訾聰娜 樊娟 邢珍



[摘要] 目的 探討術前口服補液鹽聯合硫酸鎂對老年乳腺癌根治術患者C-反應蛋白(CPR)、胃內容物殘留量(GFV)及預后的觀察。 方法 選擇2018年11月—2019年4月河北北方學院附屬第一醫院擇期實施乳腺癌根治術的患者80例,按照隨機數字表法將其分為聯合組、硫酸鎂液組,每組各40例。硫酸鎂液組術前1 d 15∶00口服25%硫酸鎂液50 mL。聯合組術前1 d 15∶00口服25%硫酸鎂液50 mL,17∶00口服補液鹽,溶于300 mL溫開水中,1 h內服完。統計兩組術前1 d 8∶00(T1)和手術當日8∶00空腹時(T2)CRP水平和術前1 d 14∶00(T3)和術前1 d 23∶00時(T4)GFV;統計兩組在給予硫酸鎂液后至手術當日8∶00時排便次數以及術后排氣時間和術后住院時間;采用視覺模擬評分法(VAS)統計兩組入室靜息狀態(T5)、手術結束即刻(T6)和術后1 d(T7)時VAS評分,比較兩組術后不良反應發生情況。 結果 與T1時點比較,兩組T2時點CRP水平均降低,且T2時點聯合組CRP水平低于硫酸鎂液組,差異均有高度統計學意義(均P < 0.01)。與T3時點比較,兩組T4時點GFV均減少,且T4時點聯合組低于硫酸鎂液組,差異均有高度統計學意義(均P < 0.01)。聯合組排便次數高于硫酸鎂液組,術后排氣時間、術后住院時間短于硫酸鎂液組及術后不良反應發生率低于硫酸鎂液組,差異均有統計學意義(均P < 0.05)。聯合組于T7時VAS評分低于硫酸鎂液組,差異有統計學意義(P < 0.05)。 結論 術前口服補液鹽聯合硫酸鎂可以降低老年乳腺癌根治術患者術前CRP水平和GFV,減少術后不良反應發生率,值得在臨床中推廣應用。
[關鍵詞] 乳腺癌;硫酸鎂;補液鹽;C-反應蛋白
[中圖分類號] R73 ? ? ? ? ?[文獻標識碼] A ? ? ? ? ?[文章編號] 1673-7210(2020)09(b)-0095-04
[Abstract] Objective To investigate the effect of preoperative oral rehydration salts combined with magnesium sulfate on C-reactive protein (CPR) and residual gastric fluid volume (GFV) and prognosis in elderly breast cancer patients undergoing radical mastectomy. Methods Eighty patients undergoing radical mastectomy in the First Affiliated Hospital of Hebei North University from November 2018 to April 2019 were selected and divided into the combined group and the magnesium sulfate solution group according to the random number table method, with 40 cases in each group. In the magnesium sulfate solution group, 50 mL of 25% magnesium sulfate solution was taken orally at 15∶00 one day before operation. The combined group was given 50 mL of oral 25% magnesium sulfate solution at 15∶00 on one day before operation and oral rehydration salt at 17∶00, dissolved in 300 mL warm water, and was taken within one hour. The levels of CRP at 8∶00 on one day before operation (T1) and fasting at 8:00 on the day of operation (T2) were calculated, as well as GFV at 14∶00 on one day before operation (T3) and 23∶00 on one day before operation (T4). The times of defecation, postoperative exhaust time and postoperative hospital stay of the two groups were counted from 8∶00 on the day of operation after magnesium sulfate solution was given. Visual analogue scales (VAS) was used to calculate the VAS scores of the two groups at the room resting state (T5), immediately after surgery (T6) and one day affer surgery (T7). The occurrence of postoperative adverse reactions was compared between the two groups. Results Compared with T1 time point, the levels of CRP were decreased in both groups at T2 time point, and the combined group was lower than that in the magnesium sulfate solution group at T2 time point, the differences were highly statistically significant (all P < 0.01). Compared with T3 time point, GFV in both groups was reduced at T4 time point, and the combined group was lower than magnesium sulfate solution group at T4 time point, the differences were highly statistically significant (all P < 0.01). The times of defecation in the combined group was higher than that in the magnesium sulfate solution group, and the postoperative exhaust time and postoperative hospital stay were shorter than those in the magnesium sulfate solution group, and postoperative adverse reactions were lower than that in the magnesium sulfate solution group, with statistically significant differences (all P < 0.05). VAS score in T7 of the combined group was lower than that of the magnesium sulfate solution group, and the difference was statistically significant (P < 0.05). Conclusion Preoperative oral rehydration salts combined with magnesium sulfate can reduce the preoperative the levels of CRP and GFV in elderly breast cancer patients and reduce the incidence of postoperative adverse reactions, which is worthy of clinical application.
[Key words] Breast cancer; Magnesium sulfate; Rehydration salts; C-reactive protein
外科手術是乳腺癌的根本治療方式,術前有效的腸道準備,對患者的手術療效及預后極為重要[1]。臨床上術前常用高滲性瀉藥硫酸鎂,但口感差,且易影響患者電解質平衡[2]。術前口服補液鹽溶液屬于加速康復外科液體管理的相關措施[3]。有研究指出[4],術前口服補液鹽溶液可減輕機體胰島素抵抗、禁食水引起的應激反應等。故設立本研究,旨在探討術前口服補液鹽溶液聯合硫酸鎂對老年乳腺癌根治術患者相關細胞因子、預后等的影響,為臨床液體管理的優化提供參考。現將結果報道如下:
1 資料與方法
1.1 一般資料
選擇2018年11月—2019年4月河北北方學院附屬第一醫院(以下簡稱“我院”)擇期實施乳腺癌根治術的患者80例,按照隨機數字表法將其分為聯合組和硫酸鎂液組,每組各40例。本研究經我院醫學倫理委員會審核并通過。硫酸鎂液組年齡65~71歲,平均(67.52±2.00)歲;其中乳腺癌Ⅰ期16例,Ⅱ期24例。聯合組年齡65~70歲,平均(67.12±2.10)歲;其中乳腺癌Ⅰ期21例,Ⅱ期19例。納入標準:美國麻醉醫師協會(American society of anesthesiologists,ASA)體格狀態分級[5-6] Ⅰ~Ⅱ,年齡≥65歲;所有患者均符合乳腺癌的診斷標準[7];均經病理學確診;可進行正常交流。排除標準:伴胃肌輕癱、胃食管反流、病態肥胖等胃腸功能紊亂者;認知障礙者;糖尿病史者;需長期服用抗抑郁藥、鎮靜藥者。所有患者均簽署醫院科研倫理知情同意書。兩組一般資料比較,差異無統計學意義(P > 0.05),具有可比性。
1.2 方法
兩組術前均由護理人員進行術前評估和患者教育。硫酸鎂液組:術前1 d 15∶00口服25%硫酸鎂液(生產廠商:河北武羅藥業有限公司,國藥準字:H13022977,規格:50 g/盒)50 mL。聯合組:術前1 d 15∶00口服25%硫酸鎂液50 mL,17∶00口服補液鹽(廣西南寧百會藥業集團有限公司,藥物成分:每小包含氯化鉀0.75 g、碳酸氫鈉1.25 g),每次服6小包,溶于300 mL溫開水中,1 h內服完。
1.3 觀察指標
①分別于術前1 d 8∶00(T1)和手術當日8∶00(T2)空腹時抽取患者靜脈血2 mL,酶聯免疫吸附試驗[8][C-反應蛋白(CPR)試劑盒批號Q/SILX3-2002,國食藥間械字2003第3050382號]檢測兩組血漿CPR水平。②以床旁超聲(Siemens,型號:SC2000,產地:德國)測量兩組術前1 d 14∶00時(T3)和術前1 d 23∶00時(T4)胃內容物殘留量(GFV)。③統計兩組在給予硫酸鎂液后到術日晨8∶00時的排便次數及術后排氣時間、術后住院時間。④以視覺模擬評分法(VAS)[9]評估兩組入室靜息狀態(T5)、手術結束即刻(T6)和術后1 d(T7)的VAS評分。0分為無痛,10分為劇痛,分數越高,表明疼痛越劇烈。⑤統計兩組術后頭暈、惡心、乏力、腹部不適、皮膚瘙癢等不良反應發生情況。
1.4 統計學方法
采用SPSS 20.0統計學軟件對所得數據進行分析,計量資料采用均數±標準差(x±s)表示,組間比較采用t檢驗,計數資料采用百分率表示,組間比較采用χ2檢驗。以P < 0.05為差異有統計學意義。
2 結果
2.1 兩組術前和手術當日CRP水平比較
與T1時點比較,兩組T2時CRP水平均降低,且T2時點聯合組CRP水平低于硫酸鎂液組,差異有高度統計學意義(P < 0.01)。見表1。
2.2 兩組術前GFV比較
與T3時點比較,兩組T4時點GFV均減少,且T4時點聯合組GFV低于硫酸鎂液組,差異有高度統計學意義(P < 0.01)。見表2。
2.3 兩組排便次數、術后排氣時間和術后住院時間比較
聯合組排便次數高于硫酸鎂液組,術后排氣時間和術后住院時間短于硫酸鎂液組,差異有高度統計學意義(P < 0.01)。見表3。
2.4 兩組VAS評分比較
整體分析發現:兩組時間、組間、交互作用比較差異有統計學意義(P < 0.05)。進一步兩兩比較,組內比較,與T5比較,兩組T6、T7時VAS評分增加,差異有統計學意義(P < 0.05)。組間比較,T7時點聯合組的VAS評分低于硫酸鎂組,差異有統計學意義(P < 0.05),組間其他時間點比較,差異無統計學意義(P > 0.05)。見表4。
2.5 兩組術后不良反應比較
聯合組不良反應發生率低于硫酸鎂液組,差異有統計學意義(P < 0.05)。見表5。
3 討論
術前行常規腸道準備是減少乳腺癌患者術中因牽拉或麻醉反應而引起胃腸道反應的必要措施,亦可防止因肛門括約肌松弛導致糞便排出造成的污染及腸道被糞便或積氣充盈妨礙患者術后腸道不適[10-11]。因此,采用一種安全、有效、不良反應少、患者依從性好[12]的腸道清潔法是乳腺癌根治術患者重要的術前準備措施。
短時間內口服等滲補液鹽可致腸道內高容積,但不會產生電解質紊亂,進而促進腸蠕動,3~5 h即可使腸道清潔,清潔率高[13-14]。硫酸鎂可維持腸腔內高滲環境,增加腸道內水分及腸腔容積,刺激腸壁反射性地增加腸蠕動,從而加速排便[15-16]。老年患者身體機能下降,多伴有心腦血管等合并癥,是電解質紊亂的高危人群。因此,應用硫酸鎂對老年患者進行腸道準備時,需要注意電解質紊亂、頭暈、乏力、心悸等不良反應[17-19]。本研究將補液鹽與硫酸鎂聯合用于乳腺癌患者術前準備,術前日23∶00時,兩組GFV均減少,且聯合組顯著低于硫酸鎂液組,提示聯合用藥能更好地加速胃排空。聯合組排便次數高于硫酸鎂液組,術后排氣時間、術后住院時間短于硫酸鎂液組和不良反應發生率均低于硫酸鎂液組,提示聯合用藥在保證胃腸道排空的同時,能維持電解質穩定,保持有效循環血容量,從而降低患者術后不良反應發生率,進而縮短患者住院時間。
血漿中CRP是機體受到感染或損傷時急性反應的可靠指標,可以激活補體和吞噬細胞的吞噬作用來清除被破壞的宿主細胞[20-21]。本課題組先前研究顯示[22],炎癥反應參與了乳腺癌血管病變的變化,CRP與乳腺癌的發生、發展有密切關系。本研究提示,兩組手術當日CRP水平均低于術前日,且聯合組低于硫酸鎂液組,提示術前予以口服補液鹽聯合硫酸鎂可減輕乳腺癌患者炎癥反應,降低急性應激損傷。可能原因:乳腺癌患者長時間禁食、禁水,機體處于脫水狀態,且多存在免疫功能降低等情況,導致圍術期應激反應增強,術前口服補液鹽可以維持機體內環境平衡,降低炎癥反應,繼而下調CRP水平[23-25]。
本研究提示,聯合組術后1 d的VAS評分低于硫酸鎂液組,與相關研究[26]一致。可能原因:口服補液鹽可緩解患者饑餓感,有效緩解應激引起的激素水平變化,緩解患者焦慮、煩躁等不良情緒;補液鹽里的糖分可為機體提供能量,減少體內糖原分解,降低術后胰島素抵抗,有助于患者術后康復,進而減輕患者術后疼痛等不適感[27]。補液鹽溶液呈酸性,可增強患者術后胃腸動力,減少胃腸道不良反應,進而可盡快恢復胃腸道功能,降低術后不良反應,有效縮短住院時間,降低住院費用。
綜上,術前口服補液鹽聯合硫酸鎂可以降低老年乳腺癌患者CRP水平,減少GFV,減少術后不良反應發生率,值得臨床推廣應用。
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(收稿日期:2020-06-02)