Acquired eventration of the diaphragm: a complication of chest tube placement in neonatal pneumothorax.
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Catheterization↗
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Topical lidocaine-prilocaine cream (EMLA) for thoracostomy tube removal.
UNLABELLED: We prospectively studied topical lidocaine-prilocaine cream (EMLA) versus IV morphine in a double-blinded, randomized fashion for pain relief during thoracostomy tube (chest tube; CT) removal. Adult patients who had undergone thoracotomy or median sternotomy were randomized to receive either EMLA cream over CT sites transdermally for 3 h or IV morphine 0.5 h before CT removal. Pain behavior was observed and rated before, during, and after CT removal. Pain behavior increased less in the topical EMLA group (mean +/- SE, 4.4+/-0.39) compared with the IV morphine group (6.0+/-0.38; P < 0.01). No signs of infection were noted at the CT sites 24 or 48 h after CT removal. We conclude that EMLA cream is more effective than IV morphine in preventing the pain associated with CT removal. IMPLICATIONS: Postoperatively applying a topical anesthetic cream onto chest tube sites of chest surgery patients 3 h before chest tube removal is more effective than IV morphine in blunting pain response.
Adult↗
Intrapartum drainage of fetal pleural effusion.
Our objective was to describe our experience with intrapartum thoracocentesis in fetuses with severe bilateral pleural effusion. We describe the outcome of four consecutive cases of fetal pleural effusion due to chylothorax that were managed by intrapartum thoracocentesis. These fetuses were not candidates for pleuro-amniotic shunting either because of the need for prompt delivery (three fetuses) or because of advanced gestational age (one fetus). Thoracocentesis was performed in the operating theatre under ultrasound guidance prior to Caesarean delivery. Gestational age at the time of diagnosis and thoracocentesis ranged between 26-34 weeks and 31-34 weeks respectively. Bilateral thoracocentesis was performed in two fetuses and unilateral in the remaining two fetuses. All four infants were born in a relatively good condition; however, all eventually required intubation, ventilation and chest tubes. Chest tubes were introduced between 2 h and 5 days after delivery in three infants, and immediately after birth in one infant who was hydropic. Two infants survived and are developing normally. One infant died from sepsis following successful pleurodesis and one from aspiration on day 51. Our conclusions are that intrapartum thoracocentesis seems to be a relatively simple procedure, that allows newborns with pleural effusion, to breathe spontaneously or be more easily ventilated. This in turn, reduces the need to introduce chest tubes in an emergency situation.
Drainage↗
Chest tube-related empyema due to methicillin-resistant Staphylococcus aureus: could the chest tube be coated with antiseptics?
We reviewed the epidemiology, clinical manifestations, and outcomes of 3 cases of chest tube-related empyema due to methicillin-resistant Staphylococcus aureus (MRSA). Antiseptic-impregnated chest tubes were inserted in cultures containing MRSA isolates from these 3 patients, and zone of inhibition were measured. Chest tube-related MRSA empyema might complicate tube thoracostomy, and coating the chest tube with antiseptic agents could prevent this complication.
Aged↗
Thoracostomy tubes after acute chest injury: relationship between location in a pleural fissure and function.
OBJECTIVE: The purpose of this study was to determine how often chest tubes placed for acute trauma lie within a pleural fissure and to determine whether an intrapleural location influences outcome. SUBJECTS AND METHODS: Fifty-eight consecutive thoracostomy patients who had 66 chest tubes were studied prospectively. Tube location was determined from frontal and lateral chest radiographs. Outcome measures recorded included the following: duration of thoracostomy drainage, quantity of pleural fluid drained, need for further tubes, length of hospital stay, appearance on last chest radiograph before discharge, and need for surgical intervention. RESULTS: Thirty-eight (58%) of the tubes were placed within a pulmonary fissure, 15 (23%) were posterior, nine (13%) were anterior, and four (6%) were in other locations. We found no significant difference in any of the outcome measures between tubes located in the fissure and other tubes. CONCLUSION: A large percentage of tubes placed for acute chest trauma lie within a pleural fissure. These tubes, however, appear to function as effectively as those located elsewhere in the pleural space.
Acute Disease↗
Effects of position of chest drainage tube on volume drained and pressure.
BACKGROUND: The nursing practice of avoiding dependent loops in the tubing of chest drainage systems because such loops may impede drainage and alter the intrapleural pressure is not research based. OBJECTIVES: To determine if the volume of fluid drained and pressure vary when the chest drainage tubing is straight, coiled, has a dependent loop, or has a dependent loop that is periodically lifted and drained. METHODS: A repeated-measures design was used. For each tubing position, 500 mL of fluid was infused into the pleural space of 8 adult pigs during 45 minutes. The volume of fluid drained and the pressure at 2 locations within the drainage tubing were measured for 1 hour. RESULTS: After 60 minutes, significantly less fluid (least significant difference test, P = .03) was drained with the dependent-loop tubing position (65 mL) than with the other 3 positions. However, the amount of fluid drained was not significantly different among the lift and drain (250 mL), coiled (301 mL), or straight (337 mL) tubing positions. Throughout the entire study, pressure at the connection between the chest tube and the drainage tube was significantly higher (least significant difference test, P = .003) for the dependent loop with and without periodic lifting and draining. CONCLUSIONS: Straight and coiled tube positions are optimal for draining fluid from the pleural space. If a dependent loop cannot be avoided, lifting and draining it every 15 minutes will maintain adequate drainage.
Animals↗
Training in wound ballistics: operation exercise at the Defence Medical Training Centre.
The Defence Medical Training Centre has for a number of years been conducting exercises to give Danish National Service (conscript) surgeons and dentists the opportunity to observe and treat gunshot wounds. The exercises are intended to complement the theoretical training given at the Centre, which has been granted permission by the Ministry of Justice to use experimental animals in the training program. The animals used are shot in the abdomen and both thighs and are kept anesthetized during the exercise but, if possible, breathe spontaneously. Assisted ventilation is available at all times. The weapons used are military weapons: a low velocity 9-mm semiautomatic pistol, SIG P210, a medium velocity rifle, US M1 Carbine, and a high velocity rifle, the AK-74. The ammunition used is conventional, full metal jacketed bullets. Having been shot, the animals are given first aid by the participants who play the roles of ordinary soldiers. The animals are then taken to the regimental aid post, where they are attended by a surgeon for the first time. Intravenous tubes, chest tubes, hemostats, etc. are applied, whereupon the animals are transported by military ambulance to the field hospital. There the abdominal wounds are examined by laparotomy and relevant intraabdominal procedures are performed. The leg wounds are treated by debridement along the lines advocated by the Emergency War Surgery-NATO Handbook. This exercise allows the Defence Medical training Centre to teach wound ballistics in a realistic setting. It is hoped that the pupils will never need the skills acquired at the exercise, but, next to going to war or to some of the more violent parts of the world, Operation Exercise is the best preparation for the demands placed on a medical officer.
Animals↗
[Autopsy case of sarcomatoid malignant pleural mesothelioma].
A 61-year-old man with a sensation of chest compression was admitted to our hospital. He had hemothorax. After drainage with a chest tube, chest CT scan revealed multiple bilateral pulmonary nodules with slight pleural thickening. Open pleural biopsy was performed and the biopsy specimens showed tumor cells with sarcomatoid proliferation, but no definite epithelial pattern. Initial immunohistochemical staining was negative for keratin and carletinin, but positive for desmin, suggesting rhabdomyosarcoma. After supportive care, he died due to progression of the disease. Autopsy revealed extensive invasion suggesting mesothelioma, so the immunohistochemical staining was repeated. Because it revealed patchy staining for keratin and carletinin, this case was diagnosed as sarcomatoid mesothelioma. Differential diagnosis of sarcomatoid mesothelioma or rhabdomyosarcoma is made by immunohistochemical staining, but it is sometimes difficult. For the selection of the best treatment strategy for mesothelioma especially in the early stage, we should be aware of this difficulty.
Autopsy↗
Significance of iatrogenic pneumothoraces.
The purpose of this study was to review the cases of iatrogenic pneumothorax that occurred between October 1983 and December 1988 at the Veterans Administration Medical Center, Long Beach, Calif, to determine the treatment and complications. During this time period, 106 patients were identified with iatrogenic pneumothorax, and the charts of 98 were available for review. There were 90 cases of spontaneous pneumothorax at this institution during the same time period. The most common cause of iatrogenic pneumothorax was transthoracic needle aspiration (35), followed by thoracentesis (30), subclavian venipuncture (23), and positive pressure ventilation (7). In 11 cases, the cause was due to miscellaneous triggers. The majority of the patients (65 of 98) were treated with chest tubes. The chest tubes were in place 4.7 +/- 3.9 days. Nine of the patients required a second chest tube. Aspiration of the pneumothorax only was attempted in five patients, and all patients subsequently received a chest tube. Two patients died from iatrogenic pneumothorax. One patient receiving positive pressure ventilation developed an unrecognized tension pneumothorax. The other patient developed a pneumothorax after thoracentesis and was treated with a chest tube, which led to a staphylococcal empyema and death. From this study, we conclude that the incidence of iatrogenic pneumothorax exceeds that of spontaneous pneumothorax and that there is substantial morbidity and some mortality from iatrogenic pneumothorax.
Aged↗
Pneumothorax in the ICU: patient outcomes and prognostic factors.
STUDY OBJECTIVE: To identify the prognostic factors for pneumothorax in patients in the ICU. DESIGN: Retrospective cohort study. SETTING: ICU at a university-based teaching hospital. PATIENTS AND METHODS: Sixty patients developed pneumothoraces in the ICU during a period of 36 months. Medical records relating to patients' age, sex, underlying diseases, associated medical conditions, reasons for admission, acute physiology and chronic health evaluation (APACHE) II scores, procedures performed before the development of pneumothorax, occurrences of tension pneumothorax, duration of chest tube placement, chest tube removal, duration of ICU stay, and patient outcomes all were analyzed. A multivariate logistic regression model was applied with variables that were significantly associated with survival in the univariate analysis. The probabilities of chest tube removal were calculated using the Kaplan-Meier method. RESULTS: Thirty-five patients (58%) had procedure-related pneumothoraces. The procedure that most commonly caused pneumothoraces was thoracentesis (n = 19; 54%), followed by central vein/pulmonary artery catheterization (n = 14; 40%) and bronchoscopy/transbronchial lung biopsy (n = 8; 23%). A multivariate logistic regression analysis also showed that pneumothorax due to barotrauma (p = 0.001), tension pneumothorax (p = 0.0023), and concurrent septic shock (p = 0.0476) were significantly and independently associated with death. The log-rank test revealed that the success rate of chest tube removal was higher in patients with procedure-related pneumothoraces (p = 0.0055). CONCLUSIONS: Patients with procedure-related pneumothoraces had better outcomes. Patients with pneumothoraces occurring in the ICU due to barotrauma, or a complicating tension pneumothoraces, carry a higher risk of mortality.
APACHE↗
Treatment of persistent chylothorax after Norwood procedure with somatostatin.
A newborn who had undergone Norwood procedure for hypoplastic left heart syndrome developed a voluminous chylothorax that persisted despite weeks of prolonged complete bowel rest, total parenteral nutrition, and effective chest tube drainage. Chest tube output diminished immediately following initiation of intravenous somatostatin, allowing restoration of full enteral feeds and removal of chest tubes within 6 days.
Cardiac Surgical Procedures↗
Early removal of chest drainage tubes and oxygen support after a lobectomy for lung cancer facilitates earlier recovery of the 6-minute walking distance.
The aim of this study was to assess the effects of the early removal of chest tubes and oxygen support lines on the postoperative recovery of patients, who underwent a lobectomy for lung cancer. Forty-two patients, in whom the removal of chest tubes and oxygen support lines was planned for the morning after surgery (subjective group), were matched by sex and age with 42 patients for whom no such action was scheduled (control group). The mean duration of chest tube drainage was 1.5 +/- 0.8 days in the subjective group, which was significantly shorter than the period of 2.8 +/- 1.0 days in the control group (P < 0.001). The mean duration of oxygen support was 1.1 +/- 0.3 days in the subjective group, which was significantly shorter than the period of 3.1 +/- 1.3 days in the control group (P < 0.001). There was no significant difference in the chest drainage volume and oxygen saturation on the morning after surgery between the two groups. We thus compared the postoperative changes in vital capacity (VC) and 6-min walking distance (6MWD) after surgery between the two groups. The early removal of chest tubes and oxygen support lines significantly reduced the impairments of 6MWD 1 week after surgery (P = 0.04) and also diminished the impairments of VC 1 week after surgery but not to a significant extent (P = 0.06). The early removal of chest tubes and oxygen support lines could accelerate the postoperative recovery of 6MWD.
Aged↗
Synthetic antifibrinolytics are not associated with an increased incidence of baffle fenestration closure after the modified Fontan procedure.
OBJECTIVE: To determine if the lysine analog antifibrinolytic agents, epsilon-aminocaproic acid and tranexamic acid, are associated with early closure of the baffle fenestration after the modified Fontan procedure. DESIGN: Retrospective chart review. SETTING: University hospital. PARTICIPANTS: Seventy-four successive patients underwent the modified Fontan procedure. Three patients received aprotinin and were excluded. A total of 71 patients were analyzed. INTERVENTIONS: Charts were examined for variables known to be associated with baffle fenestration closure in the modified Fontan procedure. MEASUREMENTS AND MAIN RESULTS: Occurrence of baffle fenestration closure, oxygen saturation, central venous pressure, left atrial pressure, transpulmonary gradient, chest tube drainage volume, chest tube drainage duration, intensive care unit (ICU) duration, and total inpatient duration were compared between the 33 patients who received antifibrinolytics and the 38 patients who did not. One patient of 71 had baffle fenestration closure in the first 48 hours after surgery. Oxygen saturation, central venous pressure, left atrial pressure, transpulmonary gradient, chest tube drainage volume, chest tube drainage duration, days in ICU, and total inpatient duration were not significantly different between the two groups. CONCLUSIONS: Use of epsilon-aminocaproic acid and tranexamic acid is not associated with early baffle fenestration closure after the modified Fontan procedure. It is concluded that these agents can be used without increasing the risk of spontaneous baffle fenestration closure.
Aminocaproic Acid↗
Effect of recombinant aprotinin on platelet activation in patients undergoing open heart surgery.
The hemostatic effect of recombinant (r)-aprotinin was studied in 41 patients undergoing cardiopulmonary bypass surgery. Flow cytometry was used to measure the expression of glycoprotein 1b (GP1b) and alpha-granule membrane protein 140 (GMP-140) on platelets. Additional parameters studied were beta-thromboglobulin (beta-TG), fibrinogen, fibrinopeptide A, plasminogen, platelet count, and the amount of postoperative chest tube drainage. Chest tube drainage was significantly less in the r-aprotinin-treated patients (p < 0.001). The percentage of platelets expressing GMP-140 increased to 9.7% in r-aprotinin patients and to 12.1% in controls during the surgery. The difference between both groups was not significant. Both values returned to baseline the next day. GP1b expression decreased in both groups by 33-38% during the surgery and returned to baseline the next day. GP1b expression and the plasma concentrations of fibrinogen, fibrinopeptide A, beta-TG, and plasminogen were not different in r-aprotinin and control patients. We conclude that r-aprotinin reduces blood loss during cardiopulmonary bypass surgery, but the primary mechanism is likely not through a protective effect on platelets.
Aprotinin↗
[Pleural drainage in acute thoracic trauma. Comparison of the radiologic image and computer tomography].
PURPOSE: Estimation of chest tube placement in patients with thoracic trauma with regard to chest tube malposition in chest radiography in the supine position compared to additional computed tomography of the thorax. MATERIAL AND METHODS: Apart from compulsory chest radiography after one or multiple chest tube insertions, 31 severely injured patients with thoracic trauma underwent a CT scan of the thorax. These 31 patients with 40 chest tubes constituted the basis for the present analysis. RESULTS: In chest radiography in the supine position there were no chest tube malpositions (n = 40); In the CT scans 25 correct positions, 7 pseudo-malpositions, 6 intrafissural and 2 intrapulmonary malpositions were identified. Moreover 16 sufficient, 18 insufficient and 6 indifferent functions of the chest tubes were seen. CONCLUSION: In case of lasting clinical problems and questionable function of the chest tube, chest radiography should be supplemented by a CT scan of the thorax in order to estimate the position of the chest tube.
Acute Disease↗
The clinician's perspective on parapneumonic effusions and empyema.
Respondents at an interactive symposium on pleural space infections (n = 339) at the 1991 American College of Chest Physicians Annual Scientific Assembly recorded their personal management preferences for hypothetical patients with empyema. The group's preference was to treat pleural sepsis from an anaerobic multiloculated empyema by pleural decortication (49 percent); however, open thoracotomy with directed chest tube placement (22 percent), chest tube placement with intrapleural streptokinase (14 percent), placement of a single chest tube into the largest pleural loculus (8 percent), and placement of multiple small-bore catheters with computed tomographic guidance (7 percent) all had proponents. In the case of a multiloculated empyema not completely drained by a first chest tube in a nontoxic patient, the preference was drainage by a second chest tube, either a small-bore (42 percent) or a large-bore (36 percent) tube. The heterogeneity of responses suggests that prospective trials comparing treatment modalities are needed.
Attitude of Health Personnel↗
Cardiac output increases prior to development of pulmonary edema after re-expansion of spontaneous pneumothorax.
Pulmonary edema following reexpansion of spontaneous pneumothorax is an uncommon complication. The underlying mechanism of this condition is unclear. We report the hemodynamic characteristics in a series of 7 male patients with spontaneous large (>50%) pneumothoraces of > or = 24 h and correlate the changes with reexpansion pulmonary edema (REPE). A pulmonary artery floatation catheter was inserted and hemodynamic data were obtained before therapeutic chest tube insertion, 1 h after chest tube insertion and the following day. Four (57%) patients developed REPE. There was a tendency for larger pneumothorax to develop REPE. Capillary wedge pressure did not change significantly 1 h after the insertion of chest tube in all our patients. Cardiac output increased significantly in patients who developed REPE compared to those who did not (+ 1.06 l/min vs -0.27 l/min; P = 0.03) 1 h after insertion of chest tube. One patient did not develop pulmonary edema despite having a large (> 80%) pneumothorax. His cardiac output did not rise 1 h after chest tube insertion. REPE is not an uncommon complication following chest tube drainage in patients with large and long-standing pneumothorax. The increase in cardiac output after chest tube insertion may be associated with subsequent development of REPE.
Adult↗