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PubMed1977

Traumatic hemopericardium and chronic constrictive pericarditis.

Chronic constrictive pericarditis following traumatic hemopericardium has been reported in recent years, but it has not been reproduced experimentally in dogs. The present study attempted to produce posttraumatic constrictive pericarditis in 34 experimental animals. Hemopericardium by means of trauma to the epicardium or pericardium was produced by a sharp instrument or by the injection of autologous blood inside the pericardial sac. All animals were killed at intervals between 3 and 31 months. The animals in which hemopericardium was induced by injecting blood into the pericardial cavity showed no changes. The hemopericardium was completely resolved without noticeable residual trace. Animals having hemopericardium as a result of trauma evidenced a well-developed constrictive pericarditis that was documented clinically, hemodynamically, and histologically. These experimental findings indicate that chronic constrictive pericarditis may well be due to traumatic hemopericardium rather than to specific infection.

Animals↗
PubMed1986

[Echocardiography in a case of acute tuberculous pericarditis which progressed to constrictive pericarditis].

A case of acute tuberculous pericarditis with massive pericardial effusion progressed to constrictive pericarditis under echocardiographic observation during one year. This 59-year-old man was hospitalized because of dyspnea. On admission, his physical examination revealed a paradoxical pulse, engorged jugular veins, hepatomegaly, and pitting edema in the pretibial regions. Chest radiography revealed an enlarged cardiac silhouette and a marked left pleural effusion. His echocardiogram showed a massive pericardial effusion. A biatrial echogram recorded by esophageal echocardiography showed a massive pericardial effusion anterior to the right atrial free wall. Echocardiography performed four months after commencing therapy revealed a reduction in the pericardial effusion, and normal motion of the interventricular septum and posterior wall. However, the motion of the interatrial septum was already abnormal and the excursion of the right atrial free wall was markedly reduced. These finding were similar to those in constrictive pericarditis, as previously reported. Eleven months after admission, both conventional and esophageal echograms showed findings typical of constrictive pericarditis. Thus, in this case, the abnormal biatrial dynamics were recognized earlier than the abnormal left ventricular wall motion.

Echocardiography↗
PubMed2005

Doppler echocardiographic evaluation of pulmonary regurgitation facilitates the diagnosis of constrictive pericarditis.

Diagnosing constrictive pericarditis (CP) remains a clinical challenge. Ventricular interdependence and dissociation of intrathoracic and intracardiac pressures are hallmark features that are readily recognized by invasive and noninvasive hemodynamics. The Doppler echocardiographic signal from pulmonic valve regurgitation depends on the relationship between pulmonary artery (intrathoracic) and right ventricular (intracardiac) pressure. Respiration-associated changes in this signal may aid in the evaluation of pericardial constriction. We demonstrate here that early diastolic cessation with inspiration can indicate a CP process. Early diastolic cessation with inspiration was shown to have correctly diagnosed CP in 70% of the patients in this study, with a sensitivity of 77%, specificity of 64%, positive predictive value of 67%, and negative predictive value of 75%. This noninvasive insight into dissociation of intracardiac and intrathoracic pressures, although not sufficient on its own, may be a valuable tool for aiding in the diagnosis of CP.

Echocardiography, Doppler↗
PubMed1997

[Surgical management of constrictive pericarditis].

Cases of constrictive pericarditis per a institute is few for decrease of this disease. Therefore for surgical management of constrictive pericarditis, it has not been clear whether cardiopulmonary bypass during operation is necessary or not, and the reports of long term results are few. We gathered information by questionnaires from thirty-four institutes, which constitute Tokai Cardiovascular Surgeons Conference in Shizuoka, Aichi, Mie and Gifu Prefecture, for surgical management of constrictive pericarditis, and investigated its results. Etiology of constrictive pericarditis is idiopathic (49%), tuberculosis (29%) or post open heart surgery (10%). Hospital death included operative death is 14%, and postoperative liver complications was many next to heart complications. The cases, whose NYHA functional class at discharge did not improve compared with preoperative state, was 33%. At one year after operation two third of them improved in NYHA functional class, but the others did not improved.

Adolescent↗
PubMed1989

[Lassa fever associated with effusive constrictive pericarditis and bilateral atrioventricular annular constriction: a case report].

A case of Lassa fever associated with effusive constrictive pericarditis and bilateral atrioventricular annular constriction was reported. A 49-year-old man, who had been diagnosed by indirect fluorescent antibody test as the first case of Lassa fever in Japan, was referred to the Hiroo Hospital because of syncope, progressive hepatomegaly, ascites and pericardial effusion in spite of pericardiocentesis and corticosteroid therapy. On admission, his blood pressure was 92/60 mmHg and he had a paradoxical pulse. Two-dimensional echocardiography revealed a localized pericardial effusion adjacent to the right ventricular wall and behind the left ventricular posterior wall. Bilateral atrioventricular annular constriction was also present. On pulsed Doppler echocardiography, the peak inflow velocities of the right and left ventricles increased during atrial systole. Right heart catheterization revealed a mean diastolic pressure gradient of 8 mmHg across the tricuspid valve. After pericardiectomy, a diastolic dip and plateau pattern became evident in the right ventricular pressure tracing, suggesting the presence of residual constriction. However, the atrioventricular annular constriction was no longer evident on two-dimensional echocardiography. This is considered the first reported case of subacute effusive constrictive pericarditis caused by Lassa fever.

Cardiac Catheterization↗
PubMed1989

[Complications of rheumatoid pericarditis: constriction and tamponade].

Pericarditis is frequent in patients with rheumatoid arthritis. It is usually asymptomatic, but cases of constrictive pericarditis or, more rarely, tamponade have been reported. In such cases, the study of pericardial fluid is of special interest for the aetiological diagnosis. Early medical treatment with or without pericardiocentesis is effective in most cases of tamponade, but constrictive pericarditis demands pericardiectomy. We report here three cases of pericarditis responsible for cardiac compression: two cases of tamponade and one case of constrictive pericarditis.

Adult↗
PubMed1999

Constrictive pericarditis.

The diagnosis of constrictive pericarditis remains a challenge because its physical findings and hemodynamics mimic restrictive cardiomyopathy. Various diagnostic advances over the years enable us to differentiate between these two conditions. This review begins with a case report of constrictive pericarditis, followed by a brief history and discussions of etiologies. Clinical features, radiologic, electrocardiographic, angiographic findings, and hemodynamics of constrictive pericarditis are reviewed. The echocardiographic findings are detailed and the recent advances in Doppler flow velocity patterns of pulmonary, mitral, tricuspid valves and hepatic veins are reported. Nuclear ventriculograms depict rapid ventricular filling in constrictive pericarditis and differentiate it from restrictive cardiomyopathy. Endomyocardial biopsy helps further in recognizing the various types of restrictive cardiomyopathies. Computed tomography and magnetic resonance imaging delineate abnormal pericardial thickness in constrictive pericarditis. Association of characteristic hemodynamic changes and abnormal pericardial thickness > 3 mm usually confirms the diagnosis of constrictive pericarditis. Effusive and occult varieties of constrictive pericarditis are briefly described. This review concludes with emphasizing the importance of pericardial resection.

Adult↗