期刊
CIRCULATION JOURNAL
卷 68, 期 3, 页码 227-231出版社
JAPANESE CIRCULATION SOC
DOI: 10.1253/circj.68.227
关键词
epoprostenol; pulmonary hypertension; monocyte chemoattractant protein-1
Background Primary pulmonary hypertension (PPH) is a rare disease characterized by progressively increased resistance of the pulmonary arteries associated with vascular remodeling. Infiltration of inflammatory cells in affected vessels is a common pathological finding. Monocyte chemoattractant protein-1 (MCP-1) is recognized as a potent chemotactic and activating factor for monocytes and leukocytes, but its significance in PPH is unclear. Methods and Results Serum MCP-1 concentrations were measured in 16 PPH patients and the results were compared with those in 16 normal controls. MCP-1 concentrations in PPH patients (265.6+/-29.5 pg/ml) were significantly elevated compared with those in normal controls (119.6+/-6.9pg/ml, p<0.0001). In 9 patients (3 men, 6 women; mean age, 29+/- 3 years), repeated MCP-1 and hemodynamic measurements were performed prior to and during intravenous epoprostenol therapy. During a mean follow-up period of 7+/-1 months, MCP-1 concentrations were significantly reduced (288.8+/-122.8 to 185.9+/-117.5 pg/ml, p<0.0 1). Conclusion Circulating MCP-1 concentrations are increased in PPH patients, but can alleviated by chronic intravenous epoprostenol therapy. The increase in MCP-1 might be one of the important factors responsible for the disease development inpatients with PPH.
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