Surgery : Influence of pneumoperitoneum and postural change on the cardiovascular and respiratory systems in dogs
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- PARK Young Tae
- Laboratory of Small Animal Surgery, Kitasato University, 35–1, Higashi 23-bancho, Towada, Aomori 034–8628, Japan
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- OKANO Shozo
- Laboratory of Small Animal Surgery, Kitasato University, 35–1, Higashi 23-bancho, Towada, Aomori 034–8628, Japan
書誌事項
- タイトル別名
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- Influence of pneumoperitoneum and postural change on the cardiovascular and respiratory systems in dogs
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説明
We investigated the influence of pneumoperitoneum#(PP) and postural change under inhalation anesthesia with isoflurane, which is routinely used in dogs, on the cardiovascular and respiratory systems. As test animals, 6 adult beagles were used. To induce anesthesia, atropine, butorphanol and propofol were intravenously injected. Anesthesia was maintained with 1.3 MAC (1.7%) isoflurane. The following were the experiment conditions: I:E ratio, 1:1.9; tidal air exchange, 20 ml/kg; and ventilation frequency, 14 times/min. Respiration was regulated so that the PaCO2 was approximately 35 to 40 mmHg before the start of the experiment. PP with CO2 (intraperitoneal pressure 15 mmHg) and a postural change (15°C) was performed during the experiment. As parameters of circulatory kinetics, heart rate (HR), mean aortic pressure (MAP), mean pulmonary arterial pressure (MPAP), central venous pressure (CVP), femoral venous pressure (FVP) and cardiac output (CO) were measured. As parameters of respiratory kinetics, airway pressure (PAW) and blood gas (BG) were measured. There were significant increases in HR, MAP, MPAP, CVP, FVP, CO, PAW and PaCO2 after PP in the horizontal position. There were significant increases in CVP, FVP, PAW and PaCO2 after PP in the Trendelenburg position. There were significant increases in the MPAP, CVP, FVP, PAW and PaCO2 after PP in the inverse Trendelenburg position. There was a significant difference in FVP after PP between the Trendelenburg position and inverse Trendelenburg position. The results of this experiment suggest that appropriate anesthesia control, such as changing the ventilation conditions after PP, is required for laparoscopic surgery under inhalation anesthesia with isoflurane.
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 77 (10), 1223-1226, 2015
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390282681406268928
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- NII論文ID
- 130005107592
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 026822155
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- PubMed
- 26027843
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可