TADEUSZ WILKOSZ, TOMASZ DRĄŻKIEWICZ, GRZEGORZ LEWIŃSKI
JOHN PAUL II HOSPITAL, CRACOW - POLAND
VARADY’S 30TH INTERNATIONAL WORKSHOP FOR PHLEBOLOGY, LYMPHOLOGY AND ANGIOLOGY FRANKFURT 17-18.04.2015
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Ultrasound Elastography in the Evaluation of Venous Thrombosis - try to apply in clinical practice презентация
Содержание
- 1. Ultrasound Elastography in the Evaluation of Venous Thrombosis - try to apply in clinical practice
- 2. What is Elastography? Elastography is an
- 3. Elastography was developed first in the US
- 4. Several Approaches Manual compression by operator
- 5. Sonoelastography Strain elastography (manual mechanical compression of
- 6. Strain elastography technically simpler option
- 7. Axial and lateral deformations after an
- 8. Application of vein elastography What is
- 9. Mostly green coloring of fresh thrombosis It
- 10. First signs of recanalization, identified as areas
- 11. Further extension of recanalization channel
- 12. an extension of recanalization channel
- 23. SSV
- 24. SSV
- 25. SSV
- 26. SSV
- 35. Forehead the thrombus
- 37. POPLITEAL VEIN
- 39. Conclusions USEG usage for dynamic monitoring
- 40. REFERENCES 1.USEFULNESS OF ULTRASONOGRAPHIC ELASTOGRAPHY FOR
- 41. Thank you for the attention
What is Elastography? Elastography is an imaging technique to measure the stiffness of tissues Images are acquired before and after soft compression of tissues and the deformation is evaluated
Слайд 1Ultrasound Elastography in the Evaluation of Venous Thrombosis - try to
apply in clinical practice
Слайд 2What is Elastography?
Elastography is an imaging technique to measure the stiffness
of tissues
Images are acquired before and after soft compression of tissues and the deformation is evaluated
Initially elastography used manual compression and was only qualitative, now some methods appears to apply a non operator dependant compression
Images are acquired before and after soft compression of tissues and the deformation is evaluated
Initially elastography used manual compression and was only qualitative, now some methods appears to apply a non operator dependant compression
Слайд 3Elastography was developed first in the US field
Three step approach:
1.
Organs mechanically stressed by either external or internal forces.
2. Measurement of tissues movement induced
3. Qualitative or quantitative evaluation of tissue elastic properties from the measured displacement of tissues.
2. Measurement of tissues movement induced
3. Qualitative or quantitative evaluation of tissue elastic properties from the measured displacement of tissues.
Слайд 4Several Approaches
Manual compression by operator using the transducer (static
elastography - strain elastography)
Organ compression by heartbeat or vascular pulsations
Push pulse waves compression
Supersonic shear waves
Organ compression by heartbeat or vascular pulsations
Push pulse waves compression
Supersonic shear waves
Слайд 5Sonoelastography
Strain elastography (manual mechanical compression of transducer) is a ultrasonic (US)
technique invented by Hitachi Medical and Tsukuba University in Japan
Dynamic Elastography ( Shear Wave Elastography) introduced by SuperSonic Imagine in France
Dynamic Elastography ( Shear Wave Elastography) introduced by SuperSonic Imagine in France
Слайд 6Strain elastography
technically simpler option is available in multiple devices, many
manufacturers of ultrasound equipment
main application in the study of pathologies of superficial structures - breast, thyroid, lymph nodes, prostate,
…but they are also successful attempts to study the structure of venous thrombosis
main application in the study of pathologies of superficial structures - breast, thyroid, lymph nodes, prostate,
…but they are also successful attempts to study the structure of venous thrombosis
Слайд 7Axial and lateral deformations
after an axial constraint
STRAIN (STATIC) ELASTOGRAPHY
B-mode
Elastography
mode
Слайд 8Application of vein elastography
What is the age of the thrombus?
Whether there
are features of recanalization?
Слайд 9Mostly green coloring of fresh thrombosis
It is possible to capture the
changes from a soft thrombus in the acute phase to a hard thrombus in the chronic phase
Слайд 10First signs of recanalization, identified as areas of relatively high elasticity
of the
clot structure
clot structure
Слайд 39Conclusions
USEG usage for dynamic monitoring of acute venous thrombosis can help
in identifying
of initial signs of thrombus recanalization
Changes in clot structure can define probable prognosis of recanalization.
Elastography would be useful for evaluating the tissue characteristics of venous thrombi, enabling selection of the treatment method and forecast of complications
Further review is desired
of initial signs of thrombus recanalization
Changes in clot structure can define probable prognosis of recanalization.
Elastography would be useful for evaluating the tissue characteristics of venous thrombi, enabling selection of the treatment method and forecast of complications
Further review is desired
Слайд 40REFERENCES
1.USEFULNESS OF ULTRASONOGRAPHIC ELASTOGRAPHY FOR EVALUATION OF VENOUS THROMBOEMBOLISM
K. Shimizu,T. Tomaru,
Cardiology Center,Toho University Sakura Hospital, Sakura
Circulation Journal Vol 73, Suppl 1, 2009
2.AGING OF VENOUS THROMBOSIS - COMPARISON BETWEEN HISTOLOGICAL AND TISSUE
ELASTICITY IMAGING K.Uno, A. Tonomura, M. Yamakawa, T. Ishizu, Y. Seo, S. Honma.
T. Shiina, K. Aonuma, Circulation Journal Vol 72, Suppl 1, 2008
3.ULTRASOUND ELASTICITY IMAGING CAN DETECT HIGH RISK PATIENTS WITH DEEP VEIN THROMBOSIS WHO RESULTS IN PULMONARY EMBOLISM
H.Kato, M.Nishino, M. Hara, T. Yoshimura, D.Nakamura, Y. Lee, S. Nakatani, A. Hashimoto, K. Yamagami, Y. Egami, R. Shutta, H. Yamaguchi, J.Tanouchi, Y. Yamada
Division of Cardiology, Osaka Rosai Hospital, Sakai, Circulation Journal Vol 73, Suppl 1, 2009
4.AGING OF VENOUS THROMBOSIS - COMPARISON BETWEEN HISTOLOGICAL AND TISSUE
ELASTICITY IMAGING
K. Uno, A. Tonomura, M. Yamakawa, T. Ishizu, Y. Seo, S. Honma, T. Shiina, K. Aonuma, Circulation Journal Vol 72, Suppl 1, 2008
5.ULTRASONIC ELASTOGRAPHY IMAGING OF DEEP VENOUS THROMBOSIS
K. Shimizu, T. Tomaru, K. Nakamura, K. Hirano, H. Noike, M. Takahashi, T. Sakurai. Department of Cardiovascularcenter, Sakura Hospital,Toho University School of Medicine, Chiba, Circulation Journal Vol 71 Suppl 1 PJ-709, 2007
6.APPLICATION OF ULTRASONIC ELASTOGRAPHY FOR EVALUATION OF DEEP VENOUS THROMBOSIS
K. Shimizu, K. Nakamura, T. Hirohashi, et al.,Circulation Journal Vol 70 Suppl 1 PE-623, 2006
7.EXPERIENCE OF USING ULTRASOUND ELASTOGRAPHY FOR DYNAMIC MONITORING OF RECANALISATION OF VENOUS THROMBOSIS OF LOWER EXTREMITIES IN ADULTS AND CHILDREN A. R. Zubarev, N. Krivosheeva, A. Demidova, I. Rychkova, E. A. Zubareva; ECR 2012
8.SONOGRAPHISCHE KLASSIFIKATION DER TIEFEN VENOSEN THROMBOSE S.Siebers, B.Geier, M.Vogt, U.Scheipers, A.Mumme, H.Ermert, Ultraschall in der Medizin, No. 25. Sept.2004, p.S35
Circulation Journal Vol 73, Suppl 1, 2009
2.AGING OF VENOUS THROMBOSIS - COMPARISON BETWEEN HISTOLOGICAL AND TISSUE
ELASTICITY IMAGING K.Uno, A. Tonomura, M. Yamakawa, T. Ishizu, Y. Seo, S. Honma.
T. Shiina, K. Aonuma, Circulation Journal Vol 72, Suppl 1, 2008
3.ULTRASOUND ELASTICITY IMAGING CAN DETECT HIGH RISK PATIENTS WITH DEEP VEIN THROMBOSIS WHO RESULTS IN PULMONARY EMBOLISM
H.Kato, M.Nishino, M. Hara, T. Yoshimura, D.Nakamura, Y. Lee, S. Nakatani, A. Hashimoto, K. Yamagami, Y. Egami, R. Shutta, H. Yamaguchi, J.Tanouchi, Y. Yamada
Division of Cardiology, Osaka Rosai Hospital, Sakai, Circulation Journal Vol 73, Suppl 1, 2009
4.AGING OF VENOUS THROMBOSIS - COMPARISON BETWEEN HISTOLOGICAL AND TISSUE
ELASTICITY IMAGING
K. Uno, A. Tonomura, M. Yamakawa, T. Ishizu, Y. Seo, S. Honma, T. Shiina, K. Aonuma, Circulation Journal Vol 72, Suppl 1, 2008
5.ULTRASONIC ELASTOGRAPHY IMAGING OF DEEP VENOUS THROMBOSIS
K. Shimizu, T. Tomaru, K. Nakamura, K. Hirano, H. Noike, M. Takahashi, T. Sakurai. Department of Cardiovascularcenter, Sakura Hospital,Toho University School of Medicine, Chiba, Circulation Journal Vol 71 Suppl 1 PJ-709, 2007
6.APPLICATION OF ULTRASONIC ELASTOGRAPHY FOR EVALUATION OF DEEP VENOUS THROMBOSIS
K. Shimizu, K. Nakamura, T. Hirohashi, et al.,Circulation Journal Vol 70 Suppl 1 PE-623, 2006
7.EXPERIENCE OF USING ULTRASOUND ELASTOGRAPHY FOR DYNAMIC MONITORING OF RECANALISATION OF VENOUS THROMBOSIS OF LOWER EXTREMITIES IN ADULTS AND CHILDREN A. R. Zubarev, N. Krivosheeva, A. Demidova, I. Rychkova, E. A. Zubareva; ECR 2012
8.SONOGRAPHISCHE KLASSIFIKATION DER TIEFEN VENOSEN THROMBOSE S.Siebers, B.Geier, M.Vogt, U.Scheipers, A.Mumme, H.Ermert, Ultraschall in der Medizin, No. 25. Sept.2004, p.S35
