the aim of this paper is to project extreme precipitation events in an arid and a semiarid station. in order to project climate change based on general circulation models (gcms), we have applied lars-wg[1] downscaling tool. this stochastic weather generator down-scaled the climate of two synoptic stations using hadcm3 model and a2 emission scenario for 2040. we extracted extreme precipitation e...

The aim of this paper is to project extreme precipitation events in an arid and a semiarid station. In order to project climate change based on general circulation models (GCMs), we have applied LARS-WG[1] downscaling tool. This stochastic weather generator down-scaled the climate of two synoptic stations using HADCM3 model and A2 emission scenario for 2040. We extracted extreme precipitation e...

INTRODUCTION Several studies suggested an association between first trimester biochemical markers (PAPP-A and ß-HCG) and infants below 10th percentile. Our goal was to describe this relationship of biochemical markers with small-for-gestational-age fetuses in our population. MATERIAL AND METHODS Retrospective analytic study of 2 035 pregnant women that underwent first-trimester screening in t...

BACKGROUND Upper arm postures are believed to be an important risk determinant for musculoskeletal disorder development in the neck and shoulders. The 10th and 90th percentiles of the angular elevation distribution have been reported in many studies as measures of neutral and extreme postural exposures, and variation has been quantified by the 10th-90th percentile range. Further, the 50th perce...

OBJECTIVES To estimate the association between isolated second-trimester short femur length and fetal growth restriction as well as other adverse perinatal outcomes. METHODS We conducted a retrospective cohort study of patients with singleton gestations presenting for sonography between 16 and 24 weeks' gestation from 1990 to 2009. Cases of aneuploidy, skeletal dysplasia, and major anomalies ...

Background: The aim of this study was to determine the growth status of very low birth infant at corrected age of two years. Methods: This cross-sectional study was performed on all babies with birth weight ≤1500 gr without any congenital anomalies, genetic disturbance and chronic disease (e.g. cardiopulmonary insufficiency, cholestasis, malabsorption). They were called at corrected age 2 year...

BACKGROUND AND PURPOSE Intravoxel incoherent motion MR imaging can simultaneously measure the diffusion and perfusion characteristics of brain tumors. Our aim was to determine the utility of intravoxel incoherent motion-derived perfusion and diffusion parameters for assessing the treatment response of metastatic brain tumor following gamma knife radiosurgery. MATERIALS AND METHODS Ninety-one ...

BACKGROUND In 2009, the Centers for Medicare & Medicaid Services is publicly reporting hospital-level risk-standardized 30-day mortality and readmission rates after acute myocardial infarction (AMI) and heart failure (HF). We provide patterns of hospital performance, based on these measures. METHODS AND RESULTS We calculated the 30-day mortality and readmission rates for all Medicare fee-for-...

OBJECTIVE To assess the impact of a sonographic diagnosis of marginal placental cord insertion on birth weight and duration of pregnancy. METHODS A retrospective chart review was performed for 100 singleton pregnancies with prospectively identified marginal placental cord insertion. RESULTS Birth weights below the 10th percentile occurred in 6.25% of pregnancies without preeclampsia. Sponta...

BACKGROUND AND PURPOSE Patients with acute ischemic stroke are at increased risk of developing parenchymal hemorrhage (PH), particularly in the setting of reperfusion therapies. We have developed a predictive model to examine the risk of PH using combined magnetic resonance perfusion and diffusion parameters, including cerebral blood volume (CBV), apparent diffusion coefficient, and microvascul...