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1.
Kyobu Geka ; 62(2): 125-8, 2009 Feb.
Article in Japanese | MEDLINE | ID: mdl-19202932

ABSTRACT

A 45-year-old female was referred to our hospital due to right anterior chest pain. A chest X-ray and a computed tomographic examination showed a large cystic lesion in the right pleural cavity above the diaphragm. The internal surface of the cyst seemed to be smooth and the content was homogeneous suggesting clear liquid. Under the diagnosis of the benign pericardial cyst, a thoracoscopic surgery was performed using a double-balloon catheter. Aspiration of the cyst content by the double-balloon catheter minimized the spillage of the content into the thoracic cavity. Furthermore, the double-balloon catheter allowed the cyst wall to be more easily grasped and manipulated. We confirmed the usefulness of a double-balloon catheter for the thoracoscopic resection of giant cystic lesions.


Subject(s)
Catheterization/instrumentation , Mediastinal Cyst/surgery , Thoracoscopy/methods , Diagnostic Imaging , Female , Humans , Mediastinal Cyst/diagnosis , Mediastinal Cyst/pathology , Middle Aged , Treatment Outcome
2.
Fitoterapia ; 77(2): 100-8, 2006 Feb.
Article in English | MEDLINE | ID: mdl-16376495

ABSTRACT

A competitive enzyme-linked immunosorbent assay (ELISA) for saikosaponins was established using monoclonal antibody (MAb) 3G10. Hybridoma 3G10 prepared by fusing splenocytes immunized with saikosaponin a-BSA (SSa-BSA) conjugate and a hypoxanthine-aminopterin-thymidine (HAT)-sensitive mouse myeloma cell line, P3-X63-Ag8-U1, secreted monoclonal antibodies with wide cross-reactivity to saikosaponins including saikosaponin b(2) (SSb(2)), c (SSc) and d (SSd), which are stereo and/or regio isomers of SSa. The method, at an effective measuring range of 0.6 mug /ml to 2.3 mug/ml of SSa, successfully detected total saikosaponins in Bupleuri radix and Kampo medicines prescribed with Bupleuri radix. Good correlation between ELISA and HPLC analyses of total saikosaponin in a crude extract of Bupleuri radix was obtained after hydrolysis of acyl saikosaponins by treatment with a mild alkaline solution.


Subject(s)
Drugs, Chinese Herbal/analysis , Enzyme-Linked Immunosorbent Assay/methods , Oleanolic Acid/analogs & derivatives , Plant Extracts/analysis , Saponins/analysis , Animals , Antibodies, Monoclonal/immunology , Antilymphocyte Serum/analysis , Antilymphocyte Serum/biosynthesis , Bupleurum/chemistry , Calibration , Cell Line, Tumor , Chromatography, High Pressure Liquid/methods , Cross Reactions , Female , Haptens/analysis , Hybridomas , Linear Models , Mice , Mice, Inbred BALB C , Oleanolic Acid/analysis , Oleanolic Acid/isolation & purification , Plant Extracts/chemistry , Plants, Medicinal/chemistry , Saponins/isolation & purification , Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization/methods , Statistics as Topic/methods
3.
Thorac Cardiovasc Surg ; 52(1): 42-4, 2004 Feb.
Article in English | MEDLINE | ID: mdl-15002075

ABSTRACT

On the basis of the bilateral nature of bullous lesions of the lung, the authors have performed single-stage bilateral video-assisted thoracoscopic surgery (VATS) in the supine position for primary spontaneous pneumothorax in five patients since October 1999. All five patients were males with a mean age of 23 years (range 19 to 29 years). The presenting pneumothorax was ipsilateral (right-sided) in four patients and simultaneous bilateral in the one remaining patient. Apart from the one case of simultaneous bilateral spontaneous pneumothorax (SBSP), all patients had a history of at least one pneumothorax episode requiring tube thoracotomy. Bilateral bullae were confirmed in all patients on preoperative chest computed tomography (CT). Bilateral bullectomy was performed by endo-stapler with no difficulties. Mean operating time was 111 minutes (range 85 to 140 minutes). All patients were returned to the surgical ward in good condition from the operating room immediately after extubation. No complications were observed, and duration of postoperative hospital stay was two to four days. All patients were alive without recurrence of pneumothorax after a mean follow-up period of 25 months (range, 9 to 43 months). Single-stage bilateral VATS in the supine position has shown itself to be an excellent approach for the treatment of bilateral bullous lesions, combining both efficacy and low morbidity.


Subject(s)
Pneumothorax/surgery , Thoracic Surgery, Video-Assisted , Adult , Follow-Up Studies , Humans , Japan , Male , Pneumothorax/diagnostic imaging , Supine Position , Tomography, X-Ray Computed , Treatment Outcome
4.
Thorac Cardiovasc Surg ; 52(1): 54-6, 2004 Feb.
Article in English | MEDLINE | ID: mdl-15002078

ABSTRACT

We performed a figure-L unilateral mini-sternotomy for anterior mediastinal tumor resection in ten patients. Pathological diagnosis among the ten included six thymomas, three mature teratomas including one with a seminoma component, and one thymic cyst. Mean tumor length was 7 x 5 x 4 cm. The required skin incision was 8 cm in mean length. The third intercostal space was transected in six cases, the fourth intercostal space in four cases. Bilateral internal thoracic arteries were preserved in all cases. All tumors were completely resected without complications during the procedure. Mean operating time was 106 minutes (range 85 to 120 minutes). Postoperative hospital stay ranged from three to seven days without any complications. All patients were alive at the end of a mean follow-up period of 39 months (range 3 to 60 months). The figure-L unilateral mini-sternotomy is considered an effective and useful minimally invasive approach for anterior mediastinal tumors.


Subject(s)
Mediastinal Neoplasms/surgery , Sternum/surgery , Adult , Aged , Female , Follow-Up Studies , Humans , Length of Stay , Male , Mediastinal Cyst/surgery , Middle Aged , Seminoma/surgery , Teratoma/surgery , Testicular Neoplasms/surgery , Thoracic Arteries/surgery , Thymoma/surgery , Thymus Neoplasms/surgery , Treatment Outcome
5.
Thorac Cardiovasc Surg ; 51(4): 231-4, 2003 Aug.
Article in English | MEDLINE | ID: mdl-14502463

ABSTRACT

In this paper, we report on a new technique of Dumon stent placement using a flexible bronchofiberscope. This procedure was used to insert Dumon stents in two bronchial obstruction and two bronchofistula cases. The stenting technique described here can be used through either a tracheostoma or the oral cavity; it presents a very straightforward and safe procedure that does not require the use of a rigid bronchoscope.


Subject(s)
Bronchi , Bronchoscopes , Stents , Tracheostomy , Adolescent , Aged , Bronchoscopy/methods , Humans , Male
6.
Kyobu Geka ; 55(3): 221-6, 2002 Mar.
Article in Japanese | MEDLINE | ID: mdl-11889811

ABSTRACT

Surgical management of patients with concomitant critical cardiovascular disease and resectable general thoracic lesions is controversial. During a 16-year period (1985 to 2001), 15 patients underwent combined cardiovascular and general thoracic operations, of the 2,459 patients who underwent a cardiovascular operation requiring cardiopulmonary bypass at our institution. Patients had cardiovascular symptoms only and the general thoracic lesions were incidentally found by preoperative chest roentgenograms and/or computed tomography. Because of the cardiovascular disease, a pathological diagnosis was precluded before surgery. All except one descending thoracic aortic operation underwent concurrent pulmonary resection after neutralization of protamine following cardiovascular surgery requiring extracorporeal circulation. Lung pathology consisted of pulmonary bullae (n = 7), primary lung cancer (n = 4), benign lung tumor (n = 2), metastatic lung cancer (n = 1), and thymic cyst (n = 1). The pulmonary operations include bullectomy (n = 7), wedge resection (n = 6), lobectomy (n = 3), and removal of a thymic cyst (n = 1) including 2 staged procedures. The final diagnoses in 4 lung cancer cases were T1. N0M0, stage IA (n = 3) and T2N2M0, stage IIIA (n = 1). All malignancies including metastatic lung cancer, were able to be completely resected. The mean intraoperative bleeding volume for the cases was 997 +/- 221 ml, while mean duration of surgery was 382 +/- 31 minutes. Except for 2 cases required long term ventilatory support, the mean durations of tracheal intubation and ICU stay were 2.2 +/- 0.2 and 3.8 +/- 1.0 days respectively. Except for 1 surgical death, mean survival duration and 5-year survival rate were 59.7 +/- 12.5 (5-177) months and 66.3% respectively. These findings suggest that combined pulmonary resection with cardiovascular surgery is safe and offers a favorable prognosis to a selected group of patients.


Subject(s)
Cardiovascular Diseases/complications , Cardiovascular Diseases/surgery , Cardiovascular Surgical Procedures , Thoracic Diseases/complications , Thoracic Diseases/surgery , Thoracic Surgical Procedures , Adult , Aged , Cardiopulmonary Bypass , Female , Humans , Male , Middle Aged , Prognosis , Retrospective Studies
7.
No To Shinkei ; 53(10): 975-8, 2001 Oct.
Article in Japanese | MEDLINE | ID: mdl-11725509

ABSTRACT

Thrombosis of the extracranial portion of the internal carotid artery as a result of nonpenetrating head and neck injury is not uncommon. However, intracranial occlusion of the internal carotid artery after minor head and neck injury without skull fracture is rare. We report a case of 14-year-old male who suffered a minor head injury during an athletic meeting of his school and developed a right hemiparesis and a lethargy state resulting from thrombosis of the supraclinoid portion of the left internal carotid artery. On admission, skull films and a CT scan revealed no abnormality. One hour later, he fully recovered. One day later, no definite lesions were detected on T1-weighted and T2-weighted image of MRI, but an abnormal high signal lesion in the left frontal lobe was detected on diffusion-weighted image of MRI. On additional MR angiography, intracranial occlusion of the internal carotid artery due to dissection was demonstrated.


Subject(s)
Arterial Occlusive Diseases/etiology , Carotid Artery Diseases/etiology , Carotid Artery, Internal , Head Injuries, Closed/complications , Adolescent , Humans , Male
8.
Surg Today ; 31(9): 814-6, 2001.
Article in English | MEDLINE | ID: mdl-11686562

ABSTRACT

A rare case of a 61-year-old man who developed herpes simplex virus (HSV) pneumonia after cardiac surgery is presented. He was immunocompetent before the operation and had no history of a mucocutaneous herpesvirus infection. This potentially fatal complication was successfully managed with acyclovir treatment after establishing the diagnosis with bronchoalveolar lavage. A depression of the patient's cell-mediated immunity after cardiopulmonary bypass may have been a causative factor. An unusual type of pneumonia such the HSV pneumonia seen in the present case should therefore be considered in patients with severe hypoxemia accompanied with unexplained pulmonary infiltrates after cardiac surgery using cardiopulmonary bypass which does not improve with conventional treatment.


Subject(s)
Coronary Artery Bypass/adverse effects , Herpes Simplex/etiology , Pneumonia, Viral/etiology , Acyclovir/therapeutic use , Antiviral Agents/therapeutic use , Bronchoalveolar Lavage Fluid , Cardiopulmonary Bypass , Humans , Immunity, Cellular , Male , Middle Aged , Pneumonia, Viral/diagnosis
9.
No To Shinkei ; 53(8): 775-9, 2001 Aug.
Article in Japanese | MEDLINE | ID: mdl-11577422

ABSTRACT

Two cases of multiple brain abscesses associated with congenital pulmonary arteriovenous fistula are reported. A 57-year-old male with Rendu-Osler-Weber disease complicated by pulmonary arteriovenous fistula developed multiple brain abscesses in the right parietal region. He responded well to surgical drainage and antibiotic therapy, and the pulmonary arteriovenous fistula, located in the left lower lobe, was resected. A 26-year-old female with Rendu-Osler-Weber disease complicated by pulmonary arterivenous fistula developed recurrent multiple brain abscesses in both the frontal and right parietal regions. The brain abscesses were successfully treated with aspiration and antibiotic therapy. She had a history of two previous brain abscesses in the right parietal regions that were excised on separate occasions at 16 and 23 years of age. Although pulmonary arteriovenous fistula was confirmed by angiography, in this case surgical removal of the pulmonary lesions was not indicated due to multiple vascular shunting. The patient had no recurrence of brain abscess with oral antibiotic therapy.


Subject(s)
Arteriovenous Fistula/complications , Brain Abscess/etiology , Pulmonary Artery , Pulmonary Veins , Telangiectasia, Hereditary Hemorrhagic/complications , Adult , Female , Humans , Male , Middle Aged , Pulmonary Artery/diagnostic imaging , Pulmonary Veins/diagnostic imaging , Radiography
10.
Vasc Surg ; 35(1): 59-62, 2001.
Article in English | MEDLINE | ID: mdl-11668370

ABSTRACT

Placement of permanent filters in the superior vena cava (SVC) for preventing pulmonary embolism (PE) arising from thrombi superior to the right atrium has rarely been performed. The authors report the first case of temporary filter insertion in the SVC because of upper extremity thrombosis accompanied with PE. After thrombectomy, the temporary filter was successfully removed. It is recommended to use a temporary filter, especially in young patients with upper extremity thrombosis requiring temporary prophylaxis against PE.


Subject(s)
Vena Cava Filters , Vena Cava, Superior/surgery , Adult , Humans , Male , Pulmonary Embolism/prevention & control
11.
Vasc Surg ; 35(4): 285-90; discussion 290-1, 2001.
Article in English | MEDLINE | ID: mdl-11586454

ABSTRACT

An experience with temporary filter placement, which seems to be safe and effective for temporarily preventing pulmonary embolism, is reported. Since October 1997, six patients had temporary filters. There were two men and four women, with a mean age of 37 years. Three filters were placed at the infrarenal inferior vena cava, two at the suprarenal inferior vena cava, and one at the superior vena cava. All filters were placed before various surgical interventions. During filter placement, anticoagulation therapy was routinely performed. There were no complications at and during filter placement. No pulmonary emboli occurred during surgical intervention. All filters were successfully removed, two of which were exchanged for permanent filters. All patients are alive and well without recurrent deep vein thrombosis and/or pulmonary emboli during a follow-up period of 11 to 25 months. Although this experience is small, temporary filter placement is safe and effective for short-term prevention of pulmonary emboli even in older patients or those with malignant disease. Veins of the upper part of the body may be more favorable than the femoral vein for insertion of a temporary filter. Temporary filters can be safely placed not only at the infrarenal inferior vena cava, but also at the suprarenal inferior vena cava or superior vena cava.


Subject(s)
Vena Cava Filters , Adolescent , Adult , Aged , Device Removal , Equipment Safety , Female , Femoral Vein/surgery , Follow-Up Studies , Humans , Iliac Vein/surgery , Male , Pregnancy , Pregnancy Complications, Cardiovascular/etiology , Prosthesis Implantation/instrumentation , Renal Veins/surgery , Vena Cava, Inferior/surgery , Vena Cava, Superior/surgery , Venous Thrombosis/complications , Venous Thrombosis/surgery
12.
Kyobu Geka ; 54(10): 892-4, 2001 Sep.
Article in Japanese | MEDLINE | ID: mdl-11554085

ABSTRACT

A 47-year-old man was receiving anticoagulant therapy after coronary artery bypass grafting and mitral valve plasty. A chest roentgenogram disclosed alveolar infiltrates throughout both lung fields 6 months postoperatively. Lung biopsy specimens showed the presence of hemosiderin-laden macrophages in the alveolar spaces, establishing a diagnosis of diffuse alveolar hemorrhage. Anticoagulant therapy may have caused the hemorrhage, because the patient had no immunologic disorder or renal disease. The shadows completely disappeared after steroid therapy and discontinuation of anticoagulant therapy. Diffuse alveolar hemorrhage should be considered, when extensive infiltrates develop on chest roentgenogram in patients receiving anticoagulant therapy after open heart surgery. Lung biopsy is essential, when a bronchoalveolar lavage fails to diagnose the disease.


Subject(s)
Cardiac Surgical Procedures/adverse effects , Hemorrhage/etiology , Lung Diseases/etiology , Postoperative Complications , Humans , Hypertension, Pulmonary/complications , Male , Middle Aged
13.
Phys Rev E Stat Nonlin Soft Matter Phys ; 64(2 Pt 2): 026303, 2001 Aug.
Article in English | MEDLINE | ID: mdl-11497695

ABSTRACT

Dissipative properties of various kinds of turbulent phenomena are investigated. Two expressions are derived for the rate of entropy increase due to thermal and viscous dissipation by turbulence, and for the rate of entropy increase in the surrounding system; both rates must be equal when the fluid system is in a steady state. Possibility is shown with these expressions that the steady-state properties of several different types of turbulent phenomena (Bénard-type thermal convection, turbulent shear flow, and the general circulation of the atmosphere and ocean) exhibit a unique state in which the rate of entropy increase in the surrounding system by the turbulent dissipation is at a maximum. The result suggests that the turbulent fluid system tends to be in a steady state with a distribution of eddies that produce the maximum rate of entropy increase in the nonequilibrium surroundings.

14.
Shokuhin Eiseigaku Zasshi ; 42(2): 102-8, 2001 Apr.
Article in Japanese | MEDLINE | ID: mdl-11486375

ABSTRACT

When performing multiresidue analysis of pesticides, the recovery of thiometon was less than 20% from carrots and eggplants, but about 100% from garlic chives and welsh onions. The recovery of thiometon was found to depend on the lot of ethyl acetate. A 2-year-old lot of ethyl acetate caused degradation of thiometon, but a fresh lot of ethyl acetate did not. Analysis showed that ethyl acetate stored for 2 years contained about 5 microL/mL of acetaldehyde. Thiometon was also degraded by acetone or acetonitrile, when acetaldehyde was added to them, in the same manner as by aged ethyl acetate. The fact that the recovery of thiometon from welsh onions was about 100% indicated that some of the mercaptans in allium vegetables may prevent thiometon degradation. Mercaptans such as L-cysteine and 3-mercaptoproionic acid were confirmed to prevent the degradation of thiometon and disulfoton. These findings show that mercaptans may be useful additives for analyzing thiometon and disulfoton.


Subject(s)
Acetates , Insecticides/analysis , Organothiophosphates/analysis , Vegetables/chemistry , Food Contamination/analysis , Gas Chromatography-Mass Spectrometry , Organothiophosphates/metabolism
15.
No Shinkei Geka ; 29(6): 545-9, 2001 Jun.
Article in Japanese | MEDLINE | ID: mdl-11452501

ABSTRACT

The authors describe a rare case of an aneurysm of the peripheral middle cerebral artery. A 63-year-old female with a past history of hypertension suddenly fell into a comatose state, and was brought to our hospital. On admission, CT scan showed intracerebral hematoma located in the right putamen with diffuse subarachnoid hemorrhage. To exclude vascular lesions, an angiography was performed just after admission. The right carotid angiogram showed an aneurysm at the cavernous portion of the internal carotid artery (ICA), but failed to show any aneurysms in the rest of the intracranial circulation. Just after the angiography, emergent operation was performed for the main purpose of evacuation of the hematoma, and with only the secondary purpose of searching for undetectable aneurysms. The patient underwent a right frontotemporal craniotomy. After partial evacuation of the hematoma through the corticotomy of the right frontal operculum, the Sylvian fissure was opened widely. No aneurysm was observed either in the main trunk of the right ICA or the middle cerebral artery (MCA). During the final stage of evacuation of the hematoma through the corticotomy, arterial bleeding occurred. While evacuating the blood, we detected a saccular aneurysm arising from MCA branch (M2-M3 junction) and we clipped the aneurysm. We discuss peripheral MCA aneurysms with a review of the literature.


Subject(s)
Intracranial Aneurysm/diagnostic imaging , Middle Cerebral Artery/diagnostic imaging , Cerebral Angiography/methods , Female , Humans , Intracranial Aneurysm/surgery , Middle Aged , Middle Cerebral Artery/surgery , Tomography, X-Ray Computed
16.
Ann Thorac Surg ; 72(1): 276-8, 2001 Jul.
Article in English | MEDLINE | ID: mdl-11465202

ABSTRACT

We report the successful management of a bronchopleural fistula with bronchial stent placement combined with irrigation of the empyema cavity. A bronchopleural fistula occurred in a 67-year-old man after a right upper lobectomy for lung cancer. Resuturing of the bronchial stump plus omental wrapping and subsequent closure of the open stump with a pedicled flap of intercostal muscle were not effective. Consequently, we placed a Dumon stent in the right main bronchus to close the stump.


Subject(s)
Adenocarcinoma/surgery , Bronchial Fistula/therapy , Fistula/therapy , Lung Neoplasms/surgery , Pleural Diseases/therapy , Pneumonectomy , Postoperative Complications/therapy , Stents , Aged , Empyema, Pleural/therapy , Humans , Male , Therapeutic Irrigation
17.
Int J Pharm ; 223(1-2): 69-79, 2001 Jul 31.
Article in English | MEDLINE | ID: mdl-11451633

ABSTRACT

A gelatin sponge was formed by foaming and heat treating a gelatin solution, followed by coating the solid with poly(D,L-lactic-co-glycolic acid) to reinforce the gelatin framework. This sponge was tested for its suitability as a biodegradable porous, recombinant human bone morphogenetic protein (rhBMP)-2 carrier. Incorporation of rhBMP-2 into the sponge was closely related to its bulk density of gelatin sponge. The calcium content in the sponges, as assessed by an ectopic bone formation assay in rats, increased with the increasing sponge bulk density. Histologic and peripheral quantitative computed tomography analysis of implants in this ectopic assay system revealed cell growth throughout the carrier in 4 weeks after implantation regardless gelatin bulk density. The carrier containing rhBMP-2 maintained its three-dimensional structure after implantation; the carrier resisted collapse caused by soft tissue pressure during rapid bone formation as assessed by soft X-ray photographs. These results indicate that this newly developed sponge has excellent carrier characteristics to introduce rhBMP-2 into areas needed for bone regeneration.


Subject(s)
Bone Morphogenetic Proteins/administration & dosage , Bone Regeneration , Gelatin/administration & dosage , Transforming Growth Factor beta , Animals , Bone Morphogenetic Protein 2 , Drug Carriers , Humans , Lactic Acid/administration & dosage , Male , Polyglycolic Acid/administration & dosage , Polylactic Acid-Polyglycolic Acid Copolymer , Polymers/administration & dosage , Porifera , Rats , Rats, Inbred F344 , Recombinant Proteins/administration & dosage
18.
Surg Today ; 31(6): 510-2, 2001.
Article in English | MEDLINE | ID: mdl-11428603

ABSTRACT

Although atypical pulmonary carcinoids frequently metastasize to regional lymph nodes, they rarely metastasize to the brain. We describe herein an extremely unusual case of a 52-year-old woman who presented with the symptoms of brain metastasis as the initial manifestation of an atypical pulmonary carcinoid. After control of the multiple metastatic brain lesions had been achieved by tumorectomy and stereotactic radiosurgery, a middle lobectomy of the right lung was performed to completely resect the primary pulmonary carcinoid. This aggressive surgical approach was successful in that it prolonged the survival of the patient and enhanced her quality of life.


Subject(s)
Brain Neoplasms/secondary , Carcinoid Tumor/secondary , Lung Neoplasms/pathology , Brain Neoplasms/diagnostic imaging , Carcinoid Tumor/diagnostic imaging , Fatal Outcome , Female , Humans , Lung Neoplasms/diagnostic imaging , Middle Aged , Tomography, X-Ray Computed
19.
Surg Today ; 31(3): 284-6, 2001.
Article in English | MEDLINE | ID: mdl-11318141

ABSTRACT

In a thoracoscopic resection of mediastinal cysts, aspiration of the cyst contents at the beginning of the procedure is often helpful because it allows the cyst to be more easily grasped and manipulated. Spillage of the cyst contents into the thoracic cavity may, however, occur during aspiration when an ordinary aspiration needle is used. If the cyst contents are infective, then a subsequent contamination of the thoracic cavity may develop. We therefore use a specially designed double-balloon catheter for aspiration to minimize spillage of the cyst contents into the thoracic cavity. We describe herein the usefulness of this aspiration technique.


Subject(s)
Catheterization/instrumentation , Mediastinal Cyst/surgery , Suction/instrumentation , Thoracic Surgery, Video-Assisted/instrumentation , Equipment Design , Humans , Surgical Instruments
20.
Kyobu Geka ; 54(3): 184-7, 2001 Mar.
Article in Japanese | MEDLINE | ID: mdl-11244746

ABSTRACT

Four patients underwent a pulmonary embolectomy using cardiopulmonary bypass for acute pulmonary embolism which had occurred after various operations. In two cases, dehydration due to either diabetes insipidus or ileus had existed. In two cases, pulmonary embolism suddenly occurred in our hospital. In the remainder, the disease occurred in the previous hospitals and its diagnosis was established on the 6th and 7th postoperative days, respectively. In massive pulmonary embolism, echocardiography and/or enhanced chest CT are useful for prompt and noninvasive diagnosis. Thrombolytic therapy was performed in only one case before surgical embolectomy, which was not effective. Three patients were discharged without any postoperative complications, but one requiring preoperative external cardiac massage died of multiple organ failure 9 days after operation. Acute pulmonary embolism is one of the fatal postoperative complications. Recognition of this entity, and prompt diagnosis and treatment are essential for managing the fatal disease. Even in the early postoperative period, embolectomy using cardiopulmonary bypass is a safe and effective treatment.


Subject(s)
Cardiopulmonary Bypass , Postoperative Complications/surgery , Pulmonary Embolism/surgery , Acute Disease , Adult , Aged , Female , Humans , Male , Middle Aged , Pituitary Neoplasms/surgery , Postoperative Complications/etiology , Pulmonary Embolism/etiology
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