急性および慢性冠動脈疾患における風船血管形成術
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minn 55905.
JAMA
|April 14, 1989
まとめ
皮膚経光冠動脈血管形成術 (PTCA) は,冠動脈疾患において広く用いられている手技である. 理想的なケースでは成功しているものの,結果は疾患の重症度によって異なりますし,リステノスや外科手術との比較などの課題は重要な研究分野であり続けています.
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
- 血管医学 血管医学とは
背景:
- 皮膚経光冠動脈血管新生手術 (PTCA) は著しい成長を遂げ,様々な冠動脈疾患に適応しています.
- 選択基準には,単血管性疾患,多血管性疾患,安定した/不安定な胸痛,急性心筋梗塞が含まれます.
研究 の 目的:
- 皮膚経由冠動脈血管形成術における現在の状況,結果,未解決の問題を検討する.
- PTCAの成功率に対する患者および血管学的要因の影響を評価する.
主な方法:
- 皮膚経由のトランスルミナル冠動脈血管形成術に関する既存の文献と臨床データのレビュー.
- 病変の複雑性と患者の特徴に基づいて,成功率と合併症プロフィールの分析.
主要な成果:
- 低罹病率/死亡率で高い成功率 (>90%) が理想的な病変で達成可能である.
- 結果は重症で拡散した多血管性疾患ではあまり好ましくありませんが,PTCAは緩和治療または完全な再血管化のための有効な選択肢です.
- レステノシスは,治療された病変の約30%に影響します.
結論:
- PTCAは冠動脈疾患の効果的な治療法であり,結果は病変と患者の要因に依存します.
- 重要な未解決の問題は,PTCAの比較効果と冠動脈バイパス移植手術の比較効果,再発症率,標準化されたトレーニングと認定の必要性などです.
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