{"id":20647,"date":"2022-07-07T13:21:59","date_gmt":"2022-07-07T20:21:59","guid":{"rendered":"https:\/\/ameripharmaspe.wpengine.com\/staging\/?p=19314"},"modified":"2026-06-17T15:54:18","modified_gmt":"2026-06-17T22:54:18","slug":"tpn%e6%98%af%e5%a6%82%e4%bd%95%e7%bb%99%e8%8d%af%e7%9a%84","status":"publish","type":"post","link":"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/","title":{"rendered":"TPN \u5982\u4f55\u7ed9\u836f\uff1fPICC \u5bfc\u7ba1\u3001\u96a7\u9053\u5f0f\u4e2d\u5fc3\u9759\u8109\u5bfc\u7ba1\u548c\u690d\u5165\u5f0f\u8f93\u6db2\u6e2f\u8be6\u89e3"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/#What_Is_Total_Parenteral_Nutrition_TPN\" >What Is Total Parenteral Nutrition (TPN)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/#Method_of_TPN_Administration\" >Method of TPN Administration<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/#Peripheral_Inserted_Central_Catheter_PICC\" >Peripheral Inserted Central Catheter (PICC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/#Tunneled_CVC\" >Tunneled CVC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/tpn\/how-is-tpn-administered\/#Implanted_Port\" >Implanted Port<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Total_Parenteral_Nutrition_TPN\"><\/span><strong>What Is Total Parenteral Nutrition (TPN)<\/strong>?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/ameripharmaspecialty.com\/tpn\/tpn-solution\/\">Total parenteral nutrition (TPN)<\/a> is a nutritional support method that delivers essential nutrients intravenously into a patient\u2019s bloodstream rather than through the gastrointestinal tract. TPN solution includes nutrients like glucose, minerals, proteins, carbohydrates, lipids, vitamins, and electrolytes. This method is also known as IV or intravenous nutrition feeding. It is commonly used for patients who cannot eat due to their medical conditions. Common indications include:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intestinal obstruction<\/li>\n\n\n\n<li>Infants with immature gastrointestinal tracts or congenital gastrointestinal malformations<\/li>\n\n\n\n<li>Chronic diarrhea or vomiting<\/li>\n\n\n\n<li>Severely malnourished patients requiring surgery or chemotherapy<\/li>\n\n\n\n<li>Severe injury\u00a0<\/li>\n\n\n\n<li>Ulcerative colitis\u00a0<\/li>\n\n\n\n<li>Crohn\u2019s disease\u00a0<\/li>\n\n\n\n<li>Short bowel syndrome\u00a0<\/li>\n\n\n\n<li>Patients who are nothing by mouth (NPO) for more than 7 days<\/li>\n\n\n\n<li>Patients with a nonfunctional or paralyzed gastrointestinal system [<a href=\"https:\/\/opentextbc.ca\/clinicalskills\/chapter\/8-8\/\">1<\/a>]\u00a0<\/li>\n<\/ul>\n\n\n\n<div  id=\"call-to-action-27367fbd4203ef8a0e313d434380db34\" style=\"\" class=\"ct_call_to_action\">\n\t<div class=\"container\">\n\t\t<div class=\"block-wrap cta\">\n\t\t\t<div class=\"block-column\">\n\t\t\t\t<div class=\"cta_headings\">\n\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"cta__heading\">\n\t\t\t\t\t\t\tIV Fluids Fully in Stock\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"cta__sub__heading\">\n\t\t\t\t\t\t\tReliable supply for uninterrupted care\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"cta_btn\">\n\t\t\t\t\t\t<a href=\"#form\">Get Started<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_of_TPN_Administration\"><\/span>Method of TPN Administration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">TPN involves a formula that is individualized for each patient based on weekly lab results. Once the formula is determined by a physician or pharmacist, the components are compounded into a daily infusion bag, which is administered using a small, portable infusion pump. <a href=\"https:\/\/ameripharmaspecialty.com\/tpn\/tpn-solution\/10-tips-for-adjusting-to-your-life-with-tpn-total-parenteral-nutrition\/\">TPN<\/a> is administered over 24 hours initially and, if tolerated well, can be cycled down to a daily 12\u201314 hour infusion. For long-term therapy, TPN is typically administered through a central venous catheter (CVC).<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">TPN may be short-term or long-term, depending on a patient\u2019s diagnosis and needs. For short-term use, nutrition can be administered through a peripheral line inserted by a nurse and replaced every 3\u20135 days. This is called peripheral parenteral nutrition (PPN). Because it is administered through smaller peripheral veins, PPN is intended for partial nutritional support rather than full replacement, and its use is typically limited to no more than 2 weeks.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">Common types are peripherally inserted central catheter (PICC), tunneled CVC, and implanted port.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Peripheral_Inserted_Central_Catheter_PICC\"><\/span>Peripheral Inserted Central Catheter (PICC)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">PICC lines are inserted by a nurse or physician into one of the upper arm veins (basilic, brachial, cephalic, or medial cubital veins). The catheter is inserted peripherally and guided by radiographic imaging until its tip reaches the <a href=\"https:\/\/teachmeanatomy.info\/thorax\/vasculature\/superior-vena-cava\/\">superior vena cava<\/a> (the vein above the heart).\u00a0 Once placed, the catheter tube will extend outside the skin. PICC lines can be used for TPN for up to 6 months, provided the catheter and insertion site remain stable and free of complications. After 6 months, these catheters will need to be replaced. Upon completion of treatment, PICC lines can safely be removed immediately by a nurse.<\/span><\/p>\n\n\n\n<div  id=\"call-to-action-83a978864911b87cc29f89a35ebf0cc7\" style=\"\" class=\"ct_call_to_action\">\n\t<div class=\"container\">\n\t\t<div class=\"block-wrap cta\">\n\t\t\t<div class=\"block-column\">\n\t\t\t\t<div class=\"cta_headings\">\n\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"cta__heading\">\n\t\t\t\t\t\t\tAmeriPharma\u00ae Specialty Care\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"cta__sub__heading\">\n\t\t\t\t\t\t\tTotal Parenteral Nutrition | Leader In TPN Assistance\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"cta_btn\">\n\t\t\t\t\t\t<a href=\"#form\">Schedule a Consultation<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tunneled_CVC\"><\/span>Tunneled CVC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">Tunneled CVCs are surgically placed by a nurse or doctor into a vein, usually in the neck or chest (jugular or <a href=\"https:\/\/www.kenhub.com\/en\/library\/anatomy\/the-subclavian-vein\">subclavian vein<\/a>). The catheter is passed under the skin through a small incision and is then guided by radiographic imaging until the tip ends in the superior vena cava (vein above the heart). To secure it, the catheter is sutured at the exit site, and like a PICC line, a portion of the catheter extends outside the skin. Tunneled catheters can stay in for years. Once it needs to be removed, the patient must be referred back to interventional radiology, and it will be removed by a healthcare professional.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implanted_Port\"><\/span>Implanted Port<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">An implanted port is more commonly known as a medi-port or port-a-cath. It is surgically placed, usually on the right side of the chest under the skin. The catheter attached to the reservoir is short and also ends in the superior vena cava (vein above the heart). Once placed, you will only see a small, palpable bump under the skin. There will not be any visible catheters sticking out of the skin. When access is needed, a special type of needle called a Huber needle is inserted into the port by a nurse. Ports may stay placed indefinitely as long as the catheter remains stable. Removing a port also requires a referral back to interventional radiology, and it will be removed by a healthcare professional.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5168\u80a0\u5916\u8425\u517b\uff08TPN\uff09\u662f\u4e00\u79cd\u8425\u517b\u652f\u6301\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u9759\u8109\u6ce8\u5c04\u5c06\u5fc5\u9700\u8425\u517b\u7d20\u76f4\u63a5\u8f93\u9001\u5230\u60a3\u8005\u7684\u8840\u6db2\u4e2d\uff0c\u800c\u4e0d\u662f\u901a\u8fc7\u80c3\u80a0\u9053\u3002TPN\u6eb6\u6db2\u5305\u542b\u8461\u8404\u7cd6\u3001\u77ff\u7269\u8d28\u3001\u86cb\u767d\u8d28\u3001\u78b3\u6c34\u5316\u5408\u7269\u3001\u8102\u7c7b\u3001\u7ef4\u751f\u7d20\u548c\u7535\u89e3\u8d28\u7b49\u8425\u517b\u7269\u8d28\u3002.<\/p>","protected":false},"author":36,"featured_media":20649,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[12],"tags":[9],"class_list":["post-20647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tpn","tag-dr-stephanie-shieh"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Is TPN Administered? Methods &amp; Access Sites | AmeriPharma<\/title>\n<meta name=\"description\" content=\"TPN is administered through a PICC line, tunneled CVC, or implanted port. Learn how each method works and what to expect from AmeriPharma.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/\u4e3b\u9898\u8bcd\u7ec4\/tpn\u662f\u5982\u4f55\u7ed9\u836f\u7684\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Is TPN Administered? Methods &amp; Access Sites | AmeriPharma\" \/>\n<meta property=\"og:description\" content=\"TPN is administered through a PICC line, tunneled CVC, or implanted port. Learn how each method works and what to expect from AmeriPharma.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ameripharmaspecialty.com\/zh\/\u4e3b\u9898\u8bcd\u7ec4\/tpn\u662f\u5982\u4f55\u7ed9\u836f\u7684\/\" \/>\n<meta property=\"og:site_name\" content=\"AmeriPharma\u00ae Specialty Care\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ameripharma\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-07T20:21:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-17T22:54:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2022\/07\/how-is-tpn-administered.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Neil Marshall, DACM, BSN, LAc, RN, CRNI, NCCAOM\u00ae\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Neil Marshall, DACM, BSN, LAc, RN, CRNI, NCCAOM\u00ae\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ameripharmaspecialty.com\\\/zh\\\/%e4%b8%bb%e9%a2%98%e8%af%8d%e7%bb%84\\\/tpn%e6%98%af%e5%a6%82%e4%bd%95%e7%bb%99%e8%8d%af%e7%9a%84\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ameripharmaspecialty.com\\\/zh\\\/%e4%b8%bb%e9%a2%98%e8%af%8d%e7%bb%84\\\/tpn%e6%98%af%e5%a6%82%e4%bd%95%e7%bb%99%e8%8d%af%e7%9a%84\\\/\"},\"author\":{\"name\":\"Neil Marshall, DACM, BSN, LAc, RN, CRNI, NCCAOM\u00ae\",\"@id\":\"https:\\\/\\\/ameripharmaspecialty.com\\\/es\\\/#\\\/schema\\\/person\\\/500d47a07e7d2dc3a954dae65910bc69\"},\"headline\":\"How Is TPN Administered? 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