نتایج جستجو برای: distensibility
تعداد نتایج: 1687 فیلتر نتایج به سال:
Background HIV infection is associated with an increased likelihood of coronary artery disease (CAD) and related events, but the underlying mechanisms are not well understood. Reduced coronary distensibility (CD) may contribute to the development of atherosclerosis and is present in CAD patients. While aortic distensibility (AD) is known to be reduced in HIV, CD in HIV patients has not been stu...
TiE relationship between changes in pressure and changes in volume within the eye is of practical importance in the calibration of tonometers and in tonographic calculations, and the coefficient of ocular rigidity, K, proposed by Friedenwald (1937) has been employed generally for these purposes. Contrary to Friedenwald's assertion, it has been found that this coefficient is not a constant, but ...
left atrial (la) distension has been demonstrated to be linked with aortic stiffness in different patient populations. three-dimensional (3d) speckle-tracking echocardiography (ste) seems to be a promising tool for volumetric and functional evaluation of the la. the aim of the present study was to determine whether correlations exist between 3dste-derived la volume-based and strain parameter...
Childbirth induces a number of alterations, including ligament weakening and increased vaginal distensibility. The occurrence laxity or distensibility is associated with the wall introitus overstretching during parturition while pathophysiology due to levator dimension trauma ani muscle through avulsion (macrotrauma) overdistension (microtrauma). Elastin an extracellular matrix protein that con...
Right ventricular (RV) coupling to the pulmonary circulation influences response of RV increased afterload caused by hypertension (PH), which ultimately determines prognosis. A methodology that accounts for pulsatile flow is required when assessing ventriculo-arterial coupling. We applied wave intensity analysis (WIA) methods assess compliance main artery (PA) in patients with or without PH and...
Objectives: To systematically review the diagnostic utility of respiratory variation inferior vena cava diameter measured using ultrasonography for predicting fluid responsiveness in adult patients and compare three commonly used equations, distensibility, collapsibility variability. Methods: We searched PubMed, Scopus, Web Science Cochrane library, included studies investigating accuracy compa...
BACKGROUND The increased cardiovascular morbidity of adults with late repair of aortic coarctation (CoA) has been well documented. In contrast, successful CoA repair in early childhood has a generally good prognosis, though adverse vascular and ventricular characteristics may be abnormal, which could increase long-term risk. This study sought to perform a comprehensive analysis of aortic elasti...
BACKGROUND A risk factor assessment that reliably predicts whether patients are predisposed to intracranial aneurysm (IA) rupture has yet to be formulated. As such, the clinical management of unruptured IA remains unclear. Our aim was to determine whether impaired arterial distensibility and hypertrophic remodeling might be indicators of risk for IA rupture. MATERIAL/METHODS The study populat...
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