Applied anatomy of percutaneous "valve-above-valve" stent implantation to treat the acute aortic insufficiency
LIU Jie, XU Bai-da, LING Qiu-yang, WANG Xiao, AN Dong-mei, CAO Li, BAI Yuan, ZONG Gang-jun
Chinese Journal of Clinical Anatomy ›› 2016, Vol. 34 ›› Issue (5) : 481-485.
Applied anatomy of percutaneous "valve-above-valve" stent implantation to treat the acute aortic insufficiency
Objective To provide the anatomical basis for percutaneous "valve-above-valve" stent implantation in the treatment of the acute aortic insufficiency. Methods The normal adult hearts and the ascending aorta in 5 specimens with the same shape and size were dissected, the aortic CTA data of 178 cases were retrospectively analyzed, among which 131 cases were male, 47 cases female; and the aortic angiography data of 85 cases were retrospectively analyzed, among which 45 cases were male, 40 cases were female. The inner diameter and length of the ascending aorta in different location were measured. Results The inner diameter at the opening of the brachiocephalic trunk measuredby aorta CTA was (30.5±2.3)mm, the inner diameter at the opening of the coronary artery was (25.5±1.8)mm, and the distance from the midpoint to the two openings was (36.5±36.5) mm and (31.2±4.1) mm, respectively. After standardization of the body surface area, the values were respectively （17.1±1.2）,（14.2±0.9）,（21.4±1.1）and（17.8±1.3）mm; the above mentioned values measured in the same way by DSA were （28.7±2.8）,（24.4±2.1）,（34.3±2.9） and （29.4±3.6）mm, respectively. After standardization of the body surface area, the values were （16.0±1.4）,（13.5±1.2）,（19.7±1.6） and（16.7±2.0）mm, respectively. Conclusion There has been a successful animal experiment research background in the percutaneous "valve-above-valve" stent, which can be used for clinical purposes as a new technology. The size and shape of the "valve-above-valve" stent should be designed by the inner diameter and the length of the ascending aorta.
Heart / "Valve-above-valve" / stent / Percutaneous / Aortic valve / Applied anatomy
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