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Query: UMLS:C0018801 (heart failure)
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Cardiac infections after operations are infrequent but, when present, are often fatal. The 14 autopsied patients in whom purulent pericarditis developed after thoracic operations over an 88 year period at The Johns Hopkins Hospital were studied. Purulent pericarditis developed after cardiac operations in 10 and after pulmonary resections in 4. In 12 of the 14 cases the pericardial sac had been opened. Associated postoperative infection, present in 13 patients, included mediastinitis in 7 and empyema in 3. Staphylococcus was the infection organism in half of the patients. Associated cardiac infection, including endocarditis, myocardial abscess, and graft infection, was present in 5 (36 per cent) patients. Death occurred within 2 months of operation in 11 (79 per cent) patients; it was due to infection in 9, cardiac tamponade in 4, and arrhythmias and heart failure in one. The diagnosis of purulent pericarditis was made before death in only 5 (36 per cent) cases, in part owing to masking of the usual signs of pericarditis in the postoperative patient. Since the introduction of antibiotics, the over-all incidence of purulent pericarditis has decreased. However, pericardial infection after thoracotomy has increased tenfold, and patients undergoing cardiac operations in particular provide a new and increasing population at risk for this disease.
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PMID:A clinicopathological study of post-thoracotomy purulent pericarditis. A continuing problem of diagnosis and therapy. 83 29

Purulent pericarditis is rapidly fatal if untreated [1,2]. With increased development of bacterial resistance to antibiotics, severe bacterial infections in children are becoming more frequent [3,4]. We report two children with purulent pericarditis who presented in a 1-month period for evaluation of acute abdominal distention and signs of sepsis. In both, one evaluated with computed tomography (CT) and one with ultrasound, abdominal findings included periportal edema, gallbladder wall thickening, and ascites secondary to right heart failure from cardiac tamponade. Radiologists should be aware that children with purulent pericarditis may have a normal heart size on radiographs, present with acute abdominal symptoms, and demonstrate findings of right sided heart failure on abdominal imaging.
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PMID:Purulent pericarditis presenting as acute abdomen in children: abdominal imaging findings. 1054 98

Purulent pericarditis involves the whole pericardium and usually presents as an acute illness with high mortality without prompt diagnosis and treatment. Presentation as a mediastinal mass causing compression of the right ventricle (RV) and symptoms of heart failure in patients without previous cardiac surgery is very rare and only three cases have been reported up to now (English language medical literature). Clinicians should be aware of this unusual condition for prompt diagnosis and treatment to be instituted.
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PMID:Pericardial abscess mimicking intracardiac neoplasm causing right heart failure. 1567 17

Purulent pericarditis is an infrequent disease which affects the pericardium and has a high mortality rate. The diagnosis is suspected in a febrile patient with right cardiac failure and a primary infectious source. However, not all patients present in this form therefore the diagnosis and treatment can be difficult and a real challenge. This report is of a patient with this disease and other etiologic possibilities are discussed.
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PMID:[Purulent pericarditis. Case report]. 1674 8

Purulent pericarditis is an exceptionally rare complication of pneumococcal pneumonia in infants but a rapidly fatal disease if left untreated. A previously healthy 4-month-old boy presented at our emergency department with a 10-day history of fever and non-productive cough. No signs of heart failure or cardiac friction rub were evidenced. Chest radiography showed lobar pneumonia, right pleural effusion and cardiomegaly. Echocardiography revealed a massive pericardial effusion, and an emergency drainage was performed. Streptococcus pneumoniae grew up from purulent pericardial fluid and blood cultures. After intravenous antibiotherapy, the outcome was favourable. The introduction of the pneumococcal vaccine may favour an increase in the incidence of non-vaccine serotypes which most commonly cause empyaema and perhaps pericarditis. Therefore, pericarditis should always be considered a possible complication in patients with pneumococcal pneumonia and empyaema.
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PMID:Pericarditis as a rare complication of pneumococcal pneumonia in a young infant. 2066 78

The frequency of autopsies appears to be declining, and the usefulness has been challenged. We reviewed cases of autopsied active infective endocarditis (IE) during 2 periods based on the availability of high-tech 2-dimensional echocardiograms: Period 1 (P1) included 40 cases studied from 1970 to 1985, and Period 2 (P2) included 28 cases seen from 1986 to 2008--that is, before and after the introduction of echocardiograms in our institution. We conducted the study to reassess the pathology of IE and to determine how frequently diagnosis is not made during life.The age of patients increased 10 years on average between the 2 periods, and comorbidities were significantly more frequent in P2. While the frequency of rheumatic valve disease and prosthetic valve endocarditis (PVE) decreased, degenerative valve disease increased. Isolated mitral or aortic valve IE was most common. Right-sided IE was observed in patients with Staphylococcus aureus bacteremia from infected venous lines. In most cases IE involved only the cusps of cardiac valves. "Virulent" microorganisms caused ulcerations, rupture, and perforation of the cusps and necrosis of chordae tendiniae and perivalvular apparatus. In PVE the lesions were located behind the site of attachment, and vegetations were seen on the sewing ring in both metallic and biologic prostheses. Infection spread to adjacent structures and myocardium with ring abscess observed in 88% of cases. Prosthetic detachment causing valve regurgitation was associated with abscesses in 76% of cases; these patients developed persistent sepsis and severe cardiac failure. Obstruction occurred in patients with PVE of the mitral valve. Acute purulent pericarditis was observed in 22% of cases, mainly in patients with aortic valve IE and myocardial abscesses.Gross infarcts were seen in 63% of cases but were asymptomatic in most instances. The spleen, kidneys, and mesentery were the sites most frequently involved. Myocardial infarctions were found in less than 10% of cases. Abscesses were also frequently found and were a common source of persistent fever and bacteremia. Glomerulonephritis was more common in the first period. Brain pathology consisted of ischemic and hemorrhagic infarcts and abscesses. Cerebral bleeding was more frequent in patients with PVE on anticoagulant therapy. Neutrophilic meningitis was observed in S. aureus IE.Diagnosis of IE was not made during life in 14 (35%) cases during P1 and 12 (42.8%) cases in P2. Overall, diagnosis was missed until autopsy in 38.2% of cases. IE was hospital acquired in 28 instances. While a clinical diagnosis was made in all but 4 cases of early-onset PVE (23.5%), the diagnosis was not made during life in 22 of 51 patients with native-valve IE (43.1%). Of these 22 patients, IE was hospital acquired in 11 (50%). The absence of fever, cardiac murmurs, and many of the typical stigmata of endocarditis may have led to the diagnosis being overlooked clinically.Brain bleeding, cardiac failure and less frequently acute myocardial infarct were the most common causes of death.IE continues to be missed frequently until autopsy. Postmortem examination is an important tool for evaluating the quality of care, and for guiding teaching and research related to cardiovascular infections.
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PMID:Infective endocarditis at autopsy: a review of pathologic manifestations and clinical correlates. 2254 28