JP7547522B2 - 腎機能を決定するための方法 - Google Patents
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- JP7547522B2 JP7547522B2 JP2023012922A JP2023012922A JP7547522B2 JP 7547522 B2 JP7547522 B2 JP 7547522B2 JP 2023012922 A JP2023012922 A JP 2023012922A JP 2023012922 A JP2023012922 A JP 2023012922A JP 7547522 B2 JP7547522 B2 JP 7547522B2
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Description
Claims (6)
- 患者の血管系に送達され得る第1のトレーサー剤のボーラスを用いて前記患者の腎機能を決定するための方法であって、
前記第1のトレーサー剤は、健康な腎機能によって少なくとも実質的に除去されて、第1の励起波長における第1の励起光による励起に応答して第1の発光波長で第1の蛍光を放出するものであり、
前記方法は、
前記第1のトレーサー剤が前記第1の蛍光を放出するように、鼓膜を含む第1の粘膜監視部位の第1の粘膜励起部位で表在血管系の前記第1のトレーサー剤を励起して、前記第1の粘膜監視部位で前記患者の表在血管系に前記第1の励起光を経粘膜的に当てることと、
前記第1の粘膜監視部位の第1の粘膜検出部位で前記第1のトレーサー剤から放出された前記第1の蛍光を経粘膜的に受光することであって、かつ、前記第1の粘膜検出部位が、前記第1の粘膜監視部位によって取り囲まれた第1の粘膜血管内の血液の流れ方向に従って、前記第1の粘膜励起部位の下流に配置されることと、
前記第1の蛍光の第1の蛍光発光を表す第1の蛍光信号を生成すべく、前記受光した第1の蛍光を変換することと、
前記第1の蛍光の第1の減衰率を決定すべく第1の蛍光信号を処理することと、
前記患者の糸球体濾過率を決定すべく、前記第1の蛍光の前記第1の減衰率を処理することと、を備える方法。 - 前記第1の蛍光信号の第1の減衰率を決定するために前記第1の蛍光信号を処理することは、10分以下の期間にわたって前記第1の蛍光信号を処理することを含む、請求項1に記載の方法。
- 前記第1の蛍光信号を時間の関数として記録することをさらに備える請求項1に記載の方法。
- 患者の血管系に送達され得る第1のトレーサー剤のボーラスを用いて前記患者の腎機能を決定するための方法であって、
前記第1のトレーサー剤は、健康な腎機能によって少なくとも実質的に除去されて、第1の励起波長における第1の励起光による励起に応答して第1の発光波長で第1の蛍光を放出するものであり、
前記方法は、
前記第1のトレーサー剤が前記第1の蛍光を放出するように、第1の粘膜監視部位で表在血管系の前記第1のトレーサー剤を励起して、前記第1の粘膜監視部位で前記患者の表在血管系に前記第1の励起光を経粘膜的に当てることと、
前記第1の粘膜監視部位で前記第1のトレーサー剤から放出された前記第1の蛍光を経粘膜的に受光することと、
前記第1の蛍光の第1の蛍光発光を表す第1の蛍光信号を生成すべく、前記受光した第1の蛍光を変換することと、
前記第1の蛍光の第1の減衰率を決定すべく第1の蛍光信号を処理することと、
前記患者の糸球体濾過率を決定すべく、前記第1の蛍光の前記第1の減衰率を処理することと、を備え、
前記第1の励起光を経粘膜的に当てることは、前記患者の舌小帯の両側面で前記第1の励起光を経粘膜的に当てることを含み、
前記第1の蛍光を受光することは、前記患者の舌小帯の両側面で前記第1の蛍光を経粘膜的に受光することを含む、方法。 - 前記舌小帯の両側面に前記第1の励起光を当てることは、前記舌小帯の各側面の複数の離間した位置に前記第1の励起光を当てることを含む、請求項4に記載の方法。
- 前記舌小帯の両側面で前記第1の蛍光を受光することは、前記舌小帯の各側面の複数の離間した位置から前記第1の蛍光を受光することを含む、請求項5に記載の方法。
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