フレームカウントのリザーブ数です
Martin G Stoel1, Felix Zijlstra, Cees A Visser
1Hospital of the Free University, Department of Cardiology, Amsterdam, The Netherlands. mg.stoel@vumc.nl
Circulation
|June 11, 2003
まとめ
TIMIのフレームカウントリザーブ (FCR) は,冠動脈の流れ速度リザーブ (CVR) を推定することができます. この血管図法では,冠動脈狭窄の有意性をキャセテリゼーション研究室で評価するための貴重な代替手段を提供します.
科学分野:
- 心臓病学 心臓病学
- 介入性心臓病学 介入性心臓病学
- 診断用イメージング
背景:
- 冠動脈流動速度準備 (CVR) は冠動脈狭窄を評価しますが,介入心臓科医を必要とします.
- カテーテリゼーションラボでの日常的な使用には,代替の血管図法が必要である.
研究 の 目的:
- TIMIのフレームカウントリザーブ (FCR) とCVRとの関係を調査する.
- FCRがCVRの血管学的代理として機能できるかどうかを判断する.
主な方法:
- 38人の患者でLADとLCxの相対FCRとCVRを計算した.
- 計測された容器長と計算されたフレームカウントの流れ速度.
- FCRとCVRを比較し,相対FCRとCVRを比較した.
主要な成果:
- FCRとCVR (r=0.62) と相対FCRと相対CVR (r=0.84) の間には強い相関が見られた.
- LADとLCxの間の平均FRCとCVRの有意な差異はありません.
- 船舶の長さとTIMIフレームカウントはLADとLCxの間で著しく異なっていたが,フロー速度と体積フローの推定値はそうではなかった.
結論:
- 相対的なフレームカウントリザーブ (FCR) は,相対的な冠動脈流速リザーブ (CVR) を効果的に推定することができます.
- FCRは,冠動脈狭窄症の有意性を評価するための有効な血管検査の代替手段を提供します.
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