Thorax
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The diagnostic value of 73 bronchoalveolar lavages was assessed in 67 immunocompromised children (aged 3 months to 16 years) with pulmonary infiltrates. Thirty one children had primary and 19 secondary immune deficiency, 14 acquired immunodeficiency syndrome (AIDS), and three AIDS related complex. Bronchoalveolar lavage was performed during fibreoptic bronchoscopy, under local anaesthesia in all but two. ⋯ Transient exacerbation of tachypnoea was observed in the most severely ill children but there was no case of respiratory decompensation attributable to the bronchoscopy. Bronchoalveolar lavage is a safe and rapid examination for the investigation of pulmonary infiltrates in immunocompromised children. It should be performed as a first line investigation and should reduce the use of open lung biopsy techniques.