The analysis of 89 patients that performed tube thoracostomy by general surgeons

Abstract

Objective: Death due to thoracic trauma accounts for 20% of all trauma deaths. The aim of this study was to discuss our approach applied by general surgeons for thoracic traumas in our center.
Material and Methods: A total of 89 patients (82 males, 7 females; mean age: 26.8 years; range: 7 to 77 years) with thoracic trauma who were admitted to the emergency department and underwent thoracostomy by general surgeons between January 2008 and December 2013 were retrospectively analyzed.
Results: Penetrating trauma was found in 61 patients (68%), which was the most common cause of thoracic trauma. Pneumothorax was the most common clinical sign in 57 patients (64%). Abdominal pathologies were the most common concomitant extra-thoracic pathologies in 17 patients (19%). Fifteen patients (17%) underwent laparotomy due to an intra-abdominal organ injuries. Splenic trauma and diaphragmatic injury were detected in five patients. Complications were seen in two patients (2.2%): one had an air leak and one had persistent pneumothorax. Three patients with multi-trauma died in the early period due to additional pathologies. No mortality was seen in any patient due to thoracic trauma.
Conclusion: Approaches to thoracic trauma should be well-known by all general surgeons and necessary emergency interventions should be performed as a matter of urgency. It is also essential to correctly select patients who are in need of a timely and appropriate referral to a tertiary center to reduce the rate of mortality and morbidity.

Keywords: Hemothorax, pneumothorax, thoracic injury, tube thoracostomy

Introduction

Tube thoracostomy due to trauma may be regarded differently by general surgeons than by thoracic surgeons. Most cases in the literature are reported by thoracic surgeons. Mortality and morbidity rates are high in blunt or penetrating thoracic trauma. The mortality rate due to thoracic trauma is approximately 4%-20% (1). Therefore, early diagnosis and treatment are essential to provide respiratory continuity. Applying appropriate approaches to patients with thoracic trauma may substantially reduce mortality and morbidity rates. Although thoracic surgeons usually address thoracic trauma, treatment and follow-up of many patients are performed by general surgeons in places where no thoracic surgeon is available or in cases with multi-trauma. Tube thoracostomy is a tool with unique diagnostic and therapeutic capabilities. The question of whether a general surgeon requires the aid of a thoracic surgeon in all cases has been widely addressed by the real-world practices of general surgeons. The lifesaving capacity of tube thoracostomy due to its facile application should not be overlooked by general surgeons due to concerns of malpractice.

The aim of the present study was to discuss our approach to patients with thoracic trauma in our center, where no thoracic surgeon is available.

Material and Methods

Written informed consent was obtained from each patient. The study protocol was approved by the local Ethics Committee. The study was conducted in accordance with the principles of the Declaration of Helsinki. A total of 89 patients with thoracic trauma who were admitted to the emergency department of our hospital, who underwent tube thoracostomy, and who were followed at the general surgery outpatient clinic between January 2008 and December 2013 were retrospectively analyzed. Patients with tube thoracostomy due to iatrogenic causes or due to other operations or interventions were excluded from the study. The patients included in the study were evaluated in terms of age, sex, etiology of the trauma, clinical signs, accompanying trauma, applied surgical interventions, referral to an advanced center, and mortality. All patients were evaluated by physical examination, laboratory tests, and radiology and were monitored with serial posteroanterior chest X-rays. Additional imaging, such as thoracic computed tomography (CT), was performed if required. Patients with extra-thoracic injury were treated and monitored concomitantly by relevant specialists.

Statistical Analysis
Data concerning demographicand clinical characteristics were analyzed by using descriptive methods (means, minimum-maximum). The statistical software used was Statistical Package for the Social Sciences for Windows, version 15.0 (SPSS Inc.; Chicago, IL, USA)

Results

Of all the patients, 82 (92%) were male and seven (8%) were female, with a mean age of 26.8 (range: 7-77) years (Table 1). Tube thoracostomy was performed in the left hemithorax, right hemithorax, and bilaterally in 53, 33, and 3 patients, respectively. Posteroanterior chest X-rays were obtained in all patients except three, whose general conditions were poor. CT was obtained in 33 patients (37%) for whom further imaging was necessary. Penetrating trauma was found in 61 patients (68%); this was the most common cause of thoracic trauma. Other etiological causes are shown in Table 2. Pneumothorax, the most common clinical sign, was found in 57 patients (64%), followed by hemopneumothorax in 21 patients (23%). Other findings are shown in Table 3, 4. Abdominal pathologies, the most common concomitant extra-thoracic pathologies, were found in 17 patients (19%), followed by extremity pathologies in 15 patients (17%). Other extra-thoracic pathologies are shown in Table 5. Fifteen patients (17%) underwent laparotomy due to intra-abdominal organ injury. Splenic trauma and diaphragmatic injury were detected in five patients, while two patients underwent splenorrhaphy and three underwent splenectomy. Diaphragm injuries were repaired in all these patients. Other reasons for laparotomy included injuries to the liver, small bowel, urinary bladder, stomach, and colon (Table 6). One patient who was admitted to the hospital due to a motor vehicle accident had first- and second-degree burns in an area less than 10% of the body surface. One patient had a fracture of the mandible. Three patients died during the first hour after arrival at the hospital due to additional cranial pathologies. Pneumothorax was present in three patients with cranial pathologies; however, no hemothorax was detected. Emergency thoracotomy was performed following the development of severe hypotension in two patients who had isolated thoracic penetrating knife injuries that penetrated the thoracic cavity. Left ventricular and left atrial injuries were each found in one patient. Both patients were stable postoperatively and were discharged uneventfully on the fifth and eighth postoperative days, respectively.

Table 1. Demographic characteristics of patients

Table 2. Etiological causes

Table 3. Clinical signs

Table 4. Other thoracic pathologies

Table 5. Extra-thoracic pathologies

Table 6. Causes for laparotomy

Discussion

Mortality and morbidity are high in blunt or penetrating thoracic traumas; the mortality rate of all thoracic trauma cases is approximately 4%-20% (1). Thoracic trauma is the third most common type of trauma, following head and extremity trauma (2, 3). Blunt and penetrating traumas cause other organ injuries in 75% of cases, which substantially increases the rates of mortality and morbidity (2). In the literature, the rates of penetrating and blunt trauma have been reported to be variable. Leblebici et al. (4) reported an incidence of penetrating trauma of 63.3%. However, blunt trauma was reported to be more common in several studies, while penetrating trauma accounted for 30% of cases (5, 6). The incidences of blunt and penetrating trauma were also reported to be 58.7% to 75.8% and 24.1% to 41.3%, respectively (4, 7-10). In the present study, 25 patients (28.1%) had blunt trauma and 64 patients (71.9%) had penetrating trauma. The different rates of penetrating and blunt trauma in our study are mostly due to socioeconomic status and the proximity of the research area to a region with busy roads.

In addition, thoracic traumas have been reported to occur more frequently in men (4, 8, 9). Consistent with this finding, 82 patients (92%) were male in our study. Furthermore, the most frequent bone pathologies accompanying thoracic traumas are single or multiple rib fractures. In addition to rib fractures, clavicle, scapula, and sternal fractures have been reported (8, 9). Although sternal fractures are rare, the risk of cardiac injury is increased in those cases, particularly in the presence of rib fractures (11). Similarly, in the present study, rib fractures were the most common bone pathology. We also found cardiac injury in two patients. In both patients, the etiological cause was penetrating injury but not blunt trauma. Rupture of the diaphragm is seen principally on the left side due to a sudden increase in intra-abdominal pressure (12-14). Five patients (6%) had diaphragmatic injury in the present study; all were repaired using an abdominal approach.

Hessani et al. (15) and Martin et al. (16) reported the duration of hospital stay in patients who underwent thoracic tube placement to be 4.1 days and 10.4 days, respectively. Removal of the tube was reported after 5.9 and 3 days by Martin et al. (16), and Younes et al. (17), respectively. In the present study, the mean hospital stay and mean duration until extubation were 5.1 days and 3.4 days, respectively. Complications of tube thoracostomy include persistent air leak, persistent pneumothorax, recurrent pneumothorax, and non-functioning tube. In several studies, the rate of complications was reported to vary between 4.8% and 30% (16-20), consistent with our study findings (2.2%). Duration of the removal of the tube, length of hospital stay, and development of complications related to the thoracic tube have been associated with severity of injury. The specialty of the health professional, such as surgery or emergency medicine, inserting the thoracic tube and the team transporting the patients have been also implicated in the development of complications (16).

In a study reported by general surgeons, 110 patients with thoracic trauma were evaluated; 14 complications (12.7%) were seen where procedures other than tube thoracostomy were undertaken by general surgeons alone, which resulted in higher complication rates compared to our study (21). According to Ball et al. (22), complications may vary depending on the training discipline. The rates of complications in general surgery, internal and family medicine, other surgical disciplines, and emergency medicine were 7%, 13%, 25%, and 40%, respectively. Bevis et al. (23) also reported that complication rates decreased from 12% to 8% when surgeons with advanced practice skills treated the patients rather than trauma surgeons. In another study supporting the previous study, Etoch et al. (19) showed that the rate of complication was 6% in patients treated by thoracic surgeons, while it was 13% in patients treated by emergency physicians. Moreover, they stated that referring all patients to a thoracic surgeon resulted in a complication rate of 38%. The results of our study were different from what we expected compared to previous studies. We consider that the reduced duration of hospitalization, time to extubation, and complication rates may all be due to the fact that patients with severe injuries were referred to more advanced centers.

In addition, extremity fractures have been reported to be the most common extra-thoracic pathologies (50%-54%). Head trauma (27.4%-44%) and abdominal injuries (13.7% to 21%) are among the other commonly seen extra-thoracic pathologies (24, 25). However, these rates were found to be lower in the present study. The most common extra-thoracic pathology was abdominal injury (19%). Extremity fractures were seen in 17% of the patients, while head trauma was seen in 3% of the patients. The most common injury was splenic damage among the patients requiring laparotomy. Appropriate interventions were performed in patients with intra-abdominal injuries.

In contrast, no mortality was seen in any patients with thoracic trauma who underwent tube thoracostomy in the present study. We consider that the most important reasons for this result are the timely diagnosis of patients with severe injury, timely initial intervention, and appropriate referrals to advanced centers. Therefore, the motto of a general surgeon should be not to refer every patient to tertiary centers and not to delay referral in selected cases to achieve acceptable rates of mortality and morbidity.

Conclusion

All general surgeons should be highly familiar with approaches to thoracic trauma, and necessary interventions should be performed in emergency situations. It is also essential to correctly identify patients who require timely and appropriate referral to a tertiary center to reduce the rates of mortality and morbidity.

This study was presented at the “19th Turkish National Congress of Surgery, 16-20 April 2014, Antalya, Turkey.
Cite this paper as: Tatar C, Kocakuşak A, Özer B, Kızılkaya MC, Karşıdağ T, Arı A, Büyükaşık K. Analysis of 89 patients who underwent tube thoracostomy performed by general surgeons. Turk J Surg 2018; 34: 49-52.

Ethics committee approval was received for this study from the ethics committee of Haseki Training and Research Hospital.

Written informed consent was obtained from patient who participated in this study.

Externally peer-reviewed.

Concept - C.T.; Design - C.T.; Supervision - C.T., T.K., A.K.; Resource - C.T.; Materials - C.T., B.O., M.C.K., A.A., K.B.; Data Collection and/or Processing - C.T., B.O., M.C.K., A.A., K.B.; Analysis and/or Interpretation - C.T., A.K., T.K.; Literature Search - C.T., B.O., M.C.K., A.A., K.B.; Writing Manuscript - C.T.; Critical Reviews - A.K., T.K.

No conflict of interest was declared by the authors.

The authors declared that this study has received no financial support.

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