نتایج جستجو برای: biochemical reference ranges
تعداد نتایج: 452191 فیلتر نتایج به سال:
High performance liquid chromatography (HPLC) demonstrated advantages over conventional procedures employed in newborn and adult hemoglobinopathy screening programs for the identification of Hb variants has promoted the need to reassess our knowledge of hemoglobin reference ranges as it relates to HPLC quantitation. In this study, the HPLC hemoglobin reference ranges derived from 200 normal Afr...
The dearth of plasma alpha fetoprotein reference ranges for preterm infants often impairs the clinical interpretation of plasma alpha fetoprotein data collected from ill babies. This study tested our hypothesis that meaningful plasma reference ranges could be established for preterm infants by a simple correction of patient age at sampling date for gestational age deficit at birth. Using a modi...
BACKGROUND Some parents are requesting aluminum testing in their children with developmental issues. Although aluminum can be measured in plasma, serum, or urine, there is scant scientific information about normal ranges. We sought to determine the basis for laboratory reference ranges and whether these ranges are applicable to children. METHODS From texts, published lists, and Internet sourc...
OBJECTIVE Pregnancy is a period of considerable change in blood pressure, with an early pregnancy decrease followed by a late pregnancy rise. High blood pressure in pregnancy is associated with adverse perinatal outcomes for the mother and offspring. We aimed to define normal ranges of blood pressure across gestation. METHODS We used repeated antenatal blood pressure measurements [median (int...
BACKGROUND The measurement of handgrip strength (HGS) has prognostic value with respect to all-cause mortality, cardiovascular mortality and cardiovascular disease, and is an important part of the evaluation of frailty. Published reference ranges for HGS are mostly derived from Caucasian populations in high-income countries. There is a paucity of information on normative HGS values in non-Cauca...
The conduct of Phase I/II HIV vaccine trials internationally necessitates the development of region-specific clinical reference ranges for trial enrollment and participant monitoring. A population based cohort of adults in Kericho, Kenya, a potential vaccine trial site, allowed development of clinical laboratory reference ranges. Lymphocyte immunophenotyping was performed on 1293 HIV seronegati...
In 1991, 246 and 136 Ontario laboratories performed total creatine kinase (CK; EC 2.7.3.2) and creatine kinase-2 (CK-2) assays, respectively. A questionnaire mailed to these laboratories requested information about the types of assay used, the origin of their reference ranges, and the source of their instruments and reagents. All laboratories used current test formulations for CK, although seve...
to determine the normal ranges of serum age-related prostate-specific antigen (psa) level in men from beijing area without cancer.in this cross sectional study, form april 2010 to october 2011, 1611 healthy men undergoing a routine health check-up in our hospital and all men received three examinations including serum psa test, digital rectal ex-amination and transrectal ultrasound. men with an...
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern United States including southeastern Atlantic and northern Gulf of Mexico. Serum sodium, chloride, and calculated osmolality were significantly lower and below reference...
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