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Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
慢性腎疾患患者のビタミンD療法と心臓の構造と機能:PRIMOランダム化対照試験
Ravi Thadhani1, Evan Appelbaum, Yili Pritchett
1Division of Nephrology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA. thadhani.r@mgh.harvard.edu
JAMA
|February 17, 2012
まとめ
活性ビタミンD化合物であるパリカルシトールは,慢性腎臓病患者の左心室質量を48週間にわたって減少させなかった. また,この研究では,高カルセミアのリスクが増加した,下静脈機能不全の改善も認められませんでした.
科学分野:
- ネフロロジーはネフロロジーを用います.
- 心臓病学 心臓病学
- エンドクリノロジー エンドクリノロジー
背景:
- 心血管健康におけるビタミンDの潜在的な役割は示唆されているが,確固たる証拠がない.
- 慢性腎臓病 (CKD) の患者は,しばしば心血管系の合併症を発症します.
- 左心室縮症 (LVH) は,CKDにおいて一般的であり,不良の結果と関連しています.
研究 の 目的:
- CKD患者における左心室質量に対するパリカルシトールの効果を調査する.
- パリカルシトールが,この集団におけるダイアストリック機能に与える影響を評価する.
- ハイパーカルセミアリスクを含む安全性を評価する.
主な方法:
- 227人のCKD患者を含む多国籍,ダブルブラインド,ランダム化,プラセボ対照試験です.
- 参加者は48週間の間,経口パリカルシトール (2μg/d) またはプラセボを投与された.
- 左心室質量指数は,心血管磁気共鳴画像を用いて測定され,静脈動脈機能はエコーカルディオグラフィで評価された.
主要な成果:
- パリカルシトールは副甲状腺ホルモンのレベルを効果的に低下させましたが,プラセボと比較して左心室質量指数は有意に変化しませんでした.
- 群間のダイアストリック機能のドップラー測定では,有意な差異は観察されなかった.
- 高カルセミアのエピソードは,パリカルシトール群でより頻繁でした.
結論:
- 48週間のパリカルシトール治療は,CKD患者の左心室質量指数に変化をもたらさなかった.
- パリカルシトールは,この研究集団における腹動力機能不全の測定値を改善しませんでした.
- この発見は,CKDにおける心臓リモデリングにおけるパリカルシトールの効果が限られていることを示唆し,高カルセミアリスクの有意な増加を指摘した.
関連する概念動画
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