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Effect of modified ultrafiltration in high-risk patients undergoing operations for congenital heart disease.

BACKGROUND: Modified ultrafiltration (MUF) after cardiopulmonary bypass (CPB) in children decreases body water, removes inflammatory mediators, improves hemodynamics, and decreases transfusion requirements. The optimal target population for MUF needs to be defined. This prospective, randomized study attempted to identify the best candidates for MUF during operations for congenital heart disease. METHODS: Informed consent was obtained from 100 consecutive patients with complex congenital heart disease undergoing operations with CPB. They were randomized into a control group (n = 50) of conventional ultrafiltration during bypass and an experimental group using dilutional ultrafiltration during bypass and venovenous modified ultrafiltration after bypass (MUF group, n = 50). Postoperative arterial oxygenation, duration of ventilatory support, transfusion requirements, hematocrit, chest tube output, and time to chest tube removal were compared between the groups stratified by age and weight, CPB technique, existence of preoperative pulmonary hypertension, and diagnosis. RESULTS: There were no MUF-related complications. In patients with preoperative pulmonary hypertension, MUF significantly improved postoperative oxygenation (445 +/- 129 mm Hg versus control: 307 +/- 113 mm Hg, p = 0.002), shortened ventilatory support (42.9 +/- 29.5 hours versus control: 162.4 +/- 131.2 hours, p = 0.0005), decreased blood transfusion (red blood cells: 16.2 +/- 18.2 mL/kg versus control: 41.4 +/- 27.8 mL/kg, p = 0.01; coagulation factors: 5.3. +/- 6.9 mL/kg versus control: 32.3 +/- 15.5 mL/kg, p = 0.01), and led to earlier chest tube removal. In neonates (< or =30 days), MUF significantly reduced transfusion of coagulation factors (5.4 +/- 5.0 mL/kg versus control: 39.9 +/- 25.8 mL/kg, p = 0.007), and duration of ventilatory support (59.3 +/- 36.2 hours versus 242.1 +/- 143.1 hours, p = 0.0009). In patients with prolonged CPB (>120 minutes), MUF significantly reduced the duration of ventilatory support (44.7 +/- 37.0 hours versus 128.7 +/- 133.4 hours, p = 0.002). No significant differences were observed between MUF and control patients for any parameter in the presence of ventricular septal defect without pulmonary hypertension, tetralogy of Fallot, or aortic stenosis. CONCLUSIONS: Modified ultrafiltration after CPB is safe and decreases the need for homologous blood transfusion, the duration of ventilatory support, and chest tube placement in selected patients with complex congenital heart disease. The optimal use of MUF includes patients with preoperative pulmonary hypertension, neonates, and patients who require prolonged CPB.

Blood Loss, Surgical↗

The "fallen lung with absent hilum" signs of complete bronchial transection.

A 19-year-old pedestrian who was the victim of a motor vehicle accident had a left pneumothorax with a large air leak. Despite a well-placed chest tube, a chest radiograph showed that the left lung had fallen down and away from the mediastinum and that no hilar structures were visible. This "fallen lung with an absent hilum" is considered virtually diagnostic of complete mainstem bronchus transection.

Adult↗

Primary treatment of malignant pleural effusions: video-assisted thoracoscopic surgery poudrage versus tube thoracostomy.

The objective of this study is to show that primary treatment of malignant pleural effusions secondary to ovarian carcinoma with video-assisted thoracoscopic surgery (VATS)-assisted talc poudrage (VATS-ATP) results in shorter hospital stays and reduced time with a chest tube than primary treatment with a chest tube and chemical pleurodesis. We conducted a retrospective chart review of all patients with a symptomatic pleural effusion secondary to primary ovarian carcinoma receiving intervention from January 1996 to December 2000. Patients either received tube thoracostomy with pleurodesis (n = 22) or VATS-ATP (n = 12). Of the patients treated with tube thoracostomy 18 per cent (4/21) died in the hospital before pleurodesis, 77 per cent (14/19) had successful pleurodesis, and 22 per cent (4/18) failed pleurodesis requiring VATS-ATP. In the group treated primarily with tube thoracostomy the chest tube was in place 8.36 +/- 2.61 days with a hospital stay of 12.64 +/- 5.80 days after the procedure. In the group treated with VATS-ATP there was 100 per cent successful pleurodesis. There were no mortalities. There was one prolonged intubation of 3 days and one incomplete lung reexpansion. The chest tube was in place for 4.58 +/- 1.78 days and a hospital stay of 7.50 +/- 4.12 days postprocedure. Groups treated by tube thoracostomy and VATS were statistically different; P < 0.001 for days with a chest tube and P = 0.011 for hospital days. We conclude that both tube thoracostomy with chemical pleurodesis and VATS-ATP provide adequate treatment of ovarian carcinoma-associated malignant pleural effusions. VATS-ATP provides a shorter duration of chest tube placement and postprocedure hospital stay.

Aged↗

Aprotinin reduces postoperative bleeding and the need for blood products in thoracic surgery: results of a randomized double-blind study.

OBJECTIVE: Bleeding complications have been a major concern in certain thoracic surgery operations, especially decortication and pulmonary resection for inflammatory pulmonary infection. Prevention of plasminogen activation and fibrinolysis by aprotinin administration has been shown to reduce perioperative bleeding during operations associated with high blood consumption. METHODS: Use of blood products (packed red cells, whole blood), chest tube drainage, analgesic requirement, chest tube duration for the patients undergoing major thoracic operations were recorded. In a double blind randomized fashion, patients were assigned to two groups receiving aprotinin (n=51) at a loading dose of 10(6) kallikrein inhibitory units (KIU) followed by an infusion of the same dose during chest closure or receiving placebo (n=52). On a daily basis, red-cell percentages of total fluid from drainage bottles were recorded and using the blood hematocrit level of the patient of the day before, the corrected value for the patient's blood volume equivalent of daily drainage was calculated. RESULTS: There was a significant reduction in perioperative use of donor blood (0.98+/-0.92 vs. 0.45+/-0.32 unit; P=0.0026), and total chest tube drainage (corrected value for the corresponding blood volume) (28.2+/-36.9 vs. 76.9+/-53.3 ml, P=0.0004) (mean+/-standard deviation) in the aprotinin group. However, aprotinin did not reduce postoperative transfusion or decrease in hematocrit level due to thoracic operations. In high transfusion-risk thoracic surgery patients (patients who underwent decortication, pulmonary resection for inflammatory lung disease and chest wall resection), the perioperative transfusion was only 0.50+/-1.08 units in aprotinin group, compared with 1.94+/-0.52 units in control group (P=0.003). Postoperative transfusion was also reduced in aprotinin administrated group (0.53+/-0.56 vs. 1.38+/-0.97 units; P=0.02). The mean total blood loss was decreased to nearly one third of the blood loss of the control group (41+/-28 ml vs. 121+/-68 ml; P=0.001). CONCLUSION: Aprotinin significantly reduced perioperative transfusion requirement and postoperative bleeding during major thoracic operations. Aprotinin decreased perioperative transfusion needs. Moreover, patients who were at risk of greater blood loss during and after certain thoracic operations had a greater potential to benefit from prophylactic perioperative aprotinin treatment.

Aprotinin↗

A new device for pleural drainage in newborn infants.

OBJECTIVE: We tested a chest tube device and insertion technique designed to reduce complications and expedite effective thoracostomy tube placement. METHODOLOGY: This is a case series study. We placed chest tubes using this device in 25 infants ranging in weight from 425 to 3500 g. This investigation was performed in a regional referral center neonatal intensive care unit. RESULTS: Using this device, chest tube insertion was safe and effective. No complications were identified. CONCLUSION: We believe percutaneous placement of small-bore pigtail catheters using this technique represents a useful alternative to the standard approach of thoracostomy tube placement in small infants. SYNOPSIS: To reduce complications during thoracostomy tube placement and to expedite tube insertion, we modified a chest tube device for use in premature infants. This technique and device facilitates quick and accurate placement. We placed chest tubes using this device in 25 infants ranging from 425 to 3500 g. Using this device, chest tube insertion is quick, easy, and safe. No complications were identified. We believe percutaneous placement of small-bore pigtail catheters using this technique represents a useful alternative to the standard approaches of thoracostomy tube placement in small infants.

Birth Weight↗

[Diagnosis and therapy of pleural empyema].

21 patients with thoracic empyema were treated at this clinic over a period of 3 years. 15 patients had metapneumonic empyema, 2 empyema associated with sepsis, and 4 postsurgical empyema. In 12 patients the underlying illness was chronic disease while 9 patients were thus far in good health. The most frequent causative pathogens were staphylococci and streptococci, together with anaerobic bacteria. One patient died of the underlying disease. Three cases of metapneumonic empyema healed completely with antibiotics only. Closed chest tube drainage with small chest tube was performed 13 times and was successful 11 times with a mean drainage duration of 13 days. Six patients underwent surgery (early decortication in 4 instances, late decortication in 2). The surgical indication was in 4 instances multilocular of the empyema which inhibited chest tube drainage, imminent loss of function in 1 case and unsuccessful drainage in a case of bronchopleural fistula in 1 instance. Apart from high-dose antibiotic therapy, earliest possible drainage is of crucial importance in the treatment of thoracic empyema. Surgery should be considered only in uncomplicated empyema if drainage is impossible for technical reasons.

Adult↗

[Shock room diagnosis in polytrauma. Value of thoracic CT].

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 obtained influences subsequent decisions on therapy 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 multiply injured patients with chest trauma, 9 patients with isolated chest trauma) who had an average ISS of 30 and an average AIS thorax of 3, initial CXR and TCT were compared after the first assessment in our emergency department (a level I trauma center). Mortality in this group was 10% (n = 10). RESULTS: In 67 patients (65%) TCT revealed major complications of chest trauma that had 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 identical pathologic results. In 11 patients neither CXR nor TCT revealed pathologic 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 did affect, the therapy selected: chest tube placement or chest tube correction in mostly anteriorly located pneumothoraces or large hemothoraces (n = 31), influence on ventilation mode 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 and 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 accurate diagnosis of all thoracic injuries along with acceptance of the implications for therapy may reduce complications and improve the outcome in polytraumatized patients with blunt chest trauma.

Adolescent↗

Transthoracic needle aspiration in patients with severe emphysema. A study of lung transplant candidates.

PURPOSE: To describe the risks of transthoracic needle aspiration (TTNA) in a population of patients with severe lung disease: candidates for lung transplantation. MATERIALS AND METHODS: Eight of 190 patients evaluated for lung transplantation underwent TTNA of nine pulmonary nodules (mean diameter, 14 mm; range, 0.8 to 2.2 cm). We evaluated pneumothorax rate, chest tube rate, duration of placement, and pulmonary function test results. RESULTS: All patients had emphysema; two had alpha 1-antitrypsin deficiency. The mean FEV1 of all patients was 0.64 L (22% of predicted; range, 17 to 28%), indicating severe air-flow obstruction. Six patients required a chest tube (50%); three chest tubes were placed emergently on the CT scanner table. Three patients required a second chest tube for persistent air leak. Tubes were in place for 1 to 22 days (mean, 10 days). One patient had chest tubes for 22 days and required intubation. CONCLUSION: TTNA in patients with marked emphysema is complicated by a high incidence of pneumothorax, rapid development of tension pneumothorax and chest tube placement. Since nodules in lung transplant candidates may represent bronchogenic carcinoma, serial CT scans to demonstrate lesion stability or growth, or thoracoscopic resection should be considered as an alternate approach to TTNA to avoid the significant morbidity of the procedure in these patients.

Adult↗

[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↗

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↗

Pigtail tube drainage in the treatment of spontaneous pneumothorax.

We report our experience in using pigtail tube drainage in the treatment of spontaneous pneumothorax compared with traditional chest tube thoracotomy. One hundred two patients were included and analyzed. Fifty patients were treated with the pigtail tube and 52 patients were treated with the traditional chest tube. The extubation time, mean hospital stay, evacuation rate, and total cost were similar without a significant statistical difference. Among the chest tube group, 15 underwent surgical intervention as a result of delayed resolution and hemopneumothorax; and among the pigtail group, 15 had other procedures for pneumothorax, including chest tube insertion and surgical intervention. This verifies our initial suspicion that the effectiveness of the pigtail drainage system is no less than that of the chest tube. Therefore, when considering ambulatory ability and good patient compliance, the pigtail tube drainage system can be considered as the treatment of choice for spontaneous pneumothorax.

Adolescent↗

Morbidity of flank incision in 100 renal donors.

OBJECTIVE: The purpose of this study is to determine the morbidity of lumbotomy incision used in the last 100 living related donor nephrectomies retrospectively. METHODS: Since March 1991, 100 donor nephrectomies were made to living donors with lumbar incision. Incisions made in lateral decubitus position, subcostally or by an 11th or 12th rib resection. Left nephrectomy to 83, and right nephrectomy to 17 donors was performed. In 2 patients, there had been a peritoneal defect which was closed with primary sutures. In 19 patients 3 cm or shorter and in 5 patients longer than 3 cm of pleural entry had occurred. In all of the patients laceration was repaired without placement of a chest tube, however a chest tube had to be placed in 2 donors after obtaining a control chest x-ray postoperatively. RESULTS: All the patients mobilized and began to take orally in the first post-operative day. Wound infection, pneumonia and deep vein thrombosis had detected in none of the patients. The patients were discharged on the 4th and 5th postoperative day. During their control after 1 month from the operation it was found that all of them had returned to their daily life. In the postoperative period incisional hernia occurred in 7 patients which didn't need surgical repair and none of them complained of cosmetic problem. There was no any other late term complication was seen due to flank incision. CONCLUSION: Lumbotomy incision in donor nephrectomy, either a rib resection or supracostal approach, is reliable, provides excellent exposure for surgeon and has minimal morbidity.

Adolescent↗

Recombinant factor VIIa to control excessive bleeding following surgery for congenital heart disease in pediatric patients.

The purpose of this article is to evaluate the efficacy of recombinant factor VII (rFVIIa) in the treatment of bleeding following cardiac surgery in a pediatric population. The study included a case series of postcardiac surgical patients with chest tube output of = 4 mL/kg/h for the initial 3 postoperative hours who received rFVIIa. Chest tube output for the 3 hours before and the 3 hours after rFVIIa was compared using a paired t test. In addition, chest tube output for the initial 3 postoperative hours and the 3 hours following rFVIIa was compared to 8 control patients who did not require rFVIIa. Recombinant factor VIIa was administered to 9 children (age = 9 +/- 4 years) following repair of tetralogy of Fallot (6), closure of ventricular septal defect (1), closure of sinus venosus atrial septal defect (1), and mitral valve repair (1). Chest tube output for the initial 3 postoperative hours prior to the administration of rFVIIa was 5.8 +/- 2.8 mL/kg/h and decreased to 2.0 +/- 1.3 mL/kg/h for the 3 hours following the administration of rFVIIa (P =.002). In the patients that did not receive rFVIIa, chest tube output for the first 3 postoperative hours was 1.6 +/- 0.9 mL/kg/h and 1.2 +/- 0.6 mL/kg/h for the next 3 hours (P = nonsignificant when compared to chest tube output for the 3 hours following rFVIIa in patients who received rFVIIa). No adverse effects were noted. Recombinant factor VIIa decreased chest tubing bleeding following cardiac surgery in children. Given its potential therapeutic impact, rFVIIa warrants further investigation in the pediatric cardiac population.

Cardiopulmonary Bypass↗

Outpatient treatment of iatrogenic pneumothorax after needle biopsy.

PURPOSE: To evaluate prospectively the feasibility of treating iatrogenic pneumothorax after fine-needle aspiration biopsy (FNAB) of the lung with short-term placement of a small-caliber chest tube and to determine whether a 1-hour clamping trial is adequate to identify patients with persistent air leak. MATERIALS AND METHODS: All patients undergoing FNAB of lung masses over a 28-month period were entered into the study. Patients with symptomatic, enlarging, or greater than 30% pneumothorax were treated with an 8-F chest tube. After 2 hours, the chest tube was clamped, and if the lung remained expanded for an additional hour, the chest tube was removed and the patients were discharged after a brief observation period. Patients were followed up by telephone after 24 hours. RESULTS: Three hundred fifteen patients underwent FNAB of the lung. Sixty-eight patients (22%) developed a pneumothorax. Chest tubes were placed in 14 patients (4%): Six patients (2%) required admission to the hospital (four for air leaks), and the other eight patients were treated successfully as outpatients, with removal of the chest tube before discharge the day of FNAB. CONCLUSION: Patients who develop clinically important pneumothorax after FNAB can be safely treated with short-term, small-caliber chest tubes and require hospital admission only if they demonstrate evidence of continued air leak.

Adolescent↗

Pneumothorax after small-bore catheter placement for malignant pleural effusions.

OBJECTIVE: The objective of this study was to evaluate the incidence and significance of pneumothorax after small-bore chest tube placement for symptomatic malignant pleural effusions. SUBJECTS AND METHODS: Over a 2-year period, 90 patients with a known primary malignant tumor and symptomatic pleural effusion were referred to the radiology service at Duke University Medical Center. All patients underwent placement of a small-bore chest tube with fluid drainage in preparation for intrapleural sclerotherapy. Two of these patients were excluded because of coexisting empyema (n=1) and thoracentesis (n=1). The remaining 88 patients (30 men and 58 women; 26-86 years old [mean, 60 years old], who had 90 chest tubes placed, formed our study group. The incidence, duration, and clinical significance of their pneumothoraces and the amount of pleural effusion drained were recorded. RESULTS: Among the 88 patients with 90 chest tubes, 27 patients with 28 chest tubes (31%) were found to have pneumothorax after the procedure. For 23 patients with 24 chest tubes, pneumothorax was evident on chest radiographs taken immediately after tube insertion and fluid drainage. Four patients with four chest tubes were found to have pneumothorax on chest radiographs taken the next day. No significant difference in the amount of fluid drained during the procedure was noted for patients with or without pneumothorax (831 ml versus 853 ml). No relationship between the size of each pneumothorax and the size of each drainage catheter was seen. The duration of pneumothorax ranged from 2 hr to 18 days (average, 3.5 days). Resolution of pneumothorax was seen in 22 (79%) of 28 cases; the remaining six cases of pneumothorax (21%) were stable, and the patients showed eventual fluid reaccumulation after chest tube removal and no sclerotherapy. No patient developed tension pneumothorax, respiratory distress, or other complications. CONCLUSION: Pneumothorax should be recognized as a common finding after chest tube placement and immediate fluid drainage for malignant pleural effusions. We suggest that this finding is related to rapid removal of fluid from a relatively stiff, noncompliant lung. Patients whose lungs do not fully re-expand in several days will probably not benefit from sclerotherapy. Their tubes may be removed without risk of an enlarging tension pneumothorax.

Adult↗

Iodized talc pleurodesis for the treatment of pleural effusions.

This prospective study was designed to determine the efficacy of iodized talc pleurodesis in patients with pleural effusions. Thirty-four patients underwent this treatment (three bilaterally) between October 1, 1989, and March 31, 1991. All patients had to have complete or nearly complete lung reexpansion after tube thoracostomy with fluid drainage less than 100 ml in 24 hours. A slurry containing 5 gm of talc and 3 gm of thymol iodide was instilled into the pleural space through the chest tube. Chest tubes were removed after complete reexpansion and clearing of the effusions, usually in 3 to 5 days. The patients' ages ranged from 26 to 88 years (average 50 years). Eighteen patients had lung carcinoma, two had mesothelioma, and one each had carcinoma of the ovary, breast, or anorectum, multiple myeloma, schwannoma, or Hodgkin's lymphoma. Two patients had an unknown adenocarcinoma primary and five other patients had acquired immunodeficiency syndrome. One patient had congestive heart failure. Nineteen patients had left, 12 had right, and three had bilateral pleural effusions. The effusion was serosanguineous in 26 and serofibrinous in eight patients. Serial chest radiography showed complete response in all patients. The period of follow-up ranged from 1 to 21 (average 4.9) months, with no recurrences. Twenty-three patients have died during the follow-up period, and there was no sign that reaccumulated pleural effusion existed in any, despite clinical evidence of systemic tumor progression. These observations indicate that intrapleural instillation of a slurry of iodized talc is a safe, adequate, and effective treatment for control of neoplastic or benign pleural effusions.

Acquired Immunodeficiency Syndrome↗

Dimensions of procedural pain and its analgesic management in critically ill surgical patients.

BACKGROUND AND PURPOSE: Many critically ill patients undergo endotracheal suctioning and chest tube removal procedures, yet little documentation of associated pain exists. Therefore, a study was conducted to (1) compare the magnitude and dimensions of pain associated with endotracheal suctioning and chest tube removal in intubated and nonintubated patients and (2) correlate preprocedural analgesic administration and pain magnitude. METHODS: Multiple dimensions of pain (ie, intensity, extent, sensation, and affect) were measured after postoperative cardiovascular surgery patients underwent endotracheal suctioning (N = 45) or chest tube removal (N = 35). Preprocedural analgesics and intubation status during pain assessments were noted. RESULTS: Patients reported lower pain intensity with endotracheal suctioning (mean, 4.9 on a 0-10 numerical rating scale) than with chest tube removal (mean, 6.6). Pain extent, sensation, and affect scores were relatively low for endotracheal suctioning and chest tube removal. Similar words such as "tender," "sharp," and "heavy" were used to describe both procedures; however, more patients described their response to chest tube removal as "fearful." Intubated patients had different pain experiences than extubated patients. Patients received little analgesic premedication, and correlations were low and nonsignificant between amount of medication received and pain magnitude. CONCLUSIONS: Patients were able to communicate extensive information about procedural pain, even when intubated. Endotracheal suctioning and chest tube removal were both painful; yet, there was little preparatory analgesic management of the pain. Research is needed to investigate a variety of pharmacological and nonpharmacological interventions for pain related to endotracheal suctioning and chest tube removal.

Adult↗

Modified and conventional ultrafiltration during pediatric cardiac surgery: clinical outcomes compared.

OBJECTIVE: This prospective study compared clinical outcomes after heart surgery between three groups of infants with congenital heart disease. One group received dilutional conventional ultrafiltration (group D), another received modified ultrafiltration (group M), and a third group received both dilutional conventional and modified ultrafiltration (group B). We hypothesized that group B patients would have the best clinical outcome. METHODS: Children younger than 1 year undergoing heart surgery for biventricular repair by the same surgeon were randomly allocated to one of the three study groups. Patient management was standardized, and intensive care staff were blinded to group allocation. Primary outcome measure was duration of postoperative mechanical ventilation. Other outcome measures recorded included total blood products transfused, duration of chest tube in situ, chest tube output, and stays in intensive care and in the hospital. RESULTS: Sixty infants completed study protocol. Mean age and weight were as follows: group D (n = 19), 61 days, 4.3 kg; group M (n = 20), 64 days, 4.5 kg; and group B (n = 21), 86 days, 4.4 kg. Preoperative and intraoperative characteristics were similar between groups. Ultrafiltrate volumes obtained were 196 +/- 93 mL/kg in group D, 105 +/- 33 mL/kg in group M, and 261 +/- 113 mL/kg in group B. There were no significant differences between groups for any outcome variable. Technical difficulties prevented completion of modified ultrafiltration in 2 of 41 infants. CONCLUSION: There was no clinical advantage in combining conventional and modified ultrafiltration. Because clinical outcomes were similar across groups, relative risks of the ultrafiltration strategies may influence choice.

Cardiopulmonary Bypass↗