Haruhiko Shiiya, Masaaki Sato, Aya Shinozaki-Ushiku, Chihiro Konoeda, Kentaro Kitano, Jun Nakajima
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Exacerbation of Secondary Pulmonary Hypertension by Flat Chest after Lung Transplantation.
A 40-year-old woman with idiopathic pleuroparenchymal fibroelastosis (IPPFE) and flat chest underwent left single lung transplantation (SLT). Although she had developed over-systemic pulmonary arterial pressure (PAP) at transplantation, it was alleviated. However, her PAP gradually increased again. Her transplanted lung was well-inflated, but progression of fibrosis in her right native lung appeared to have caused a mediastinal shift, and her flat chest caused obstruction of the outflow tract of the pulmonary vein. She died of heart failure and associated infection 1.5 years after transplantation. An autopsy confirmed irreversible pulmonary arterial and venous changes in the transplanted lung, suggestive of chronic pressure overload. The flat chest associated with IPPFE can affect pulmonary circulation after SLT.
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