نتایج جستجو برای: aortocaval
تعداد نتایج: 356 فیلتر نتایج به سال:
Right ventricular (RV) failure due to chronically abnormal loading is a main determinant of outcome in pulmonary hypertension (PH) and congenital heart disease. However, distinct types of RV loading have been associated with different outcomes. To determine whether the adaptive RV response depends on loading type, we compared hemodynamics, exercise, and hypertrophy in models of pressure overloa...
A 71-year-old woman presented with a 2-week history of abdominal and back pain. She had undergone right radical nephrectomy about 2 years ago due to renal cell carcinoma. Computed tomography (CT) scans of the abdominopelvic area revealed enhancing masses with prominent necrotic change in the aortocaval and left paraaortic spaces, which were about 7.4 and 1.5 cm in size, respectively (Fig. 1). A...
Several models of arteriovenous fistula (AVF) have excellent patency and help in understanding the mechanisms of venous adaptation to the arterial environment. However, these models fail to exhibit either maturation failure or fail to develop stenoses, both of which are critical modes of AVF failure in human patients. We used high-resolution Doppler ultrasound to serially follow mice with AVFs ...
A 61-year-old man was admitted to the hospital complaining of bilateral leg edema and dyspnea lasting for 1 month and resistant to diuretic therapy. His past medical history included hypertension, smoking, pneumonia, and chronic alcoholism. There was no history of abdominal trauma. The heart rate was 110 beats per minute (bpm), and blood pressure was normal (135/75 mm Hg). Physical examination ...
BACKGROUND Establishing a shunt-induced pulmonary arterial hypertension (PAH) model in mice would be of great scientific value, but no such models have been reported to date. Here, we established a shunt-associated PAH in mice to investigate the characteristics of pulmonary vascular remodeling, which provides a new platform for the in-depth study of PAH associated with congenital heart disease ...
BACKGROUND Chemokines are potent proinflammatory and immune modulators. Increased expression of chemokines, eg, monocyte chemoattractant protein-1 (MCP-1), has recently been described in clinical and experimental heart failure. The present report is aimed at exploring the expression, localization, and binding site regulation of MCP-1, a member of the C-C chemokine family, in a rat model of volu...
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