楊林 繆南東 張小明 譚榜憲 任勇軍 鄧進(jìn) 胡曉
肝臟腫瘤是我國(guó)的常見(jiàn)疾病,大部分發(fā)現(xiàn)時(shí)已為晚期,失去外科切除機(jī)會(huì)。在肝癌非手術(shù)療法中,介入治療占有極其重要的地位。動(dòng)脈血栓、栓塞、肝動(dòng)脈插管、腹部外傷及手術(shù)等常導(dǎo)致肝動(dòng)脈閉塞[1-6]。本文報(bào)道經(jīng)動(dòng)脈介入治療肝動(dòng)脈閉塞的肝臟腫瘤6例,旨在探討肝動(dòng)脈閉塞后經(jīng)動(dòng)脈介入治療肝臟腫瘤的可能性。
1.1 臨床資料 2003年11月~2010年6月期間,我們采用經(jīng)動(dòng)脈介入治療肝動(dòng)脈閉塞的肝臟腫瘤6例。6例中,男性5例,女性1例,年齡36歲~59歲,平均47.8±9.8歲。原發(fā)疾病:原發(fā)性肝癌4例,轉(zhuǎn)移性肝癌2例。肝動(dòng)脈閉塞原因:肝動(dòng)脈插管所致5例,外科手術(shù)1例(因肝癌進(jìn)行肝葉切除術(shù))。
1.2 方法 常規(guī)穿刺右側(cè)股動(dòng)脈(Seldinger法),以5FRH導(dǎo)管(日本TERUMO公司)分別選擇腹腔動(dòng)脈和腸系膜上動(dòng)脈進(jìn)行數(shù)字減影血管造影(diagnostic digital subtraction angiography, DSA)。儀器:LCV p lu s DSA(美國(guó)GE公司)。對(duì)比劑:碘海醇(300m g I/m l)(浙江揚(yáng)子江藥業(yè)有限公司),流率5~6m l/s,劑量20~25m l,壓力300psi,以MEDRADR Mark V Provis高壓注射器(美國(guó)MEDRAD公司)注射。觀察肝動(dòng)脈閉塞及側(cè)枝循環(huán)建立情況后,超選擇插管至側(cè)枝動(dòng)脈,必要時(shí)使用3F SP微導(dǎo)管(日本TERUMO公司)。插管到位后,灌注5-Fu1000~1500m g,羥基喜樹(shù)堿30~50m g,表阿霉素40~60m g稀釋液化療,然后采用碘化油(2~8m l)栓塞腫瘤血管。
肝總動(dòng)脈完全閉塞6例,均可見(jiàn)側(cè)枝循環(huán)形成。側(cè)枝循環(huán)起源于腸系膜上動(dòng)脈5例(83.3%),起源于胃左動(dòng)脈1例(16.7%)。門靜脈主干及分支顯影良好、通暢。通過(guò)側(cè)枝動(dòng)脈完成介入治療6例(100%),其中,經(jīng)動(dòng)脈灌注化療栓塞(transcatheter arterial chem oem bolization,TACE)和經(jīng)動(dòng)脈灌注化療(transcatheter arterial infusion,TAI)各3例(圖1-8)。
TACE是失去外科手術(shù)治療機(jī)會(huì)肝癌的重要治療方法,可以明顯延長(zhǎng)病人生存期、提高病人生活質(zhì)量[7-9]。對(duì)于各種原因?qū)е碌母蝿?dòng)脈閉塞的肝臟腫瘤病例,由于肝動(dòng)脈閉塞后經(jīng)動(dòng)脈介入治療困難,或不能進(jìn)行介入治療而更改治療方案。
側(cè)枝循環(huán)形成是機(jī)體的代償機(jī)制。文獻(xiàn)報(bào)道肝動(dòng)脈閉塞后將立即出現(xiàn)側(cè)枝動(dòng)脈供應(yīng)肝臟[10-13]。肝動(dòng)脈閉塞后出現(xiàn)的側(cè)枝動(dòng)脈可起源于膈下動(dòng)脈、腸系膜上動(dòng)脈、腹腔動(dòng)脈、胃左動(dòng)脈和胰背動(dòng)脈等[10-14]。本組病例主要起源于腸系膜上動(dòng)脈。
Kw on JW等[15]于2002年報(bào)道肝細(xì)胞癌合并腹腔動(dòng)脈閉塞36例,其中通過(guò)腸系膜上動(dòng)脈-胰十二指腸動(dòng)脈弓進(jìn)行TACE9例(25%)。Ik eda O等[16]亦作了類似報(bào)道,他們通過(guò)來(lái)源于腸系膜上動(dòng)脈的側(cè)枝動(dòng)脈對(duì)合并腹腔動(dòng)脈閉塞的肝臟腫瘤(包括肝細(xì)胞癌及轉(zhuǎn)移性肝癌)進(jìn)行了TACE治療或植入藥盒化療。
Murata S等[13]在2005年報(bào)道肝動(dòng)脈插管所致肝動(dòng)脈閉塞的肝臟腫瘤14例,其中肝細(xì)胞癌5例,轉(zhuǎn)移性肝癌9例,DSA顯示其側(cè)枝循環(huán)來(lái)源于膈下動(dòng)脈7例(50%),胰背動(dòng)脈4例(29%),腹腔動(dòng)脈吻合支1例(7%),主要側(cè)枝動(dòng)脈未顯示2例(14%),均通過(guò)側(cè)枝血管完成介入治療,其中TACE11例,TA I3例。對(duì)于匯管區(qū)側(cè)枝動(dòng)脈為主要供血?jiǎng)用}病例,或超選插管不能到達(dá)主要側(cè)枝供血?jiǎng)用}的病例,為了預(yù)防動(dòng)脈栓塞副反應(yīng),如膽管炎、胃腸道損傷等,均進(jìn)行TA I治療。
本組側(cè)枝供血?jiǎng)用}主要來(lái)源于腸系膜上動(dòng)脈,均進(jìn)行TACE或TA I介入治療。對(duì)于導(dǎo)管可以到達(dá)主要側(cè)枝動(dòng)脈遠(yuǎn)端的病例,進(jìn)行TACE治療,對(duì)于導(dǎo)管不能到達(dá)主要側(cè)枝動(dòng)脈遠(yuǎn)端的病例、或不能耐受TACE治療者,則進(jìn)行TA I治療。
本組資料初步表明:對(duì)于合并肝動(dòng)脈閉塞的肝臟腫瘤經(jīng)側(cè)枝動(dòng)脈介入治療切實(shí)可行。由于本組病例較少,需要繼續(xù)收集資料深入研究。
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