Name: Introduction and Tunneling of Catheter
Uploaded: 2023-03-31T14:00:00
Description: Watch this Scientific Journal Video about Introduction and Tunneling of Catheter at JoVE.com

The video provides a detailed procedural guide for tunneling a catheter into the internal jugular vein (IJV). It describes the steps for choosing an entry site, using a Hickman catheter introducer, and ensures precise catheter placement beneath the skin. Proper hand positioning and technique are emphasized throughout the process.

introduction and tunneling of catheter

सूअर में दीर्घकालिक संवहनी पहुंच के लिए हिकमैन कैथेटर

The indispensable role of central venous catheters (CVCs) in patient care is owed to their convenience, favorable safety profile, and versatility1. Functions of a CVC include reliable access for total parenteral nutrition, hematopoietic stem cell transplantation, plasmapheresis/apheresis, and efficient fluid, blood, or co-drug administration2. In veterinary medicine, CVCs also minimize animal discomfort via the rapid dilution of irritant drugs and blood sampling without repeated venipuncture3. Despite their broad applications, the use of CVCs in large animal research still presents several considerable challenges4.
Percutaneous CVC placement via a guidewire or introducer catheter can be difficult for non-veterinary researchers, particularly in animals with deep venous structures5. An improper CVC installation technique may result in inadvertent placement into nearby structures, necessitating ultrasound-guided placement or a postprocedure radiography of the positioning6. However, compared to human operating rooms, ultrasounds are not readily available in many large animal research laboratories. Further, long-term use of indwelling catheters can result in line kinking, puncture, infection, or extrication by animals, with the possible disruption of timely treatment, clinical monitoring, and research outcomes4,7. Replacement of the CVC requires additional resources, including material procurement, surgical scheduling, fasting time, and radiographic access. CVC-related complications can therefore create significant technical and financial barriers or a disruption to productive translational research, particularly in swine. Contamination by food or feces, scratching against cage walls, and kicking sites of irritation may compromise a CVC, and the risk of CVC-related complications is amplified by long-term use. Thus, safe and uncomplicated maintenance of a CVC in swine requires careful consideration of CVC choice, placement, securement, protection, sanitation, and surveillance.
The Hickman catheter (HC) used in this protocol is a tunneled CVC with a polyester cuff and one to three lumens, that is commonly used for long-term intravenous access in humans and animals1,4,8,9. The tunneled catheter approach has been associated with lower complication rates and maintenance costs relative to non-tunneled variations10,11,12. The cuff reduces HC extrication by incorporating into the subcutaneous tissues surrounding the skin exit site. The multi-lumen design also enables the separation of medication administration and blood draws, thereby minimizing blood sample contamination and inaccuracy. Despite this, HC use is not without challenges, the most common of which include fracture, migration, occlusion, and infection13,14,15,16. Proper installation and maintenance of a HC are therefore indispensable skills when used in translational research. However, the current literature offers little guidance for best-practices for HC use in swine during long-term trials5,6,17.
The purpose of this study is to outline an optimized approach for HC insertion into the internal jugular vein (IJV), skin securement, and durable protection that minimizes long-term catheter-related complications and discomfort in swine. A discussion of the important considerations for HC use, potential challenges that may be encountered, and modifications that may improve the quality of this approach is included.

लेखक स्पॉटलाइट: एक प्रीक्लिनिकल स्वाइन मॉडल में दीर्घकालिक संवहनी पहुंच के लिए हिकमैन कैथेटर का उपयोग करें  

प्रीक्लिनिकल स्वाइन मॉडल में दीर्घकालिक संवहनी पहुंच के लिए हिकमैन कैथेटर का उपयोग

This protocol describes a reliable and reproducible technique for the insertion and maintenance of a tunnel Hickman catheter for long-term vascular access in a large animal model. The approach allows for convenient daily sampling of whole blood from awake animals and intravenous administration of medication and fluids. Some of the main challenges to the long-term central venous lines in large animals are infection and damages.As large animals are occasionally able to gain access to the lines and cause mechanical trauma. To mitigate these challenges, our group has invented our special pouches that protects the line while still allowing easy access to the same catheter. Central venous catheters are invaluable devices in large animal research as they facilitate a wide range of medical applications, but there is no consensus on the best practices for their insertion and maintenance.In response, we have proposed a protocol that comprehensively describes an approach for proper placement of a tunneled Hickman catheter in pigs that minimizes catheter-related complications and morbidity. The use of our approach in over 100 pigs has resulted in long-term patency and minimal complication rates. This protocol offers a method to optimize the lifespan of the Hickman catheter, and guidance for approaching issues during its use.

Watch this Scientific Journal Video about Introduction and Tunneling of Catheter at JoVE.com

Introduction and Tunneling of Catheter  

कैथेटर का परिचय और टनलिंग

कैथेटर की टनलिंग के लिए, गीली धुंध को हटा दें और पृथक आईजेवी खंड को फिर से पहचानें, फिर आईजेवी के समान गहराई पर कैथेटर परिचय के लिए एक लक्ष्य प्रवेश स्थल चुनें, जो स्टर्नोक्लाइडोमास्टोइड से गहरा है, और दो लेपित और चोटी वाले गैर-अवशोषक सीवन संबंधों के बीच। पृष्ठीय शल्य चिकित्सा क्षेत्र में प्रमुख हाथ में हिकमैन कैथेटर इंट्रोड्यूसर को पकड़ें और बाँझ क्षेत्र के ऊपर हवा में कैथेटर की शेष लंबाई को निलंबित करें। गैर-प्रमुख हाथ उदर शल्य चिकित्सा क्षेत्र में होना चाहिए।इंट्रोड्यूसर को प्रमुख हाथ से निकास पंचर साइट में डालें, डिवाइस की नोक को उदर क्षेत्र में गैर-प्रमुख हाथ की ओर इंगित करें। परिचयकर्ता की नोक को सतही और मध्यम रूप से धक्का दें ताकि कैथेटर को वसा ऊतक के माध्यम से सुरंग बनाया जा सके, एक गैर-प्रमुख हाथ से नोक के उद्भव के लिए महसूस किया जा सके। एक बार जब टिप लक्ष्य प्रवेश स्थल पर उभरती है, तो इंट्रोड्यूसर और कैथेटर को चमड़े के नीचे की सुरंग के माध्यम से खींचें जब तक कि मुख्य रेखा का कफ पृष्ठीय क्षेत्र की त्वचा की सतह के नीचे न हो।

Research

JoVE Journal

Medicine

Introduction and Tunneling of Catheter

Hickman Catheter Use for Long-Term Vascular Access in a Preclinical Swine Model

Central venous catheters (CVCs) are invaluable devices in large animal research as they facilitate a wide range of medical applications, including blood ...