BACKGROUND Looking for undiscovered blood markers of liver fibrosis and steatosis still remains an issue worth exploring.There are still plenty of unresolved issues related to the actual role of hematological indices ...BACKGROUND Looking for undiscovered blood markers of liver fibrosis and steatosis still remains an issue worth exploring.There are still plenty of unresolved issues related to the actual role of hematological indices as potential markers of liver function.AIM To study red blood cell distribution width(RDW),RDW-to-platelet ratio(RPR)and RDW-to-lymphocyte ratio(RLR) in alcohol-related liver cirrhosis(ALC) and metabolic-associated fatty liver disease(MAFLD).METHODS The study group was composed of 302 people:142 patients with ALC and 92 with MAFLD;68 persons were included as controls.RDW,RPR and RLR were measured in each person.Indirect and direct parameters of liver fibrosis were also assessed [aspartate transaminase to alkaline transaminase ratio,aspartate transaminase to platelet ratio index(APRI),fibrosis-4(FIB-4),gamma-glutamyl transpeptidase to platelet ratio(GPR),procollagen I carboxyterminal propeptide,procollagen Ⅲ aminoterminal propeptide,transforming growth factor-α,plateletderived growth factor AB,laminin].MELD score in ALC patients and nonalcoholic fatty liver disease(NAFLD) fibrosis score together with BARD score were obtained in the MAFLD group.The achieved results were compared to controls.Then a correlation between assessed markers was done.Diagnostic value of each investigated parameter and its suggested cut-off in the research group RESULTS RDW,RPR and RLR values turned out to be significantly higher in ALC and MAFLD groups compared to controls(ALC:P<0.0001;NAFLD:P<0.05,P<0.0001 and P<0.0001,respectively).RPR correlated positively with MELD score(P<0.01) and indirect indices of liver fibrosis(FIB-4 and GPR;P<0.0001) in ALC patients;negative correlations were found between PDGF-AB and both:RDW and RPR(P<0.01 and P<0.0001,respectively).RPR correlated positively with NAFLD fibrosis score and APRI(P<0.0001) in the MAFLD group;a positive relationship was observed between RDW and FIB-4,too(P<0.05).AUC values and suggested cut-offs for RDW,RPR and RLR in ALC patients were:0.912(>14.2%),0.965(>0.075) and 0.914(>8.684),respectively.AUC values and suggested cut-offs for RDW,RPR and RLR in MAFLD patients were:0.606(>12.8%),0.724(>0.047) and 0.691(>6.25),respectively.CONCLUSION RDW with its derivatives appear to be valuable diagnostic markers in patients with ALC.They can also be associated with a deterioration of liver function in this group.展开更多
目的通过比较7种红细胞参数计算公式对黔南地区儿童缺铁性贫血(IDA)和地中海贫血(TT)的鉴别诊断的效能,选择适合本地区的计算公式,并建立其最佳截断值。方法选取2022年5月至2024年2月在我院就诊的105例患儿为研究对象,根据诊断将其分为T...目的通过比较7种红细胞参数计算公式对黔南地区儿童缺铁性贫血(IDA)和地中海贫血(TT)的鉴别诊断的效能,选择适合本地区的计算公式,并建立其最佳截断值。方法选取2022年5月至2024年2月在我院就诊的105例患儿为研究对象,根据诊断将其分为TT组(55例)和IDA组(50例)。对两组患儿的7个红细胞参数结果和7个红细胞参数计算公式的敏感度(SEN)、特异度(SPE)、约登指数(YI)、阳性预测值、阴性预测值、受试者工作特征曲线下面积(AUC)、根据YI最大值确定的鉴别诊断最佳临界值进行回顾性比较分析。结果TT组的RBC、HBG和MCHC高于IDA组,而MCV、MCH和RDW低于IDA组(P<0.05);Green and King公式鉴别诊断效能最高,其AUC为0.893、SEN为80.0%、SPE为88.0%、YI为68.0%,其最佳截断值为75.9。结论Green and King公式对黔南地区儿童TT和IDA的鉴别诊断能力较好,建议在基层医院推广应用。展开更多
Background:Studies on animals have demonstrated that maternal iron deficiency anaemia(IDA)could result in decreased cochlear sensory hair cells and reduced amplitudes of distortion-product otoacoustic emissions(DPOAEs...Background:Studies on animals have demonstrated that maternal iron deficiency anaemia(IDA)could result in decreased cochlear sensory hair cells and reduced amplitudes of distortion-product otoacoustic emissions(DPOAEs)of young guinea pigs.Thus,it is essential to study the functioning of cochlear hair cells using DPOAEs in human newborn babies with maternal IDA.The current study explores maternal IDA’s effect on DPOAEs in newborn babies.Method:A total of 110 newborn babies with gestational age≥34 weeks were considered and a‘betweensubjects’design was used.The participants were divided into 3 groups-“Normal”(61 babies without maternal IDA),“Mild”(28 babies with mild maternal IDA)and“Moderate”(21 babies with moderate maternal IDA).The cord blood was collected and the DPOAEs were recorded for each baby for a range of frequencies(1 k 8 kHz)and a range of intensities(7040 dB SPL in 10 dB steps).Results:The analysis of both DP-gram and DP input-output(I/O)function showed that there was no significant difference(p>0.05)across the normal,mild,and moderate groups in the overall presence of DPOAEs as well as the amplitude across frequencies or intensities(7040 dB SPL).Also,the overall correlation of RBC indices with DPOAE amplitude across frequencies as well as the slope of the I/O function showed no relationship.Conclusion:The current study concludes that there is no effect of late-term maternal IDA on the DPOAEs of newborn babies.展开更多
目的探讨红细胞参数计算公式对儿童β-地中海贫血(β-TT)诊断的意义及其影响因素分析。方法选择200例小细胞低色素性贫血的临床资料进行回顾性分析。其中β-TT 104例,缺铁性贫血(IDA)96例。将相关的红细胞参数分别代入Green and King指...目的探讨红细胞参数计算公式对儿童β-地中海贫血(β-TT)诊断的意义及其影响因素分析。方法选择200例小细胞低色素性贫血的临床资料进行回顾性分析。其中β-TT 104例,缺铁性贫血(IDA)96例。将相关的红细胞参数分别代入Green and King指数(GKI)及Mentzer指数(MI)计算得出相应的结果。分别以GKI=65(β-TT≤65,IDA>65)、GKI=73(β-TT≤73,IDA>73)、MI=13(β-TT≤13,IDA>13)为诊断界值,比较这3种方法对于鉴别β-TT和IDA的敏感度(SEN)、特异度(SPE)、阳性预测值(PPV)、阴性预测值(NPV)及约登指数(YI),绘制受试者工作特征(ROC)曲线及计算曲线下面积(AUC),并分析影响鉴别效能较好的计算公式的准确性的可能因素。结果本地区儿童β-TT基因缺陷类型以CD41-42(-TTCT)杂合突变、IVS-Ⅱ-654(C→T)杂合突变和CD17(A→T)杂合突变为主。MI(β-TT≤13,IDA>13)的诊断效能明显高于GKI(β-TT≤65,IDA>65或β-TT≤73,IDA>73),差异均有统计学意义(P<0.05),MI的AUC为0.840;以MI=13为最佳界值,YI=63.06%。年龄≤4个月的患儿使用MI的准确性偏低(P<0.05),性别和检测前是否使用铁剂治疗对MI的准确性无影响(P>0.05)。结论MI(β-TT≤13,IDA>13)对于鉴别β-TT和IDA具有较高的临床价值,为保障MI的准确性,建议适用年龄>4个月,对于年龄≤4个月的患儿建议联合血红蛋白电泳和地中海贫血基因检测以提高检查的准确性。展开更多
目的:探讨益气化瘀清热方及其拆方对IgA肾病(IgAN)大鼠蛋白尿、血尿及其血生化的影响。方法:将165只雄性Wistar大鼠随机分为11组,采用BSA+CCL4+LPS的实验方法制备IgAN模型,益气化瘀清热方干预;观察各组大鼠尿红细胞计数、24 h尿蛋白定量...目的:探讨益气化瘀清热方及其拆方对IgA肾病(IgAN)大鼠蛋白尿、血尿及其血生化的影响。方法:将165只雄性Wistar大鼠随机分为11组,采用BSA+CCL4+LPS的实验方法制备IgAN模型,益气化瘀清热方干预;观察各组大鼠尿红细胞计数、24 h尿蛋白定量(UTP)、血生化情况。结果:在尿红细胞计数、24 h UTP方面,模型组第6周末时开始出现升高,并且逐渐加重。在第10周时,雷公藤多苷组、复方高剂量组与模型组比较明显下降(P<0.01);其余各组仍持续升高。第12周末时,各治疗组与模型组比较均显著降低(P<0.01)。复方高剂量组降低最明显,益气组最差;化瘀组和清热组表达高于复方组,低于益气组;化瘀高剂量组和清热高剂量组表达高于复方高剂量组,低于益气高剂量组;各组药物高剂量组表达低于低剂量组。在血生化结果方面,于第12周末检测实验大鼠血生化指标情况,各干预组大鼠TP、TCH、TG、Cr、BUN与空白组比较差异无统计学意义(均P>0.05);在ALT、AST方面,雷公藤多苷组与其他各组之间比较显著升高,差异有统计学意义(P<0.01);其他各组间比较无统计学意义。结论:益气化瘀清热方及其拆方能够较明显降低实验中IgAN大鼠血尿及蛋白尿情况,且对肝、肾功能无影响。展开更多
基金The survey was accepted by the local ethics committee of the Medical University of Lublin(No.KE-0254/86/2016).
文摘BACKGROUND Looking for undiscovered blood markers of liver fibrosis and steatosis still remains an issue worth exploring.There are still plenty of unresolved issues related to the actual role of hematological indices as potential markers of liver function.AIM To study red blood cell distribution width(RDW),RDW-to-platelet ratio(RPR)and RDW-to-lymphocyte ratio(RLR) in alcohol-related liver cirrhosis(ALC) and metabolic-associated fatty liver disease(MAFLD).METHODS The study group was composed of 302 people:142 patients with ALC and 92 with MAFLD;68 persons were included as controls.RDW,RPR and RLR were measured in each person.Indirect and direct parameters of liver fibrosis were also assessed [aspartate transaminase to alkaline transaminase ratio,aspartate transaminase to platelet ratio index(APRI),fibrosis-4(FIB-4),gamma-glutamyl transpeptidase to platelet ratio(GPR),procollagen I carboxyterminal propeptide,procollagen Ⅲ aminoterminal propeptide,transforming growth factor-α,plateletderived growth factor AB,laminin].MELD score in ALC patients and nonalcoholic fatty liver disease(NAFLD) fibrosis score together with BARD score were obtained in the MAFLD group.The achieved results were compared to controls.Then a correlation between assessed markers was done.Diagnostic value of each investigated parameter and its suggested cut-off in the research group RESULTS RDW,RPR and RLR values turned out to be significantly higher in ALC and MAFLD groups compared to controls(ALC:P<0.0001;NAFLD:P<0.05,P<0.0001 and P<0.0001,respectively).RPR correlated positively with MELD score(P<0.01) and indirect indices of liver fibrosis(FIB-4 and GPR;P<0.0001) in ALC patients;negative correlations were found between PDGF-AB and both:RDW and RPR(P<0.01 and P<0.0001,respectively).RPR correlated positively with NAFLD fibrosis score and APRI(P<0.0001) in the MAFLD group;a positive relationship was observed between RDW and FIB-4,too(P<0.05).AUC values and suggested cut-offs for RDW,RPR and RLR in ALC patients were:0.912(>14.2%),0.965(>0.075) and 0.914(>8.684),respectively.AUC values and suggested cut-offs for RDW,RPR and RLR in MAFLD patients were:0.606(>12.8%),0.724(>0.047) and 0.691(>6.25),respectively.CONCLUSION RDW with its derivatives appear to be valuable diagnostic markers in patients with ALC.They can also be associated with a deterioration of liver function in this group.
文摘目的通过比较7种红细胞参数计算公式对黔南地区儿童缺铁性贫血(IDA)和地中海贫血(TT)的鉴别诊断的效能,选择适合本地区的计算公式,并建立其最佳截断值。方法选取2022年5月至2024年2月在我院就诊的105例患儿为研究对象,根据诊断将其分为TT组(55例)和IDA组(50例)。对两组患儿的7个红细胞参数结果和7个红细胞参数计算公式的敏感度(SEN)、特异度(SPE)、约登指数(YI)、阳性预测值、阴性预测值、受试者工作特征曲线下面积(AUC)、根据YI最大值确定的鉴别诊断最佳临界值进行回顾性比较分析。结果TT组的RBC、HBG和MCHC高于IDA组,而MCV、MCH和RDW低于IDA组(P<0.05);Green and King公式鉴别诊断效能最高,其AUC为0.893、SEN为80.0%、SPE为88.0%、YI为68.0%,其最佳截断值为75.9。结论Green and King公式对黔南地区儿童TT和IDA的鉴别诊断能力较好,建议在基层医院推广应用。
文摘Background:Studies on animals have demonstrated that maternal iron deficiency anaemia(IDA)could result in decreased cochlear sensory hair cells and reduced amplitudes of distortion-product otoacoustic emissions(DPOAEs)of young guinea pigs.Thus,it is essential to study the functioning of cochlear hair cells using DPOAEs in human newborn babies with maternal IDA.The current study explores maternal IDA’s effect on DPOAEs in newborn babies.Method:A total of 110 newborn babies with gestational age≥34 weeks were considered and a‘betweensubjects’design was used.The participants were divided into 3 groups-“Normal”(61 babies without maternal IDA),“Mild”(28 babies with mild maternal IDA)and“Moderate”(21 babies with moderate maternal IDA).The cord blood was collected and the DPOAEs were recorded for each baby for a range of frequencies(1 k 8 kHz)and a range of intensities(7040 dB SPL in 10 dB steps).Results:The analysis of both DP-gram and DP input-output(I/O)function showed that there was no significant difference(p>0.05)across the normal,mild,and moderate groups in the overall presence of DPOAEs as well as the amplitude across frequencies or intensities(7040 dB SPL).Also,the overall correlation of RBC indices with DPOAE amplitude across frequencies as well as the slope of the I/O function showed no relationship.Conclusion:The current study concludes that there is no effect of late-term maternal IDA on the DPOAEs of newborn babies.
文摘目的探讨红细胞参数计算公式对儿童β-地中海贫血(β-TT)诊断的意义及其影响因素分析。方法选择200例小细胞低色素性贫血的临床资料进行回顾性分析。其中β-TT 104例,缺铁性贫血(IDA)96例。将相关的红细胞参数分别代入Green and King指数(GKI)及Mentzer指数(MI)计算得出相应的结果。分别以GKI=65(β-TT≤65,IDA>65)、GKI=73(β-TT≤73,IDA>73)、MI=13(β-TT≤13,IDA>13)为诊断界值,比较这3种方法对于鉴别β-TT和IDA的敏感度(SEN)、特异度(SPE)、阳性预测值(PPV)、阴性预测值(NPV)及约登指数(YI),绘制受试者工作特征(ROC)曲线及计算曲线下面积(AUC),并分析影响鉴别效能较好的计算公式的准确性的可能因素。结果本地区儿童β-TT基因缺陷类型以CD41-42(-TTCT)杂合突变、IVS-Ⅱ-654(C→T)杂合突变和CD17(A→T)杂合突变为主。MI(β-TT≤13,IDA>13)的诊断效能明显高于GKI(β-TT≤65,IDA>65或β-TT≤73,IDA>73),差异均有统计学意义(P<0.05),MI的AUC为0.840;以MI=13为最佳界值,YI=63.06%。年龄≤4个月的患儿使用MI的准确性偏低(P<0.05),性别和检测前是否使用铁剂治疗对MI的准确性无影响(P>0.05)。结论MI(β-TT≤13,IDA>13)对于鉴别β-TT和IDA具有较高的临床价值,为保障MI的准确性,建议适用年龄>4个月,对于年龄≤4个月的患儿建议联合血红蛋白电泳和地中海贫血基因检测以提高检查的准确性。
文摘目的:探讨益气化瘀清热方及其拆方对IgA肾病(IgAN)大鼠蛋白尿、血尿及其血生化的影响。方法:将165只雄性Wistar大鼠随机分为11组,采用BSA+CCL4+LPS的实验方法制备IgAN模型,益气化瘀清热方干预;观察各组大鼠尿红细胞计数、24 h尿蛋白定量(UTP)、血生化情况。结果:在尿红细胞计数、24 h UTP方面,模型组第6周末时开始出现升高,并且逐渐加重。在第10周时,雷公藤多苷组、复方高剂量组与模型组比较明显下降(P<0.01);其余各组仍持续升高。第12周末时,各治疗组与模型组比较均显著降低(P<0.01)。复方高剂量组降低最明显,益气组最差;化瘀组和清热组表达高于复方组,低于益气组;化瘀高剂量组和清热高剂量组表达高于复方高剂量组,低于益气高剂量组;各组药物高剂量组表达低于低剂量组。在血生化结果方面,于第12周末检测实验大鼠血生化指标情况,各干预组大鼠TP、TCH、TG、Cr、BUN与空白组比较差异无统计学意义(均P>0.05);在ALT、AST方面,雷公藤多苷组与其他各组之间比较显著升高,差异有统计学意义(P<0.01);其他各组间比较无统计学意义。结论:益气化瘀清热方及其拆方能够较明显降低实验中IgAN大鼠血尿及蛋白尿情况,且对肝、肾功能无影响。
