Chest
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Case Reports
Benralizumab for Prednisone-Dependent Eosinophilic Asthma Associated With Novel STAT3 Loss of Function Mutation.
Some severe asthmatic patients experience frequent bacterial respiratory tract infections, which contribute significantly to their disease burden, and often are attributed to their use of systemic corticosteroids and comorbid bronchiectasis. We report a case of a 58-year-old woman who had prednisone-dependent asthma and exacerbations with intense mixed eosinophilic and neutrophilic bronchitis. Autosomal dominant hyper-IgE syndrome, which is a primary immunodeficiency characterized by elevated IgE, eosinophilia, and recurrent infections, caused by a novel pathogenic mutation in STAT3 was identified as the cause of her airway disease. We believe that this is the first report of the demonstration of an IL-5 driven eosinophilia that is associated with a STAT3 mutation that was treated successfully with an anti-IL5 biological.
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Case Reports
RESEARCH LETTER: Pulmonary function and risk of Alzheimer dementia: two-sample Mendelian randomization study.
A 38-year-old African American woman with a history of menometrorrhagia on previous estrogen therapy and a previously biopsied benign thyroid nodule with recent interval enlargement presented with symptoms of shortness of breath on exertion, an intermittent nonproductive cough, and right upper quadrant abdominal pain for 1 year. She denied wheezing, hemoptysis, fevers, night sweats, or unintentional weight loss. Socially, the patient was a lifelong nonsmoker and denied alcohol or drug use. ⋯ Recent cancer screening that included Papanicolaou smear and mammography were negative for neoplasia. Vital signs were normal, and ambulatory pulse oximetry did not demonstrate evidence of oxygen desaturation. Physical examination demonstrated normal respiratory effort, diffuse vesicular breath sounds, and a soft abdomen without hepatomegaly or right upper quadrant tenderness.
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Case Reports
A Case Report of Portopulmonary Hypertension Precipitated by Transjugular Intrahepatic Portosystemic Shunt.
We report here a case of portopulmonary hypertension following transjugular intrahepatic portosystemic shunt.
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A 44-year-old man presented to the ED with acute massive hemoptysis and hypoxia. His history was notable for 1 year of progressively worsening shortness of breath at both rest and with exertion. He denied chest discomfort and endorsed near syncope while driving in recent months. He recently had been treated with antibiotics for two episodes of presumed pneumonia, based on right lower lobe opacification on chest radiography.
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A 51-year-old woman with a history of diabetes mellitus and anemia sought treatment at the emergency room for a 2-month history of dry cough and shortness of breath and a 1-week history of substernal chest tightness. One month before her presentation, she was seen at a separate hospital for dyspnea and was found to be anemic. She underwent chest radiography and CT scanning of the chest that was unrevealing to the cause of dyspnea. ⋯ Medications included an oral diabetic medication. She had no significant family history. She never smoked and had no history of illicit drug or alcohol use.