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Reticulocyte Count

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1. Absolute Reticulocyte Count and Reticulocyte Hemoglobin Content as Predictors of Early Response to Exclusive Oral Iron in Children with Iron Deficiency Anemia (PubMed)

Absolute Reticulocyte Count and Reticulocyte Hemoglobin Content as Predictors of Early Response to Exclusive Oral Iron in Children with Iron Deficiency Anemia We report data regarding kinetic of response to oral iron in 34 iron deficiency anemia children. Twenty-four/34 patients (70.5%) reached reference value of hemoglobin (Hb) concentration for age and sex at day + 30 from the beginning of treatment (complete early responders (CERs)), and 4/34 (12%) reached an Hb concentration at least 50

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2016 Anemia

2. Interest of Hemoglobin Count of Reticulocytes in Management of Functional Anemia for Patient With Solid Tumor

Interest of Hemoglobin Count of Reticulocytes in Management of Functional Anemia for Patient With Solid Tumor Interest of Hemoglobin Count of Reticulocytes in Management of Functional Anemia for Patient With Solid Tumor - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (...) (100). Please remove one or more studies before adding more. Interest of Hemoglobin Count of Reticulocytes in Management of Functional Anemia for Patient With Solid Tumor (RET-HE) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. of clinical studies and talk to your health care provider before participating. Read our for details. ClinicalTrials.gov

2018 Clinical Trials

3. Immature Reticulocyte Fraction and Absolute Neutrophil Count as Predictor of Hemopoietic Recovery in Patients with Acute Lymphoblastic Leukemia on Remission Induction Chemotherapy (PubMed)

Immature Reticulocyte Fraction and Absolute Neutrophil Count as Predictor of Hemopoietic Recovery in Patients with Acute Lymphoblastic Leukemia on Remission Induction Chemotherapy Acute lymphoblastic leukemia (ALL) encompasses a group of lymphoid neoplasms that are more common in children and arise from B-and T-lineage lymphoid precursor cells. The immature reticulocyte fraction (IRF), a new routine parameter in hematology analyzers, can give an indication of hemopoietic recovery like absolute (...) neutrophil count (ANC). The purpose of this study was to evaluate IRF in excess of 5% was considered as IRF recovery.In this descriptive study, 2.5 to 3 mL of EDTA blood of 45 ALL patients undergoing the remission induction phase of their treatment was sampled and analyzed with a Sysmex XE-5000 on day 1 and every second day thereafter until the day of recovery. ANC of >0.5x109/L on the day corresponding to the first of the three consecutive counts was considered as the day of ANC recovery. IRF recovery

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2016 Turkish Journal of Hematology

4. Effect of Lead Exposure on the Status of Reticulocyte Count Indices among Workers from Lead Battery Manufacturing Plant (PubMed)

Effect of Lead Exposure on the Status of Reticulocyte Count Indices among Workers from Lead Battery Manufacturing Plant Earlier studies conducted on lead-exposed workers have determined the reticulocyte count (RC) (%), but the parameters of Absolute Reticulocyte Count (ARC), Reticulocyte Index (RI), and Reticulocyte Production Index (RPI) were not reported. This study assessed the effect of lead (Pb) exposure on the status of reticulocyte count indices in workers occupied in lead battery plants (...) . The present cross-sectional study was carried out on 391 male lead battery workers. The blood lead levels (BLL) were determined by using an Atomic Absorption Spectrophotometer. The RC (%) was estimated by using the supravital staining method. The parameters, such as ARC, RI, and RPI, were calculated by using the RC (%) with the red cell indices (RBC count and hematocrit). The levels of RBC count and hematocrit were determined by using an ABX Micros ES-60 hematology analyzer. The levels of reticulocyte

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2016 Toxicological research

5. Reticulocyte Count

Reticulocyte Count Reticulocyte Count Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Reticulocyte Count Reticulocyte Count Aka (...) : Reticulocyte Count , Retic Count , Absolute Reticulocyte Count , Reticulocyte Index , Reticulocytopenia , Reticulocytosis From Related Chapters II. Indication III. Contraindications Recent Transfusion (not diagnostic after transfusion) IV. Measures Reticulocyte Count percentage of total erythrocytes Does not correct for degree of Absolute Reticulocyte Count (ARC) Number of s present in 1 mm3 blood ARC = ( %) / 100 * Reticulocyte Index (RI) Adjusts Reticulocyte Count for Reticulocyte Index reflects activity

2018 FP Notebook

6. Determination of reference ranges for immature platelet and reticulocyte fractions and reticulocyte hemoglobin equivalent (PubMed)

normal individuals in a university hospital.Venous blood samples collected in ethylenediaminetetraacetic acid K3 were analyzed using a Sysmex XE-5000™ analyzer. Individuals with platelet and reticulocyte counts within the reference ranges, and a blood count within the laboratory's screening criteria were included. Individuals with clinical conditions that could affect hematological results were excluded. The immature platelet fraction, high, medium and low fluorescence reticulocyte fractions (...) and reticulocyte hemoglobin equivalent were evaluated. The reference ranges were determined according to the recommendations of the International Federation of Clinical Chemistry.One hundred and thirty-two outpatients were evaluated. The mean age was 44 years (range: 13-80 years), 72 (54.5%) were women treated in a university hospital. The mean platelet count was 250.8×109/L and the mean reticulocyte count was 0.052×109/L. The following reference ranges were obtained: immature reticulocyte fraction 1.6-12.1

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2016 Revista brasileira de hematologia e hemoterapia

7. Necessity of Reticulocyte Calibration for More Accurate and Precise Results (PubMed)

Medicine, Chung-Ang University College of Medicine, Seoul, Korea. Kim Hye Ryoun HR Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea. hyekim@cau.ac.kr. eng Comparative Study Letter Korea (South) Ann Lab Med 101571172 2234-3806 IM Calibration Humans Reticulocyte Count instrumentation methods standards Reticulocytes cytology There are no conflicts of interest to declare. 2017 07 15 2017 08 07 2018 01 15 2018 4 4 6 0 2018 4 4 6 0 2019 3 21 6 0 ppublish 29611390 (...) Necessity of Reticulocyte Calibration for More Accurate and Precise Results 29611390 2019 02 20 2019 03 20 2234-3814 38 4 2018 07 Annals of laboratory medicine Ann Lab Med Necessity of Reticulocyte Calibration for More Accurate and Precise Results. 375-377 10.3343/alm.2018.38.4.375 Lim Yong Kwan YK Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea. Chi Hyun Young HY Samkwang Medical Laboratories, Seoul, Korea. Lee Mi Kyung MK Department of Laboratory

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2018 Annals of laboratory medicine

8. Reticulocyte hemoglobin content as an early predictive biomarker of brain iron deficiency. (PubMed)

was compared to 20 iron-sufficient (IS) pups fostered by IS dams. Pups were assessed from P13 to P15 for hemoglobin, hematocrit, reticulocyte count, and Ret-He. Hippocampal iron status was assessed by transferrin receptor-1 (Tfrc-1) and divalent metal transporter-1 (Slc11a2) mRNA expression.At P13, brain iron status was similar between groups; only Ret-He was lower in the PNID group. At P14, the PNID group had lower Ret-He, hematocrit, mean corpuscular volume (MCV), and reticulocyte percentage (RET%). Tfrc (...) Reticulocyte hemoglobin content as an early predictive biomarker of brain iron deficiency. Fetal and neonatal brain iron content is compromised at the time of anemia, suggesting that screening for iron deficiency by measuring hemoglobin is inadequate to protect the brain. Reticulocyte hemoglobin (Ret-He) reflects iron-deficient (ID) erythropoiesis prior to anemia.At postnatal day (P), 10 and 20 iron-sufficient rat pups were fostered to ID dams to produce a postnatal ID (PNID) group, which

2018 Pediatric Research

9. Reticulocyte count and hemoglobin concentration predict survival in candidates for liver transplantation. (PubMed)

Reticulocyte count and hemoglobin concentration predict survival in candidates for liver transplantation. Prognostic scores are used to assess the likelihood of mortality in cirrhosis and the necessity of liver transplantation. These models are imperfect and refinement would allow more accurate prognostication and selection of patients for transplant. This study investigated association of red cell parameters and mortality in liver transplant candidates.Data from patients with cirrhosis (...) follow-up, 151 patients (39%) were transplanted, 138 (36%) died, and 97 (25%) survived without transplant. Abnormal reticulocyte count (P<0.001, c-statistic 0.623) and hemoglobin concentration (P<0.001, c-statistic 0.609) predicted mortality in Cox regression analysis. Abnormal reticulocyte count was also found to predict mortality in competing risk analysis. Refining the Model for End-Stage Liver Disease (MELD) to incorporate reticulocyte count and hemoglobin concentration (MELD-red) improved

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2014 Transplantation

10. Evaluation of the Efficiency of the Reticulocyte Hemoglobin Content on Diagnosis for Iron Deficiency Anemia in Chinese Adults (PubMed)

blood samples were collected to detect complete blood count, including hemoglobin, reticulocyte hemoglobin content, hematocrit, mean cellular volume, corpuscular hemoglobin concentration, hemoglobin content, free erythrocyte protoporphyrin; iron indexes of serum ferritin, serum transferrin receptor, and unsaturated iron-binding capacity; and inflammation markers of C-reactive protein and α-acid glycoprotein. Bone marrow samples were obtained for the bone marrow iron staining, which was used (...) Evaluation of the Efficiency of the Reticulocyte Hemoglobin Content on Diagnosis for Iron Deficiency Anemia in Chinese Adults Our aim was to evaluate the cut-off value and efficiency of using reticulocyte hemoglobin content as a marker to diagnose iron deficiency anemia in Chinese adults. 140 adults who needed bone marrow aspiration for diagnosis at the hematology department of the Peking Union Medical College Hospital were enrolled according to the inclusive and exclusive criteria. Venous

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2017 Nutrients

11. Reticulocyte Hemoglobin Content Helps Avoid Iron Overload in Hemodialysis Patients: A Retrospective Observational Study (PubMed)

for prescribing patients with the appropriate amount of iron.Patients, undergoing hemodialysis, were retrospectively selected from the database and were divided in two groups: group A received intravenous (IV) iron and subcutaneously ESA, and their dosages were adjusted on the basis of the following parameters: Hb, Mean corpuscular haemoglobin (MCH), CHr with consequent MCH/CHr ratio and reticulocyte count determined by the ADVIA 120 Hematology System of Siemens; group B patients were administered IV iron (...) Reticulocyte Hemoglobin Content Helps Avoid Iron Overload in Hemodialysis Patients: A Retrospective Observational Study Anemia in patients suffering from end-stage renal failure is currently treated with Erythropoiesis-Stimulating Agents (ESA). This treatment needs sufficient iron supplementation to avoid an inadequate dosage of ESA. Nowadays modern analytical instruments allow to accurately calculate the content of Hemoglobin (Hb) in reticulocytes (CHr), that can be used as a guide

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2017 In Vivo

12. Development and Evaluation of a Novel In-Clinic Automated Hematology Analyzer, ProCyte Dx, for Canine Erythrocyte Indices, Leukogram, Platelet Counts and Reticulocyte Counts (PubMed)

Development and Evaluation of a Novel In-Clinic Automated Hematology Analyzer, ProCyte Dx, for Canine Erythrocyte Indices, Leukogram, Platelet Counts and Reticulocyte Counts A novel hematology analyzer for small animal medicine, ProCyte Dx, was developed from combination of the fluorescence laser flow cytometry and laminar flow impedance technologies, and its accuracy was evaluated by comparing with the conventional impedance-based hematology analyzer, pocH-100iV Diff, or microscopic manual (...) cell counting methods with staining blood smears in the canine blood. Blood samples of 59 dogs were hematologically analyzed and compared by Pearson's correlation coefficients. Analyses between the two analyzers showed excellent correlation in RBC (r=0.998), HGB (r=0.999), HCT (r=0.998), MCV (r=0.994), MCH (r=0.974), MCHC (r=0.906), WBC (r=0.998) and PLT (r=0.993). Analyses between ProCyte Dx and microscopic manual counting results showed excellent correlation in neutrophils (r=0.920), lymphocytes

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2013 The Journal of Veterinary Medical Science

13. Using Red Cell Indices and Reticulocyte Parameters for Carrier Screening of Various Thalassemia Syndromes (PubMed)

Using Red Cell Indices and Reticulocyte Parameters for Carrier Screening of Various Thalassemia Syndromes Primary screening for thalassemia carriers usually involves an accurate blood count using an automated blood cell analyzer. We analyzed the red cell and reticulocyte parameters from 200 samples of various types of thalassemias and identified the discrimination criteria for differential diagnosis. These were separated into four groups based on genotypes. These groups included α-thalassemia

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2016 Indian Journal of Clinical Biochemistry

14. Interest of the Peak of Reticulocytes in Chronic Hemodialysis Patients Treated by Mircera Hemodialysis Population

blood cells that are temporary present in the blood circulation. They are easily monitored on every automatic dosing machines. Nevertheless, among the dialysis population, they are seldom used and attempt to define a normal reticulocyte level, attesting a correct medullar response to the administrated EPO dose failed due to the timing of blood collection (corresponding to the Nadir day of reticulocytosis). In a preliminary study, it has shown that reticulocyte count kinetics depends on ESA's type (...) Interest of the Peak of Reticulocytes in Chronic Hemodialysis Patients Treated by Mircera Hemodialysis Population Interest of the Peak of Reticulocytes in Chronic Hemodialysis Patients Treated by Mircera Hemodialysis Population - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved

2016 Clinical Trials

15. Usefulness of Reticulocyte Parameters for Diagnosis of Hereditary Spherocytosis in Children (PubMed)

blood count extended with an analysis of reticulocyte parameters were measured using a Beckman Coulter LH 750. The mean sphered corpuscular volume (MSCV) in the group of children with hereditary spherocytosis (HS) was 66.71 ± 8.45 fL, whereas in other anemic patients MSCV was 87.76 ± 11.22 fL, p < 0.0001. In HS children the average mean corpuscular volume of red blood cells was higher than the MSCV value, while an inverse correlation was observed in the group of children with other anemias, p (...)  < 0.0001. A significant difference was found between the ratio of absolute reticulocyte count and IRF fraction (Ret#/IRF)-0.6 ± 0.28 in the HS group and 0.23 ± 0.16 in the non-HS group, respectively. Our results suggest that analysis of reticulocyte parameters is useful in the diagnosis of anemia and should be included in the routine CBC analysis in anemic children.

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2016 Indian Journal of Hematology & Blood Transfusion

16. How useful are complete blood count and reticulocyte reports to clinicians in Addis Ababa hospitals, Ethiopia? (PubMed)

How useful are complete blood count and reticulocyte reports to clinicians in Addis Ababa hospitals, Ethiopia? Complete blood count (CBC) and reticulocyte (Retics) are routine hematology tests useful for the differential diagnosis of anemia and other medical conditions. However, it has been presumed that they are not used as regular as they should be in medical practice in Addis Ababa hospitals.A hospital-based cross-sectional questionnaire survey was conducted during November-December 2010 (...) professional group; interns and residents demonstrated highest use of CBC results. More than a third of clinicians' preferred white blood cell (WBC) differential report in percentages than the more useful absolute number report. Reticulocyte parameters were not being used by majority of clinicians in patient management. Clinicians rated 'average' regarding the adequacy of clinical laboratory methods course they took during medical education. As service users, clinicians indicated mm3 as unit of preference

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2013 BMC Hematology

17. Can the normobaric oxygen paradox (NOP) increase reticulocyte count after traumatic hip surgery? (PubMed)

Can the normobaric oxygen paradox (NOP) increase reticulocyte count after traumatic hip surgery? To determine if the normobaric oxygen paradox (NOP) was effective in increasing reticulocyte count and reducing postoperative requirements for allogeneic red blood cell transfusion after traumatic hip surgery.Prospective, randomized, double blinded, multi-center study.Surgical wards of two academic hospitals.85 ASA physical status 1 and 2 patients undergoing surgery for traumatic hip (...) for 80 patients. On hospital discharge, the mean increase in reticulocyte count was significantly higher in the O2 group than the air group. Percent variation also increased: 184.9% ± 41.4% vs 104.7% ± 32.6%, respectively; P < 0.001. No difference in Hb or Hct levels was noted at discharge. Allogeneic red blood cell transfusion was 7.5% in the O2 group versus 35% in the air group (P = 0.0052). Hospital LOS was significantly shorter in the O2 group than the air group (7.2 ± 0.7 days vs 7.8 ± 1.6 days

2013 Journal of clinical anesthesia Controlled trial quality: uncertain

18. Improved light microscopy counting method for accurately counting Plasmodium parasitemia and reticulocytemia. (PubMed)

Improved light microscopy counting method for accurately counting Plasmodium parasitemia and reticulocytemia. Even with the advances in molecular or automated methods for detection of red blood cells of interest (such as reticulocytes or parasitized cells), light microscopy continues to be the gold standard especially in laboratories with limited resources. The conventional method for determination of parasitemia and reticulocytemia uses a Miller reticle, a grid with squares of different sizes (...) . However, this method is prone to errors if not used correctly and counts become inaccurate and highly time-consuming at low frequencies of target cells. In this report, we outline the correct guidelines to follow when using a reticle for counting, and present a new counting protocol that is a modified version of the conventional method for increased accuracy in the counting of low parasitemias and reticulocytemias. Am. J. Hematol. 91:852-855, 2016. © 2016 Wiley Periodicals, Inc.© 2016 Wiley

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2016 American journal of hematology

19. Reticulocyte Count

Reticulocyte Count Reticulocyte Count Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Reticulocyte Count Reticulocyte Count Aka (...) : Reticulocyte Count , Retic Count , Absolute Reticulocyte Count , Reticulocyte Index , Reticulocytopenia , Reticulocytosis From Related Chapters II. Indication III. Contraindications Recent Transfusion (not diagnostic after transfusion) IV. Measures Reticulocyte Count percentage of total erythrocytes Does not correct for degree of Absolute Reticulocyte Count (ARC) Number of s present in 1 mm3 blood ARC = ( %) / 100 * Reticulocyte Index (RI) Adjusts Reticulocyte Count for Reticulocyte Index reflects activity

2015 FP Notebook

20. Improved alignment of reticulocyte counts between Sysmex XT-2000i instruments. (PubMed)

Improved alignment of reticulocyte counts between Sysmex XT-2000i instruments. Reticulocytes are the most sensitive index available to authorities who seek to sanction athletes for blood doping based on deviations beyond individual reference ranges. Because such data comprise longitudinal results that are generated by different laboratories, the comparability of reticulocyte counts from different instruments is of crucial importance.To enhance between-instrument comparability of reticulocyte (...) counts reported by the Sysmex XT-2000i automated haematology analyser.We optimised recalibration of instruments towards assigned values of control material (e-CHECK) in tandem with fresh blood verification.In terms of reticulocyte counts reported as a percentage of all cells in a fresh blood sample, it was possible to recalibrate all three test instruments so that the mean of 10 samples was within 0.1% of the comparative instrument's mean value.This approach provides a straightforward means

2012 Journal of Clinical Pathology

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