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Elucidation of the mechanism elicited the deep vein thrombosis followed by pulmonary embolism in an inferior limb surgery with the tourniquet

Research Project

Project/Area Number 18K09041
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56020:Orthopedics-related
Research InstitutionOsaka Metropolitan University (2022-2023)
Osaka City University (2018-2021)

Principal Investigator

Nakata Nobuaki  大阪公立大学, 大学院医学研究科, 客員研究員 (00207804)

Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Keywordsターニケット / 深部静脈血栓症 / 家兎 / ウサギ / 止血帯 / 虚血ー再灌流障害 / 虚血‐再灌流障害 / 肺塞栓症
Outline of Final Research Achievements

As for the setting of the tourniquet, it is general maneuver from the viewpoint of bloodless field security in an orthopaedics inferior limb operation. On the other hand, whether the use of the tourniquet raise the risk level of deep vein thrombosis (DVT) followed by the pulmonary embolism (PE) is shrouded in controversy. Therefore, a DVT model was made by attaching the tourniquet to a rabbit hind leg. In the DVT formation group ligated the rat inferior vena cava, plasma antithrombin level increased significantly compared with the baseline control group(①), but it was not found in DVT group at this time. Plasma D-dimer value increased with 0.2μg/ml significantly in the DVT group (P =0.00015).

Academic Significance and Societal Importance of the Research Achievements

家兎後肢止血帯装着により右心系静脈血栓症がみられたことは、ターニケット装着と整形外科下肢手術における深部静脈血栓症リスク増加の可能性が示唆された。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report

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Published: 2018-04-23   Modified: 2025-01-30  

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