リアルタイムで患者のモニタリングを行うための光学センサーベースの自動尿流量計の開発と検証
Piyush Hota1,2,3,4, Adithya Shyamala Pandian2,3,4,5, Rodrigo E Domínguez3,4,6
1School for Engineering of Matter, Transport & Energy, Ira A. Fulton School of Engineering, Tempe, AZ 85287, USA.
Sensors (Basel, Switzerland)
|February 13, 2026
まとめ
私たちは,精密でリアルタイムで尿出力のモニタリングを行うための自動尿流量計"P-meter"を開発しました. この費用対効果の高い装置は,クレアチニン濃度が変化する前に尿出力を追跡することで,急性腎臓損傷 (AKI) の早期発見に役立ちます.
科学分野:
- バイオメディカルエンジニアリング
- ネフロロジーはネフロロジーを用います.
- 医療機器 医療機器について
背景:
- 急性腎損傷 (AKI) は,入院患者における一般的な合併症であり,血清クレアチニンの上昇が遅れたため,早期発見が困難である.
- 尿量の減少 (UO) は,AKIの初期指標ですが,手動モニタリングは信頼性が低く,労働密集的です.
研究 の 目的:
- 精密でリアルタイムな尿出力のモニタリングのための費用対効果の高い自動デバイスを開発し,検証する.
- 強化されたUOモニタリングを通じて,AKIの早期発見を改善する.
主な方法:
- 非接触光学センサー,環静電ポンプ,マイクロコントローラ自動化を使用したPメーターの開発.
- 3つのプロトタイプ (V1,V2,V3) の検証を,動物実験で285時間以上の,ゴールドスタンダード重力測定測定で検証.
- ミニチュライゼーション,流体動力学,センサーの位置づけに重点を置いた繰り返し改良.
主要な成果:
- 最適化されたV3 Pメータープロトタイプは高い精度を示した (R2 = 0.9889,平均誤差 -0.1 mL, 94.18%の合意).
- この装置は,以前のプロトタイプと比較して,精度,安定性,流れの精度が向上したことを示した.
- Pメーターは,既存の商用システムよりも低コストで正確なUOモニタリングを提供します.
結論:
- Pメーターは,リアルタイムで尿量をモニタリングするための信頼性があり,費用対効果の高いソリューションを提供します.
- この技術は,AKIの早期発見を促進し,患者のアウトカムを改善する可能性があります.
- 自動化されたUOモニタリングは,重症治療と腎臓学の重要な進歩を表しています.
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