Guidelines for Venous Access in Patients with Chronic Kidney Disease

Total Page:16

File Type:pdf, Size:1020Kb

Guidelines for Venous Access in Patients with Chronic Kidney Disease Guidelines for Venous Access in Patients with Chronic Kidney Disease A Position Statement from the American Society of Diagnostic and Interventional Nephrology1 Clinical Practice Committee and the Association for Vascular Access2 Jeffrey Hoggard,* Theodore Saad,† Don Schon,‡ Thomas M. Vesely,§ and Tim Royer– *Eastern Nephrology Associates, P.L.L.C., Greenville, North Carolina, †Nephrology Associates, P.A., Department of Medicine, Nephrology Christiana Care Health System, Newark, Delaware, ‡Arizona Kidney Disease and Hypertension Surgery Center, Phoenix, Arizona, §Vascular Access Center, Frontenac, Missouri, and ¶VA Puget Sound Health Care System, Seattle, Washington ABSTRACT At the time of hemodialysis vascular access evaluation, many greater prevalence of arteriovenous fistulae in the US hemodi- chronic kidney disease patients already have iatrogenic injury alysis population will require identification of those patients to their veins which impedes the surgical construction of an prior to reaching end-stage renal disease and an educational arteriovenous fistula (AVF). Achieving the important goal of a and procedural system for preserving their veins. The use of venous access devices is ubiquitous in mod- the future. Secondly, these guidelines provide an algo- ern medicine. Establishing and maintaining intravenous rithm for delivery of optimal venous access in these access for patients with chronic kidney disease (CKD) high-risk patients. Ultimately, this requires an integrated necessitate special considerations unique to this patient team approach involving the physician requesting population. In patients with CKD preservation of the venous access, the nurses caring for the patient, the vas- integrity of peripheral and central veins is of vital impor- cular access nurses responsible for placement of periph- tance for future hemodialysis access. Cannulation of eral venous access, vascular access experts responsible veinsandinsertionofvenousaccessdeviceshavepoten- for image-directed placement of venous access (interven- tial to injure the veins and thereby incite phlebitis, sclero- tional radiologists, nephrologists, or surgeons), the clini- sis, stenosis or thrombosis. The creation of a high cal nephrologist managing the patient’s CKD, and the quality arteriovenous fistula (AVF) may become diffi- vascular surgeon responsible for creating arteriovenous cult or impossible in the presence of prior venous injury. hemodialysis accesses. Optimal venous access practice The purpose of these guidelines is twofold. First, they and management for the CKD patient is likely best provide criteria for early identification of CKD patients achieved by establishing consensus Policy and Procedure who are likely to need a hemodialysis graft or fistula in at each institution. 1ASDIN Clinical Practice Committee members: Steve Ash, M.D.,Chair,GeraldBeathard,M.D.,JeffreyHoggard,M.D., Background Terry Litchfield, M.P.A., Dr.PH., George Nassar, M.D., Tony Samaha, M.D., Don Schon, M.D., Vijay Sreenarasimhaiah, Vascular Access for Hemodialysis M.D.,TomVesely,M.D.,MonnieWasse,M.D. 2 The autogenous AVF is the preferred form of vascu- AVA members: Denise Macklin, RNBC, Kathy McHugh, RN, lar access for hemodialysis, delivering superior patency BSN,TimRoyer,BSN,CRNI,KelliRosenthal,MS,RN,BC,CRNI, ANP, APRN, BC with lower morbidity, hospitalization, and costs relative to prosthetic grafts or hemodialysis catheters (1–6). For Address correspondence to: Jeffrey Hoggard, MD, 1776 these reasons, the nephrology community has imple- Blue Banks Farm Rd, Greenville, NC 27834, or email: jhog- [email protected]. mented a nationwide agenda to increase the creation of Seminars in Dialysis—Vol 21, No 2 (March–April) 2008 autogenous fistulae in hemodialysis patients. The pp. 186–191 National Kidney Foundation – Kidney Disease Out- DOI: 10.1111/j.1525-139X.2008.00421.x comes Quality Initiative (NKF-KDOQI) publishes 186 GUIDELINES FOR VENOUS ACCESS IN PATIENTS 187 specific guidelines relative to creation and management ing thrombosis after PICC placement. In a similar study, of hemodialysis vascular accesses (7). More recently, the Gonsalves et al. reviewed venographic studies that were Centers for Medicare and Medicaid Services (CMS) performed both before and after insertion of PICCs in along with the regional End-Stage Renal Disease 150 patients to determine the incidence of central venous (ESRD) Networks and the clinical nephrology commu- stenosis or occlusion (17). These investigators reported nity have developed and promoted the National Vascu- that 7.5% of patients with previously normal central lar Access Improvement Initiative (NVAII) called venograms developed subsequent venographic abnor- ‘‘Fistula First Breakthrough,’’ with the specific goal of malities after PICC placement; 4.8% developed central promoting more autogenous fistulae in hemodialysis venous stenosis and 2.7% had central venous occlusion. patients. By 2009, the goal is to achieve a 67% Abdullah et al performed venography at the time of prevalence rate of autogenous fistulae in hemodialysis PICC removal in a small prospective study and docu- patients (8). Ultimately, this strategy to create more mented venous occlusion in 38.5% of 26 patients (18). functional fistulae is critically dependent on the avail- Central venous catheters inserted into the subclavian ability and condition of the patient’s central and vein can cause stenosis and thrombosis. Hernandez et al. peripheral veins. Frequent venipuncture and the indis- used serial venographic studies to evaluate the long-term criminate use of peripheral intravenous lines, peripher- effects of subclavian vein catheters in 42 patients (19). At ally inserted central catheters (PICCs) or central venous the time of catheter removal, 45% of patients had ste- catheters can damage veins, impair venous circulation noses and 7% had total thrombosis of the subclavian and jeopardize future fistula construction or function. vein. In a retrospective study of 279 central venous cath- Therefore, to preserve peripheral and central veins for eters in 238 patients, Trerotola et al. reported that cathe- future hemodialysis vascular access it is of paramount ter-related venous thrombosis occurred in 13% of importance that CKD patients achieve early protection patients with subclavian vein catheters, compared with of their critical venous real estate. This important con- 3% of patients with internal jugular vein catheters (20). cept has been emphasized in editorials by Trerotola (9), The mean time to thrombosis was 36 days for subcla- Saad and Vesely (10), and more recently by McLennan vian catheters and 142 days for internal jugular vein (11). catheters. Similarly, Bambauer reported an incidence of thrombosis or stenosis in 8% of patients receiving sub- clavian vein catheters and only 0.3% of patients with Venous Injury internal jugular vein catheters (21). The NKF-KDOQI The injurious effects of phlebotomy and peripheral Guidelines recommend the use of internal jugular vein and central venous catheters include phlebitis, venous and avoidance of the subclavian vein and PICCs for sclerosis, stenosis, and thrombosis. Vascular damage venous access based on this data. may occur early, at the time of catheter insertion, or the injury may be progressive if the catheter remains in the Guidelines for Venous Access in Patients with veinforanextendedperiodoftime(12).Forauerand Chronic Kidney Disease colleagues reported their findings from an autopsy study; these investigators described pathological changes of endothelial denudation associated with short-term A. Identify CKD patients who may need hemodialy- central catheter use. With long-term catheter use, there sis treatment in the future. was vein wall thickening, increased number of smooth 1. Patients with CKD Stages-3, 4 or 5. This muscle cells, and focal catheter attachments to the vein includes stage 5 CKD patients currently receiv- wall with thrombus and collagen (13). Ducatman et al ing hemodialysis or peritoneal dialysis. performed an autopsy study of 141 patients with central 2. Patients with a functional kidney transplant. venous catheters and reported that 32% had pericathe- B. Venous Access for stage 3–5 CKD patients. ter thrombus in the brachiocephalic veins or superior 1. The dorsal veins of the hand are the preferred vena cava within 2 weeks after catheter insertion (14). In location for phlebotomy and peripheral venous the majority of previously published studies, including access. the classic study of PICCs by Grove and Pevec, follow- 2. The internal jugular veins are the preferred up imaging studies were only performed in symptomatic location for central venous access. patients (15). A more accurate assessment of venous 3. The external jugular veins are an acceptable injury would require thorough venographic imaging alternative for venous access. both before and after placement of the venous catheters 4. The subclavian veins should not be used for cen- in all patients. Allen et al. used contrast venography at tral venous access. the time of initial PICC placement, and then again when 5. Placement of a PICC should be avoided. a subsequent PICC was placed in the same patients (16). C. Implementation of Policy and Procedure for These investigators reported that 23.3% of patients Venous Access in CKD patients. developed venous thrombosis after initial PICC place- ment. When all subsequent PICC placements were included for patients who underwent multiple PICC Policy and Procedure should be established to allow insertion procedures,
Recommended publications
  • Blood Collection
    Blood Collection (Note: Navigation around this large pdf document is best accomplished using the bookmarks function.) 355.1 Preface Blood collection (venipuncture, phlebotomy) is a common and important specimen collection procedure in the conduct of research. In many protocols, multiple blood draws are an important part of collecting and analyzing data. The Emory University Institutional Animal Care and Use Committee (IACUC) developed a policy to best enable blood collection while minimizing the potential for pain, unnecessary stress, distress or untoward effect in research animals. These are articulated by way of this general overview supplemented by companion documents appropriate to certain species. The species-specific sections differentiate from the general standards in being more precise, and sometimes more adaptable, in considering the frequency and total number of blood collection events; maximum collectable volumes allowed based upon specific physiology; detailing allowable routes particular to each species; differentiating between terminal and survival circumstances; disclosing requirements for anesthesia or restraint; scientific qualifiers and addressing conditionally permissible methods or settings germane to a species. This list is not exhaustive and persons requiring information regarding the supplies and equipment needed, specifics of restraint or anesthesia, requirements for ancillary care, habituation requirements, application to study in the field and other information are encouraged to contact the Training Coordinators for their specific site. o DAR Training Request: http://www.dar.emory.edu/forms/training_wrkshp.php o Yerkes National Primate Research Center Training: Jennifer McMillan, [email protected], 404-712-9217 While it only takes about 24 hours for the lost fluid volume of blood to be restored, it takes longer to regeneratively replenish erythrocytes, platelets and other circulating factors.
    [Show full text]
  • Interaction Between Renal Replacement Therapy And
    rren Cu t R y: es Romano, Surgery Curr Res 2014, 4:1 r e e a g r r c u h DOI: 10.4172/2161-1076.1000154 S Surgery: Current Research ISSN: 2161-1076 Review Article Open Access Interaction between Renal Replacement Therapy and Extracorporeal Membrane Oxygenation Support Thiago Gomes Romano* Assistant Teaching Professor for the Discipline of Nephrology, ABC Medical School Medical Intensivist at Hospital, Sírio-Libanês, Brazil Abstract Extracorporeal Membrane Oxygenation (ECMO) is one of the designations used for extracorporeal circuits capable of oxygenation, carbon dioxide removal and, eventually, circulatory support. Acute respiratory distress syndrome with severe hypoxemia or acidemia with high carbon dioxide levels in a scenario of low pulmonary tidal volume is its mainly indication. Acute Kidney Injury (AKI) and its complications such as volume overload and azotemia are common in this situation; some epidemiological studies have shown that around 78% of the patients demanding ECMO therapy develop AKI. Therefore, renal replacement therapy is required in about 50% of those cases. This papers aims to explain the concept of the ECMO circuit and the ways continuous renal replacement therapy (CRRT) can be instituted in critical ill patients who need ECMO. Keywords: ECMO; Renal replacement therapy; Dialysis internal jugular or femoral vein with the return placed in the femoral artery. Additionally, a jugular-carotid cannulation is one option despite Introduction the potential for neurological injury. In cases exclusively intended for Extracorporeal Membrane Oxygenation (ECMO) is one of the ventilatory support [venovenous (VV) ECMO], cannulation can be designations used for extracorporeal circuits capable of oxygenation, placed femoro-jugular, jugular-femoral or femoral-femoral depending carbon dioxide (CO ) removal and, eventually, circulatory support.
    [Show full text]
  • Pictures of Central Venous Catheters
    Pictures of Central Venous Catheters Below are examples of central venous catheters. This is not an all inclusive list of either type of catheter or type of access device. Tunneled Central Venous Catheters. Tunneled catheters are passed under the skin to a separate exit point. This helps stabilize them making them useful for long term therapy. They can have one or more lumens. Power Hickman® Multi-lumen Hickman® or Groshong® Tunneled Central Broviac® Long-Term Tunneled Central Venous Catheter Dialysis Catheters Venous Catheter © 2013 C. R. Bard, Inc. Used with permission. Bard, are trademarks and/or registered trademarks of C. R. Bard, Inc. Implanted Ports. Inplanted ports are also tunneled under the skin. The port itself is placed under the skin and accessed as needed. When not accessed, they only need an occasional flush but otherwise do not require care. They can be multilumen as well. They are also useful for long term therapy. ` Single lumen PowerPort® Vue Implantable Port Titanium Dome Port Dual lumen SlimPort® Dual-lumen RosenblattTM Implantable Port © 2013 C. R. Bard, Inc. Used with permission. Bard, are trademarks and/or registered trademarks of C. R. Bard, Inc. Non-tunneled Central Venous Catheters. Non-tunneled catheters are used for short term therapy and in emergent situations. MAHURKARTM Elite Dialysis Catheter Image provided courtesy of Covidien. MAHURKAR is a trademark of Sakharam D. Mahurkar, MD. © Covidien. All rights reserved. Peripherally Inserted Central Catheters. A “PICC” is inserted in a large peripheral vein, such as the cephalic or basilic vein, and then advanced until the tip rests in the distal superior vena cava or cavoatrial junction.
    [Show full text]
  • Digital Vein Mapping Guiding Laser and Injection Sclerotherapy to Treat Telangiectasias and Feeder Veins: Report of 140 Cases
    ARTÍCULO ORIGINAL Digital Vein Mapping Guiding Laser and Injection sclerotherapy to treat telangiectasias and Feeder Veins: Report of 140 Cases. Authors: Roberto Kasuo Miyake, MD, PhD / Rodrigo Kikuchi, MD / Flavio Henrique Duarte, MD / John Davidson, MD / Hiroshi Miyake, MD, PhD Institution: Clinica Miyake, Sao Paulo, Brazil E-Mail autor: [email protected] Fecha recepción artículo: 23/11/2008 - Fecha aceptación artículo: Marzo 2009 Abstract Resumen Background and Objective: Telangiectasias Antecedentes y Objetivo: la ineficiencia en el treatment inefficiency may occur due to tratamiento de las telangiectasias puede deber- invisible feeder veins. These veins can be made se a las venas nutricias no visibles. Estas venas discernible by use of a digital vein detection pueden hacerse perceptibles mediante el uso de device (V-V). This study evaluates a method un dispositivo digital de detección (VV). Este to treat vascular lesions by combining 1064nm estudio evalúa un método para el tratamiento laser, injection sclerotherapy, a skin cooling de lesiones vasculares mediante la combinación device (CLaCS) and the V-V. de láser de 1064nm, la escleroterapia por inyec- Materials and Methods: Patients were treated ción y un dispositivo de enfriamiento de la piel with laser and sclerotherapy, both applied (CLACS, Cryo-Laser y Cryo-Sclerotherapy)) y under cooling. V-V was used to visualize hidden el VV (The VeinViewer™). feeder veins. Material y Métodos: Los pacientes fueron trata- Results: A total of 140 patients underwent dos con láser y la escleroterapia, ambos aplicados CLaCS. In 121 patients (86%) satisfactory bajo enfriamiento con (CLaCS). El dispositivo cosmetic results were obtained avoiding digital V-V se utiliza para visualizar las venas phlebectomy.
    [Show full text]
  • Overview of Complications of Hemodialysis Access
    Update on Hemodialysis Access Raymond J. Holmes, MD April 4th, 2019 Presenter Disclosure Information Raymond J. Holmes, MD The Cardiovascular Care Group FINANCIAL DISCLOSURE: Nothing to disclose UNLABELED/UNAPPROVED USES DISCLOSURE: No unlabeled and or unapproved off-label use of products or devices will be discussed in this presentation Update on Hemodialysis Access Surgery • Overview: K-DOQI and Fistula First • Strategy for sequential access placement • AV fistula, AV graft, basilic vein transposition, HeRO device • Endovascular Intervention • Complications In the Beginning… Belding Scribner 1921-2003 Chronic hemodialysis using venipuncture and a surgically created arteriovenous fistula Michael J. Brescia, M.D., James E. Cimino, M.D., Kenneth Appel, M.D. and Baruch J. Hurwich, M.D. NEJM 275:1089-1092, 1966. James E. Cimino (1928-2010) What is the best access for hemodialysis? • 53 years after initial description of the AV fistula, it still remains the best access for hemodialysis Michael J. Brescia, M.D., James E. Cimino, M.D., Kenneth Appel, M.D. and Baruch J. Hurwich, M.D. NEJM 275:1089-1092, 1966. DOQI Guidelines • Developed by National Kidney Foundation. (www.kidney.org) • Common sense, common practice • Some “evidence” based; some opinion based. • Careful disclaimers not to be “standard of care” – However, widely adapted as “standard of care”. Guidelines on topics for management of patients with chronic kidney disease including vascular access •Clinical Practice Guidelines for Vascular Access, Update 2006 •Guideline 1. Patient Preparation for Permanent Hemodialysis Access •Guideline 2. Selection and Placement of Hemodialysis Access •Guideline 3. Cannulationof Fistulae and Grafts and Accession of Hemodialysis Catheters and Port Catheter Systems •Guideline 4.
    [Show full text]
  • Hemodialysis
    The Ohio State University Veterinary Medical Center Hemodialysis What is hemodialysis? Hemodialysis is a method of blood purification that This is most commonly performed in the acute setting removes blood from the body through a catheter (acute kidney injury) for animals but may also be elected and filters it through a dialyzer (artificial kidney). for patients with chronic kidney dysfunction. Hemodialysis is used to purify the blood by eliminating While acute kidney injury is the most common reason toxic metabolites, balancing electrolytes, and removing for performing hemodialysis, it can also be used to treat excess water that builds up when the kidneys are acute intoxications to enhance elimination of a toxin. unable to excrete it. Indications for Hemodialysis Acute Kidney Injury This is the most common indication for hemodialysis. 10-14 days of hospitalization and treatment. With acute This procedure should be considered when clinical kidney injury, the kidneys typically start to regain some uremia, hyperkalemia, acid/base disturbances, and function within this time period, but a lack of response fluid overload cannot be managed with conventional does not mean the kidneys will never recover. medical therapy. The best time to start hemodialysis There are instances when it may take up to four weeks is still unknown (even in human medicine), but starting to become dialysis independent. Patients are generally treatment sooner means fewer side effects from uremia. transitioned after the 10-14 days to outpatient treatments Thus, hemodialysis should be considered sooner rather to continue to provide time for the kidneys to recover. than later. Outpatient treatments allow families to play an active When hemodialysis is performed, pet owners should role in facilitating recovery.
    [Show full text]
  • UNDERSTANDING YOUR HEMODIALYSIS OPTIONS Hemodialysis Is a Treatment for Access People Whose Kidneys Are No Longer Involves Working
    UNDERSTANDINGUnderstanding YOUR HEMODIALYSISYour OPTIONS Hemodialysis Access Options This educational activity is supported by a donation by Amgen, Inc UNDERSTANDING YOUR HEMODIALYSIS OPTIONS Hemodialysis is a treatment for access people whose kidneys are no longer involves working. The treatment removes making a waste products and fluid from the connection blood using an artificial kidney between an machine. It is the most common artery and a treatment for people who have end- vein under stage renal disease (ESRD), or whose the skin. A kidneys no longer work. surgeon will make There are four types of hemodialysis your fistula treatment options. AAKP created this or graft brochure to explain each of your by sewing treatment options, and to show you one of your the pros and cons of each option. arteries to Mayo Clinic Foundation for one of your Education and Research veins. It’s CREATING AN ACCESS a simple medical procedure. Your surgeon Before you begin hemodialysis chooses which artery and vein to treatment, a surgeon must create connect depending on how fast your an access for the machine. Don’t be blood flows through the artery and afraid. Access for the machine will vein. be at a place on your body close to a vein and artery. It allows access A catheter is the other type of to your blood stream. Blood goes access. A catheter is a thin, flexible from your body through the access tube that can be put through a small and to the dialysis machine. Once hole in your body. A surgeon inserts inside the artificial kidney machine, the catheter through your skin into the machine cleans the blood and a large vein in the neck, chest or returns the clean blood back to groin.
    [Show full text]
  • Ultrafiltration I Hemodialysis During Cardiopulmonary Bypass: a Case Report
    THE jOURNAL OF EXTRA-CORPOREAL TECHNOLOGY Case Report Ultrafiltration I Hemodialysis During Cardiopulmonary Bypass: A Case Report Scott D. Niles, BA, Robin G. Sutton, MS, CCP, Richard P. Embrey, MD University of Iowa Hospitals and Clinics, Iowa City, Iowa Keywords: cardiopulmonary bypass; hemodialysis, concurrent; technique; ultrafiltration. ABSTRACT Patient demographics for elective cardiovascular surgery have shifted toward older patients with more profound disease states. Cardiopulmonary bypass is complicated when the patient presents with end stage renal disease. Hemodialysis during cardiopulmonary bypass has been successfully employed to reduce the postoperative sequelae associated with cardiopulmo­ nary bypass. A patient with end stage renal disease who presented for coronary artery bypass grafting serves as the subject of this case report. Utilizing a modified technique previously described by Wiggins and Dearing, we describe successful intraoperative use of hemodialysis during cardiopulmonary bypass. Our experience suggests that hemodialysis during cardiopulmo­ nary bypass is an effective alternative to ultrafiltration and may prolong the time interval for resumption of postoperative dialysis regimens. Address correspondence to: Scott D. Niles University of Iowa Hospitals and Clinics Perfusion Technology Program Department of Surgery Division of Cardiothoracic Surgery 1600 JCP Iowa City, lA 52242 104 Volume 27, Number 2, June 1995 THE jOURNAL OF EXTRA-CORPOREAL TECHNOLOGY INTRODUCTION helping to resolve elevated BUN and creatinine levels. A hemodialysis circuit was constructed in parallel with the Population demographics in patients undergoing elective cardiopulmonary bypass circuit (Figure 1). A purge port on top cardiovascular surgery have undergone dramatic changes over of the arterial filter served as the blood source for an ultrafiltration the past twenty years, With a trend toward older patients with hemoconcentrator which then emptied into a venous reservoir bag.
    [Show full text]
  • Diagnostic Blood Loss from Phlebotomy and Hospital-Acquired Anemia During Acute Myocardial Infarction
    ORIGINAL INVESTIGATION ONLINE FIRST |LESS IS MORE Diagnostic Blood Loss From Phlebotomy and Hospital-Acquired Anemia During Acute Myocardial Infarction Adam C. Salisbury, MD, MSc; Kimberly J. Reid, MS; Karen P. Alexander, MD; Frederick A. Masoudi, MD, MSPH; Sue-Min Lai, PhD, MS, MBA; Paul S. Chan, MD, MSc; Richard G. Bach, MD; Tracy Y. Wang, MD, MHS, MSc; John A. Spertus, MD, MPH; Mikhail Kosiborod, MD Background: Hospital-acquired anemia (HAA) during Results: Moderate to severe HAA developed in 3551 pa- acute myocardial infarction (AMI) is associated with tients(20%).Themean(SD)phlebotomyvolumewashigher higher mortality and worse health status and often de- in patients with HAA (173.8 [139.3] mL) vs those without velops in the absence of recognized bleeding. The ex- HAA (83.5 [52.0 mL]; PϽ.001). There was significant varia- tent to which diagnostic phlebotomy, a modifiable pro- tion in the mean diagnostic blood loss across hospitals (mod- cess of care, contributes to HAA is unknown. erate to severe HAA: range, 119.1-246.0 mL; mild HAA or no HAA: 53.0-110.1 mL). For every 50 mL of blood drawn, the risk of moderate to severe HAA increased by 18% (rela- Methods: We studied 17 676 patients with AMI from tiverisk[RR],1.18;95%confidenceinterval[CI],1.13-1.22), 57 US hospitals included in a contemporary AMI data- which was only modestly attenuated after multivariable ad- base from January 1, 2000, through December 31, 2008, justment (RR, 1.15; 95% CI, 1.12-1.18). who were not anemic at admission but developed mod- erate to severe HAA (in which the hemoglobin level de- Conclusions: Blood loss from greater use of phle- Ͻ clined from normal to 11 g/dL), a degree of HAA that botomy is independently associated with the develop- has been shown to be prognostically important.
    [Show full text]
  • Preparing for Vascular Access Surgery
    Form: D-5134 Preparing for Vascular Access Surgery Information for patients and families Read this booklet to learn: • why you need vascular access for hemodialysis • what an AV graft and an AV fistula is • what to expect with this procedure • who to call if you have any questions Check in at: Toronto General Hospital Surgical Admission Unit (SAU), Peter Munk Building – 2nd Floor Date and time of my surgery: Date: Time: *Remember: You need to arrive at the hospital 2 hours before surgery Why do I need vascular access surgery? If you need hemodialysis, you need a vein that is easy to find and use. Vascular access surgery makes an access site for the hemodialysis. This is called an arteriovenous (AV) access. An AV access connects your artery directly to your vein. If this is not possible, a soft plastic tube will be used to connect your artery and vein. How does my AV access work during hemodialysis? Before hemodialysis (or dialysis), your nurse will put 2 needles into your AV access. One needle takes the blood from your body to the artificial kidney (dialyzer). This cleans your blood. The second needle returns the clean blood back to you. Only a small amount of blood (about 1 cup) is removed from your body at one time. At the end, your nurse removes both needles and puts bandages where the needles were put in. You can take the bandages off the next day. 2 Your AV access will usually be in your forearm or upper arm. There are 2 types of AV access your surgeon could give you.
    [Show full text]
  • Uremic Toxins and Blood Purification: a Review of Current Evidence and Future Perspectives
    toxins Review Uremic Toxins and Blood Purification: A Review of Current Evidence and Future Perspectives Stefania Magnani * and Mauro Atti Aferetica S.r.l, Via Spartaco 10, 40138 Bologna (BO), Italy; [email protected] * Correspondence: [email protected]; Tel.: +39-0535-640261 Abstract: Accumulation of uremic toxins represents one of the major contributors to the rapid progression of chronic kidney disease (CKD), especially in patients with end-stage renal disease that are undergoing dialysis treatment. In particular, protein-bound uremic toxins (PBUTs) seem to have an important key pathophysiologic role in CKD, inducing various cardiovascular complications. The removal of uremic toxins from the blood with dialytic techniques represents a proved approach to limit the CKD-related complications. However, conventional dialysis mainly focuses on the removal of water-soluble compounds of low and middle molecular weight, whereas PBTUs are strongly protein-bound, thus not efficiently eliminated. Therefore, over the years, dialysis techniques have been adapted by improving membranes structures or using combined strategies to maximize PBTUs removal and eventually prevent CKD-related complications. Recent findings showed that adsorption-based extracorporeal techniques, in addition to conventional dialysis treatment, may effectively adsorb a significant amount of PBTUs during the course of the sessions. This review is focused on the analysis of the current state of the art for blood purification strategies in order to highlight their potentialities and limits and identify the most feasible solution to improve toxins removal effectiveness, exploring possible future strategies and applications, such as the study of a synergic approach by reducing PBTUs production and increasing their blood clearance.
    [Show full text]
  • Guidelines for Nurses
    Guidelines for Nurses 17 Gauge third lumen indicated for intravenous therapy, power injection Enhanced Acute Dialysis Care of contrast media, and central The Power-Trialysis* Short-Term Dialysis Catheter, with venous pressure monitoring a third internal lumen for intravenous therapy, power CHECK FOR PATENCY injection of contrast media, and central venous pressure PRIOR TO POWER INJECTIONS monitoring, is indicated for use in attaining short-term (less than 30 days) vascular access for hemodialysis, hemoperfusion, WARNING: Power injector machine pressure limit- Aspirate for adequate blood and apheresis treatments. The catheter is intended to be ing feature may not prevent over-pressurization of return and rigorously ush the an occluded catheter, which may lead to catheter inserted in the jugular, femoral, or subclavian vein as required. catheter with at least 10 ml of The maximum recommended infusion rate is 5 ml/sec for power failure. 9. Disconnect the power injection device. sterile normal saline. injection of contrast media. 10. Flush the catheter with 10 ml of sterile normal saline, using a 10 ml or larger syringe. In addition, WARNING: Failure to ensure patency of catheter prior to power injection studies lock the lumen marked “Power Injectable” per may result in catheter failure. What’s di erent about the Power-Trialysis* institution protocol for central lines. Usually one ml catheter? is adequate. 11. Close clamp and replace end capcap/needleless The Power-Trialysis* catheter is the rst dialysis catheter with a connector on the catheter. third lumen indicated for power injection of contrast media during Flushing and locking procedure for non-dialysis third lumen CECT scans.
    [Show full text]