【正文】
鎂為根底的腸道清潔方案。 第九頁(yè),共十九頁(yè)。建議服用血管緊張素轉(zhuǎn)換酶抑制劑的患者在口服腸道清潔劑當(dāng)日和之后的72h內(nèi)不應(yīng)繼續(xù)服藥;利尿劑應(yīng)在口服腸道清潔劑時(shí)暫停1d;在口服腸道清潔劑當(dāng)日和之后的72h,建議停止使用非甾體消炎藥〔NSAIDs〕;使用胰島素、口服降糖藥控制血糖的患者,應(yīng)防止在檢查前一日服用腸道清潔劑。但對(duì)于飲食限制的時(shí)間不建議超過(guò)內(nèi)鏡檢查前24h。二甲基硅油最常用的劑量為120~240mg〔西甲硅油3~6mL〕或30%溶液45mL,可于瀉劑給藥時(shí)一起服用。 ? 5.慢性便秘患者的腸道準(zhǔn)備:伴有長(zhǎng)期便秘的患者腸道準(zhǔn)備效果差,可采用分次服用、預(yù)先使用緩瀉劑或聯(lián)合使用促胃腸動(dòng)力藥的方法提高效果。腸道準(zhǔn)備前應(yīng)對(duì)患者進(jìn)行充分的口頭和書面告知,告知腸道準(zhǔn)備的目的和方法,從而提高患者服用腸道清潔劑的依從性。 ? A lowresidue diet be used in conjunction with FDAapproved purgatives for bowel preparation before colonoscopy. ? Splitdose regimens for all patients and/or same day preparations for afternoon colonoscopies with a portion of the preparation taken within 3 to 8 hours of the procedure to enhance colonic cleansing and patient tolerance. ? Sodium phosphate and magnesium citrate preparations not be used in the elderly or patients with renal disease or taking medications that alter renal blood flow or electrolyte excretion.