Hemodialysis.com | Metabolic Abnormalities -CV Risks -GFR Decline in Children with CKD
Author Interview: Susan Furth, MD, PhD
Chief, Division of Nephrology
The Children's Hospital of Philadelphia
34th Street and Civic Center Boulevard
Philadelphia, PA 19104-4399
Publication: Author Interview: Susan Furth, MD, PhD
Metabolic Abnormalities, Cardiovascular Disease Risk Factors, and GFR Decline in Children with Chronic Kidney Disease.
Furth SL, Abraham AG, Jerry-Fluker J, Schwartz GJ, Benfield M, Kaskel F, Wong C, Mak RH, Moxey-Mims M, Warady BA
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;
Clin J Am Soc Nephrol. 2011 Aug 12
What are the main findings of the study?
Ours is the first large, North American study of children with moderate Chronic Kidney Disease. We show that significant growth failure and pubertal delay are common even in individuals with mild to moderate decrements of kidney function. Additionally, the constellation of cardiovascular disease risk factors seen in these children with primary kidney disease is remarkable, and suggests that decreased kidney function is a causal factor in the excessive cardiovascular disease mortality in individuals with kidney disease.
Ours is the first to report rates of kidney function decline using a precise measurement of kidney function, and shows remarkable differences in the rates of GFR decline depending on the cause of kidney disease in these children.
Were any of the findings unexpected?
Our study shows potential treatment targets that might slow down the worsening of kidney function over time in children. It is also the first study to report rates of measured GFR decline in children.
Our findings suggest a potential explanation for why a high proportion of young people with kidney disease present for medical care late, when they are close to needing dialysis. Our findings show much more rapid decline in kidney function in a subgroup of children with underlying glomerular disease, which predominantly occurs in African Americans.
What should clinicians and patients take away from this study?
We were hoping to identify risk factors for CKD progression and see if these can be targeted to slow the decline of kidney function and prevent its complications.
Our findings suggest that more aggressive interventions to improve daytime and nighttime blood pressure control, lowering phosphate intake or lowering phosphate levels with medicines, treating acidosis and dyslipidemia, may all be areas where interventions could slow CKD progression and decrease the prevalence of CVD in children and young adults with CKD.
The next step will be to design clinical trials of these interventions based on our findings.
Abstract:
Summary Background and objectives Metabolic abnormalities and cardiovascular disease (CVD) risk factors have rarely been systematically assessed in children with chronic kidney disease (CKD). We examined the prevalence of various CKD sequelae across the GFR spectrum.
Design, setting, participants, & measurements Data were used from 586 children participating in the Chronic Kidney Disease in Children (CKiD) study (United States and Canada) with GFR measured by iohexol plasma disappearance.
Laboratory values and CVD risk factors were compared across GFR categories and with an age-, gender-, and race-matched community sample. Results CKiD participants were 62% male, 66% Caucasian, 23% African American, and 15% Hispanic with a median age of 11 years and a median GFR of 44 ml/min per 1.73 m(2). Compared with those with a GFR ≥ 50 ml/min per 1.73 m(2), having a GFR < 30 ml/min per 1.73 m(2) was associated with a three-fold higher risk of acidosis and growth failure and a four- to five-fold higher risk of anemia and elevated potassium and phosphate. Median GFR change was -4.3 ml/min per 1.73 m(2) and -1.5 ml/min per 1.73 m(2) per year in children with glomerular and nonglomerular diagnoses, respectively.
Despite medication and access to nephrology care, uncontrolled systolic hypertension was present in 14%, and 16% had left ventricular hypertrophy. Children with CKD frequently were also shorter and had lower birth weight, on average, compared with norms.
Conclusions Growth failure, metabolic abnormalities, and CVD risk factors are present at GFR >50 ml/min per 1.73 m(2) in children with CKD and, despite therapy, increase in prevalence two- to four-fold with decreasing GFR.
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
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.
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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Editor: Marie Benz, MD
President: Robert L. Benz, MD FACP
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