Change in Risk of Dropout Due to Bleeding during Bloodletting-Cupping Therapy

습식 부항 시술시 사혈량에 따른 부항 탈락 위험도 탐색

  • Kim, Daehyeok (Future Medicine Division, Korea Institute of Oriental Medicine) ;
  • Bae, Eunkyung (Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center) ;
  • Park, Jeonghwan (Future Medicine Division, Korea Institute of Oriental Medicine) ;
  • Kim, Soyoung (Future Medicine Division, Korea Institute of Oriental Medicine) ;
  • Lee, Sanghun (Future Medicine Division, Korea Institute of Oriental Medicine)
  • 김대혁 (한국한의학연구원 미래의학부) ;
  • 배은경 (서울아산병원 의공학연구소) ;
  • 박정환 (한국한의학연구원 미래의학부) ;
  • 김소영 (한국한의학연구원 미래의학부) ;
  • 이상훈 (한국한의학연구원 미래의학부)
  • Received : 2018.03.12
  • Accepted : 2018.03.16
  • Published : 2018.03.27


Objectives : To investigate minimum pressure by verifying changes in pressure due to bleeding amount during bloodletting-cupping therapy. Methods : (1) We compared adhesion performance of four different cupping cups of same size: two disposable cupping cups(A, B) and two reusable cupping cups(A, B) each were vacuumed three times and kept in place for 10 minutes. (2) We vacuumed two different sized disposable cupping cups(A), size.1(InnerDiameter 48.8 mm) and size.3(InnerDiameter 39.1 mm), twice each(-200 mmHg) on silicon plate. We injected water and air at regular intervals in cupping cups by using a syringe, and then measured change of pressure in cupping cups and pressure at the time of dropout. Results : (1) Pressure reduction was $4.75{\pm}2.78%$ on average in the order of 'Disposable[A]>reusable[B]>Disposable[B]>reusable[A]', so that pressure retention performance of disposable cups can't be regarded as inferior to that of reusable cups. (2) Pressure of disposable cupping B(size.1) decreased by an average of -40.08 mmHg per 5 ml of water. At -24.8 mmHg, when 22 ml of water has been injected, cup has come off. Pressure of disposable cupping B(size. 3) decreased by an average of -99.4 mmHg per 5 ml of water. At -48.6 mmHg, when 13 ml of water was injected, cupping came off. Conclusions : Considering reduction rate of pressure due to water injection, in case of bleeding more than 15 ml, size.3 cup always comes off, therefore it needs to be re-operated at least once. Meanwhile, size.1 cup does not always come off in the same condition, depending on the initial pressure and therefore, re-operation may be considered.


Supported by : INNOPOLIS Foundation, Korea Institute of Oriental Medicine


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