نتایج جستجو برای: vfa
تعداد نتایج: 1531 فیلتر نتایج به سال:
Background: This study was performed to determine the clinical usefulness of measurement of visceral fat area (VFA) using bioimpedance analysis in relation with left ventricular hypertrophy (LVH), diastolic dysfunction parameters, and decreased estimated glomerular filtration rate (eGFR). Methods: A cross-sectional analysis was performed on 1028 patients with eGFR≥60 ml/min/1.73m2, aged 40 - 64...
OBJECTIVE Vertebral fracture assessment (VFA) is a radiographic method using DXA to diagnose vertebral fractures, validated for reproducibility, sensitivity and specificity as compared with spine radiographs. This study was designed to assess the impact of VFA results on decision-marking in osteoporosis, using a clinical vignette-based approach. METHODS Twenty-nine rheumatologists provided da...
I . An isotope dilution method, known to be satisfactory for measurement of volatile fatty acid (VFA) production in the rumen under steady-state conditions, was tested for its applicability where the VFA pool in the rumen could vary irregularly. The method indicated mean production rates closely similar to those obtained when the pool size was virtually constant. Tests carried out in a model ru...
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is closely related with obesity. However, obese subjects, generally represented by high BMI, do not always develop NAFLD. A number of possible causes of NAFLD have been studied, but the exact mechanism has not yet been elucidated. METHODS A total of 304 consecutive subjects who underwent general health examinations including abdominal ultras...
The investigations presented and discussed herein establish an enhanced understanding on volatile fatty acid (VFA) production as a function of dairy manure fermenter organic loading (OL) and retention time (RT), first through a factorial of 64 fermentation potential (FP) batch tests, followed by analysis of a continuously operated pilot-scale fermenter. The maximum observed net FP - 0.103 mg VF...
Minke whales (Balaenoptera acutorostrata) have developed a compartmentalized stomach system, which includes a non-glandular forestomach containing high concentrations of indigenous bacteria. The forestomach contents serve as microbial substrate, and samples were collected from five adult minke whales eating capelin (Mallotus villosus) and crustaceans (Thysanoessa sp.). Chemical analysis of the ...
BACKGROUND To investigate the effect of obesity on open gastrectomy with D2 lymph-node dissection. METHODS Between January 2005 and March 2007, 100 patients with preoperatively diagnosed gastric cancer who underwent open gastrectomy with D2 lymph-node dissection were enrolled in this study. Of these, 61 patients underwent open distal gastrectomy (ODG) and 39 patients underwent open total gast...
STUDY OBJECTIVE To study the association between computer use and visual field abnormalities (VFA) and to assess whether heavy computer users have an increased risk of glaucoma. DESIGN Cross sectional multicentre study. Subjects and observation procedures: A total of 10 202 randomly selected Japanese workers (mean (SD) age 43.2 (9.8) years) were screened for VFA using the frequency doubling t...
Blood plasma concentrations of volatile fatty acids (VFA) in the carotid artery, and the femoral, portal and hepatic veins were measured in pigs fed a low carbohydrate diet (LC group, n=3), and in those fed a high carbohydrate diet (HC group, n=4). The mean body weights at the sampling time were 33.1 for the LC group and 42.2 kg for the HC group. The hepatic endogenous production of not only ac...
The effect of rumen liquid volume, pH and concentration of volatile fatty acids (VFA) on the rates of absorption of acetic, propionic and butyric acids from the rumen was examined in lactating dairy cows. Experimental solutions introduced into the emptied, washed rumen comprised two different volumes (10 or 30 l), four levels of pH (4.5, 5.4, 6.3, 7.2) and three levels of individual VFA concent...
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