La Revue du praticien
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La Revue du praticien · Sep 2014
Review[Ebola hemorrhagic fever: its extension reflects the African sanitary disaster].
Ebola virus, described in 1976 in Zaire, causes severe hemorrhagic fever with a high mortality rate in humans and nonhuman primates. Epidemics occurred since this time to nowadays in Sudan, Gabon, Congo and currently in Guinea, Liberia, Sierra-Leone, Nigeria and Senegal. Specific treatment and vaccine are not available. So, to prevent the virus transmission with live and dead patients, we must use strict individual and collective measures which are not always understood by local populations and make contact tracing; it is the only way to curb the epidemic.
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Idiopathic interstitial pneumonias represent approximately 30% of all interstitial lung diseases. The new classification of idiopathic interstitial pneumonias published in 2013 distinguishes 6 major entities, including chronic fibrosing forms (idiopathic pulmonary fibrosis and nonspecific interstitial pneumonia), acute/subacute forms (cryptogenic organizing pneumonia and acute interstitial pneumonia) and smoking-related disorders (respiratory bronchiolitis interstitial lung disease and desquamative interstitial pneumonia). Pleuroparenchymal fibroelastosis is individualized as a new rare clinco-pathologic entity. For cases not fitting any specific clinic- pathological category, a pragmatic classification based on disease behavior is proposed.
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After immunosuppressive-induced infections, interstitial lung disease (ILD) is one of the most serious pulmonary complications associated with connective tissue diseases (CTD). Although it is common for ILD to be diagnosed concurrent with or after CTD, some patients will present with ILD years prior to receiving a diagnosis of CTD. ⋯ The management of patients with CTD-associated ILD is optimized by multidisciplinary collaboration. ILD-CTD are treated through anti-inflammatory medication, immunosuppressants and biological agents.
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Drug-induced infiltrative lung disease may manifest as variable clinical radiological patterns, including subacute or chronic interstitial pneumonia, pulmonary fibrosis, eosinophilic pneumonia, organising pneumonia, pulmonary edema, or sarcoidosis. A large amount of drugs have been incriminated, including those used in cardiovascular diseases (amiodarone, statins and angiotensin converting enzyme inhibitors), antibiotics (minocycline, nitrofurantoin), most of anticancer drugs (and especially chemotherapy and chest radiation), treatment of rheumatoid arthritis, as well as more recent drugs. ⋯ The following steps are necessary: history and timing of drug exposure, clinical and imaging pattern, exclusion of other causes of infiltrative lung disease, improvement following drug discontinuation. Rechallenge, dangerous, is not recommended.