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PubMed1983

A single venipuncture technique for placement of multiple central venous catheters.

Surgeons are frequently called upon to place central venous catheters for various purposes. With the increasing used of central vein hyperalimentation, these catheters have become quite widely used. Often, critically ill patients require simultaneous infusions of vasopressors, fluids, blood and/or blood products, and hyperalimentation. In patients who have had peripheral intravenous catheters indwelling for long periods, often no peripheral access routes are available. Central venipuncture carries a definite risk of pneumothorax, hemothorax, and arterial puncture. The technique presented here allows the placement of multiple centra venous catheters via a single venipuncture. Each catheter is a completely separate venous conduit and may be used to infuse any number of substances alone or concurrently with others. Materials needed for this technique are: One 18-gauge Thinwall needle Two 20-cc Luer tip syringes Two 16-gauge 8" or 12" intravenous catheters* Two separate bags of infusion fluids and tubings One bottle 1% xylocaine Two .035" floppy end spring guidewires, 40 cm long One 8 French percutaneous dilator-introducer kit One 11 knife blade One mosquito curved hemostat Sterile towels, gauze sponges, sutures of choice, antiseptic *(This equipment is required for the placement of only two catheters).

Catheterization↗
PubMed1987

Diagnosis and management of traumatic ventricular septal defect.

Four cases of ventricular septal defect secondary to stab wounds of the heart are presented. One of three patients arriving at the Emergency Department in shock and who were resuscitated required an emergency thoracotomy. These patients had immediate repair of their external cardiac wounds in the Operating Room. Cases 1 and 3 developed heart failure and loud systolic murmur postoperatively. Case 4 was treated with chest tube for a left hemothorax and developed heart failure after discharge. In Cases 1, 2, and 3, 2-D echocardiography detected and located a VSD. In Case 3 Doppler measurement showed elevated RV pressure (45 mm Hg) and decreased peak tricuspid to mitral flow ratio (0.36, normal = 0.6). All patients underwent cardiac catheterization. In Case 4 there was associated mitral regurgitation. Cases 1 and 3 had pulmonary to systemic flow ratios greater than 3:1. Cases 1, 3, and 4 underwent operative repair. In Case 1 the VSD was closed with a dacron patch, and in Cases 3 and 4 it was sutured with Teflon pledgets. In Case 4 a puncture wound of the mitral valve annulus was simultaneously repaired. All patients are alive but in Case 1 postoperative 2-D echocardiography demonstrated partial dehiscence of the patch which has not required reoperation and in Case 3 post-repair 2-D echocardiography and Doppler flow studies have shown an intact VSD repair. This series of post-traumatic VSD demonstrates its varying clinical presentation and the diagnostic and followup benefits offered by 2-D echocardiography, especially when combined with Doppler flow measures.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1989

The frequency and significance of thoracic injuries detected on abdominal CT scans of multiple trauma patients.

Of 174 multiple trauma patients undergoing abdominal CT examination for suspected abdominal trauma, 65 patients had 109 chest injuries detected by abdominal CT, chest film, or both examinations. Forty-one patients had 55 chest injuries at the base of the thorax which were not detected on the initial chest film. The most frequent chest injuries detected only by CT were pneumothroax, fracture (rib, thoracic spine, and sternum), lung contusion, aspiration pneumonia, hemothorax, and post-traumatic atelectasis. Seven patients whose chest injury initially was seen only at abdominal CT required treatment of the injury, suggesting that a variety of chest injuries which may vitally affect patients can be detected early in multiple trauma patients by abdominal CT, and that all abdominal trauma CT scans should be scrutinized for signs of a chest injury.

False Positive Reactions↗
PubMed1990

Mortality prognostic factors in chest injury.

1,026 multiple trauma patients (P) were compared to P with chest injuries (PCT) (407). Severity indices were related to type of thoracic injury and mortality. The Injury Severity Score (ISS), Glasgow Coma Scale (GCS), Trauma Score (TS), CHOP, and the Respiratory Index (RI) were used. The mortality rate of P was 27.1% but increased to 32.9% for PCT (p less than 0.05). We noted that mortality rate was highly dependent on major chest trauma: 68.6% for flail chest (FC), 56% for lung contusion (LC), 42.3% for hemothorax (HA), and 38.1% for pneumothorax (PN). ISS and RI scores for PCT survivors were greater than ISS + RI scores for P survivors (p less than 0.05 and p less than 0.01). ISS values for LC, HA, and PN PCT survivors were greater than the ISS of P survivors (p less than 0.01). Nonsurviving PCTs, especially those with lung contusion, showed a highly significant increase in ISS and RI scores.

Adolescent↗
PubMed1992

Autotransfusion of potentially culture-positive blood (CPB) in abdominal trauma: preliminary data from a prospective study.

Increased use of autotransfusion for traumatic hemorrhage may reduce amounts of banked blood needed for severe injuries. Autotransfusion is standard for traumatic hemothorax, but has been limited for abdominal injuries. This prospective study used microbiologic data from 152 patients with intestinal injuries. Where anticipated blood loss was greater than 1,000 mL, blood from the peritoneal cavity was cultured, washed, concentrated, and recultured before reinfusion. Infection rates were stratified using the Penetrating Abdominal Trauma Index (PATI). Fifty patients with PATI greater than 20 who received banked blood (group I) (mean: 1,800 mL) were compared with 20 patients (group II) who received autotransfused, potentially culture-positive blood (CPB) (mean: 3,900 mL). Wound infection rates were identical in both groups (25%). No statistically significant increase was found in site-specific infection risk when severity of injury was stratified according to PATI. Bacteremias, pulmonary infections, and urinary infections were not caused by bacteria cultured from autotransfused blood. We conclude that washed CPB may be autotransfused without significantly increased risk of infection in patients with severe abdominal injuries.

Abdominal Injuries↗
PubMed1993

Analysis of injuries following the crash of Avianca Flight 52.

Analyses of injuries sustained in airline disasters have been hampered by the frequent association of burn injury and by poor documentation. This report analyzes autopsy data from the crash of Avianca Flight 52 on Long Island, New York. There were 158 passengers of whom 73 died. The majority of persons had multiple organ injuries (average, 3.8/victim). Severe neurologic trauma included subarachnoid hemorrhage (65%), skull fracture (32%), and brain laceration (22%). Chest injuries included rib fractures (80%: average, 8.3/victim), hemothorax (58%), sternal fracture (22%), and lung contusion (33%). Orthopedic injuries (average, 4.4/victim) included pelvic (22%), tibial (37%), femur (22%), thoracic spine (33%), cervical spine (22%), and lumbar fractures (5%). Cardiovascular injuries included aortic transection (25%), heart laceration (14%), and major vascular injury (10%). Intra-abdominal injuries included liver (10%), spleen (8%), and kidney (10%). Unrestrained infants suffered severe injuries. Deaths in this airline disaster were from severe head and upper body injuries. This report may allow reappraisal of current restraint and safety measures.

Abdominal Injuries↗
PubMed1993

Ultrasound in blunt abdominal and thoracic trauma.

Between July 1989 and June 1991, 312 patients with blunt thoracic or abdominal injuries were examined prospectively. Sonographic examination was performed by surgeons in the emergency room using a mobile ultrasound unit. In 113 (36.2%) cases pathologic findings were demonstrated sonographically. These included 47 cases of hemothorax, 11 pericardial effusions, 52 cases of intra-abdominal fluid, 24 lesions of intra-abdominal organs, and 10 cases of retroperitoneal hematoma. Physical examination findings were positive in 96 (30.8%), negative in 63 (20.2%), and equivocal in 153 (49.0%). Two hundred thirty-nine patients had between one and eight injuries in addition to the blunt abdominal or thoracic trauma. These patients had an average Injury Severity Score (ISS) of 19.9 (range, 1 to 75). The 73 patients with isolated blunt trauma of the thorax or abdomen had an ISS of 4.9 (range, 0-25). None of the 66 patients (21.2%) with positive clinical findings and negative sonographic examination results had to be operated on later in the course of treatment, while 5 (36%) of 14 patients (4.5%) with negative physical examination findings and positive sonographic findings had to undergo surgery. The sensitivity for the demonstration of intra-abdominal fluid and organ lesions was 98.1% and 41.4%, respectively. The overall sensitivity and specificity of the ultrasonic examination were 90.0% and 99.5%, respectively.

Abdominal Injuries↗
PubMed1994

Thoracoscopic drainage and decortication as definitive treatment for empyema thoracis following penetrating chest injury.

PURPOSE: The purpose of this study is to describe our experience with thoracoscopic drainage and decortication as definitive treatment for empyema thoracis following penetrating chest trauma. METHODS: Over a 9-month period, eight patients at two institutions were treated for empyema thoracis that developed following penetrating chest injury. Seven patients sustained gunshot wounds and one a stab wound. All were treated for hemothorax with a closed tube thoracostomy. Associated injuries included six spinal cord injuries, a liver and diaphragmatic injury, a subclavian injury, and a carotid injury. Each patient subsequently developed an empyema. All patients underwent one thoracoscopic drainage and decortication of the empyema. RESULTS: In all patients, complete resolution of the empyema was achieved with the thoracoscopic technique. Chest tubes were removed a median of 8.5 days after the procedure. Median blood loss was 200 mL. The average duration of the operation was 110 minutes. There were two complications, a persistent air leak and a trapped lung, both treated with thoracoscopic intervention. CONCLUSION: Thoracoscopic drainage and decortication offers an alternative to thoracotomy for definitive therapy of empyema thoracis developing after penetrating chest trauma.

Adolescent↗
PubMed1994

Gunshot wounds to the right thoracoabdomen: a prospective study of nonoperative management.

Dissatisified with our unnecessary laparotomy rate in patients with gunshot wounds (GSWs) to the right thoracoabdomen (RTA), a prospective study was designed to test the hypothesis that hemodynamically stable patients without peritonitis could be managed without a surgical procedure. From 1990 through 1993, 13 consecutive patients with a GSW between the right nipple, costal margin, right posterior axillary line, and anterior midline were studied. No patient had or developed more than local wound tenderness. All patients had a right hemothorax treated with a chest tube. Computed tomographic (CT) scanning of the RTA was performed within 8 hours of admission in 12 of the 13 patients, and the following injuries were noted: pulmonary contusion (12), hepatic laceration (seven), spinal cord transection (two), and a renal laceration (one). Follow-up CT scans, 3 to 14 days after injury, in six of the seven patients with hepatic wounds showed partial or complete resolution of the injury in all. In one patient, an associated renal injury was unchanged on the follow-up CT scan. Mean length of hospitalization for the 11 patients who did not have an injury to the spinal cord was 5.1 days (3-8 days). Complications included atelectasis (four), a small persistent pneumothorax (two), and pneumonia (one).(ABSTRACT TRUNCATED AT 250 WORDS)

Abdominal Injuries↗
PubMed1994

The morbidity and mortality of rib fractures.

The incidence of rib fractures secondary to trauma has not been clearly reported. Of the 7147 patients seen by our trauma service from January 1987 to June 1992, 711 (10%) had rib fractures. Among the patients with rib fractures, 84 (12%) died, 670 (94%) had associated injuries, 274 (32%) had a hemothorax or pneumothorax, and 187 (26%) had a lung contusion. Fifty-five percent of the patients required an immediate operation or admission to the intensive care unit. Thirty-five percent of the patients required discharge to an extended care facility and 35% developed a pulmonary complication. We conclude that rib fractures are a marker of severe injury in which (1) 12% will die because of their injuries, (2) more than 90% will have associated injuries, (3) one half will require operative and ICU care, (4) one third will develop pulmonary complications, and (5) one third will require discharge to an extended care facility.

Adolescent↗
PubMed1996

Pathology scoring system for blast injuries.

A pathology scoring system, initially developed by the Walter Reed Army Institute of Research in collaboration with the Lovelace Biomedical and Environmental Research Institute and currently used in the Jaycor Pathos data base program, was modified to arrive at a severity of injury index for individual animals. With this approach, an animal was assessed for injuries by using an alphanumeric code. External lesions, fractures, and trauma to pharynx/larynx, trachea, lungs, heart, hollow abdominal organs, and solid abdominal organs were assigned individual numerical scores based on the severity of the lesion. The various lesions also were graded as trace, slight, moderate, or extensive, depending upon their severity. Each individual score was divided by its preassigned maximum possible score to arrive at a severity of injury ratio for that organ or system. The presence or absence, and the extent of a pneumothorax, hemothorax, hemoperitoneum, coronary air, or cerebral air were summed and added to the sum of the ratios. The resulting value was then multiplied by 1 or 2, depending upon whether the subject was a survivor or a fatality, to arrive at an adjusted severity of injury index by excluding ear damage values from the sum of the ratios. The severity of injury index was used in conjunction with a single degree of freedom blast model to develop damage risk criteria for blast injury.

Animals↗
PubMed1997

Thoracoscopic pericardial window and penetrating cardiac trauma.

Between September of 1991 and February of 1996, 108 patients with penetrating wounds near the heart, and with no obvious signs of cardiac injury, underwent the creation of a diagnostic thoracoscopic pericardial window to rule out cardiac injury. In 33 patients (30.6%), the procedure identified hemopericardium. Sensitivity for the procedure was 100%, specificity 96%, and accuracy 97%. There were no deaths and no complications due to the procedure. The thoracoscopic pericardial window has proved to be a precise, rapid, and safe method for the diagnosis of heart wounds in patients with no clear signs or symptoms, and it also allows the evaluation of other thoracic injuries and the evacuation of hemothorax when present. We recommend this procedure as the standard diagnostic approach for cardiac injuries in patients in stable condition.

Adolescent↗
PubMed1999

Railway train versus motor vehicle collisions: a comparative study of injury severity and patterns.

OBJECTIVE: This study compares the demographics, injury severity, resource use, and injury patterns of patients involved in railway train-motor vehicle (RT-MV) to motor vehicle-motor vehicle (MV-MV) collisions. METHODS: Retrospective trauma registry review of 74 RT-MV and 1,931 MV-MV consecutive patients, age more than 14 years, presenting to two Level I trauma centers, January of 1991 to May of 1998. RESULTS: Compared with MV-MV, RT-MV had significantly more males (72% vs. 54%), higher mortality (15% vs. 7%), higher Injury Severity Score (median, 20 vs. 9), longer intensive care unit length of stay (1.7 vs. 0.04 days), and longer hospital length of stay (7.5 vs. 4 days). RT-MV patients had a higher percentage of scalp/facial lacerations; intracranial hemorrhage; hemothorax and pneumothorax; fractures of the rib/sternum, upper extremity, skull, and face; and lung, splenic, and renal injuries. After adjusting for the difference in Injury Severity Score between groups, the only remaining significant group difference was the odds of a scalp/facial laceration. CONCLUSION: RT-MV collisions are a marker for more severe injuries, but not a different pattern of injury, compared with MV-MV collisions.

Accidents↗
PubMed2000

Is routine roentgenography needed after closed tube thoracostomy removal?

BACKGROUND: Efficacy of chest radiograph protocol after tube thoracostomy tube (CT) removal. METHODS: Retrospective review (July of 1995 to July of 1996) of 141 patients with CT followed throughout their hospitalization. Excluded patients died (23 patients) or had thoracotomy (13 patients) before CT removal. RESULTS: A total of 105 patients had 113 CT removed (mean age, 36.9 years; Injury Severity Score = 23.4; CT duration, 5.0 days). Protocol chest radiographs were performed on average at 7.9 and 22.1 hours. Recurrent pneumothorax (RHPTX = new interpleural air) occurring in 12 patients (11%) and persistent pneumothorax (PHPTX = same volume of interpleural air) occurring in 13 patients (12%) caused no clinical problems and were treated without tube replacement. Three patients had symptoms after removal; none had RHPTX. Two patients had clinical signs; one reaccumulated a hemothorax requiring CT replacement, the other improved without replacement. CONCLUSIONS: Clinically significant RHPTX/PHPTX after CT removal is infrequent. Signs not symptoms detect CT removal complications. At our institution, chest radiographs are obtained in a delayed manner from protocol and offer no benefit over clinical assessment.

Adolescent↗
PubMed2000

Practice Management Guidelines for Prophylactic Antibiotic Use in Tube Thoracostomy for Traumatic Hemopneumothorax: the EAST Practice Management Guidelines Work Group. Eastern Association for Trauma.

Multiple factors contribute to the development of posttraumatic empyema. These factors include the conditions under which the tube is inserted (emergent or urgent), the mechanism of injury, retained hemothorax, and ventilator care. The incidence of empyema in placebo groups ranges between 0 and 18%. The administration of antibiotics for longer than 24 hours did not seem to significantly reduce this risk compared with a shorter duration, although the numbers in each series were small. Most reports found a significant reduction in pneumonitis when patients received prolonged prophylactic antibiotics. This use of antibiotics might possibly be better described as presumptive therapy rather than prophylactic.

Antibiotic Prophylaxis↗
PubMed2001

Chest tube removal: end-inspiration or end-expiration?

BACKGROUND: Recurrent pneumothorax is the most significant complication after discontinuation of thoracostomy tubes. The primary objective of the present study was to determine which method of tube removal, at the end of inspiration or at the end of expiration, is associated with a lesser risk of developing a recurrent pneumothorax. A secondary objective was to identify potential risk factors for developing recurrence. METHODS: A prospective study of 102 chest tubes in 69 trauma patients (1.5 tubes per patient) randomly assigned to removal at the end of inspiration (n = 52) or the end of expiration (n = 50). RESULTS: Recurrent pneumothorax or enlargement of a small but stable pneumothorax was observed after the removal of four chest tubes in the end-inspiration group (8%) and after discontinuation of three chest tubes (6%) in the end-expiration group (p = 1.0). Of those, only two tubes in the end-inspiration group and 1 tube in the end-expiration group required repeat closed thoracostomy. Multiple factors were analyzed that did not adversely affect outcome. These included patient age, Injury Severity Score, Revised Trauma Score, mechanism of injury, hemothorax, thoracotomy, thoracostomy, previous lung disease, chest tube duration, the presence of more than one thoracostomy tube in the same hemithorax, or a small (but stable) pneumothorax at the time of tube removal. CONCLUSIONS: Discontinuation of chest tubes at the end of inspiration or at the end of expiration has a similar rate of post-removal pneumothorax. Both methods are equally safe.

Adolescent↗
PubMed2002

A thoracostomy tube guideline improves management efficiency in trauma patients.

BACKGROUND: Thoracostomy tube (TT) placement constitutes primary treatment for traumatic hemopneumothorax. Practice patterns vary widely, and criteria for management and removal remain poorly defined. In this cohort study, we examined the impact of implementation of a practice guideline (PG) on improving management efficiency of thoracostomy tube. METHODS: We developed a PG aimed at standardizing the management of TTs in critically ill patients admitted to a Level I trauma center. During the 9-month period before (Pre-PG) and 3 months after (Post-PG) implementation, practice parameters including prophylactic antibiotics, duration of TT therapy, preremoval chest radiographs with associated charges, and complications were evaluated. Differences between groups were assessed by Mann-Whitney rank sum and chi(2) with Yates correction. RESULTS: There were 61 patients, 14 in the Pre-PG group and 47 in the Post-PG group. The groups were matched in age and Injury Severity Scores. The Post-PG cohort averaged 3 fewer days of TT therapy. After implementation of the PG, 21 patients did not have preremoval chest radiography, representing a $3000 reduction in radiology fees. Complication rates (retained pneumothorax, hemothorax, and empyema) were not different between the two groups. CONCLUSION: Implementation of a thoracostomy tube practice guideline was associated with improved management efficiency in trauma patients.

Adolescent↗
PubMed1998

Lateral extracavitary approach for thoracic and thoracolumbar spine trauma: operative complications.

BACKGROUND: The lateral extracavitary approach (LECA) to the thoracic and thoracolumbar spine allows ventral decompression and dorsal fixation of the spine through the same incision during a single procedure. The approach, however, is technically demanding and time-consuming. We sought to determine the incidence of complications associated with the LECA in patients with acute thoracolumbar spine injuries. PATIENTS AND METHODS: A retrospective chart review of all patients with acute fractures or dislocations of the thoracic or thoracolumbar spine who underwent surgery via the LECA was conducted to assess the incidence and type of perioperative complications associated with the LECA. RESULTS: Thirty-three patients with thoracic or thoracolumbar spine injuries treated using the LECA between June 1990 and June 1996 were identified and had available medical records. Complications occurred in 18 of these patients. Pulmonary complications predominated. Eleven patients required tube thoracostomy for hemothorax or persistent pleural effusions, and seven patients developed postoperative pneumonia. There were no cases of neurological worsening. There was no mortality. CONCLUSION: Decompression and stabilization of acute thoracolumbar fractures with the LECA in the acute setting is associated with a 55% incidence of morbidity. Whereas some of this morbidity may be attributed to the effects of the injury, there is a certain intrinsic morbidity associated with the LECA. Although this morbidity may compare favorably with that of sequential ventral/dorsal approaches, the biomechanical advantages obtained with a combined ventral and dorsal construct must be balanced against the inherent morbidity of such approaches.

Decompression, Surgical↗