男子确诊“羽绒肺”，致呼吸衰竭，医生提醒：冬季穿羽绒要注意

Core Viewpoint - A man in Fujian developed allergic pneumonia after wearing a damaged down jacket for over 12 hours daily for four weeks, highlighting the health risks associated with low-quality clothing and the inhalation of micro-proteins from down feathers [1][3]. Group 1: Health Risks - The man was diagnosed with allergic pneumonia after his blood oxygen saturation dropped to 85% and he experienced respiratory failure [3]. - The condition was caused by inhaling micro-proteins from the down feathers, which can trigger immune responses even in non-allergic individuals [3][4]. - Allergic pneumonia is linked to repeated inhalation of organic dust or chemical substances, influenced by genetic susceptibility and exposure levels [4]. Group 2: Common Triggers - Common triggers for allergic pneumonia include microbial factors, such as exposure to fungi in specific occupations, and environmental conditions like air conditioning and humidifiers [4]. - Other triggers include inhalation of fine particles from animal proteins, bird droppings, and certain chemicals found in paints and plastics [4]. - Specific occupational exposures, such as coffee dust or soy shell dust, are also noted as potential causes [4]. Group 3: Prevention and Recommendations - The primary preventive measure for diagnosed patients is to avoid allergens and repeated exposure [4]. - It is advised to choose high-quality down jackets that do not shed feathers and to maintain cleanliness in living environments [5]. - Individuals with known airway sensitivities should avoid known allergens and maintain clean air conditioning systems and humidifiers [5].