Abstract
The patient described here is a 21-year-old Japanese woman with primary Sjögren’s syndrome (pSS) presenting with worsening of dyspnea, palpitation, recurrent parotitis, and arthritis. Chest computed tomography showed diffuse interlobular septal thickening and ground-glass opacities. Right heart catheterization demonstrated pulmonary hypertension, right-sided heart failure, normal pulmonary capillary wedge pressure, and no evidence of arterio-venous shunt. Transbronchial lung biopsy showed luminal obliteration of pulmonary venules by intimal cellular proliferations, without abnormalities in the small pulmonary arteries. These findings were consistent with pulmonary veno-occlusive disease (PVOD). Immunosuppressive therapy, starting with prednisolone 20 mg/day and subsequently combined with azathioprine, resulted in the disappearance of the signs and symptoms, including exertional dyspnea and abnormal pulmonary parenchymal shadows on computed tomography, and the normalization of pulmonary artery pressure. So far, there have been no reported cases of PVOD associated with pSS. Of interest, immunosuppressive therapy without vasodilator therapy almost completely resolved the pulmonary hypertension in this patient.
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Acknowledgments
Special thanks to Dr. Shigeki Shimizu, Laboratory of Pathology, Toyama University Hospital, Toyama, Japan; and Dr. Yoshinori Kawabata, Division of Pathology, Saitama Cardiovascular Respiratory Centre, Kumagaya, Saitama, Japan, for the thoughtful discussion about the pathological diagnosis of this patient.
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Naniwa, T., Takeda, Y. Long-term remission of pulmonary veno-occlusive disease associated with primary Sjögren’s syndrome following immunosuppressive therapy. Mod Rheumatol 21, 637–640 (2011). https://doi.org/10.1007/s10165-011-0440-9
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DOI: https://doi.org/10.1007/s10165-011-0440-9