Differences in the predictive value of red cell distribution width for the mortality of patients with heart failure due to various heart diseases

Background Increased red blood cell distribution width （RDW） is associated with adverse outcomes in patients with heart failure （HF）. The objective of this study was to compare the differences in the predictive value of RDW in patients with HF due to different causes. Methods We retrospectively investigated 1,021 HF patients from October 2009 to December 2011 at Fuwai Hospital （Beijing, China）. HF in these patients was caused by three diseases; coronary heart disease （CHD）, dilated cardiomyopathy （DCM） and valvular heart disease （VHD）. Patients were followed-up for 21 ~ 9 months. Results The RDW, mortality and survival duration were significantly different among the three groups. Kaplan-Meier analysis showed that the cumulative survival decreased significantly with increased RDW in patients with HF caused by CHD and DCM, but not in those with HF patients caused by VHD. In a multivariable model, RDW was identified as an independent predictor for the mortality of HF patients with CHD （P 〈 0.001, HR 1.315, 95% CI 1.122-1.543）. The group with higher N-terminal pro-brain natriuretic peptide （NT-proBNP） and higher RDW than median had the lowest cumulative survival in patients with HF due to CHD, but not in patients with HF due to DCM. Conclusions RDW is a prognostic indicator for patients with HF caused by CHD and DCM; thus, RDW adds important information to NT-proBNP in CHD caused HF patients.

Red blood cell level is increased in obese but not in non-obese patients with coronary heart disease

Objective To examine the changes of red blood cell levels in the obese and non-obese patients with coronary heart disease （CHD） and its clinical significance. Methods 230 cases of coronary heart disease were selected and divided into the obese group and the non- obese group. Obesity and non-obesity were defined based on the body mass index （BMI if 28.0kg/m2）, or waist-hip ratio （men〉 0.9, women〉 0.85）. In addition, 130 healthy subjects were recruited as controls. The pathological status of coronary lesions was quantita- tively analyzed according to the Coronary Vascular Image Segmentation Evaluation Criteria （American Heart Association 1984） and the Gensini scoring system. Results of the changes of both the hemoglobin levels and the red blood cell count in the obese group, the non- obese group with CHD and the control group were compared. Besides, Multivariant Logistic Regression Analysis was applied to assess the correlation between the red blood cells and the coronary artery disease. Results The red blood cell count and the level of hemoglobin in the obese group with CHD was higher than that in the non-obese group with CHD [（4.35 ± 0,55） and （4.13 ± 0.56） 10^9/L; （136.71± 15.87） and （129.96 ±16.23） g/L, P 〈 0.05 in both]; the proportion of acute coronary syndrome in the obese group with CHD was higher in the obese group with CI-/D than that in the non-obese group with CHD （P〈0.05）; Multivariant logistic regression analysis also showed that the red blood cell count was positively correlated with obesity with CHD.Conclusion The red blood cell count and the level of hemoglobin in the obese group were higher than those in the non-obese group; the increase of red blood cell count and hemoglobin level is one of the independent risk factors for the obese patients with CHD.

Evaluation of Red Cell Distribution Width and Platelet Indices in Children with Chronic Heart Disease

Background: Platelets play a key role in the development and progression of cardiovascular diseases. Also red cell distribution width (RDW%) & platelet indices are a good predictor of clinical outcomes. Purpose: Study the relationship between RDW%, platelets count, mean platelet volume (MPVfl) and platelet distribution width (PDWfl) in children with congenital heart disease (CHD) or rheumatic heart diseases (RHD). Subjects and Methods: The study was carried on 151 children diagnosed as CHD or RHD selected from pediatric department of Al-Zahraa University Hospital and National Heart Institute. They were aged from 6 months to 12 years. Another 80 apparently healthy children were taken as controls. Complete blood count and echocardiography examination were evaluated for all participants. Results: The mean value of RDW% was increased in CHD and RHD than controls, RDW% higher in cyanotic CHD (CCHD) (either decompensated or compensated) than acyanotic CHD, and in decompensated RHD than compensated RHD with more than one valve affection. The mean platelets count were decreased in cyanotic than acyanotic CHD, platelets count were increased in decompensated than compensated RHD either with one valve or more than one valve affection. The mean values of MPV and PDW were increased in decompensated CHD, but it decreased in decompensated RHD. Conclusion: The RDW%, MPV and PDW considered as simple markers in the follow up of patients with CHD or RHD for early detection of serious complication.

Climatic Experiment on Guizhou Red Heart Kiwifruit Ulcer Disease

Using the climatic data, such as extreme minimum temperature and relative humidity, in 15 bases in the main planting area of Guizhou Red Heart Kiwifruit from December 1st to next April 30th, respectively, from 2010 to 2018, combined with the monitoring of red heart kiwifruit ulcer disease, we analyze the occurrence and prevalence of meteorological factors and dynamic characteristics of the red heart kiwifruit ulcer disease in Guizhou, China. The results showed that the main period of occurrence and prevalence of red heart kiwifruit ulcer was from March to April. In winter, when the daily average temperature of 5 d and above is ≤2°C, the daily extreme minimum temperature is ≤−2°C, and the daily average relative humidity is ≥75%, it is beneficial for the ulcer pathogen to lurk and propagate in the plant. It is suggested that this meteorological condition should be used as an early warning indicator for the prevention of ulcer disease of red heart kiwifruit, in order to actively organize prevention after the emergence of early warning indicators to improve the prevention and treatment effect. In spring, the average daily temperature of 5 d and above is ≤18°C, and the daily average relative humidity is ≥80%, which is easy to induce ulcer disease. It can be seen that the first is the winter climatic conditions to meet the breeding of ulcer disease, and then the spring climatic conditions must also meet the rapid propagation of ulcer disease, ulcer disease can occur, develop and popularize. It is of great practical significance to carry out experiments on the relationship between the occurrence of ulcer disease in Guizhou red heart kiwifruit and meteorological conditions.

Effect of aerobic exercise training on red blood cell parameters, vascular endothelial function in elderly patients with coronary heart disease and chronic heart failure

Objective: To investigate effect of aerobic exercise training combined with conventional drug on red blood cell parameters, vascular endothelial function and cardiac function in elderly patients with coronary heart disease complicated with chronic heart failure. Methods: A total of 110 elderly patients with coronary heart disease and chronic heart failure according to random data table were divided into control group (n=54) and observation group (n=56). The patients in control group were treated with conventional drug, and patients in the observation group received conventional drug combined with aerobic exercise training. Before and after treatment, levels of red blood cell parameters, vascular endothelial function and cardiac function indexes were compared between the two groups. Results: Before treatment, the difference of HCT, RDW, RBC, NO, ET-1, LVEF, LVEDD and LVESD levels in the two groups were not significantly. After treatment, HCT and RBC levels in two groups were no statistically significant difference;The levels of RDW, ET-1, LVEDD and LVESD in observation group were significantly lower than those in this group before treatment, and significantly lower than those in the control group after treatment;The levels of NO and LVEF in two groups were significantly higher than those in the group before treatment, and levels of NO and LVEF in the observation group were significantly higher than those in control group after treatment. Conclusion: The clinical effect of aerobic exercise training combined with conventional drug in treatment of senile coronary heart disease with chronic heart failure was significant, which can effectively increase the RDW level of patients, improve vascular endothelial function and heart function, it has important clinical value.

Effects of trimetrazine combined with Rhodiolarosea on patients with coronary heart disease combined with heart failure and RDW and GDF-15 levels

Objective: To investigate the effect of Rhodiola sachalinensis combined with trimetazidine on patients with coronary heart disease complicated with heart failure and the influence of RDW (Red Blood Cell Distribution Width), GDF-15 (Growth and Differentiation Factor 15) level. Methods: A total of 104 patients with coronary heart disease and heart failure treated in our hospital from March 2016 to November 2018 were randomly divided into control group and observation group, 52 cases in each group. After admission, patients in the control group were given routine symptomatic treatment according to the course of the disease, including angiotensin-converting enzyme inhibitors or angiotensin receptor antagonists, diuretics, beta-blockers and other drugs. The observation group was treated with Dazhu Hongjingtian injection combined with trimetazidine on the basis of the treatment measures of the control group. At the end of the course of treatment, the therapeutic effects of the two groups were evaluated, and the indexes of cardiac function before and after treatment were tested, including:left ventricular end-diastolic diameter (LEVDD), left ventricular end-systolic diameter (LVESD), left ventricular ejection fraction (LVEF, Left Ventricular End-Diastolic Dimension), left ventricular ejection fraction (Left Ventricular Enje). The changes of RDW and GDF-15 levels before and after treatment were analyzed and compared between the two groups. Results: The total effective rate of the observation group was 95.00%, which was significantly higher than that of the control group. After treatment, the LVEF value of the observation group was significantly higher than that of the control group, but the LVESD and LVEDD of the observation group were significantly lower than that of the control group. After treatment, the content of GDF-15 in the observation group was significantly lower than that of the control group;the RDW of the observation group was lower than that of the There was no significant difference. Conclusion: Trimetazidine combined with Rhodiola sachalinensis can effectively treat patients with coronary heart disease and heart failure, and can effectively reduce the levels of RDW and GDF-15. It has good clinical application prospects.

Red blood cell distribution width in heart failure: A narrative review

The red blood cell distribution width(RDW) is a simple, rapid, inexpensive and straightforward hematological parameter, reflecting the degree of anisocytosis in vivo. The currently available scientific evidence suggests that RDW assessment not only predicts the risk of adverse outcomes(cardiovascular and all-cause mortality, hospitalization for acute decompensation or worsened left ventricular function) in patients with acute and chronic heart failure(HF), but is also a significant and independent predictor of developing HF in patients free of this condition. Regarding the biological interplay between impaired hematopoiesis and cardiac dysfunction, many of the different conditions associated with increased heterogeneity of erythrocyte volume(i.e., ageing, inflammation, oxidative stress, nutritional deficiencies and impaired renal function), may be concomitantly present in patients with HF, whilst anisocytosis may also directly contribute to the development and worsening of HF. In conclusion, the longitudinal assessment of RDW changes over time may be considered an efficient measure to help predicting the risk of both development and progression of HF.

Investigation and Identification of Fungal Diseases of Kiwifruit in Qiandongnan Prefecture

[Objectives]The paper was to investigate and identify the fungal diseases of wild and red heart kiwifruit in Qiandongnan Prefecture.[Methods]The pathogenic fungi were isolated from diseased leaves and fruits of wild and red heart kiwifruit by tissue separation method.DNA sequencing was carried out by using the sequence analysis of ribosomal r DNA-ITS region,and molecular evolutionary trees were built by using MEGA 4.0 software.Finally,the pathogenic fungi were classified and identified by combining morphological observation.[Results]The main fungal diseases were anthracnose caused by Colletotrichum gloeosporioides on wild kiwifruit,fruit anthracnose caused by C.acutatum on red heart kiwifruit,leaf soft rot caused by Fusarium incarnatum on red heart kiwifruit,and brown spot caused by Alternaria alternata on red heart kiwifruit.[Conclusions]The study may provide some theoretical basis for the control of kiwifruit diseases in Qiandongnan Prefecture.

黄芪治疗糖尿病合并冠心病的作用机制探讨

目的:运用网络药理学分析方法探究黄芪治疗糖尿病合并冠心病的可能性作用靶点以及其作用机制。方法:借助TCMSP平台及Uniprot数据库检索筛选黄芪的活性成分及其相应靶点;在GeneCards数据库、OMIM数据库中检索糖尿病合并冠心病的疾病靶点,通过Cytoscape 3.9.1得到黄芪-活性成分-靶基因的可视化网络图;将疾病与药物对应靶点共同提交Venny2.1.0生成相交靶点,并通过蛋白质相互作用(STRING)平台构建蛋白质相互作用(PPI)网络。基于Metascape 3.9.1数据库进行GO富集分析和KEGG通路富集分析明确可能涉及到的生物进程及信号通路。最后应用分子对接技术对上述猜想进行粗浅验证。结果:共获取黄芪的关键化合物17个,对应靶点195个,疾病相关靶点3815个,导入Venny2.1.0中生成163个交集靶点。富集分析结果表明:黄芪治疗糖尿病合并冠心病主要涉及激素反应(response to hormone)、细胞有机循环化合物反应(cellular response to organic cyclic compound)、细胞脂质反应(cellular response to lipid)、无机物反应(response to inorganic substance)等生物进程;可能涉及到癌症通路(Pathways in cancer)、脂质及动脉硬化通路(Lipid and atheroscierosis)、糖尿病并发症中的AGE-RAGE信号通路(AGE-RAGE signaling pathway in diabetic complications)、P13K-AKT信号通路(P13K-AKt signaling pathway)等信号通路。分子对接结果提示药物活性分子与核心靶点有较好的结合。结论:该研究揭示了黄芪在机体内可能参与抑制胰岛素抵抗、糖脂代谢调控等众多生物进程,以多成分、多靶点、多通路实现对糖尿病合并冠心病的治疗作用。

纤维蛋白原与红细胞计数比值对经皮冠状动脉介入治疗合并糖尿病的冠心病患者死亡的预测价值

目的探讨基线纤维蛋白原与红细胞计数比值(FRR)对经皮冠状动脉介入治疗(PCI)合并糖尿病的冠心病(CHD)患者死亡的预测价值。方法本研究回顾性纳入1027例行PCI治疗的CHD合并糖尿病患者。其中,排除基线资料不全以及失访的患者,最终纳入990例。终点事件是全因死亡,平均随访时间为35.1±26.2个月。根据FRR中位数分为2组:低组(FRR<0.666;n=495)和高组(FRR≥0.666;n=495)。利用多元Cox比例风险模型,我们对FRR在追踪期间预测结果的价值进行了评估,并通过Kaplan-Meier方法执行了生存率分析。结果两组间性别、吸烟、饮酒、PT、DBIL、TP、TBIL、ALB和GLO等差异有统计学意义(P<0.05)。高FRR组的死亡率明显高于低FRR组(P=0.001)。多因素Cox比例风险模型,FRR是死亡事件的独立预测因子(校正后的HR为5.740[1.916-17.196],P=0.002)。受试者工作特征曲线(ROC)示,FRR、FIB和RBC的曲线下面积分别为0.658、0.616和0.377。通过结合多因素Cox比例风险模型和生存曲线分析,结果显示,两组间的生存差异显著(P<0.05)。结论FRR与死亡独立相关,并可作为PCI术后CHD合并糖尿病患者不良预后的独立预测因子。

RDW、HCT、NLR水平与急性心力衰竭患者病情严重程度的相关性

目的:分析红细胞体积分布宽度(RDW)、血细胞比容(HCT)、中性粒细胞/淋巴细胞比值(NLR)水平与急性心力衰竭患者病情严重程度的相关性。方法:选取2021年8月至2023年3月该院收治的128例急性心力衰竭患者为研究组,另选取同期本院128名健康体检者为对照组。比较两组、不同美国纽约心脏病协会心功能分级患者RDW、HCT、NLR水平,采用Spearman相关性分析RDW、HCT、NLR水平与急性心力衰竭患者病情严重程度的相关性。结果:研究组RDW、NLR水平均高于对照组,HCT水平低于对照组,差异有统计学意义(P<0.05);心功能分级Ⅳ级患者RDW、NLR水平均高于Ⅲ级、Ⅱ级患者,且Ⅲ级患者高于Ⅱ级患者,心功能分级Ⅳ级患者HCT水平均低于Ⅲ级、Ⅱ级患者,且Ⅲ级患者低于Ⅱ级患者,差异有统计学意义(P<0.05);Spearman相关性分析结果显示,RDW、NLR水平与急性心力衰竭患者病情严重程度均呈正相关(r>0,P<0.05),HCT水平与急性心力衰竭患者病情严重程度呈负相关(r<0,P<0.05)。结论:RDW、NLR水平与急性心力衰竭患者病情严重程度均呈正相关,HCT水平与急性心力衰竭患者病情严重程度呈负相关。

基于网络药理学探究丹参-黄芪药对治疗冠心病合并2型糖尿病的分子机制

目的:通过网络药理学方法研究丹参-黄芪药治疗冠心病(CHD)合并2型糖尿病(T2DM)的分子机制。方法:借助中药系统药理学数据库与分析平台(TCMSP)和Swiss Target Prediction获得丹参和黄芪的活性成分及对应靶点,利用GeneCards数据库和在线人类孟德尔遗传数据库(OMIM)获取CHD和T2DM的相关靶点。使用Venn2.1.0平台得到相应药物靶点与疾病靶点的交集并将其导入String数据库以构建蛋白相互作用网络,然后将PPI网络导入Cytoscape3.9.1软件构建“药物-有效成分-靶点”,筛选可能发挥治疗作用的核心靶点,将交集靶点导入Metascape数据库进行基因本体(GO)富集分析和京都基因和基因组百科全书(KEGG)信号通路富集分析获知其潜在的作用机制,在微生信进行可视化处理。结果:药物共筛选到58个有效成分并得到737个靶点。得到CHD的靶点共2869个,得到T2DM的靶点共2393个,其中交集靶点247个。PPI网络筛选出核心靶点44个。经GO分析和KEGG分析,表明丹参-黄芪可能主要通过调控多条信号通路发挥抗炎、胰岛素抵抗、抗氧化应激的作用来对CHD合并T2DM起到治疗作用。结论:本研究运用网络药理学的分析方法预测丹参-黄芪药对治疗CHD合并T2DM可能的活性成分、关键靶点及作用通路,体现中药治疗疾病具有“多成分、多靶点、多途径”的特点,为其药效物质基础和作用机制研究提供理论基础,印证临床上运用丹参-黄芪药对治疗CHD合并T2DM的可行性。

孕早期红细胞叶酸与胎儿先天性心脏病的相关性研究

目的:通过检测孕早期的孕妇红细胞叶酸水平,来探讨胎儿先天性心脏病与红细胞叶酸的相关性。方法:选取2020年10月至2021年10月在本院产检的168例孕妇为研究对象,病史资料完整。收集孕期及分娩后诊断为先天性心脏病的病例,回顾性调查其母亲孕早期检测的红细胞叶酸。40例符合入组条件的病例设为观察组。选取同期正常的新生儿,回顾性调查孕早期的红细胞叶酸,选取128例设为对照组。将研究数据采用社会统计学软件SPSS 19进行统计分析。结果:对照组红细胞叶酸水平(2468.68±609.48)nmol/L,高于观察组的(2241.06±490.93)nmol/L,t检验P=0.033<0.05,差异有统计学意义,两组孕妇的红细胞叶酸数据通过单因素条件的Logistic回归分析,红细胞叶酸OR值=0.313<1,P<0.05。结论:红细胞叶酸与胎儿先天性心脏病的发生有相关性,是胎儿先天性心脏病发生的一个保护因素。

参芎葡萄糖治疗慢性阻塞性肺疾病合并肺源性心脏病的临床效果

目的探讨参芎葡萄糖治疗慢性阻塞性肺疾病(COPD)合并肺源性心脏病(PHD)的临床效果。方法选取2022年1月—2024年1月收治的228例COPD合并PHD,采用随机数字表法随机将其分为观察组和对照组2组各114例。观察组给予参芎葡萄糖联合常规治疗,对照组给予常规治疗。比较2组血常规指标(红细胞、血红蛋白、红细胞比容、血小板计数)、凝血指标[D-二聚体(D-D)、凝血酶原时间(PT)、活化部分凝血酶原时间(APTT)、纤维蛋白原(FIB)]、肝肾功能[血尿素(BUN)、血肌酐(Scr)、天冬氨酸转氨酶(AST)、丙氨酸转氨酶(ALT)、总蛋白(TP)]、血气指标[动脉血氧分压(PaO_(2))、动脉血二氧化碳分压(PaCO_(2))、动脉血氧饱和度(SaO_(2))]、心型脂肪酸结合蛋白(H-FABP)、肌钙蛋白I(cTnI)、N末端B型脑钠肽前体(NT-proBNP)、肺动脉收缩压(PASP)、急性生理学及慢性健康状况评估系统Ⅱ(APACHEⅡ)评分,并统计入院28 d病死情况、治疗期间不良反应。结果治疗后,2组红细胞、血红蛋白、红细胞比容、血小板计数、D-D、FIB、PaCO_(2)、H-FABP、cTnI、NT-proBNP、PASP、APACHEⅡ低于治疗前,且观察组低于对照组;2组PT、APTT、PaO_(2)、SaO_(2)高于治疗前,且观察组高于对照组(P<0.05,P<0.01)。治疗前后,2组组间和组内BUN、Scr、AST、ALT、TP比较无明显差异(P>0.05)。观察组入院28 d病死率和治疗期间不良反应发生率(7.02%,8/114;7.89%,9/114)与对照组(10.53%,12/114;5.26%,6/114)比较无明显差异(P>0.05)。结论参芎葡萄糖可改善COPD合并PHD患者血常规、凝血指标及血气指标,并降低H-FABP、cTnI、NT-proBNP水平,进而减轻心肌损伤程度,缓解患者病情。

三项炎症因子(CRP、PCT和IL-6)联合红细胞分布宽度与血小板计数比值在早期冠心病诊断中的价值研究

目的 研究三项炎症因子(CRP、PCT和IL-6)联合红细胞分布宽度与血小板计数比值在早期冠心病(CHD)诊断中的价值。方法 选取2020年3月-2022年3月于我院就诊的早期CHD患者98例纳入CHD组,选取同期于我院行体检的健康志愿者98例纳入健康组作为对比,分别测定两组患者C反应蛋白(CRP)、降钙素原(PCT)、白细胞介素-6(IL-6)、红细胞分布宽度(RDW)和血小板计数(PLT),计算出RDW和PLT比值(RPR),对比三项炎症因子(CRP、PCT、IL-6)诊断与RPR进行早期CHD联合诊断与单一诊断的价值。结果 CHD组CRP、IL-6、PCT、RDW和RPR水平高于健康组,PLT水平更低(P<0.05)。三项炎症因子(CRP、IL-6、PCT)对CHD的诊断敏感度为80.61%,特异度为70.41%;RPR诊断的敏感度为81.63%,特异度为79.59%;三项炎症指标联合RPR诊断敏感度为92.86%,特异度为91.84%,高于单一诊断结果(P<0.05)。结论 采用三项炎症因子(CRP、IL-6、PCT)联合RPR对早期CHD进行诊断,具有较高的诊断价值,对于早期疾病筛查有一定意义,值得临床广泛应用。

黄芪治疗缺血性心脏病的临床观察

应用黄芪治疗９２例缺血性心脏病，并分别与心痛定和丹参片作对照。结果表明，黄芪组取得比较好的疗效。用药后不仅心绞痛等症状明显缓解，而且能改善心电图、心阻抗图等临床多种客观指标，尤其对心电图改变比较明显，心电图总有效率为８２．６％。疗效显著高于对照组（Ｐ＜０．０５）。

甘温除大热法对冠心病患者炎性因子的干预作用

目的观察中药黄芪对不同年龄段冠心病(CHD)患者的临床疗效。方法选择42例CHD患者,根据年龄分为中青年组(35～59岁,20例)、老年组(60～77岁,22例)。2组CHD患者在常规治疗基础上加用中药黄芪,每日30g,4w为一个疗程,共治疗三个疗程,分别在治疗前后测定其血清C反应蛋白(CRP)含量。结果经黄芪治疗后,CRP水平较治疗前均有不同程度的下降(P<0.01)。其中老年组CRP水平下降更为明显,与中青年组比较差异显著(P<0.05)。结论中药黄芪能够有效地抑制CHD患者的血清CRP水平,对老年患者疗效尤其显著。

生脉散注射液与黄芪注射液对冠心病伴左心功能不全的疗效比较

目的：观察生脉散注射液与黄芪注射液对冠心病伴左心功能不全（ＬＶＤ）的疗效比较。方法：冠心病伴ＬＶＤ５１例。生脉散组３２例，给生脉散注射液８支（１０ｍＬ／支）加入１０％葡萄糖注射液５００ｍＬ静脉滴注（静滴），ｑｄ；黄芪对照组１９例，应用黄芪注射液６支（２ｍＬ／支）加入１０％葡萄糖注射液５００ｍＬ静滴，ｑｄ，２组均用药１４ｄ。结果：生脉散不仅能改善左室收缩功能（ＳＶ，ＣＯ，ＣＩ，ＦＳ，ＥＦ）（Ｐ＜０．０１），对舒张功能也有显著的疗效（ＰＥ，ＥＳ，ＰＥ／ＰＡ）（Ｐ＜０．０１）。临床无明显不良反应。而黄芪注射液仅对左心收缩功能（ＣＯ，ＣＩ，ＦＳ，ＥＦ）有改善（Ｐ＜０．０１或Ｐ＜０．０５）。结论：生脉散注射液治疗冠心病伴ＬＶＤ疗效优于黄芪注射液。

红细胞分布宽度与心血管疾病的研究进展

红细胞分布宽度（red blood cell distribution width，RDW）是外周血细胞常规检测项目之一，它反映外周血红细胞体积大小不同的变异程度。过去常常把其与红细胞平均容积（mean corpuscular volume，MCV）一起作为贫血的诊断及鉴别诊断的主要指标，

有氧运动训练对老年冠心病伴慢性心力衰竭患者红细胞参数、血管内皮功能的影响

目的:探讨有氧运动训练联合常规药物治疗老年冠心病伴慢性心力衰竭,对患者红细胞参数、血管内皮功能及心功能的影响。方法:110例老年冠心病伴慢性心力衰竭患者依据随机数据表法分为对照组(n=54)和观察组(n=56)。对照组给予常规药物治疗,观察组患者给予常规药物联合有氧运动训练治疗,比较治疗前后两组的红细胞参数、血管内皮功能及心功能指标水平。结果:治疗前,观察组的HCT、RDW、RBC、NO、ET-1、LVEF、LVEDD及LVESD水平与对照组比较,差异无显著性(P>0.05)。治疗后,两组HCT和RBC水平比较,差异无统计学意义(P>0.05);观察组RDW、ET-1、LVEDD及LVESD水平均显著低于组内治疗前,均显著低于对照组治疗后水平,差异比较均有显著性(P<0.05);两组治疗后NO和LVEF水平较组内治疗前均显著升高(P<0.05),且治疗后观察组NO和LVEF水平显著高于对照组,差异有统计学意义(P<0.05)。结论:有氧运动联合常规药物治疗老年冠心病伴慢性心力衰竭效果显著,可有效改善患者血管内皮功能及心功能,提升RDW水平,具有重要的临床价值。