scholarly journals The Effects of an Intravenous Iron Infusion on Pre-Operative Haemoglobin Concentration in Iron Deficiency Anaemia: A Retrospective Observational Study. (Preprint)

Author(s):  
Guy Nicholls ◽  
Rajan Mehta ◽  
Karen Mcveagh ◽  
Matt Egan
2020 ◽  
Vol 21 (1) ◽  
Author(s):  
Philip A. Kalra ◽  
Sunil Bhandari ◽  
Michael Spyridon ◽  
Rachel Davison ◽  
Sarah Lawman ◽  
...  

Abstract Background Intravenous iron is often used to treat iron deficiency anaemia in non-dialysis chronic kidney disease (ND-CKD), but the optimal dosing regimen remains unclear. We evaluated the impact of high- versus low-dose intravenous iron isomaltoside on the probability of retreatment with intravenous iron in iron-deficient ND-CKD patients. Methods This real-world, prospective, observational study collected data from 256 ND-CKD patients treated for anaemia in the UK. Following an initial course of iron isomaltoside, patients were followed for ≥12 months. Iron dose and the need for retreatment were determined at the investigators’ discretion. The primary study outcome was the need for retreatment at 52 weeks compared between patients who received >1000 mg of iron during Course 1 and those who received ≤1000 mg. Safety was evaluated through adverse drug reactions. Results The probability of retreatment at Week 52 was significantly lower in the >1000 mg iron group (n = 58) versus the ≤1000 mg group (n = 198); hazard ratio (95% confidence interval [CI]): 0.46 (0.20, 0.91); p = 0.012. Mean (95% CI) haemoglobin increased by 6.58 (4.94, 8.21) g/L in the ≤1000 mg group and by 10.59 (7.52, 13.66) g/L in the >1000 mg group (p = 0.024). Changes in other blood and iron parameters were not significantly different between the two groups. Administering >1000 mg of iron isomaltoside saved 8.6 appointments per 100 patients compared to ≤1000 mg. No serious adverse drug reactions were reported. Of the patients who received ≤1000 mg of iron in this study, 82.3% were eligible for a dose >1000 mg. Conclusions The >1000 mg iron isomaltoside regimen reduced the probability of retreatment, achieved a greater haemoglobin response irrespective of erythropoiesis-stimulating agent treatment, and reduced the total number of appointments required, compared to the ≤1000 mg regimen. Many of the patients who received ≤1000 mg of iron were eligible for >1000 mg, indicating that there was considerable underdosing in this study. Trial registration ClinicalTrials.gov NCT02546154, 10 September 2015.


Author(s):  
K. P. Poojitha ◽  
B. S. B. Mallika ◽  
K. V. Siva Prasad

Background: Prevalence of iron deficiency anaemia is high in developing countries like India. Treatment of iron deficiency anaemia in pregnancy is very important to bring down maternal mortality rate as blood loss during delivery can lead to death of the patient. The aim and objective of our study is to evaluate the efficacy and safety of intravenous iron sucrose infusions in antenatal women admitted in hospital suffering from moderate iron deficiency anaemia. Special emphasis was given to observe adverse drug effects.Methods: This was a prospective observational study conducted in Obstetrics and Gynaecology department, Government General Hospital, Rangaraya Medical College, Kakinada, Andhra Pradesh. Study period was two months and study population included antenatal women with gestational age less than 37 weeks with moderate iron deficiency anaemia. Peripheral smear was examined for microcytic hypochromic anaemia and they were treated with intravenous infusion of iron sucrose. Haemoglobin levels were checked before and 5 weeks after iron infusions. Monitoring was done for adverse reactions.Results: Out of 322 admissions, 95% were found to be anaemic. 72 patients were suffering from moderate anaemia from which 25 have been included and treated with intravenous iron sucrose infusions. They were observed for efficacy and safety parameters. Two minor adverse events were reported (fever with chills and angioedema of lips) and they were excluded from study. Mean haemoglobin concentration was found to be raised from 7.08±0.73 (SD) to 11.33±0.48 (SD) within 5 weeks for 23 patients.Conclusions: Iron sucrose infusion is safe and effective for anaemia in pregnancy.


2021 ◽  
Author(s):  
Guy Nicholls ◽  
Rajan Mehta ◽  
Karen Mcveagh ◽  
Matt Egan

BACKGROUND An iron infusion pathway using Ferrinject®(ferric carboxymaltose) was implemented at Southend University Hospital for pre-operative surgical patients with iron deficiency anaemia undergoing major surgery. This was based on a treatment algorithm proposed by Munting et al, based on the international consensus statement on peri-operative management of anaemia and NICE guidelines. This states intravenous iron is indicated when oral iron is poorly tolerated, ineffective, there is insufficient time to surgery, or due to functional iron deficiency. OBJECTIVE Our objective was to study the degree of change in adult haemoglobin concentration (Hb g/L) after infusion at the time of surgery. METHODS Data was retrospectively collected on all surgical patients that received an iron infusion pre-operatively for iron deficiency anaemia from July 2019 to April 2020. Non-surgical patients, obstetrics, paediatrics and those without a post infusion haemoglobin level were excluded. Data collected included: pre and post infusion Hb, ferritin, and transferrin (post infusion results closest to surgery were collected), correct or incorrect dose of IV iron received (dose based on baseline Hb and weight) and any adverse reactions noted. RESULTS 32 surgical patients with iron deficiency anaemia received intravenous iron between July 2019 and April 2020 prior to surgery. The average pre and post iron infusion haemoglobin concentration across the cohort was 97 g/L and 114 g/L respectively (18% increase p= 0.001). 2 (6%) patients had a post transfusion Hb ≥ 130 g/L prior to surgery after infusion. 9 patients had both a pre and post infusion ferritin level recorded which showed an increase from 12 μg/L pre infusion to 94 μg/L (p=0.02) post infusion. 23 (72%) patients were did not receive the full dose of IV iron based on their Hb and weight. 75% of patients received an iron infusion >2 weeks prior to surgery with 25% < 2 weeks before their surgery. There was an average increase in Hb of 22% (21 g/L 95% CI 13-28) and 5% (5 g/L 95% CI 1-10) (p=0.03) respectively across the two groups. There were no documented adverse reactions to the infusion. CONCLUSIONS IV iron is an effective intervention to improve haemoglobin concentration in iron deficiency anaemia despite the majority of cases not receiving the full dose of IV iron based on their baseline Hb and weight. Increasing interval time between infusion and surgery was associated with a greater increase in Hb with only a minimal increase seen if given less than 2 weeks before.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Hafid O. Al-Hassi ◽  
Oliver Ng ◽  
Rayko Evstatiev ◽  
Manel Mangalika ◽  
Natalie Worton ◽  
...  

AbstractOral iron promotes intestinal tumourigenesis in animal models. In humans, expression of iron transport proteins are altered in colorectal cancer. This study examined whether the route of iron therapy alters iron transport and tumour growth. Colorectal adenocarcinoma patients with pre-operative iron deficiency anaemia received oral ferrous sulphate (n = 15), or intravenous ferric carboxymaltose (n = 15). Paired (normal and tumour tissues) samples were compared for expression of iron loading, iron transporters, proliferation, apoptosis and Wnt signalling using immunohistochemistry and RT-PCR. Iron loading was increased in tumour and distributed to the stroma in intravenous treatment and to the epithelium in oral treatment. Protein and mRNA expression of proliferation and iron transporters were increased in tumours compared to normal tissues but there were no significant differences between the treatment groups. However, intravenous iron treatment reduced ferritin mRNA levels in tumours and replenished body iron stores. Iron distribution to non-epithelial cells in intravenous iron suggests that iron is less bioavailable to tumour cells. Therefore, intravenous iron may be a better option in the treatment of colorectal cancer patients with iron deficiency anaemia due to its efficiency in replenishing iron levels while its effect on proliferation and iron metabolism is similar to that of oral iron treatment.


Author(s):  
Kohila Kalimuthu ◽  
Vanusha Avudaithangam

Background: Moderate anaemia seen in about 15-20% of pregnant women. Iron sucrose complex which is used intravenously for the correction of Iron deficiency anaemia. The drug has been able to raise the haemoglobin to satisfactory level when used in moderately anaemic iron deficient pregnant women. The objective of this study was to study the improvement of Hb% after treatment with intravenous Iron sucrose complex in moderately anaemic pregnant women belonging to 24-32 weeks of gestational age.Methods: 50 antenatal patients between gestational age 24-32 weeks with hemoglobin between 8-9.5g/dl were selected and included in this study. They were subjected to blood hemoglobin estimation, hematocrit and peripheral smear study. In each infusion, the maximum total dose administered was 200 mg iron sucrose in 100 ml of normal saline, slow IV infused over 30 minutes. Monitoring was done throughout the infusion to observe for any side effects.Results: Mean hemoglobin among the 50 patients before starting the therapy was 8.172g/dl and the mean hemoglobin at the end of one month of completing the therapy was 11.066g/dl. The rise in mean hemoglobin i.e. the difference in the mean hemoglobin before and after treatment was 2.894g/dl. The p value is 0.0001 which is statistically significant. The mean hematocrit of the 50 patients studied before starting the treatment was 26.772% with a standard deviation of 1.914. The mean hematocrit after completing the therapy was 33.872% with a standard deviation of 1.321. The difference in the mean hematocrit was 7.100% with a p value of 0.0001 which is statistically significant.Conclusions: Intravenous iron sucrose complex is well tolerated and highly efficacious in improving hemoglobin, hematocrit in the treatment of iron deficiency anaemia in antenatal women.


Author(s):  
Neelima Agarwal ◽  
Preeti Sharma

Background: Postpartum iron deficiency anaemia (IDA) is common in women. Most women are treated with either oral iron supplementation or blood transfusion. Hence, the aim of our study was to compare the effect of treatment with either oral ferrous sulphate or intravenous ferrous sucrose on postpartum IDA.Methods: 100 postpartum women with proven iron deficiency anaemia with hemoglobin <9gm/dl and serum ferritin <15 µgm/l were included in the study. They were randomized to receive either oral ferrous sulphate 200 mg twice daily for 6 weeks (group 1) or intravenous ferrous sucrose 200 mg, two to three doses given on alternate days (group 2). Total iron deficit was calculated using a standard formula. Target hemoglobin was 11 gm/dl. Results were analysed by the students t-test and chi-square test. Hemoglobin, hematocrit, red cell indices and ferritin were measured on day 2-3, 1-2 weeks and 6 weeks postpartumResults: By 1-2 weeks, hemoglobin level in women treated with intravenous iron had risen from 7.81±0.849 to 9.88±0.760 gm/dl which was more than those treated with oral iron (p<0.01); although by 6 weeks, there was no significant difference between the two groups. Ferritin levels rose rapidly in those treated with intravenous iron and remained significantly higher than in those treated with oral iron (p<0.01).Conclusions: Intravenous iron sucrose increases the hemoglobin level more rapidly than oral ferrous sulphate in women with postpartum IDA. It also replenishes iron stores more rapidly. 


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