Hasanat Sharif, Bushra Moiz, Fauzia Ahmad Bawany.
Transfusion related acute lung injury — TRALI: an under diagnosed entity.
J Pak Med Assoc Jan ;59(1):39-41.

Transfusion related acute lung injury (TRALI) is a life-threatening complication of transfusion of blood and its components resembling acute respiratory distress syndrome (ARDS) or acute lung injury (ALI). TRALI is a particular form of ARDS that follows blood transfusion and is caused by donor-derived antibodies present in the transfused products, reacting with the recipients` blood cells, inducing release of inflammatory mediators thus compromising lung functions. Anti-HLA antibodies are the most frequently indicted inducers in this category. Literature search has not revealed any documented case of TRALI from Pakistan. This in no way implies that TRALI is non existent in this part of the world but rather indicates that many clinicians may be unaware of the condition or may not recognize transfusion as the cause and like in other parts of the world, is almost certainly under-diagnosed. The lack of agreement on the definite cellular and molecular mechanisms underlying the development of TRALI renders the task of improving the safety of blood transfusion far more complex and potentially quite expensive. This review discusses the modern concepts of pathogenesis of TRALI along with its clinicopathological manifestations and management with the aim to improve awareness of our clinicians towards this dreadful and potentially fatal condition. (Review Article)

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