俞瀟俊 施雪霏
[摘要] 目的 探討肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留危險(xiǎn)因素。 方法 采集2016年6月至2020年6月在湖州市中心醫(yī)院進(jìn)行腸內(nèi)營(yíng)養(yǎng)支持的80例肺癌伴糖尿病術(shù)后患者,根據(jù)是否發(fā)生胃潴留將其分為胃潴留組(n=24)、無(wú)胃潴留組(n=56),分析肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)發(fā)生胃潴留的獨(dú)立風(fēng)險(xiǎn)因素,建立肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生風(fēng)險(xiǎn)列線圖,并采用一致性系數(shù)(C-index)判斷模型預(yù)測(cè)能力。 結(jié)果 胃潴留發(fā)生率為30.00%(24/80),低血壓、休克、低血鉀、高血糖、腸鳴音減弱、機(jī)械通氣、胃動(dòng)素減少可作為肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的影響因素。低血鉀、高血糖、機(jī)械通氣、胃動(dòng)素減少均可作為肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的獨(dú)立危險(xiǎn)因素。列線圖預(yù)測(cè)肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生風(fēng)險(xiǎn)的C-index為0.687。 結(jié)論 肺癌伴糖尿病患者術(shù)后予以腸內(nèi)營(yíng)養(yǎng)支持階段易導(dǎo)致胃潴留,其發(fā)生與多重因素相關(guān),特別是低血鉀、高血糖、機(jī)械通氣、胃動(dòng)素減少,針對(duì)發(fā)生胃潴留的患者進(jìn)行綜合護(hù)理干預(yù),可有效維持患者血糖穩(wěn)定并促進(jìn)其恢復(fù)。
[關(guān)鍵詞] 肺癌;糖尿病;腸內(nèi)營(yíng)養(yǎng);胃潴留
[中圖分類號(hào)] R656.6? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] B? ? ? ? ? [文章編號(hào)] 1673-9701(2022)02-0088-04
Analysis on the risk factors for gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes
YU Xiaojun? ?SHI Xuefei
Huzhou Central Hospital, Huzhou? ?313000, China
[Abstract] Objective To investigate the risk factors for gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes. Methods A total of 80 postoperative patients with lung cancer and diabetes who underwent enteral nutrition support in Huzhou Central Hospital from June 2016 to June 2020 were selected and divided into the gastric retention group (n=24) and the non-gastric retention group (n=56) according to the presence or absence of gastric retention. The independent risk factors for gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes were analyzed. Meanwhile, a nomogram of the risk of gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes was established, and the predictive ability of the model was determined by the concordance index (C-index). Results The incidence of gastric retention was 30.00% (24/80), and hypotension, shock, hypokalemia, hyperglycemia, reduced intestinall rumble, mechanical ventilation, and decreased motilin could be influencing factors for gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes. Hypokalemia, hyperglycemia, mechanical ventilation, and decreased motilin could be independent risk factors for gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes. The C-index (predicted by the nomogram) was 0.687 for the risk of gastric retention induced by postoperative enteral nutrition in patients with lung cancer and diabetes. Conclusion Patients with lung cancer and diabetes are prone to gastric retention during the postoperative phase of enteral nutrition support, which is associated with multiple factors, especially hypokalemia, hyperglycemia, mechanical ventilation, and decreased motilin. The comprehensive nursing intervention for patients with gastric retention can effectively stabilize their blood glucose and promote recovery.
[Key words] Lung cancer; Diabetes; Enteral nutrition; Gastric retention
近年來(lái),肺癌臨床發(fā)病率呈顯著增長(zhǎng)趨勢(shì),給人類健康帶來(lái)巨大威脅。目前全球范圍內(nèi),肺癌多發(fā)于歐美等發(fā)達(dá)國(guó)家及我國(guó)部分發(fā)達(dá)地區(qū),且男性患病率較女性顯著升高[1]。臨床主要采取外科手術(shù)對(duì)肺癌患者進(jìn)行治療,該方法可顯著減少患者死亡率,然而此時(shí)機(jī)體處于應(yīng)激狀態(tài),極易導(dǎo)致患者中樞神經(jīng)系統(tǒng)紊亂;除此之外,患者在進(jìn)行化療時(shí)代謝增加,對(duì)能量、營(yíng)養(yǎng)需求亦隨之升高,特別是肺癌伴糖尿病患者易發(fā)生全身代謝障礙、細(xì)胞免疫功能下降等,進(jìn)而導(dǎo)致手術(shù)耐受性降低,最終影響患者術(shù)后恢復(fù)[2]。故術(shù)后腸內(nèi)營(yíng)養(yǎng)支持成為臨床工作人員關(guān)注的重點(diǎn)。臨床研究顯示,早期腸內(nèi)營(yíng)養(yǎng)支持效果明顯,有利于維護(hù)腸道屏障功能,減少感染性并發(fā)癥及消化道出血發(fā)生風(fēng)險(xiǎn)[3]。然而大部分患者胃腸道功能變化,發(fā)生胃潴留,進(jìn)而引發(fā)腸內(nèi)營(yíng)養(yǎng)出現(xiàn)不耐受狀況,最終導(dǎo)致?tīng)I(yíng)養(yǎng)支持治療效果受影響[4]。目前臨床尚未發(fā)現(xiàn)可有效評(píng)估患者腸內(nèi)營(yíng)養(yǎng)耐受性差的標(biāo)準(zhǔn),因此本研究通過(guò)對(duì)肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生情況進(jìn)行監(jiān)測(cè),并分析其危險(xiǎn)因素,同時(shí)采取積極有力的措施對(duì)其進(jìn)行干預(yù),現(xiàn)報(bào)道如下。
1 資料與方法
1.1 一般資料
選取2016年6月至2020年6月于湖州市中心醫(yī)院進(jìn)行腸內(nèi)營(yíng)養(yǎng)支持的80例肺癌伴糖尿病術(shù)后患者作為研究對(duì)象,納入標(biāo)準(zhǔn):①診斷標(biāo)準(zhǔn)按照2015年《中國(guó)功能性消化不良專家共識(shí)意見(jiàn)》相關(guān)內(nèi)容進(jìn)行判定;②均于湖州市中心醫(yī)院進(jìn)行肺癌根治術(shù);③患者或家屬均了解本研究相關(guān)內(nèi)容并簽署知情同意書(shū)。排除標(biāo)準(zhǔn):①排除合并消化系統(tǒng)器質(zhì)性病變者;②排除應(yīng)用胃動(dòng)力藥物者;③排除合并其他惡性腫瘤、自身免疫性疾病、循環(huán)系統(tǒng)疾病者。本研究經(jīng)醫(yī)院醫(yī)學(xué)倫理委員會(huì)批準(zhǔn)執(zhí)行。
1.2 方法
①觀察并分析80例患者胃潴留發(fā)生情況,根據(jù)是否發(fā)生胃潴留將其分為胃潴留組、無(wú)胃潴留組,并進(jìn)一步分析肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)發(fā)生胃潴留的影響因素。②建立logistic多因素模型,分析影響肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)發(fā)生胃潴留的獨(dú)立風(fēng)險(xiǎn)因素。③建立預(yù)測(cè)肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生風(fēng)險(xiǎn)列線圖,并根據(jù)一致性系數(shù)(consistency index,C-index)評(píng)估模型預(yù)測(cè)價(jià)值。判斷標(biāo)準(zhǔn):C-index值=0.5:不具備預(yù)測(cè)能力;0.5
1.3 統(tǒng)計(jì)學(xué)方法
采用SPSS 22.0統(tǒng)計(jì)學(xué)軟件進(jìn)行數(shù)據(jù)分析,胃潴留組及無(wú)胃潴留組患者性別、低血壓等分類資料采用構(gòu)成比分析,組間比較采用χ2檢驗(yàn);建立單因素及多因素logistic回歸模型分析影響糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的獨(dú)立風(fēng)險(xiǎn)因素;建立預(yù)測(cè)糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生風(fēng)險(xiǎn)的列線圖模型。P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留危險(xiǎn)單因素分析
胃潴留發(fā)生率為30.00%(24/80),低血壓、休克、低血鉀、高血糖、腸鳴音減弱、機(jī)械通氣、胃動(dòng)素減少可作為肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的影響因素。見(jiàn)表1。
2.2 肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留危險(xiǎn)多因素分析
低血鉀、高血糖、機(jī)械通氣、胃動(dòng)素減少均可作為肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的獨(dú)立危險(xiǎn)因素。見(jiàn)表2。
2.3 肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留列線圖分析
列線圖預(yù)測(cè)糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留發(fā)生風(fēng)險(xiǎn)的C-index為0.687。本研究中對(duì)多因素分析可視化之后得到列線圖。見(jiàn)圖1。圖中參考量及數(shù)值含義為:①血鉀:低血鉀為1,否為0;②血糖:高血糖為1,否為0;③通氣狀態(tài):機(jī)械通氣為1,否為0;④胃動(dòng)素:胃動(dòng)素減少為1,否為0。
3 討論
肺癌通常源于支氣管黏膜上皮,患者發(fā)病后肺部組織細(xì)胞生長(zhǎng)迅速,難以控制。而肺癌并發(fā)糖尿病將導(dǎo)致疾病治療難度進(jìn)一步增加,患者感染率亦隨之升高,除此之外,患者術(shù)后傷口愈合情況亦受到阻礙[5]。疾病可引發(fā)患者進(jìn)食能力喪失,機(jī)體抵抗力明顯降低,進(jìn)而導(dǎo)致患者臨床癥狀進(jìn)一步加重[6]。開(kāi)胸手術(shù)可導(dǎo)致機(jī)體主要功能代謝物質(zhì)過(guò)度活躍,然而在機(jī)體內(nèi)其合成量供應(yīng)缺乏[7]。此外,創(chuàng)傷可導(dǎo)致術(shù)后靜息能耗升高,因此予以術(shù)后肺癌患者營(yíng)養(yǎng)支持治療,臨床效果理想[8]。臨床研究證實(shí),術(shù)后肺癌患者胃腸道未發(fā)現(xiàn)病變,可能具有部分或完整胃腸道功能,故采用腸內(nèi)營(yíng)養(yǎng)鼻飼有利于為術(shù)后早期患者提供重要生理基礎(chǔ)[9]。本研究中,胃潴留發(fā)生率為30.00%(24/80),說(shuō)明患者出現(xiàn)一定程度的消化道功能障礙,存在胃排空延遲、胃殘余物潴留等現(xiàn)象。鉀離子在機(jī)體內(nèi)部具有重要價(jià)值,若機(jī)體血鉀處于低水平狀態(tài),胃腸道平滑肌細(xì)胞內(nèi)外離子濃度差極易引發(fā)肌膜電位超級(jí)化,進(jìn)而導(dǎo)致神經(jīng)-平滑肌傳導(dǎo)出現(xiàn)異常,最終誘發(fā)胃腸道蠕動(dòng)降低及胃潴留[10-11]。故針對(duì)低血鉀的患者需予以對(duì)癥處理,可通過(guò)靜脈營(yíng)養(yǎng)補(bǔ)鉀、超聲霧化吸入補(bǔ)鉀的方式提高其血鉀水平[12]。臨床研究顯示,高血糖可導(dǎo)致胃近端松弛及胃竇動(dòng)力減弱,提高獨(dú)立幽門(mén)活動(dòng)性,此外其亦可促進(jìn)十二指腸發(fā)生不協(xié)調(diào)性收縮,最終導(dǎo)致胃排空延遲[13]。因此在對(duì)糖尿病患者進(jìn)行治療時(shí)可采用糖尿病專用制劑干預(yù),同時(shí)降低血糖監(jiān)測(cè)周期,有利于使血糖水平處于良好狀態(tài)[14]。已有研究證實(shí),采用機(jī)械通氣對(duì)術(shù)后肺癌患者進(jìn)行干預(yù)可導(dǎo)致胃潴留發(fā)生風(fēng)險(xiǎn)升高,可能是由于機(jī)械通氣并未完全封閉氣道,仍有些許氣體進(jìn)入胃,進(jìn)而導(dǎo)致患者發(fā)生胃脹氣、胃張力減弱[15]。除此之外,當(dāng)機(jī)體處于呼氣末正壓通氣狀態(tài)時(shí),胸腔壓力開(kāi)始增加,進(jìn)而導(dǎo)致回心排出量、心血量顯著減少,血壓降低及胃腸收縮功能降低,最終誘發(fā)胃潴留[16]。腸鳴音減弱提示患者胃腸運(yùn)動(dòng)功能異常,采用腸內(nèi)營(yíng)養(yǎng)支持治療的患者發(fā)生腸鳴音減弱,說(shuō)明其發(fā)生胃潴留的風(fēng)險(xiǎn)升高[17-18]。故該類患者進(jìn)行治療時(shí)需對(duì)其進(jìn)行密切監(jiān)測(cè),并釋放調(diào)整其營(yíng)養(yǎng)成分,同時(shí)予以腹部按摩等干預(yù),有利于胃腸蠕動(dòng)[19]。Carlson等[20]研究表明,胃動(dòng)素靜脈滴注可顯著提高術(shù)后胃輕癱的混合餐排空,且在高血糖狀態(tài)下胃動(dòng)素含量及能力顯著降低。故密切關(guān)注患者病情進(jìn)展,尤其是合并低血鉀、高血糖、機(jī)械通氣及胃動(dòng)素減少的患者需予以充分診斷并采取積極有效的措施進(jìn)行干預(yù)。對(duì)肺癌伴糖尿病術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留危險(xiǎn)因素進(jìn)行分析,結(jié)果顯示,低血鉀、高血糖、機(jī)械通氣、胃動(dòng)素減少均可作為肺癌伴糖尿病患者術(shù)后腸內(nèi)營(yíng)養(yǎng)致胃潴留的獨(dú)立危險(xiǎn)因素。
綜上所述,肺癌伴糖尿病患者術(shù)后予以腸內(nèi)營(yíng)養(yǎng)支持階段易導(dǎo)致胃潴留,其發(fā)生與多重因素相關(guān),特別是低血鉀、高血糖、機(jī)械通氣、胃動(dòng)素減少,針對(duì)發(fā)生胃潴留的患者進(jìn)行綜合干預(yù),可有效維持患者血糖穩(wěn)定并促進(jìn)其恢復(fù)。
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(收稿日期:2021-01-19)
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