Chest
Volume 116, Issue 6, December 1999, Pages 1564-1569
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Clinical Investigations
Cardiology
Bloody Pericardial Effusion in Patients With Cardiac Tamponade: Is the Cause Cancerous, Tuberculous, or Iatrogenic in the 1990s?

https://doi.org/10.1378/chest.116.6.1564Get rights and content

Study objectives

The decrease in incidence of tuberculosis, along with the increase in invasive cardiovascular procedures, may have changed the frequency of causes of bloody pericardial effusion associated with cardiac tamponade, although this is not yet recognized by medical textbooks. We analyzed the causes of bloody pericardial effusion in the clinical setting of cardiac tamponade in the 1990s; patients’ survival; the effect of laboratory results on discharge diagnosis; and how often bloody pericardial effusion is a presenting manifestation of a new malignancy or tuberculosis.

Design

Retrospective, observational, single-center study.

Setting

A community hospital.

Patients

The charts of all patients who underwent pericardiocentesis for cardiac tamponade and had bloody pericardial effusion were retrospectively reviewed.

Results

Of 150 patients who had pericardiocentesis for relieving cardiac tamponade, 96 patients (64%) had a bloody pericardial effusion. The most common cause of bloody pericardial effusion was iatrogenic disease (31%), namely, secondary to invasive cardiac procedures. The other common causes were malignancy (26%), complications of atherosclerotic heart disease (11%), and idiopathic disease (10%). Tuberculosis was detected as a cause of bloody pericardial effusion in one patient and presumed to be the cause in another patient. Bloody pericardial effusion was found to be a presenting manifestation of a newly diagnosed malignancy in two patients. The patients in the idiopathic and iatrogenic groups were all alive and had no recurrence of pericardial effusion at 24 ± 27 and 33 ± 21 months after hospital discharge, respectively, whereas 80% of patients with malignancy-related bloody effusions died within 8 ± 6 months.

Conclusions

In a patient population that is reasonably representative of that in most community hospitals in the United States, the most common cause of bloody pericardial effusion in patients with signs or symptoms of cardiac tamponade is now iatrogenic disease. Of the noniatrogenic causes, malignancy, complications of acute myocardial infarction, and idiopathic disease predominated. Hemorrhagic tuberculous pericardial effusions are uncommon and may likely reflect a low incidence of cardiac tuberculosis in community hospitals in the United States.

Section snippets

Materials and Methods

The Institutional Review Board approved the study. The charts of patients who were admitted to Cedars-Sinai Medical Center between May 1, 1991, and August 31, 1997, were identified by a computer search for pericardiocentesis and cardiac tamponade. One hundred fifty cases with sufficient data to determine the gross appearance and the cause of the pericardial effusion were identified. Pericardial fluid had been routinely analyzed for gross appearance, cell count, glucose, total protein, lactate

Results

Of the 150 patients with pericardiocentesis and cardiac tamponade, 54 (36%) had nonhemorrhagic pericardial effusions, and 96 (64%) had hemorrhagic effusions. In each case, pericardiocentesis was performed because of signs or symptoms of pericardial tamponade. In this report, we analyzed in detail the 96 patients with bloody pericardial effusions. The group included 47 women, aged 59 ± 20.5 years (range, 24 to 90 years), and 49 men, aged 61 ± 21.5 years (range, 24 to 87 years).

Discussion

The principal finding of our study is that the cause of bloody pericardial effusion associated with cardiac tamponade has changed substantially in the past decade. The most common cause is now iatrogenic disease. In the noniatrogenic group, malignancy, complications of atherosclerotic heart disease and idiopathic causes account for three fourths of the cases. Nonetheless, as presented in Table 3, the most widely referenced textbooks still regard malignancy and TB as the primary causes of

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    Dr. Atar is a Save A Heart Foundation Harkham Industries fellow.

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