Lung
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Tuberous sclerosis complex (TSC) is an autosomal-dominant neurocutaneous disease with high phenotypic variability. The incidence is approximately one in 5000-10,000 births. TSC is characterized by widespread hamartomas and benign or rarely malignant neoplasms affecting various organs, most commonly the brain, skin, retinas, kidneys, heart, and lungs. ⋯ MMPH is rare and may be associated with LAM or, less frequently, occurs as an isolated pulmonary manifestation in women with TSC. Dyspnea and pneumothorax are common clinical presentations of LAM, whereas MMPH is usually asymptomatic. The aim of this review is to describe the main clinical, imaging, and pathological aspects of TSC, with a focus on pulmonary involvement.
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Data on human leukocyte antigen (HLA) mismatching and survival after lung transplantation (LTx) are variable. ⋯ HLA mismatching is associated with increased hazard risk for death after LTx, while induction with basiliximab and other factors related to LTx reduce the risk.
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Observational Study
Where is Noninvasive Ventilation Actually Delivered for Acute Respiratory Failure?
Few studies have examined locations of noninvasive ventilation (NIV) application for acute respiratory failure (ARF). We aimed to track actual locations of NIV delivery and related outcomes. ⋯ Most NIV starts occurred in ICUs and EDs but utilization rate was highest (>50%) on general wards where a fifth of NIV starts took place. Actual location depended on etiology of ARF as patients with ACLD and APE were started more often in EDs and "de novo" ARF in ICU. NIV failure and mortality rates were higher in ICUs related to the greater proportion of patients with "de novo" ARF.
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Lung transplantation (LTX) is nowadays accepted as a treatment option for selected patients with end-stage pulmonary disease. Idiopathic pulmonary fibrosis (IPF) is characterized by the radiological and histologic appearance of usual interstitial pneumonia. It is associated with a poor prognosis, and LTX is considered an effective treatment to significantly modify the natural history of this disease. The aim of the present study was to analyse mortality during the waiting list in IPF patients at a single institution. ⋯ Patients newly diagnosed with IPF, especially in small to medium lung transplant volume centres and in Countries where a long waiting list is expected, should be immediately referred to transplantation, delay results in increased mortality. Early identification of IPF patients with a rapid progressive phenotype is strongly needed.
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Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is recognized as a preneoplastic condition by the World Health Organization. We reviewed our experience with 30 patients and performed a systematic review of the English literature to collect best evidence on the clinical features and disease course in 169 additional patients. Some patients presented with one or more carcinoid tumors associated with multiple small pulmonary nodules on imaging studies and showed DIPNECH as a somewhat unexpected pathologic finding. ⋯ A third subset was presented with previously unexplained respiratory symptoms. In most patients, DIPNECH was associated with a good prognosis, with chronological progression into a subsequent carcinoid tumor noted in only one patient and death attributed directly to DIPNECH in only two patients. There is no best evidence to support the use of octreotide, steroids, or bronchodilators in DIPNECH patients.