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Transfusion-related acute lung injury

Authors
Journal
Asian Journal of Transfusion Science
0973-6247
Publisher
Medknow Publications
Publication Date
Volume
4
Issue
2
Identifiers
DOI: 10.4103/0973-6247.67019
Keywords
  • Letters To The Editor
Disciplines
  • Chemistry
  • Communication
  • Medicine

Abstract

Sir, Transfusion-related acute lung injury (TRALI) is an uncommon, probably underrecognized complication of transfusion of plasma-containing blood components, which is characterized by acute respiratory distress. It is a clinical diagnosis and may be diagnosed when acute lung injury (ALI) occurs during or within six hours of transfusion in a patient without pre-existing ALI, in the absence of temporally related alternative risk factors for ALI (e.g., sepsis, shock, cardiac failure, etc.).[1] This communication discusses a case of TRALI in a middle-aged woman. A 52-year-old female patient with a diagnosis of inoperable carcinoma of the uterine cervix, received whole blood transfusion, in view of severe anemia. Before blood transfusion, she was alert, oriented, with no cardiorespiratory abnormality on clinicoradiological evaluation. Her vital parameters were normal and total leukocyte count was 8700/mm3 with normal blood biochemistry. After receiving approximately 200 ml of blood for over two hours, she complained of breathlessness, which progressively increased over the next 20 minutes. On examination she was febrile, tachypneic (respiratory rate 32/minute), slightly cyanotic, with a pulse rate of 120/minute, blood pressure 90/60 mmHg, and SpO2 68%. The jugular venous pressure (JVP) was normal and chest auscultation revealed bilateral basal fine inspiratory crackles with normal breath sounds. Sinus tachycardia was noted on an electrocardiogram (ECG). An urgent X-ray chest showed bilateral patchy infiltrates in the mid- and lower zones with normal heart size, suggestive of noncardiogenic pulmonary edema. Echocardiography also ruled out cardiogenic dysfunction. Hematological investigations at this stage showed a total leukocyte count of 3200/mm3, with no evidence of any hemolytic process. In the absence of other mechanisms to explain ALI, a diagnosis of TRALI was made. The blood transfusion was stopped immediately and she was managed with oxygen therapy and intravenous fluids that resulted in a grad

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