JP2017511718A - Ardsを検出する方法及びardsを検出するためのシステム - Google Patents
Ardsを検出する方法及びardsを検出するためのシステム Download PDFInfo
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- 201000000028 adult respiratory distress syndrome Diseases 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 44
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims abstract description 104
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 208000013616 Respiratory Distress Syndrome Diseases 0.000 claims description 84
- LAIUFBWHERIJIH-UHFFFAOYSA-N 3-Methylheptane Chemical compound CCCCC(C)CC LAIUFBWHERIJIH-UHFFFAOYSA-N 0.000 claims description 38
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 36
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7275—Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A—HUMAN NECESSITIES
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
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- A—HUMAN NECESSITIES
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting tubes
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1045—Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
- G01N33/4975—Physical analysis of biological material of gaseous biological material, e.g. breath other than oxygen, carbon dioxide or alcohol, e.g. organic vapours
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
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- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
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- A61M2230/437—Composition of exhalation the anaesthetic agent concentration
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
Description
患者についてのARDSの指標を提供するためのシステムであって、
患者の呼気のガス試料を得るための試料採取装置と、
患者の呼気中のn‐オクタンの含有量を測定するための測定ユニットと、
患者についてのARDSの指標をもたらす患者の呼気中のn‐オクタンの含有量に基づき、患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを区別することができ、患者についてのARDSの指標に関する出力を提供するためのプロトコルを備えるコントローラと、
ARDSの指標をユーザに示すためのユーザインターフェースと、
を含む、システムも対象とする。
臨床試験では、人工呼吸を施された集中治療室の54人(ARDSの24人、ARDSではない30人)の患者が、図1に示されるシステムを用いた呼気分析の対象となった。ガスクロマトグラフィ質量分析法(GC‐MS)によって、吸着管内のn‐オクタンの含有量が分析された。図2に結果が提示される。この図では、ARDSを有しない患者の呼気中のn‐オクタンの存在量との比較において、ARDSを有する患者に関するn‐オクタンの存在量に、有意差が観察される。n‐オクタンの存在量は、電子イオン化を用いて様々な質量電荷比(m/z)のフラグメントを生成するGC‐MSの一部としての質量分析計によって測定される、m/z=114でのGC‐MSフラグメントの数で表現される。分類器モデルを構築してこれを内部検証することは、呼気分析を用いてn‐オクタンの存在量を監視することによって、ARDSを有しない患者からARDSを有する患者を区別し得ることを示している。これは図3によって示される。図3は、いわゆる受診者動作特性(ROC)を示す。図3は、3つのカーブを示し:
破線は、ARDS患者を区別する際にn‐オクタン(C8)に基づく、分類器の性能を表す(AUC:0.80(95%‐CI:0.71‐0.88))。
点線は、ARDS患者を区別する際にLIPSに基づく、分類器の性能を表す(AUC:0.78(95%‐CI:0.70‐0.87))。
実線は、ARDS患者を区別する際にn‐オクタン(C8)に基づき、LIPSによって検証される、分類器の性能を表す(AUC:0.91(95%‐CI:0.85‐0.97))。
Claims (19)
- 患者についての急性呼吸窮迫症候群(ARDS)の指標を提供するためのシステムであって、
患者の呼気のガス試料を得るための試料採取装置と、
患者の呼気中のn‐オクタンの含有量を測定するための測定ユニットと、
患者についてのARDSの前記指標をもたらす患者の呼気中のn‐オクタンの前記含有量に基づき、患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを区別することができ、患者についてのARDSの前記指標に関する出力を提供するためのプロトコルを備えるコントローラと、
ARDSの前記指標をユーザに示すためのユーザインターフェースと、
を含む、システム。 - アセトアルデヒド及び/又は3‐メチルヘプタンの含有量を測定するための測定ユニットと、患者の呼気中のn‐オクタンの前記含有量、並びにアセトアルデヒド及び/又は3‐メチルヘプタンの前記含有量に基づき、患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを区別することができるコントローラと、を含む、請求項1に記載のシステム。
- 前記試料採取装置は、吸着管及び/又はエアバッグを含む、請求項1又は2に記載のシステム。
- 前記試料採取装置及び前記測定ユニットは、呼気のオンライン測定を可能にする、請求項1乃至3の何れか一項に記載のシステム。
- 前記試料採取装置は、患者に人工呼吸を施すためのシステムの一部である人工呼吸器のホースから呼気を試料採取する装置である、請求項1乃至4の何れか一項に記載のシステム。
- 前記コントローラは更に、他の患者パラメータを利用する、請求項1乃至5の何れか一項に記載のシステム。
- 前記他の患者パラメータは、患者の肺障害予測スコアを含む、請求項6に記載のシステム。
- ガス試料を得るために患者の呼気の一部を試料採取するステップと、前記ガス試料中のn‐オクタンの含有量を測定するステップと、前記ガス試料中のn‐オクタンの前記含有量が所定の閾値を超えるかどうかを決定するステップと、を含む、方法。
- 前記閾値は、ARDSに関する予測となるように決定されている、請求項8に記載の方法。
- 前記閾値は、ガス試料を得るために試料採取する前記ステップ、及び前記ガス試料中のn‐オクタンの含有量を測定する前記ステップのために用いられる化学センサの感度と特異度とをバランスさせることによって決定されている、請求項8又は9に記載の方法。
- ガス試料を得るために患者の呼気の一部を試料採取するステップと、前記ガス試料中のn‐オクタンの含有量を測定するステップと、前記ガス試料中のn‐オクタンの測定された前記含有量を用いて、患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを決定するステップと、を含む、方法。
- アセトアルデヒド及び/又は3‐メチルヘプタンの含有量が測定され、
患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを決定するステップが、前記ガス試料中のn‐オクタンの測定された前記含有量、並びにアセトアルデヒド及び/又は3‐メチルヘプタンの測定された前記含有量を用いることによって実行される、請求項8乃至11の何れか一項に記載の方法。 - 患者の呼気の一部を試料採取する前記ステップは、吸着管及び/又はエアバッグを用いて実行される、請求項8乃至12の何れか一項に記載の方法。
- 試料採取する前記ステップ及び前記含有量の測定は、オンラインで実行される、請求項8乃至12の何れか一項に記載の方法。
- 患者は、人工呼吸を施された患者である、請求項8乃至14の何れか一項に記載の方法。
- 患者がARDSを有するか、又はARDSを発症する恐れがあるかどうかを決定するときに、n‐オクタンの測定された前記含有量の関連性を検証するために、他の患者パラメータが用いられる、請求項8乃至15の何れか一項に記載の方法。
- 前記他の患者パラメータは、患者の肺障害予測スコアを含む、請求項16に記載の方法。
- ARDSの診断における使用のための、n‐オクタン。
- 前記診断はインビボ診断である、請求項18に記載のARDSの診断における使用のためのn‐オクタン。
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Application Number | Priority Date | Filing Date | Title |
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EP14155767.8 | 2014-02-19 | ||
EP14155767 | 2014-02-19 | ||
PCT/EP2015/052806 WO2015124468A1 (en) | 2014-02-19 | 2015-02-11 | Method of detecting ards and systems for detecting ards |
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JP2017511718A true JP2017511718A (ja) | 2017-04-27 |
JP6571673B2 JP6571673B2 (ja) | 2019-09-04 |
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JP2016552556A Active JP6571673B2 (ja) | 2014-02-19 | 2015-02-11 | Ardsを検出する方法及びardsを検出するためのシステム |
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US (1) | US10321851B2 (ja) |
EP (1) | EP3107448B1 (ja) |
JP (1) | JP6571673B2 (ja) |
CN (1) | CN106061381B (ja) |
BR (1) | BR112016018896B1 (ja) |
MX (1) | MX2016010765A (ja) |
RU (1) | RU2016137333A (ja) |
WO (1) | WO2015124468A1 (ja) |
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JP7197369B2 (ja) | 2016-06-17 | 2022-12-27 | コーニンクレッカ フィリップス エヌ ヴェ | コンパクトなガス分析装置及び方法 |
CN110021384B (zh) * | 2017-10-23 | 2021-02-09 | 中国石油化工股份有限公司 | 一种用于预测汽油辛烷值的方法 |
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WO2000041623A1 (en) * | 1999-01-12 | 2000-07-20 | Michael Phillips | A breath test for the detection of various diseases |
US20020155166A1 (en) * | 1999-04-01 | 2002-10-24 | Yale University | Carbon monoxide as a biomarker and therapeutic agent |
WO2009098627A1 (en) * | 2008-02-07 | 2009-08-13 | Koninklijke Philips Electronics N.V. | Apparatus for measuring and predicting patients' respiratory stability |
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US10321851B2 (en) | 2019-06-18 |
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CN106061381A (zh) | 2016-10-26 |
RU2016137333A (ru) | 2018-03-26 |
WO2015124468A1 (en) | 2015-08-27 |
BR112016018896A2 (ja) | 2017-08-15 |
EP3107448B1 (en) | 2019-10-02 |
BR112016018896B1 (pt) | 2022-10-04 |
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US20160345859A1 (en) | 2016-12-01 |
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