Comparison of Standard and Extended Dexamethasone Duration on Mortality in Patients with Severe COVID-19.

Objectives: Current guidelines recommend dexamethasone 6 mg/day for up to 10 days in patients with severe coronavirus disease 2019 (COVID-19) requiring supplemental oxygenation or mechanical ventilation. The practice has significant variation, however, and dexamethasone has been used for >10 days for many patients with severe COVID-19. The aim of this study was to assess the benefits and risks associated with standard versus extended use of dexamethasone in patients with severe COVID-19.

A Systematic Critical Appraisal of Clinical Practice Guidelines in Heart Failure Using the AGREE II Tool.

Multiple clinical practice guidelines (CPGs) for heart failure management have been published to provide the best practices regarding the use of foundational therapies to reduce morbidity and mortality in this patient population. However, a critical appraisal of these heart failure guidelines has not been performed. This systematic review aimed to assess the methodological quality of current CPGs in the management of patients with heart failure.

Infective Endocarditis Caused by Rhodococcus equi in an Immunocompetent Patient.

Rhodococcus equi (R. equi) is a rare zoonotic organism that is found in the feces of grazing animals and in farm soil. It typically causes pulmonary disease, but it can also cause extrapulmonary disease.

An uncommon cause of a continuous murmur.

Aneurysms of the sinus of Valsalva are rare congenital lesions. Less often, they are encountered secondary to trauma, infective endocarditis or syphilis. The majority of these aneurysms arise from the right coronary sinus.

Angioplasty alone versus angioplasty and stenting for subclavian artery stenosis--a systematic review and meta-analysis.

Subclavian artery stenosis has long been treated with great success with bypass surgery. Percutaneous intervention, often used in combination with stent placement, has come into vogue for the past few years as a safe and effective therapeutic modality. This study aimed to compare angioplasty alone with angioplasty followed by stent placement by combining available data.

Unusual presentation of Gerbode defect.

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