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Morphometric aspects of remodeling of the arterial bed of the testicles in post- resection portal and pulmonary hypertensions.
OBJECTIVE: Aim: To perform a morphometric analysis of the features of vascular remodeling of the arterial bed of the testicles in post-resection portal and pulmonary hypertension.
PATIENTS AND METHODS: Materials and Methods: The testes of 54 white rats were studied, which were divided into groups: 1st included 16 intact animals, 2nd - 20 rats with pulmonary hypertension, 3rd - 18 individuals with post-resection portal hypertension. Postresection pulmonary hypertension was modeled by right-sided pulmonectomy. Postresection portal hypertension was simulated by removing 58.1 % of the liver parenchyma.
RESULTS: Results: The outer diameter of the small-caliber arteries of the left testicle increased by 3.4% (p<0.05) in post-resection arterial pulmonary hypertension, and by 2.9% in post-resection portal hypertension. The inner diameter of the small-caliber arteries of the left testicle decreased by 7.7% (p<0.001) in pulmonary heart disease, and by 6.5% (p<0.01) in post-resection portal hypertension. The Kernogan index decreased by 23.0% (p<0.001), the Vogenvoort index increased by 1.26 times. In case of post-resection portal hypertension, the Kernogan index decreased by 19.0% (p<0.001) and the Wogenvoort's index increased by 1.19 times. The relative volume of damaged endotheliocytes in the small-caliber arteries of the left testis increased 20.6 times (p<0.001) in pulmonary heart disease, and increased 16.3 times (p<0.001) in post-resection portal hypertension.
CONCLUSION: Conclusions: Portal and pulmonary hypertension lead to pronounced remodeling of the arterial bed of the testicles, which is characterized by thickening of the arterial wall, narrowing of their lumen, significant changes in Wogenvoort and Kernogan indexes, atrophy, dystrophy, and necrobiosis of endotheliocytes.
PATIENTS AND METHODS: Materials and Methods: The testes of 54 white rats were studied, which were divided into groups: 1st included 16 intact animals, 2nd - 20 rats with pulmonary hypertension, 3rd - 18 individuals with post-resection portal hypertension. Postresection pulmonary hypertension was modeled by right-sided pulmonectomy. Postresection portal hypertension was simulated by removing 58.1 % of the liver parenchyma.
RESULTS: Results: The outer diameter of the small-caliber arteries of the left testicle increased by 3.4% (p<0.05) in post-resection arterial pulmonary hypertension, and by 2.9% in post-resection portal hypertension. The inner diameter of the small-caliber arteries of the left testicle decreased by 7.7% (p<0.001) in pulmonary heart disease, and by 6.5% (p<0.01) in post-resection portal hypertension. The Kernogan index decreased by 23.0% (p<0.001), the Vogenvoort index increased by 1.26 times. In case of post-resection portal hypertension, the Kernogan index decreased by 19.0% (p<0.001) and the Wogenvoort's index increased by 1.19 times. The relative volume of damaged endotheliocytes in the small-caliber arteries of the left testis increased 20.6 times (p<0.001) in pulmonary heart disease, and increased 16.3 times (p<0.001) in post-resection portal hypertension.
CONCLUSION: Conclusions: Portal and pulmonary hypertension lead to pronounced remodeling of the arterial bed of the testicles, which is characterized by thickening of the arterial wall, narrowing of their lumen, significant changes in Wogenvoort and Kernogan indexes, atrophy, dystrophy, and necrobiosis of endotheliocytes.
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