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Marin MJ, van Wijk XMR, Boothe PD, Harris NS, Winter WE. An Introduction to the Complete Blood Count for Clinical Chemists: Red Blood Cells. J Appl Lab Med 2024; 9:1025-1039. [PMID: 38646908 DOI: 10.1093/jalm/jfae031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 03/06/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND The most frequently ordered laboratory test worldwide is the complete blood count (CBC). CONTENT In this primer, the red blood cell test components of the CBC are introduced, followed by a discussion of the laboratory evaluation of anemia and polycythemia. SUMMARY As clinical chemists are increasingly tasked to direct laboratories outside of the traditional clinical chemistry sections such as hematology, expertise must be developed. This review article is a dedication to that effort.
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Affiliation(s)
- Maximo J Marin
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States
| | | | - Paul D Boothe
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States
| | - Neil S Harris
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States
| | - William E Winter
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States
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Gomes RAMP, Catarino L, Santos AL. The Role of Fe, S, P, Ca, and Sr in Porous Skeletal Lesions: A Study on Non-adult Individuals Using pXRF. Biol Trace Elem Res 2024:10.1007/s12011-024-04187-4. [PMID: 38691307 DOI: 10.1007/s12011-024-04187-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 04/12/2024] [Indexed: 05/03/2024]
Abstract
Portable X-ray fluorescence is a new tool in the study of human bone. This research aims to investigate if variations in bone elemental concentrations are related with porous skeletal lesions (PSLs). One hundred well-preserved non-adult skeletons aged 0-11 years were selected from the archaeological site Convent of São Domingos, Lisbon (18th-19th century). Measuring a standard reference material and calculating the technical error of measurement assured elemental data reliability. Moreover, measuring soil samples excluded possible contamination of bones with elements from the soil, except for Pb. Additionally, the Ca/P ratio indicates maintenance of bone integrity. Cribra cranii, orbitalia, humeralis, and femoralis were recorded as present/absent, and the estimated intra-/inter-observer errors were low. The multivariate analysis found higher odds of having cribra orbitalia (OR = 1.76; CI = 0.97-3.20) and cribra femoralis (OR = 1.42; CI = 0.73-2.74) in individuals with lower Fe and higher S. Furthermore, higher levels of P, Ca, and Sr increased the odds of individuals developing cribra femoralis (OR = 2.30; CI = 1.23-4.29). Age also correlated with increased odds of exhibiting cribra orbitalia (OR = 1.86; CI = 0.94-3.68), cribra femoralis (OR = 6.97; CI = 2.78-17.45), and cribra humeralis (OR = 8.32; CI = 2.71-25.60). These findings suggest a shared etiology for these three cribras, contrasting with the higher Fe levels in individuals with cribra cranii. Lower Fe and higher S levels in individuals with cribra suggest a complex etiology, possibly involving conditions like megaloblastic or chronic disease anemia(s). Age-related elemental changes support the hypothesis that age influences cribra frequencies. This study highlights PSL complexity and opens new avenues for research.
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Affiliation(s)
- Ricardo A M P Gomes
- Research Centre for Anthropology and Health (CIAS), Department of Life Sciences, University of Coimbra, Rua Do Arco da Traição, 3000-056, Coimbra, Portugal.
- Carrera de Antropologia, University of Concepción, Barrio Universitário S/N, Concepción, Chile.
| | - Lidia Catarino
- Geosciences Center, Department of Earth Sciences, University of Coimbra, Rua Sílvio Lima - Pólo II, 3030-790, Coimbra, Portugal
| | - Ana Luisa Santos
- Research Centre for Anthropology and Health (CIAS), Department of Life Sciences, University of Coimbra, Rua Do Arco da Traição, 3000-056, Coimbra, Portugal
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Hassan M, Abdayem C, El Daouk S, Matar BF. Correlation of Hemoglobin Level With New Inflammatory Markers in the Emergency Department: A Retrospective Study Exploring Neutrophil-to-Lymphocyte, Monocyte-to-Lymphocyte, Platelet-to-Lymphocyte, and Mean Platelet Volume-to-Platelet Count Ratios. Cureus 2024; 16:e55401. [PMID: 38562344 PMCID: PMC10984368 DOI: 10.7759/cureus.55401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2024] [Indexed: 04/04/2024] Open
Abstract
Background Anemia of chronic disease is known to be associated with inflammation. However, the relationship between hemoglobin (Hb) levels and potential inflammatory markers such as neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), platelet-to-lymphocyte ratio (PLR), and mean platelet volume-to-platelet count ratio (MPV/PC) has not been extensively studied. The primary objective of this retrospective analytical study conducted at Al Zahraa Hospital University Medical Center (ZHUMC), Beirut, was to investigate the correlation between Hb levels and potential inflammatory markers (NLR, MLR, PLR, MPV/PC) in patients visiting the emergency department (ED), across different genders and age groups. The secondary objectives were to compare Hb levels and inflammatory markers values between the referred medical ward group (the hospitalized patients who were admitted to the medical ward), and the non-referred to medical ward group (the patients who were discharged home from the ED), and to evaluate the predictability of inflammatory markers and Hb levels for referral to the medical ward, including the determination of optimal cutoff values for hospital admission to the medical ward. Methods We analyzed the blood parameters of 379 adult patients who presented to the ED with various medical complaints between September 1, 2022, and November 30, 2022 (three months). These patients were included in the study after we checked their eligibility regarding the verification of all our inclusion and exclusion criteria. Results Our findings revealed a significant negative correlation between Hb levels and PLR (r = -0.24) in both genders and across different age groups. The group referred to the medical ward exhibited lower Hb levels and higher NLR, MLR, and PLR values (P < 0.001). NLR/Hb ratio emerged as a predictive factor for admission in genitourinary (R² = 0.158; OR = 5.62) and respiratory groups (R² = 0.206; OR = 5.89), with specific cutoff values of 0.533 (Sensitivity = 57.1% & Specificity = 84.2%) and 0.276 (Sensitivity = 85% & Specificity = 51.1%), respectively. Conclusions Our study demonstrates that hemoglobin level negatively correlates with PLR. NLR, MLR, and PLR stand as important inflammatory markers. Moreover, we present the first study in the literature to show that NLR/Hb ratio can serve as a predictor for referral to the medical ward, particularly in the genitourinary and respiratory patient groups, underscoring its value in risk assessment as a prognostic marker reflecting the need for admission when the case is more serious.
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Affiliation(s)
- Majd Hassan
- Department of Medicine, Faculty of Medical Sciences, Lebanese University, Beirut, LBN
| | - Charbel Abdayem
- Department of Medicine, Faculty of Medical Sciences, Lebanese University, Beirut, LBN
| | - Sarine El Daouk
- Department of Medicine, Faculty of Public Health 1, Lebanese University, Beirut, LBN
| | - Bassam F Matar
- Department of Hematology and Oncology, Lebanese University, Al-Zahraa Hospital University Medical Center, Beirut, LBN
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Koike M, Doi T, Morishita K, Uruno K, Kawasaki-Nabuchi M, Komuro K, Iwano H, Naraoka S, Nagahara D, Yuda S. Impact of Hemoglobin Level, White Blood Cell Count, Renal Dysfunction, and Staphylococcus as the Causative Organism on Prediction of In-Hospital Mortality from Infective Endocarditis. Int Heart J 2024; 65:199-210. [PMID: 38556331 DOI: 10.1536/ihj.23-360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Infective endocarditis (IE) is a highly fatal disease in cases of delayed diagnosis and treatment, although its incidence is low. However, there have been few single-center studies in which the risk of in-hospital death from IE was stratified according to laboratory findings on admission and the organism responsible for IE. In this study, a total of 162 patients who were admitted to our hospital during the period from 2009 to 2021, who were suspected of having IE according to the modified Duke classification, and for whom IE was confirmed by transesophageal echocardiography were retrospectively analyzed. Patients were observed for a mean-period of 43.7 days with the primary endpoint being in-hospital death. The in-hospital death group had a lower level of hemoglobin (Hb), higher white blood cell (WBC) count, lower level of estimated glomerular filtration rate (eGFR), and higher frequency of Staphylococcus being the causative agent than those in the non-in-hospital death group. In overall multivariate analysis, Hb, WBC count, eGFR, and Staphylococcus as the causative agent were identified to be significant prognostic determinants. IE patients with Hb < 10.6 g/dL, WBC count > 1.4 × 104/μL, eGFR < 28.1 mL/minute/1.7 m2, and Staphylococcus as the causative agent had significantly and synergistically increased in-hospital death rates compared to those in other IE patients. Low level of Hb, high WBC count, low eGFR, and Staphylococcus as the causative agent of IE were independent predictors of in-hospital mortality, suggesting that these 4 parameters may be combined to additively stratify the risk of in-hospital mortality.
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Affiliation(s)
| | - Takahiro Doi
- Department of Cardiology, Teine Keijinkai Hospital
| | | | - Kosuke Uruno
- Department of Cardiology, Teine Keijinkai Hospital
| | | | - Kaoru Komuro
- Department of Cardiology, Teine Keijinkai Hospital
| | | | - Syuichi Naraoka
- Department of Cardiovascular Surgery, Teine Keijinkai Hospital
| | | | - Satoshi Yuda
- Department of Cardiology, Teine Keijinkai Hospital
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Cavalcante dos Santos E, Bakos P, Orbegozo D, Creteur J, Vincent JL, Taccone FS. Transfusion increased skin blood flow when initially low in volume-resuscitated patients without acute bleeding. Front Med (Lausanne) 2023; 10:1218462. [PMID: 37859856 PMCID: PMC10582983 DOI: 10.3389/fmed.2023.1218462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 08/17/2023] [Indexed: 10/21/2023] Open
Abstract
Background Alterations in skin blood flow is a marker of inadequate tissue perfusion in critically ill patients after initial resuscitation. The effects of red blood cell transfusions (RBCT) on skin perfusion are not described in this setting. We evaluated the effects of red blood cell transfusions on skin tissue perfusion in critically ill patients without acute bleeding after initial resuscitation. Methods A prospective observational study included 175 non-bleeding adult patients after fluid resuscitation requiring red blood cell transfusions. Using laser Doppler, we measured finger skin blood flow (SBF) at skin basal temperature (SBFBT), together with mean arterial pressure (MAP), heart rate (HR), hemoglobin (Hb), central venous pressure (CVP), lactate, and central or mixed venous oxygen saturation before and 1 h after RBCT. SBF responders were those with a 20% increase in SBFBT after RBCT. Results Overall, SBFBT did not significantly change after RBCT [from 79.8 (4.3-479.4) to 83.4 (4.9-561.6); p = 0.67]. A relative increase equal to or more than 20% in SBFBT after RBCT (SBF responders) was observed in 77/175 of RBCT (44%). SBF responders had significantly lower SBFBT [41.3 (4.3-279.3) vs. 136.3 (6.5-479.4) perfusion units; p < 0.01], mixed or central venous oxygen saturation (62.5 ± 9.2 vs. 67.3% ± 12.0%; p < 0.01) and CVP (8.3 ± 5.1 vs. 10.3 ± 5.6 mmHg; p = 0.03) at baseline than non-responders. SBFBT increased in responders [from 41.3 (4.3-279.3) to 93.1 (9.8-561.6) perfusion units; p < 0.01], and decreased in the non-responders [from 136.3 (6.5-479.4) to 80.0 (4.9-540.8) perfusion units; p < 0.01] after RBCT. Pre-transfusion SBFBT was independently associated with a 20% increase in SBFBT after RBCT. Baseline SBFBT had an area under receiver operator characteristic of 0.73 (95% CI, 0.68-0.83) to predict SBFBT increase; A SBFBT of 73.0 perfusion units (PU) had a sensitivity of 71.4% and a specificity of 70.4% to predict SBFBT increase after RBCT. No significant differences in SBFBT were observed after RBCT in different subgroup analyses. Conclusion The skin blood flow is globally unaltered by red blood cell transfusions in non-bleeding critically ill patients after initial resuscitation. However, a lower SBFBT at baseline was associated with a relative increase in skin tissue perfusion after RBCT.
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Affiliation(s)
- Elaine Cavalcante dos Santos
- Department of Intensive Care Medecine, Erasme University Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
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Li X, Chen Q, Yang X, Li D, Du C, Zhang J, Zhang W. Erythrocyte parameters, anemia conditions, and sex differences are associated with the incidence of contrast-associated acute kidney injury after coronary angiography. Front Cardiovasc Med 2023; 10:1128294. [PMID: 37705686 PMCID: PMC10497172 DOI: 10.3389/fcvm.2023.1128294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 08/17/2023] [Indexed: 09/15/2023] Open
Abstract
Objective Contrast-associated acute kidney injury (CA-AKI) is a critical complication when applying contrast medium, and the risk factors of CA-AKI have not been fully clarified. This study aimed to explore the relationships of CA-AKI with erythrocyte parameters, anemia conditions, and sex differences in patients after coronary angiography (CAG). Methods In this retrospective study, 4,269 patients who underwent CAG were enrolled. CA-AKI was defined as an increase in plasma creatinine of at least 0.5 mg/dl (44 μmol/L) or 25% within 72 h after exposure to the contrast medium. Three erythrocyte parameters, including hemoglobin, hematocrit, and red blood cell (RBC) count, were collected on admission. Logistic regression analyses were used to examine the associations of sex differences and erythrocyte parameters with CA-AKI in the overall population, restricted cubic splines to visualize these associations flexibly. Moreover, stratified and sensitivity analyses were conducted to assess the robustness of the findings. Results Overall, the mean (± standard deviations) age of patients was 67.05 ± 10.77 years, and 759 subjects (17.8%) developed CA-AKI. The results showed L-shaped relationships between erythrocyte parameters and CA-AKI incidence in each model (all P < 0.001). The incidence of CA-AKI was positively associated with the severity of anemia, while it showed no significant differences among the types of anemia. Moreover, female patients undergoing CAG had a higher risk of CA-AKI than male patients. Mediation analysis verified that erythrocyte parameters exerted an indirect effect on the sex differences of CA-AKI incidences. Conclusion In conclusion, females, perioperative anemia conditions, and lower erythrocyte parameters (hemoglobin, hematocrit, and RBC count) were verified as risk factors of CA-AKI in patients undergoing CAG. Furthermore, lower erythrocyte parameters among females exerted indirect effects on the sex differences in CA-AKI incidence.
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Affiliation(s)
- Xihong Li
- Department of Clinical Laboratory, Key Laboratory of Precision Medicine in Diagnosis and Monitoring Research of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qingqing Chen
- Department of Cardiology, Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xinrui Yang
- Department of Cardiology, Hangzhou Lin’an People's Hospital, Hangzhou, China
| | - Duanbin Li
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Changqing Du
- Department of Cardiology, Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Zhang
- Department of Clinical Laboratory, Key Laboratory of Precision Medicine in Diagnosis and Monitoring Research of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenbin Zhang
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Wang Y, Ming J, Guo Z, Zhang W, Li X, Zhou S, Li X, Ma H. Association of serum uric acid with anemia in U.S. adults: a cross-sectional study using secondary data. BMC Cardiovasc Disord 2023; 23:291. [PMID: 37291524 PMCID: PMC10251553 DOI: 10.1186/s12872-023-03291-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/10/2023] [Indexed: 06/10/2023] Open
Abstract
BACKGROUND High serum uric acid (SUA) is a risk factor of cardiovascular disease (CVD). Abnormal SUA have been correlated with a significant increase in mortality. Anemia is an independent predictor of mortality and CVD. To date, no study has investigated the relationship between SUA and anemia. Here, we explored the correlation between SUA and anemia in the American population. METHODS The cross-sectional study involved 9205 US adults from NHANES (2011-2014). The relationship between SUA and anemia was explored using multivariate linear regression models. Two-piecewise linear regression model, generalized additive models (GAM) and smooth curve fitting were performed to explore the non-linear relationships between SUA and anemia. RESULTS We found a U-shaped non-linear relationship between SUA and anemia. The inflection point of the SUA concentration curve was 6.2 mg/dL. The ORs (95% CIs) for anemia on the left and right of the inflection point were 0.86 (0.78-0.95) and 1.33 (1.16-1.52), respectively. The 95% CI of inflection point was 5.9-6.5 mg/dL. The findings showed that both genders presented a U-shaped correlation. Safe ranges of SUA in men and women were 6-6.5 and 4.3-4.6 mg/dL, respectively. CONCLUSIONS Both high and low SUA levels were correlated with increased risk of anemia, and a U-shaped relationship was observed between SUA and anemia.
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Affiliation(s)
- Yingying Wang
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China
| | - Jingjing Ming
- Department of Emergency Trauma Surgery, Jining No.1 People's Hospital, Jining, Shandong, China
| | - Zongyun Guo
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China
| | - Wei Zhang
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China
| | - Xiang Li
- Department of Nephrology, Affiliated Hospital of Jining Medical University, No.6 Jiankang Road, Jining, 272011, Shandong, China
| | - Shengguo Zhou
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China
| | - Xia Li
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China.
| | - Huijuan Ma
- Department of Nephrology, Jining No.1 People's Hospital, Jining, Shandong, China.
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Phylogenetic Analysis and Flower Color Evolution of the Subfamily Linoideae (Linaceae). PLANTS 2022; 11:plants11121579. [PMID: 35736730 PMCID: PMC9231132 DOI: 10.3390/plants11121579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/09/2022] [Accepted: 06/09/2022] [Indexed: 11/17/2022]
Abstract
The taxonomy of the subfamily Linoideae at the intergeneric and section levels has been questioned throughout the years, and the evolution of floral characters remains poorly understood. In particular, the evolution of flower color is still uncertain, despite its ecological importance and being one of the most variable and striking traits in Angiospermae. We evaluated the phylogenetic relationships of the genera and sections and used the phylogeny to reconstruct the ancestral state of flower color. The results suggest reevaluating the taxonomic status of segregated genera and re-incorporating them into Linum. Four of the five sections currently accepted were recovered as monophyletic (Cathartolinum, Dasylinum, Linum, and Syllinum). We propose accepting the section Stellerolinon and reevaluating Linopsis, whose representatives were recovered in three separate clades. The ancestral flower color for Linoideae was yellow-white. The flower colors purple and yellow-white were recovered at the deepest nodes of the two main clades. Pink, blue, and red colors were the most recent to evolve. These results appear to be related to diversification events, biogeographical history, and ecological aspects of the subfamily. Our reconstruction constitutes the first plausible scenario that explores the evolution of flower color, leading to new testable hypotheses for future research on the flax group.
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A Liver Stiffness Measurement-Based Nomogram Predicts Variceal Rebleeding in Hepatitis B-Related Cirrhosis. DISEASE MARKERS 2022; 2022:4107877. [PMID: 35692881 PMCID: PMC9184154 DOI: 10.1155/2022/4107877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 04/03/2022] [Accepted: 04/11/2022] [Indexed: 11/17/2022]
Abstract
Background Cirrhosis esophageal variceal rebleeding is a major complication of chronic cirrhosis. The hepatic venous pressure gradient (HVPG) can predict the risk of rebleeding in patients with cirrhosis and has a good correlation with liver stiffness measurement (LSM). However, there are currently few studies based on liver stiffness to predict the risk of rebleeding in patients with liver cirrhosis. This study is aimed at exploring whether liver stiffness can predict rebleeding in patients with hepatitis B virus-related cirrhosis and developing an easy-to-use nomogram for predicting the risk of rebleeding in patients with liver cirrhosis undergoing secondary prevention. Methods A prospective analysis of 289 cirrhosis patients was performed. Univariate and multivariate analyses were used to identify independent prognostic factors to create a nomogram. The performance of the nomogram was evaluated by using a bootstrapped-concordance index and calibration plots. Results Use of a nonselective beta-blocker (NSBB) drug, LSM, hemoglobin, and platelet count were identified as factors that could predict rebleeding. We created a nomogram for rebleeding in cirrhosis by using these risk factors. The predictive ability of the nomogram was assessed by the C-index (0.772, 95% CI 0.732–0.822). The results of the calibration plots showed that the actual observation and prediction values obtained by the nomogram had good consistency. Conclusions LSM can predict the risk of rebleeding in patients with cirrhosis, while the nomogram is a conventional tool for doctors to facilitate a personalized prognostic evaluation.
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Vignjević Petrinović S, Jauković A, Milošević M, Bugarski D, Budeč M. Targeting Stress Erythropoiesis Pathways in Cancer. Front Physiol 2022; 13:844042. [PMID: 35694408 PMCID: PMC9174937 DOI: 10.3389/fphys.2022.844042] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Cancer-related anemia (CRA) is a common multifactorial disorder that adversely affects the quality of life and overall prognosis in patients with cancer. Safety concerns associated with the most common CRA treatment options, including intravenous iron therapy and erythropoietic-stimulating agents, have often resulted in no or suboptimal anemia management for many cancer patients. Chronic anemia creates a vital need to restore normal erythropoietic output and therefore activates the mechanisms of stress erythropoiesis (SE). A growing body of evidence demonstrates that bone morphogenetic protein 4 (BMP4) signaling, along with glucocorticoids, erythropoietin, stem cell factor, growth differentiation factor 15 (GDF15) and hypoxia-inducible factors, plays a pivotal role in SE. Nevertheless, a chronic state of SE may lead to ineffective erythropoiesis, characterized by the expansion of erythroid progenitor pool, that largely fails to differentiate and give rise to mature red blood cells, further aggravating CRA. In this review, we summarize the current state of knowledge on the emerging roles for stress erythroid progenitors and activated SE pathways in tumor progression, highlighting the urgent need to suppress ineffective erythropoiesis in cancer patients and develop an optimal treatment strategy as well as a personalized approach to CRA management.
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Affiliation(s)
- Sanja Vignjević Petrinović
- Laboratory for Neuroendocrinology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Jauković
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Maja Milošević
- Laboratory for Neuroendocrinology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Diana Bugarski
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Mirela Budeč
- Laboratory for Neuroendocrinology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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Reticulocyte and Erythrocyte Hemoglobin Parameters for Iron Deficiency and Anemia Diagnostics in Patient Blood Management. A Narrative Review. J Clin Med 2021; 10:jcm10184250. [PMID: 34575361 PMCID: PMC8470754 DOI: 10.3390/jcm10184250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/07/2021] [Accepted: 09/16/2021] [Indexed: 01/01/2023] Open
Abstract
Anemia, iron deficiency and other hematinic deficiencies are a major cause of perioperative transfusion needs and are associated with increased morbidity and mortality. Anemia can be caused either by decreased production of hemoglobin or red blood cells or by increased consumption and blood loss. Decreased production can involve anything from erythropoietin or vitamin B12 insufficiency to absolute or functional lack of iron. Thus, to achieve the goal of patient blood management, anemia must be addressed by addressing its causes. The traditional parameters to diagnose anemia, despite offering elaborate options, are not ideally suited to giving a simple overview of the causes of anemia, e.g., iron status for erythropoiesis, especially during the acute phase of inflammation, acute blood loss or iron deficiency. Reticulocyte hemoglobin can thus help to uncover the cause of the anemia and to identify the main factors inhibiting erythropoiesis. Regardless of the cause of anemia, reticulocyte hemoglobin can also quickly track the success of therapy and, together with the regular full blood count it is measured alongside, help in clearing the patient for surgery.
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Youssef SR, Hassan EH, Morad CS, Elazab Elged AA, El-Gamal RA. Erythroferrone Expression in Anemic Rheumatoid Arthritis Patients: Is It Disordered Iron Trafficking or Disease Activity? J Inflamm Res 2021; 14:4445-4455. [PMID: 34522114 PMCID: PMC8434928 DOI: 10.2147/jir.s327465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/19/2021] [Indexed: 12/11/2022] Open
Abstract
Purpose Erythroferrone (ERFE) is well acknowledged for its inhibitory function on hepcidin synthesis in the liver during stress erythropoiesis, thereby ensuring sufficient iron supply to bone marrow erythroblasts. Hepcidin plays an indispensable role in the pathogenesis of anemia of chronic disease (ACD). Thus, ERFE was suggested to protect against ACD in various diseases. Rheumatoid arthritis (RA) is commonly involved with ACD and high hepcidin levels, with a further increase of the latter in active states. The present study is a case-control study that aimed to determine the pattern of ERFE expression in RA patients with concomitant ACD and study its relationship with hepcidin, erythropoietin (EPO) and disease activity. Patients and Methods Fifty-five RA patients with ACD were categorized into active and inactive RA using the disease activity score (DAS28); 15 healthy subjects were included as control subjects. ERFE was measured for patients and control subjects using quantitative real-time polymerase chain reaction, in addition to testing for CBC, ESR, CRP, iron profile parameters and hepcidin. EPO was assessed for patients of both active and inactive RA groups. Results ERFE and hepcidin showed the highest levels in active RA; ERFE values were similar in control subjects and inactive RA patients, while hepcidin was significantly higher in inactive RA than control subjects. Patients with high ERFE levels had higher RBC, Hct, MCV, hepcidin and EPO levels. Stepwise regression analysis has identified DAS28 and disease duration as the best predictors of ERFE values, whereas ERFE and hepcidin were independent predictors of disease activity. Conclusion We introduce ERFE as a novel marker of RA activity. Although the inhibitory effect of ERFE on hepcidin is not evident, our results still indicate that ERFE may have a beneficial erythropoietic effect in the context of ACD in RA disease activity.
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Affiliation(s)
- Soha R Youssef
- Clinical Pathology Department, Ain Shams University, Cairo, Egypt
| | | | - Caroline S Morad
- Internal Medicine and Rheumatology Department, Ain Shams University, Cairo, Egypt
| | - Adel A Elazab Elged
- Clinical Pathology Department, Ain Shams University, Cairo, Egypt.,Galala University, Suez, Egypt
| | - Rasha A El-Gamal
- Clinical Pathology Department, Ain Shams University, Cairo, Egypt
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Anggraeni MD, Fatoni A, Setiyani R. Food Consumption as a Risk Factor of Anemia among Indonesian Pregnant Women: A Cross-sectional Study among Javanese Ethnic Group. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Anemia during pregnancy causes several adverse effects. Furthermore, in Indonesia, this leads to restrictions among pregnant women. The information on this situation is still limited, and more research needs to be conducted.
AIM: Therefore, this study aims to investigate the association between food consumption and anemia among pregnant women.
METHODS: This is a cross-sectional descriptive research that involved 424 pregnant women. Furthermore, written informed consent was obtained from respondents before data collection. A self-administered questionnaire was used to assess the food consumption and demographic data. Hemoglobin concentration was further measured using a haemoglobinometer, and data were analyzed using a descriptive statistical Chi-square, and a Multiple Logistic Regression test.
RESULTS: It was found that half of the respondents suffered from anemia (46.5%). Furthermore, the Multiple Logistic Regression test showed that tea, liver, eggs, and iron consumption with values of (odds ratio [OR] = 5.075, p < 0.001), (OR = 4.128, p < 0.001), (OR = 3.590, p < 0.01), and (OR = 3.837, p < 0.05), respectively, had significant correlations with anemia among pregnant women.
CONCLUSIONS: Anemia is commonly experienced by Indonesian pregnant women. Therefore, health-care providers should focus on preventing anemia in pregnant women by reducing their tea intake and increasing the consumption of iron-rich foods or supplements.
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Sun H, Weaver CM. Decreased Iron Intake Parallels Rising Iron Deficiency Anemia and Related Mortality Rates in the US Population. J Nutr 2021; 151:1947-1955. [PMID: 33834234 DOI: 10.1093/jn/nxab064] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/11/2021] [Accepted: 02/19/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Prevalence of iron deficiency anemia and its related mortality rate are on the rise in the United States and causes are unclear. OBJECTIVES The aim was to examine trends and causes of Fe deficiency anemia prevalence and Fe deficiency-related mortality rates in the total US population. METHODS Changes in daily dietary Fe intake, serum iron concentration, hemoglobin, red cell distribution width (RDW), and mean corpuscular volume (MCV) obtained from the laboratory files of NHANES, Fe deficiency anemia-related mortality rates from the CDC, and iron concentrations of US food products from the USDA between 1999 and 2018 were analyzed. RESULTS Of food items with revised concentrations in USDA Nutrient Database for Standard Reference [SR28 (2015)], 62.4% had lower Fe concentrations than in SR11 (1999). There was a 15.3% reduction in beef (relatively higher in heme iron) and a 21.5% increase in chicken meat consumption in the American diet between 1999 and 2018. Dietary iron intake decreased by ∼6.6% and ∼9.5% for male and female adults, respectively. Increases of prevalence of estimated anemia in the United States ranged from 10.5% to 106% depending on age and sex. Age-adjusted mortality rates with iron deficiency anemia as the underlying cause of death increased from ∼0.04 to ∼0.08 deaths per 100,000 people, whereas all other anemias as the underlying causes of death decreased by ≥25%. Mean RDW and serum folate concentrations increased, whereas hemoglobin, serum iron concentrations, and MCV, parameters traditionally associated with Fe deficiency anemia, decreased during this period. CONCLUSIONS Increased iron deficiency anemia and related mortality rates in the US population between 1999 and 2018 were likely related to the decline in dietary iron intake resulting from an Fe concentration decline in US food products and a shift in dietary patterns.
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Affiliation(s)
- Hongbing Sun
- Health Studies Institute, Rider University, Lawrenceville, NJ, USA.,Department of Geological, Environmental, and Marine Sciences, Rider University, Lawrenceville, NJ, USA
| | - Connie M Weaver
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA.,Weaver & Associates Consulting LLC, West Lafayette, IN, USA
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Noor RA, Abioye AI, Hertzmark E, Darling AM, Aboud S, Mugusi FM, Sudfeld CR, Spiegelman D, Fawzi WW. Impaired Hematological Status Increases the Risk of Mortality among HIV-Infected Adults Initiating Antiretroviral Therapy in Tanzania. J Nutr 2020; 150:2375-2382. [PMID: 32621487 PMCID: PMC7540061 DOI: 10.1093/jn/nxaa172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/06/2020] [Accepted: 05/26/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Hematological status may predict HIV disease progression and mortality among adults initiating highly active antiretroviral therapy (HAART). OBJECTIVES We aimed to examine the relation of anemia and iron status at HAART initiation with survival and morbidity outcomes. METHODS We conducted a case-cohort study of 570 HIV-infected adults initiating HAART who were enrolled in a trial of multivitamins in Tanzania. Hemoglobin, serum ferritin, and hepcidin concentrations were assessed at HAART initiation and participants were followed up monthly. We adjusted serum ferritin for inflammation using a regression correction method to characterize hematological status. Cox proportional hazards models were used to estimate HRs for mortality and incident clinical outcomes. RESULTS We found an 83% prevalence of anemia, 15% prevalence of iron deficiency anemia, and 66% prevalence of anemia of chronic diseases (ACD). The prevalence of elevated iron was 33% and 19% had iron deficiency (ID). After multivariate adjustment, severe anemia (HR: 2.57; 95% CI: 1.49, 4.45) and ACD (HR: 4.71; 95% CI: 2.91, 7.62) were associated with increased risk of mortality as compared with nonanemic participants. In addition, both ID (HR: 2.65; 95% CI: 1.08, 7.78) and elevated iron (HR: 2.83; 95% CI: 2.10, 3.82) were associated with increased risk of mortality as compared with normal iron concentrations. Severe anemia and elevated iron concentrations were associated with incident wasting and >10% weight loss (P values <0.05). CONCLUSIONS Anemia and both ID and elevated iron were associated with increased mortality among HIV-infected adults initiating HAART. Safety and efficacy studies including anemia etiology, timing of HAART initiation, and dose of iron supplementation among HIV patients appear warranted.This trial was registered at clinicaltrials.gov as NCT00383669.
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Affiliation(s)
| | - Ajibola I Abioye
- Department of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Ellen Hertzmark
- Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Anne M Darling
- Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Said Aboud
- Department of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Ferdinand M Mugusi
- Department of Internal Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Christopher R Sudfeld
- Department of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Donna Spiegelman
- Department of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Biostatistics, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Wafaie W Fawzi
- Department of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA,Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA
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Anemia of Chronic Diseases: Wider Diagnostics-Better Treatment? Nutrients 2020; 12:nu12061784. [PMID: 32560029 PMCID: PMC7353365 DOI: 10.3390/nu12061784] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/29/2020] [Accepted: 06/10/2020] [Indexed: 12/13/2022] Open
Abstract
Anemia of chronic diseases is a condition that accompanies a specific underlying disease, in which there is a decrease in hemoglobin, hematocrit and erythrocyte counts due to a complex process, usually initiated by cellular immunity mechanisms and pro-inflammatory cytokines and hepcidin. This is the second most common type of anemia after iron deficiency anemia in the world. Its severity generally correlates with the severity of the underlying disease. This disease most often coexists with chronic inflammation, autoimmune diseases, cancer, and kidney failure. Before starting treatment, one should undertake in-depth diagnostics, which includes not only assessment of complete blood count and biochemical parameters, but also severity of the underlying disease. The differential diagnosis of anemia of chronic diseases is primarily based on the exclusion of other types of anemia, in particular iron deficiency. The main features of anemia of chronic diseases include mild to moderate lowering of hemoglobin level, decreased percentage of reticulocyte count, low iron and transferrin concentration, but increased ferritin. Due to the increasingly better knowledge of the pathomechanism of chronic diseases and cancer biology, the diagnosis of this anemia is constantly expanding with new biochemical indicators. These include: the concentration of other hematopoietic factors (folic acid, vitamin B12), hepcidin, creatinine and erythropoietin. The basic form of treatment of anemia of chronic diseases remains supplementation with iron, folic acid and vitamin B12 as well as a diet rich in the above-mentioned hematopoietic factors. The route of administration (oral, intramuscular or intravenous) requires careful consideration of the benefits and possible side effects, and assessment of the patient’s clinical status. New methods of treating both the underlying disease and anemia are raising hopes. The novel methods are associated not only with supplementing deficiencies, but also with the administration of drugs molecularly targeted to specific proteins or receptors involved in the development of anemia of chronic diseases.
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Leukocyte telomere length in patients with transfusion-dependent thalassemia. BMC Med Genomics 2020; 13:73. [PMID: 32487251 PMCID: PMC7268254 DOI: 10.1186/s12920-020-00734-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 05/25/2020] [Indexed: 11/10/2022] Open
Abstract
Background Thalassemia is a hereditary hemolytic anemia with a severity ranging from mild, non-transfusion dependent to severe chronic anemia requiring lifelong transfusion. Transfusional iron overload is a major complication in patients with transfusion-dependent thalassemia (TDT). Telomeres are sequences of nucleotides forming the end caps of chromosomes that act as a DNA repair system. Iron overload in thalassemia can cause increased oxidative stress which leads to cellular damage and senescence. This may result in telomere length shortening. The degree of telomere length shortening may reflect the severity of thalassemia. Methods This research aimed to study the leukocyte telomere length in patients with TDT in comparison to non-thalassemic individuals and to identify the clinical and laboratory parameters that are associated with telomere length. We conducted a cross-sectional study in patients with TDT aged ≥18 years. Leukocyte telomere length was measured by real-time quantitative PCR. Results Sixty-five patients with TDT were enrolled onto the study. There were 37 female patients (54.4%). The median age was 27 (18–57) years, and mean pre-transfusion hemoglobin level was 7.1 (± 1.07) g/dL. The mean telomere to single copy gene (T/S) ratios of patients with TDT and the controls were 0.72 ± 0.18 and 0.99 ± 0.25, respectively (p < 0.0001). There was a significant correlation between the T/S ratio and age (p = 0.0002), and hemoglobin level (p = 0.044). There was no correlation between telomere length and other factors. Conclusions Our study showed that TDT patients had shorter leukocyte telomere length compared with controls. Leukocyte telomere shortening in TDT was an aging-dependent process and associated with lower hemoglobin level.
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Fogagnolo A, Taccone FS, Vincent JL, Benetto G, Cavalcante E, Marangoni E, Ragazzi R, Creteur J, Volta CA, Spadaro S. Using arterial-venous oxygen difference to guide red blood cell transfusion strategy. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2020; 24:160. [PMID: 32312299 PMCID: PMC7171832 DOI: 10.1186/s13054-020-2827-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 03/06/2020] [Indexed: 01/28/2023]
Abstract
Background Guidelines recommend a restrictive red blood cell transfusion strategy based on hemoglobin (Hb) concentrations in critically ill patients. We hypothesized that the arterial-venous oxygen difference (A-V O2diff), a surrogate for the oxygen delivery to consumption ratio, could provide a more personalized approach to identify patients who may benefit from transfusion. Methods A prospective observational study including 177 non-bleeding adult patients with a Hb concentration of 7.0–10.0 g/dL within 72 h after ICU admission. The A-V O2diff, central venous oxygen saturation (ScvO2), and oxygen extraction ratio (O2ER) were noted when a patient’s Hb was first within this range. Transfusion decisions were made by the treating physician according to institutional policy. We used the median A-V O2diff value in the study cohort (3.7 mL) to classify the transfusion strategy in each patient as “appropriate” (patient transfused when the A-V O2diff > 3.7 mL or not transfused when the A-V O2diff ≤ 3.7 mL) or “inappropriate” (patient transfused when the A-V O2diff ≤ 3.7 mL or not transfused when the A-V O2diff > 3.7 mL). The primary outcome was 90-day mortality. Results Patients managed with an “appropriate” strategy had lower mortality rates (23/96 [24%] vs. 36/81 [44%]; p = 0.004), and an “appropriate” strategy was independently associated with reduced mortality (hazard ratio [HR] 0.51 [95% CI 0.30–0.89], p = 0.01). There was a trend to less acute kidney injury with the “appropriate” than with the “inappropriate” strategy (13% vs. 26%, p = 0.06), and the Sequential Organ Failure Assessment (SOFA) score decreased more rapidly (p = 0.01). The A-V O2diff, but not the ScvO2, predicted 90-day mortality in transfused (AUROC = 0.656) and non-transfused (AUROC = 0.630) patients with moderate accuracy. Using the ROC curve analysis, the best A-V O2diff cutoffs for predicting mortality were 3.6 mL in transfused and 3.5 mL in non-transfused patients. Conclusions In anemic, non-bleeding critically ill patients, transfusion may be associated with lower 90-day mortality and morbidity in patients with higher A-V O2diff. Trial registration ClinicalTrials.gov, NCT03767127. Retrospectively registered on 6 December 2018.
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Affiliation(s)
- Alberto Fogagnolo
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Jean Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Giulia Benetto
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy
| | - Elaine Cavalcante
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Elisabetta Marangoni
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy
| | - Riccardo Ragazzi
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy
| | - Jacques Creteur
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Carlo Alberto Volta
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy
| | - Savino Spadaro
- Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy.
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Taderegew MM, Gebremariam T, Tareke AA, Woldeamanuel GG. Anemia and Its Associated Factors Among Type 2 Diabetes Mellitus Patients Attending Debre Berhan Referral Hospital, North-East Ethiopia: A Cross-Sectional Study. J Blood Med 2020; 11:47-58. [PMID: 32104127 PMCID: PMC7023873 DOI: 10.2147/jbm.s243234] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 02/04/2020] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Anemia is one of the common complications of diabetes mellitus (DM), which has an adverse effect on the progression and development of other diabetes-related complications. In spite of this, relatively little information is available on the prevalence of anemia and associated factors among type 2 diabetes mellitus (T2DM) patients in Ethiopia, particularly in the study area. Thus, this study assessed the prevalence of anemia and associated factors among T2DM patients at Debre Berhan Referral Hospital (DBRH), North-East, Ethiopia. PATIENTS AND METHODS A hospital-based cross-sectional study was conducted from April 1 to May 30, 2019, among 249 T2DM patients with follow up at DBRH, selected using a systematic random sampling technique. Data were collected by face-to-face interviews, anthropometric measurements, and laboratory tests; such as hemoglobin measurements, red blood indices, and serum creatinine analysis. The data were coded and entered into Epi-data manager version 4.4.1.0, and analysis by using SPSS version 22 was carried out. To identify the determinant factors of anemia, bivariate and multivariate logistic regression analyses were performed. P-value <0.05 was considered as statistically significant. RESULTS The study showed 20.1% of the participants were anemic. Being age >60 years (AOR=3.06, 95% CI: 1.32-7.11), poor glycemic control (AOR=2.95, 95% CI: 1.22-7.15), eGFR 60-89.9 mL/min/1.73m2 (AOR=2.91, 95% CI: 1.15-7.37), eGFR <60 mL/min/1.73m2 (AOR=6.58, 95% CI: 2.42-17.93), DM duration >10 years (AOR= AOR=2.75, 95% CI: 1.17-6.48), and having diabetic complications (AOR=3.81, 95% CI: 1.65-8.81) were significantly associated with anemia. CONCLUSION One out of five T2DM patients had anemia. Poor glycemic control, decreased eGFR, presence of DM complications, duration of DM >10 years, and age >60 years were significantly associated with the occurrence of anemia among T2DM. Regular screening for anemia in all T2DM patients may help in the early detection and management of anemia.
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Affiliation(s)
- Mitku Mammo Taderegew
- Department of Biomedical Sciences, College of Medicine and Health Sciences, Wolkite University, Wolkite, Ethiopia
| | - Tewodros Gebremariam
- Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Amare Abera Tareke
- Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Gashaw Garedew Woldeamanuel
- Department of Biomedical Sciences, College of Medicine and Health Sciences, Wolkite University, Wolkite, Ethiopia
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Hasanin AH, Mohamed RH. Telmisartan alone or in combination with etanercept improves anemia associated with rheumatoid arthritis in rats: a possible role of anti-inflammatory and reno-protective effects. Pharmacol Rep 2020; 72:379-388. [PMID: 32048253 DOI: 10.1007/s43440-019-00033-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/21/2019] [Accepted: 10/16/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND There are conflicting data regarding angiotensin receptor blockers (ARBs) induced anemia and its beneficial anti-inflammatory effect in rheumatoid arthritis. The aim of the present study was to investigate the effect of telmisartan administration either alone or in combination with etanercept on anemia of chronic inflammatory diseases in a model of rheumatoid arthritis in rats. METHODS Rheumatoid arthritis (RA) was induced by Freund's Complete Adjuvant (FCA; 1 mg/0.1 ml paraffin oil), injected subcutaneously on days 0, 30 and 40. Rats with RA received dimethyl sulfoxide (DMSO), etanercept (0.3 mg/kg 3 times/week; sc), telmisartan (1.5 mg/kg/day; orally) or combination of etanercept and telmisartan. Arthritis parameters (footpad circumference change and paw volume change), erythrocyte indices (hemoglobin, mean corpuscular volume and mean corpuscular hemoglobin level changes), iron profile (serum iron and serum ferritin), serum levels of erythropoietin (EPO), hepcidin, tumor necrosis factor-alpha (TNF-α) and interleukin (IL)-6 were evaluated, along with measuring serum urea and creatinine levels. RESULTS All treated groups showed improvement of the measured parameters in comparison to RA-control subgroup. Telmisartan either alone or in combination with etanercept significantly improved arthritis and erythrocyte indices. Telmisartan showed significant increase in EPO and decrease in hepcidin compared to etanercept. Combination group showed significant improvement in serum iron, ferritin, EPO, hepcidin, TNF-α, IL-6, urea and creatinine, compared to etanercept. Telmisartan either alone or in combination, but not etanercept alone, significantly decreased creatinine level. CONCLUSION Telmisartan improved anemia and arthritis parameters and showed anti-inflammatory and reno-protective effects, in a rat model of rheumatoid arthritis.
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Affiliation(s)
- Amany H Hasanin
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Abbasia, Cairo, Egypt
| | - Reham Hussein Mohamed
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Abbasia, Cairo, Egypt.
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Abdullah N, Ahmed A. Growth-differentiation factor-15 expression in anemia of chronic disease and iron-deficiency anemia. IRAQI JOURNAL OF HEMATOLOGY 2020. [DOI: 10.4103/ijh.ijh_7_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Compliance with Weekly Iron and Folic Acid Supplementation and Its Associated Factors among Adolescent Girls in Tamale Metropolis of Ghana. J Nutr Metab 2019; 2019:8242896. [PMID: 31885910 PMCID: PMC6927017 DOI: 10.1155/2019/8242896] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 11/02/2019] [Accepted: 11/29/2019] [Indexed: 11/17/2022] Open
Abstract
Background In Ghana, anaemia is a severe public health problem among adolescent girls. In an attempt to deal with this phenomenon, Ghana Ministry of Health in collaboration with other development partners developed and launched weekly iron and folic acid supplementation program for adolescent girls in Ghanaian junior high schools. Therefore, the main aim of this study was to determine the level of compliance with iron and folic acid supplementation (IFAS) and its associated factors among adolescent girls in the Tamale Metropolis of Ghana. Methods A cross-sectional study was conducted among 424 randomly sampled adolescent girls in the Tamale Metropolis of Ghana from April to July 2019 using an interviewer-administered structured questionnaire. Twenty school health coordinators were purposively selected to answer questions on the challenges they face in implementing the IFAS program at the school level. Bivariate logistic regression and multivariate logistic regression were used to determine associations and strength of associations, respectively, at a significant threshold of p < 0.05. Results Compliance with the IFAS was low (26.2%). Adolescent girls who were aware of anaemia (AOR = 3.57 (95% CI: 1.96, 6.51) p < 0.01), had good knowledge of anaemia (AOR = 1.82 (95% CI: 1.17, 2.81) p=0.01), and had good knowledge of the IFAS program (AOR = 2.29 (95% CI: 1.47, 3.57) p < 0.01) were significantly associated with compliance with the IFAS. The majority (60%) of the adolescent girls have ever missed taking the iron and folic acid (IFA) tablet because it was not issued to them by the teacher's concern while about 48.3% (169) of the adolescent girls are taking the tablet because it prevents anaemia. Adolescent girls perceiving the tablet as family planning medicine (88.8%) and unavailability of water in classrooms (18.8%) were cited as the major challenges by school health coordinators. Conclusion Compliance with the IFAS among adolescent girls was low. Level of education and occupation of mothers of adolescent girls, awareness on anaemia, and good knowledge of anaemia and of the IFAS program were significant predictors of compliance with the IFAS. Educating the adolescent girls on anaemia and benefits of the IFAS, constant supply of the IFA tablet, and engaging parents of the adolescent girls on the program will help improve the compliance level of the adolescent girls with the IFAS.
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Luthra S, Grover HS, Singh A, Lall A, Masamatti SS. Comparative evaluation of C-reactive protein and complete blood count in chronic periodontitis patients following Phase I therapy: A serological and hematological study. J Indian Soc Periodontol 2019; 23:525-533. [PMID: 31849397 PMCID: PMC6906908 DOI: 10.4103/jisp.jisp_639_18] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Periodontitis is an example of persistent low-grade disease. The primary cause for the disease is anaerobic gram-negative bacteria thriving in a protective biofilm in subgingival periodontal pockets. The treatment of this infection is removal of these deposits by mechanical instrumentation (Phase I therapy). This can help achieve reduction of the bacterial load thus suppressing localized inflammation. Phase I therapy or mechanical debridement of the subgingival area causes a severe transient bacteremia along with some damage to the surrounding soft tissue, resulting in a systemic inflammatory response being elicited. The objective of the current study was to comparatively assess periodontal parameters, serum C-reactive protein (CRP) levels, and transitory alterations in hematological parameters; in 30-systemically healthy patients having chronic periodontitis, before and after Phase I therapy. Materials and Method The individuals underwent an intensive session of mechanotherapy with ultrasonic scalers. Blood samples were taken before treatment and at 1, 7, and 30 days after treatment to assess the parameters. Results There was a clear recuperation in periodontal parameters as well as marked improvement in the values of CRP and complete blood count (CBC) by 30 days after transient alterations occurring initially. Conclusion Phase I (mechanotherapy) - the first step in treatment of periodontitis leads to transient bacteremia by systemic dispersal of bacteria harbored in dental plaque. This produces an acute-phase response resulting in variations in the levels of CRP and the CBC counts. After a month, both periodontal and hematological parameters show marked improvement, thus establishing periodontal health and decreasing the risk of inadvertent cardiovascular or thromboembolic episode.
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Affiliation(s)
| | - Harpreet Singh Grover
- Department of Periodontics & Oral Implantology, SGT Dental College, Gurugram, Haryana, India
| | - Alka Singh
- Department of Biochemistry, SGT Medical College, Gurugram, Haryana, India
| | - Adosh Lall
- Department of Periodontics & Oral Implantology, SGT Dental College, Gurugram, Haryana, India
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Sharif Usman S, Dahiru M, Abdullahi B, Abdullahi SB, Maigari UM, Ibrahim Uba A. Status of malondialdehyde, catalase and superoxide dismutase levels/activities in schoolchildren with iron deficiency and iron-deficiency anemia of Kashere and its environs in Gombe State, Nigeria. Heliyon 2019; 5:e02214. [PMID: 31428716 PMCID: PMC6695283 DOI: 10.1016/j.heliyon.2019.e02214] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 05/02/2019] [Accepted: 06/25/2019] [Indexed: 12/31/2022] Open
Abstract
Background Iron-deficiency anemia (IDA) or iron deficiency (ID) is by far the most common form of disorder affecting the cognitive development, physical growth and school performance of children in developing countries including Nigeria. Objectives In the present study, we aimed to examine whether IDA or ID, or both are associated with oxidative stress or otherwise by assessing the perturbations in oxidative stress markers including malondialdehyde (MDA), catalase (CAT) and superoxide dismutase (SOD). Methods Here, a total of eighty-one IDA, ID, and healthy control subjects of twenty-seven replicates each, were recruited and investigated. Human serum MDA, CAT and SOD levels were quantitatively analyzed using Enzyme-Linked Immunosorbant Assay. Results Mean serum MDA levels of IDA (5.10 ± 2.35 mmol/L) and ID (4.05 ± 1.35 mmol/L) groups were found to perturb significantly (p < 0.05), being higher than those of control (3.30 ± 0.95 mmol/L) subjects. Similarly, mean serum MDA levels of IDA (5.10 ± 2.35 mmol/L) group was found to be significantly (p < 0.05) higher when compared with ID (4.05 ± 1.35 mmol/L) subjects. Conversely, mean serum CAT and SOD activities of IDA (8.35 ± 2.21 ng/mL and 340.70 ± 153.65 ng/mL) group were found to differ significantly (p < 0.05), and those of ID (9.40 ± 1.47 ng/mL and 435.00 ± 144.75 ng/mL) subjects were found to perturb slightly (p > 0.05), being lower than those of control (10.40 ± 4.31 ng/mL and 482.12 ± 258.37 ng/mL) subjects. Conclusions Taken together, the results of the present study showed that lipid peroxidation was dramatically increased in both IDA and ID subjects in hydroperoxide-superoxide-dependent manner; in contrast, enzymatic antioxidant capacity was drastically decreased in both IDA and ID groups as evidenced by biochemical markers.
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Affiliation(s)
- Sani Sharif Usman
- Department of Biological Sciences, Faculty of Science, Federal University of Kashere, P.M.B. 0182, Gombe, Nigeria
| | - Musa Dahiru
- Department of Biological Sciences, Faculty of Science, Federal University of Kashere, P.M.B. 0182, Gombe, Nigeria
| | - Bashir Abdullahi
- Department of Educational Foundations, Faculty of Education, Federal University of Kashere, Gombe, Nigeria
| | | | | | - Abdullahi Ibrahim Uba
- Department of Bioinformatics and Genetics, Graduate School of Science and Engineering, Kadir Has University, Istanbul, Turkey
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Zaccherini G, Baldassarre M, Bartoletti M, Tufoni M, Berardi S, Tamè M, Napoli L, Siniscalchi A, Fabbri A, Marconi L, Antognoli A, Iannone G, Domenicali M, Viale P, Trevisani F, Bernardi M, Caraceni P. Prediction of nosocomial acute-on-chronic liver failure in patients with cirrhosis admitted to hospital with acute decompensation. JHEP Rep 2019; 1:270-277. [PMID: 32039378 PMCID: PMC7001573 DOI: 10.1016/j.jhepr.2019.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 07/04/2019] [Accepted: 07/18/2019] [Indexed: 12/22/2022] Open
Abstract
Nosocomial acute-on-chronic liver failure (nACLF) develops in at least 10% of patients with cirrhosis hospitalized for acute decompensation (AD), greatly worsening their prognosis. In this prospective observational study, we aimed to identify rapidly obtainable predictors at admission, which allow for the early recognition and stratification of patients at risk of nACLF. Methods A total of 516 consecutive patients hospitalized for AD of cirrhosis were screened: those who did not present ACLF at admission (410) were enrolled and surveilled for the development of nACLF. Results Fifty-nine (14%) patients developed nALCF after a median of 7 (IQR 4-18) days. At admission, they presented a more severe disease and higher degrees of systemic inflammation and anemia than those (351; 86%) who remained free from nACLF. Competing risk multivariable regression analysis showed that baseline MELD score (sub-distribution hazard ratio [sHR] 1.15; 95% CI 1.10-1.21; p ≪0.001), hemoglobin level (sHR 0.81; 95% CI 0.68-0.96; p = 0.018), and leukocyte count (sHR 1.11; 95% CI 1.06-1.16; p ≪0.001) independently predicted nACLF. Their optimal cut-off points, determined by receiver-operating characteristic curve analysis, were: 13 points for MELD score, 9.8 g/dl for hemoglobin, and 5.6x109/L for leukocyte count. These thresholds were used to stratify patients according to the cumulative incidence of nACLF, being 0, 6, 21 and 59% in the presence of 0, 1, 2 or 3 risk factors (p ≪0.001). Nosocomial bacterial infections only increased the probability of developing nACLF in patients with at least 1 risk factor, rising from 3% to 29%, 16% to 50% and 52% to 83% in patients with 1, 2 or 3 risk factors, respectively. Conclusions Easily available laboratory parameters, related to disease severity, systemic inflammation, and anemia, can be used to identify, at admission, hospitalized patients with AD at increased risk of developing nACLF. Lay summary More than 10% of patients with cirrhosis hospitalized because of an acute decompensation develop acute-on-chronic liver failure, which is associated with high short-term mortality, during their hospital stay. We found that the combination of 3 easily obtainable variables (model for end-stage liver disease score, leukocyte count and hemoglobin level) help to identify and stratify patients according to their risk of developing nosocomial acute-on-chronic liver failure, from nil to 59%. Moreover, if a nosocomial bacterial infection occurs, such an incidence proportionally increases from nil to 83%. This simple approach helps to identify patients at risk of developing nosocomial acute-on-chronic liver failure at admission to hospital, enabling clinicians to put in place preventive measures.
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Affiliation(s)
- Giacomo Zaccherini
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Maurizio Baldassarre
- Department of Medical and Surgical Sciences - University of Bologna, Italy.,Centre for Applied Biomedical Research (CRBA), University of Bologna, Italy
| | - Michele Bartoletti
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Manuel Tufoni
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Sonia Berardi
- U.O. Internal Medicine and Organ Failure - S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Mariarosa Tamè
- U.O. Gastroenterology - S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Lucia Napoli
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Antonio Siniscalchi
- S.S.D. Intensive Care of Abdominal Transplantation and Liver Surgery - S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Angela Fabbri
- U.O. Internal Medicine, Infermi Hospital of Rimini, Area Vasta Romagna (AVR) Rimini, Italy
| | - Lorenzo Marconi
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Agnese Antognoli
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Giulia Iannone
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Marco Domenicali
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Pierluigi Viale
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Franco Trevisani
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Mauro Bernardi
- Department of Medical and Surgical Sciences - University of Bologna, Italy
| | - Paolo Caraceni
- Department of Medical and Surgical Sciences - University of Bologna, Italy.,Centre for Applied Biomedical Research (CRBA), University of Bologna, Italy
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Agus Somia IK, Merati TP, Bakta IM, Putra Manuaba IB, Yasa WPS, Sukrama IDM, Suryana K, Wisaksana R. High levels of serum IL-6 and serum hepcidin and low CD4 cell count were risk factors of anemia of chronic disease in HIV patients on the combination of antiretroviral therapy. HIV AIDS-RESEARCH AND PALLIATIVE CARE 2019; 11:133-139. [PMID: 31213927 PMCID: PMC6549426 DOI: 10.2147/hiv.s195483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 03/05/2019] [Indexed: 01/01/2023]
Abstract
Purpose: This study aimed to determine whether high levels of serum IL-6 and serum hepcidin and CD4<350 cells/ul were risk factors for the anemia of chronic disease (ACD) in HIV-infected patients on the combination of antiretroviral (cARV) therapy with successful clinically and immunological responses. Patients and Methods: A matched case–control study was conducted in the VCT clinic of Sanglah General Hospital, Indonesia, between January 1 and September 1, 2016. The case group was HIV patients with ACD, while the control group was HIV patients without ACD. Purposive consecutive sampling was employed in HIV patients aged 15–65 years who have received cARV therapy for >6 months, had >95% adherence of cARV within 6 months, did not have any clinical failure, did not have any immunological failure and did not receive switch therapy within 6 months. Chi-square test and logistic regression analysis were performed. Results: A total of 42 cases and 42 controls were included in this study. Significant differences were found between case and control, which included serum IL-6, serum hepcidin, smoking, creatinine clearance, anemia at the initiation of cARV, CD4 at the initiation of cARV and actual CD4 (cell/µL). High levels of serum IL-6, high levels of serum hepcidin and CD4< 350 cells/µl were risk factors for ACD. After adjusted with anemia at cARV initiation and BMI, we found that high levels of serum IL-6 (adjusted OR: 17.682; 95% CI: 3.442–90.826), high levels of serum hepcidin (adjusted OR: 10.562; 95% CI: 2.531–44.076) and CD4 <350 cells/µl (adjusted OR: 4.181; 95% CI: 5.6–12.381) remain as risk factors for ACD. Conclusion: High levels of serum IL-6, high levels of serum hepcidin and CD4 count <350 cells/µL were risk factors for ACD in HIV patients with cARV therapy.
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Affiliation(s)
- I Ketut Agus Somia
- Division of Tropical and Infectious Disease, Department of Internal Medicine, Udayana University-Sanglah Hospital, Denpasar, Bali, Indonesia
| | - Tuti Parwati Merati
- Division of Tropical and Infectious Disease, Department of Internal Medicine, Udayana University-Sanglah Hospital, Denpasar, Bali, Indonesia
| | - I Made Bakta
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Udayana University-Sanglah Hospital, Denpasar, Bali, Indonesia
| | - Ida Bagus Putra Manuaba
- Chemistry Department, Faculty of Math and Science, Udayana University, Denpasar, Bali, Indonesia
| | - Wayan Putu Sutirta Yasa
- Department of Clinical Pathology, Udayana University- Sanglah Hospital, Denpasar, Bali, Indonesia
| | - I Dewa Made Sukrama
- Department of Clinical Microbiology, Udayana University-Sanglah Hospital, Denpasar, Bali, Indonesia
| | - Ketut Suryana
- Division of Allergy and Immunology, Department of Internal Medicine, Udayana University-Wangaya Hospital, Denpasar, Bali, Indonesia
| | - Rudi Wisaksana
- Division of Tropical and Infectious Disease, Department of Internal Medicine, Padjajaran University, Bandung, West Java, Indonesia
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Lee YG, Chang Y, Kang J, Koo DH, Lee SS, Ryu S, Oh S. Risk factors for incident anemia of chronic diseases: A cohort study. PLoS One 2019; 14:e0216062. [PMID: 31059543 PMCID: PMC6502324 DOI: 10.1371/journal.pone.0216062] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 04/12/2019] [Indexed: 12/14/2022] Open
Abstract
Objective Anemia of chronic disease (ACD) refers to hypoproliferative anemia in the context of acute or chronic activation of the immune system. There is a paucity of prospective data addressing the risk factors for ACD development. An association between common chronic diseases and ACD was examined cross-sectionally and longitudinally. Method A cohort of 265,459 healthy participants without ACD at baseline were prospectively followed annually or biennially. Results During average follow-up period of 62 months, 4,906 participants developed ACD (incidence rate 3.58 per 1000 person-years). Multivariable-adjusted hazard ratio (HR) [95% confidence interval (CI)] for incident ACD comparing estimated glomerular filtration rate 30–60 and < 30 vs. ≥ 60 ml/min/1.73 m2 were 3.93 [3.18–4.85] and 39.11 [18.50–82.69]; HRs [95% CI] for ACD comparing prediabetes and diabetes vs. normal were 1.19 [1.12–1.27] and 2.46 [2.14–2.84], respectively. HRs [95% CI] for incident ACD comparing body-mass-index (BMI) of < 18.5, 23–24.9 and ≥ 25 vs. 18.5–22.9 kg/m2 were 0.89 [0.78–1.00], 0.89 [0.80–0.99] and 0.78 [0.66–0.91], respectively. HRs [95% CI] for incident ACD comparing prehypertension and hypertension vs. normal were 0.79 [0.73–0.86] and 1.10 [0.99–1.23], respectively. Metabolic syndrome, hypertension, chronic liver disease, and chronic obstructive pulmonary disease were not associated with incident ACD. Conclusions The severity of chronic kidney disease and diabetic status were independently associated with an increased incidence of ACD, whereas prehypertension and an increasing BMI were significantly associated with decreased risk of ACD.
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Affiliation(s)
- Yun-Gyoo Lee
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yoosoo Chang
- Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea
- Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea
| | - Jihoon Kang
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Dong-Hoe Koo
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung-Sei Lee
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seungho Ryu
- Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea
- Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea
| | - Sukjoong Oh
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
- * E-mail: ,
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Sharma D, Suri V, Pannu AK, Attri SV, Varma N, Kochhar R, Varma S, Kumari S. Patterns of geriatric anemia: A hospital-based observational study in North India. J Family Med Prim Care 2019; 8:976-980. [PMID: 31041236 PMCID: PMC6482803 DOI: 10.4103/jfmpc.jfmpc_450_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Geriatric anemia is a global health problem because of its high prevalence and associated significant morbidity and mortality. AIM The objectives of this study were to estimate the pattern of anemia in the elderly patients and the underlying etiology of anemia. RESEARCH DESIGN AND METHODS This was a hospital-based prospective observational study, conducted in patients aged 60 years and above at PGIMER, Chandigarh, a tertiary care center of North India. Anemia is defined as hemoglobin level less than 13 g/dl in men and 12 g/dl in women. RESULTS Among the 105 older patients with anemia, the mean value of hemoglobin was 8.8 ± 2.3 g/dl. The etiological distribution of anemia was iron deficiency in 26 patients (24.8%), chronic disease in 24 patients (22.9%), hematological disorders in 21 (20%), chronic kidney disease in 13 (12.4%), multifactorial in 8 (7.6%), vitamin B12 deficiency in 2 (1.9%), folate deficiency in 1 (0.9%), and hypothyroidism in 1 patient (0.9%). No etiology could be found in 9 patients (8.6%). 57.6% of the iron-deficient patients had upper gastrointestinal lesions and 30.7% had a nutritional cause. Common chronic diseases causing anemia were malignancy (36.6%) and liver disease (29.1%). The myelodysplastic syndrome was the commonest hematological disorder. 53.35% of the patients had normocytic anemia, 40% had microcytic anemia, and 6.6% had macrocytic anemia. CONCLUSIONS In most of the cases, anemia in the elderly had a treatable cause. Thus, a thorough investigation including gastrointestinal endoscopy is warranted. Unexplained progressive or unresponsive anemia requires bone marrow examination.
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Affiliation(s)
- Dheeraj Sharma
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Vikas Suri
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Ashok K. Pannu
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Savita V. Attri
- Department of Paediatric Biochemistry, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Neelam Varma
- Department of Hematology, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Rakesh Kochhar
- Department of Adult Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Subhash Varma
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Savita Kumari
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, Punjab, India
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Khalaf W, Al-Rubaie HA, Shihab S. Studying anemia of chronic disease and iron deficiency in patients with rheumatoid arthritis by iron status and circulating hepcidin. Hematol Rep 2019; 11:7708. [PMID: 30996848 PMCID: PMC6434328 DOI: 10.4081/hr.2019.7708] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 02/13/2019] [Indexed: 11/23/2022] Open
Abstract
Anemia of chronic disease (ACD) and iron deficiency anemia (IDA) are the two most important types of anemia in rheumatoid arthritis (RA). Functional iron deficiency in ACD can be attributed to overexpression of the main iron regulatory hormone hepcidin leading to diversion of iron from the circulation into storage sites resulting in iron-restricted erythropoiesis. The aim is to investigate the role of circulating hepcidin and to uncover the frequency of IDA in RA. The study included 51 patients with RA. Complete blood counts, serum iron, total iron binding capacity, ferritin, and hepcidin-25 were assessed. ACD was found in 37.3% of patients, IDA in 11.8%, and combined (ACD/IDA) in 17.6%. Serum hepcidin was higher in ACD than in control and the other groups (P≤0.001). It was strongly and positively correlated with ferritin (P<0.001), while hemoglobin, serum iron, and total iron binding capacity were negatively correlated with hepcidin (P=0.016, 0.022 and <0.001, respectively). High serum hepcidin was significantly associated with ACD in RA. IDA alone or combined with ACD was encountered in about a third of patients.
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Affiliation(s)
| | | | - Sami Shihab
- Department of Medicine, College of Medicine, University of Baghdad, Baghdad, Iraq
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Kipkulei JC, Buziba N, Mining S, Jepngetich H. Demographic and Clinical Profiles of Blood Transfusion Recipients at a Teaching and Referral Hospital in Kenya. ACTA ACUST UNITED AC 2019. [DOI: 10.4236/ojbd.2019.91004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Abstract
Inflammation is an adaptive process to the noxious stimuli that the human body is constantly exposed to. From the local inflammatory response to a full-blown systemic inflammation, a wide complex sequence of events occurs. Persistent immunosuppression and catabolism may ensue, until multiple organ failure finally sets in. And since clinically useful and specific biomarkers are lacking, diagnosis may come late. A thorough understanding of these events (how they begin, how they evolve, and how to modulate them) is imperative, but as yet poorly studied. This review aims to consolidate current knowledge of these events so that the management of these patients is not only evidence-based, but also built on an understanding of the inner workings of the human body in health and in disease.
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Affiliation(s)
- Miguel Lourenço Varela
- Internal Medicine 1, Hospital de Faro, Centro Hospitalar Universitário do Algarve, Rua Leão Penedo, Faro, 8000-386, Portugal.
- Intensive Care Medicine 1, Hospital de Faro, Centro Hospitalar Universitário do Algarve, Rua Leão Penedo, Faro, 8000-386, Portugal.
| | - Mihail Mogildea
- Internal Medicine 1, Hospital de Faro, Centro Hospitalar Universitário do Algarve, Rua Leão Penedo, Faro, 8000-386, Portugal
| | - Ignacio Moreno
- Internal Medicine 1, Hospital de Faro, Centro Hospitalar Universitário do Algarve, Rua Leão Penedo, Faro, 8000-386, Portugal
| | - Ana Lopes
- Internal Medicine 1, Hospital de Faro, Centro Hospitalar Universitário do Algarve, Rua Leão Penedo, Faro, 8000-386, Portugal
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Al-Doori TF, Al-Ethawi AESD, Hasan JS, Al-Kaaby BA. Towards cardiovascular risks in children with chronic kidney disease: a prospective cohort study. F1000Res 2018; 7:1794. [DOI: 10.12688/f1000research.15883.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Background: Children with chronic kidney disease (CKD) are at substantially high risk of morbidity and mortality from cardiovascular disease (CVD). Although this issue has been extensively studied in adults, little is known whether similar associations exist in the paediatric population. We therefore aimed to evaluate the cardiac structure and function in children with CKD, and investigate the factors that contribute to the development of CVD. Methods: A prospective cohort was established following 40 children with CKD treated in the nephrology unit at a high-volume, tertiary, teaching hospital and compared to age- and gender-matched controls of the same number. We reviewed the patients’ medical records, assessed growth parameters, measured blood pressure, took blood samples, and performed echocardiography. Results: More than half of the CKD patients are hypertensive (N = 22; 55%) and were found to have a higher proportion of increased left ventricular mass index (LVMI) (75.5%; P = 0.001). In contrast, we did not find any significant association between CKD and both valvular calcification & left ventricular (LV) fractional shortening (FS) in children (P = 0.314). Furthermore, high LVMI is found to be correlated well with the following: anaemia, hypertension, CKD duration > one year, hyperparathyroidism, estimated glomerular filtration rate (eGFR) < 15ml/minute/1.73 m2 and death (P < 0.05). Conclusions: Despite the fact that LV systolic function is preserved and valvular calcification is usually absent, left ventricular hypertrophy (LVH) is common in children with CKD. Hypertension, anaemia, hyperparathyroidism, as well as the severity and duration of renal impairment, are amongst the additional risk factors that predispose to LVH. We contribute this study to the growing information of the review articles regarding the association between CKD and CVD in paediatrics.
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González-Costello J, Comín-Colet J, Lupón J, Enjuanes C, de Antonio M, Fuentes L, Moliner-Borja P, Farré N, Zamora E, Manito N, Pujol R, Bayés-Genis A. Importance of iron deficiency in patients with chronic heart failure as a predictor of mortality and hospitalizations: insights from an observational cohort study. BMC Cardiovasc Disord 2018; 18:206. [PMID: 30382817 PMCID: PMC6211465 DOI: 10.1186/s12872-018-0942-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 10/19/2018] [Indexed: 12/11/2022] Open
Abstract
Background Iron deficiency (ID) in patients with chronic heart failure (CHF) is considered an adverse prognostic factor. We aimed to evaluate if ID in patients with CHF is associated with increased mortality and hospitalizations. Methods We evaluated ID in patients with CHF at 3 university hospitals. ID was defined as absolute (ferritin < 100 μg/L) or functional (transferrin Saturation index < 20% and ferritin between 100 and 299 μg/L). We excluded patients who received treatment with intravenous Iron or Erythropoietin during follow-up. We evaluated if ID was a predictor of death or hospitalization due to heart failure or any cause using univariate and multivariate cox regression analysis. Results We included 1684 patients, 65% males, 38% diabetics, median age of 72 years, 37% in functional class III-IV and 30% of patients with a left ventricular ejection fraction > 45%. Patients were well treated, with 87% and 88% of patients receiving renin-angiotensin inhibitors and beta-blockers, respectively. Median transferrin saturation index was 20%, median ferritin 155 ng/mL and median haemoglobin 13 g/dL. ID was present in 53% of patients; in 35% it was absolute and in 18% functional. Median follow-up was 20 months. ID was a predictor of death, hospitalization due to heart failure or to any cause in univariate analysis but not after multivariate analysis. No differences were found between absolute or functional ID regarding prognosis. Conclusion In a real life population of patients with CHF and a high prevalence of heart failure with preserved ejection fraction, ID did not predict mortality or hospitalizations after adjustment for comorbidities, functional class and neurohormonal treatment.
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Affiliation(s)
- José González-Costello
- Area de Enfermedades del Corazón, Hospital Universitari de Bellvitge, IDIBELL, Universitat de Barcelona, L'Hospitalet de Llobregat, Feixa Llarga SN, 08907, Barcelona, Spain.
| | - Josep Comín-Colet
- Area de Enfermedades del Corazón, Hospital Universitari de Bellvitge, IDIBELL, Universitat de Barcelona, L'Hospitalet de Llobregat, Feixa Llarga SN, 08907, Barcelona, Spain
| | - Josep Lupón
- Unidad de Insuficiencia Cardíaca, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Cristina Enjuanes
- Servicio de Cardiología, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Marta de Antonio
- Unidad de Insuficiencia Cardíaca, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Lara Fuentes
- Area de Enfermedades del Corazón, Hospital Universitari de Bellvitge, IDIBELL, Universitat de Barcelona, L'Hospitalet de Llobregat, Feixa Llarga SN, 08907, Barcelona, Spain
| | - Pedro Moliner-Borja
- Servicio de Cardiología, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Nuria Farré
- Servicio de Cardiología, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Elisabet Zamora
- Unidad de Insuficiencia Cardíaca, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Nicolás Manito
- Area de Enfermedades del Corazón, Hospital Universitari de Bellvitge, IDIBELL, Universitat de Barcelona, L'Hospitalet de Llobregat, Feixa Llarga SN, 08907, Barcelona, Spain
| | - Ramón Pujol
- Servicio de Medicina Interna, Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Antoni Bayés-Genis
- Unidad de Insuficiencia Cardíaca, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
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Abstract
INTRODUCTION Despite anemia in acquired heart disease being a common problem, little is known in patients with congenital heart disease (CHD). METHODS In total, 544 consecutive stable noncyanotic CHD patients were studied to determine demographic, clinical, and analytic parameters. Anemia was defined as a condition in which hemoglobin concentration was <13 g/dL in male individuals and <12 g/dL in female individuals. RESULTS In total, 49 (9%) CHD patients had anemia. Patients with complex anatomy had the highest prevalence of anemia (33%). The median hemoglobin concentration was 14.4 (13.5 to 15.6) mg/dL. Of the total anemic CHD patients, 21 of 49 (43%) were microcytic (mean corpuscular volume <84 fL) and 46 of 49 (94%) had a mean corpuscular volume under 95 fL. Oral anticoagulation, oral antiaggregation, diuretic treatment, and having valve prostheses or cardiovascular risk factors, such as arterial hypertension or diabetes mellitus, did not reach statistical significance between anemic and nonanemic CHD patients. Multivariate analyses determined as risk factors for anemia a worse New York Heart Association functional class (patients in class >II/IV) (odds ratio [OR], 8.37; 95% confidence interval [CI], 1.69-41.35), N-terminal proB-type natriuretic peptide levels >125 pg/mL (OR, 7.90; 95% CI, 2.88-21.69), and apoferritn levels below 15 ng/mL (OR, 0.21; 95% CI, 0.09-0.50). The Kaplan-Meier survival analysis showed no significant differences in mortality between anemic and nonanemic CHD patients (P=0.143). CONCLUSIONS The incidence of anemia in CHD patients is similar to that of the normal population and iron deficiency anemia accounts for most of the cases. There were no significant differences in mortality between CHD patients with and without anemia.
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Abstract
Epidermolysis bullosa is a group of rare genetic disorders with multiple organ system involvement. In one severe form, recessive dystrophic epidermolysis bullosa, chronic anemia is common. This report outlines the multifactorial nature of anemia in recessive dystrophic epidermolysis bullosa and presents a practical clinical algorithm based on expert consensus for the diagnosis and treatment of anemia in recessive dystrophic epidermolysis bullosa.
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Affiliation(s)
- Blair Simpson
- Division of Hospital Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Cristina Tarango
- Division of Hematology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Anne W Lucky
- Division of Dermatology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
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Heme oxygenase and iron status in exosomes of psoriasis patients. Arch Dermatol Res 2018; 310:651-656. [DOI: 10.1007/s00403-018-1852-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 07/27/2018] [Accepted: 08/03/2018] [Indexed: 12/11/2022]
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Cullis JO, Fitzsimons EJ, Griffiths WJ, Tsochatzis E, Thomas DW. Investigation and management of a raised serum ferritin. Br J Haematol 2018; 181:331-340. [PMID: 29672840 DOI: 10.1111/bjh.15166] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Serum ferritin level is one of the most commonly requested investigations in both primary and secondary care. Whilst low serum ferritin levels invariably indicate reduced iron stores, raised serum ferritin levels can be due to multiple different aetiologies, including iron overload, inflammation, liver or renal disease, malignancy, and the recently described metabolic syndrome. A key test in the further investigation of an unexpected raised serum ferritin is the serum transferrin saturation. This guideline reviews the investigation and management of a raised serum ferritin level. The investigation and management of genetic haemochromatosis is not dealt with however and is the subject of a separate guideline.
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Affiliation(s)
- Jonathan O Cullis
- Department of Haematology, Salisbury NHS Foundation Trust, Salisbury, UK
| | | | - William Jh Griffiths
- Department of Hepatology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Emmanouil Tsochatzis
- UCL Institute for Liver and Digestive Health, Royal Free London NHS Foundation Trust and University College, London, UK
| | - D Wayne Thomas
- Department of Haematology, Plymouth Hospitals NHS Trust, Plymouth, UK
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Silva Litao MK, Kamat D. Back to Basics: Red Blood Cell Distribution Width: Clinical Use beyond Hematology. Pediatr Rev 2018; 39:204-209. [PMID: 29610428 DOI: 10.1542/pir.2017-0118] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Melissa Kaori Silva Litao
- Department of Pediatrics, De La Salle Health Sciences Institute College of Medicine, Cavite, Philippines
| | - Deepak Kamat
- Children's Hospital of Michigan, Wayne State University School of Medicine, Detroit, MI
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40
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Piano S, Tonon M, Vettore E, Stanco M, Pilutti C, Romano A, Mareso S, Gambino C, Brocca A, Sticca A, Fasolato S, Angeli P. Incidence, predictors and outcomes of acute-on-chronic liver failure in outpatients with cirrhosis. J Hepatol 2017; 67:1177-1184. [PMID: 28733221 DOI: 10.1016/j.jhep.2017.07.008] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 07/05/2017] [Accepted: 07/11/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND & AIMS Acute-on-chronic liver failure (ACLF) is the most life-threatening complication of cirrhosis. Prevalence and outcomes of ACLF have recently been described in hospitalized patients with cirrhosis. However, no data is currently available on the prevalence and the risk factors of ACLF in outpatients with cirrhosis. The aim of this study was to evaluate incidence, predictors and outcomes of ACLF in a large cohort of outpatients with cirrhosis. METHODS A total of 466 patients with cirrhosis consecutively evaluated in the outpatient clinic of a tertiary hospital were included and followed up until death and/or liver transplantation for a mean of 45±44months. Data on development of hepatic and extrahepatic organ failures were collected during this period. ACLF was defined and graded according to the EASL-CLIF Consortium definition. RESULTS During the follow-up, 118 patients (25%) developed ACLF: 57 grade-1, 33 grade-2 and 28 grade-3. The probability of developing ACLF was 14%, 29%, and 41% at 1year, 5years, and 10years, respectively. In the multivariate analysis, baseline mean arterial pressure (hazard ratio [HR] 0.96; p=0.012), ascites (HR 2.53; p=0.019), model of end-stage liver disease score (HR 1.26; p<0.001) and baseline hemoglobin (HR 0.07; p=0.012) were found to be independent predictors of the development of ACLF at one year. As expected, ACLF was associated with a poor prognosis, with a 3-month probability of transplant-free survival of 56%. CONCLUSIONS Outpatients with cirrhosis have a high risk of developing ACLF. The degree of liver failure and circulatory dysfunction are associated with the development of ACLF, as well as low values of hemoglobin. These simple variables may help to identify patients at a high risk of developing ACLF and to plan a program of close surveillance and prevention in these patients. LAY SUMMARY There is a need to identify predictors of acute-on-chronic liver failure (ACLF) in patients with cirrhosis in order to identify patients at high risk of developing ACLF and to plan strategies of prevention. In this study, we identified four simple predictors of ACLF: model of end-stage liver disease (MELD) score, ascites, mean arterial pressure and hemoglobin. These variables may help to identify patients with cirrhosis, at a high risk of developing ACLF, that are candidates for new strategies of surveillance and prevention. Anemia is a potential new target for treating these patients.
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Affiliation(s)
- Salvatore Piano
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Marta Tonon
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Elia Vettore
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Marialuisa Stanco
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Chiara Pilutti
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Antonietta Romano
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Sara Mareso
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Carmine Gambino
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Alessandra Brocca
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Antonietta Sticca
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Silvano Fasolato
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Paolo Angeli
- Unit of Internal Medicine and Hepatology (UIMH), Department of Medicine (DIMED), University of Padova, Padova, Italy.
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Sahay M, Kalra S, Badani R, Bantwal G, Bhoraskar A, Das AK, Dhorepatil B, Ghosh S, Jeloka T, Khandelwal D, Latif ZA, Nadkar M, Pathan MF, Saboo B, Sahay R, Shimjee S, Shrestha D, Siyan A, Talukdar SH, Tiwaskar M, Unnikrishnan AG. Diabetes and Anemia: International Diabetes Federation (IDF) - Southeast Asian Region (SEAR) position statement. Diabetes Metab Syndr 2017; 11 Suppl 2:S685-S695. [PMID: 28483426 DOI: 10.1016/j.dsx.2017.04.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 04/27/2017] [Indexed: 02/07/2023]
Abstract
Anemia is often associated with diabetes mellitus and is known to intensify the risk of developing diabetes-related microvascular and macrovascular complications. There is paucity in understanding of co-existence of these conditions, especially in Southeast Asian countries. Iron and/or erythropoietin deficiencies are the major causes of anemia in diabetes, and diabetic kidney disease plays a key role. Patients with diabetes need to be screened for anemia along with other risk factors and anemia should be corrected appropriately to improve overall clinical outcomes. This position statement aims to provide a comprehensive overview and an algorithm for appropriate management of anemia in patients with diabetes.
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Affiliation(s)
| | | | | | | | | | - A K Das
- Pondicherry Institute of Medical Sciences, Puducherry, India
| | | | | | | | | | | | - Milind Nadkar
- Seth G.S. Medical College & KEM Hospital, Mumbai, India
| | | | - Banshi Saboo
- Dia Care - Diabetes Care and Hormone Clinic, Ambawadi, Ahmedabad, India
| | | | | | | | - Ali Siyan
- Maldivian Diabetes Society, Male, Maldives
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Causes of Death in Patients with Severe Aortic Stenosis: An Observational study. Sci Rep 2017; 7:14723. [PMID: 29116212 PMCID: PMC5676690 DOI: 10.1038/s41598-017-15316-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/25/2017] [Indexed: 11/08/2022] Open
Abstract
Whether patients with severe aortic stenosis (AS) die because of AS-related causes is an important issue for the management of these patients. We used data from CURRENT AS registry, a Japanese multicenter registry, to assess the causes of death in severe AS patients and to identify the factors associated with non-cardiac mortality. We enrolled 3815 consecutive patients with a median follow-up of 1176 days; the 1449 overall deaths comprised 802 (55.3%) from cardiac and 647 (44.7%) from non-cardiac causes. Heart failure (HF) (25.7%) and sudden death (13.0%) caused the most cardiac deaths, whereas infection (13.0%) and malignancy (11.1%) were the main non-cardiac causes. According to treatment strategies, infection was the most common cause of non-cardiac death, followed by malignancy, in both the initial aortic valve replacement (AVR) cohort (N = 1197), and the conservative management cohort (N = 2618). Both non-cardiac factors (age, male, body mass index <22, diabetes, prior history of stroke, dialysis, anemia, and malignancy) and cardiac factors (atrial fibrillation, ejection fraction <68%, and the initial AVR strategy) were associated with non-cardiac death. These findings highlight the importance of close monitoring of non-cardiac comorbidities, as well as HF and sudden death, to improve the mortality rate of severe AS patients.
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Nikooyeh B, Neyestani TR. Poor vitamin D status increases the risk of anemia in school children: National Food and Nutrition Surveillance. Nutrition 2017; 47:69-74. [PMID: 29429539 DOI: 10.1016/j.nut.2017.09.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 08/15/2017] [Accepted: 09/16/2017] [Indexed: 12/19/2022]
Abstract
OBJECTIVES This study aimed to investigate the association between 25-hydroxyvitamin D (25[OH]D) concentrations and the risk of anemia in a large cohort of children with consideration for the effects of sex, body mass index (BMI), serum intact parathyroid hormone (iPTH) concentrations, and iron level status. METHODS A total of 937 children (493 boys, 444 girls) ages 9 to 12 y were enrolled in a cross-sectional study. The children underwent various examinations including anthropometric measurements and blood sampling. RESULTS Overall, 13.3% of the children were anemic and 64.2% and 28.1% of the subjects had a vitamin D deficiency (<25 nmol/L) and insufficiency (25-50 nmol/L), respectively. Approximately 13% of the children had concurrent low hemoglobin and hypovitaminosis D levels. The prevalence of hypovitaminosis D in the group of children with anemia was 96.8% compared with 91.6% in the non-anemic group (P = 0.046). Mean 25(OH)D concentrations were significantly lower in the anemic children compared with the non-anemic children (19.6 ± 13.3 vs. 24.0 ± 23.1 nmol/L; P = 0.003). After controlling for sex and BMI, children with a vitamin D deficiency were almost 3.45 times more likely to be anemic compared with children with a vitamin D sufficiency (95% confidence interval [CI], 1.21-9.81). The increased risk of anemia was found to start significantly at 25(OH)D < 44 nmol/L (17.6 ng/mL; odds ratio: 2.29; 95% CI, 1.07-4.91, P = 0.032). CONCLUSIONS These findings strongly suggest an association between low circulating concentrations of 25(OH)D and anemia in a large, representative sample of children, even after adjustment for sex, age, BMI, and iPTH.
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Affiliation(s)
- Bahareh Nikooyeh
- Laboratory of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tirang R Neyestani
- Laboratory of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Barlas RS, McCall SJ, Bettencourt-Silva JH, Clark AB, Bowles KM, Metcalf AK, Mamas MA, Potter JF, Myint PK. Impact of anaemia on acute stroke outcomes depends on the type of anaemia: Evidence from a UK stroke register. J Neurol Sci 2017; 383:26-30. [PMID: 29246615 DOI: 10.1016/j.jns.2017.09.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 09/13/2017] [Accepted: 09/29/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Previous research has demonstrated an association between anaemia and poor outcomes in acute stroke. This study aimed to assess the impact of anaemia on stroke by anaemia subtype. METHODS Data from a prospective UK Regional Stroke Register were used to assess the association between hypochromic microcytic and normochromic normocytic anaemia on inpatient-mortality, length of stay (LOS) and discharge modified Rankin scale (mRS). Analysis was stratified by stroke subtypes and multivariable logistic regression, adjusting for potential confounders, was used to quantify this association. Patients who were not anaemic were the reference category. RESULTS A total of 8167 stroke patients (admitted between 2003 and 2015) were included, mean age (SD) 77.39±11.90years. Of these, 3.4% (n=281) had hypochromic microcytic anaemia and 15.5% (n=1262) had normochromic normocytic anaemia on admission. Normochromic normocytic anaemia was associated with increased odds of in-patient mortality OR 1.48 (1.24-1.77), 90-day mortality OR 1.63 (1.38-1.92), longer LOS OR 1.21 (1.06-1.40), defined as >7days, and severe disability defined as discharge mRS≥3 OR 1.31 (1.06-1.63), in patients with ischaemic stroke. Hypochromic microcytic anaemia was associated with 90-day mortality OR 1.90 (1.40-2.58) and a longer LOS OR 1.57 (1.20-2.05) in patients with ischaemic stroke. CONCLUSIONS Hypochromic microcytic and normochromic normocytic anaemia are associated with differing outcomes in terms of inpatient mortality and post stroke disability. While it is unclear if anaemia per se or another underlying cause is responsible for adverse outcomes, subtype of anaemia appears to be relevant in stroke prognosis.
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Affiliation(s)
- Raphae S Barlas
- Ageing Clinical and Experimental Research (ACER), Institute of Applied Health Sciences, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK
| | - Stephen J McCall
- Ageing Clinical and Experimental Research (ACER), Institute of Applied Health Sciences, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK; National Perinatal Epidemiology Unit (NPEU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | | | - Allan B Clark
- Norwich Medical School, University of East Anglia, Norwich, UK
| | | | - Anthony K Metcalf
- Stroke Research Group, Norfolk and Norwich University Hospital, Norwich, UK
| | - Mamas A Mamas
- Keele Cardiovascular Research Group, Institutes of Science and Technology in Medicine, Primary Care and Health Sciences, Keele University, Stoke-on-Trent, UK
| | - John F Potter
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - Phyo K Myint
- Ageing Clinical and Experimental Research (ACER), Institute of Applied Health Sciences, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK; Stroke Research Group, Norfolk and Norwich University Hospital, Norwich, UK; Norwich Medical School, University of East Anglia, Norwich, UK.
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Acidic Polysaccharide from Angelica sinensis Reverses Anemia of Chronic Disease Involving the Suppression of Inflammatory Hepcidin and NF- κB Activation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:7601592. [PMID: 29147463 PMCID: PMC5632906 DOI: 10.1155/2017/7601592] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 06/22/2017] [Accepted: 07/12/2017] [Indexed: 12/14/2022]
Abstract
Anemia of chronic disease (ACD) is the second most prevalent anemia and frequently occurs in patients with acute or chronic immune activation. In the current study, we evaluated the therapeutic efficacy of Angelica sinensis polysaccharide (ASP) against ACD in rats and the potential mechanisms involved. The results showed that ASP inhibited inflammatory hepcidin in both HepG2 cells and ACD rats by blocking the IL-6/STAT3 and BMP/SMAD pathways. In ACD rats, the administration of ASP increased ferroportin expression, mobilized iron from the liver and spleen, increased serum iron levels, caused an elevation of serum EPO, and effectively relieved the anemia. Furthermore, ASP inhibited NF-κB p65 activation via the IκB kinases- (IKKs-) IκBα pathway, thereby reducing the secretion of interleukin-6 (IL-6) and TNF-α, which is known to inhibit erythropoiesis. Our findings indicate that ASP is a potential treatment option for patients suffering from ACD.
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Abstract
Anemia denotes a reduced red blood cell (RBC) mass from any cause. The causes of anemia are numerous and due to decreased (or abnormal) erythropoesis, shortened RBC life span, or blood loss. The most common etiology of anemia is iron deficiency. A judicious work up of anemia includes evaluating the reticulocyte count and peripheral smear. The severity of illness of a patient with anemia is determined by the degree of anemia and the seriousness of the underlying disorder. Management of patients with hereditary and hemolytic anemias should involve a hematologist.
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Affiliation(s)
- Darryl J Powell
- Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA; Department of Pediatrics, Children's Hospital, Boston, MA, USA
| | - Maureen Okam Achebe
- Division of Hematology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Midcampus 3, Boston, MA 01701, USA.
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47
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Kerkhoff AD, Meintjes G, Opie J, Vogt M, Jhilmeet N, Wood R, Lawn SD. Anaemia in patients with HIV-associated TB: relative contributions of anaemia of chronic disease and iron deficiency. Int J Tuberc Lung Dis 2017; 20:193-201. [PMID: 26792471 PMCID: PMC6371921 DOI: 10.5588/ijtld.15.0558] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND: Anaemia commonly complicates both human immunodeficiency virus (HIV) infection and tuberculosis (TB), contributing substantially to morbidity and mortality. The mechanisms underlying anaemia and corresponding treatments in co-infected patients are poorly defined. OBJECTIVE: To determine the relative contributions of anaemia of chronic disease (ACD) and iron deficiency to anaemia in patients with HIV-associated TB. DESIGN: Consecutively recruited hospitalised (n = 102) and matched ambulatory patients (n = 51) with microbiologically confirmed HIV-associated TB in Cape Town, South Africa, were included. Haemoglobin levels, iron status markers, hepcidin and pro-inflammatory cytokines in blood were measured. We determined the prevalence of ACD and iron-deficiency anaemia (IDA) using seven different published definitions of IDA. RESULTS: More than 80% of enrolled HIV-associated TB patients were anaemic, and anaemia was more severe among in-patients. Over 95% of anaemic HIV-associated TB patients had ACD, whereas the proportion with IDA using a range of seven different definitions was low overall (median < 3%, range 0–32.6) in both patient groups. The proportion with IDA and hepcidin concentration ⩽ 20.0 ng/ml (predictive of responsiveness to oral iron supplementation) was also very low (median < 3%, range 0–15.1). CONCLUSIONS: ACD was the predominant cause underlying anaemia in HIV-associated TB patients, and IDA was very uncommon in this setting. The majority of anaemic HIV-associated TB patients were unlikely to benefit from oral iron supplementation.
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Affiliation(s)
- A D Kerkhoff
- Department of Medicine, University of California San Francisco School of Medicine, San Francisco, California, USA; Department of Global Health, Academic Medical Center, Amsterdam Institute for Global Health and Development, University of Amsterdam, Amsterdam, The Netherlands; The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - G Meintjes
- Department of Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Clinical Infectious Diseases Research Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Department of Medicine, Imperial College, London, UK
| | - J Opie
- Division of Haematology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; C17 Clinical Pathology Laboratory, National Health Laboratory Service and Groote Schuur Hospital, Cape Town, South Africa
| | - M Vogt
- The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - N Jhilmeet
- Clinical Infectious Diseases Research Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - R Wood
- The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - S D Lawn
- The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
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Abstract
Anaemia is a condition in which the number of red cells necessary to meet the body's physiological requirements is insufficient. Iron deficiency anaemia and the anaemia of chronic disease are the two most common causes of anaemia worldwide;1 iron homeostasis plays a pivotal role in the pathogenesis of both diseases. An understanding of how iron studies can be used to distinguish between these diseases is therefore essential not only for diagnosis but also in guiding management. This review will primarily focus on iron deficiency anaemia and anaemia of chronic disease; however, iron overload in anaemia will also be briefly discussed.
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Affiliation(s)
- Ying Y Peng
- The Centre for Haemostasis and Thrombosis, Department of Haematology, St George's Hospital, London, UK
| | - James Uprichard
- The Centre for Haemostasis and Thrombosis, Department of Haematology, St George's Hospital, London, UK
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van Rijnsoever M, Galhenage S, Mollison L, Gummer J, Trengove R, Olynyk JK. Dysregulated Erythropoietin, Hepcidin, and Bone Marrow Iron Metabolism Contribute to Interferon-Induced Anemia in Hepatitis C. J Interferon Cytokine Res 2016; 36:630-634. [PMID: 27617496 DOI: 10.1089/jir.2016.0043] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Anemia is a complication of interferon-containing hepatitis C treatments. We characterized effects of interferon-based therapy on hepcidin and erythropoietin (EPO) production, iron metabolism, hemolysis, and hematopoiesis. Standard hemopoiesis [reticulocyte hemoglobin (Hb), reticulocyte production index (RPI), free Hb, and haptoglobin], iron biochemistry, hepcidin, and EPO levels were measured in 10 subjects over 12 weeks. There was a rapid decline in Hb during treatment, from a mean pretreatment (t = 0 weeks) Hb of 158.6 to 125.2 g/L at week 4 (P = 0.003) and 122.8 g/L at week 12 (P = 0.005). Paradoxically, the RPI (a measure of bone marrow responsiveness to EPO) decreased on initiation of hepatitis C virus treatment from 0.78% to 0.53% (P = 0.04). Despite worsening anemia, there was no significant increase in EPO levels. Hepcidin levels increased to >20 nM in 3 subjects from 5.8 to 27.5 nM (P = 0.009) compared with 9.6 to 12.3 nM (P = 0.5) for the remainder of subjects. Hepcidin levels peaked at week 1 before returning to baseline levels at week 4. Subjects who responded with a rise in serum hepcidin levels to >20 nM had a significantly greater drop in Hb (27.2 g/L, P = 0.008) and reticulocyte Hb (-1.4 g/L, P = 0.013) compared with the subjects who did not exhibit any change in hepcidin production. In conclusion, 30% of subjects treated with interferon exhibited significant transient increase in serum hepcidin levels, which was associated with more extreme anemia and decreased iron availability as evidenced by decreased reticulocyte Hb. In addition, there was a failure to upregulate EPO production in response to anemia and hemolysis ( https://clinicaltrials.gov trial NCT01726400).
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Affiliation(s)
- Marius van Rijnsoever
- 1 Department of Gastroenterology and Hepatology, Fiona Stanley Hospital , Bull Creek, Australia
| | - Sumedha Galhenage
- 1 Department of Gastroenterology and Hepatology, Fiona Stanley Hospital , Bull Creek, Australia
| | - Lindsay Mollison
- 2 Department of Gastroenterology, Fremantle Hospital , Fremantle, Australia
| | - Joel Gummer
- 3 Separation Science and Metabolomics Laboratory, Murdoch University , Murdoch, Australia
| | - Robert Trengove
- 3 Separation Science and Metabolomics Laboratory, Murdoch University , Murdoch, Australia
| | - John K Olynyk
- 1 Department of Gastroenterology and Hepatology, Fiona Stanley Hospital , Bull Creek, Australia .,2 Department of Gastroenterology, Fremantle Hospital , Fremantle, Australia .,4 School of Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University , Bentley, Australia .,5 School of Veterinary Sciences, Murdoch University , Murdoch, Australia
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Corsonello A, Fusco S, Bustacchini S, Chiatti C, Moresi R, Bonfigli AR, Di Stefano G, Lattanzio F. Special considerations for the treatment of chronic kidney disease in the elderly. Expert Rev Clin Pharmacol 2016; 9:727-37. [PMID: 26885869 DOI: 10.1586/17512433.2016.1155448] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Chronic kidney disease (CKD) is common in older adults, and its burden is expected to increase in older populations. Even if the knowledge on the approach to older patient with CKD is still evolving, current guidelines for pharmacological management of CKD does not include specific recommendations for older patients. Additionally, decision-making on renal replacement therapy (RRT) for older patients is far from being evidence-based, and despite the improvement in dialysis outcomes, RRT may cause more harm than benefit compared with conservative care when prognostic stratification is not carefully assessed. The use of comprehensive geriatric assessment tools could help clinicians in applying a more informed decision-making. Finally, physical exercise and rehabilitation interventions also represents a promising therapeutic strategy.
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Affiliation(s)
- Andrea Corsonello
- a Italian National Research Center on Aging, Unit of Geriatric Pharmacoepidemiology , Research Hospital of Cosenza , Cosenza , Italy
| | - Sergio Fusco
- a Italian National Research Center on Aging, Unit of Geriatric Pharmacoepidemiology , Research Hospital of Cosenza , Cosenza , Italy
| | - Silvia Bustacchini
- b Scientific Direction , Italian National Research Center on Aging , Ancona , Italy
| | - Carlos Chiatti
- b Scientific Direction , Italian National Research Center on Aging , Ancona , Italy
| | - Raffaella Moresi
- b Scientific Direction , Italian National Research Center on Aging , Ancona , Italy
| | - Anna Rita Bonfigli
- b Scientific Direction , Italian National Research Center on Aging , Ancona , Italy
| | | | - Fabrizia Lattanzio
- b Scientific Direction , Italian National Research Center on Aging , Ancona , Italy
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