TRAUMA DE TORAX PDF

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One hundred patients with thoracic trauma were assisted throughout six months in Data from their records were collected and a protocol of thoracic trauma was fulfilled. The Revised Trauma Score was used to evaluate gravity of injury and to calculate the survival index.

Prevalence of trauma injury in male from 20 to 29 years old was observed. Out of all patients, 44 had blunt trauma and 56 penetrating trauma In those with the thoracoabdominal transition injury, Thoracoabdominal injury patients presented Of those with precordium wound, In cardiac onset, The thoracic trauma patient is most prevalently young male with stab wound penetrating injury, without associated injuries, hemodynamically stable, presenting hemothorax, with high probability of survival.

The classification of thoracic lesions is basically limited to blunt or penetrating injuries, and the latter divided in stabbing or gunshot. The successful care of these patients depends on identification of the types of lesion and appropriate management, which is simple but decisive for patient survival. A thoracic trauma protocol was prepared and filled in with data from the medical charts of one hundred patients seen in , throughout a six-month period, at the Emergency Department of the ISCMSP.

This protocol comprised the following items: identification, mechanism of trauma, general and specific physical examination, radiological exams, initial management, treatment, associated lesions, mechanical ventilation, diagnosis and progression. Based on these pieces of information, patients were divided into three groups, respecting the classification proposed by Saad Jr. Group I comprised unstable patients; Group II included stable patients and thoracic drainage was their definite treatment; and Group III was composed of stable patients in whom thoracic drainage was not the definite treatment.

The Revised Trauma Score RTS that is widely used in pre-hospital screening was employed to assess severity of the lesion of these patients and to calculate the survival rate based on the physiological parameters of systolic blood pressure, respiratory rate and Glasgow Coma Scale 4. Hence, it was possible to input data and analyze them to know the frequency of the types of lesions and their presentations, and to compare with the expected survival and among the classification groups.

Upon analysis of cases, there was a prevalence of males aged 20 to 29 years. The findings more often found in blunt thoracic traumas were fractures of costal arches. Moreover, polytrauma was also frequent, and fracture of limbs Figure 1 was the main factor simultaneous to thoracic trauma.

In cases of penetrating injuries, hemothorax was predominant and almost always associated to pneumothorax Figure 2. In patients with thoraco-abdominal wounds, As to precordial lesions, In individuals with thoraco-abdominal injuries, In precordial wounds, According to the classification proposed by Saad Jr.

Other types of surgery frequent in this group included splenectomy, hepatorraphy, diaphragmatic repairs, cardiorraphy, gastrorraphy, vascular repair and craniotomy. The mortality rate of the group was 8. The mean RTS value calculated was 6. The epidemiological profile of the thoracic trauma patients analyzed was consistent with the literature for all types of trauma, that is: young males aged between 20 and 29 years.

The surprise was the higher incidence of penetrating traumas, mainly by knives, contrary to expectations regarding the high number of gunshot wounds. The associated lesions were more common in closed trauma due to high energy mechanisms of trauma, which are generally related to patients with polytrauma. In weapon wounds, two cavities are created: a permanent one, visible upon examination, and a temporary orifice that last only a few seconds, due to the displacement of the mass resulting from dissipation of energy coming from the bullet.

As to penetrating wounds related to stabbing, the mechanism is local, causing lesions only in the affected area and not creating this temporary cavity. Therefore, knife lesions resulted mainly in hemothorax and pneumothorax, which were simultaneous in many cases 5. The diaphragmatic lesions were more frequent than in the literature 6 , 7. Most patients were stable despite severity of wounds. This may be attributed to the high incidence of lesions caused by stabbing, which were more localized and had less systemic effect, since isolated diaphragm lesion does not cause severe effects.

The events usually associated to this lesion may lead to immediate hemodynamic and respiratory unbalance, with reduced cardiac output and formation of hypertensive pneumothorax 8 , 9.

The same applies to patients with heart lesions who are mostly stable The predominance of cases of exclusively thoracic penetrating trauma made these patients undergo drainage. In many patients this was the only definite treatment, resulting in more cases in Group II according to the classification by Saad Jr. However, Group I, — of severe patients, was larger than expected, for having more cases with a high number of associated lesions. Another procedure that was frequent in this study was diaphragmatic repair, mainly due to the high prevalence of diaphragmatic lesions.

In the present study, the patients had a The slight difference of the calculated survival probability and real survival found is related to the fact that there were many critically-ill individuals usually the polytrauma , unlike most patients who were in Group II of the classification by Saad Jr. The high survival rates are explained by the low incidence of associated lesions in the cases studied.

Most of these traumas affect the lungs, which are organs with their own healing and drainage mechanisms that generate effective post-trauma resolution. The increased number of stab wounds stood out. The high survival rate was associated to the limited number of cases with extra-thoracic lesions, classified as Group I, according to the classification by Saad Jr. Among the injuries in transition zone, there were more stable cases and a high frequency of diaphragmatic lesions.

As to precordial wounds, the same trend towards stability was observed. Thoracic drainage was the most often preformed procedure, confirming a higher prevalence cases classified as Group II, followed by diaphragmatic repairs. The data found are important to show to the Multidisciplinary Emergency Department team that it is relevant to analyze the types of lesions and check lesions associated to thoracic trauma, according to the patient profile.

The analysis of consecutive studies carried out in diverse emergency departments will confirm the importance of systematizing care of thoracic trauma, in addition to contributing to planning actions regarding care of patients with a multidisciplinary approach to always increase the survival rate of patients.

This study is expected to provide subsidies to those working in Emergency Departments so as to consider the most prevalent thoracic lesions in each Service and associated comorbidities, and also to contribute to planning actions regarding multidisciplinary emergency care of victims of thoracic injuries due to external causes.

A profile of patients with thoracic trauma and presentation of their lesions was demonstrated, as well as an estimate of their survival through trauma scores. The thoracic trauma patient more frequently found in this study was male aged 20 to 29 years, with penetrating stab wounds, clinically stable, with primarily hemothorax with no associated lesions and high probability of survival.

Rev Bras Epidemiol. Rev Col. Bras Cir. Norman E, Mcswain JR. Laparoscopy is sufficient to exclude occult diaphragm injury after penetrating abdominal trauma. J Trauma. Leppaniemi A, Haapiainen R. Occult diaphragmatic injuries caused by stab wounds. Estudo experimental em ratos [tese]. Penetrating cardiac wounds: predictive value of trauma indices and the necessity of terminology standardization. Am Surgeon.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Services on Demand Journal. Original Article Thoracic trauma: analysis of consecutive cases. Methods: One hundred patients with thoracic trauma were assisted throughout six months in Results: Prevalence of trauma injury in male from 20 to 29 years old was observed.

Conclusions: The thoracic trauma patient is most prevalently young male with stab wound penetrating injury, without associated injuries, hemodynamically stable, presenting hemothorax, with high probability of survival. Received: October 01, ; Accepted: July 30, How to cite this article.

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