{"id":104116,"date":"2025-05-21T11:23:47","date_gmt":"2025-05-21T04:23:47","guid":{"rendered":"https:\/\/impe-qn.greensoft.vn\/news-events\/lofflers-syndrome-and-its-implications-for-respiratory-parasitic-infections\/"},"modified":"2025-05-21T11:23:47","modified_gmt":"2025-05-21T04:23:47","slug":"lofflers-syndrome-and-its-implications-for-respiratory-parasitic-infections","status":"publish","type":"post","link":"https:\/\/impe-qn.greensoft.vn\/en\/lofflers-syndrome-and-its-implications-for-respiratory-parasitic-infections\/","title":{"rendered":"Löffler’s syndrome and its implications for respiratory parasitic infections\n"},"content":{"rendered":"

Löffler syndrome is a respiratory disease associated with eosinophilia and a shadow on X‐ray. It was first described by Löffler in 1932. In 1952, Crofton summarized Löffler syndrome as one of five categories of diseases that cause eosinophilic infiltration of the lungs. <\/strong><\/p>

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INTRODUCE<\/strong><\/span><\/span><\/h2>

Löffler syndrome is a respiratory disease associated with eosinophilia and a shadow on X‐ray. It was first described by Löffler in 1932. In 1952, Crofton summarized Löffler syndrome as one of five categories of diseases that cause eosinophilic infiltration of the lungs. <\/span><\/span><\/h2>

At the same time, medical literature has also mentioned h<\/span><\/span>Loeffler’s syndrome is a transient respiratory illness associated with eosinophilia and radiographic opacities that Crofton et al proposed to classify as one of the five main types of eosinophilic pneumonias based on basic clinical criteria: <\/span> <\/h2>

[1] Isolated eosinophilic pneumonia or Loeffler’s syndrome, transient infiltrates; <\/span><\/h2>

[2] Persistent eosinophilic pneumonia, or recurrent non‐asthmatic infiltrates;<\/span><\/h2>

[3] Pneumonia with increased eosinophilia and asthma, infiltrates and asthma; <\/span><\/h2>

[4] Tropical eosinophilic pneumonia, often accompanied by asthmatic syndrome; <\/span><\/h2>

[5] Polyarteritis nodosa. <\/span><\/h2>

This disease is characterized by some opacities in the lung parenchyma associated with increased eosinophils in the peripheral blood or in the lung tissue due to infiltration.<\/span><\/h2>
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Figure 1. Loeffler syndrome is described in the literature as a transient eosinophilic pneumonia |Source: <\/span><\/span>Löffler syndrome ‐ LITFL ‐ Medical Eponym Library<\/span><\/a><\/span><\/p>

REASON<\/span><\/b><\/span><\/p>

The original description of Löffler’s syndrome listed infection with the roundworm A. lumbricoides<\/i> as the most common cause. However, other parasitic infections and acute drug hypersensitivity reactions have also been implicated as etiologies of pulmonary eosinophilia. <\/span><\/span><\/h2>

Loeffler’s syndrome can be an acute, often self‐limiting pneumonia associated with eosinophil proliferation in the lungs. It is also commonly caused by allergic reactions to agents such as parasites, molds, or other allergens. <\/span><\/span><\/h2>