Reference Ranges of Reticulocyte Haemoglobin Content in Preterm and Term Infants: A Retrospective Analysis

Neonatology ◽  
2016 ◽  
Vol 111 (3) ◽  
pp. 189-194 ◽  
Author(s):  
Laila Lorenz ◽  
Andreas Peter ◽  
Jörg Arand ◽  
Fabian Springer ◽  
Christian F. Poets ◽  
...  
Keyword(s):  
Retrospective Analysis ◽  
Reference Ranges ◽  
Term Infants ◽  
Haemoglobin Content ◽  
Reticulocyte Haemoglobin Content

Reticulocyte Haemoglobin Content Declines More Markedly in Preterm than in Term Infants in the First Days after Birth

Neonatology ◽  
2017 ◽  
Vol 112 (3) ◽  
pp. 246-250 ◽  
Author(s):  
Laila Lorenz ◽  
Andreas Peter ◽  
Jörg Arand ◽  
Fabian Springer ◽  
Christian F. Poets ◽  
...  
Keyword(s):  
Term Infants ◽  
Haemoglobin Content ◽  
Reticulocyte Haemoglobin Content

Direct determination of selenium in serum by graphite-furnace atomic absorption spectrometry with deuterium background correction and a reduced palladium modifier: age-specific reference ranges.

1988 ◽  
Vol 34 (4) ◽  
pp. 709-714 ◽  
Author(s):  
B E Jacobson ◽  
G Lockitch
Keyword(s):  
Atomic Absorption ◽  
Direct Method ◽  
Graphite Furnace ◽  
Direct Determination ◽  
Background Correction ◽  
Specific Reference ◽  
Reference Ranges ◽  
Term Infants ◽  
Graphite Furnace Atomic Absorption

Abstract We describe the development of a direct method for determination of selenium in serum by graphite-furnace atomic absorption spectrophotometry with deuterium background correction. We include palladium modifier to stabilize selenium in the presence of a strong reducing agent. Spectral interferences from iron are not evident in this system. Because an analysis requires only 20 microL of serum or plasma, the method is applicable to neonatal populations. At a selenium concentration of 0.75 mumol/L (approximately the mean found in our pre-term infants), the within-run CV is 5.3%. For a concentration of 1.83 mumol/L, which approximates our normal adult mean, within-run and between-run CVs are 2.7% and 3.4%. Accuracy is demonstrated by analytical recoveries ranging from 96% to 102%. We present reference values for pre-term and term infants, and age-specific ranges for infants to adults.

Reference ranges of liver and spleen dimensions in term infants: sonographic measurements

2014 ◽  
Vol 42 (1) ◽  
pp. 77-81 ◽  
Author(s):  
Zelal Kahramaner ◽  
Aydin Erdemir ◽  
Bilal Arik ◽  
Gökmen Bilgili ◽  
Mehmet Tekin ◽  
...  
Keyword(s):  
Reference Ranges ◽  
Term Infants

scholarly journals Variation of Red Blood Cell Distribution Width and Mean Platelet Volume after Moderate Endurance Exercise

2014 ◽  
Vol 2014 ◽  
pp. 1-4 ◽  
Author(s):  
Giuseppe Lippi ◽  
Gian Luca Salvagno ◽  
Elisa Danese ◽  
Cantor Tarperi ◽  
Gian Cesare Guidi ◽  
...  
Keyword(s):  
Blood Cell ◽  
Endurance Exercise ◽  
Red Blood Cell ◽  
Mean Platelet Volume ◽  
Complete Blood Count ◽  
Mean Corpuscular Hemoglobin ◽  
Reference Ranges ◽  
Platelet Volume ◽  
Distribution Width ◽  
Haemoglobin Content

Although physical exercise strongly influences several laboratory parameters, data about the hematological changes after medium distance running are scarce. We studied 31 middle-trained athletes (mean training regimen217±32 min/week) who performed a 21.1 km, half-marathon run. Blood samples were collected before the run, at the end, and 3 and 20 hours thereafter. The complete blood count was performed on Advia 2120 and included red blood cell (RBC), reticulocyte, and platelet counts; hemoglobin; mean corpuscular volume (MCV); mean corpuscular hemoglobin (MCH); reticulocyte haemoglobin content (Ret CHR); RBC distribution width (RDW), mean platelet volume (MPV). No significant variations were observed for MCH and Ret CHR. The RBC, reticulocyte, and hemoglobin values modestly decreased after the run. The MCV significantly increased at the end of running but returned to baseline 3 hours thereafter. The RDW constantly increased, reaching a peak 20 hours after the run. The platelet count and MPV both increased after the run and returned to baseline 3 hours thereafter. These results may have implications for definition of reference ranges and antidoping testing, and may also contribute to explaining the relationship between endurance exercise and mortality, since previous studies reported that RDW and MPV may be significantly associated with cardiovascular disease.

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