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PubMed1994

Aortic aneurysm in a Cebus apella monkey with experimentally induced atherosclerosis.

The sudden death of a Cebus apella female (> 19 years old) on an experimental hyperlipidic diet during three years is described. The gross lesions were hemothorax, atherosclerotic plaques in the aortic curve, and an aneurysm in the ascending aorta. Histologically, an enlargement of the intima in the ascending aorta with hyalinization and a thrombus were observed. The media was thinned and showed sclerosis and hemorrhage extending to the tunica adventicia.

Animals↗
PubMed1991

Penetrating atherosclerotic aortic ulcer with dissecting hematoma: control of bleeding with percutaneous embolization.

A case is presented in which left subpleural hematoma and hemothorax resulted from a penetrating atherosclerotic aortic ulcer with an aortic pseudoaneurysm and intramedial hematoma. Percutaneous transfemoral embolization of the ulcer with use of coils and thrombin resulted in stabilization of the patient's hemodynamic status. The patient died 6 days later of pneumonia. In certain clinical situations, treatment of bleeding from penetrating aortic ulcers with percutaneous embolization may stabilize the patient's condition, allowing elective surgical intervention.

Aged↗
PubMed1999

Small hepatocellular carcinoma: treatment with radio-frequency ablation versus ethanol injection.

PURPOSE: To compare the effectiveness of radio-frequency (RF) ablation with that of percutaneous ethanol injection in the treatment of small hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Eighty-six patients with 112 small (< or = 3-cm-diameter) HCCs underwent RF ablation (42 patients with 52 tumors) or percutaneous ethanol injection (44 patients with 60 tumors). Therapeutic efficacy was evaluated with dual-phase spiral computed tomography performed at least 4 months after treatment. RESULTS: Complete necrosis was achieved in 47 of 52 tumors with RF ablation (90%) and in 48 of 60 tumors with percutaneous ethanol injection (80%). These results were obtained with an average of 1.2 sessions per tumor with RF ablation and 4.8 sessions per tumor with percutaneous ethanol injection. One major complication (hemothorax that required drainage) and four minor complications (intraperitoneal bleeding, hemobilia, pleural effusion, cholecystitis) occurred in patients treated with RF ablation; no complications occurred in patients treated with percutaneous ethanol injection. CONCLUSION: RF ablation results in a higher rate of complete necrosis and requires fewer treatment sessions than percutaneous ethanol injection. However, the complication rate is higher with RF ablation than with percutaneous ethanol injection. RF ablation is the treatment of choice for most patients with HCC.

Aged↗
PubMedDate not supplied

Right atrial perforation secondary to implantable cardioverter defibrillator insertion.

Implantable cardioverter defibrillator (ICD) placements can be associated with serious complications. This paper reports a patient in whom percutaneous placement of an ICD resulted in a hemopneumothorax. This was due to an active fixation lead that perforated the right atrial wall and injured the adjacent lung parenchyma. The hemothorax was drained thoracoscopically, and the atrial injury was covered with fibrin glue.

Adult↗
PubMed1983

Teratoma of the lung in a hemophilic patient.

We describe a patient with hemophilia A and primary malignant teratoma of the lung. Hemothorax and pseudotumor in hemophilia are rare disorders and can raise many differential diagnostic problems.

Adult↗
PubMed1988

Multifocal bleeding due to anticoagulant therapy.

A 62-year-old patient on anticoagulant therapy presented with hemothorax, pulmonary hemorrhages and a high retroperitoneal hematoma with obstruction-infarction of the right kidney. Following plasma infusion and pleural drainage, the clinical condition stabilized and kidney function improved.

Hematoma↗
PubMedDate not supplied

Mechanical complications from insertion of subclavian venous feeding catheters: comparison of de novo percutaneous venipuncture to change of catheter over guidewire.

Since a percutaneous catheter insertion into the subclavian vein can be tedious, time consuming, and risky, we have compared the morbidity of 137 de novo subclavian catheter insertions to that of 93 reinsertions over guidewire. Mechanical complications were significantly higher (p less than 0.03) in those with catheter insertions (8.8%) than in those with the guidewire insertions (2.2%). These included pneumothorax (4), arterial puncture (4), catheter-size bleed (3), and hemothorax (1) in the catheter insertion group and local bleeding (1) and hydrothorax (1) in the guidewire insertion group. The difference in complications between methods is probably inherent in the techniques. Operator experience was not a factor: 55% of the physicians in each group had previously done less than 26 subclavian venous catheterizations. Preliminary analysis indicates that the infection rate, as determined by semiquantitative, cultures, is the same in each group. When considering the equal potential for infection, we conclude that change over a guidewire is an acceptable alternative to contralateral de novo percutaneous subclavian venipuncture for feeding catheter insertion. In view of fewer mechanical complications and greater ease of insertion, change of subclavian feeding catheters by guidewire is probably the method of choice.

Arteries↗
PubMedDate not supplied

Mechanical complications of central venous catheters.

We analyzed 385 consecutive central venous catheter (CVC) attempts over a 6-month period. All critically ill patients 18 years of age or older requiring a CVC were included. The rate of mechanical complications not including failure to place was 14%. Complications included failure to place the CVC (n = 86), arterial puncture (n = 18), improper position (n = 14), pneumothorax (n = 5 in 258 subclavian and internal jugular attempts), hematoma (n = 3), hemothorax (n = 1), and asystolic cardiac arrest of unknown etiology (n = 1). Male patients had a significantly higher complication rate than female patients (37% vs 27%, P = .04). The subclavian approach had a higher complication rate than the internal jugular or the femoral approach (39% vs 33% vs. 24%, P = .02). The complication rate increased with the number of percutaneous punctures, with a rate of 54% when more than 2 punctures were required.

Aged↗
PubMed1993

Massive hemoptysis caused by a ruptured subclavian artery aneurysm.

We report a case of left subclavian artery aneurysm, which ruptured and penetrated through the left upper lung parenchyma causing massive hemoptysis and a left hemothorax. Through sternothoracotomy, tangential aneurysmorrhaphy under proximal control and left upper pulmonary lobectomy were performed. The patient is doing well after nearly three years of follow-up.

Aneurysm, Ruptured↗
PubMed1993

Complications of anticoagulation for pulmonary embolism in low risk trauma patients.

Trauma patients are at significant risk for deep venous thrombosis (DVT) and pulmonary embolism (PE). Anticoagulation is standard therapy for DVT/PE, but may cause severe complications. We reviewed the course of 70 trauma ICU patients treated over a 28-month period. Thirty-six patients (51.4 percent) were treated by continuous IV heparin and/or oral warfarin. Of these, 13 patients (36 percent) developed complications requiring termination of anticoagulation. These included recurrent PE (four), subdural hematomas (three), hemothorax (two), heparin-induced thrombocytopenia (one), hemorrhagic pericardial effusion (one), retroperitoneal hematoma (one), and sudden unexplained drop in hemoglobin and shock (one). All patients with subdural hematomas had no prior evidence of head injury on brain computed tomography. All patients with recurrent PE received adequate anticoagulation therapy. Age > 55 was associated with increased risk of complications (8 of 13; p = .02:chi 2). Thirty-four other patients (48.6 percent) received inferior vena caval filters with no related complications or deaths. Anticoagulation for DVT/PE should be used selectively in trauma patients and avoided in elderly patients. Such patients should undergo early caval filter placement.

Adult↗
PubMed1994

Life-threatening pulmonary hemorrhage with pulmonary arteriovenous malformations and hereditary hemorrhagic telangiectasia.

The occurrence of significant pulmonary hemorrhage associated with pulmonary arteriovenous malformations (PAVMs) and hereditary hemorrhagic telangiectasia (HHT) and the incidence of PAVMs in family members of patients with PAVMs and HHT are poorly defined. We reviewed our experience in 143 patients with PAVMs and HHT. Eleven (8 percent) of the 143 patients with HHT and PAVMs had a history of either massive hemoptysis or of hemothorax which required hospitalization. One patient died directly related to the pulmonary hemorrhage. There were four men and seven women. Three of the seven women experienced pulmonary hemorrhage during pregnancy. Seven of the 11 families participated in screening for PAVMs. Thirty-six (80 percent) of the 45 screened family members were found to have HHT. Thirteen (36 percent) of the 36 family members with HHT were proven to have PAVMs by pulmonary angiography. Pulmonary hemorrhage due to spontaneous rupture of the PAVM is a potentially life-threatening complication that should be treated aggressively with transcatheter embolotherapy. It occurs more frequently than previously recognized in patients with PAVMs and HHT. In addition, because of the increased incidence of PAVMs in family members of patients with HHT and PAVM, screening of family members with HHT is recommended especially in women of childbearing age.

Adolescent↗
PubMed1976

Open pulmonary biopsy. Nineteen-year experience with 416 consecutive operations.

Four hundred and sixteen open pulmonary biopsies through limited thoracotomies are reported. Tissue sufficient for diagnosis was obtained in all cases. Case selection, operative technique, spectrum of diagnoses, complications, and comparisons with other techniques are defined. Diagnoses by category were as follows: occupational, 105 patients (25 percent); neoplastic disease, 80 patients (19 percent); specific histologic diagnosis, (ie, sarcoidosis), 70 patients (17 percent); specific infection, 23 patients (6 percent); vascular diagnosis, 16 patients (4 percent); and nonspecific pulmonary disease, 122 patients (29 percent). Pneumothorax, minor in most cases, was the most common complication. It occurred in 97 (23 percent) of the patients, but only 24 (6 percent) required the placement of a chest tube. Pleural effusion occurred in 106 patients (25 percent) and was minor. Hemothorax occurred in two (0.5 percent) and superficial wound infection in three (0.7 percent). Overall mortality was 4.5 percent (19 patients). Only two deaths (0.4 percent) were related to the procedure. Open pulmonary biopsy remains our diagnostic method of choice in diffuse lung disease of undetermined etiology.

Adolescent↗
PubMed1984

Pulmonary artery catheter-induced hemorrhage.

Pulmonary artery rupture by a flow-directed balloon-tipped catheter is a rare complication if guidelines for insertion of catheters are strictly applied. It should be stressed that the need for a "confirmed" wedge pressure should be weighed against the very real risk of this potentially fatal complication. Users of this catheter should expect and anticipate distal migration of the catheter tip. Great care must be exercised in inflating the balloon, particularly when the location of the catheter tip in the pulmonary vascular bed is unknown. Excessive catheter manipulation should be avoided. Hemoptysis, hemothorax, cardiac or respiratory instability in patients who have the PA catheter should be suspected to have this grave complication and appropriate emergency measures should be taken until this complication has been ruled out.

Aged↗
PubMed1986

Central vs peripheral venous catheters in critically ill patients.

A prospective study of 2,209 intravenous catheters was performed in a multidisciplinary intensive care unit to determine when and why catheters were removed and which sites of insertion were associated with the least morbidity. Techniques of insertion were vigorously supervised. Central and peripheral catheters were cared for by identical protocols. Overt phlebitis or inflammation around the site was 14 times as common with peripheral catheters (353/1,024) than with centrally inserted central catheters (18/713), even though peripheral catheters were removed on the average at 2.9 days and centrally inserted central catheters at 6.2 days. Pneumothorax occurred in seven out of 713 patients with centrally inserted central catheterization, one with hemothorax and two with pneumothoraces requiring thoracostomy tubes. Five were treated successfully with simple catheter aspiration. Three patients out of 1,496 with peripheral or peripherally inserted central catheters required phlebectomy for suppurative thrombophlebitis. We concluded that overall morbidity in critically ill patients is lower from centrally inserted central catheters than peripheral intravenous catheters, with peripherally inserted central catheters in an intermediate position. Supervision of techniques of insertion has to be kept at a high level to keep complications of central catheterization at an acceptable level. Peripheral catheter sites would be better maintained with more frequent replacement of the catheter.

Catheterization↗
PubMed1989

Fiberoptic bronchoscopy in the evaluation of acute chest and upper airway trauma.

To determine the utility of fiberoptic bronchoscopy (FFB) in the short-term evaluation of patients with trauma, we identified 53 consecutive patients (45 male patients; mean age, 36 years) seen over a ten-year period who had FFB performed within the first three days of trauma to the chest and upper airway. There were eight deaths. Fifty patients had blunt trauma to the chest. These were mostly due to motor vehicle accidents (38 patients), crushing injuries (three patients), and falls (three patients). In addition, there were three patients with trauma to the neck. Physical and radiographic findings included pneumothorax (37 patients), subcutaneous emphysema (31), pulmonary contusion (22), hemothorax (21), mediastinal emphysema (16), flail chest (ten), atelectasis (ten), and hemoptysis (five). The FFB was of diagnostic use in 28 patients (53 percent) by revealing complete tracheal transection (one patient), tracheal laceration (three), complete bronchial transection (one), bronchial laceration (two), bronchial contusion (two), ongoing distal hemorrhage/pulmonary contusion (seven), aspirated material (three), mucous plugging/thick secretions (eight), and supraglottic lesions (three). One of the cases of tracheal laceration was not fully appreciated as a complete transection. We conclude that FFB has value in the short-term evaluation of patients with trauma.

Adult↗
PubMed1989

Destructive thyrotoxicosis in a patient with anaplastic thyroid cancer.

A 55-year-old man was admitted to our hospital with an anterior neck tumor, hoarseness, and dysphagia that had continued for a few weeks. He was diagnosed as anaplastic thyroid cancer by fine-needle aspiration cytology. He was treated by external radiation and chemotherapy, but left hemothorax developed and he died of respiratory failure on the 76th day in hospital. On admission, the levels of serum free triiodothyronine (FT3), free thyroxine (FT4), and TSH were 12.8 pg/ml, 4.2 ng/dl, and 0 microU/ml, respectively. The simultaneous thyroidal I-131 uptake rate was 1.2% at 24 hours. The levels of free thyroid hormones fell gradually without antithyroid drugs to result in hypothyroidism (FT3 0.8 pg/ml, FT4 0 ng/dl, and TSH 36 microU/ml). The rapid growth of anaplastic thyroid cancer seemed to be responsible for destructive thyrotoxicosis followed by hypothyroidism in this patient.

Biopsy, Needle↗
PubMed2000

Fetal intrathoracic injuries following mild maternal motor vehicle accident.

Reported herein are the cases of three infants who were born with serious intrathoracic injuries, apparently sustained at the time of the mother's involvement in a motor vehicle accident. The accidents occurred at 26th, 29th and 36th weeks of pregnancy and resulted in minimal injuries to the mothers themselves. The infants were born four weeks, three hours and two days later, respectively. Their injuries were manifested (singly) by hemothorax, pneumothorax and contusion of lung, the latter in a setting of multi-organ trauma. We suggest that chest x-ray, in addition to brain ultrasound, be routinely included in the evaluation of neonates whose mothers were involved in a motor vehicle accident during pregnancy, not excluding cases wherein the mother's injuries were negligible or inapparent and regardless of the time elapsed between accident and delivery.

Accidents, Traffic↗