郭婷,楊曉麗,田玨,楊貴芳,劉芳,李雪敏
·科研論著·
妊娠期高血壓病病人RDW?CV、NLR、MLR、PLR與血栓彈力圖的相關(guān)性分析
郭婷1,楊曉麗2*,田玨2,楊貴芳2,劉芳2,李雪敏2
1.山西醫(yī)科大學(xué),山西 030001;2.山西醫(yī)科大學(xué)第九臨床醫(yī)學(xué)院
:探討妊娠期高血壓?。℉DCP)病人紅細(xì)胞分布寬度變異系數(shù)(RDW?CV)、中性粒細(xì)胞淋巴細(xì)胞比值(NLR)、血小板淋巴細(xì)胞比值(PLR)、單核細(xì)胞淋巴細(xì)胞比值(MLR)與血栓彈力圖各指標(biāo)的相關(guān)性。:選取2020年3月1日—2021年3月1日在太原市中心醫(yī)院產(chǎn)科住院的103例妊娠婦女作為研究對(duì)象,將31例HDCP病人設(shè)為病例組,將72例正常妊娠婦女設(shè)為對(duì)照組。比較兩組慢性炎癥指標(biāo)及血栓彈力圖,分析病例組炎癥指標(biāo)與血栓彈力圖各指標(biāo)的相關(guān)性。:病例組中性粒細(xì)胞(NEU)為(6.89±2.30)×109/L,單核細(xì)胞(MON)為(1.86±3.52)×109/L,RDW?CV為(20.07±13.37)%,均高于對(duì)照組[NEU為(5.61±3.15)×109/L,MON為(0.47±0.15)×109/L,RDW?CV為(14.62±2.62)%];病例組PLR為132.73(97.62,172.67),低于對(duì)照組[190.97(108.72,242.24)];病例組30 min血凝塊溶解百分?jǐn)?shù)(LY30)為(0.44±0.49)%,血凝塊溶解預(yù)估百分比(EPL)為(0.44±0.49)%,均低于對(duì)照組[LY30為(1.92±0.77)%,EPL為(1.92±0.77)%],差異均有統(tǒng)計(jì)學(xué)意義(<0.05)。相關(guān)性分析結(jié)果顯示,病例組炎癥指標(biāo)RDW?CV、NLR與LY30、EPL呈負(fù)相關(guān)(<0.05),PLR、MLR與LY30、EPL相關(guān)性不明顯(>0.05)。:在HDCP病人中,炎性指標(biāo)RDW?CV可能對(duì)其纖溶抑制有一定預(yù)測(cè)作用,可作為HDCP發(fā)生、發(fā)展的臨床監(jiān)測(cè)指標(biāo)。
妊娠期高血壓??;紅細(xì)胞分布寬度;中性粒細(xì)胞淋巴細(xì)胞比值;血小板淋巴細(xì)胞比值;單核細(xì)胞淋巴細(xì)胞比值;血栓彈力圖;相關(guān)性;護(hù)理
妊娠期高血壓?。╤ypertensive disorders complicating pregnancy,HDCP)是妊娠期伴血壓升高的一組疾病,也是導(dǎo)致母嬰不良結(jié)局的重要原因之一[1]。全球HDCP的患病率為5%~10%[2],我國(guó)HDCP患病率為9.4%~10.4%[3],鑒于育齡婦女肥胖和代謝綜合征患病率不斷上升以及“三孩政策”的實(shí)施,預(yù)計(jì)該病發(fā)病及進(jìn)展仍會(huì)逐年升高。HDCP的臨床及病理表現(xiàn)多樣,涉及全身多個(gè)系統(tǒng),發(fā)病機(jī)制復(fù)雜,有待進(jìn)一步闡明。目前認(rèn)為炎癥和凝血途徑激活是HDCP重要的發(fā)病機(jī)制。已有研究報(bào)道,慢性炎癥是HDCP的中心環(huán)節(jié)[4]。與正常妊娠期病人相比,HDCP病人凝血程度較高,HDCP嚴(yán)重程度與凝血指標(biāo)變化程度相關(guān)[5]。臨床研究顯示,子宮內(nèi)膜異位癥[6]、慢性阻塞性肺疾病[7]、新型冠狀病毒肺炎[8]的炎癥與凝血功能指標(biāo)均密切相關(guān),會(huì)共同推進(jìn)疾病的發(fā)生發(fā)展。在HDCP發(fā)生發(fā)展過(guò)程中,炎癥和凝血途徑激活聯(lián)系緊密,相互調(diào)節(jié)[9],但二者在HDCP中的關(guān)系尚未完全闡明,HDCP病人的哪些炎癥指標(biāo)與哪些凝血指標(biāo)變化較為明顯,哪些指標(biāo)間關(guān)系較為密切有待進(jìn)一步研究。紅細(xì)胞分布寬度變異系數(shù)(coefficient of variation of red cell distribution width,RDW?CV)[10]、中性粒細(xì)胞淋巴細(xì)胞比值(neutrophil?lymphocyte ratio,NLR)、血小板淋巴細(xì)胞比值(platelet?lymphocyte ratio,PLR)、單核細(xì)胞淋巴細(xì)胞比值(monocyte?lymphocyte ratio,MLR)是近年來(lái)研究較多的慢性炎癥指標(biāo),被廣泛應(yīng)用于疾病預(yù)測(cè)、診斷及病情評(píng)估[11?12]。血栓彈力圖(thromboelasmography,TEG)是一種動(dòng)態(tài)監(jiān)測(cè)技術(shù),提供了對(duì)全血血凝塊起始、形成、穩(wěn)定性、強(qiáng)度和溶解所有階段的動(dòng)力學(xué)評(píng)估[13],可反映凝血全貌,較常規(guī)凝血指標(biāo)敏感[14],評(píng)價(jià)更加全面、真實(shí)、快捷,近年來(lái)被臨床廣泛應(yīng)用。本研究旨在分析HDCP中RDW?CV、NLR、MLR、PLR與血栓彈力圖各指標(biāo)的關(guān)系,探索在HDCP中炎癥與凝血功能的相互作用,為進(jìn)一步闡明HDCP的發(fā)生、發(fā)展機(jī)制以及指導(dǎo)臨床診療提供新思路。
1.1研究對(duì)象選取2020年3月1日—2021年3月1日在太原市中心醫(yī)院產(chǎn)科住院的103例妊娠婦女作為研究對(duì)象。納入標(biāo)準(zhǔn):①單胎妊娠;②告知研究?jī)?nèi)容后自愿參與本研究并簽署協(xié)議書。排除標(biāo)準(zhǔn):①妊娠前有高血壓、心腦血管疾病、糖尿病、甲狀腺疾病、肝腎疾病、妊娠滋養(yǎng)細(xì)胞疾病、神經(jīng)精神類疾??;②有自身免疫系統(tǒng)疾病、血液系統(tǒng)疾病等其他內(nèi)外科疾??;③有血栓史或凝血功能障礙病史,近期使用抗凝劑或抗血小板藥物;④輔助生殖、多胎妊娠;⑤資料收集不全。根據(jù)診斷將31例HDCP病人設(shè)為病例組,將72例正常妊娠婦女設(shè)為對(duì)照組。HDCP診斷符合HDCP診治指南(2020)的診斷標(biāo)準(zhǔn),即妊娠期監(jiān)測(cè)血壓,妊娠20周后出現(xiàn)血壓升高,測(cè)量時(shí)間間隔至少4 h,同一側(cè)手臂測(cè)量2次收縮壓≥140 mmHg(1 mmHg=0.133 kPa)和/或舒張壓≥90 mmHg[15]。兩組一般資料比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(0.05),見(jiàn)表1。本研究已獲得太原市中心醫(yī)院倫理委員會(huì)審查批準(zhǔn)。
表1 兩組一般資料比較
1.2數(shù)據(jù)收集與處理收集正常妊娠婦女和HDCP病人入院后、分娩前的輔助檢查結(jié)果,包括外周血炎癥指標(biāo),如白細(xì)胞(WBC)[正常值為(3.5~9.5)×109/L]、紅細(xì)胞(RBC)[正常值為(3.7~5.1)×1012/L]、血小板(PLT)[正常值為(125.0~350.0)×109/L]、中性粒細(xì)胞(NEU)[正常值為(1.8~6.3)×109/L]、淋巴細(xì)胞(LYM)[正常值為(1.1~3.2)×109/L]、單核細(xì)胞(MON)[正常值為(0.1~0.6)×109/L]、RDW?CV(正常值為10.0%~15.0%)等,并計(jì)算NLR、PLR、MLR;血栓彈力圖,如凝血因子反應(yīng)時(shí)間(R)(正常值為4~9 min)、血凝塊形成時(shí)間(K)(正常值為1~3 min)、血凝塊形成速率(Angle)(正常值為53°~72°)、血凝塊最大強(qiáng)度(MA)(正常值為50~70 mm)、30 min血凝塊溶解百分?jǐn)?shù)(LY30)(正常值為0~8%)、血凝塊溶解預(yù)估百分比(EPL)(正常值為0~15%)、綜合凝血指數(shù)(CI)(正常值為-3~3)、血凝塊強(qiáng)度(G)(正常值為4~10 kd/cs)、實(shí)時(shí)振幅(A)。其中,外周血炎癥指標(biāo)通過(guò)BC?6800plus血液細(xì)胞分析儀(深圳邁瑞生物醫(yī)療電子股份有限公司)檢測(cè),血栓彈力圖通過(guò)HAEMONET?ICS TEG?5000型血栓彈力圖儀(美國(guó)唯美血液技術(shù)公司)檢測(cè)。
1.3統(tǒng)計(jì)學(xué)方法采用SPSS 26.0進(jìn)行統(tǒng)計(jì)分析,服從正態(tài)分布的定量資料采用均數(shù)±標(biāo)準(zhǔn)差(±)表示,組間比較采用兩獨(dú)立樣本檢驗(yàn),相關(guān)性采用Pearson相關(guān)分析;不服從正態(tài)分布的定量資料采用中位數(shù)(四分位數(shù))[(25,75)]表示,組間比較采用非參數(shù)檢驗(yàn),相關(guān)性采用Spearman相關(guān)分析。以<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2.1兩組外周血炎癥指標(biāo)比較(見(jiàn)表2)
表2 兩組外周血炎癥指標(biāo)比較
2.2兩組血栓彈力圖指標(biāo)比較(見(jiàn)表3)
表3 兩組血栓彈力圖指標(biāo)比較(x±s)
2.3病例組炎癥指標(biāo)與凝血指標(biāo)的相關(guān)性分析病例組炎癥指標(biāo)RDW?CV(<0.05)、NLR(<0.05)與LY30呈負(fù)相關(guān),RDW?CV(<0.05)、NLR(<0.05)與EPL呈負(fù)相關(guān),PLR(>0.05)、MLR(>0.05)與LY30相關(guān)性不明顯,PLR(>0.05)、MLR(>0.05)與EPL相關(guān)性不明顯。
目前HDCP發(fā)病機(jī)制尚未完全闡明,臨床尚無(wú)有效治療方案,進(jìn)一步研究其發(fā)病相關(guān)因素及機(jī)制十分重要。炎癥反應(yīng)及凝血功能異常在HDCP的發(fā)生、發(fā)展中發(fā)揮著重要作用[16],炎性因子、凝血相關(guān)因子推動(dòng)HDCP的發(fā)生和病情進(jìn)展,但二者在HDCP中的相互作用等有待進(jìn)一步闡明,如HDCP病人炎癥指標(biāo)變化特點(diǎn)是什么、哪些凝血指標(biāo)變化較為明顯、炎癥各指標(biāo)與凝血各指標(biāo)關(guān)系如何等,對(duì)其探究有利于更加精準(zhǔn)、有效地指導(dǎo)HDCP防治。RDW?CV、NLR、PLR、MLR是慢性炎性指標(biāo)[9,17?19],可通過(guò)檢測(cè)血常規(guī)或計(jì)算得出。血栓彈力圖靈敏度高于凝血四項(xiàng),可動(dòng)態(tài)監(jiān)測(cè)凝血過(guò)程,檢測(cè)時(shí)間更短,效率更高。本研究重點(diǎn)分析了HDCP中RDW?CV、NLR、PLR、MLR與血栓彈力圖各項(xiàng)指標(biāo)關(guān)系,旨在探討炎癥與凝血功能指標(biāo)對(duì)HDCP的應(yīng)用價(jià)值。
本研究外周血炎性指標(biāo)分析結(jié)果顯示,病例組與對(duì)照組NEU、MON、RDW?CV、PLR比較,差異有統(tǒng)計(jì)學(xué)意義(<0.05),表明HDCP病人炎癥反應(yīng)較為明顯,但其改變機(jī)制及意義有待進(jìn)一步研究。RDW?CV是HDCP的獨(dú)立危險(xiǎn)因素[17]。在HDCP病人中,子宮螺旋動(dòng)脈重鑄不足,胎盤缺血缺氧,誘發(fā)炎性因子、缺氧誘導(dǎo)因子(HIF)調(diào)節(jié)基因上調(diào)[20],誘發(fā)炎癥因子表達(dá),如腫瘤壞死因子?α(TNF?α)、白細(xì)胞介素?6(IL?6)、白細(xì)胞介素?8(IL?8)等[21]。當(dāng)炎癥反應(yīng)發(fā)生時(shí),這些炎癥因子抑制促紅細(xì)胞生成素(EPO)和血紅蛋白合成導(dǎo)致貧血,誘導(dǎo)血管內(nèi)皮損傷,微血管病變,紅細(xì)胞形態(tài)顯著變化[21],導(dǎo)致RDW?CV較正常妊娠婦女升高。PLR可反映機(jī)體炎癥以及免疫功能變化[18],且與疾病嚴(yán)重程度相關(guān),較低的PLR有利于識(shí)別高危HDCP病人[22]。本研究結(jié)果顯示,病例組PLR較對(duì)照組降低,原因可能與HDCP病人血管內(nèi)皮細(xì)胞損傷導(dǎo)致膠原纖維暴露增加,血小板黏附、聚集增加,循環(huán)中的血小板減少相關(guān)。血栓彈力圖分析結(jié)果顯示,病例組LY30、EPL低于對(duì)照組,提示纖溶抑制,HDCP病人血栓風(fēng)險(xiǎn)增高??赡芘cHDCP病人凝血與纖溶系統(tǒng)失衡,動(dòng)態(tài)平衡被打破,導(dǎo)致病理性血栓前狀態(tài)或血栓形成有關(guān)[23]。也有研究顯示,妊娠期高血壓病人血栓彈力圖結(jié)果中的R值、K值減少,而Angle值和MA值增高,呈高凝和低纖溶變化[24],但本研究中病例組和對(duì)照組R值、K值、Angle值和MA值差異無(wú)統(tǒng)計(jì)學(xué)意義(>0.05),一方面可能與本研究樣本量較少有關(guān),另一方面提示纖溶指標(biāo)LY30、EPL可能是HDCP較為敏感的臨床指標(biāo)。
本研究綜合分析了4個(gè)炎癥指標(biāo)與2個(gè)纖溶指標(biāo)的關(guān)系,結(jié)果提示炎癥指標(biāo)RDW?CV與纖溶功能指標(biāo)LY30和EPL均呈負(fù)相關(guān)。結(jié)合差異性比較結(jié)果,HDCP病人RDW?CV與纖溶功能變化密切相關(guān),炎性指標(biāo)RDW?CV可能對(duì)HDCP病人的纖溶抑制有一定預(yù)測(cè)作用。MLR被認(rèn)為是全身炎癥和免疫平衡的有效指標(biāo),在多種疾病診斷、預(yù)后和療效評(píng)價(jià)中發(fā)揮著重要作用[19]。本研究中,病例組和對(duì)照組MLR比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(>0.05),MLR在病例組與對(duì)照組中的差異性在不同研究中結(jié)果不同[25?26],可能與樣本量及檢測(cè)方法不同有關(guān),有待進(jìn)一步研究。此外,本研究中NLR與纖溶功能指標(biāo)LY30和EPL呈負(fù)相關(guān)(<0.05),MLR與纖溶功能指標(biāo)LY30和EPL相關(guān)性不明顯(>0.05)。提示在HDCP病人中,NLR對(duì)凝血功能變化的指導(dǎo)意義大于MLR,有必要擴(kuò)大樣本量進(jìn)一步研究。
本研究未動(dòng)態(tài)監(jiān)測(cè)早期及中期妊娠女性及其產(chǎn)后炎性指標(biāo)和凝血變化,在今后的研究中,可以收集妊娠期不同階段樣本的炎癥及血栓彈力圖數(shù)據(jù)進(jìn)行分析,了解HDCP病人上述各指標(biāo)發(fā)生異常的順序,探索其機(jī)制,明確各指標(biāo)間的因果關(guān)系,進(jìn)一步探討上述各指標(biāo)在HDCP中的應(yīng)用價(jià)值。
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Correlation analysis of RDW?CV,NLR,MLR,PLR and thromboelasmography of patients with hypertensive disorders complicating pregnancy
GUOTing,YANGXiaoli,TIANJue,YANGGuifang,LIUFang,LIXuemin
Shanxi Medical University,Shanxi 030001 China
:To investigate correlation analysis of coefficient of variation of red cell distribution width(RDW?CV),neutrophil?lymphocyte ratio(NLR),platelet?lymphocyte ratio(PLR),monocyte?lymphocyte ratio(MLR) and indexes of thromboelasmography of patients with hypertensive disorders complicating pregnancy(HDCP).:103 pregnant women hospitalized in obstetrics department of Taiyuan Central Hospital from March 1,2020 to March 1,2021 were selected as research subjects.31 HDCP patients were set as case group,and 72 normal pregnant women were set as control group.The chronic inflammatory indexes and thromboelasmography of the two groups were compared,and correlation between inflammatory indexes and indexes of thromboelastogram of the case group was analyzed.:In case group,neutrophil(NEU) was (6.89±2.30)×109/L,monocytes(MON) was (1.86±3.52)×109/L and RDW?CV was (20.07±13.37)%,all were higher than those in control group[NEU was (5.61±3.15)×109/L,MON was (0.47±0.15)×109/L,RDW?CV was (14.62±2.62)%].In case group,PLR was 132.73(97.62,172.67),lower than that in control group[190.97(108.72,242.24)].In case group,percent lysis 30 min after MA(LY30) was (0.44±0.49)% and estimate percent lysis(EPL) was (0.44±0.49)%,lower than those in control group[LY30 was (1.92±0.77)%,EPL was (1.92±0.77)%],the difference was statistically significant (<0.05).The results of correlation analysis showed that inflammatory indicators such as RDW?CV and NLR were negatively correlated with LY30 and EPL in case group(<0.05),while PLR and MLR were not significantly correlated with LY30 and EPL in case group(>0.05).:Among HDCP patients,the inflammatory index such as RDW?CV may have certain predictive effect on fibrinolysis inhibition,which can be used as clinical monitoring index for occurrence and development of HDCP.
hypertensive disorders complicating pregnancy;red cell distribution width;neutrophil?lymphocyte ratio;platelet?lymphocyte ratio;monocyte?lymphocyte ratio;thromboelasmography;relevance;nursing
YANG Xiaoli,E?mail:yxl00124@126.com
10.12102/j.issn.1009-6493.2022.22.004
山西省醫(yī)學(xué)重點(diǎn)科研項(xiàng)目計(jì)劃重大科技攻關(guān)專項(xiàng)課題,編號(hào):2020XM09;山西省應(yīng)用基礎(chǔ)研究計(jì)劃項(xiàng)目,編號(hào):201901D111461;201901D111201;山西省省籌資金資助回國(guó)留學(xué)人員科研項(xiàng)目,編號(hào):2021?175
郭婷,碩士研究生在讀
楊曉麗,E?mail:yxl00124@126.com
郭婷,楊曉麗,田玨,等.妊娠期高血壓病病人RDW?CV、NLR、MLR、PLR與血栓彈力圖的相關(guān)性分析[J].護(hù)理研究,2022,36(22):3963?3967.
(收稿日期:2022-04-06;修回日期:2022-10-29)
(本文編輯 陳瓊)