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1.
目的了解我国北方地区新生儿高胆红素血症的形成与尿苷二磷酸葡萄糖醛酸转移酶1A1(UGT1A1)和有机阴离子转运载体2(OATP2)基因突变的关系。方法应用聚合酶链反应-限制性片段长度多态性方法测定新生儿重症高胆红素血症、高胆红素血症及非高胆红素血症患儿的UGT1A1基因211位点(Gly71Arg)突变及OATP2基因388位点(Asn130Asp)突变,并检验各组基因型分布及等位基因频率差异。应用Logistic回归模型,分析两种基因突变对高胆红素血症的影响。结果重症高胆红素血症组68例,高胆红素血症组95例,对照组63例。重症高胆红素血症组和高胆红素血症组UGT1A1基因211位点突变率和OATP2基因388位点突变率均高于对照组(36.8%、26.8%比14.3%,25.7%、25.8%比9.5%,P均<0.05);重症高胆红素血症组和高胆红素血症组差异无统计学意义(P>0.05)。Logistic回归分析显示,UGT1A1基因211位点突变和OATP2基因388位点突变是新生儿重症高胆红素血症的危险因素,OR值(95%CI)分别为5.052(2.383~10.713)和2.692(1.236~5.862)(P=0.001和0.013)。结论携带UGT1A1基因211位点突变及OATP2基因388位点突变与新生儿高胆红素血症的形成有一定关系。  相似文献   

2.
遗传因素在广西新生儿高胆红素血症中的作用   总被引:7,自引:0,他引:7  
Fu WP  Liu Y 《中华儿科杂志》2005,43(10):743-747
目的探讨UGT1A1 G71R突变、OATP2A388G突变和G-6-PD缺乏对在广西新生儿高胆红素血症发病的作用。方法用四氮唑蓝定量法(NBT法)测定G-6-PD酶活性。聚合酶链反应-等位基因特异性寡核苷酸探针点杂交(PCR-ASO)法确定G71R基因型。限制性片段长度多态性分析(RFLP)检测A388G基因型。测定109例新生儿脐血的G-6-PD活性及G71R基因型,其中101例同时检测了A388G基因型。据G-6-PD活性及G71R或A388G基因型分组,分析UGT1A1G71R突变、OATP2A388G突变和G-6-PD缺乏与足月新生儿高胆红素血症之间关系。结果G71R等位基因频率在G-6-PD缺乏组为22.03%,在G-6-PD正常组为28.00%。G-6-PD缺乏共存有G71R突变纯合子或杂合子的新生儿高胆红素血症发生率(95.50%)高于G-6-PD正常且G71R为野生型的新生儿(53.90%),x^2=10.45,P=0.0012,前者发生高胆红素血症的机会比(95%可信区间)[OR(95%CI)]为18.00(2.12,152.9)。A388G等位基因频率在G-6-PD缺乏组为20.O%,在G-6-PD正常组为18.5%。G-6-PD缺乏共存有A388G突变新生儿的高胆红素血症发生率(90.0%)高于G-6-PD正常且A388G为野生型的新生)L(44.80%),X2=10.39,P=0.0013,前者发生高胆红素血症的伽(95%CT)为11.08(2.15,56.48)。结论G71R突变与G-6-PD缺乏共存或A388G突变与G-6-PD缺乏共存对广西足月新生儿高胆红素血症的发生有协同作用。  相似文献   

3.
目的探讨尿苷二磷酸葡萄糖醛酸转移酶1A1(UGT1A1)基因G71R突变与新生儿严重高胆红素血症的相关性。方法采用病例对照研究的方法,病例组为复旦大学附属儿科医院(我院)收治的不明原因严重高胆红素血症(血清总胆红素水平≥342μmol·L-1)新生儿,采用PCR对外周血UGT1A1基因进行检测。对照组为我院新生儿出生缺陷生物样本数据库中血清总胆红素水平221μmol·L-1病例。病例组及对照组新生儿均要求胎龄≥35周,出生体重≥2 500 g。结果病例组和对照组各65例。UGT1A1 G71R是病例组中最常见的突变类型(73.8%,48/65)。对照组UGT1A1 G71R突变位点与既往Meta分析中提取的中国健康新生儿对比,在基因型分布及等位基因频率上差异均无统计学意义(P0.05)。病例组和对照组UGT1A1基因G71R突变中A等位基因频率分别为0.5和0.15,差异有统计学意义(P0.001),把握度为0.993。与携带G/G基因型新生儿相比,UGT1A1 G71R突变(A/A+G/A基因)可增加新生儿严重高胆红素血症的发病风险(OR=7.373,95%CI:3.395~16.008),把握度为1.0。结论 UGT1A1基因G71R突变与新生儿不明原因严重高胆红素血症相关。  相似文献   

4.
有机阴离子转运体2(OATP2)是一种肝细胞膜上转运胆红素等物质的转运体,影响胆红素的代谢.OATP2 由有机阴离子转运体1B1(SLCO1B1)基因编码,该基因突变可抑制OATP2 的转运功能,致胆红素清除减慢,引起高胆红素血症.近年的研究显示,SLCO1B1 基因多态性可能与新生儿黄疸发生相关.该文综述了SLCO1B1 基因结构、功能及SLCO1B1 基因突变与新生儿黄疸的关系.  相似文献   

5.
目的观察有机阴离子转运多肽(OATP1B1)编码基因SLCO1B1的单核苷酸多态性与新生儿高胆红素血症的相关性。方法随机选取2014年9月至2016年9月住院的高胆红素血症新生儿300例为病例组,同时随机选取相匹配的无高胆红素血症新生儿300例为对照组。提取基因组DNA,采用Sequenom特定SNP位点分型检测SLCO1B1位点rs 59502379、rs 56101265、rs 72559748、rs 72559745、rs 56061388、rs 55901008、rs 4149056、rs 56199088,分析病例组与对照组的差异。结果 SLCO1B1位点rs59502379、rs56101265、rs72559745、rs56061388、rs55901008和rs56199088位点未检出多态性;rs4149056位点的等位基因突变频率病例组为12%、对照组为11%,差异无统计学意义(P0.05);rs72559748位点的等位基因突变频率病例组为2.5%,低于对照组的5.2%,提示该位点突变与新生儿高胆红素血症无关。结论OATP1B1编码基因SLCO1B1位点rs59502379、rs56101265、rs72559745、rs56061388、rs55901008、rs56199088未检出多态性,而SLCO1B1位点rs4149056及rs72559748位点检出多态性,但以上位点均与新生儿高胆红素血症发生无关。  相似文献   

6.
目的探讨胆红素-尿苷二磷酸葡萄糖醛酸酰转移酶(UGT1A1)基因c.1091C>T突变与新生儿高胆红素血症的相关性。方法选取湖南省儿童医院普通足月新生儿病房收治的不明原因高未结合胆红素血症新生儿142例作为观察组,随机选取同期无高胆红素血症新生儿71例作为对照组。收集静脉血,提取基因组DNA,PCR扩增UGT1A1基因启动子、外显子及其附近区域并测序。比较两组患儿及正常人群中c.1091C>T突变的等位基因频率,并根据基因测序结果将观察组进行分组,分析c.1091C>T突变与胆红素水平的关系。结果观察组UGT1A1基因c.1091C>T杂合突变15例,纯合突变2例,等位基因频率为0.0669,对照组未检测到c.1091C>T突变,两组间比较差异有统计学意义(P<0.01)。千人基因组计划数据库中东亚人群该位点的基因携带率为0.0109,与观察组比较差异有统计学意义(P<0.01)。观察组中,c.1091C>T突变组总胆红素峰值与野生型组比较,差异有统计学意义(P<0.05)。结论UGT1A1基因c.1091C>T突变在足月新生儿不明原因高胆红素血症中较为常见,该位点突变与新生儿不明原因高胆红素血症的发生相关。  相似文献   

7.
目的探讨尿苷二磷酸葡萄糖醛酸转移酶1A1(UGT1A1)基因Gly71Arg突变与新生儿高胆红素血症的关系。方法选择2009年6月至2011年4月深圳市第五人民医院出生的新生儿,分为高胆红素血症组(观察组)和对照组。采用突变特异性扩增系统法检测UGT1A1基因Gly71Arg突变。结果观察组168例,对照组157例,UGT1A1基因Gly71Arg突变中A等位基因频率分别为0.27和0.12,差异有统计学意义(χ2=22.58,P<0.05)。与携带G/G基因型新生儿相比,Gly71Arg突变(A/A+G/A)可增加新生儿高胆红素血症的发病风险(OR=2.71,95%CI1.68~4.38)。结论 UGT1A1基因Gly71Arg突变与新生儿高胆红素血症发生相关。  相似文献   

8.
目的探讨尿苷二磷酸葡萄糖醛酸转移酶1A1(UGT1A1)基因G1y71Arg多态性对新生儿重症高胆红素血症的影响。方法选取2014年7月至2015年7月我院收治的重症高胆红素血症新生儿为高胆组,生理性黄疸新生儿为对照组。采用聚合酶链反应扩增UGT1A1基因第一外显子,并对其产物进行DNA测序。结果高胆组和对照组各纳入60例,两组性别、出生体重、日龄、血型、入院时肝功能比较,差异均无统计学意义(P>0.05),入院时总胆红素值比较,差异有统计学意义(P<0.05)。两组UGT1A1基因第一外显子G1y71Arg基因型Arg/Arg、Arg/Gly、Gly/Gly频率分别为43.3%、50.0%、6.7%和3.3%、65.0%、31.7%,基因型分布差异有统计学意义(x~2=31.528,P<0.001);高胆组Gly71Arg中Arg等位基因频率为68.3%,显著高于对照组35.8%,差异有统计学意义(x~2=25.394,P<0.001)。UGT1A1基因Gly71Arg多态性是新生儿高胆红素血症的影响因素(OR=3.864,95%CI2.261~6.604)。结论 UGT1A1基因Gly71Arg多态性可能与新生儿重症高胆红素血症相关。  相似文献   

9.
目的探讨广西柳州三江县侗族新生儿UGT1A1基因变异特点及其与侗族新生儿高胆红素血症发生的关系。方法前瞻性选取2021年1月至2022年1月于三江县人民医院新生儿科诊断不明原因高胆红素血症的新生儿84例为研究对象;另选取同期健康新生儿60例纳入健康对照组。提取两组新生儿外周血基因组DNA,对UGT1A1启动子区TATA盒和外显子1进行PCR扩增并进行基因测序。结果病例组检测出33例G71R错义突变,突变率为39%,A等位基因频率(21%)显著高于健康对照组(10%)(P<0.05)。携带G71R错义突变基因型的侗族新生儿发生高胆红素血症的风险是携带野生型的健康新生儿的2.588倍(P<0.05)。Hardy-Weinberg遗传平衡检验结果提示两组新生儿UGT1A1 G71R位点基因型符合遗传平衡(P>0.05)。结论UGT1A1 G71R突变是三江县侗族新生儿高频基因变异类型,且G71R错义突变与侗族新生儿发生高胆红素血症相关。  相似文献   

10.
目的 探讨胆红素-尿苷二磷酸葡萄糖醛酸转移酶(UGT1A1)基因Gly71Arg变异与北京地区汉族新生儿黄疸发病的关系.方法 应用聚合酶链反应-限制性长度多态性方法测定无亲缘关系的北京地区汉族新生儿黄疸[病例组,n=96,总胆红素(307.6±38.5)μmoL/L,未结合胆红素(292.9±35.9)μmoL/L]与健康对照组[n=101,总胆红素(131.2±42.1)μmoL/L,未结合胆红素(126.3±39.7)μmoL/L]UGT1A1 Gly71Arg基因多态性的基因型,并检验二组基因型分布、等位基因频率差异和UGT1A1基因Gly71Arg变异对病例组总胆红素的效应.采用SPSS 10.0软件进行统计学分析,组间差异采用t检验及协方差分析,基因型频率采用χ2检验.结果 病例组新生儿UGT1A1 Gly71Arg基因多态性频率与健康对照组存在明显差异(χ2=9.47 P<0.01),Arg等位基因频率明显高于健康对照组(χ2=10.34 P<0.01).病例组新生儿UGT1A1 Gly71Arg基因多态性Arg等位基因纯合子携带者总胆红素水平明显高于杂合子携带者和非携带Arg等位基因者(Pa<0.001),采用协方差分析校正胎龄和出生体质量影响后,Arg等位基因纯合子携带者总胆红素水平仍明显高于杂合子携带者和非携带Arg等位基因者(Pa<0.001).结论 UGT1A1基因Gly71Arg变异可能是北京地区汉族新生儿黄疸的发病原因之一,该基因多态性Arg等位基因纯合子携带者黄疸更严重.  相似文献   

11.
Gao ZY  Zhong DN  Liu Y  Liu YN  Wei LM 《中华儿科杂志》2010,48(9):646-649
目的 探讨胆红素-尿苷二磷酸葡萄糖醛酸基转移酶1A1(UGT 1A1)基因突变对广西新生儿黄疸的影响.方法 收集73例高胆红素血症新生儿及31例健康新生儿外周血,应用突变特异性扩增系统(amplification refractory mutation system,ARMS)法及直接测序法对所有新生儿行UGT1A1基因G71R突变检测,分析胆红素脑病发生率,胆红素峰值及总胆红素(total serum bilirubin,TSB)>20 mg/dl的机会比.结果 (1)本研究人群G71R等位基因频率为0.1915,病例组为0.2329,健康对照组为0.097,病例组的G71R等位基因频率显著高于健康对照组(P<0.05).(2)G71R纯合子的胆红素脑病发病率及72 h的TSB浓度(28.57%,23.12±4.58 mg/dl)均高于野生型组(0%,17.68±2.69 mg/dl),差异有统计学意义(P<0.001).(3)G71R纯合子组中5例的TSB>20 mg/dl,G71R纯合子TSB>20 mg/dl的机会比(odds ratio,OR)为7.955,总体机会比95%可信区间(confidence interval,CI)为(1.349,46.899).结论 G71R突变与本地新生儿黄疸的发病存在相关性.G71R纯合子的胆红素脑病发病率及生后72 h的TSB较对照组及野生型增高.G71R纯合子发生TSB>20 mg/dl的危险性是野生型的7.955倍.  相似文献   

12.
目的探讨苍白球MRI信号改变与高胆红素血症的严重程度及其相关因素关系,为胆红素脑病诊断与预后判定提供客观依据。方法36例高胆红素血症新生儿(TSB〉342μmoL/L)在生后[10±6(2~34)]d接受头部MRI检查。场强1.5~3.0Tesla,扫描序列为T1WI,T2WI和DWI。2名不知被检者病史的放射科医师分析MRI结果。结果首次MRI有20例苍白球T1WI呈对称性高信号。有苍白球信号改变组的TSB、B/A及UCB均显著高于无改变组[(605.28±89.19)μmoL/L vs.(438.19±67.89)μmoL/L,(1.08±0.18)vs.(0.77±0.16),(555.49±92.3)μmoL/L vs.(412.01±54.8)μmoL/L,P=0.000],所有MRI-DWI均未见信号改变;TSB在342.0~427.5μmoL/L者9例,未见苍白球信号改变,427.5~513.0μmoL/L者7例,有改变者3例,超过525.0μmoL/L 20例,有改变者17例,黄疸程度与苍白球信号改变有密切关系(χ^2=15.000,P=0.000);15例ABE苍白球T1WI均呈对称性的高信号(χ^2=17.601,P=0.000),同时3例T2WI苍白球也呈对称性稍高信号(TSB分别为,745.3μmoL/L,735.7μmoL/L,707.6μmol/L)。7日内入院的25例中,16例苍白球有改变,平均入院时间显著晚于9例无改变者[(121.5±39.9)h vs.(68.9±35)h,P〈0.03]。6例接受了第2次MRI,其中3例ABE有2例苍白球信号转为T2WI高信号,临床均表现脑瘫,另1例苍白球信号正常,但有听力异常;余3例非ABE患儿,2例苍白球信号转为正常,1例两次均无苍白球信号异常,目前发育正常。结论MRI T1WI苍白球对称性高信号,与高胆红素血症的严重程度及暴露时间密切关系,是新生儿ABE的重要表现特征。T1WI高信号转变为T2WI高信号可能提示预后不良。  相似文献   

13.
ObjectiveTo determine whether three variants (388 G>A, 521 T>C, and 463 C>A) of the solute carrier organic anion transporter family member 1B1 (SLCO1B1) are associated with neonatal hyperbilirubinemia.Data sourceThe China National Knowledge Infrastructure and MEDLINE databases were searched. The systematic review with meta-analysis included genetic studies which assessed the association between neonatal hyperbilirubinemia and 388 G>A, 521 T>C, and 463 C>A variants of SLCO1B1 between January of 1980 and December of 2012. Data selection and extraction were performed independently by two reviewers.Summary of the findingsTen articles were included in the study. The results revealed that SLCO1B1 388 G>A is associated with an increased risk of neonatal hyperbilirubinemia (OR, 1.39; 95% CI, 1.07–1.82) in Chinese neonates, but not in white, Thai, Latin American, or Malaysian neonates. The SLCO1B1 521 T>C mutation showed a low risk of neonatal hyperbilirubinemia in Chinese neonates, while no significant associations were found in Brazilian, white, Asian, Thai, and Malaysian neonates. There were no significant differences in SLCO1B1 463 C>A between the hyperbilirubinemia and the control group.ConclusionThis study demonstrated that the 388 G>A mutation of the SLCO1B1 gene is a risk factor for developing neonatal hyperbilirubinemia in Chinese neonates, but not in white, Thai, Brazilian, or Malaysian populations; the SLCO1B1 521 T>C mutation provides protection for neonatal hyperbilirubinemia in Chinese neonates, but not in white, Thai, Brazilian, or Malaysian populations.  相似文献   

14.
目的:胰岛素样生长因子-1(IGF-1)是神经系统必需的调节因子,目前少有报道其与高胆红素血症之间的关系。该文主要通过测定高胆红素血症(高胆)新生儿血清中IGF-1水平及新生儿神经行为评分(NBNA)来探讨IGF-1与高胆的关系及其临床意义。方法:应用电化学发光分析法检测57例高胆新生儿和 25例正常新生儿血清中IGF-1 浓度,同步测定血清总胆红素(TSB)、未结合胆红素(USB)及白蛋白(ALB)含量,计算USB与ALB比值(B/A),并行新生儿 NBNA 评分。高胆组按血清TSB值221~256 μmol/L,257~342 μmol/L,>342 μmol/L分为轻、中、重三组;对照组TSB <85 μmol/L。结果:轻、中、重高胆患儿血清IGF-1浓度均值分别为39.38±8.42,30.77±4.65,26.34±2.05 ng/L,较对照组50.16±15.73 ng/ L明显降低,在轻、中、重高胆组间IGF-1浓度差异存在显著性(P<0.01),其值随着胆红素的升高而降低;轻、中、重高胆组NBNA评分均值分别为35.01±2.26,32.45±2.74,26.77±5.02,明显低于对照组38.24±0.78(P<0.01),高胆各组间差异也有显著性(P<0.01);血清IGF-1 浓度与NBNA评分呈正相关(r=0.603, P<0.01),与B/A值呈负相关(r=-0.483, P<0.01)。结论:高胆患儿血清IGF-1浓度显著降低,降低程度与血清胆红素水平有关;IGF-1可能与新生儿胆红素脑损伤密切相关。[中国当代儿科杂志,2009,11(5):357-360]  相似文献   

15.
Risk factors for severe hyperbilirubinemia in neonates   总被引:13,自引:0,他引:13  
The incidence of severe neonatal hyperbilirubinemia is higher in Asians than in whites. A case-control study was designed to investigate the effects of eight known risk factors [breast feeding, ABO incompatibility, premature birth, infection, cephalohematoma, asphyxia, glucose-6-phosphate dehydrogenase (G6PD) deficiency, and variant UDP-glucuronosyltransferase 1A1 (UGT1A1) gene] and a suspicious analog [organic anion transporter 2 (OATP 2) gene] on severe hyperbilirubinemia in Taiwanese neonates. The 72 study subjects and 100 hospital control subjects consisted of neonates with peak serum bilirubin levels > or =342 microM and <256.5 microM, respectively. The PCR-restriction fragment length polymorphism method was applied to detect the UGT1A1, OATP 2, and G6PD genes. The results of multivariate logistic regressions, adjusted for covariates, revealed odds ratios (ORs) of 4.64 [95% confidence interval (CI): 2.25-9.57; p < 0.001], 3.36 (95% CI: 1.54-7.35; p=0.002), and 3.02 (95% CI: 1.30-6.99; p=0.010) for neonates who were fed with breast milk, and carry the variant UGT1A1 gene at nucleotide 211 and the variant OATP 2 gene at nucleotide 388, respectively. The ORs, adjusted for covariates, for the other six risk factors were not statistically significant. The ORs in neonates who had one, two, and three significant risk factors were 8.46 (95% CI: 2.75-34.48; p < 0.001), 22.0 (95% CI: 5.50-88.0; p < 0.001), and 88.0 (95% CI: 12.50-642.50; p < 0.001), respectively. In conclusion, neonates who carry the 211 and 388 variants in the UGT1A1 and OATP 2 genes, respectively, as well as feed with breast milk are at high risk to develop severe hyperbilirubinemia.  相似文献   

16.
To determine the relationship between total serum bilirubin (TSB) during the first 2 days of life and subsequent neonatal morbidity in very low birth weight (VLBW, less than 1500 g) infants. We performed a prospective study of 582 VLBW infants born between July 1, 2005 and December 31, 2009. TSB was measured in umbilical cord blood (UCB), at 24 and 48 h after birth. Demographic and clinical characteristics of infants in hospital were recorded. The interaction between TSB variables during the first 48 h of life and subsequent neonatal morbidity were assessed in logistic regression analyses adjusted for multiple risk factors. It was found that TSB in UCB was in a negative correlation with occurrence of respiratory distress syndrome (RDS) [OR 0.626, 95% confidence interval (95% CI): 0.446–0.879, p = 0.007], and there was also a negative correlation between TSB in UCB and occurrence of intraventricular hemorrhage (IVH) [OR 0.695, 95% CI 0.826–0.981, p = 0.020]. However, TSB in UCB positively correlated with hyperbilirubinemia [OR 2.471, 95% CI 1.326–3.551, p = 0.012], and TSB at 24 h after birth was also in a positive correlation with early onset sepsis (EOS) [OR 1.299, 95% CI 1.067–1.582, p = 0.011]. VLBW infants with low TSB levels in UCB were more likely to develop RDS and IVH, and those with low TSB levels in UCB were less likely to develop hyperbilirubinemia. Infants with high TSB levels at 24 h after birth were more likely to develop EOS. The protective effect of raised TSB in UCB with respect to RDS and IVH warrants further investigation.  相似文献   

17.
目的:探讨尿苷二磷酸葡萄糖醛酸转移酶1A1(UGT1A1)Gly71Arg、TATA盒基因突变和葡萄糖-6-磷酸脱氢酶(G6PD)基因突变与新生儿高未结合胆红素血症的关系。方法:UGT1A1 TATA盒、外显子1、外显子5和G6PD基因外显子12经PCR扩增和测序,构建突变样本的克隆,对其进行验证。分析病例组及对照组UGT1A1 Gly71Arg和TATA盒基因多态性频率的差异,应用logistic回归分析基因突变对新生儿高未结合胆红素血症发生的影响。结果:病例组UGT1A1 Gly71Arg基因多态性的基因型分布与对照组比较差异有统计学意义(P0.05)。Logistic回归分析显示UGT1A1 Gly71Arg、TATA盒基因和G6PD基因突变对新生儿高未结合胆红素血症发生的OR值(95%CI)分别为5.468(2.274,12.818)、0.688(0.266,1.778)和5.081(1.070,24.133)。结论:UGT1A1 Gly71Arg和G6PD基因突变可能是新生儿高未结合胆红素血症发生的原因。  相似文献   

18.
Aim: To investigate why breastfed infants are more likely to have prolonged jaundice than formula‐fed infants. Methods: Serum unconjugated bilirubin (UCB), total cholesterol (TC) and triglyceride (TG) were measured for 102 infants of 1 month. Enrolled infants were 42 breastfed, 40 mixed‐fed and 20 bottle‐fed infants. Statistic analyses for relationship among UCB, TC, TG, perinatal factors and post‐natal factors were performed for these infants. Results: In correlation analyses UCB was correlated with peak transcutaneous bilirubin value in neonatal period (TcBn) (r = 0.612, P < 0.0001) and with TC (r = 0.383, P < 0.0001). When analyses of covariance (ANCOVA) for UCB were performed using TcBn as the covariate, the results indicated that there was neither significant main nor interaction effect of feeding method on UCB, and that main and interaction effects of TC on UCB were significant when TC was categorised into two groups (≤150 mg/dL and >150 mg/dL). Conclusions: It is suggested that both neonatal hyperbilirubinemia and subsequent higher plasma TC are associated factors for prolonged jaundice.  相似文献   

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