メディケア手数料対サービスのメディケア・アドバンテージの受給者の間で心血管疾患の手順の使用における地理的な変動
Daniel D Matlock1, Peter W Groeneveld, Steve Sidney
1Division of General Internal Medicine, University of Colorado Denver School of Medicine, Aurora, CO 80045, USA. daniel.matlock@ucdenver.edu
JAMA
|July 11, 2013
まとめ
メディケア・アドバンテージの受給者は,メディケア・フィー・フォー・サービス (FFS) の患者と比較して,血管図と皮膚貫通性冠動脈干渉 (PCI) の割合が低かったが,処置の使用における地理的差異は実質的であり,両方の支払いモデルにおいて類似していた.
科学分野:
- 心血管医学 心血管医学
- 医療サービス 研究 医療サービス
- 健康経済学 医療経済学
背景:
- メディケア・アドバンテージ (MA) とメディケア・フィー・フォー・サービス (FFS) の補償構造は異なるため,心臓血管手術の利用に影響を与える可能性があります.
- これらの違いを理解することは,公正な医療の提供と資源の配分に不可欠です.
研究 の 目的:
- MAとMedicare FFSの受給者の間で地域的な心血管手術率を比較するために.
- 心血管疾患の処置の使用に対する財政的インセンティブの影響を調査する.
主な方法:
- 横断的な研究では,2003年から2007年の間に65歳以上のメディケア受給者を分析した.
- 冠動脈動脈撮影,皮膚経冠動脈介入 (PCI),冠動脈バイパス移植 (CABG) の割合は,12州の32の病院紹介地域で比較されました.
- データには878,339人のMA患者と5,013,650人のMedicare FFS患者が含まれていました.
主要な成果:
- MA受給者は,FFS受給者と比較して,アンジオグラフィー (16.5対25.9/1000人年) とPCI (6.8対9.8/1000人年) の年齢,性別,人種,および所得調整比率が低かった (P < .001 両方).
- CABG手術の割合は,MAとFFSの受益者間で類似していました (1000人年あたり3.1対3.4;P = .33).
- MAとFFSの両方の集団において,手術の頻度における重要な地理的変動が観察され,血管図,PCI,またはCABGの領域間のMAとFFSの利用との間に強い相関は認められませんでした.
結論:
- FFSと比較してMAにおける血管図とPCIの割合が低いにもかかわらず,メディケアの両方のプログラムにおいて,手続きの割合における実質的で類似した地理的変動が存在します.
- この調査結果は,Medicareの支払いモデルに関係なく,心血管疾患のケア提供における地域格差が大きいことを示しています.
- これらの地理的変動の原動力とその臨床的影響を理解するために,さらなる研究が必要です.
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