نتایج جستجو برای: prematurity retinopathies
تعداد نتایج: 8418 فیلتر نتایج به سال:
OBJECTIVE To assess the hypothesis that retinopathies are indicative of systemic microvascular injury. RESEARCH DESIGN AND METHODS The only U.S. national survey assessing microvascular hemorrhaging at two distinct anatomical sites was the National Health and Nutrition Examination Survey (1988-1994). The systemic microvascular injury hypothesis was assessed by modeling the association of retin...
Inosine-5'-monophosphate dehydrogenase (IMPDH) plays key roles in purine nucleotide metabolism and cell proliferation. Although IMPDH is a widely studied therapeutic target, there is limited information about its physiological regulation. Using Ashbya gossypii as a model, we describe the molecular mechanism and the structural basis for the allosteric regulation of IMPDH by guanine nucleotides. ...
AIM To determine the role of serum insulin-like growth factor-1 levels in the development of retinopathy of prematurity, which is a major cause of childhood blindness worldwide. MATERIAL AND METHODS We prospectively studied newborn infants born at a postmenstrual age of <32 weeks and birth weights <1 500 gr, between January 1st, 2015, and December 31st, 2015. A total of 40 infants were enroll...
Background and purpose: Prematurity birth occurs when a newborn is born before the thirty seventh week of pregnancy. Preterm birth is the most expensive and the most common health problem. So, the aim of this study was to do epidemiological survey of prematurity in Gonbad-e Kavous in 2010. Materials and Methods: This sectional- descriptive study was carried out on 172 premature babies with cens...
BACKGROUND Despite new therapeutic approaches have improved the prognosis of newborns with retinopathy of prematurity (ROP), an unfavourable structural and functional outcome still remains high. There is high pressure to develop new drugs to prevent and treat ROP. There is increasing enthusiasm for anti-VEGF drugs, but angiogenic inhibitors selective for abnormal blood vessels would be consider...
prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...
BACKGROUND To evaluate the efficacy of wide-field digital retinal imaging for retinopathy of prematurity screening. DESIGN Retrospective study in a quaternary public neonatal intensive care unit. PARTICIPANTS A total of 108 premature infants screened for retinopathy of prematurity. METHODS Retrospective chart and photo review were performed on participants screened by both serial wide-fie...
OBJECTIVE To study the influence of maternal preeclampsia on the occurrence of retinopathy of prematurity. STUDY DESIGN A prospective cohort study of 324 preterm neonates with birth weight ≤ 1500 g and gestational age ≤ 32 weeks. Multiple maternal and perinatal factors were analyzed for association and confounding by multiple logistic regression analysis. RESULTS Mean birth weight was 1128 ...
INTRODUCTION Studies on the prevalence and severity of retinopathy of prematurity in the local population are scarce. This study aimed to evaluate the prevalence, screening, and treatment outcome of retinopathy of prematurity in a tertiary hospital in Hong Kong. METHODS This cross-sectional study with internal comparison was conducted at Queen Mary Hospital, Hong Kong. The study evaluated 89 ...
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