Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2013
Three-dimensional power Doppler transanal ultrasonography, to monitor haemorrhoidal blood flow after Doppler-guided ALTA sclerosing therapy.
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Miyamoto H, Asanoma M, Miyamoto H, Takasu C, Shimada M
Аннотация
AIM: The study aimed to use power Doppler imaging (PDI) transanal ultrasonography to produce three-dimensional power Doppler angiography images of haemorrhoidal tissue and to monitor the effects of Doppler-guided aluminium potassium sulfate and tannic acid (DGALTA) sclerotherapy.
METHOD: Ninety-six haemorrhoids in 43 patients were examined using PDI transanal ultrasonography, and DGALTA sclerotherapy was performed from April 2011 to April 2012. DGALTA sclerotherapy was conducted using a four-step injection process with pulse wave Doppler ultrasound under perianal local anaesthesia.
RESULTS: A three-dimensional power Doppler angiography image of the blood flow in haemorrhoidal tissue was produced using PDI transanal ultrasonography. The cross-sectional area of blood flow in the haemorrhoidal tissue (PDI area) significantly decreased after DGALTA sclerotherapy. The PDI areas in the preoperative state and 1 and 3 months after treatment were 0.35±0.27, 0.03±0.05 and 0.04±0.05 cm(2) (P<0.0001).
CONCLUSION: A three-dimensional power Doppler angiography image of the haemorrhoidal tissue was technically possible and showed blood flow in the haemorrhoidal tissue to be significantly decreased after DGALTA sclerotherapy.
METHOD: Ninety-six haemorrhoids in 43 patients were examined using PDI transanal ultrasonography, and DGALTA sclerotherapy was performed from April 2011 to April 2012. DGALTA sclerotherapy was conducted using a four-step injection process with pulse wave Doppler ultrasound under perianal local anaesthesia.
RESULTS: A three-dimensional power Doppler angiography image of the blood flow in haemorrhoidal tissue was produced using PDI transanal ultrasonography. The cross-sectional area of blood flow in the haemorrhoidal tissue (PDI area) significantly decreased after DGALTA sclerotherapy. The PDI areas in the preoperative state and 1 and 3 months after treatment were 0.35±0.27, 0.03±0.05 and 0.04±0.05 cm(2) (P<0.0001).
CONCLUSION: A three-dimensional power Doppler angiography image of the haemorrhoidal tissue was technically possible and showed blood flow in the haemorrhoidal tissue to be significantly decreased after DGALTA sclerotherapy.