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The Effects of Hindlimb Unloading of Rats on Rheographic Parameters of Femoral and Brachial Arteries In Situ.
Bull Exp Biol Med
November 2024
Laboratory of General Pathology of Cardiorespiratory System, Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
Article Synopsis
- The study measured the electrical impedance and pulsation ranges of brachial and femoral arteries in rats after 14 days of hindlimb unloading (a model for microgravity).
- Results showed that the femoral artery constricted while the brachial artery dilated, with both exhibiting reduced pulsation dynamics.
- The ability of the femoral artery to switch to an active pulsatile mode during bloodletting was significantly lower in unloaded rats than in control rats, indicating potential negative effects of microgravity on blood circulation.
A neural network model for predicting the effectiveness of treatment in patients with neovascular glaucoma associated with diabetes mellitus.
Rom J Ophthalmol
October 2024
Department of Ophthalmology and Clinical Optometry, "Nicolae Testemițanu" State University of Medicine and Pharmacy, Chişinău, Republic of Moldova.
Article Synopsis
- The study explores the effectiveness of neural networks in predicting treatment outcomes for diabetic neovascular glaucoma (NVG), focusing on intraocular pressure, inflammation, and blood circulation indicators.
- The research involves a cohort of 127 NVG patients and a control group, using specific preoperative indices to analyze the impact on treatment success after transscleral cyclophotocoagulation (TSC CPC).
- The neural network model developed highlighted the significance of the systemic inflammation response index (SIRI), rheographic coefficient (RQ), and systemic immune-inflammation index (SII) in predicting treatment efficacy, demonstrating high sensitivity but lower specificity.
Aim - improving the effectiveness of complex treatment of patients with maxillomandibular anomalies and disorders of the architectonics of the vestibule of the mouth. We conducted clinical, X-ray methods and cytomorphometric, rheographic examination of the oral mucosa of 30 patients 15-17-years old with acquired maxillomandibular anomalies and disorders of the architectonics of the vestibule of the mouth (buccal frenum) and 15 relatively healthy children - norm group. The patients of I group had surgical correction of buccal frenum, where the surgical wound was healing by secondary tension.
View Article and Find Full Text PDFChronic Effects of Modeled Myocardial Infarction, Thoracic Trauma, and Denervation of Hind Limb on Rheographic Parameters of Rat Femoral Arteries In Situ.
Bull Exp Biol Med
July 2022
Laboratory of General Pathology of Cardiorespiratory System, Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
In experiments on narcotized male rats (n=85), the mean electroimpedance Z and peak-to-peak magnitudes (the swing ranges) of passive (ΔZ) and active (ΔZ) pulsatile electroimpedance oscillations of isolated segment of femoral arteries were determined in situ. These rheographic parameters (RP) were measured in intact animals and in those with modeled chronic myocardial infarction, chronic denervation of the right hind leg, as well as in rats subjected to sham operations to mimic denervation or infarction (with thoracic trauma). The rats with modeled myocardial infarction demonstrated decreasing trends of all RP.
View Article and Find Full Text PDFTHE INFLUENCE OF BODY COMPOSITION ON THE STATE OF THE CARDIOVASCULAR SYSTEM IN WOMEN.
Georgian Med News
November 2020
Uzhhorod National University, department of fundamental medical disciplines, Ukraine.
Sedentary lifestyle leads to deteriorating health. This problem is especially on the rise in the era of computer technology development and increasing workplaces with inactive physical activities. Women in general are less physically active than men and more often suffer from obesity.
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