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At least 55 records · Page 3Linked to original sources
PubMed1990

Valvular tuberculous endocarditis: a case report and review of the literature.

Tuberculous valvular endocarditis is exceptionally rare. It is usually manifest in the context of miliary tuberculosis, and in all but one case the diagnoses have been made at necropsy. Because of its rarity there is still uncertainty as to whether true tuberculous endocarditis exists as a clinical entity. This paper describes a case of miliary tuberculosis with aortic valvulitis that resolved on antituberculous therapy.

Aged↗
PubMed1993

Cardiac compression with mitral stenosis: a haemodynamic challenge.

The hemodynamics of pericardial restriction (diastolic equilibration of pressures in all the four chambers of heart) and that of mitral stenosis (presence of an end diastolic gradient between the left atrium and the left ventricle) appear mutually exclusive. We describe herein hemodynamic findings in two patients of rheumatic mitral stenosis associated with pericardial constriction in one patient and pericardial effusion with tamponade in the other. Disproportionate elevation of the pulmonary artery diastolic and wedge pressures as compared to the right atrial mean, and left and right ventricular end diastolic pressures was present in both patients. In constrictive pericarditis, the respiratory variation in pressure was reflected in the pulmonary artery wedge pressure but not in the left ventricular end diastolic pressure. The gradient between the pulmonary artery wedge pressure and the left ventricular end diastolic pressure was abolished completely during the inspiratory phase of respiration despite significant mitral stenosis. The difference in the pressure, however, was maintained throughout inspiration and expiration in pericardial effusion with tamponade. In patients with constrictive pericarditis and mitral stenosis, the pulmonary artery wedge pressure does not appear to be a true indicator of the left atrial pressure.

Adult↗
PubMed1992

Tuberculous myocarditis presenting as sudden cardiac death.

A 71-year-old Chinese male presented as sudden death and autopsy revealed miliary tuberculosis with tuberculous myocarditis. Though miliary tuberculosis is not as common as in the past, it remains one of the possible causes of sudden cardiac death.

Aged↗
PubMed1981

Tuberculous aortoarteritis.

Tuberculous aortoarteritis is a distinct entity. Despite the still wide prevalence of active tuberculosis in developing countries, tuberculous aortoarteritis appears to be rare. The vessel is often involved by a direct extension of the disease from adjacent tuberculous tissue. Occasionally it may result from blood-borne seedlings from an active distant focus. True and false aneurysms are the common manifestations. Stenosing and/or constricting types of lesions and perivascular fibrosis have been encountered by us. The probable pathogenesis is discussed with illustrative cases.

Adolescent↗
PubMed1996

Memory lymphocytes from tuberculous effusions: purified protein derivative (PPD) stimulates accelerated activation marker expression and cell cycle progression.

Accelerated PPD-specific proliferation and generation of CD4+ cytotoxic effectors by mononuclear leucocytes (MNL) from tuberculous effusions (EMNL) has been previously reported by our laboratory. In order to explore the contribution of the state of activation of MNL to accelerated reactivity, EMNL and peripheral blood (PB)MNL from seven patients with tuberculosis were assessed both ex vivo and after PPD stimulation. Flow cytometry revealed no difference in the activation state (IL-2 receptor and HLA-DR expression) or cell cycle progression ex vivo. However, CD4+ CD29+ memory T cells were accumulated in EMNL compared with PBMNL. In vitro stimulation of EMNL with PPD resulted in accelerated expression of activation markers and progression through the cell cycle (peak after 4 days), whilst PBMNL exhibited normal activation kinetics (peak after 7 days). Accelerated reactivity could not be accounted for by quantitative differences in effusion CD4+ CD29+ memory T cells compared with blood, but may be due to a qualitative difference in effusion memory T cells, which are shown to be in a postactivation state of differentiation. T cells entering S and G2/M phases of the cell cycle were largely of the activated memory phenotype. Activation marker expression occurred in association with up-regulation of CD4 antigen expression on the surface of EMNL. Thus accelerated expression of activation markers and cell cycle progression by CD4+ CD29+ memory T cells may in part account for accelerated PPD reactivity in tuberculous effusions.

Adult↗
PubMed1987

Tuberculous aneurysm of the descending thoracic aorta.

Tuberculous aneurysm of the descending thoracic aorta is a rare entity. To our knowledge the present case is the sixth on record to have been successfully treated surgically. These aneurysms present the usual difficulties of surgical therapy of the thoracic aorta: spinal cord and renal circulatory protection and the choice between distant or in situ revascularization. This case is of particular interest for its evolution and its treatment: resection of the aneurysm without shunting and insertion of a graft in situ covered by a flap of omentum.

Aorta, Thoracic↗
PubMed1981

Gallium-67 imaging in pericarditis secondary to tuberculosis and histoplasmosis.

In recent years, many cases of Ga-67 uptake by the heart have been reported. One such case involved a patient with tuberculous pericarditis. Recently, a patient was referred to us for the investigation of a fever of unknown origin. A Ga-67 scan was performed and showed an intense uptake by the pericardium. The final diagnosis was pericarditis secondary to mediastinal lymph node involvement with tuberculosis and histoplasmosis.

Adolescent↗