林菲菲 葉亞云 王朋
[摘要] 目的 探討血清疼痛介質(zhì)及炎癥因子在腰椎間盤突出癥急性期患者康復(fù)治療前后的變化。 方法 選擇2017年1月~2018年12月就診的LDH急性期患者50例作為觀察組。觀察組患者予以臥床休息、避免腰部劇烈活動、腰椎骨盆牽引、針刺、理療和推拿等康復(fù)措施,連用7 d。觀察患者治療前和治療7 d后血清疼痛介質(zhì)[多巴胺(DA)、去甲腎上腺素(NE)和5-羥色胺(5-HT)]及炎癥因子[白介素-6(IL-6)、IL-8和IL-10]水平變化。另取體檢中心健康體檢者30例作為對照組。比較兩組血清DA、NE、5-HT、IL-6、IL-8和IL-10水平。 結(jié)果 觀察組患者血清DA、NE和5-HT水平明顯高于對照組(P<0.01);治療7 d后,觀察組患者血清DA、NE和5-HT水平較治療前明顯下降(P<0.05)。觀察組患者血清IL-6、IL-8水平明顯高于對照組,IL-10水平明顯低于對照組(P<0.01);治療7 d后,觀察組患者血清IL-6和IL-8水平較治療前明顯下降,IL-10水平較治療前明顯上升(P<0.05)。 結(jié)論 LDH急性期存在血清疼痛介質(zhì)DA、NE和5-HT水平異常升高,其水平的變化可作為LDH急性期治療療效隨訪和預(yù)后評估的敏感血清指標;同時LDH急性期存在促炎癥/抗炎癥因子網(wǎng)絡(luò)水平紊亂,血清IL-6、IL-8水平的異常升高,血清IL-10水平異常下降,其水平的變化亦可作為LDH急性期療效隨訪和預(yù)后評估的敏感血清指標。
[關(guān)鍵詞] 腰椎間盤突出癥;急性期;疼痛介質(zhì);炎癥因子
[中圖分類號] R681.3 ? ? ? ? ?[文獻標識碼] B ? ? ? ? ?[文章編號] 1673-9701(2020)10-0152-04
[Abstract] Objective To investigate the changes of serum pain mediators and inflammatory factors before and after rehabilitation treatment in patients with acute lumbar disc herniation. Methods 50 patients with acute LDH from January 2017 to December 2018 were enrolled as observation group. They were given rest in bed, avoiding lumbar violent activities, lumbar pelvic traction, acupuncture, physiotherapy and massage, etc., for 7 days. The changes of serum pain mediators including dopamine(DA), norepinephrine(NE) and serotonin(5-HT), and inflammatory factors including interleukin-6 (IL-6), IL-8 and IL-10 before and at 7 days after treatment in the observation group were observed. Another 30 healthy subjects in the physical examination center were used as the control group. Serum levels of DA, NE, 5-HT, IL-6, IL-8 and IL-10 were compared between two group. Results The levels of serum DA, NE and 5-HT in the observation group were significantly higher than those in the control group(P<0.01). In the observation group, the levels of serum DA, NE and 5-HT after 7 days of treatment were significantly lower than those before treatment(P<0.05). The levels of serum IL-6 and IL-8 in the observation group were significantly higher than those in the control group, and the level of IL-10 in the observation group was significantly lower than that in the control group(P<0.01). After 7 days of treatment, the serum levels of IL-6 and IL-8 in the observation group were higher than those before treatment, and the level of IL-10 decreased significantly compared with that before treatment(P<0.05). Conclusion The levels of serum pain mediators including DA, NE and 5-HT are abnormally elevated in the acute phase of LDH. The changes of serum levels can be used as sensitive serum indicators for the follow-up and prognosis evaluation of acute LDH treatment. Meanwhile, there is pro-inflammatory/anti-inflammatory factor network level disorder, abnormal rise of serum IL-6 and IL-8, and abnormal decrease of serum IL-10 in the acute phase of LDH. The change can also be used as a sensitive serum index for follow-up and prognosis evaluation of acute LDH treatment.
[Key words] Lumbar disc herniation; Acute phase; Pain mediators; Inflammatory factor
腰椎間盤突出癥(lumbar disc herniation,LDH)是門診常見病與多發(fā)病,其發(fā)病率占椎管疾病的第1位,多見于中老年患者,主要是由于各種原因?qū)е碌乃韬恕⒗w維環(huán)及軟骨板發(fā)生退行性變,使髓核等椎間盤組織從破裂處脫出或突出刺激或壓迫神經(jīng)根而引起腰腿痛或活動受限[1,2]。LDH的發(fā)病機制較復(fù)雜,近年來研究發(fā)現(xiàn)疼痛介質(zhì)及炎癥因子在其發(fā)病中起著極其重要作用[3,4]。臥床休息、腰椎骨盆牽引、針刺或推拿是目前治療LDH急性期常用的康復(fù)鍛煉措施,療效較好,但疼痛介質(zhì)及炎癥因子的在康復(fù)治療前后的變化國內(nèi)外報道較少[5,6]。本研究觀察了血清疼痛介質(zhì)及炎癥因子在腰椎間盤突出癥急性期患者康復(fù)治療前后的變化,現(xiàn)報道如下。
1 資料與方法
1.1 一般資料
選擇2017年1月~2018年12月在我院門診就診的LDH急性期患者50例作為觀察組。納入標準[7]:(1)診斷符合《腰椎間盤突出癥》中的相關(guān)標準[8],并經(jīng)CT或磁共振檢查確診;(2)1周內(nèi)急性發(fā)作或首次發(fā)作未超過1周。排除標準[9]:(1)腰椎狹窄、結(jié)核、轉(zhuǎn)移瘤及腰椎失穩(wěn)癥等原因引起腰腿痛者;(2)內(nèi)分泌、血液或代謝性疾病或嚴重感染性疾病者。另取我院體檢中心健康體檢者30例作為對照組。兩組性別、年齡及體質(zhì)量等情況均衡可比(P>0.05)。見表1。
1.2 方法
觀察組患者予以臥硬板床休息、避免腰部劇烈活動、腰椎骨盆牽引、針刺或理療推拿等康復(fù)干預(yù)措施,連用7 d。觀察患者治療前和治療7 d后血清疼痛介質(zhì)[多巴胺(Dopamine,DA)、去甲腎上腺素(Noradrenaline,NE)和5-羥色胺(5 -hydroxytryptamine,5-HT)]及炎癥因子[白介素-6(interleukin-6,IL-6)、IL-8和IL-10]水平變化。而對照組僅在入組前測定上述指標1次。
1.3 觀察指標
1.3.1 標本采集 ?采集靜脈血3~5 mL置入肝素鈉抗凝離心管中,2500 r/mim,4°C離心10 min分離出血清分裝,置于-70°C冰箱待檢。
1.3.2 血清DA、NE、5-HT、IL-6、IL-8和IL-10水平測定 ?采用熒光分光光度法測定血清DA、NE和5-HT水平;采用酶聯(lián)免疫吸附法測定IL-6、IL-8和IL-10水平。
1.4 統(tǒng)計學(xué)處理
應(yīng)用SPSS20.0軟件,計量資料用均數(shù)±標準差(x±s)表示,采用t檢驗,計數(shù)資料用[n(%)]表示,采用χ2檢驗,P<0.05為差異有統(tǒng)計學(xué)意義。
2 結(jié)果
2.1 對照組與觀察組以及觀察組治療前后血清DA、NE和5-HT水平比較
觀察組患者血清DA、NE和5-HT水平明顯高于對照組(P<0.01);治療7 d后,觀察組患者血清DA、NE和5-HT水平較治療前明顯下降(P<0.05)。見表2、3。
2.2 對照組與觀察組以及觀察組治療前后血清IL-6、IL-8和IL-10水平比較
觀察組患者血清IL-6、IL-8水平明顯高于對照組,IL-10水平明顯低于對照組(P<0.01);治療7 d后,觀察組患者血清IL-6和IL-8水平較治療前明顯下降,血清IL-10水平較治療前明顯上升(P<0.05)。見表4、5。
3 討論
近年來,研究認為疼痛介質(zhì)DA、NE和5-HT在LDH發(fā)病機制中的作用越來越受到重視。疼痛是LDH患者最主要最明顯的癥狀,主要由神經(jīng)根壓迫及其導(dǎo)致的神經(jīng)代謝紊亂所致,LDH患者局部或全身疼痛時疼痛介質(zhì)大量分泌,促使疼痛感受放大,測定疼痛介質(zhì)水平可判斷患者的疼痛測定[10-12]。DA、NE和5-HT是目前已知與疼痛發(fā)生及加劇密切相關(guān)的疼痛介質(zhì),DA、NE和5-HT三者均具有明顯的直接致痛作用,主要通過第二信使作用于局部,刺激感覺神經(jīng)末梢而產(chǎn)生疼痛[13-15]。本研究發(fā)現(xiàn)觀察組患者血清DA、NE和5-HT水平明顯高于對照組。提示LDH急性期存在血清疼痛介質(zhì)DA、NE和5-HT水平異常升高;同時研究還發(fā)現(xiàn)治療7 d后,觀察組患者血清DA、NE和5-HT水平較治療前明顯下降。提示血清疼痛介質(zhì)DA、NE和5-HT水平的變化可作為LDH急性期治療療效隨訪和預(yù)后評估的敏感血清指標。
近年來研究認為,炎癥因子IL-6、IL-8和IL-10在LDH發(fā)病機制中的作用越來越受到重視。研究認為LDH患者的神經(jīng)根性疼痛與局部炎癥關(guān)系密切,一方面LDH患者髓核本身對硬膜囊及神經(jīng)根均有致炎作用;另一方面巨噬細胞浸潤及血管新生可以形成椎間盤邊緣區(qū)域肉芽組織,進一步加劇局部炎癥反應(yīng)[16-18]。當(dāng)LDH患者疼痛加重時,刺激大量炎癥介質(zhì)釋放,促炎癥因子IL-6、IL-8等分泌釋放量明顯增加,抗炎癥因子IL-10釋放量明顯減少,加重組織細胞發(fā)生炎癥損傷,炎癥損傷進一步擴大疼痛感受,兩者形成惡性循環(huán)[19-21]。IL-6、IL-8是體內(nèi)主要的促炎癥因子,可促進炎癥細胞在病灶部位的聚集、活化,加重炎癥反應(yīng),參與LDH發(fā)病過程[22]。IL-10主要是由T淋巴細胞和單核巨噬細胞分泌的一種抗炎癥因子,主要通過間接抑制促炎癥因子的分泌釋放,下調(diào)體內(nèi)炎癥反應(yīng),參與LDH發(fā)病過程[23]。有研究發(fā)現(xiàn),隨著LDH伴疼痛患者血清TNF-α和IL-6水平升高,其腰腿痛癥狀越明顯,TNF-α和IL-6在突出的椎間盤組織及周圍有較高的表達活性,可通過影響椎間盤基質(zhì)降解酶的抑制酶而發(fā)揮作用[24-26]。因此,通過干預(yù)或調(diào)節(jié)炎癥因子水平,使得促炎/抗炎平衡得到優(yōu)化,消除神經(jīng)根部位的炎癥水腫,抑制炎癥反應(yīng)是目前治療LDH的新方向。觀察組患者血清IL-6、IL-8水平明顯高于對照組,IL-10水平明顯低于對照組,提示LDH急性期存在促炎癥/抗炎癥因子網(wǎng)絡(luò)水平紊亂,血清IL-6、IL-8水平的異常升高,血清IL-10水平異常下降。治療7 d后,觀察組患者血清IL-6和IL-8水平較治療前明顯下降,血清IL-10水平較治療前明顯上升。提示血清炎癥因子IL-6、IL-8和IL-10水平的變化可作為LDH急性期治療療效隨訪和預(yù)后評估的敏感血清指標。
總之,LDH急性期存在血清疼痛介質(zhì)DA、NE和5-HT水平異常升高,其水平的變化可作為LDH急性期療效隨訪和預(yù)后評估的敏感血清指標;同時LDH急性期存在促炎癥/抗炎癥因子網(wǎng)絡(luò)水平紊亂,血清IL-6、IL-8水平的異常升高,血清IL-10水平異常下降,其水平的變化亦可作為LDH急性期治療療效隨訪和預(yù)后評估的敏感血清指標。因此,如何通過有效的干預(yù)措施去調(diào)控這些疼痛介質(zhì)與炎癥因子,從而可以預(yù)防和治療LDH對人們帶來的痛楚,以及如何進一步研究上述疼痛介質(zhì)與炎癥因子對于LDH的損害機制還有待于進一步研究。
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(收稿日期:2019-03-22)