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INTRODUCTION: Rare myocarditis and pericarditis cases have occurred in coronavirus disease 2019 (COVID-19) messenger RNA (mRNA) vaccine recipients. Troponin levels, a potential marker of myocardial injury, were assessed in healthy participants before and after BNT162b2 vaccination. METHODS: Vaccine-experienced 12- to 30-year-olds in phase 3 crossover C4591031 Substudy B (NCT04955626) who had two or three prior BNT162b2 30-μg doses were randomized to receive BNT162b2 30 μg followed by placebo, or placebo followed by BNT162b2 30 µg, 1 month apart. A participant subset, previously unvaccinated against COVID-19, in the phase 3 C4591007 study (NCT04816643) received up to three vaccinations (BNT162b2 10 μg or placebo [5- to 11-year-olds]) or open-label BNT162b2 30 μg (12- to 15-year-olds). Blood samples collected pre-vaccination, 4 days post-vaccination, and 1-month post-vaccination (C4591031 Substudy B only) were analyzed. Frequencies of elevated troponin I levels (male, > 35 ng/l; female, > 17 ng/l) were assessed. RESULTS: Percentages of 12- to 30-year-olds (n = 1485) in C4591031 Substudy B with elevated troponin levels following BNT162b2 or placebo receipt were 0.5% and 0.8% before vaccination, 0.7% and 1.0% at day 4, and 0.7% and 0.5% at 1 month, respectively. In Study C4591007 (n = 1265), elevated troponin I levels were observed in 0.2, 0.4, and 0.2% of 5- to 11-year-old BNT162b2 recipients at baseline and 4 days post-dose 2 and 3, respectively; corresponding values in 12- to 15-year-olds were 0.4, 0.4, and 0.7%. No 5- to 11-year-old placebo recipients had elevated troponin levels. No myocarditis or pericarditis cases or deaths were reported. CONCLUSIONS: Among 5- to

Background: Current guidelines for the diagnosis and treatment of pericarditis refer to the general adult population. Few and fragmentary data regarding recurrent pericarditis in older adults exist. Objective of the Study: Given the absence of specific data in scientific literature, we hypothesized that there might be clinical, laboratory and outcome differences between young adults and older adults affected by idiopathic recurrent pericarditis. Materials and Methods: We performed an international multicentric retrospective cohort study analyzing data from patients affected by recurrent pericarditis (idiopathic or post‐cardiac injury) and referring to tertiary referral centers. Clinical, laboratory, and outcome data were compared between patients younger than 65 years (controls) and patients aged 65 or older. Results: One hundred and thirty‐three older adults and 142 young adult controls were enrolled. Comorbidities, including chronic kidney diseases, atrial fibrillation, and diabetes, were more present in older adults. The presenting symptom was dyspnea in 54.1% of the older adults versus 10.6% in controls (p < 0.001); pain in 32.3% of the older adults versus 80.3% of the controls (p < 0.001). Fever higher than 38°C was present in 33.8% versus 53.5% (p = 0.001). Pleural effusion was more prevalent in the older adults (55.6% vs 34.5%, p < 0.001), as well as severe pericardial effusion (>20 mm) (24.1% vs 12.7%, p = 0.016) and pericardiocentesis (16.5% vs 8.5%, p = 0.042). Blood leukocyte counts were significantly lower in the older adults (mean + SE: 10,227 + 289/mm3 vs 11,208 + 285/mm3, p = 0.016). Concerning therapies, NSAIDS were used in 63.9% of the older adults versus 80.3% in the younger (p = 0.003), colchicine in 76.7% versus 87.3% (p = 0.023), corticosteroids in 49.6% versus 26.8% (p < 0.001), and anakinra in 14.3% versus 23.9% (p = 0.044). Conclusions: Older adults affected by recurrent pericarditis show a different clinical pattern, with more frequent dyspnea, pleural effusion, severe pericardial effusion, and lower fever and lower leukocyte count, making the diagnosis sometimes challenging. They received significantly less NSAIDs and colchicine, likely due to comorbidities; they were also treated less commonly with anti‐IL1 agents, and more frequently with corticosteroids. [ABSTRACT FROM AUTHOR]

Purpose: The number of patients presenting with vaccination-related cardiovascular symptoms after receiving mRNA vaccines (mRNA-VRCS) is increasing. We investigated the incidence of vaccine-related adverse events (VAEs), including myocarditis and pericarditis, in patients with mRNA-VRCS after receiving BNT162b2-Pfizer-BioNTech and mRNA-1273-Moderna vaccines. Materials and Methods: We retrospectively collected data on patients presenting with mRNA-VRCS who visited the outpatient clinic of two tertiary medical centers. Clinical characteristics, laboratory findings, echocardiographic findings, and electrocardiographic findings were evaluated. VAE was defined as myocarditis or pericarditis in patients after mRNA vaccination. Clinical outcomes during short-term follow-up, including emergency room (ER) visit, hospitalization, or death, were also assessed among the patients. Results: A total of 952 patients presenting with mRNA-VRCS were included in this study, with 89.7% receiving Pfizer-BioNTech and 10.3% receiving Moderna vaccines. The mean duration from vaccination to symptom was 5.6±7.5 days. VAEs, including acute myocarditis and acute pericarditis, were confirmed in 11 (1.2%) and 10 (1.1%) patients, respectively. The VAE group showed higher rates of dyspnea, echocardiography changes, and ST-T segment changes. During the short-term follow-up period of 3 months, the VAE group showed a higher hospitalization rate compared to the control group; there was no significant difference in ER visit (p=0.320) or mortality rates (p>0.999). Conclusion: Amongst the patients who experienced mRNA-VRCS, the total incidence of VAEs, including acute myocarditis and pericarditis, was 2.2%. Patients with VAEs showed higher rates of dyspnea, echocardiographic changes, and ST-T segment changes compared to those without VAEs. With or without the cardiovascular events, the prognosis in patients with mRNA-VRCS was favorable. [ABSTRACT FROM AUTHOR]

Background Immune checkpoint inhibitors (ICI) are associated with a distinct spectrum of toxicities. Data on irAE hospitalization rates and clinical course of patients with thoracic malignancies are lacking. Methods Patients with advanced thoracic malignancy treated with ICI (2/2016 to 6/2021) were retrospectively identified. Demographic and clinical data of confirmed irAE hospitalizations were extracted from the medical record and a descriptive analysis was performed. Results From February 2016 to June 2021, 1312 patients with thoracic malignancy received ICI (monotherapy, combination with 2nd ICI or other agents) with 102 patients (7.7%) hospitalized for irAEs. Treatment intent was first-line therapy in most patients (N  = 50, 49%) with 9% (n = 9) receiving adjuvant ICI (N  = 9). Sixty patients (59%) received ICI alone, 32% (N  = 33) chemo plus immunotherapy, and 7% (N  = 7) dual ICI. The median age on admission was 68 years. The median time between ICI initiation and admission was 64 days (1-935 days). Pneumonitis (32.3%; 33/102) was the most frequent indication for admission followed by gastroenterocolitis (19.6%; 20/102), hepatitis (12.7%; 13/102), myo/pericarditis (9.8%; 10/102), and endocrinopathies (9.8%; 10/102). Multi-organ toxicity occurred in 36% (N  = 37) of patients. Overall, 85.2% (87/102) of patients received systemic corticosteroids and 17.6% (18/102) required additional lines of immunosuppression. The median length of hospitalization stay was 7 days (2-28 days) with a 25.5% (n  = 26) readmission rate within 60 days and an 11.8% (n  = 12) in house mortality rate. Conclusions Severe irAE requiring inpatient admission, although infrequent, results in considerable morbidity, mortality, and healthcare utilization. Pneumonitis was the most common irAE requiring inpatient management in our patient population with a significant risk of mortality despite the use of guideline-directed systemic immunosuppression. This study highlights the continued need for collaborative efforts amongst medical specialties for improving the diagnostic and therapeutic management of patients with irAEs. [ABSTRACT FROM AUTHOR]

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Constrictive pericarditis can lead to compromised diastolic ventricular filling due to pericardial inflammation and fibrosis. A diagnosis of constrictive pericarditis was established by identifying structural and hemodynamic features through echocardiography. We present a case of constrictive pericarditis, which manifested in the form of gradually worsening dyspnea and lower-extremity edema over a 7 years period. The patient was diagnosed with constrictive pericarditis using echocardiography, and underwent a pericardiectomy. [ABSTRACT FROM AUTHOR]

Simple Summary: Pericardial disease is a common and severe complication in patients with cancer, often presenting as acute pericarditis, pericardial effusion, or constrictive pericarditis. Causes include direct tumor invasion, metastasis, and cancer treatments like chemotherapy and radiotherapy. Lung cancer is the most frequent etiology, followed by breast cancer and lymphomas. Early detection and multidisciplinary management are crucial. Acute pericarditis requires careful diagnosis and treatment with NSAIDs and colchicine. Pericardial effusion is commonly incidental but can lead to cardiac tamponade, necessitating pericardiocentesis or a pericardial window. Immunotherapy-related effusions typically respond to treatment cessation and steroids. Constrictive pericarditis, although rare, requires prompt diagnosis and may necessitate surgical intervention. Multidisciplinary care and early intervention are vital for improving patient outcomes and quality of life. Pericardial disease is increasingly recognized in cancer patients, including acute pericarditis, pericardial effusion, and constrictive pericarditis, often indicating a poor prognosis. Acute pericarditis arises from direct tumor involvement, cancer therapies, and radiotherapy. Immune checkpoint inhibitor (ICI)-related pericarditis, though rare, entails significant mortality risk. Treatment includes NSAIDs, colchicine, and corticosteroids or anti-IL1 drugs in refractory cases. Pericardial effusion is the most frequent manifestation, primarily caused by lung cancer, followed by breast cancer, lymphoma, leukemia, gastrointestinal tumors, and melanoma. Chemotherapy, immunotherapy, and radiotherapy may also cause fluid accumulation in the pericardial space. Symptomatic relief for pericardial effusion may require pericardiocentesis, prolonged catheter drainage, or a pericardial window. Instillation of intrapericardial cytostatic agents may reduce recurrence. Constrictive pericarditis, though less common, often develops from radiotherapy and requires multimodality imaging for diagnosis, with pericardiectomy as the definitive treatment. Primary pericardial tumors are rare, with metastases being more frequent. Patients with cancer and pericardial disease generally have poor survival, emphasizing the need for early detection. A multidisciplinary approach involving hematologists, oncologists, and cardiologists is crucial to tailoring pericardial disease treatment to a patient's clinical status, thereby improving the quality of life and prognosis. [ABSTRACT FROM AUTHOR]

Background: the role of the R202Q (c.605G>A, p.Arg202Gln) missense variant of the MEFV gene has been debated as either a benign polymorphism or a potentially pathogenic mutation. We report and discuss here the case of a young female with corticosteroid-dependent recurrent pericarditis carrying the homozygous R202Q variant, exhibiting distinctive clinical features possibly influenced by this genetic variant. Methods: a 30-year-old woman with a previous diagnosis of cancer and recent respiratory infection presented with severe pleuritic chest pain, hypotension, tachycardia, and fever. Initial diagnostic evaluation indicated cardiac tamponade, and emergent pericardiocentesis was performed. Despite initial treatment with NSAIDs, colchicine, and corticosteroids, the patient experienced multiple recurrences. Genetic testing identified homozygous R202Q variant in the MEFV gene. Given the corticosteroid dependency and recurrent nature of her condition, IL-1 inhibitor anakinra was introduced, leading to significant improvement, although tapering below 150 mg per week failed to prevent recurrences. Results: the introduction of anakinra resulted in rapid symptom relief and resolution of pericardial effusion. However, attempts to taper or discontinue anakinra led to pericarditis recurrences. Ultimately, a maintenance dose of 50 mg every three days was established, which maintained remission for 18 months without recurrence. Despite multiple tapering attempts, further reduction in anakinra dosage was unsuccessful without triggering relapses. Conclusions: the R202Q variant, although typically considered benign, may contribute to an autoinflammatory phenotype resembling familial Mediterranean fever. This case underscores the potential pathogenicity of the homozygous R202Q variant in recurrent pericarditis and its responsiveness to IL-1 inhibition. In patients with corticosteroid-dependent recurrent pericarditis, genetic testing for the R202Q variant should be considered when anti-IL-1 drugs cannot be withdrawn. Further studies are warranted to elucidate the variant's role in pericardial inflammation and guide personalized treatment strategies. [ABSTRACT FROM AUTHOR]

Systemic lupus erythematosus (SLE) presenting with cardiac tamponade is a rare cardiac manifestation, Candida pericardial effusion is a very rare entity in clinical settings especially in developing world where tuberculosis is the frequent cause of pericardial effusion, Fungal diseases suspicion arises in the setting of immune suppression like malignancy, diabetes, Steroid treatment and HIV etc, Our case is one such rare event where a treatment naïve young female presented with cardiac tamponade in high disease activity of SLE with superimposed Candida infection. [ABSTRACT FROM AUTHOR]

Objective: SARS-CoV-2 infection induces an immune response that causes excessive inflammation damaging cardiac tissue and vascular endothelium. The objective of this study is to review a series of cases of hospitalized patients with pre-existing cardiac disease to describe the clinical behavior and highlight the low frequency of morbidity and mortality. Method: Retrospective study of 17 patients with a confirmed diagnosis of COVID-19 by polymerase chain reaction test or antigen test, a history of cardiovascular disease with or without comorbidities, and a history of at least one dose of the vaccine for COVID-19, during the period between December 30, 2021 and March 17, 2022 at the Ignacio Chávez National Institute of Cardiology in Mexico City. Results: The most frequent cardiac pathology was acute myocardial infarction (31.25%) and the most common arrhythmia was atrial fibrillation (25%). The median number of days of hospital stay was 10 days (interquartile range: 4-14). Regarding the outcomes, 94% of the patients were discharged due to clinical improvement, and only one patient died during his hospitalization. Conclusions: It is crucial to continue investigating SARS-CoV-2 effects in patients pre-existing heart disease and in those with persistent symptoms after infection. This will allow the development of more effective strategies for the treatment and prevention of cardiovascular complications associated with COVID-19. [ABSTRACT FROM AUTHOR]

Aim: Acute pericarditis is inflammation of the pericardium, the membrane surrounding the heart. It typically presents with sudden chest pain, fever and general malaise. The uric acid/albumin ratio can help assess patients’ inflammatory status and monitor their response to treatment. Our aim is to evaluate the effect of uric acid/albumin ratio on the probability of recurrence and hospital stay in pericarditis patients. Methods: This study is designed as a retrospective cohort study and a total of 233 patients were evaluated. Patients’ demographic information, clinical findings and laboratory tests were evaluated. Treatment data were collected, including medications used (NSAIDs, colchicine, corticosteroids), duration of treatment, and length of hospital stay. Recurrence cases, hospital stays and the need for additional treatment were evaluated. Results: The median age was 42 years, with a range of 18 to 65 years. The uric acid/albumin ratio showed a significant positive correlation with CRP (ρ = 0.182, p = 0.005) and troponin levels (ρ = 0.483, p < 0.001), indicating its association with inflammatory and cardiac stress markers. Additionally, a negative correlation was observed with hemoglobin levels (ρ = -0.535, p < 0.001). Conclusion: The uric acid/albumin ratio offers a novel and insightful approach to evaluating acute pericarditis, providing a composite marker of inflammation, oxidative stress, and nutritional status. Its significant associations with clinical severity and recurrence risk highlight its potential role in guiding patient management and improving outcomes. [ABSTRACT FROM AUTHOR]

Background/Objectives: Anemia during acute inflammation is not well described in the literature. We aimed to study whether patients develop a transient hemoglobin decrease during an acute attack of recurrent pericarditis. Methods: We retrospectively analyzed patients with recurrent pericarditis. The primary endpoint was the difference in hemoglobin levels during an acute attack and in the following remission. As secondary endpoints, we correlated this variation with laboratory and clinical features; we also evaluated the available baseline hemoglobin values. Results: Sixty-two patients, including thirty females (48.4%), with a median age of 39 years, were observed during an acute attack and remission. The attack indexed was the first in 21 patients and the second or the third in 41, with pre-attack hemoglobin levels available for the latter group. Median hemoglobin levels (IQR) were 13.8 (12.8–15.1) g/dL at baseline, 12.0 (11.2–13.4) during attacks and 13.6 (13.1–14.0) during remission (p < 0.001). The median hemoglobin reduction between an acute attack and remission was 1.4 g/dL. Their mean corpuscular volume remained in the normal range. Hb reduction significantly correlated with C-reactive protein (CRP) elevation, neutrophilia and the neutrophil-to-lymphocyte ratio, but not serosal involvement. Only CRP elevation remained associated with the variation of Hb in a multivariate analysis (p = 0.007). Conclusions: This study is a proof of concept: hemoglobin levels may decline rapidly during acute inflammation in correlation with CRP elevation, with transient normocytic anemia, followed by a rapid rebound. In this regard, idiopathic pericarditis may represent a pathogenetic model of this type of anemia. [ABSTRACT FROM AUTHOR]

Background: This study aimed to explore the association between inflammatory markers and the occurrence of post-atrial fibrillation (AF) ablation pericarditis (PAP), while also examining the PAP's incidence and contributing factors. Methods: A retrospective cohort study was conducted between January 2021 and November 2023, including patients who underwent successful AF ablation. Inflammatory markers of interest included the systemic immune-inflammation index (SII), the neutrophil-to-lymphocyte ratio (NLR), and the platelet-to-lymphocyte ratio (PLR). Results: Among the 231 patients examined, 22 (9.52%) were classified as suspected PAP, and 14 (6.06%) as definitive PAP. The median age was 58 years, with no age difference between groups. Males comprised 51.52% of the sample, with male sex frequency significantly higher in the suspected PAP group relative to the other groups (p = 0.007). Multivariable logistic regression indicated that AF duration (p = 0.026) and cavotricuspid isthmus (CTI) ablation (p = 0.001) were associated with definitive PAP, whereas analysis for any pericarditis (suspected or definitive PAP) revealed independent relationships with CTI ablation (p = 0.003) and sleep apnea (p = 0.008). SII, NLR, and PLR were not associated with PAP. Conclusions: Prolonged AF duration, CTI ablation, and sleep apnea are risk factors for PAP. The inflammatory markers (SII, NLR, and PLR) showed no association, warranting further investigation into other markers. [ABSTRACT FROM AUTHOR]

Importance: Pericarditis accounts for up to 5% of emergency department visits for nonischemic chest pain in North America and Western Europe. With appropriate treatment, 70% to 85% of these patients have a benign course. In acute pericarditis, the development of constrictive pericarditis (<0.5%) and pericardial tamponade (<3%) can be life-threatening. Observations: Acute pericarditis is diagnosed with presence of 2 or more of the following: sharp, pleuritic chest pain that worsens when supine (≈90%); new widespread electrocardiographic ST-segment elevation and PR depression (≈25%-50%); a new or increased pericardial effusion that is most often small (≈60%); or a pericardial friction rub (<30%). In North America and Western Europe, the most common causes of acute pericarditis are idiopathic or viral, followed by pericarditis after cardiac procedures or operations. Tuberculosis is the most common cause in endemic areas and is treated with antituberculosis therapy, with corticosteroids considered for associated constrictive pericarditis. Treatment of acute idiopathic and pericarditis after cardiac procedures or operations involves use of high-dose nonsteroidal anti-inflammatory drugs (NSAIDs), with doses tapered once chest pain has resolved and C-reactive protein level has normalized, typically over several weeks. These patients should receive a 3-month course of colchicine to relieve symptoms and reduce the risk of recurrence (37.5% vs 16.7%; absolute risk reduction, 20.8%). With a first recurrence of pericarditis, colchicine should be continued for at least 6 months. Corticosteroids are often used if pericarditis does not improve with NSAIDs and colchicine. In certain patients with multiple recurrences, which can occur for several years, interleukin 1 (IL-1) blockers have demonstrated efficacy and may be preferred to corticosteroids. Conclusions: Acute pericarditis is a common cause of nonischemic chest pain. Tuberculosis is the leading cause of pericarditis in endemic areas and is treated with antitubercular therapy. In North America and Western Europe, pericarditis is typically idiopathic, develops after a viral infection, or develops following cardiac procedures or surgery. Treatment with NSAIDs and colchicine leads to a favorable prognosis in most patients, although 15% to 30% of patients develop recurrence. Patients with multiple recurrent pericarditis can have a disease duration of several years or more, are often treated with corticosteroids, and IL-1 blockers may be used for selected patients as steroid-sparing therapy. This review summarizes current evidence on recommended treatments for acute pericarditis, its prognosis, and the diagnostic evaluation of individuals with suspected initial or recurrent pericarditis. [ABSTRACT FROM AUTHOR]

A man in his 30s awaiting end-of-treatment,sF-fluorodeoxyglucose positron emission tomography/CT (18F-FDG PET/CT) for primary mediastinal B-cell lymphoma developed chest pain and pericardial effusion. His interim 18F-FDG PET/CT showed complete metabolic responses. His blood test revealed elevated levels of inflammatory markers, including C-reactive protein of 204.1 mg/L and erythrocyte sedimentation rate of 106 mm/h. His pericardial biopsy revealed organizing fibrinous pericarditis with hemosiderin pigment deposition and no evidence of malignancy or granuloma. The 18F-FDG PET/CT performed during this episode of illness revealed a mild degree of 18F-FDG uptake along the pericardial lining [maximum standardized uptake value (SUVmax) =6.76] compared with the blood pool activity (SUVmax =3.17), which favors pericarditis over relapsed lymphoma. His symptoms subsided 2 weeks after treatment with an non-steroidal anti-inflammatory drug, and he had no sign of relapsed lymphoma on subsequent follow-ups. [ABSTRACT FROM AUTHOR]

Background: Multiple reports have described myopericarditis following mRNA COVID-19 vaccination. However, data on the persistence of subclinical myocardial injury assessed by left ventricular (LV) longitudinal strain (LVLS) is limited. Objectives: Our aim was to assess LV function longitudinally in our cohort of COVID-19 vaccine-related myopericarditis using ejection fraction (EF), fractional shortening (FS), LVLS, and diastolic parameters. Methods: Retrospective, single-center review of demographic, laboratory, and management data was performed on 20 patients meeting diagnostic criteria for myopericarditis after mRNA COVID-19 vaccination. Echocardiographic images were obtained on initial presentation (time 0), at a median of 12 days (7.5, 18.5; time 1), and at a median of 44 days (29.5, 83.5; time 2). FS was calculated by M-mode, EF by 5/6 area-length methods, LVLS by utilization of TOMTEC software, and diastolic function by tissue Doppler. All parameters were compared across pairs of these time points using Wilcoxon signed-rank test. Results: Our cohort consisted predominantly of adolescent males (85%) with mild presentation of myopericarditis. The median EF was 61.6% (54.6, 68.0), 63.8% (60.7, 68.3), 61.4% (60.1, 64.6) at times 0, 1, and 2, respectively. Upon initial presentation, 47% of our cohort had LVLS < -18%. The median LVLS was -18.6% (-16.9, -21.0) at time 0, -21.2% at time 1 (-19.4, -23.5) (p = 0.004) and -20.8% (-18.7, -21.7) at time 2 (p = 0.004, as compared to time 0). Conclusions: Though many of our patients had abnormal strain during acute illness, LVLS improved longitudinally, indicating myocardial recovery. LVLS can be used as marker of subclinical myocardial injury and risk stratification in this population. [ABSTRACT FROM AUTHOR]

Persons who contract COVID-19 are at risk of developing post-acute sequelae of SARS-CoV-2 (PASC). The objective of this study was to describe the incidence of PASC in a pediatric Medicaid population. Using a retrospective cohort of children enrolled in New York State Medicaid Managed Care we compared incident diagnoses between children with a positive laboratory test for SARS-CoV-2 in 2021 to children without a positive test in 2021 and children with a viral respiratory diagnosis in 2019. Logistic regression models estimated adjusted odds ratios using the Cohen's d statistic to assess the strength of associations. Most unadjusted incidence of clinical outcomes were less than 1% for all cohorts. Relative to the 2021 comparison cohort, significant increases among SARS-CoV-2 cases were observed in sequela of infectious disease conditions, general signs and symptoms, and pericarditis and pericardial disease and for the 2019 comparison, sequela of infectious disease conditions and suicidal ideation. However, associations were mostly determined to be weak or marginal. In this low socioeconomic status pediatric population, incidence of new clinical sequelae was low with mostly weak or marginal increases associated with SARS-CoV-2 infection. Though the incidence was low, some outcomes may be severe. Observed associations may have been impacted by pandemic behavior modification including social distancing policies. [ABSTRACT FROM AUTHOR]

Objective: Rare disease. Background: Constrictive pericarditis occurs due to chronic pericardial inflammation and adherence of the cardiac pericardial layer. Etiologies include toxins, infection, cardiac surgery, and idiopathic causes. Outside the United States, the most common cause of constrictive pericarditis is tuberculosis (TB). Constrictive pericarditis is the most severe complication of tuberculous pericardial disease. Case Report: A 31-year-old man who recently immigrated to the United States presented with a 2-week history of constitutional symptoms, dyspnea, and pleuritic chest pain. Physical examination was pertinent for bilateral lower extremity pitting edema, decreased bilateral breath sounds, and jugular venous distension. Transthoracic echocardiogram revealed a left ventricular ejection fraction of 45%, pericardial thickening, and an exaggerated septal bounce. Right heart catheterization showed discordant and concordant right ventricular pressure tracings. Cardiac magnetic resonance imaging revealed bilateral pleural effusions and circumferential pericardial thickening. Thoracocentesis was significant for an exudative effusion, with elevated adenosine deaminase levels. Subsequent QuantiFERON-TB Gold testing was positive, and he underwent elective pericardiectomy. Pericardial histopathology revealed necrotizing caseating granulomas. He was discharged on a 6-month course of rifampicin, isoniazid, pyrazinamide, and ethambutol therapy, with close multidisciplinary care team outpatient follow-up. Conclusions: This case highlights the importance of a high index of clinical suspicion for tuberculous pericarditis in patients presenting with constitutional and heart failure symptoms and a relevant travel history, to ensure prompt diagnosis and treatment. This case also reflects the importance of coordination of care between cardiology, infectious disease, pathology, and cardiothoracic surgery teams in the management of tuberculous constrictive pericarditis. [ABSTRACT FROM AUTHOR]

Histiocytoses are rare diseases characterised by infiltration of affected organs by myeloid cells with a monocyte or dendritic cell phenotype. Symptoms can range from self-resolving localised forms to multisystemic lesions requiring specific treatment. To demonstrate extremely rare cases of CD68-negative cardiac histiocytosis with expression of SARS-CoV-2 antigen in infiltrate cells. We demonstrated a case of Erdheim–Chester disease in a 67-year-old man with pericardial involvement and positive dynamics with vemurafenib treatment, an autopsy case of xanthogranulomatous myopericarditis in a 63-year-old man, surgical material of xanthogranulomatous constrictive pericarditis in a 57-year-old man, and an autopsy case of xanthogranulomatosis in a 1-month-old girl. In all cases, xanthogranuloma cells expressed CD163, many of them spike protein SARS-CoV-2, while CD68 expression was detected only in single cells. In this article, we demonstrated four cases of extremely rare CD68-negative cardiac xanthogranulomatosis in three adults and one child with expression of the spike protein SARS-CoV-2 in M2 macrophages. This potential indirect association between COVID-19 and the development of histiocytosis in these patients warrants further investigation. To substantiate this hypothesis, more extensive research is needed. [ABSTRACT FROM AUTHOR]

Background: Traumatic reticulopericarditis (TRP) is rarely reported in camels. This report provides TRP in camels. Case Description: She-camel (3 years old) with a history of anorexia, and stinky smell-bloody diarrhea for more than 3 weeks associated with pain, ventral thoracoabdominal edema, positive for metal detection examination that raised the suspicion of TRP. The result of the plasma cardiac troponin I level was 0.253 ng/ml. Electrocardiography on admission using a standard base-apex ECG revealed an irregular rhythm of heart rate and abnormal complex morphology in QRS duration and segments (ST and TP). Elevation of the S-T segment with a slight depression in the P-R segment matched with pericarditis. Conclusion: This report suggests a rare case of TRP and demonstrated for the first time cTnI and ECG patterns of camel with TRP. [ABSTRACT FROM AUTHOR]

Purulent pericarditis in children is a life-threatening condition causing cardiac tamponade and disrupting the hemodynamic status of the patient. It has been associated with high mortality if treatment is delayed. Furthermore, purulent pericarditis may lead to constrictive pericarditis in the long term if not fully treated. Acute purulent pericarditis should be seriously considered in every septic child presenting with signs of right heart decompensation. Echocardiography is important for diagnosis. Diagnostic pericardiocentesis should be performed. Recent experience shows that excellent results can be obtained when adequate surgical drainage and antibiotic therapy are combined. We report a case of purulent bacterial pericarditis caused by methicillin-resistant Staphylococcus aureus in an immunocompetent young child presenting with sepsis. The patient was successfully treated with a combined medical and early surgical approach. [ABSTRACT FROM AUTHOR]

Background/Objectives: Constrictive pericarditis very rarely causes protein-losing enteropathy (PLE) induced by secondary intestinal lymphangiectasia. This study thoroughly reviewed the literature to shed light on the clinical management of PLE provoked by intestinal lymphangiectasia following constrictive pericarditis. Methods: We performed a PubMed search using the keywords enteropathy, protein-losing enteropathy, pericarditis, acute pericarditis, pericardial effusion, recurrent pericarditis, constrictive pericarditis, noninfectious pericarditis, idiopathic pericarditis, and infective pericarditis, with only English-language publications included. Results: Although constrictive pericarditis is primarily idiopathic, less common causes include infectious etiologies, connective/autoimmune tissue disorders, previous cardiac surgery, congenital syndromes, and cancer. On the one hand, PLE secondary to intestinal lymphangiectasia may cause a severe cellular immune deficiency that could raise infection hazards due to lymphocytopenia and hypogammaglobulinemia. On the other hand, lymphocytopenia may cause anergy and mask an underlying tuberculous etiology of constrictive pericarditis. Cardiac catheterization is the most useful diagnostic tool for constrictive pericarditis, though it may be misdiagnosed in rare cases. The videocapsule endoscopy and double-balloon enteroscopy techniques can detect small bowel lymphangiectasias distal to the Treitz ligament. MRI or a CT scan helps confirm constrictive pericarditis, visualize lymphangiectasias, and reveal features specific to the underlying etiology of PLE. Radioisotopic techniques may ensure PLE diagnosis in challenging cases, whereas fecal alpha1-antitrypsin can estimate gastrointestinal protein loss. Conclusions: Constrictive pericarditis is rarely associated with PLE. The cardio-intestinal abnormalities of PLE caused by constrictive pericarditis are frequently reversed following a complete pericardiectomy, though its ability to invert severe hypoalbuminemia is currently unknown. [ABSTRACT FROM AUTHOR]

Objective: Our study aimed to explore with cardiovascular magnetic resonance (CMR) the impact of left atrial (LA) and left ventricular (LV) myocardial strain in patients with acute pericarditis and to investigate their possible prognostic significance in adverse outcomes. Method: This retrospective study performed CMR scans in 36 consecutive patients with acute pericarditis (24 males, age 52 [23–52]). The primary endpoint was the combination of recurrent pericarditis, constrictive pericarditis, and surgery for pericardial diseases defined as pericardial events. Atrial and ventricular strain function were performed on conventional cine SSFP sequences. Results: After a median follow-up time of 16 months (interquartile range [13–24]), 12 patients with acute pericarditis reached the primary endpoint. In multivariable Cox regression analysis, LA reservoir and LA conduit strain parameters were all independent determinants of adverse pericardial diseases. Conversely, LV myocardial strain parameters did not remain an independent predictor of outcome. With receiving operating characteristics curve analysis, LA conduit and reservoir strain showed excellent predictive performance (area under the curve of 0.914 and 0.895, respectively) for outcome prediction at 12 months. Conclusion: LA reservoir and conduit mechanisms on CMR are independently associated with a higher risk of adverse pericardial events. Including atrial strain parameters in the management of acute pericarditis may improve risk stratification. Clinical relevance statement: Atrial strain could be a suitable non-invasive and non-contrast cardiovascular magnetic resonance parameter for predicting adverse pericardial complications in patients with acute pericarditis. Key Points: • Myocardial strain is a well-validated CMR parameter for risk stratification in cardiovascular diseases. • LA reservoir and conduit functions are significantly associated with adverse pericardial events. • Atrial strain may serve as an additional non-contrast CMR parameter for stratifying patients with acute pericarditis. [ABSTRACT FROM AUTHOR]

This prospective study describes the occurrence, morphology and localisation of type 1 abomasal ulcers (AU1) in various diseases of buffaloes and cattle. The carcasses were examined to confirm the cause of death. The abomasa were examined for AU1 and their characteristics. The AU1 were categorised into four subtypes, 1a, 1b, 1c and 1d, as per standard procedure. Traumatic reticuloperitonitis/pericarditis, reticular diaphragmatic hernia, intestinal obstruction, peritonitis, bronchopneumonia and theileriosis were the common causes for AU1. The overall prevalence of AU1 was 62.9%, which did not differ significantly with species and age. The prevalence of acute ulcers (1a and 1b) was significantly higher than that of chronic ulcers (1c and 1d). Most AU1 were located in the caudal third of abomasal body on parietal surface along the greater curvature. Most of the 1a ulcers were located in the pylorus, while 1b, 1c and 1d were located in the abomasal body. The overall prevalence of AU1 was lower (P<0.05) in the fundus than in other anatomical regions of the abomasum. Type 1b ulcers were more numerous than other subtypes. It was concluded that AU1 may be an important cause of slow recovery/poor prognosis under clinical situations and hence, the therapy protocol for such cases should include treatment for probable gastrointestinal bleeding. [ABSTRACT FROM AUTHOR]

Background Polymicrobial pericarditis is an extremely rare and lethal form of pericarditis. Prompt initiation of appropriate antimicrobial treatment and pericardial drainage are crucial. Case summary A 57-year-old immunocompromised male patient presented to the emergency department due to dyspnoea, chest pain, and fever lasting for 7 days. Following clinical, laboratory, and imaging work-up, he was found to have pericardial effusion with signs of tamponade. After pericardiocentesis through subxiphoid and apical approaches, 800 mL of gross purulent fluid was obtained. Blood and pericardial fluid cultures confirmed the diagnosis of polymicrobial purulent pericarditis (Staphylococcus aureus and Bacteroides vulgatus). Further work-up revealed minor peritoneal effusion, and paracentesis fluid culture revealed the presence of S. aureus and, additionally, Candida albicans. After treatment initiation with intravenous antibiotics, pericardial, drainage and supportive measures, the patient's condition initially improved despite the development of constrictive pericarditis. However, he suddenly deteriorated after 37 days of hospitalization and passed away after 51 days of hospitalization. Discussion To the best of our knowledge, this is the first report of purulent pericarditis and purulent peritoneal effusion in the settings of S. aureus bacteraemia with an absent primary infection focus. Clinicians should be aware of treatment options for purulent pericarditis and consider intrapericardial fibrinolysis, especially in patients not suited for more invasive pericarditis treatment. [ABSTRACT FROM AUTHOR]

Background Severe liver failure with ascites may be associated with cardiac disease and may be the primary manifestation of constrictive pericarditis or aortic dissection. We report a case of a patient with a chief complaint of ascites for whom close examination revealed that the liver injury was attributed to constrictive pericarditis and chronic aortic dissection, with immunoglobulin G4 (IgG4)-related disease (IgG4-RD) as the primary cause. Case summary A 72-year-old man presented to the emergency department with scrotal oedema and ascites. Initially, the patient was hospitalized in the Department of Hepatology. However, computed tomography (CT) revealed aortic dissection (DeBakey type II), pericardial thickening, and impaired right ventricular dilatation. Therefore, we performed an ascending aortic replacement. IgG4 staining of the aortic wall revealed an IgG4/IgG-positive cell ratio of 35%. Pathological examination did not confirm the diagnosis of IgG4-related aortitis; however, the patient was diagnosed with IgG4-RD because of decreased blood IgG4 levels in response to steroid medication and the presence of heterogeneous thickened lesions in the pericardium. The patient took prednisolone 5 mg/day for 1 month post-operatively. His IgG4 level decreased but re-elevated above the baseline value after discontinuation of oral medication. Discussion Liver cirrhosis was suspected given the ascites, although a CT scan on admission confirmed insufficiency of systemic circulation due to cardiac constrictive pericarditis with aortic dissection. Despite the complexity of various pathologies in this patient, collaborative efforts and effective communication within the medical team enabled successful aortic surgery, averting life-threatening complications. [ABSTRACT FROM AUTHOR]

Background We report an unusual case of rheumatoid arthritis presenting for the first time with pericardial constriction and bilateral pleural calcification, in the absence of prior articular disease. Case summary A 46-year-old Caucasian male, who initially presented with shortness of breath, intermittent chest tightness and general malaise, underwent extensive diagnostic workup over a period of six months involving multiple hospital admissions. He was found to have pericardial constriction on echocardiogram and ultimately required surgical pericardiectomy due to decompensation. After multiple diagnostic tests and specialist opinion, the aetiology of pericardial disease was ultimately confirmed to be extra-articular rheumatoid disease without synovitis. Discussion Significant pericardial constriction can occur as the initial presentation of rheumatoid disease and anti-CCP is a highly specific confirmatory test. Pericardial pathological specimen can be unhelpful in determining this aetiology, and constrictive physiology can occur due to chronic inflammation/fibrosis in the absence of significant calcification. [ABSTRACT FROM AUTHOR]

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Radiation-associated cardiovascular disease (RACD), a complex disease characterized with pericarditis, myocardial damage, valvular heart diseases, heart failure, vasculopathy and ischemic heart disease, has a generally poor prognosis. While RACD may be acute, it often manifests in the late years or even decades following radiation exposure to the chest. With an increasing number of cancer survivors, RACD is likely to become an important issue in cardio-oncology. This review discusses pre-radiation therapy (RT) preparation, peri-RT patient management and long follow-up planning post-RT from a cardiology perspective. Additionally, a novel technique of stereotactic radiotherapy, which has been applied for the treatment of intractable cardiac arrhythmias, is presented. Appropriate patient examination and management during and after RT are essential to support patients undergoing cancer treatment to improve long life expectancy. A multidisciplinary team is needed to determine how to manage patients who receive RT to reduce RACD, to detect early phases of RACD and to provide the best treatment for RACD. Recent studies increasingly report advances in diagnosis using new equipment that has the potential to detect early phases of RACD, along with growing evidence for the optimal treatment for RACD. This review provides an overview of recent studies and guidelines to report on the latest findings, and to identify unresolved issues surrounding RACD that require validation in future studies. [ABSTRACT FROM AUTHOR]

Jakob Kjølby Eika,1,2,&ast; Kasper Bonnesen,1,2,&ast; Lars Pedersen,1,2 Vera Ehrenstein,1,2 Henrik Toft Sørensen,1,2 Morten Schmidt1– 3 1Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark; 2Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; 3Department of Cardiology, Gødstrup Regional Hospital, Herning, Denmark&ast;These authors contributed equally to this workCorrespondence: Morten Schmidt, Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark and Department of Clinical Medicine, Aarhus University, Olof Palmes Allé 43– 45, Aarhus, 8200, Denmark, Tel +45 87 16 72 12, Email morten.schmidt@clin.au.dkPurpose: Ibuprofen is used to treat acute pericarditis, but high-dose ibuprofen has also been associated with increased cardiovascular risks. We examined the cardiovascular safety of using ibuprofen for acute pericarditis.Patients and Methods: A Danish nationwide, population-based cohort study including patients ≥ 18 years with first-time acute pericarditis (n=12,381) during 1996– 2020 was conducted. Ibuprofen use was modelled in two ways: First, we considered patients exposed based on the tablet strength of their first ibuprofen filling (a proxy for an intention-to-treat analysis). Second, we considered patients exposed in a time-varying manner (a proxy for an as-treated analysis). The primary outcome of major adverse cardiovascular events (MACE) was a composite of myocardial infarction, ischemic stroke, congestive heart failure, and cardiovascular death.Results: In the intention-to-treat analysis, the 1-year risk of MACE was 1.37% (95% confidence interval [CI]: 1.03– 1.79) for ibuprofen initiators and 4.32% (95% CI: 3.89– 4.78) for non-initiators. Compared with non-initiators within 1-year follow-up, the adjusted hazard ratio for MACE was 0.75 (95% CI: 0.67– 0.85) for initiators overall, 0.38 (95% CI: 0.28– 0.52) for initiators of > 400 mg tablets, and 0.87 (95% CI: 0.76– 0.99) for initiators of ≤ 400 mg tablets. In the as-treated analysis, compared with no use, the hazard ratio associated with ibuprofen use was 0.69 (95% CI: 0.54– 0.89) for MACE, 0.82 (95% CI: 0.54– 1.26) for myocardial infarction, 0.74 (95% CI: 0.45– 1.22) for ischemic stroke, 0.67 (95% CI: 0.47– 0.96) for congestive heart failure, and 0.60 (95% CI: 0.31– 1.17) for cardiovascular death.Conclusion: Ibuprofen use for acute pericarditis was not associated with increased cardiovascular risks, supporting its safety in current practice.Keywords: Pericarditis, Anti-Inflammatory Agents, non-steroidal, Cohort Study, Epidemiology

Background: Traumatic reticulopericarditis (TRP) is a rarely reported in camels. This report provides traumatic reticulopericarditis in camel. Case Description: She-camel (3 years old) with a history of anorexia, and stinky smell-bloody diarrhea for more than three weeks associated with pain, ventral thoracoabdominal edema, positive for metal detection examination that raised the suspicion of traumatic reticulopericarditis. The result of the plasma cardiac troponin I (cTnI) level was 0.253 ng/mL. Electrocardiography on admission using a standard base-apex ECG revealed an irregular rhythm of heart rate and abnormal complex morphology in QRS duration and segments (ST and TP). Elevation of the S-T segment with a slight depression in the P-R segment matched with pericarditis. Conclusion: This report suggests a rare case of traumatic reticulopericarditis and demonstrated for the first time bTn1 and ECG patterns of camel with traumatic reticulopericarditis. [Open Vet J 2024; 14(9.000): 2493-2496]

Purulent pericarditis in children is a life-threatening condition causing cardiac tamponade and disrupting the hemodynamic status of the patient. It has been associated with high mortality if treatment is delayed. Furthermore, purulent pericarditis may lead to constrictive pericarditis in the long term if not fully treated. Acute purulent pericarditis should be seriously considered in every septic child presenting with signs of right heart decompensation. Echocardiography is important for diagnosis. Diagnostic pericardiocentesis should be performed. Recent experience shows that excellent results can be obtained when adequate surgical drainage and antibiotic therapy are combined. We report a case of purulent bacterial pericarditis caused by methicillin-resistant Staphylococcus aureus in an immunocompetent young child presenting with sepsis. The patient was successfully treated with a combined medical and early surgical approach.

Melioidosis, an infectious disease caused by Burkholderia pseudomallei, is prevalent in Southeast Asia and Northern Australia, presenting various clinical manifestations from asymptomatic to life-threatening infections. Although primarily affecting the lungs, intra-abdominal viscera, and musculoskeletal system, melioidosis can rarely involve the heart and mediastinum, which pose significant diagnostic and therapeutic challenges. Herein, we present the case of a 53-year-old male farmer who presented with persistent fever and chest pain, progressing to pericarditis and cardiac tamponade. Imaging revealed necrotic mediastinal lymphadenopathy and an enhancing pericardium with pericardial effusion. The patient underwent emergency surgical drainage and was treated with intravenous followed by oral antibiotics. Culture confirmed Burkholderia thailandensis, a closely related but less commonly reported species. This report highlights the complexities of diagnosing and managing B. thailandensis, which can mimic aortic disease, tuberculosis, malignancies, and other inflammatory conditions, especially in endemic areas, emphasizing the need for prompt medical and surgical treatment to improve patient outcomes.

The search for new biomarkers for the early diagnosis of systemic lupus erythematosus (SLE) is a crucial task. Objective: a comparative study of concentrations of conservative protein nucleobindin 1 (NUCB1) in the blood serum of patients with SLE and healthy donors and assessment of correlation of NUCB1 level with clinical and serological manifestations of the disease.Material and methods. The study included 21 patients with SLE who fulfilled SLICC criteria and 23 healthy donors. SLEDAI-2K index was used to assess SLE activity. Organ damage was assessed using SLICC damage index. Standard laboratory markers of SLE were analyzed in all patients. Concentration of NUCB1 in blood serum was determined using the enzyme immunoassay method. Results and discussion. The group of SLE patients included 20 women and 1 man (median age 33 [27; 40] years, disease duration 5 [3; 10] years), mainly with high disease activity (median SLEDAI-2K 8.5 [6.0; 14.0]). Kidney involvement was found in 52% of cases (nephritis), involvement of joints – in 67% (arthritis), vessels – in 33%, skin – in 67%, pericarditis – in 29%, hematological abnormalities – in 71%, antinuclear factor – in 76% and antibodies against double-stranded DNA – in 71%. An increase in the mean NUCB1 level to 3881 ng/ml was found in the blood serum of SLE patients compared to the control group (2766 ng/ml; p=0.048). Correlations of NUCB1 levels with vascular damage (r=0.653; p

Abstract Background The heart can be involved in immunoglobulin (Ig)-G4-related disease (IgG4-RD). This study aimed to summarize the clinical features and efficacy of treatment for IgG4-RD patients with heart involvement. Methods We conducted a retrospective study enrolling 42 IgG4-RD patients with heart involvement from the IgG4-RD cohorts of the Peking Union Medical College Hospital and Beijing An Zhen Hospital, from 2010 to 2022. Clinical, laboratory, radiological data were collected, and treatment responses to glucocorticoids and immunosuppressants were analyzed. Results IgG4-related cardiac involvement is a rare part of the IgG4-RD spectrum. The incidences of coronary periarteritis and pericarditis were 1.2%(13/1075) and 3.1%(33/1075), respectively in our cohort. Valvular disease possibly related to IgG4-RD was detected in two patients. None of the patients with myocardial involvement were identified. The average age was 58.2 ± 12.8 years, with a male predominance (76.7%). Coronary artery CT revealed that mass-like and diffuse wall-thickening lesions were the most frequently observed type of coronary periarteritis. Pericarditis presented as pericardial effusion, localized thickening, calcification and mass. After treatment with glucocorticoid and immunosuppressants, all patients achieved a reduced IgG4-RD responder index score and achieved radiological remission. Two patients with coronary peri-arteritis experienced clinical relapses during the maintenance period. Conclusions Cardiac involvement in IgG4-RD is rare and easily overlooked since many patients are asymptomatic, and the diagnosis relies on imaging. Patients showed a satisfactory response to glucocorticoid based treatment.

The immune checkpoint inhibitors (ICTs) emergence has opened up new perspectives in cancer immunotherapy. Nevertheless, serious, including life-threatening conditions caused by ICT cardiotoxic effects pose a number of obstacles to clinical specialists. The lack of knowledge about pathophysiology of cardiovascular adverse events in the treatment of ICT tumors is one of the reasons why oncological specialists seek help from cardiologists. Some works consider the mechanisms of individual complications development, but the number of works that would systematize and summarize descriptions of all the most significant ICT inhibitor therapy complications is small. In this regard, a literature review on the use of ICT inhibitors was conducted with a search in PubMed, Embase, Web of Science, e-L ibrary, Google Scholar. The purpose was to analyze the accumulated data on the mechanisms of ICT therapy complications development; Preference was given to systematic reviews, randomized clinical trials, which would be supplemented by separate cohort studies and descriptions of some experiments. Thus, it was determined that the ICT inhibitors cardiotoxicity can affect any part of the cardiovascular system, causing changes in both inflammatory and non-inflammatory etiology. Understanding their mechanisms increases the ability of specialists to form an effective treatment strategy while minimizing the risk of complications. Although a lot of theoretical, experimental and clinical empirical data on the side effects of this class of anticancer drugs have been accumulated in oncological practice, the ICT inhibitors cardiotoxicity is a problem requiring further research.

Remarkable advances have occurred in the understanding of the pathophysiology of pericardial diseases and the role of multimodality imaging in this field. Medical therapy and surgical options for pericardial diseases have also evolved substantially. Pericardiectomy is indicated for chronic or irreversible constrictive pericarditis, refractory recurrent pericarditis despite optimal medical therapy, or partial agenesis of the pericardium with a complication (eg, herniation). A multidisciplinary evaluation before pericardiectomy is essential for optimal patient outcomes. Overall, given the good outcomes reported, radical pericardiectomy on cardiopulmonary bypass, if feasible, is the preferred approach. Due to patient complexity, as well as the technical aspects of the surgery, pericardiectomy should be performed at high-volume centers that have the required expertise. The current review highlights the essential features of this multidisciplinary approach from diagnosis to recovery in patients undergoing pericardiectomy. • Advances in diagnostic imaging and in the medical and surgical treatment of pericardial diseases have improved risk stratification and patient selection for pericardiectomy. • When indicated, radical pericardiectomy on cardiopulmonary bypass is the preferred approach. • Outcomes for patients with pericardial disease can be enhanced through creation of centers of excellence with specialized medical and surgical expertise. [ABSTRACT FROM AUTHOR]