Harbor
发表于 2025-3-28 15:59:06
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Proponent
发表于 2025-3-28 22:16:56
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pantomime
发表于 2025-3-29 01:55:27
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博识
发表于 2025-3-29 04:06:48
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babble
发表于 2025-3-29 08:20:37
Pathologic Functionreaction” by causing an increase of pressure in the distal portion of the vein, which may lead to dilation and, thereby, incompetence of the valve located at the next site upstream (see p. 23). The specific clinical significance of individual venous valves varies. We may assume that the destruction
Brain-Imaging
发表于 2025-3-29 11:48:48
Lesions Caused by Contrast Mediumhow all symptoms of phlebitis (. and ., 1978). In varicose veins this is of minor consequence and occasionally even saves the trouble of sclerosing therapy. We suspect, however, that similar effects might occur as a consequence of filling deep leg veins by contrast medium. In particular, the region
放逐
发表于 2025-3-29 18:12:21
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fringe
发表于 2025-3-29 20:06:56
Venous Thrombectomy thrombectomy is performed, backflow from more proximal segments occurs only in the absence of competent venous valves at sites nearer to the heart. According to . (1952), valves are absent above the sapheno-femoral junction in 20% of the veins. According to . (1949), a valve is found in the common
天气
发表于 2025-3-30 00:38:58
Reconstruction of Venous Valvesthe cause of congestion and edema, resulting in dermatitis, induration and ulcers in the ankle region and other portions of the lower leg. Incompetence of the valves of calf veins may lead to “failure of the peroneal muscle pump”, which is of considerable importance as a causal factor of the complex
讨好美人
发表于 2025-3-30 06:36:23
Book 1986to do so by several reasons. First of all we would point out the clinical significance of venous valves. In the pathogenesis of a number of widespread diseases, such as varicose veins or the post-thrombotic syndrome, venous valves are involved as the underlying cause or at least a factor contributor