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        血清胱抑素C、肝素結(jié)合蛋白及SOFA評(píng)分對(duì)膿毒癥患者急性腎損傷的診斷價(jià)值

        2024-04-29 00:00:00張志花崔微艷趙平
        醫(yī)學(xué)信息 2024年5期

        摘要:目的" 探討血清胱抑素C(sCysC)、肝素結(jié)合蛋白(HBP)及序貫器官衰竭評(píng)分(SOFA評(píng)分)在成人膿毒癥患者急性腎損傷(SA-AKI)診斷中的應(yīng)用價(jià)值。方法" 回顧性分析2020年12月-2022年8月在江蘇大學(xué)附屬武進(jìn)醫(yī)院重癥醫(yī)學(xué)科收治的76例膿毒癥患者,根據(jù)患者是否合并急性腎損傷(AKI)分為AKI組(35例)和非AKI組(41例)。比較兩組間相關(guān)指標(biāo),采用Logistic回歸分析探討膿毒癥患者急性腎損傷的危險(xiǎn)因素,采用受試者工作特征(ROC)曲線分析sCysC、血HBP及SOFA評(píng)分對(duì)膿毒癥患者合并AKI的預(yù)測價(jià)值。結(jié)果" AKI組使用血管活性藥物、使用機(jī)械通氣、sCysC、HBP及SOFA評(píng)分均高于非AKI組(P<0.05);其中sCysC、HBP及SOFA評(píng)分為影響膿毒癥患者并發(fā)AKI的獨(dú)立影響因素(P<0.05);sCysC、HBP、SOFA評(píng)分以及3者聯(lián)合檢測預(yù)測膿毒癥患者并發(fā)AKI的AUC依次為0.671、0.710、0.716、0.815,sCysC、HBP及SOFA評(píng)分聯(lián)合AUC較sCysC及HBP的AUC大(P<0.05)。結(jié)論" sCysC、HBP聯(lián)合SOFA評(píng)分對(duì)SA-AKI患者診斷有較高的臨床應(yīng)用價(jià)值,可能為臨床上SA-AKI患者的治療提供參考依據(jù),降低患者不良預(yù)后的發(fā)生率。

        關(guān)鍵詞:血清胱抑素C;肝素結(jié)合蛋白;膿毒癥;急性腎損傷

        中圖分類號(hào):R631" " " " " " " " " " " " " " " " " 文獻(xiàn)標(biāo)識(shí)碼:A" " " " " " " " " " " " " " " " " DOI:10.3969/j.issn.1006-1959.2024.05.020

        文章編號(hào):1006-1959(2024)05-0116-04

        Diagnostic Value of Serum Cystatin C, Heparin-binding Protein, and SOFA Score

        for Acute Kidney Injury in Patients With Sepsis

        ZHANG Zhi-hua,CUI Wei-yan,ZHAO Ping

        (Intensive Care Unit,Wujin Hospital Affiliated with Jiangsu University/The Wujin Clinical college of Xuzhou Medical University,Changzhou 213000,Jiangsu,China)

        Abstract:Objective" To explore the value of serum cystatin C (sCysC), heparin-binding protein (HBP) and sequential organ failure score (SOFA) in the diagnosis of acute kidney injury (SA-AKI) in adult patients with sepsis.Methods" A retrospective analysis was performed on 76 patients with sepsis admitted to the Intensive Care Unit, Wujin Hospital Affiliated to Jiangsu University from December 2020 to August 2022. The patients were divided into AKI group (35 patients) and non-AKI group (41 patients) according to whether they had acute kidney injury (AKI). The related indicators between the two groups were compared. Logistic regression analysis was used to explore the risk factors of acute kidney injury in patients with sepsis. The receiver operating characteristic (ROC) curve was used to analyze the predictive value of sCysC, blood HBP and SOFA scores for AKI in patients with sepsis.Results" The proportion of vasoactive drugs, the proportion of mechanical ventilation, sCysC, HBP and SOFA scores in the AKI group were higher than those in the non-AKI group (Plt;0.05). Among them, sCysC, HBP and SOFA scores were independent factors affecting AKI in patients with sepsis (Plt;0.05); the AUC of sCysC, HBP, SOFA score and their combined detection in predicting AKI in patients with sepsis were 0.671, 0.710, 0.716 and 0.815, respectively. The combined AUC of sCysC, HBP and SOFA score was larger than that of sCysC and HBP (Plt;0.05).Conclusion sCysC, HBP combined with SOFA score have high clinical application value in the diagnosis of SA-AKI patients, which may provide reference for the treatment of SA-AKI patients and reduce the incidence of poor prognosis.

        Key words:Cystatin C;Heparin-binding protein;Sepsis;Acute kidney injury

        膿毒癥(sepsis)具有高發(fā)病率、高死亡率、高致殘率的特點(diǎn),是ICU中最常見的急危重癥,也是重癥患者發(fā)生急性腎損傷(acute kidney injury,AKI)的常見原因之一,膿毒癥相關(guān)急性腎損傷(SA-AKI)將導(dǎo)致原發(fā)疾病進(jìn)一步惡化,增加死亡風(fēng)險(xiǎn)及出院后不良并發(fā)癥[1,2]。因此,早期發(fā)現(xiàn)膿毒癥,評(píng)估疾病嚴(yán)重程度,早期預(yù)防AKI,探究始動(dòng)因素,及時(shí)干預(yù),對(duì)于阻止SA-AKI進(jìn)展至關(guān)重要。血清胱抑素C(serum cystatin c,sCysC)近些年被認(rèn)為是一種良好的反映腎臟濾過功能的內(nèi)源性血清標(biāo)志物,在不同類型AKI患者中均顯示出較好的預(yù)測價(jià)值[3],但單獨(dú)對(duì)膿毒癥AKI的預(yù)測敏感性、特異性較差。本研究通過探討sCysC、HBP聯(lián)合SOFA評(píng)分對(duì)SA-AKI的早期預(yù)測價(jià)值,進(jìn)一步為臨床上SA-AKI的早期預(yù)測提供依據(jù),現(xiàn)報(bào)道如下。

        1資料與方法

        1.1一般資料" 回顧性分析2020年12月-2022年8月江蘇大學(xué)附屬武進(jìn)醫(yī)院重癥醫(yī)學(xué)科收治的76例膿毒癥患者臨床資料,查閱患者相關(guān)病歷,根據(jù)患者是否并發(fā)AKI分為AKI組(35例)和非AKI組(41例)。納入標(biāo)準(zhǔn):①年齡≥18歲;②臨床資料完整;③膿毒癥診斷符合2021版膿毒癥指南[4]標(biāo)準(zhǔn);④AKI診斷符合2012年全球腎臟預(yù)防提高疾病組織會(huì)指南[5]所制定的標(biāo)準(zhǔn)。排除標(biāo)準(zhǔn):①合并嚴(yán)重心、肝等臟器功能障礙者;②腎功能不全者或因膿毒癥以外的其他因素所致AKI;③臨床資料不完整者。本臨床研究所有研究對(duì)象均知情并簽署知情同意書。

        1.2觀察指標(biāo)" 記錄并觀察患者的年齡、性別、病史、心率、平均動(dòng)脈壓等基本資料;收集患者入院首次檢查結(jié)果,包括sCysC、血清HBP;入院后治療前采用SOFA評(píng)分[6]評(píng)估患者的病情嚴(yán)重程度,SOFA評(píng)分包括6個(gè)項(xiàng)目,總分0~24分,分值越高,病情越嚴(yán)重。

        1.3統(tǒng)計(jì)學(xué)方法" 采用SPSS 20.0統(tǒng)計(jì)學(xué)軟件進(jìn)行數(shù)據(jù)分析。符合正態(tài)分布的計(jì)量資料以(x±s)表示,組間比較采用獨(dú)立樣本t檢驗(yàn);不符合正態(tài)分布的計(jì)量資料以M(P25,P75)表示。采用Logistic回歸分析探討SA-AKI的危險(xiǎn)因素。采用受試者工作特征(ROC)曲線評(píng)估sCysC、HBP及SOFA評(píng)分及3者聯(lián)合對(duì)SA-AKI的預(yù)測價(jià)值。以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。

        2結(jié)果

        2.1兩組臨床資料比較" AKI組sCysC、HBP及SOFA評(píng)分高于非AKI組(P<0.05);AKI組使用血管活性藥物、使用機(jī)械通氣高于非AKI組(P<0.05);兩組年齡、性別、呼吸系統(tǒng)疾病發(fā)生率、ICU住院時(shí)間、APACHEⅡ評(píng)分比較,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05),見表1。

        2.2多因素分析" 以使用血管活性藥物、使用機(jī)械通氣、SOFA評(píng)分、胱抑素及HBP水平為自變量,以膿毒癥患者是否合并AKI為因變量進(jìn)行多因素Logistic回歸分析,結(jié)果顯示SOFA評(píng)分、胱抑素及HBP水平為膿毒癥患者合并AKI的影響因素(P<0.05),見表2。

        2.3 sCysC、血清HBP和SOFA評(píng)分對(duì)SA-AKI患者的預(yù)測價(jià)值" 各獨(dú)立危險(xiǎn)因素對(duì)膿毒癥合并AKI診斷價(jià)值的ROC曲線見圖1,sCysC、血清HBP和SOFA評(píng)分對(duì)膿毒癥患者AKI的預(yù)測ROC特征見表3。ROC曲線分析結(jié)果顯示sCysC、血清HBP和SOFA評(píng)分以及3者聯(lián)合檢測預(yù)測膿毒癥患者AKI的AUC依次為0.671、0.710、0.716、0.815。由Youden指數(shù)確定各指標(biāo)診斷臨界值,并確定靈敏度與特異度。sCysC、HBP及SOFA評(píng)分3者聯(lián)合檢測時(shí)AUC面積最大,提示sCysC、HBP與SOFA評(píng)分聯(lián)合診斷疾病能力均優(yōu)于sCysC、HBP單獨(dú)檢測。

        3討論

        盡管膿毒癥的治療已有50年的歷史,膿毒癥的發(fā)病率和死亡率有所下降,但其仍是世界上引起健康問題的主要原因[7]。SA-AKI定義為膿毒癥患者腎功能短期內(nèi)急劇下降[8],將引起多臟器功能受損,延長住院時(shí)間,增加醫(yī)療負(fù)擔(dān)等[9],但是目前尚沒有理想的生物學(xué)標(biāo)志物或指標(biāo)預(yù)測該疾病。本研究發(fā)現(xiàn)AKI組使用血管活性藥物、使用機(jī)械通氣高于非AKI組(P<0.05),與冀曉俊等[10]研究相似??赡茉?yàn)椋瑱C(jī)械通氣與血管活性藥物的這些機(jī)械、神經(jīng)激素和炎癥效應(yīng)易導(dǎo)致AKI[11]。因此,積極篩選膿毒癥AKI的危險(xiǎn)因素,尋找早期的、可靠的預(yù)測AKI發(fā)生的生物標(biāo)志物及相關(guān)指標(biāo)以便早期干預(yù)以延緩疾病進(jìn)一步進(jìn)展至關(guān)重要。

        本研究通過回顧性隊(duì)列研究分析發(fā)現(xiàn)入院sCysC水平與SA-AKI密切相關(guān),是診斷AKI的良好生物標(biāo)志物。腎臟是sCysC唯一的排泄器官,是體內(nèi)一種穩(wěn)定的低分子量蛋白質(zhì),可作為反映eGFR更為敏感和可靠的內(nèi)源性腎臟標(biāo)志物[12]。關(guān)于膿毒癥的動(dòng)物研究表明[13],sCysC較SCr升高的更早、更快,能更早發(fā)現(xiàn)AKI。有研究發(fā)現(xiàn)[14,15],HBP對(duì)膿毒癥和感染相關(guān)的多種疾病的診斷與治療有一定作用。HBP是一種顆粒蛋白,主要由中性粒細(xì)胞分泌囊泡和噬天青顆粒釋放釋放產(chǎn)生的一種陽離子抗菌蛋白,可與內(nèi)皮細(xì)胞相互作用,誘導(dǎo)內(nèi)皮細(xì)胞骨架重排及細(xì)胞收縮,形成細(xì)胞間隙,影響血管內(nèi)皮細(xì)胞通透性,導(dǎo)致血管滲漏;還可趨化中性粒細(xì)胞、T淋巴細(xì)胞及單核細(xì)胞,并增強(qiáng)單核細(xì)胞的細(xì)胞因子釋放、吞噬作用及對(duì)內(nèi)皮細(xì)胞的黏附[16-18]。近年來國內(nèi)外研究證實(shí)[19,20],HBP在膿毒癥早期診斷及預(yù)測方面具有一定價(jià)值,是區(qū)分膿毒癥患者有前途的一個(gè)生物標(biāo)志物。本研究結(jié)果顯示,AKI組血清HBP水平高于非AKI組,與黃亞軍等[21]研究相似??赡軝C(jī)制為炎性反應(yīng)發(fā)生時(shí),HBP可由激活的中性粒細(xì)胞釋放至血液,通過腎小球?yàn)V過作用進(jìn)入腎小管管腔,誘導(dǎo)腎小管上皮細(xì)胞炎性反應(yīng)。

        此外,本研究結(jié)果顯示,sCysC、HBP以及SOFA評(píng)分為影響膿毒癥患者并發(fā)AKI的獨(dú)立影響因素;三者聯(lián)合對(duì)膿毒癥患者AKI的預(yù)測價(jià)值最高,可提高診斷價(jià)值。因此,將早期敏感反映腎小球?yàn)V過功能的sCysC、及血清HBP聯(lián)合臨床上應(yīng)用最為廣泛的SOFA評(píng)分系統(tǒng)構(gòu)建一個(gè)新的預(yù)測模型,既考慮到SA-AKI的腎臟病理生理變化過程,也顧及患者膿毒癥病情對(duì)疾病的綜合影響,結(jié)果顯示聯(lián)合預(yù)測效能高于單一檢測,提高了對(duì)SA-AKI的早期預(yù)測能力。

        綜上所述,sCysC、HBP臨床檢測方便、快速,穩(wěn)定性高,價(jià)格低廉,可作為一種理想的監(jiān)測指標(biāo),而SOFA評(píng)分是ICU常用的每日評(píng)分系統(tǒng),臨床實(shí)用性和操作性強(qiáng),三者聯(lián)合有助于早期發(fā)現(xiàn)SA-AKI,可在臨床實(shí)踐中給予關(guān)注。但本研究是回顧性研究,存在難以避免的混雜因素的干擾;其次,僅測量了1次sCysC、HBP,盡管與AKI及其預(yù)后顯著相關(guān),但無法評(píng)估其他時(shí)間點(diǎn)與其關(guān)聯(lián)性,缺乏對(duì)sCysC、HBP的動(dòng)態(tài)觀察。

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        [20]Kahn F,Tverring J,Mellhammar L,et al.Heparin-Binding Protein as a Prognostic Biomarker of Sepsis and Disease Severity at the Emergency Department[J].Shock,2019,52(6):e135-e145.

        [21]黃亞軍,顧玥,張文雯,等.肝素結(jié)合蛋白在膿毒癥相關(guān)急性腎損傷早期診斷中的價(jià)值[J].中華實(shí)用診斷與治療雜志,2021,35(5):436-440.

        收稿日期:2023-03-06;修回日期:2023-04-04

        編輯/王萌

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