JP2022514517A - 血液酸素化治療方法および装置 - Google Patents
血液酸素化治療方法および装置 Download PDFInfo
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Abstract
Description
低酸素血症の一般的な定義
換気血流比(V/Q)マッチング
低酸素血症の一般的な病因
1.低換気
2.拡散制限
3.吸気酸素(PiO2)の圧力低下20
4.生理学的シャント
5.異常な換気血流比(V/Q)
低酸素血症を治療するためのアプローチ
1.肺循環の減圧
2.トリガー圧力信号の低減
第二に、肺動脈圧の低下は、肺動脈の交感神経支配を妨害し、血管の血管収縮を逆転させ、弛緩および血管拡張をもたらす可能性がある。心拍出量と血管拡張が維持されている状況では、体積流量(つまり心拍出量)が血流速度に肺動脈の断面積を掛けたものに等しいため、血流速度が低下する。血流速度の低下の結果、赤血球は毛細血管でより多くの時間を費やす。すなわち、MTTが増加する。
3.流量制限
アプローチの有効性の監察
装置および方法
一般的なプロトコル
介入
シャント
A.シャントの位置
B.移植可能なシャント
C.移植不可能なシャント
除神経
制限
コンプライアンス
薬理学
電気刺激
間質液ドレナージ
実験結果
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Claims (20)
- 患者の低酸素血症を治療する方法であって、
前記患者のベースライン酸素測定値を確立するために、患者の血液の酸素測定を実施する工程と、
前記患者の血液中に存在する酸素を増加させるために、前記患者の本来の酸素化プロセスに侵襲的に介入する工程と、
前記介入後、前記患者の血液の介入後の酸素測定を実施する工程と、
前記介入の有効性を評価するために、前記介入後の酸素測定値を前記ベースライン酸素測定値と比較する工程と、を含むことを特徴とする方法。 - 前記介入が、以下の介入アプローチのうちの少なくとも1つを含む、請求項1に記載の方法:
肺循環の圧力低下、
肺動脈のトリガー圧力信号の減少、および
肺系統の流量制限。 - 前記介入が、以下の介入のうちの少なくとも1つを含む、請求項2に記載の方法:
前記肺循環のシャント、
前記肺動脈の前記トリガー圧力信号の除神経、
前記肺系統の1つまたは複数の血管内の流量制限、
前記肺循環へのコンプライアンスの導入、
前記患者への薬理学的物質の投与、
前記患者の心臓系を電気的に刺激、および
リンパ系の排出。 - 前記肺循環のシャントが、前記肺系統における血管の右から右へのシャントを含む、請求項3に記載の方法。
- 前記右から右へのシャントが、右肺動脈から上大静脈へのシャントフローを含む、請求項4に記載の方法。
- 前記除神経が、前記肺動脈のRFアブレーションを含む、請求項2に記載の方法。
- 前記流量制限は、流量制限要素を前記患者の前記主肺動脈に配置することを含む、請求項3に記載の方法。
- 前記コンプライアンスの導入が、ガスで満たされたバルーンを前記肺循環に配置することを含む、請求項3に記載の方法。
- 前記バルーンがSVC内に配置される、請求項8に記載の方法。
- 前記薬理学的物質の投与は、以下の薬物のうちの少なくとも1つを導入することを含む、請求項3に記載の方法:リオシグアト、ボセンタン、セレキシパグ、シルデナフィルおよびイロプロスト。
- 前記心臓系を電気的に刺激することは、右心室によって生成される圧力を低減するために心臓をペーシングすることを含む、請求項3に記載の方法。
- 前記リンパ系の排液は、前記リンパ系の間質腔を排液することを含む、請求項3に記載の方法。
- 前記介入のうちの2つ以上の組み合わせが実行される、請求項3に記載の方法。
- 前記介入後の酸素測定値と前記ベースライン酸素測定値との比較に基づいて、前記介入を繰り返すことをさらに含む、請求項1に記載の方法。
- 前記介在の反復は、標的酸素測定値が得られるまで繰り返される、請求項14に記載の方法。
- 患者の低酸素血症を治療するためのシステムであって、
前記患者の酸素レベルを測定するための装置と、
前記患者の本来の肺酸素化プロセスに侵襲的に介入するための装置と、
前記患者の前記本来の前記肺酸素化プロセスへの介入後の前記患者の前記酸素レベルを測定するための装置と、を含むことを特徴とするシステム。 - 前記本来の前記肺酸素化プロセスに介入するための前記装置が、以下の装置のうちの少なくとも1つである、請求項16に記載のシステム:シャント装置、除神経装置、制限装置、コンプライアンス装置、薬理学的物質、電気的心臓刺激装置、およびリンパ排液装置。
- 前記シャント装置が移植可能なシャントである、請求項17に記載のシステム。
- 前記シャント装置が、右から右へのシャント用に構成されている、請求項18に記載のシステム。
- 前記移植可能なシャントが、前記患者の右肺動脈および上大静脈に配置するように構成されている、請求項19に記載のシステム。
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US20210338240A1 (en) | 2021-11-04 |
US11096692B2 (en) | 2021-08-24 |
CN113692248A (zh) | 2021-11-23 |
CA3123011A1 (en) | 2020-06-18 |
EP3893755A4 (en) | 2023-01-25 |
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