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Author Interview: Drs. Javier E. Anaya Ayala, MD. and Eric K. Peden, MD.
Methodist DeBakey Heart & Vascular Center Houston, Texas
Surgical management of hemodialysis-related central venous occlusive disease: a treatment algorithm.
Annals of Vascular Surgery 2011 Jan;25(1):108-19.
Anaya-Ayala JE, Bellows PH, Ismail N, Cheema ZF, Naoum JJ, Bismuth J, Lumsden AB, Reardon MJ, Davies MG, Peden EK.
Department of Cardiovascular Surgery, Methodist DeBakey Heart & Vascular Center, The Methodist Hospital, Houston, TX 77030, USA.
What are the main findings of the study?
Creation and preservation of dialysis access in patients with Central Venous Occlusive Disease (CVOD) remains a significant challenge. The surgical approach and decision-making process remains poorly defined.
Our surgical planning centered on finding venous outflow for an AV access. Several options are presented in this study including central venous reconstructions, extracavitary venous bypasses and non-venous access as axillary arterial-arterial chest wall bypass graft and brachial artery to right atrium bypass graft. Technical success was achieved in all cases. One death occurred from multiorgan failure during the 30 day-postoperative period. Four additional patients died within 3 years of the procedure secondary to nonsurgical-related comorbidities.
We concluded that the need for complex vascular accesses will continue as the number of end stage renal disease (ESRD) patients increases. With this article we proposed an algorithm for surgical decision making in this group of complex patients
Were any of the findings unexpected?
There is a learning curve and evolution in our approach and surgical technique during the study period. For instance in intrathoracic reconstruction of the central veins, the procedures were planned to reconstruct the shortest length of vein possible. Initially, we used an 8 or 10 mm supported PTFE, but complications with thrombosis led us to choose 12 mm supported PTFE as our preferred conduit. Problems with bypass failure and need for re-interventions, such as stenting the anastomotic areas of these bypasses led to changes in the preferred reconstruction. The innominate vein and SVC, although patent, were commonly diseased with and contributed to decreased graft patency. The surgical procedure evolved during the study period to an axillary vein to right atrial bypass. This allows avoidance of sternotomy, has less bleeding, and the axillary vein provides a good inflow source.
What should clinicians and patients take away from this study?
Endovascular techniques still remain the first line of therapy to recanalize an occluded vein segment but should it fail, surgical options exist. With careful planning and execution, this procedure can get patient off from catheter based dialysis and provide relief from venous hypertension associated to CVOD.
What recommendations do you have for nephrology health care providers as a result of your study?
To continue efforts to decrease the use of tunneled dialysis catheter. Be aware of surgical alternatives to PTA/stenting for the treatment of CVOD.
--Thank you Drs. Javier E. Anaya Ayala, MD. and Eric K. Peden, MD. !
Abstract
BACKGROUND: Creation and preservation of dialysis access in patients with central venous occlusive disease (CVOD) is a complex problem. The surgical approach and decision-making process remains poorly defined. We evaluated our experience in the surgical management of hemodialysis-related CVOD. Surgical technique, demographics, complications, reinterventions, access function rates, and factors influencing morbidity and mortality were examined.
METHODS: From January 2006 to May 2010, we performed a total of 1,703 dialysis access-related procedures, 1,021 arteriovenous fistulas (AVFs), 335 arteriovenous grafts (AVGs), and 314 access revisions including endovascular salvage procedures. Seventeen patients (10 women [58%] with a mean age of 44 ± 27 years) with CVOD who were not suitable for peritoneal dialysis or kidney transplant underwent 20 complex vascular access procedures. The indications were need for access creation in 14 cases (70%) and preservation in the remaining 6 (30%). Polytetrafluoroethylene (PTFE) was used for all surgical bypass grafts (BPG). All patients had previously undergone multiple access surgeries and had failed percutaneous interventions for CVOD.
RESULTS: The surgical planning centered on finding venous outflow for an arteriovenous (AV) access; central venous reconstructions were necessary in 10 (50%) cases (seven [35%] in the thoracic central venous system and three [15%] in infradiaphragmatic vessels) and extracavitary venous BPG in two (10%) cases. Non-venous access options included axillary arterial-arterial chest wall BPG in five (25%) cases and brachial artery to right atrium BPG in three (15%). Technical success was achieved in all cases (100%). Mean follow-up was 14.1 months, both BPG and AV access patency rates were 66% at 6 months and overall average AV access function time was 9.2 months. Of these, 85% of patients were discharged home and following 19 (95%) cases they returned or improved their baseline functional status. One death occurred from multiorgan failure during the 30-day postoperative period. Four additional patients died within 3 years of the procedure secondary to nonsurgical-related comorbidities.
CONCLUSION: The need for complex vascular accesses will continue as the number of patients with end-stage renal disease increases. CVOD is an access surgical challenge and with this article we propose a decision-making algorithm.
Author Interviews: hemodialysis
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Home Dialysis Summit Recommends Policy Changes to Increase Home Dialysis Usage
WASHINGTON, April 25, 2012 /PRNewswire -- On the heels of the first National Summit on Home Dialysis Policy, Summit organizers released a report reflecting the views of the delegates -- leaders in the kidney disease patient, clinician, facility and industry communities -- on federal policy steps to improve utilization of home dialysis for patients who can benefit from this often advantageous form of treatment. Many of the organizers also announced they have formed a new alliance, called the Alliance for Home Dialysis, to advance the recommendations identified at the Summit.
The Summit's "Report of the Delegates" highlights key findings from a March 29th meeting in Washington, DC where experts probed why, despite widely accepted and well-documented benefits of home dialysis -- improved outcomes, enhanced patient satisfaction, improved quality of life, and lower costs-- fewer than ten percent of the more than 390,000 current U.S. dialysis patients receive treatment at home. Current rates of home dialysis utilization reflect a steep decline from the 1970s, when almost 40% of U.S. dialysis patients were treated in-home.
Specifically, delegates found that policymakers should work with stakeholders in the dialysis community to confront three areas:
Accessibility: Patients and clinicians face array of hurdles in education, training, and infrastructure that hinder equalized access to home dialysis.
Accountability: Utilization of home dialysis can be improved through measures within government programs that are designed to recognize and support excellence in the delivery of home dialysis services.
Aligning Incentives: Reimbursement policies, regulation of new technologies and other policy incentives can be realigned to better support federal policy goals of expanding access to home dialysis.
The Report includes 15 recommendations to serve these goals, including that federal policymakers should:
Maintain parity for home and in-center dialysis in Medicare reimbursement;
Support home dialysis mentoring programs, particularly those that use existing patients as mentors; and
Align federal and state regulatory requirements for home therapies, such as revising the Centers for Medicare and Medicaid Services Conditions for Coverage requirements, to reflect differences in home and in-center dialysis.
Summit supporters will begin work through the new Alliance to dialogue with federal policymakers and advance policy improvements in the three consensus areas that emerged at the Summit.
SOURCE National Summit on Home Dialysis Policy
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National Kidney Foundation's Top 10 Things Every Dialysis Patient Should Know.
- You have treatment choices. Options exist for how, where and when you dialyze. Dialysis can be done in a hospital, in a dialysis unit that is not part of a hospital, or at home. You and your doctor will decide which place is best, based on your medical condition and your wishes. There are different types of dialysis - peritoneal and hemodialysis. Work with your health care team to determine a treatment plan that makes you feel comfortable. Recent studies show that the majority of patients beginning in-center hemodialysis (HD) know very little, if anything, about the option to dialyze at home. Once informed, 40% or more of patients are interested in this treatment option, and yet less than 10% actually begin home dialysis. If you're dissatisfied with the type of dialysis treatment that you're receiving, ask your healthcare team if another type of dialysis treatment would be better.
- You can compare in-center dialysis facilities online. Information on over 5,600 US-based dialysis centers is available online through the Medicare website. To help you make choices about your care, you can compare different facilities side-by-side and evaluate each facility based upon clinic characteristics and quality measures. You can search for dialysis facilities by name or geographic proximity. After completing an initial facility comparison to determine which facilities best meet your needs - such as the number of hemodialysis stations at a particular location and whether there are evening shifts available - visit the facilities that you're most interested in. Talk to the staff and other patients, as well as your doctor to ensure that this dialysis facility is a good fit for you.
- There are ways to prepare ahead for an emergency. Ask your dialysis facility about their emergency plan in case of a snow storm, fire, power outage or other natural disaster. As back up, make sure you have the names, locations and phone numbers of other dialysis units and hospitals in your area. Since regular community transportation services may not be working in an emergency, be prepared to make other arrangements for getting to dialysis. You may need to contact the police and Emergency Medical Services (EMS) for assistance. If you dialyze at home, make sure you have at least two weeks' worth of unexpired supplies on hand. If you have to miss a dialysis treatment, begin your emergency meal plan.
- There is an easy way to transfer patient records between clinics. There is an easy, secure way for your health care team to transfer your treatment records online. In 2009, the Centers for Medicare and Medicaid Services (CMS) created a centralized web-based data collection system called CROWNWeb to help reduce and eliminate patient treatment interruptions. This central system helps to streamline patient care regardless of the reason for changing dialysis centers. For example, if you've been admitted to the hospital, or if you needed to relocate during an emergency evacuation, your doctors and health care team can access up-to-date information about your dialysis so that you continue to receive appropriate care no matter where you are.
- You can travel while on dialysis.
Dialysis centers are located in every part of the United States and in many foreign countries. The treatment is standardized, but you need to plan ahead by making an appointment for dialysis at another center before you go. The staff at your center may help you make these appointments.
- You can be your own best advocate. Know what key questions to ask your doctor or other healthcare professionals. Take notes so that you can refer back to them later. Partner with your doctor and decide on a treatment plan together. Advocate for yourself and share how you're feeling.
- You have many rights. You as a patient have a great deal of control over your treatments. Patients have a bill of rights which includes receiving quality care, counseling about your medical information, and an expectation of privacy.
You also have responsibilities. Once you decide on a course of treatment, it's important to follow the recommendations of your health care team. If you decide to receive in-center dialysis, arrive at dialysis on time so that you can receive the full treatment without delays.
- You can receive insurance coverage. If you have end stage renal failure, you are likely eligible for Medicare insurance coverage. Speak with your health care team and social worker for help filling out insurance paperwork.
- You may need to follow a special diet. When your kidneys are not working properly, you may not be able to eat everything you like, and you may need to limit how much you drink. Your diet may vary according to the type of dialysis you receive. It is important to speak with a renal dietitian so that you are able to understand what you can and cannot eat based on your full health history.
- Dialysis patients can work. Many dialysis patients can go back to work or school after they have gotten used to dialysis. After establishing a dialysis routine, many patients have more energy and find that they are able to time to work around this new schedule. Some patients even find creative ways to work remotely from dialysis with the use of a laptop or cell phone, depending on their field of expertise.
More from National Kidney Foundation Press Releases
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New Book to Help Educate Patients with Chronic Kidney Disease who may be facing Dialysis or Hemodialysis: |
Help, I Need Dialysis!
How to have a good future with kidney disease
By Dori Schatell, MS and Dr. John Agar
An internationally known nephrologist and life-long kidney patient educator explain how dialysis works, each of the ways to do it, and how your treatment choice may affect your diet, energy level, work, travel, sexuality and fertility, sleep, and survival. Comprehensive and fully referenced, this book is a must-read if you face the life-changing choices that come with kidney failure. |
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