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Query: UMLS:C0729233 (Thoracic)
 6,478 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A seven-year-old male domestic shorthaired cat was presented with persistent dyspnoea. Thoracic radiography and echocardiography revealed pulmonary oedema and a mass at the base of the heart. At necropsy the mass was found to be an aortic body chemodectoma that had metastasised to the sternal lymph node. This is a rare tumour in the cat, the third reported case where there was evidence of metastasis, and only the second reported case where there was evidence of lymphocytic infiltration of the primary tumour. Pulmonary oedema is an unusual presentation of this tumour in the cat.
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PMID:Aortic body chemodectoma causing pulmonary oedema in a cat. 1121 18

A 3-year-old, 4-kg, castrated male domestic shorthair cat presented with signs of progressive respiratory distress. Thoracic radiographs showed pulmonary edema and pleural effusion. Echocardiography revealed a perforate membrane immediately above the mitral valve that divided the left atrium into proximal and distal chambers. The left auricle was proximal to the dividing membrane and connected to the markedly enlarged proximal left atrial chamber, consistent with the diagnosis of supravalvular mitral stenosis (SMS). Position of the obstructing membrane relative to the left auricle distinguishes SMS from cor triatriatum sinister (CTS). In CTS, the left auricle is distal to the dividing membrane and connects to the distal left atrial chamber.
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PMID:Supravalvular mitral stenosis in a cat. 1222 22

The aim of this study was to establish whether thoracic ultrasonography is a viable screening method for detecting respiratory disorders in newborn calves. Thoracic ultrasonography was performed on 66 newborn calves. There were 10 normal control animals with healthy lungs and 56 newborn calves suffering from respiratory disorders such as lung atelectasis, aspiration of amniotic fluid, pulmonary edema, pneumonia, and lung abscesses. Ultrasonography of the lung enabled rapid classification of the severity, extent and type of pulmonary lesion found, thus supplementing the clinical examination. Processes deep to the pleura were not amenable to thoracic diagnosis by ultrasonography. This is due to the inability of sound waves to penetrate normally ventilated lung. Despite this problem, ultrasonography of the lung is suitable for assessment of clinically unclear respiratory disorders in calves.
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PMID:Thoracic ultrasonography technique in newborn calves and description of normal and pathological findings. 1537 60

Thoracic surgery has made important progress thanks to parallel advances in anesthetic techniques, which have lowered mortality and complication rates. Pneumonectomy, however, continues to carry a high risk of perioperative death and morbidity, with complications involving the heart and lung being the most common. Pneumonectomy requires careful preoperative assessment to identify patients at high risk of cardiac complications. However, there is no evidence available on the best approach to take in determining risk of impaired lung function after pneumonectomy. Postoperative arrhythmias increase mortality, although evidence does not suggest a need for systematic prophylactic treatment of patients who will undergo lung resection. The incidence of acute myocardial infarction ranges from 1.5% to 5% and diagnosis is difficult because most episodes are silent. The incidence of post-pneumonectomy pulmonary edema is between 4% and 7% and evidence indicates that prevention is the most important therapeutic measure. Patients tend to have greater risk of pneumonia after thoracotomy, but few studies have provided a high level of evidence for the usefulness of antibiotic prophylaxis in chest surgery. The aim of the present study was to review the literature on the most common complications of surgery on the lung in order to support decision making based on the integration of knowledge and clinical judgment acquired with experience. A MEDLINE search was carried out to locate studies published from 1980 through January 2005.
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PMID:[Cardiovascular and respiratory complications after pneumonectomy]. 1628 43

A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was: does re-expansion pulmonary oedema exist? Altogether 233 papers were found using the reported search, of which 13 represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. We conclude that re-expansion pulmonary oedema (REPO) does occur following re-expansion of a lung in pneumothorax and pleural effusion. The incidence of REPO following pneumothorax and effusion is between 0 and 1% in most studies. The British Thoracic Society guidelines suggest <1.5 l pleural fluid should be drained at a time. Provided no respiratory symptoms occur it is not unreasonable to drain larger volumes to dryness: caution should be taken to avoid high negative intrapleural pressures. Patients who appear to be at higher risk, which may warrant more gradual evacuation, are: those who have had large pneumothoraces; young patients; patients in whom the lung has been down for >7 days; and possibly those who need >3 l of pleural fluid drained.
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PMID:Does re-expansion pulmonary oedema exist? 1849 23

In this paper, the authors report the case of a 28-year-old man with pulmonary vein leiomyosarcoma presenting subacute respiratory distress. Thoracic computed tomography and transoesophagal ultrasonographic examination of the heart suggested the diagnosis of a heart tumour revealed by the obstruction of the mitral valve and pulmonary oedema. Emergency cardiac surgery revealed the mass to be a leiomyosarcoma, probably extending from the right inferior pulmonary vein and extending into the left atrium. The clinical evolution was complicated because of a sudden local relapse. The patient underwent a second cardiac intervention involving lower right lobectomy followed by adjuvant chemotherapy with an ifosfamide-adriamycin combination. This treatment failed to control the disease and a third cardiac intervention was necessary with second-line gemcitabine-paclitaxel adjuvant chemotherapy. Further recurrences were observed with metastases first in the scalp and then in the spine and adrenal glands leading to the death of the patient 2 years after the diagnosis.
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PMID:[Pulmonary vein leiomyosarcoma extending into the left atrium]. 2108 28

This is the first description of a left ventricular inflow tract obstruction secondary to a myxoma in a dog. A 4 yr old, male fox terrier presented with a 1 mo history of cough and exercise intolerance. Expiratory dyspnea, pulmonary crackles, irregular cardiac rhythm, and a grade 4/6 pansystolic cardiac murmur over the left cardiac apex were the most important features on physical examination. The electrocardiogram revealed atrial fibrillation. Thoracic radiographs showed left-sided cardiac enlargement and mild pulmonary edema, especially in the hilar area. Two-dimensional transthoracic echocardiography showed severe left atrial dilation and a homogenous, echodense mass involving both leaflets of the mitral valve and the posteromedial papillary muscle, inducing mitral stenosis. Spectral Doppler echocardiography was consistent with severe left ventricular inflow tract obstruction secondary to a mass. Therapy for congestive heart failure was prescribed. Follow-up examinations of the dog 1 mo, 2 mo, and 6 mo after diagnosis showed an improvement in clinical signs, but similar echocardiographic features. Eleven months after diagnosis, the dog was euthanized at the owner's request because of recurrent congestive heart failure. The postmortem examination showed the cardiac tumor was consistent with a myxoma.
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PMID:Left ventricular inflow tract obstruction secondary to a myxoma in a dog. 2149 97

We report the case of a 42-year-old patient with hypertrophic cardiomyopathy (HCM) who presented to the emergency department with severe shortness of breath one week following uneventful cesarean delivery. Thoracic CT ruled out pulmonary embolus and confirmed pulmonary edema. Asymmetric interventricular septal thickening was clearly identified, demonstrating that the heart may be evaluated even on a non-ECG gated study. Acute pulmonary edema in the postpartum period is an unusual clinical presentation of HCM.
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PMID:Hypertrophic cardiomyopathy complicated by pulmonary edema in the postpartum period. 2369 14

Tracheal rupture is rare in childhood, and optimal treatment is not clear. A 14-year-old boy was admitted to a local hospital after sudden loss of consciousness. He underwent endotracheal intubation and was referred to our hospital. The patient's history revealed that he had voluntarily inhaled butane gas. The physical examination was consistent with coma and cardiogenic shock, and the chest radiograph showed pulmonary edema. The patient was admitted to the intensive care unit, and diuretic and inotropic therapy was started. In the third hour of monitoring of the patient under mechanical ventilation, subcutaneous emphysema and pneumothorax at the right hemithorax were observed without deterioration of the vital functions. Thoracic computed tomography scan findings were consistent with tracheal rupture. The patient was monitored conservatively without surgery. On the fifth day of hospitalization, his tube was removed, and he was discharged on the 12th day with a positive prognosis. In this study, a tracheal rupture case after endotracheal intubation is presented in which the patient recovered completely with conservative therapy.
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PMID:Iatrogenic tracheal rupture in a child: case study and review of literature. 2392 55

Reexpansion pulmonary oedema is a rare but possibly lethal complication of thoracic drainage for pneumothorax. Morbidity and mortality of this complication remains high (up to 20% of lethal cases) and as such deserves our attention. We report a case of ipsilateral left-sided pulmonary oedema following chest tube insertion in a 42-year-old male patient with spontaneous pneumothorax. Pneumothorax can be expected to last for up to 3 weeks (from the first presentation of sudden dyspnoea and chest pain). The pathophysiology of this lung affection has not yet been completely elucidated; the crucial role is probably played by damage to the endothelium which is followed by increased endothelial permeability during ischemia-reperfusion injury in a rapidly reexpanding lung. The main risk factors for the development of RPE are young age (the younger the patient, the higher the risk), the female sex, the degree of lung collapse, a pneumothorax that lasts more than 24 hours, a reexpansion of the lung in less than ten minutes, the use of a suction system, and - in cases of a pleural effusion - an evacuation volume of more than 2000 ml. Although in patients with these risk factors the administration of initial negative pressure should be avoided, this procedure remains common practice in pneumothorax treatment in the Czech Republic. Thoracic surgeons are more likely to use the suction system than pulmonologists (70% versus 52%). RPE manifestation ranges from benign clinical course (patients are free of complaints with only pathological chest radiography findings) to potentially lethal rapid respiratory failure with circulatory shock. Most patients develop RPE within 1 hour of expansion and the ipsilateral lung is affected. Only rarely can pulmonary oedema be bilateral, or in the contra-lateral lung. Treatment of RPE is supportive and depends on the individual patients condition, ranging from mere monitoring to mechanical ventilation for serious cases. Positive pressure mechanical ventilation and the utilization of positive end-expiratory pressure (PEEP) remains the gold standard of treatment.
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PMID:[Reexpansion pulmonary oedema after drainage of a long-term spontaneous pneumothorax - a case report]. 2396 19


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