Current status of infraclavicular subclavian vein catheterization.
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BACKGROUND: Failure to adequately evacuate blood from the pleural space after trauma may result in extended hospitalization and complications such as empyema. METHODS: Patients with retained hemothoraces were prospectively randomized to either a second tube thoracostomy (group 1, n = 24) or video-assisted thoracoscopy (VATS) (group 2, n = 15). Group 1 patients in whom additional tube drainage failed were subsequently randomized to either VATS or thoracotomy. Study end points included duration and costs of hospitalization. RESULTS: During a 4-year period, 39 patients were entered into the study. Patients in group 2 had shorter duration of tube drainage (2.53 +/- 1.36 versus 4.50 +/- 2.83 days, mean +/- standard deviation; p < 0.02), shorter hospital stay after the procedure (3.60 +/- 1.64 versus 7.21 +/- 5.30 days; p < 0.02), and shorter total hospital stay (5.40 +/- 2.16 versus 8.13 +/- 4.62 days; p < 0.02). Hospital costs were also less in this group ($7,689 +/- 3,278 versus $13,273 +/- 8,158; p < 0.02). There was no mortality in either group. No group 2 patient required conversion to thoracotomy. In 10 group 1 patients additional tube placement failed, and this subset was randomized to VATS (n = 5) or thoracotomy (n = 5). No significant difference in clinical outcome was found between these subgroups. CONCLUSIONS: In many patients treated only with additional tube drainage (group 1), this therapy fails, necessitating further intervention. Intent to treat with early VATS for retained hemothoraces decreases the duration of tube drainage, the length of hospital stay, and hospital cost. Early intervention with VATS may be a more efficient and economical strategy for managing retained hemothoraces after trauma.
Traumatic lung herniation is an unusual clinical problem. This case report describes a morbidly obese individual who sustained significant chest trauma in a motor vehicle accident. Lung herniation was noted at the time of delayed respiratory failure necessitating ventilation. The significance of the lung hernia in this patient's respiratory failure is uncertain. The lung hernia was repaired surgically to relieve pain, prevent incarceration, and optimize respiratory function. After a brief period of postoperative ventilation, the patient recovered markedly and has been well since.
BACKGROUND: Control of hemorrhage in patients with active bleeding from rupture of the aortic arch is difficult, because of the location of the bleeding and the impossibility of cross-clamping the aorta without interfering with cerebral perfusion. A precise and swift plan of management helped us salvage some patients and prompted us to review our experience. METHODS: Six patients with active bleeding of the aortic arch in the mediastinum and pericardial cavity (5 patients) or left pleural cavity (1 patient), treated between 1992 and 1996, were reviewed. Bleeding was reduced by keeping the mediastinum under local tension (3 patients) or by applying compression on the bleeding site (2 patients), or both (1 patient) while circulatory support, retransfusion of aspirated blood, and hypothermia were established. The diseased aortic arch was replaced during deep hypothermic circulatory arrest, which ranged from 25 to 40 minutes. In 3 patients, the brain was further protected by retrograde (2 patients) or antegrade (1 patient) cerebral perfusion. RESULTS: Hemorrhage from the aortic arch was controlled in all patients. Two patients died postoperatively, one of respiratory failure and the other of abdominal sepsis. Recovery of neurologic function was assessed and complete in all patients. The 4 survivors are well 8 to 49 months after operation. CONCLUSIONS: An approach relying on local tamponade to reduce bleeding, rapid establishment of circulatory support and hypothermia, retransfusion of aspirated blood, and swift repair of the aortic arch under circulatory arrest allows salvage of patients with active bleeding from an aortic arch rupture.
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Polymorphous hemangioendothelioma is a rare vascular tumor; only 5 patients have been previously described. Half of all cases described have occurred in the thoracic cavity, all being discovered on chest radiologic studies obtained for other reasons. This report presents the case of a female patient with polymorphous hemangioendothelioma and a brief review of the current literature.
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We report a patient who presented following major trauma to the chest who had a pericardial cyst in the anterior aspect of the upper mediastinum, the high CT number of which led to a misdiagnosis. The patient underwent surgery when the pericardial cyst was excised.
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BACKGROUND: firearm wounds of the chest are now common at our institution. The management algorithm for firearm wounds has not been evaluated for this mode of injury. METHODS: records of all patients with penetrating chest injuries admitted to an urban tertiary hospital over 1 year were retrieved and analysed. RESULTS: there were 473 stab and 116 firearm wounds. In comparison to stab injuries firearm wounds had significantly more normal X-rays (14 vs. 5%), fewer pneumothoraces (15 vs. 37%), and more contusions (43 vs. 2%). The frequency of haemothoraces (34 vs. 23%) and haemopneumothoraces (36 vs. 35%) was similar in both groups. Stabbing caused all the 18 cardiac injuries. Associated abdominal injuries occurred in 8% of stab and 34% of firearm injuries. Pneumothoraces due to firearms were uncommon and rarely required drainage. More pneumothoraces were treated nonoperatively among firearm injuries in contrast to stabbing injuries where the opposite applied. The management of haemothorax and haemopneumothorax was similar in both groups that fulfilled the criteria for drainage. The rate of ICU admission was higher and the hospital-stay longer following firearm injuries. Fifty-nine patients died (10% of the total), 33 (28%) from the firearm injuries and 26 (6%) from stab-wounds. Early deaths were 1 and 3% for stabs and firearms, respectively. CONCLUSIONS: patients with firearm injuries reaching hospital suffered three times higher mortality and a longer ICU and hospital stay than those with stab injuries. However, early mortality was similar for both modes of injury and validates the continued application of the stab wound derived management algorithm to all modes of injury.
Horse riding and handling are uniquely dangerous. Knowledge of the risk factors of horse-related injuries is essential to prevent them. We aimed to define the factors that affect the severity of horse-related injuries and the length of hospital stay. A number of 231 patients (136 females and 95 males) with horse-related injuries were studied. A generalized linear model was used to test the effect of age, sex, cause of injury, complexity of the mechanism of injury, year, place of injury and profession of the injured, on the injury severity score (ISS) and the hospital stay. Fall from a horse was the most common cause of injury (67%). Most of the patients were non-professional (153, 66%). Females were significantly younger than males (P<0.001, t-test). Statistical analysis showed that the primary mechanism of injury (F=2.73, P=0.014) and the complexity of this mechanism (F=4.47, P=0.013) significantly affected the duration of hospital stay. None of the studied variables affected the injury severity score. The mechanism of the horse-related injuries and their complexity significantly affected the duration of hospital stay but not the injury severity score.
The majority of chest-injured patients are managed with resuscitation and placement of chest tubes. Further interventions are required for complications or missed injuries. Video-assisted thoracic surgery (VATS) has become standard in elective surgery. Our purpose was to review the use of VATS in trauma. The literature and our experience support the use of VATS for specific indications. These indications are: (1) management of retained haemothorax; (2) management of persistent pneumothorax; (3) evaluation of the diaphragm in penetrating thoraco-abdominal injuries and management; (4) management of infected pleural space collections; and (5) diagnosis and management of on-going bleeding in haemodynamically stable patients. VATS for specific indications in trauma is associated with improved outcomes and decreased length of stay. VATS provides diagnostic and therapeutic benefit and should be included in the trauma surgeon's clinical armamentarium.
In a prospective study, 85 patients underwent simple observation for minor injuries of the pleural cavity as a result of penetrating injury of the chest. Seven patients (8 per cent) required delayed drainage, because of an increase in the size of the pneumothorax and/or haemothorax, but in all cases drainage was instituted within 24 hours. Haemopneumothorax is the most likely underlying disorder to require delayed drainage. Subcutaneous emphysema is of no value for identifying those cases likely to need delayed drainage. Twenty-four hours is adequate for the observation of patients with slight effects of penetrating wounds of the chest.