI did not affect surgery-related complications after clavicle fracture repair. However, complex-CWI may increase 30-day unplanned hospital readmission rates.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12891-021-04148-1.

Epidemiological profile of chest trauma and predictive factors for length of hospital stay in a hospital in Southern Brazil

INTRODUCTION

Thoracic trauma is one of the most common types, corresponding to 10% of the traumas admitted in emergency services.

OBJECTIVE

To analyse epidemiologic aspects of patients diagnosed with chest trauma in a hospital at the south of Brazil and its predictive factor for prolonged length of stay.

METHODS

We conducted a retrospective cohort involving patients who were victims of chest trauma. They were described by the International Classification of Diseases (ICD) from S20 to S29 admited in a regional hospital in Southern Brazil, from January 2008 to December 2018. The analysed variables were: sex, age, ICD, type of trauma, complication, need for intensive care unit (ICU), mechanical ventilation (MV) and oxygen therapy (O2), scores on Injury Severity Score (ISS) and Thoracic Trauma Severity Score (TTSS) and outcomes length of stay and death.

RESULTS

121 patients were evaluated, with median age 47.0 (35-0-58.5) years, where 84.3% being of them were male. Blunt trauma had a higher prevalence with 85.1%, with the most frequent complication being spine fractures (30.4%), followed by rib fractures (23.2%) and pneumothorax (16.8%). There was need of ICU in 14%, use of O2 in 30.6% and need of MV in 5.8%. The median length of stay was 6.0 (4.0-10.5), and death as an outcome was found in only 1.7%. Relying on the TTSS, the median (p25-p75) found was 3.0 (2.0-5.0) points and the ISS score was 4.0 (0.0-9.0). If observing patients with a length of stay ≥ 6 days, there were an association with the female gender, need of ICU, O2 and MV, ISS scores, and TTSS scores in the categories who involved pleural commitment and minor PaO2/FiO2.

CONCLUSION

Most of the victims were male young adults with low mortality. The TTSS and ISS were found to be adequate predictors of prolonged length of stay.

Massive hemothorax due to bleeding from thoracic spinal fractures: a case series and systematic review

BACKGROUND

Massive hemothorax secondary to thoracic spinal fractures is rare, and its clinical characteristics, treatment, and prognosis are unknown. We present two cases of thoracic spinal fracture-induced massive hemothorax and a systematic review of previously reported cases.

METHODS

This study included patients with traumatic hemothorax from thoracic spinal fractures at a Japanese tertiary care hospital. A systematic review of published cases was undertaken through searches in PubMed, EMBASE, and ICHUSHI from inception to October 13, 2019.

RESULTS

Case 1: An 81-year-old man developed hemodynamic instability from a right hemothorax with multiple rib fractures following a pedestrian-vehicle accident; > 1500 mL blood was evacuated through the intercostal drain. Thoracotomy showed hemorrhage from a T8-burst fracture, and gauze packing was used for hemostasis. Case 2: A 64-year-old man with right hemothorax and hypotension after a fall from height had hemorrhage from a T7-burst fracture, detected on thoracotomy, which was sealed with bone wax. Hypotension recurred during transfer; re-thoracotomy showed bleeding from a T7 fracture, which was packed with bone wax and gauze for hemostasis. The systematic review identified 10 similar cases and analyzed 12 cases, including the abovementioned cases. Inferior part of thoracic spines was prone to injury and induced right-sided hemothorax. Most patients developed hemodynamic instability, and some sustained intra-transfer hemorrhage; direct compression (gauze packing, bone wax, and hemostatic agents) was the commonest hemostatic procedure. The mortality rate was 33.3%.

CONCLUSIONS

Hemothorax due to thoracic spinal fracture can be fatal. Thoracotomy with direct compression is necessary in hemodynamically unstable patients.

Demographic, Clinical Features and Outcome Determinants of Thoracic Trauma in Sri Lanka: A Multicentre Prospective Cohort Study

Prognostic determinants in thoracic trauma are of major public health interest. We intended to describe patterns of thoracic trauma, demographic factors, clinical course, and predictors of outcome in selected tertiary care hospitals in Sri Lanka. A multicentre prospective cohort study was conducted in five leading teaching hospitals from June to September 2017. Patients with thoracic trauma were followed up during the hospital stay. A logistic regression analysis was conducted using in-hospital morbidity as the dichotomous outcome variable. One hundred seventy-one patients were included in the study yielding 1450 (median = 8.5) person-days of observation. Of them, 71.9% (n = 123) were males. The mean age was 45.8 ± 17.9 years. Majority (39.2%, n = 67) were recruited from the National Hospital of Sri Lanka. Automobile accidents were the commonest (62.6%, n = 107), followed by falls (26.9%, n = 46), assaults (8.8%, n = 15), and animal attacks (1.8%, n = 3). The ratio of blunt to penetrating trauma was 5.6 : 1. Injury patterns were rib fractures (80.7%, n = 138), haemothorax (44.4%, n = 76), pneumothorax (44.4%, n = 76), lung contusion (22.8%, n = 39), flail segment (15.8%, n = 27), tracheobronchial trauma (7.0%, n = 12), diaphragmatic injury (2.3%, n = 4), vascular injury (2.3%, n = 4), cardiac contusions (1.1%, n = 2), and oesophageal injury (0.6%, n = 1). Ninety nine (57.9%) had extrathoracic injuries. Majority (63.2%, n = 108) underwent operative management including intercostal tube insertion (60.8%, n = 104), wound exploration (6.4%, n = 11), thoracotomy (4.1%, n = 7), rib reconstruction (4.1%, n = 7), and video-assisted thoracoscopic surgery (2.9%, n = 5). Pneumonia (10.5%, n = 8), bronchopleural fistulae (2.3%, n = 4), tracheaoesophageal fistulae (1.8%, n = 3), empyema (1.2%, n = 2), and myocardial infarction (1.2%, n = 2) were the commonest postoperative complications. The mean hospital stay was 15.6 ± 18.0 days. The in-hospital mortality was 11 (6.4%). The binary logistic regression analysis with five predictors (age, gender, mechanism of injury (automobile/fall/assault), type of trauma (blunt/penetrating), and the presence of extrathoracic injuries) was statistically significant to predict in-hospital morbidity (X ² (6, n = 168) = 13.1; p=0.041), explaining between 7.5% (Cox and Snell R ²) and 14.5% (Nagelkerke R ²) of variance. The automobile accidents (OR: 2.3, 95% CI = 0.2-26.2) and being males (OR: 2.3, 95% CI = 0.6-9.0) were the strongest predictors of morbidity.

The incidence and predictors of pneumothorax among trauma patients in Saudi Arabia. Findings from a level-I trauma center

ABSTRACT

Surgical fixation of rib fractures decreases intensive care length of stay in flail chest patients

Background

Nonoperative treatment is currently the standard therapy for rib fractures. However, there is a trend towards surgical fixation from conservative management over the last decade. While surgical fixation of rib fractures has shown promising results, its impact on the clinical results remains unclear based on the current literature. As such, the present study aims to compare the short-term outcomes of multiple rib fracture patients treated by surgical fixation with traditional conservative management.

Methods

Data for patients with multiple (three or more) rib fractures admitted to our department between January 2012 and January 2019 were retrospectively collected and analyzed. Propensity score matched patients were compared between those treated with surgical rib fixation and those of nonoperatively treated. Primary outcomes were hospital length of stay for multiple rib fracture patients, and intensive care unit (ICU) length of stay for flail chest patients. Secondary outcomes included in hospital mortality, ICU usage rate, duration of ventilator support, ventilator usage rate, and pneumonia.

Results

The study included 1,201 patients with mean age of 50.1±12.7 years, of whom 954 (79.4%) were male. The average number of rib fractures was 6.3±2.4, with a mean injury severity score of 20.5±7.3. Among them, 563 (46.9%) patients had surgical rib fixation and 638 (53.1%) patients received nonoperative treatment. There were 191 patients with a flail chest, 133 (69.6%) had operative rib fixation and 58 (30.4%) were nonoperatively treated. After propensity score match, the hospital length of stay was not significantly differed between surgery and conservative management in multiple rib fracture patients (10.7±3.4 vs. 10.2±3.8 days, P=0.067), nor were the secondary outcomes, in terms of in hospital mortality (0.9% vs. 1.1%, P=0.704), ICU usage rate (12.3% vs. 12.9%, P=0.820), duration of ventilator support (100.1±13.9 vs. 99.8±20.7 hours, P=0.822), ventilator usage rate (12.0% vs. 12.9%, P=0.732), and pneumonia (24.3% vs. 24.9%, P=0.861). For patients with a flail chest, shorter ICU length of stay was found to be associated with surgical rib fixation comparing with nonoperative treatment (5.5±1.9 vs. 6.7±2.1 days, P=0.011). No secondary outcomes such as in hospital mortality (4.4% vs. 4.4%, P=1.000), ICU usage rate (20.0% vs. 22.2%, P=0.796), duration of ventilator support (113.1±20.4 vs. 131.2±19.5 hours, P=0.535), ventilator usage rate (20.0% vs. 20.0%, P=1.000), pneumonia (28.9% vs. 31.1%, P=0.818) were significant different between the operative and nonoperative groups.

Conclusions

Surgical rib fixation results in a shorter ICU length of stay in patients with a flail chest, and a comparable outcome for patients with multiple rib fractures when compared with nonoperative treatment.

A University Hospital Based Study on Thoracic Trauma: Life Threatening Event, Its Etiology, Presentation, and Management

INTRODUCTION

Thoracic injury is becoming an important cause of mortality in Pakistan, especially in the younger subset of population. The initial management of these injuries is essential as these patients can develop multiple complications, ultimately leading to death of the patients.

MATERIALS AND METHODS

This prospective observational study was carried out from January 2016 to December 2018 at the Department of Surgery, Holy Family Hospital, Rawalpindi Medical University, Pakistan. It included all the patients over 12 years of age who had thoracic trauma, who presented in the ED, and were admitted to the surgical ward and intensive care unit (ICU). Data were collected with the help of a pre-designed proforma. After relevant investigations and treatment, data were collected and analyzed through Statistical Package for Social Sciences (SPSS) for version 19. Nominal variables were reported as frequencies and percentages.

RESULTS

Out of a total of 330 patients, 188 (56.9%) suffered from blunt injuries whereas 142 (43%) had penetrating injuries. The most common cause of these injuries was road traffic accidents -- 105 (32%) followed by falls -- 23 (76%). Most of the injuries encountered were isolated pneumothorax -- 74 (22.4%) followed by rib fractures with pneumothorax -- 71 (21.5%). Tube thoracostomy was done in 189 cases (57.3%) whereas 94 (28.5%) patients were managed conservatively. Complications were seen in 117 patients (35.4%). Out of these 117 cases, death was the major complication - 30 (25.6%) followed by bronchopleural fistula - 24 (20.5%) and empyema thoracis - 22 (18.8%).

CONCLUSION

Road traffic accidents are a major cause of thoracic injuries in our setting. Tube thoracostomy is the most commonly used treatment modality. Mortality rate is high in the patients with thoracic injuries.