JP5553447B2 - 敗血症あるいは敗血性ショックを処置するために血管内冷却を使用する治療的低体温システム - Google Patents
敗血症あるいは敗血性ショックを処置するために血管内冷却を使用する治療的低体温システム Download PDFInfo
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- JP5553447B2 JP5553447B2 JP2010520334A JP2010520334A JP5553447B2 JP 5553447 B2 JP5553447 B2 JP 5553447B2 JP 2010520334 A JP2010520334 A JP 2010520334A JP 2010520334 A JP2010520334 A JP 2010520334A JP 5553447 B2 JP5553447 B2 JP 5553447B2
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- heat exchange
- hypothermia
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- septic shock
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/0085—Devices for generating hot or cold treatment fluids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0093—Heating or cooling appliances for medical or therapeutic treatment of the human body programmed
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
- A61F2007/126—Devices for heating or cooling internal body cavities for invasive application, e.g. for introducing into blood vessels
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
・発熱または低体温
・頻脈(例えば、心拍数>90拍動/分)
・頻呼吸(例えば、呼吸数>20呼吸/分または32mmHg未満のPaCO2)
・白血球増加(例えば、WBC>12000/mm3)、白血球減少(例えば、WBC<4000/mm3)、またはbandemia(例えば、>10パーセントimmature(band)forms)
敗血症患者の多くは、初期輸液チャレンジ後の低血圧や精神状態の錯乱も示す。
A.敗血症、敗血性ショックあるいは他の炎症性・感染性疾患を処置する方法の例
図1は、組織・器官の低酸素症またはショックをもたらす、敗血症、敗血性ショックあるいは他の炎症性または感染性疾患を処置するために低体温を使用する方法の例を示すフロー図である。図14の例の第1ステップでは、組織/器官の低酸素症またはショックをもたらす、実在するまたは差し迫っている敗血症、敗血性ショックあるいは他の炎症性または感染性疾患についての初期診断または臨床所見を入手する。こうした診断または臨床所見は身体的な検査や患者履歴や実験室試験に基づいて入手してもよい。ある患者において、患者が抗生物質耐性微生物に感染しているという(微生物学的培養データを確認した状態でのまたは未確認状態での)臨床所見は、患者が敗血症または敗血性ショックを発症する可能性があるという臨床所見をもたらす可能性がある。
図2から3は、一般に、本発明の熱交換カテーテルシステム10の一例を示す。後述する、敗血症または敗血性ショックを示す変数を監視するセンサおよびセンサに関連するフィードバック制御を除いて、この熱交換カテーテルシステム10のさらなる詳細は2006年6月29日に出願された「Devices, Systems and Methods for Rapid Endovascular Cooling」という名称の米国特許出願第11/479961号に記載され、その特許出願は、参照により本明細書に明示的に組込まれる。この例では、熱交換カテーテルシステム10は、一般に、a)熱交換カテーテル12、b)体外熱交換器14、c)冷却器16や加熱器18、d)体温測定装置17、ならびに、e)プログラマブルコントローラ20を備える。ある例では、冷却器16および加熱器18は、加熱と冷却を交代に行う単一装置(例えば、熱電冷却器/加熱器)に組合されるかまたは一体化されてもよく、一方、他の例では、別個の冷却器16(例えば、冷凍機、凝縮器、熱電冷却器、冷たい物質塊)と別個の加熱器(例えば、抵抗加熱器、熱電加熱器、暖かい物質塊など)を使用することができる。
Claims (6)
- 敗血症あるいは敗血性ショックを患っているかまたは発症する可能性があるという初期診断または臨床的所見がなされた人または動物の被検者に対し低体温治療を提供する治療的低体温システムであって、
前記被検者の脈管構造内に挿入可能な熱交換カテーテルと、
前記熱交換カテーテルを通る熱交換流体を循環させることによって前記被検者の脈管構造を流れる血液を加温または冷却し、それにより、前記被検者の身体を加温または冷却する熱交換流体循環装置と、
前記被検者の身体の温度を監視する体温センサと、
敗血症あるいは敗血性ショックの重篤度を示す少なくとも1つの臨床変数であって、
混合静脈血酸素飽和度(SvO2)、
混合静脈血内の酸素分圧、
結膜酸素分圧(PcjO2)、または
血液、血清、尿、または他の身体流体内の乳酸濃度
からなる群から選択されるものである前記少なくとも1つの臨床変数を検知するための少なくとも1つの臨床変数センサと、
i)目標低体温温度の入力と、ii)前記被験者の現在体温を示す前記体温センサからの信号及び前記少なくとも1つの臨床変数の変化を示す前記臨床変数センサからの信号とを受信するコントローラとを備え、
前記熱交換流体循環装置が初めに前記被験者の身体を前記目標低体温温度に冷却し、当該目標低体温温度を所望の低体温期間にわたって維持するように前記コントローラはプログラムされており、
前記コントローラは、前記所望の低体温期間の後に前記熱交換流体循環装置に前記被験者の身体の再加温を開始させ、その再加温中に前記少なくとも1つの臨床変数が敗血症あるいは敗血性ショックの重篤度の悪化を示すように変化した場合、i)前記再加温を停止し、前記被験者の身体を更なる低体温期間にわたって低体温温度に再冷却すること、あるいは、ii)更なる再加温を遅延させること、あるいは、iii)再加温の速度を変更することから選択される再医療行為を前記熱交換流体循環装置に行わせるようさらにプログラムされている前記治療的低体温システム。 - 前記コントローラが行わせる前記再医療行為は、前記熱交換流体循環装置に、前記被験者の身体を前記目標低体温温度にまたは目標低体温範囲の温度に第2期間にわたって再冷却させ、その後、前記再加温を開始することを備える請求項1に記載のシステム。
- 前記少なくとも1つの臨床変数センサは混合静脈血酸素飽和度(SvO2)を測定する肺動脈カテーテルを含み、前記コントローラは再加温中に70%未満のSvO2を検知したときに前記再医療行為を行わせるようにプログラムされている請求項1に記載のシステム。
- 前記少なくとも1つの臨床変数センサは心拍出量を測定する肺動脈カテーテルを含み、前記コントローラは再加温中に前記被験者の心指数が3l/分/m2より下がる場合に前記再医療行為を行わせるようにプログラムされている請求項1に記載のシステム。
- 前記少なくとも1つの臨床変数センサは動脈圧モニタを含み、前記コントローラは再加温中に前記被験者の平均動脈圧が65mmHgより下がる場合に前記再医療行為を行わせるようにプログラムされている請求項1に記載のシステム。
- 前記少なくとも1つの臨床変数センサは血中乳酸センサを含み、前記コントローラは再加温中に前記被験者の血中乳酸が4mmol/l(36mg/dl)を超える場合に前記再医療行為を行わせるようにプログラムされている請求項1に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/891,684 US8475509B2 (en) | 2007-08-09 | 2007-08-09 | Devices and methods for using endovascular cooling to treat septic shock and other disorders |
US11/891,684 | 2007-08-09 | ||
PCT/US2008/072677 WO2009021203A1 (en) | 2007-08-09 | 2008-08-08 | Devices and methods for using endovascular cooling to treat septic shock and other disorders |
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JP2013253416A Division JP2014061438A (ja) | 2007-08-09 | 2013-12-06 | 敗血症あるいは敗血性ショックを処置するために血管内冷却を使用する治療的低体温システム |
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JP2010535596A JP2010535596A (ja) | 2010-11-25 |
JP2010535596A5 JP2010535596A5 (ja) | 2011-09-22 |
JP5553447B2 true JP5553447B2 (ja) | 2014-07-16 |
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JP2013253416A Pending JP2014061438A (ja) | 2007-08-09 | 2013-12-06 | 敗血症あるいは敗血性ショックを処置するために血管内冷却を使用する治療的低体温システム |
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US (3) | US8475509B2 (ja) |
EP (1) | EP2185113A4 (ja) |
JP (2) | JP5553447B2 (ja) |
AU (1) | AU2008285332A1 (ja) |
CA (1) | CA2695930C (ja) |
WO (1) | WO2009021203A1 (ja) |
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2007
- 2007-08-09 US US11/891,684 patent/US8475509B2/en active Active
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2008
- 2008-08-08 AU AU2008285332A patent/AU2008285332A1/en not_active Abandoned
- 2008-08-08 CA CA2695930A patent/CA2695930C/en not_active Expired - Fee Related
- 2008-08-08 JP JP2010520334A patent/JP5553447B2/ja active Active
- 2008-08-08 EP EP08782691A patent/EP2185113A4/en not_active Withdrawn
- 2008-08-08 WO PCT/US2008/072677 patent/WO2009021203A1/en active Application Filing
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2013
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- 2013-12-06 JP JP2013253416A patent/JP2014061438A/ja active Pending
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014061438A (ja) * | 2007-08-09 | 2014-04-10 | Zoll Circulation Inc | 敗血症あるいは敗血性ショックを処置するために血管内冷却を使用する治療的低体温システム |
Also Published As
Publication number | Publication date |
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US8475509B2 (en) | 2013-07-02 |
JP2014061438A (ja) | 2014-04-10 |
US20090043366A1 (en) | 2009-02-12 |
EP2185113A4 (en) | 2012-08-01 |
US20140148882A1 (en) | 2014-05-29 |
US9597226B2 (en) | 2017-03-21 |
EP2185113A1 (en) | 2010-05-19 |
AU2008285332A1 (en) | 2009-02-12 |
WO2009021203A1 (en) | 2009-02-12 |
US20170252206A1 (en) | 2017-09-07 |
CA2695930C (en) | 2017-10-17 |
JP2010535596A (ja) | 2010-11-25 |
CA2695930A1 (en) | 2009-02-12 |
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