右心室線維症
Stine Andersen1, Jens Erik Nielsen-Kudsk1, Anton Vonk Noordegraaf2
1Aarhus University Hospital, Denmark (S.A., J.E.N.-K).
Circulation
|January 8, 2019
まとめ
肺高血圧 (PH) の右心室線維症には2つの役割があります.それはRVの拡張を防ぐ適応性であり,またRVの機能を損なう適応性であり,故障につながる可能性があります. 正確な影響を明らかにするためにさらなる研究が必要である.
科学分野:
- 心臓病科
- 肺医学
- 病理学について
背景:
- 右心室線維症は,肺高血圧 (PH) のRV不全の発生に関与しています.
- 細胞外マトリクスのコラーゲンネットワークは,圧力過負荷下でRVの膨張に影響を与える可能性があります.
- Idiopathic pulmonary arterial hypertension (IPAH) と慢性血栓塞栓性PH (CTEPH) は,RVに対する圧力過負荷効果を研究するためのモデルとして使用されます.
研究 の 目的:
- IPAHとCTEPHにおけるRV線維症の臨床的証拠をレビューする.
- RV繊維症とRV機能の関係を探求する.
- PH患者におけるRV線維症の臨床的意義について議論する.
主な方法:
- 臨床的証拠とPHにおけるRV線維症に関する実験データのレビュー
- RV繊維症とRV機能の相関分析
- RV繊維症の治療戦略と定量化技術の議論
主要な成果:
- RV繊維症は,IPAHとCTEPHの圧力過負荷RVで二重の役割を果たします.
- 心筋細胞の過剰伸縮を防止し,RVの形を維持するために適応反応として作用します.
- 硬直感を増加させ 心筋機能を乱します
結論:
- RV繊維症はPHの病理生理学において複雑で二重な役割を持っています.
- この役割を理解することは 標的治療の開発に不可欠です
- RV 線維症と RV 機能の因果関係を明らかにするには,改善された定量化技術が必要です.
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