【摘要】 目的 :探讨突发性致死性哮喘SFA的临床特点及其危险因素。方法 :对哮喘患者 2 96例中的突发性致死性哮喘 39例 ,进行了回顾性分析。结果 :2 96例哮喘患者中突发性致死性哮喘占 1.3%。主要危险因素接触大量致敏原为主 ,其他依次为PEF变异率 >30 % ,夜间呼吸困难 ,呼吸道感染等危险因素。结论 :SFA作为支气管哮喘的一种特殊临床类型 ,其主要特点是突然起病、病情迅速恶化、治疗后病情迅速缓解 ,易被误诊。应加强对SFA特点 ,危险因素 ,治疗与监测方法的认识更多还原

【Abstract】 Objective: To study the clinical characteristic and Risk factor in sudden-onset fatal asthma(SFA). Method: 39 With SFA patients from 296 asthmatic patients were retrospectively analyzed. Results: SFA accounted for 1.3 percent of all asthmatic patients. Major risk factors were mass allergen, PEF variation rate >30%, dyspnoea at night, respiratory tract affection, and so on. Conclusion: SFA is a special clinical type in asthma. Its chief clinical characteristics are suddenly attack, quick deterioration, quick relief after cure, and easily misdiagnosed. As a results, It is important to recognize its clinical characteristics,risk factors,therapy and Monitoring Method in SFA.更多还原