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

Endocardial splitting and left atrial rupture were diagnosed in a dog with mitral regurgitation that experienced the sudden onset of collapsing episodes, weakness, depression, labored breathing, and weak pulses. Thoracic radiographs showed a rounded cardiac silhouette with prominent left atrium consistent with hemopericardium due to left atrial rupture. Two-dimensional echocardiography confirmed the presence of severe mitral valve disease, pericardial fluid, and a laminated blood clot caudal to the left ventricle. A sterile emergency thoracotomy was performed, the hemopericardium and blood clot were removed, and the rupture site in the left atrium was repaired with reinforced sutures. The dog recovered from surgery but died the next day, presumably from a ventricular arrhythmia.
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PMID:Echocardiography and surgery in a dog with left atrial rupture and hemopericardium. 240 68

A 9-year-old female Golden Retriever was examined because of inappetance, labored breathing, edema, and distension of the veins of the neck. Thoracic radiography revealed pleural effusion and a cranial mediastinal mass. Biopsy results obtained by use of fine-needle aspiration were consistent with thymoma. At surgery, the tumor was found to have invaded the cranial vena cava. Extra- and intravascular portions were removed without complications, and the dog's clinical signs resolved. To our knowledge, this is the first documented report of an invasive thymoma causing cranial vena caval syndrome that has been successfully treated in a dog. In this instance, the simplest surgical method, namely venotomy and tumor extraction using venous inflow occlusion, was successful, obviating the need for temporary or permanent vascular conduits or grafts. These findings indicate that there is potential for surgical correction of invasive thymoma with cranial vena caval syndrome in some animals, and the prognosis is not always poor.
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PMID:Excision of a locally invasive thymoma causing cranial vena caval syndrome in a dog. 917 91

The word "dyspnea" encompasses many different features. It can be considered to be a sensation, a symptom, or an illness. From a practical perspective many physicians and nurses use dyspnea to refer to difficult or labored breathing or an uncomfortable awareness of breathing. The American Thoracic Society recently defined dyspnea as a subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity.
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PMID:Evaluation of dyspnea in the elderly. 1273 13

A 10 yr old papillon was evaluated for lethargy, inappetence, tachypnea, and labored breathing. Physical examination findings included dehydration, tachypnea, tachycardia, and muffled heart sounds. Thoracic radiographs revealed an enlarged cardiac silhouette. Echocardiography revealed a mild volume of pericardial effusion and no evidence of right atrial tamponade or a cardiac-associated mass. Cytological analysis of the pericardial effusion was consistent with blood. There was no evidence of neoplasia. Coagulation parameters were within normal limits. Initial treatment consisted of pericardiocentesis. A subtotal pericardiectomy was later performed. No surgical complications were noted, and the dog was discharged 2 days following surgery. Results of the histological examination of the pericardium revealed hemangiosarcoma. Treatment with doxorubicin was initiated 12 days after surgery, at which time, pulmonary metastasis was suspected. The dog survived for 18 days after subtotal pericardiectomy, when it was euthanized because of complications presumably related to pulmonary metastatic disease. This is the first published report of primary pericardial hemangiosarcoma. The dog had a short survival time; thus, the response to subtotal pericardiectomy combined with adjuvant doxorubicin treatment could not be determined. Pulmonary metastatic disease was suspected 12 days following surgery. Based on this case report, pericardial hemangiosarcoma carries a guarded prognosis.
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PMID:Pericardial Hemangiosarcoma in a 10-Year-Old Papillon. 3003 97