高齢者におけるミトラル反吐の外科的矯正:結果と最近の改善
Delphine Detaint1, Thoralf M Sundt, Vuyisile T Nkomo
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, Minnesota 55905, USA.
Circulation
|July 19, 2006
まとめ
ミトラル反発症 (MR) の高齢患者は,より高い手術リスクに直面しますが,若い患者と比較して手術後に同様の寿命回復を達成します. 最近の外科的進歩は,高齢者に著しく恩恵を与え,高齢者のMR手術を慎重に検討することを示唆しています.
科学分野:
- 心血管外科手術についてです.
- ゲリアトリック・カルディオロジー
- 心臓弁の病気 弁の病気
背景:
- 高齢者におけるミトラル吐 (MR) は一般的であり,多くの場合,高い手術リスクと不確実な治療効果と関連しています.
- 進行症状や併発症を含む手術前の症状は,MR手術を受けた高齢の患者でより重症である.
研究 の 目的:
- 年配の患者におけるミトラルリグルジテーション手術の結果を,若いコホートと比較して分析する.
- MR手術を受ける異なる年齢層に対する外科改善の影響を評価する.
主な方法:
- ベースラインの特徴,手術結果,および長期生存率の比較分析.
- 予想される生存期間を調整した多変量分析で,平均寿命の回復を比較した.
- 術後の死亡率,合併症,および弁の修復率における時間的傾向の検討.
主要な成果:
- 高齢の患者 (>または=75歳) は,より重篤な術前状態でしたが,若いグループと比較して,長期的な平均寿命の回復は同様でした.
- 手術後の死亡率は,すべての年齢層において著しく低下し,高齢者の場合は大幅な改善が見られた.
- バルブ修理の可行性は,特に退行性MRの場合は,時間の経過とともに劇的に増加し,すべての年齢層に利益をもたらしました.
結論:
- 初期リスクが高いにもかかわらず,高齢の患者は,ミトラルリグルジテーション手術後の寿命回復に匹敵する回復を経験します.
- 最近の外科的進歩により,MR手術を受ける高齢の患者の治療結果が著しく改善され,リスクが軽減されています.
- 高齢の患者では,耐性心不全が発症する前に,ミトラルリグルジテーション手術を慎重に検討する必要があります.
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