Iron-deficiency anemia

缺铁性贫血
  • 文章类型: Journal Article
    本研究的目的是评估仔猪对不同治疗方案的短期行为和生理反应,以控制缺铁性贫血(IDA)和囊孢子虫病。用(1)注射铁并通过滴注口服托曲唑(TLZ)或(2)注射TZLgleptoferron的组合治疗仔猪;然后评估仔猪的行为。对于这项研究,将288只仔猪分为三个实验组:96只仔猪未经处理(对照组);96只仔猪在相同的处理下口服基于TZL的通用抗球虫药(20mg/kgBW)以及肌内施用右旋糖酐铁(200mg/mL;1mL/仔猪)(口服肠胃外组,O+P);96只仔猪接受了组合产品的肌内施用(肠胃外组,P).对于每只处理过的仔猪,总处理时间,飞行反应,使用Scollo等人描述的方法确定发声的强度和频率。(2020年)。发现OP组的仔猪在治疗期间比P组的动物发出更多的尖叫声(21.05%vs.8.42%的动物;p<0.05)。OP组的仔猪对操作和口服给药的反应较差,因为即使在处理后,仍有较高比例的动物继续烦躁不安(32.63%vs.12.63%;p<0.05)。在我们的研究中没有观察到各组之间生长性能的差异(p>0.05)。总之,组合产品的给药减少了给药期间的压力,如减少的发声和对操纵的反应所表明的。
    The aim of the present study was to assess the short-term behavioral and physiological responses of piglets to different treatment protocols for the control of iron-deficiency anemia (IDA) and cystoisosporosis. Piglets were treated with either (1) an injection of iron combined with an oral application of toltrazuril (TLZ) by drenching or (2) a combination injection of TZL + gleptoferron; the behavior of the piglets was then evaluated. For this study, 288 piglets were divided into three experimental groups: 96 piglets were kept untreated (control group); 96 piglets received an oral administration of a generic TZL-based anticoccidial agent (20 mg/kg BW) along with intramuscular administration of iron dextran (200 mg/mL; 1 mL/piglet) at the same handling (oral + parenteral group, O + P); and 96 piglets received an intramuscular application of the combination product (parenteral group, P). For each treated piglet, the total handling time, flight reaction, and the intensity and frequency of vocalizations were determined using the methodology described by Scollo et al. (2020). Piglets in the O + P group were found to emit more screams during treatment administration than animals in the P group (21.05% vs. 8.42% of animals; p < 0.05). Piglets in the O + P group reacted worse to manipulation and oral administration because a higher percentage of animals continued to fidget even after handling (32.63% vs. 12.63%; p < 0.05). Differences in growth performance between the groups were not observed in our study (p > 0.05). In conclusion, the administration of a combination product reduced stress during administration, as indicated by reduced vocalizations and reactions to manipulation.
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  • 文章类型: Journal Article
    胃肠道出血是成年男性铁缺乏的最常见原因,月经失血是女性铁不足的主要原因,缺铁性贫血主要是由失血引起的。羧基麦芽糖铁(FCM)是一种现代的肠胃外铁制剂,可用于治疗由铁缺乏引起的贫血[缺铁性贫血(IDA)]。该试验的主要目标是评估FCM治疗IDA的安全性和有效性。血液科,Rajshahi医学院附属医院,Rajshahi,孟加拉国参加了这项准实验研究,其中包括IDA的成年患者。参与者接受500mgFCM的静脉(IV)输注,稀释在100毫升0.9%生理盐水中,在他们参与后的30分钟内。在第一剂量的7天后施用第二剂量的FCM。结果比较[血红蛋白(Hb)水平,血清铁蛋白水平,和其他血液学参数]在基线和干预后第14天之间使用配对t检验进行。与基线相比,FCM后患者Hb水平显著上升(p=0.001)。除了血清铁蛋白水平,急剧增加的其他血液学参数是红细胞(RBC)计数,平均红细胞体积(MCV),平均红细胞血红蛋白浓度(MCHC),红细胞分布宽度-变异系数(RDW-CV),铁指标。实验记录了轻微的不良反应,如发烧,头痛,和胃肠道问题,包括呕吐,腹泻,便秘,但没有明显的不良事件。总之,IDA可以用FCM有效治疗,安全和可靠的静脉药物,没有重大的负面影响。
    MiahMMZ,PramanikMEA,拉菲A,etal.用羧基麦芽糖铁治疗缺铁性贫血:来自孟加拉国的真实世界准实验研究。欧亚J肝胃肠病2024;14(1):12-15。
    Gastrointestinal bleeding is the most common cause of iron deficiency in adult men and menstrual blood loss is the leading cause of iron insufficiency in women, anemia due to iron deficiency is mostly caused by blood loss. Ferric carboxymaltose (FCM) is a contemporary parenteral iron formulation that may be used therapeutically to treat anemia caused by an iron deficiency [iron-deficiency anemia (IDA)]. The main goal of the trial was to evaluate FCM\'s safety and efficacy in treating IDA. The Department of Hematology, Rajshahi Medical College Hospital, Rajshahi, Bangladesh participated in this quasi-experimental research, which comprised adult patients with IDA. Participants were given an intravenous (IV) infusion of 500 mg of FCM, diluted in 100 mL of 0.9% normal saline, throughout a 30-minute period after their participation. The second dosage of FCM was administered after a 7-day period of the first dose. The comparison of the outcomes [hemoglobin (Hb) level, serum ferritin level, and other hematological parameters] between the baseline and day 14 postintervention was done using a paired t-test. Compared to baseline, patients\' Hb levels rose considerably (p = 0.001) after FCM. Aside from serum ferritin level, additional hematological parameters that sharply increased were red blood cells (RBCs) count, mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC), red cell distribution width - coefficient of variation (RDW-CV), and iron indicators. The experiment recorded mild adverse effects such as fever, headaches, and gastrointestinal issues including vomiting, diarrhea, and constipation, but no significant adverse events. In summary, IDA may be effectively treated with FCM, a safe and secure IV medication that has no major negative effects.
    UNASSIGNED: Miah MMZ, Pramanik MEA, Rafi A, et al. Iron-deficiency Anemia Treatment with Ferric Carboxymaltose: A Real-world Quasi-experimental Study from Bangladesh. Euroasian J Hepato-Gastroenterol 2024;14(1):12-15.
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  • 文章类型: Journal Article
    考虑到与静脉铁治疗相关的不确定性和潜在的感染风险,卫生保健提供者可能会犹豫使用这种制剂来治疗细菌感染的住院患者,即使有临床指征。这项研究的目的是检查住院并接受细菌感染治疗的患者的静脉铁处方模式,及其相关的临床结果。
    这项回顾性图表评估了2019年在缅因州医学中心同一入院期间同时接受IV蔗糖铁和抗生素的成年患者。收集的数据包括铁研究,开IV铁的做法,和临床结果。使用描述性统计对数据进行汇总。
    共评估了197例患者。抗生素治疗的中位持续时间为5(4-9)天。153例(77.7%)患者的铁和抗生素给药重叠,平均重叠2.7(1-7)天。在44名没有重叠的患者中,20例(46%)在抗生素前接收静脉补铁。超过一半(57%)的感染类型涉及泌尿道和呼吸系统。大约2%的患者抗生素治疗扩大或持续时间延长,7%死亡,16%在出院后30天内再次入院。
    先前评估静脉铁感染风险的研究发表了相互矛盾的结果。这是唯一一项分析接受静脉铁剂和抗生素治疗感染但在住院期间未接受血液透析的患者结局的研究。虽然我们的研究结果支持静脉铁治疗在合并感染和铁缺乏的患者中是安全的,这一发现可能并非适用于所有临床亚组.
    这项研究表明,在我们的设施中,当患者在急性细菌感染的情况下接受静脉铁时,大多数患者没有阴性结局.
    UNASSIGNED: Given the uncertainties related to IV iron therapy and the potential risk of infection, health care providers may hesitate to use this preparation to treat hospitalized patients with bacterial infections, even if clinically indicated. The aim of this study was to examine patterns of prescribing IV iron in patients who were hospitalized and treated for a bacterial infection, and their associated clinical outcomes.
    UNASSIGNED: This retrospective chart review evaluated adult patients who received both IV iron sucrose and antibiotics during the same admission at Maine Medical Center in 2019. Data collected included iron studies, practices for prescribing IV iron, and clinical outcomes. Data were summarized using descriptive statistics.
    UNASSIGNED: A total of 197 patients were evaluated. The median duration of antibiotic therapy was 5(4-9) days. Iron and antibiotic administration overlapped in 153(77.7%) patients, with a mean overlap of 2.7(1-7) days. In the 44 patients without overlap, 20(46%) received IV iron before antibiotics. More than half (57%) of infection types involved urinary tract and respiratory systems. Approximately 2% of patients had antibiotic therapy broadened or duration extended, 7% died, and 16% were readmitted within 30 days of discharge.
    UNASSIGNED: Prior studies evaluating the risk of infection with IV iron published conflicting results. This is the only study that analyzed outcomes in patients receiving IV iron and antibiotics for infection but not undergoing hemodialysis during a hospital admission. Although our findings support that IV iron treatment is safe among patients with concomitant infection and iron deficiency, this finding may not be the case for all clinical subgroups.
    UNASSIGNED: This study showed that when patients were administered IV iron in the setting of acute bacterial infection in our facility, most patients did not have negative outcomes.
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  • 文章类型: Journal Article
    我们对随机临床试验进行了荟萃分析,评估了与其他静脉注射铁相比,羧基麦芽糖铁治疗在改善孕妇血红蛋白和血清铁蛋白方面的临床效果。我们还评估了羧基麦芽糖铁的安全性与其他静脉注射铁。
    EMBASE,PubMed,和WebofScience搜索了与孕妇中羧基麦芽糖铁相关的试验,2005年至2021年出版。我们还回顾了谷歌学者的文章。关键词\"羧基麦芽糖铁,\"\"FCM,静脉注射,\"\"随机化,\"\"怀孕,“\”生活质量,“和”新生儿结局“用于检索文献。搜索仅限于孕妇。
    扫描了与妊娠中羧基麦芽糖铁相关的研究。观察性研究,评论文章,病例报告被排除.涉及羧基麦芽糖铁和其他静脉铁制剂的孕妇随机研究入围。在256项研究中,选择9项随机对照试验.
    两名评审员独立地从9项选定的试验中提取数据。
    羧基麦芽糖铁治疗后血红蛋白增加的最终效应大小显着。蔗糖铁/聚麦芽糖铁(标准平均差0.89g/dl[95%置信区间0.27,1.51])。治疗后铁蛋白增加的最终效果大小对于羧基麦芽糖铁和蔗糖铁/聚麦芽糖铁(标准平均差22.53µg/L[-7.26,52.33])。没有严重不良事件的报告与铁羧基麦芽糖或其他静脉铁。
    在增加血红蛋白和铁蛋白水平治疗孕妇缺铁性贫血方面,羧基麦芽糖铁表现出比其他静脉注射铁更好的疗效。
    UNASSIGNED: We conducted a meta-analysis of randomized clinical trials evaluating the clinical effects of ferric carboxymaltose therapy compared to other intravenous iron in improving hemoglobin and serum ferritin in pregnant women. We also assessed the safety of ferric carboxymaltose vs. other intravenous iron.
    UNASSIGNED: EMBASE, PubMed, and Web of Science were searched for trials related to ferric carboxymaltose in pregnant women, published between 2005 and 2021. We also reviewed articles from google scholar. The keywords \"ferric carboxymaltose,\" \"FCM,\" \"intravenous,\" \"randomized,\" \"pregnancy,\" \"quality of life,\" and \"neonatal outcomes\" were used to search the literature. The search was limited to pregnant women.
    UNASSIGNED: Studies related to ferric carboxymaltose in pregnancy were scanned. Observational studies, review articles, and case reports were excluded. Randomized studies in pregnant women involving ferric carboxymaltose and other intravenous iron formulations were shortlisted. Of 256 studies, nine randomized control trials were selected.
    UNASSIGNED: Two reviewers independently extracted data from nine selected trials.
    UNASSIGNED: The final effect size for increase in hemoglobin after treatment was significant for ferric carboxymaltose vs. iron sucrose/iron polymaltose (standard mean difference 0.89g/dl [95% confidence interval 0.27,1.51]). The final effect size for the increase in ferritin after treatment was more for ferric carboxymaltose vs. iron sucrose/iron polymaltose (standard mean difference 22.53µg/L [-7.26, 52.33]). No serious adverse events were reported with ferric carboxymaltose or other intravenous iron.
    UNASSIGNED: Ferric carboxymaltose demonstrated better efficacy than other intravenous iron in increasing hemoglobin and ferritin levels in treating iron deficiency anemia in pregnant women.
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  • 文章类型: Case Reports
    钩虫感染是缺铁性贫血的重要原因,特别是在居住在不发达热带国家的严重感染高危人群中。粪便检查是用于钩虫诊断的主要方法;然而,它的灵敏度相对较低。在常规的上消化道内窥镜检查中偶然诊断出钩虫感染。我们介绍了一名60岁的埃塞俄比亚农民的情况,他患有严重的缺铁性贫血和粪便中的隐血阳性。反复的粪便检查未发现卵或寄生虫。食管胃十二指肠镜检查显示十二指肠中存在钩虫。患者接受阿苯达唑和硫酸亚铁治疗。对十二指肠进行仔细的内镜检查对于确定引起慢性胃肠道出血和缺铁性贫血的意外钩虫感染至关重要。
    Hookworm infection is an important cause of iron deficiency anemia, especially in heavily infected high-risk populations residing in underdeveloped tropical countries. Stool examination is the main method used for hookworm diagnosis; however, its sensitivity is relatively low. Hookworm infections have been incidentally diagnosed during routine upper gastrointestinal endoscopies. We present the case of a 60-year-old Ethiopian farmer who had severe iron deficiency anemia and positive occult blood in the stool. Repeated stool examinations revealed no ova or parasites. Esophagogastroduodenoscopy revealed the presence of hookworms in the duodenum. The patient was treated with albendazole and ferrous sulfate. Careful endoscopic examination of the duodenum is crucial for identifying unsuspected hookworm infection responsible for chronic gastrointestinal bleeding and iron deficiency anemia.
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  • 文章类型: Journal Article
    背景:一些研究报道,缺铁性贫血(IDA)及其治疗可能导致糖化血红蛋白(HbA1c)值的扭曲读数。因此,本综述旨在系统探讨铁替代疗法(IRT)对HbA1c水平的影响,因为文献缺乏对这种临床现象的评估。
    方法:对Cochrane的电子搜索,MEDLINE,Embase数据库由四位独立作者进行.
    结果:在使用搜索策略确定的8332篇文章中,10条记录(共有2113名参与者)符合纳入标准并进行了分析。在九项研究中,发现IRT降低HbA1c水平;在其余研究中,发现IRT增加HbA1c水平。IDA治疗组和对照组之间HbA1c水平的汇总标准化平均差异的效应大小为1.8(95%CI=-0.5,2.31)。使用I2和χ2检验评估异质性,结果值分别为98.46%和p=0.09。此外,HbA1c水平之间的平均差异(IRT前和IRT后)显示HbA1c水平下降,范围为1.20~0.43mg/dL.
    结论:结果表明IRT降低了HbA1c水平,它有助于治疗血糖控制不佳的IDA患者。因此,这些结果为抗糖尿病药物剂量和医师对最初升高的HbA1c值的解释提供了更多的视角.
    BACKGROUND: Several studies have reported that iron-deficiency anemia (IDA) and its treatment might lead to a distorted reading of glycated hemoglobin (HbA1c) value. Hence, this review aims to systematically investigate the effect of iron replacement therapy (IRT) on HbA1c levels, as the literature is deficient in assessing this clinical phenomenon.
    METHODS: An electronic search of the Cochrane, MEDLINE, and Embase databases was conducted by four independent authors.
    RESULTS: Among the 8332 articles identified using the search strategy, 10 records (with a total of 2113 participants) met the inclusion criteria and were analyzed. In nine of the studies, IRT was found to decrease HbA1c levels; in the remaining study, IRT was found to increase HbA1c levels. The effect size of the pooled standardized mean difference in HbA1c levels between the treatment and control groups with IDA was 1.8 (95% CI = -0.5, 2.31). Heterogeneity was assessed using the I2 and χ2 tests, and the resultant values were 98.46% and p = 0.09, respectively. Additionally, the mean difference between the HbA1c levels (pre-IRT and post-IRT) showed a drop in the HbA1c levels which ranged from 1.20 to 0.43 mg/dL.
    CONCLUSIONS: The results suggest that IRT decreases HbA1c levels, and it is helpful in treating IDA patients with poor glycemic control. Accordingly, the results provide an added perspective on antidiabetic medication dosing and physicians\' interpretation of initially elevated HbA1c values.
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  • 文章类型: Journal Article
    背景:在胰十二指肠切除术(PD)中,去除负责铁吸收的十二指肠和上空肠,这可能导致手术期间大出血,并导致PD后缺铁性贫血。这项研究的目的是评估接受胰十二指肠切除术的患者的血液学特征的总体变化。还研究了术前静脉铁治疗对手术后贫血恢复的影响。
    方法:从2021年3月至2021年12月,纳入因壶腹周围病变在我们机构接受治疗性PD的患者。根据手术前是否给予铁,将其分为两组。在IV铁族中,所有患者均在手术日前约3~7天常规静脉注射1,000mg羧基麦芽糖铁.相反,对照组患者在PD前未接受静脉补铁.术前和术后5、14和30天测量血液学特征的变化。对两组患者的临床结果进行对比分析。此外,我们对选定的术前血红蛋白水平为12.0g/dl或更高的非贫血患者进行了亚组分析,以比较两组之间的血液学变化.
    结果:对静脉补铁组30例患者和对照组34例患者进行分析。尽管在术后并发症或死亡率方面没有观察到差异,与对照组相比,静脉补铁组术后2周血红蛋白和铁水平的恢复明显更快.在整个术后期间,IV铁组的铁水平显着升高。在对非贫血患者进行的亚组分析中,在整个术后期间,IV铁组的血红蛋白水平恢复明显更快,并保持较高,尽管两组的基线血红蛋白水平相似.此外,静脉补铁组的重症监护病房住院时间明显短于对照组.
    结论:术前静脉铁剂治疗可有效促进患者在PD术后恢复期的血液学特征恢复,无论术前是否存在贫血,从而预防术后缺铁性贫血。
    BACKGROUND: In pancreaticoduodenectomy (PD), the duodenum and upper jejunum responsible for iron absorption are removed, which can lead to massive hemorrhage during surgery and cause iron deficiency anemia after PD. The aim of this study was to evaluate overall changes in hematologic profiles of patients who underwent pancreaticoduodenectomy. Effect of preoperative intravenous iron treatment on recovery of anemia after surgery was also investigated.
    METHODS: From March 2021 to December 2021, patients who underwent curative PD at our institution due to periampullary lesions were enrolled. They were divided into two groups according to whether or not iron was administered before surgery. In the IV iron group, all patients had been routinely administered with 1000 mg of ferric carboxymaltose intravenously once about 3-7 days before the operation day. Contrarily, patients in the control group did not receive intravenous iron before PD. Changes in hematological profile were measured preoperatively and at 5, 14, and 30 days postoperatively. Clinical results of the two groups were compared and analyzed. Additionally, a subgroup analysis was performed for selected non-anemic patients who had preoperative hemoglobin level of 12.0 g/dl or higher to compare changes in hematologic profiles between the two groups.
    RESULTS: Thirty patients of the IV iron group and 34 patients of the control group were analyzed. Although no difference was observed in postoperative complications or mortality, hemoglobin and iron levels were recovered significantly faster at two weeks postoperatively in the IV iron group than in the control group. Iron levels were significantly higher in the IV iron group throughout the postoperative period. In subgroup analysis conducted for non-anemic patients, hemoglobin levels were recovered significantly faster and maintained higher in the IV iron group throughout the postoperative period, although baseline levels of hemoglobin were similar between the two groups. In addition, the length of intensive care unit stay was significantly shorter in the IV iron group than in the control group.
    CONCLUSIONS: Preoperative intravenous iron treatment might be effective in facilitating recovery of hematologic profiles of patients during the recovery period after PD regardless of the presence of preoperative anemia, thus preventing postoperative iron deficiency anemia.
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  • 文章类型: Journal Article
    全世界约有5亿育龄妇女患贫血,伊拉克31%的15-49岁孕妇患有贫血。这种情况与孕产妇和胎儿发病率和死亡率的风险增加有关,包括死产,流产,早产,低出生体重。这项研究调查了伊拉克初生科的缺铁性贫血(IDA)与体重指数(BMI)之间的相关性。从卡尔巴拉的巴格达医疗城教学医院和妇产科教学医院招募了一百名孕产妇女。参与者根据BMI分为四组:体重不足(BMI<18.5kg/m^2),正常体重(BMI18.5-24.9kg/m^2),超重(BMI25-29.9kg/m^2),和肥胖(BMI≥30kg/m^2)。从参与者那里收集了人口统计学和病史数据,和血液学调查进行测量血红蛋白(Hb),细胞体积(PCV),平均红细胞体积(MCV),和血清铁蛋白水平.在p<0.05时确定统计学显著性。这项研究招募了100名初产妇,包括10个体重不足,24正常体重,28超重,和38名肥胖参与者。分析显示,与正常体重组相比,肥胖个体的Hb水平显着降低。此外,在肥胖者和其他三组之间观察到血清铁蛋白水平的显着差异(体重过重,正常体重,和超重)。结果表明,高BMI与血清铁蛋白和Hb水平呈负相关。该研究得出的结论是,与体重正常的女性相比,肥胖孕妇的贫血更为常见。此外,它显示了缺铁性贫血(IDA)与孕妇体重指数(BMI)相关的不同趋势。
    Anemia affects approximately half a billion women of reproductive age worldwide, with 31% of pregnant women in Iraq aged 15-49 years experiencing anemia. This condition is associated with increased risks of maternal and fetal morbidity and mortality, including stillbirths, miscarriages, prematurity, and low birth weight. This study investigated the correlation between iron-deficiency anemia (IDA) and body mass index (BMI) among primigravidae in Iraq. One hundred primiparous women in their third trimester were recruited from Baghdad Medical City Teaching Hospital and Teaching Hospital of Obstetrics and Gynecology in Karbala. Participants were categorized into four groups based on BMI: underweight (BMI < 18.5 kg/m^2), normal weight (BMI 18.5-24.9 kg/m^2), overweight (BMI 25-29.9 kg/m^2), and obese (BMI ≥ 30 kg/m^2). Demographic and medical history data were collected from the participants, and hematological investigations were conducted to measure hemoglobin (Hb), packed cell volume (PCV), mean corpuscular volume (MCV), and serum ferritin levels. Statistical significance was determined at p<0.05. The study enrolled 100 primiparous women, including 10 underweight, 24 normal weight, 28 overweight, and 38 obese participants. Analysis revealed a significant decrease in Hb levels among obese individuals compared to the normal weight group. Moreover, a significant difference in serum ferritin levels was observed between the obese and the other three groups (underweight, normal weight, and overweight). The findings indicated an inverse correlation between high BMI and serum ferritin and Hb levels. The study concluded that anemia is more common in obese pregnant women compared to normal-weight women. Furthermore, it demonstrates varying trends of iron-deficiency anemia (IDA) in relation to the body mass index (BMI) of pregnant women.
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  • 文章类型: Journal Article
    目的:本研究的目的是使用谱域光学相干断层扫描(SD-OCT)评估缺铁性贫血(IDA)对乳头周围视网膜神经纤维层(RNFL)厚度的影响。
    方法:本研究在印度中部的三级眼保健中心进行。
    方法:这项研究是一项前瞻性的,横截面,病例控制,和观察性研究。
    方法:在本研究中,将IDA患者的58只眼与健康人的58只眼进行比较。所有的人都接受了彻底的血液学检查,临床,和眼科检查,然后使用SD-OCT进行乳头周围RNFL分析。
    结果:共116只眼纳入研究。病例的平均RNFL厚度(RNFLT)为97.26±5.96,对照组为102.32±6.26(P=0.005)。在时间上有明显的RNFL损失(66.76±6.1,P=0.02),优于(119.66±10.47,P=0.01),鼻部(73.59±9.52,P=0.003),病例和对照组的下象限(129.05±10.96,P=0.001)。血清血红蛋白,铁,铁蛋白,总铁结合能力,转铁蛋白饱和度较低(P<0.05)。平均RNFLT与血红蛋白呈正相关(r=0.321)。铁(r=0.122),铁蛋白(r=0.152),和转铁蛋白(r=0.190)水平。
    结论:在IDA患者中,与正常健康个体相比,所有象限的RNFLT均降低。下壁和鼻部RNFL显示厚度显著降低。近视的存在,青光眼,糖尿病和高血压视网膜病变可以在RNFL变薄中发挥累加作用,并导致明显的视力丧失;因此,纠正贫血至关重要。迫切需要提高公众和卫生专业人员对这些问题及其预防的认识,诊断,和管理。
    OBJECTIVE: The aim of this study is to evaluate the effect of iron-deficiency anemia (IDA) on peripapillary retinal nerve fiber layer (RNFL) thickness using spectral-domain optical coherence tomography (SD-OCT).
    METHODS: The study was conducted at tertiary eye care center in Central India.
    METHODS: This study was a prospective, cross-sectional, case-control, and observational study.
    METHODS: In the present study, 58 eyes of patients with IDA were compared with 58 eyes of healthy individuals. All individuals underwent a thorough hematological, clinical, and ophthalmic examination, followed by peripapillary RNFL analysis using SD-OCT.
    RESULTS: A total of 116 eyes were included in the study. The average RNFL thickness (RNFLT) in the cases was 97.26 ± 5.96, and 102.32 ± 6.26 (P = 0.005) in controls. There was a significant RNFL loss in the temporal (66.76 ± 6.1, P = 0.02), superior (119.66 ± 10.47, P = 0.01), nasal (73.59 ± 9.52, P = 0.003), and inferior (129.05 ± 10.96, P = 0.001) quadrants in the cases and controls. Serum hemoglobin, iron, ferritin, total iron-binding capacity, and transferrin saturation were lower in the cases (P < 0.05). A positive correlation was observed between average RNFLT and hemoglobin (r = 0.321), iron (r = 0.122), ferritin (r = 0.152), and transferrin (r = 0.190) levels.
    CONCLUSIONS: In patients with IDA, RNFLT was decreased in all quadrants compared to normal healthy individuals. The inferior and nasal RNFL showed a significant decrease in thickness. The presence of myopia, glaucoma, and diabetic and hypertensive retinopathy can exert an additive effect in the thinning of RNFLs and cause significant visual loss; hence, the correction of anemia is essential. There is a pressing need to raise public and health professional awareness of these problems and their prevention, diagnosis, and management.
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  • 文章类型: Journal Article
    背景:贫血仍然是一个全球性的公共卫生问题,尤其是在发展中国家。它主要影响五岁以下的儿童(CU5),育龄妇女(WRA),和孕妇,因为他们对铁的需求较高。最常见的贫血形式是缺铁性贫血(IDA)。据估计,IDA每年导致全球一半的贫血病例和一百万人死亡。然而,仍然缺乏基于全球和区域代表性人群样本的有据可查和生物化学评估的IDA患病率.在这项研究中,我们旨在评估2018年国家营养调查(NNS),以确定IDA在巴基斯坦CU5和WRA的患病率和危险因素.
    方法:对NNS2018进行了二次分析,这是一项横断面调查,它收集了关于饮食习惯的数据,营养不良,和粮食不安全。贫血定义为儿童血红蛋白水平<11.0g/dL,女性血红蛋白水平<12.0g/dL。IDA定义为低血红蛋白和低铁蛋白(<12ng/mL)水平,在CU5和WRA中使用AGP和CRP生物标志物调整炎症。使用Stata统计软件(第16版)进行单变量和多变量逻辑回归。我们还比较了2018年和2011年NNS的IDA率。
    结果:共17,814个CU5和22,114个WRA纳入分析。在CU5中,28.9%有IDA,而18.4%的WRA报告有IDA经验。在CU5中,IDA在居住在农村地区的6-23个月大的男性儿童中最普遍,并且在过去2周内出现腹泻和发烧。母亲没有受过教育的孩子,年龄在20-34岁之间,并受雇,IDA患病率较高。已婚WRA,被雇用的人,生活在农村地区,没有受过教育,IDA患病率较高。在多变量逻辑回归中,6-23个月的儿童(AOR=1.19,95%CI[1.08-1.33],p<0.001),并且在最后2周内存在腹泻(AOR=1.32,95%CI[1.13-1.54],p<0.001)或发烧(AOR=1.16,95%CI[1.02-1.32],p=0.02)有更高的IDA几率。在家庭层面,CU5中最贫困家庭发生IDA的几率更高(AOR=1.27,95%CI[1.08-1.50],p=0.005),CU5≥5(AOR=1.99,95%CI[1.28-3.11],p=0.002),并且无法获得改善的卫生设施(AOR=1.17,95%CI[1.02-1.34],p=0.026)。对于WRA,多变量逻辑回归发现,在维生素A缺乏的女性中,IDA的几率更高(严重:AOR=1.26,95%CI[1.05-1.52],p=0.013;轻度:AOR=1.36,95%CI[1.23-1.51],p<0.001),缺锌(AOR=1.42,95%CI[1.28-1.57],p<0.001),没有受过教育(AOR=1.53,95%CI[1.30-1.81],p<0.001),以及来自严重粮食不安全的家庭(AOR=1.20,95%CI[1.07-1.34],p=0.001)。在体重指数超重的女性中,IDA的几率较低(AOR=0.77,95%CI[0.69-0.86],p<0.001)或肥胖(AOR=0.71,95%CI[0.62-0.81],p<0.001)。
    结论:孩子的年龄,出现腹泻或发烧,居住地,家庭大小,财富地位,在巴基斯坦CU5中,获得卫生设施与IDA显著相关。对于WRA,教育,身体质量指数,维生素A和锌的状态,家庭粮食安全状况,财富地位,和获得卫生设施与国际开发协会密切相关。大,建立良好,政府资助的方案侧重于补充微量营养素,食物强化,食品供应的多样化,以及需要治疗和预防传染病和寄生虫病,以预防巴基斯坦儿童和妇女的各种贫血。
    BACKGROUND: Anemia remains a global public health problem, especially in developing countries. It affects primarily children under five (CU5), women of reproductive age (WRA), and pregnant women due to their higher need for iron. The most common form of anemia is iron-deficiency anemia (IDA). IDA is estimated to cause half of all anemia cases and one million deaths per year worldwide. However, there remains a lack of well-documented and biochemically assessed prevalence of IDA based on the representative population-based samples globally and regionally. In this study, we aimed to assess the National Nutrition Survey (NNS) 2018 to identify the prevalence and risk factors of IDA in Pakistani CU5 and WRA.
    METHODS: Secondary analysis was conducted on the NNS 2018, a cross-sectional survey, which collected data on dietary practices, malnutrition, and food insecurity. Anemia was defined as hemoglobin levels < 11.0 g/dL in children and 12.0 g/dL in women. IDA was defined as low hemoglobin and low ferritin (<12 ng/mL) levels, adjusted for inflammation using AGP and CRP biomarkers in CU5 and WRA. Univariate and multivariable logistic regressions were conducted using Stata statistical software (version 16). We also compared the IDA rates of NNS 2018 and 2011.
    RESULTS: A total of 17,814 CU5 and 22,114 WRA were included in the analysis. Of the CU5, 28.9% had IDA, while 18.4% of WRA reported to experience IDA. Among the CU5, IDA was most prevalent among male children aged 6-23 months living in rural areas and with the presence of diarrhea and fevers in the last 2 weeks. Children whose mothers had no education, were aged 20-34 years, and employed, had a higher prevalence of IDA. Married WRA, who are employed, living in rural areas, and with no education, had a higher prevalence of IDA. In the multivariable logistic regression, children aged 6-23 months (AOR = 1.19, 95% CI [1.08-1.33], p < 0.001) and with the presence of diarrhea in the last 2 weeks (AOR = 1.32, 95% CI [1.13-1.54], p < 0.001) or fever (AOR = 1.16, 95% CI [1.02-1.32], p = 0.02) had higher odds of IDA. At the household level, the odds of IDA among CU5 were higher in the poorest households (AOR = 1.27, 95% CI [1.08-1.50], p = 0.005), with ≥5 CU5 (AOR = 1.99, 95% CI [1.28-3.11], p = 0.002), and with no access to improved sanitation facilities (AOR = 1.17, 95% CI [1.02-1.34], p = 0.026). For WRA, the multivariable logistic regression found that the odds of IDA were higher among women with vitamin A deficiency (Severe: AOR = 1.26, 95% CI [1.05-1.52], p = 0.013; Mild: AOR = 1.36, 95% CI [1.23-1.51], p < 0.001), zinc deficiency (AOR = 1.42, 95% CI [1.28-1.57], p < 0.001), no education (AOR = 1.53, 95% CI [1.30-1.81], p < 0.001), and from severely food insecure households (AOR = 1.20, 95% CI [1.07-1.34], p = 0.001). The odds of IDA were lower among women whose body mass index was overweight (AOR = 0.77, 95% CI [0.69-0.86], p < 0.001) or obese (AOR = 0.71, 95% CI [0.62-0.81], p < 0.001).
    CONCLUSIONS: The child\'s age, presence of diarrhea or fever, place of residence, household size, wealth status, and access to sanitation facilities were significantly associated with IDA among CU5 in Pakistan. For WRA, education, body mass index, vitamin A and zinc status, household food security status, wealth status, and access to sanitation facilities were significantly associated with IDA. Large, well-established, government-funded programmes focused on micronutrient supplementation, food fortification, the diversification of food supplies, and the treatment and prevention of infectious and parasitic diseases are needed to prevent IDA and all forms of anemia among children and women in Pakistan.
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