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PubMed2003

Acute and chronic pleural complications in lung transplantation.

BACKGROUND: Lung transplant recipients may have pleural complications. However, the influence of these complications on the prognosis is not well known. METHODS: We analyzed pleural complications and clinical and radiologic data from 100 patients who underwent lung transplantation in a general hospital in a 9-year period. Pre-operative evaluation, surgical protocol, immunosuppressive regimen, and follow-up were carried out systematically. Chest computerized tomography (CT) was performed at 3 and 12 months after transplantation. RESULTS: All patients had early post-operative pleural effusion ipsilateral to the graft, which required drainage for a mean of 19.3 days (range, 5-52 days). Thirty-four patients had 43 acute pleural complications: 15 hemothoraxes, 10 persistent air leaks, 8 pneumothoraxes, 7 transient air leaks, and 3 empyemas. Multivariate analysis showed hemothorax and persistent air leak were associated with increased post-operative mortality (p = 0.024, p = 0.011, respectively). Post-operative mortality was not associated with any pre-transplant variable. Chest CT findings at 3 months revealed > or =1 pleural alteration in 58 of 70 patients (83%): 34 post-operative residual ipsilateral pleural effusions; 36 pleural thickenings; and 3 residual pneumothoraxes, 1 with a coexisting bronchial dehiscence. Chest CT at 12 months showed pleural alterations in 50 of 58 patients (86%): pleural thickening in 48, calcification in 4, and residual pleural effusion in 4. CONCLUSIONS: Pleural complications are common in lung transplant recipients. Hemothorax and persistent air leak are associated with increased post-operative mortality. Chest CT showed pleural alterations in most patients 12 months after transplantation.

Acute Disease↗
PubMed2000

Potentially lethal complications of central venous catheter placement.

BACKGROUND: Placement of central venous catheters, although often considered to be a relatively safe and "junior"-level procedure, may be associated with life-threatening complications. METHODS: A recent surgical death associated with placement of a central venous catheter at this Institution led to submission of a questionnaire to pediatric surgeons referenced through the American Pediatric Surgical Association directory regarding knowledge of similar incidents and information regarding catheter placement-related complications. RESULTS: Results to this response, although anecdotal, provided data regarding complications of an acute nature, which fell into the categories of pneumothorax, hydrothorax, cardiac tamponade, and hemothorax. Of 10 children with cardiac tamponade, 7 were infants, and most complications were associated with needle stick for access, with symptoms developing within minutes up to 12 hours after the procedure. Drainage of the tamponade was performed by aspiration alone in 3 cases; surgical drainage in 6 children resulted in survival in 9 of the 10 patients. Hemothorax was described in 19 patients and appeared to be more common in children in the 1- to 6-year age group, usually associated with percutaneous access techniques. Thoracotomy for hemothorax was performed in 16 children with 11 survivors. Vascular injury to subclavian artery, vein, or superior vena caval were noted in most at operation. CONCLUSIONS: Although data included in this review are entirely anecdotal and not subject to scientific scrutiny or analysis, certain conclusions appear evident. Inherent risks of central venous catheters are intrinsic and should be discussed with the family in obtaining preoperative consent, including life-threatening risks that may necessitate urgent surgical intervention (by thoracotomy or other means). Certain technical aspects of the procedure should be rigidly followed with an experienced surgeon in attendance throughout the procedure. Rapid evaluation should be performed for any unexplained problems that occur in the operating theatre or during the early postoperative period.

Age Distribution↗
PubMed1997

Value of thoracic computed tomography in the first assessment of severely injured patients with blunt chest trauma: results of a prospective study.

OBJECTIVE: The aim of this prospective study was to evaluate whether early thoracic computed tomography (TCT) is superior to routine chest x-ray (CXR) in the diagnostic work-up of blunt thoracic trauma and whether the additional information influences subsequent therapeutic decisions on the early management of severely injured patients. PATIENTS AND METHODS: In a prospective study of 103 consecutive patients with clinical or radiologic signs of chest trauma (94 multiple injured patients with chest trauma, nine patients with isolated chest trauma), an average Injury Severity Score of 30 and an average Abbreviated Injury Scale thorax score of 3, initial CXR and TCT were compared after initial assessment in our emergency department of a Level I trauma center. RESULTS: In 67 patients (65%) TCT detected major chest trauma complications that have been missed on CXR (lung contusion (n = 33), pneumothorax (n = 27), residual pneumothorax after chest tube placement (n = 7), hemothorax (n = 21), displaced chest tube (n = 5), diaphragmatic rupture (n = 2), myocardial rupture (n = 1)). In 11 patients only minor additional pathologic findings (dystelectasis, small pleural effusion) were visualized on TCT, and in 14 patients CXR and TCT showed the same pathologic results. Eleven patients underwent both CXR and TCT without pathologic fundings. The TCT scan was significantly more effective than routine CXR in detecting lung contusions (p < 0.001), pneumothorax (p < 0.005), and hemothorax (p < 0.05). In 42 patients (41%) the additional TCT findings resulted in a change of therapy: chest tube placement, chest tube correction of pneumothoraces or large hemothoraces (n = 31), change in mode of ventilation and respiratory care (n = 14), influence on the management of fracture stabilization (n = 12), laparotomy in cases of diaphragmatic lacerations (n = 2), bronchoscopy for atelectasis (n = 2), exclusion of aortic rupture (n = 2), endotracheal intubation (n = 1), and pericardiocentesis (n = 1). To evaluate the efficacy of all those therapeutic changes after TCT the rates of respiratory failure, adult respiratory distress syndrome, and mortality in the subgroup of patients with Abbreviated Injury Scale thorax score of > 2 were compared with a historical control group, consisting of 84 patients with multiple trauma and with blunt chest trauma Abbreviated Injury Scale thorax score of > 2, prospectively studied between 1986 and 1992. Age (38 vs. 39 years), average Injury Severity Score (33 vs. 38), and the rate of respiratory failure (36 vs. 56%) were not statistically different between the two groups, but the rates of adult respiratory distress syndrome (8 vs. 20%; p < 0.05) and mortality (10 vs. 21%; p < 0.05) were significantly reduced in the TCT group. CONCLUSIONS: TCT is highly sensitive in detecting thoracic injuries after blunt chest trauma and is superior to routine CXR in visualzing lung contusions, pneumothorax, and hemothorax. Early TCT influences therapeutic management in a significant number of patients. We therefore recommend TCT in the initial diagnostic work-up of patients with multiple injuries and with suspected chest trauma because early and exact diagnosis of all thoracic injuries along with sufficient therapeutic consequences may reduce complications and improve outcome of severely injured patients with blunt chest trauma.

Adolescent↗
PubMed2006

Bilateral pleural endometriosis.

The patient was a 40-year-old woman with a 1-year history of catamenial chest pain and a recent bilateral hemothorax. She underwent a left thoracotomy for surgical pleurodesis, and a pleural biopsy. Subsequently, she had a hysterectomy in conjunction with an oophorectomy. The pathologic investigation of the pleura revealed an endometrial implant. The postoperative course was uneventful with no recurrence of hemothorax and chest pain during the first 6 months and at the patient's follow-up. This is a very rare case of a patient with thoracic endometriosis presenting with bilateral hemothorax.

Adult↗
PubMed1998

Doxycycline pleurodesis in rabbits: comparison of results with and without chest tube.

We have reported previously that there is a high incidence of hemothorax and substantial mortality in rabbits that are given tetracycline derivatives intrapleurally. However, such complications have not been reported in humans when pleurodesis is attempted with tetracycline derivatives. One primary difference in the two situations is that a chest tube is placed only in humans. The objective of this study was to evaluate the hypothesis that chest tube placement would prevent the development of hemothoraces and lead to better pleurodesis in rabbits given doxycycline intrapleurally. Eighty New Zealand White male rabbits received doxycycline, 20 mg/kg, in a total volume of 2 mL. One half of the rabbits were randomized to receive a chest tube at the time of the injection and were subjected to pleural fluid aspiration twice daily. The remaining rabbits (control group) received no chest tube and no aspiration. Ten rabbits from each group were killed on days 4, 7, 14, and 28. The intrapleural injection of doxycycline induced the production of large exudative effusions. The insertion of chest tubes prevented the development of hemothorax (0/20 in chest tube group, 15/20 in control group, p<0.001). The insertion of chest tubes was also associated with a significant reduction in mortality and a significant improvement in pleurodesis. When pleurodesis is attempted in rabbits with intrapleural doxycycline, the insertion of a chest tube will prevent hemothorax and lead to a better pleurodesis.

Animals↗
PubMed1990

[A case of intrapleural rupture of pulmonary arteriovenous malformation with shock].

We report a case of a 59-year-old male who suddenly developed massive right hemothorax and shock due to pulmonary arteriovenous malformation (AVM). He was admitted as an emergency case because of severe back pain, cyanosis and cold sweat. Although shock with massive right hemothorax was found, echocardiographic and X-ray computed tomographic examination showed no dilatation of the aorta, no intimal flap in the aorta and no pericardial effusion which suggested aneurysm. Pulmonary arteriography, performed subsequently, disclosed intrapleural rupture of the right pulmonary AVM. The patient recovered successfully from the state of shock. The pulmonary AVM was removed by segmentectomy of the right lung (S4). He was discharged following an uneventful postoperative course. Intrapleural rupture with shock is a very rare complication of pulmonary AVM. Pulmonary AVM should be considered as one possible cause in patients with massive hemothorax and shock.

Arteriovenous Malformations↗
PubMed1995

[Severe complications of percutaneous hepatic biopsy in patients with orthotopic liver transplantation].

The incidence and type of complications appearing following the performance of liver biopsies were analyzed in the first 166 liver transplants in our hospital. The presence of a severe complications was defined if a patient presented hemoperitoneum, pneumothorax, hemothorax, post biopsy infection or symptomatic puncture of abdominal organs other than the liver. Four hundred thirty-eight liver biopsies were carried out in 129 patients with a mean of 3.4 biopsies per patient. The severe complications were observed in 7 (1.6%), all of which were bleeding episodes. Four hemothorax requiring the placement of a thoracic drainage tube were observed. In two cases thoracotomy was required with death occurring in one patient. Three hemoperitoneum were also seen requiring laparotomy in one and transfusion in the remaining two patients. Out of the non transplanted patients, four presented severe complications (0.7%), 50% of which were hemoperitoneum. No patient presented hemothorax and no deaths were reported. The authors conclude that the incidence of severe post liver biopsy complications in transplanted is low, similar to that reported in non transplanted patients. Nonetheless, there does appear to be a higher incidence of bleeding complications in the transplanted patients.

Biopsy↗
PubMed1995

[Wilson-Jones type angiosarcoma with marked response to intrapleural administration of interleukin-2].

A 64-year-old woman was admitted to our hospital with a hemothorax after one year of therapy for angiosarcoma that had arisen from the skin of the head. The hemothorax was believed to have resulted from metastasis of the angiosarcoma. Interleukin-2 (IL-2) at a dose of 20 x 10(4) U once daily was administered intrapleurally. Clinical improvement was first observed on the second day after the first dose of IL-2. Increases in natural and in lymphokine-activated killer activity of lymphocytes in pleural effusion were found on the eighth day. Starting on the 16th day of IL-2 therapy, no more fluid was drained, so administration of IL-2 was stopped. The clinical course indicated that the pleural effusion disappeared not because of pleurodesis but because of the anti-cancer effects of IL-2. There were no marked side effects, and intrapleural administration of IL-2 may be useful in patients with hemothorax due to metastasis of angiosarcoma.

Female↗
PubMed1997

[Can diagnosis and subsequent trauma management of the multiple trauma patient with blunt thoracic trauma be improved by early computerized tomography of the thorax?].

OBJECTIVE: The aim of this prospective study was to evaluate, whether early thoracic computed tomography (TCT) is superior to routine chest x-ray (CXR) in the diagnostic work up of blunt thoracic trauma and whether these additional informations influence subsequent therapeutical decisions in the early management of severely injured patients. PATIENTS AND METHODS: In a prospective study of 103 consecutive patients with clinical or radiological signs of chest trauma (94 multiple injured patients with chest trauma, 9 patients with isolated chest trauma) with an average ISS of 30 and an average AIS thorax of 3 initial CXR and TCT were compared after first assessment in our emergency department of a level I trauma center. RESULTS: In 67 patients (65%) TCT detected major complications of chest trauma, that have been missed on CXR [lung contusion (n = 33), pneumothorax (n = 27), residual pneumothorax after chest tube placement (n = 7), hemothorax (n = 21), displaced chest tube (n = 5), diaphragmatic rupture (n = 2), myocardial rupture (n = 1)], in 11 patients only minor additional pathologic findings (dystelectasis, small pleural effusion) were visualized on TCT and in 14 patients CXR and TCT showed the same pathological results. 11 patients had both CXR and TCT without pathological findings. The TCT scan was significantly more effective than routine CXR in detecting lung contusions (p < 0.001), pneumothorax (p < 0.005) and hemothorax (p < 0.05). In 42 patients (41%) the additional TCT findings resulted in a change of therapy: chest tube placement or chest tube correction of pneumothoraces or large hemothoraces (n = 31), change in mode of ventilation and respiratory care (n = 14), influence on the management of fracture stabilization (n = 12), laparotomy in cases of diaphragmatic lacerations (n = 2), bronchoscopy for atelectasis (n = 2), exclusion of aortic rupture (n = 2), endotracheal intubation (n = 1), pericardiocentesis (n = 1). CONCLUSIONS: TCT is highly sensitive in detecting thoracic injuries after blunt chest trauma and is superior to routine CXR in visualizing lung contusions, pneumo- and hemothorax. Early TCT influences therapeutic management in a considerable subset of patients. We therefore recommend TCT in the primary diagnostic work up of multiple injured patients with suspected chest trauma, because early and exact diagnosis of all thoracic injuries along with sufficient therapeutic consequences may reduce complications and improve outcome of severely injured patients with blunt chest trauma.

Adolescent↗
PubMed1997

Role of videothoracoscopy in chest trauma.

BACKGROUND: The aim of this study was to evaluate videothoracoscopic procedures in the setting of chest trauma. METHODS: We retrospectively analyzed our experience of videothoracoscopy in patients with either blunt trauma or penetrating thoracic injuries. RESULTS: Forty-three procedures involving 42 patients were performed between July 1990 and April 1996. Indications for videothoracoscopy included suspected diaphragmatic injury (14 patients), clotted hemothorax (12), continued hemothorax (6), persistent pneumothorax (5), intrathoracic foreign body (4), posttraumatic chylothorax (1), and posttraumatic empyema (1 patient). Ten patients (24%) required conversion to thoracotomy. Two patients suffered postoperative pneumonia. There was one perioperative death. Mean hospital stay was 17 days; 21 days for patients with blunt trauma and 13 days for patients with penetrating injuries. There was no procedure-related complication. Videothoracoscopy allowed precocious discharge of patients suffering penetrating injuries and allowed faster recovery in the majority of patients suffering severe blunt trauma. CONCLUSIONS: Videothoracoscopy appears to be a safe, accurate, and useful approach in selected patients with chest trauma. It is ideal for the assessment of diaphragmatic injuries, for control of chest wall bleeding, for early removal of clotted hemothorax, for treatment of empyema, for treatment of chylothorax, for treatment of persistent pneumothorax, and for removal of intrathoracic foreign body. However, we do not recommend the use of this technique in the setting of suspected great vessel or cardiac injury.

Adolescent↗
PubMed2004

Injuries and liability related to central vascular catheters: a closed claims analysis.

BACKGROUND: To assess changing patterns of injury and liability associated with central venous or pulmonary artery catheters, the authors analyzed closed malpractice claims for central catheter injuries in the American Society of Anesthesiologists Closed Claims database. METHODS: All claims for which a central catheter (i.e., central venous or pulmonary artery catheter) was the primary damaging event for the injury were compared with the rest of the claims in the database. Central catheter complications were defined as being related to vascular access or catheter use or maintenance. Statistical analysis was performed using the chi-square test, Fisher exact test, or Z test (proportions) and the Kolmogorov-Smirnov test (payments). RESULTS: The database included 110 claims for injuries related to central catheters (1.7% of 6,449 claims). Claims for central catheter injuries had a higher severity of injury, with an increased proportion of death (47%) compared with other claims in the database (29%, P < 0.01). The most common complications were wire/catheter embolus (n = 20), cardiac tamponade (n = 16), carotid artery puncture/cannulation (n =16), hemothorax (n =15), and pneumothorax (n =14). Cardiac tamponade, hemothorax, and pulmonary artery rupture had a higher proportion of death (P < 0.05) compared with the rest of the central catheter injures. The proportion of claims for vascular access injury increased (47% to 84%) and use/maintenance injury decreased (53% to 16%) in 1994-1999 compared with 1978-1983 (P < 0.05). CONCLUSIONS: Claims related to central catheters had a high severity of patient injury. The most common complications causing injury were wire/catheter embolus, cardiac tamponade, carotid artery puncture/cannulation, hemothorax, and pneumothorax.

Catheterization, Central Venous↗
PubMed1995

Use of echocardiography to detect occult cardiac injury after penetrating thoracic trauma: a prospective study.

One hundred five hemodynamically stable patients with penetrating thoracic trauma were prospectively evaluated for occult cardiac injury. All patients underwent transthoracic echocardiography (ECHO) and subxiphoid exploration (SXE). Those with positive SXE underwent exploration. Results are calculated based on operative findings of significant injuries. For the entire group, SXE was more sensitive than ECHO (sensitivity, 100% vs. 56%; specificity, 92% vs. 93%; and accuracy, 92% vs. 90%, respectively). The SXE missed no injuries in this group. Eight of 17 patients, however, with positive SXEs had insignificant injuries at sternotomy. Seven patients had positive ECHO, but no significant injury. The ECHO missed four significant injuries. When comparing SXE with ECHO in patients without hemothorax, however, sensitivity (100% vs. 100%), specificity (89% vs. 91%), and accuracy (90% vs. 91%) were comparable between SXE and ECHO. We conclude that ECHO has significant limitations in identifying serious cardiac injuries in patients with hemothorax. For hemodynamically stable patients without hemothorax, ECHO missed no significant injuries and may be an acceptable diagnostic option for detecting significant cardiac trauma in patients with injuries in proximity to the heart.

Adolescent↗
PubMed1998

Efficacy and complications of percutaneous pigtail catheters for thoracostomy in pediatric patients.

OBJECTIVE: To describe the efficacy of percutaneous pigtail catheters in evacuating pleural air or fluid in pediatric patients. DESIGN: A case series of children with percutaneous pigtail catheters placed in the pediatric ICU between January 1996 and August 1997. SETTING: Urban pediatric teaching hospital in Seattle, WA. METHODS: A retrospective chart review. RESULTS: Ninety-one children required 133 chest catheters. Most patients were infants with congenital heart disease (80%). One hundred thirteen of the catheters (85%) were placed for pleural effusion, with 20 tubes (15%) placed for pneumothorax. Efficacy of drainage of pleural fluid was significantly greater in serous (96%) and chylous (100%) effusions compared with empyema (0%) or hemothorax (81%). Evacuation of pneumothorax was achieved by a pigtail catheter in 75% of patients. Resolution of pleural air or pneumothorax was significantly greater in patients < 10 kg compared with larger children. Complications due to placement of the pigtail catheters included hemothorax (n=3, 2%), pneumothorax (n=3, 2%), and hepatic perforation (n= 1, 1%). There were also complications arising from the use of the catheters, including failure to drain, dislodgment, kinking, loss of liquid ventilation fluid, empyema, and disconnection in 27 of 133 catheters (20%). Significantly more complications during catheter use occurred in patients <5 kg than in larger children. CONCLUSIONS: Percutaneous pigtail catheters are highly effective in drainage of pleural serous and chylous effusions, somewhat less efficacious in drainage of hemothorax or pneumothorax, and least efficacious in drainage of empyema. Infants and smaller children had higher rates of resolution of pleural air and fluid from placement of a pigtail catheter than larger children. Complications from catheter placement were uncommon (5%) but serious, whereas complications associated with continued use of the catheters were more common (20%) but less grave. Strict attention to anatomic landmarks and close monitoring may reduce the number of complications.

Adolescent↗
PubMed1992

[Emergency thoracoscopy in the diagnosis and treatment of complicated chest injury ].

Emergency thoracoscopy was undertaken in 111 patients with complicated closed chest trauma and in 67 persons with penetrating knife wounds of the chest. Thoracoscopy in patients with closed chest trauma revealed pneumohemothorax in 53, pneumothorax in 42, and hemothorax in 10 cases, in 4 patients the hemothorax was coagulated. Penetrating injuries were complicated by pneumohemothorax in 30, by pneumothorax in 21, and by hemothorax in 16 cases. From the results of thoracoscopy, emergency thoracotomy was found to be indicated in 11 patients with penetrating chest wounds. Endoscopic electrocoagulation of the wounds of the lung and thoracic wall was conducted in 28 patients with a closed trauma and in 26 persons with penetrating injuries, laser coagulation was performed in 10 cases with closed trauma and in 8 patient with knife wounds, medical glue was applied for occlusion of surface ruptures of the lung in 11 cases. No complications of thoracoscopy occurred. The therapeutic methods of thoracoscopy with the use of high frequency electric current, NIAH-laser radiation are described. It is concluded that the inclusion of thoracoscopy in the complex of therapeutic and diagnostic measures in patients with complicated chest trauma is expedient.

Adolescent↗
PubMed1978

Biocompatibility tests of components of an implantable cardiac assist device.

A permanently implantable in-series left ventricular assist device, the dynamic aortic patch (DAP), has been tested in chronic animal experiments. The DAP replaces a section of the intrathoracic aortic wall. Hemothorax and hematocele at the implantation site have been complications in recent experiments. Primary postoperative hemorrhage was ruled out, and the biocompatibility of all components was therefore examined. Dacron velour, Teflon felt, conductive polyurethane, segmented polyether polyurethane, and Teflon-coated polyester fiber sutures were implanted in the pleural cavities of dogs and tested in vitro by culturing canine saphenous vein explants on them. In vivo experiments demonstrated that all components elicited mild to moderate inflammatory reactions, but hematocele occurred only when the components were implanted in the aorta with direct blood contact and exposed to arterial blood pressures. In vitro, cells were cultured on all components with no signs of toxic reactions. These results indicated that the host tolerated all implant components without major inflammatory responses. However, histological data indicated that chronic slow bleeding into or through the Dacron velour in contact with the arterial blood serum could account for hemothorax or hematocele formation. Therefore, a configuration of the assist device using materials impermeable to blood may obviate these difficulties.

Animals↗
PubMed2002

[Arterial vascular injury of the diaphragm caused by serial rib fracture].

About 10% of all trauma patients sustain rib fractures. The average age is 58. Men are more often affected than women. Hemothorax, pneumothorax, and lesions of the lung are not uncommon. Very rare are injuries of the pericardium, aorta, and subclavia caused by fractured ribs. We present a very unusual case where a broken rib caused a severe diaphragmatic hemorrhage with a hemothorax and acute hypovolemia. The primary chest X-ray was thought to be without pathology. Arterial bleeding without exact localization could be found with computed tomography. Thoracotomy revealed the correct diagnosis and the cause of bleeding.

Aged↗
PubMed2004

Early intrathoracic migration of Kirschner wires used for percutaneous osteosynthesis of a two-part humeral neck fracture: a case report.

We present an unusual case of early migration of three Kirschner wires used for percutaneous osteosynthesis of a two-part humeral neck fracture, causing hemothorax. An 85-year-old woman was admitted to the emergency room after casual accident. She was found to have suffered a two-part fracture of the surgical neck of the right humerus. The humeral fracture was treated by closed reduction and percutaneous osteosynthesis with three threaded Kirschner wires, which were bent subcutaneously. Ten days after the accident the patient presented with dyspnea and laterocervical pain. Plain X-rays and complementary CT demonstrated intrathoracic migration of the three Kirschner wires with hemothorax. Two of the wires were seen under the right clavicle and adjacent to the C7 vertebra. The third wire reached the lateral chest wall. Immediate surgery was performed, with withdrawal of the wires and placement of a drainage tube. The patient had an uneventful recovery after surgery. The humeral fracture resulted in a nonunion, which was well tolerated by the patient and was left untreated. The use of Kirschner wires for osteosynthesis of proximal humeral fractures may cause significant thoracic morbidity, even if various prophylactic measures, including the use of threaded wires, subcutaneous bending, and close radiographic follow-up, are adopted. The use of Kirschner wires should anyway be restricted to carefully selected cases, in order to avoid major complications.

Aged↗
PubMed2006

Incidence and management of occult hemothoraces.

BACKGROUND: Little is known about the incidence of and associated management outcomes of occult hemothorax in blunt trauma patients. The increased use of computed thoracic tomography for the evaluation of the multiply injured blunt trauma patient has led to an increase in the identification of these hemothoraces and management dilemmas. METHODS: A retrospective review of blunt trauma patients with occult hemothoraces was performed. Patients were divided into 2 groups: chest tube versus no chest tube. Outcomes and complications for the 2 groups were defined. Data included demographics, Injury Severity Score, length of stay, need for mechanical ventilation and thoracic consult, pneumonia, and empyema. The size of the occult hemothorax was measured on the computed thoracic tomography. RESULTS: Eighty-eight patients (21.4%) had a total of 107 occult hemothoraces. Patients in the chest tube group were more likely to have a higher Injury Severity Score and an associated occult pneumothorax and to have smaller hemothoraces. CONCLUSIONS: Occult pneumothoraces occur in a significant proportion of the multiply injured blunt trauma population. Small, isolated, occult hemothoraces can be managed safely in the stable patient.

Adult↗