PMC8441063_01
Imaging findings upon admission to our intensive care unit. (a) Computed tomography revealed diffuse consolidation and atelectasis due to diffuse alveolar hemorrhage affecting both lungs. (b) Bronchoscopy of the carina showing diffuse hemoptysis. (c) Bronchoscopy of the right upper bronchus showing an ulcer and hemoptysis.
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Therefore, the patient was transferred to the ICU at our hospital with a suspected diagnosis of new-onset DAH with AAV (Fig. 1).
Clinical course. CRP = C-reactive protein; mPSL = methylprednisolone; PSL = prednisolone; PR3 = anti-proteinase-3; VV-ECMO = venovenous extracorporeal membrane oxygenation.
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Additionally, 500 mg of cyclophosphamide was infused on day 6 (Fig. 2). After starting VV-ECMO support, oxygen partial pressure was maintained more than 150 mmHg by VV-ECMO with 100% oxygen gas and 3.5-4.0 L/min flow.