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DISCLAIMER
SECTION I: USE OF THE CLINICAL PRACTICE GUIDELINE
This Clinical Practice Guideline document is based upon the best information available
as of December 2011. It is designed to provide information and assist decisionmaking. It is not
intended to define a standard of care, and should not be construed as one, nor should it be
interpreted as prescribing an exclusive course of management. Variations in practice will
inevitably and appropriately occur when clinicians take into account the needs of individual
patients, available resources, and limitations unique to an institution or type of practice. Every
health-care professional making use of these recommendations is responsible for evaluating the
appropriateness of applying them in the setting of any particular clinical situation. The
recommendations for research contained within this document are general and do not imply a
specific protocol.
SECTION II: DISCLOSURE
Kidney Disease Outcomes Quality Initiative™ (KDOQI) makes every effort to avoid
any actual or reasonably perceived conflicts of interest that may arise as a result of an outside
relationship or a personal, professional, or business interest of a member of the Work Group.
All members of the Work Group are required to complete, sign, and submit a disclosure and
attestation form showing all such relationships that might be perceived or actual conflicts of
interest. This document is updated annually and information is adjusted accordingly. All
reported information will be printed in the final publication and are on file at the National
Kidney Foundation (NKF).
NOTE:
Please do not quote or reproduce any part of this document.
iii
TABLE OF CONTENTS
Disclaimer…………………………………………………………………………………………………………. ii
Work Group Membership…………………………………………………………………………………………. iv
Reference Keys……………………………………………………………………………………………………. vii
Nomenclature and Description for Rating Guideline Recommendations………………………………………… viii
Abbreviations and Acronyms……………………………………………………………………………………... ix
Executive Summary ………………………………………………………………………………....................... xi
Guideline Statements ……...................................................................................................................................... xv
Guideline 2: Management of Hypergylcemia and General Diabetes Care in CKD………………………………. 1
Guideline 4: Management of Dyslipidemia in Diabetes and CKD……………………………………………….. 8
Guideline 6: Management of Albuminuria in Normotensive Patients with Diabetes.……………………………. 13
Research Recommendations………………………………………………………………………………………. 17
Work Group Biographic and Disclosure Information…………………………………………………………….. 21
References…………………………………………………………………………………………………………. 26
iv
WORK GROUP MEMBERSHIP
Work Group Co-Chairs
Robert G. Nelson, MD, PhD
National Institutes of Health
Phoenix, AZ
Katherine R. Tuttle, MD, FASN, FACP
Providence Medical Research Center
University of Washington School of Medicine
Spokane, WA
Work Group
Rudy Bilous, MD
The James Cook University Hospital
Martin Road
Middlesbrough, UK
J. Michael Gonzalez-Campoy, MD, PhD, FACE
Minnesota Center for Obesity, Metabolism and
Endocrinology, PA (MNCOME)
Eagan, MN
Michael Mauer, MD
University of Minnesota Medical School
Minneapolis, MN
Mark Molitch, MD
Northwestern University
Chicago, IL
Kumar Sharma , MD
David Geffen School of Medicine at UCLA
La Jolla, CA
Liasion Members
Judy Fradkin, MD
National Institutes of Health
Bethesda, MD
Andrew Narva, MD
National Institutes of Health
Bethesda, MD
v
KDOQI Evidence Review Team
University of Minnesota Department of Medicine
Minneapolis VA Center for Chronic Disease Outcomes Research. Minneapolis, MA, USA:
Timothy Wilt, MD, MPH, Professor of Medicine and Project Director
Areef Ishani, MD MS, Chief, Section of Nephrology, Associate Professor of Medicine
Yelena Slinin, MD, MS, Assistant Professor of Medicine
Patrick M. Fitzgerald, Project Coordinator
Maureen Carlyle, MPH, PIVOT Coordinator
NKF-KDOQI™ Guideline Development Staff
Kerry Willis, PhD, Senior Vice-President for Scientific Activities
Emily Howell, MA, Commununications Director
Michael Cheung, MA, Guideline Development Director
Sean Slifer, BA, Guideline Development Manager
vi
KDOQI™ LEADERSHIP
Michael Rocco, MD
KDOQI™ Chair
Jeffrey Berns, MD
Vice Chair, Guidelines and Commentary
Joseph Nally, MD
Vice Chair, Public Policy
Holly Kramer, MD
Vice Chair, Research
Michael J. Choi, MD
Vice Chair, Education
vii
REFERENCE KEYS
CURRENT CKD NOMENCLATURE USED BY KDOQI
CKD Categories Definition
CKD CKD of any stage (1–5), with or without a kidney transplant, including both non–dialysis
dependent CKD (CKD 1–5ND) and dialysis-dependent CKD (CKD 5D)
CKD ND Non–dialysis-dependent CKD of any stage (1–5), with or without a kidney transplant (i.e.,
CKD excluding CKD 5D)
CKD T Non–dialysis-dependent CKD of any stage (1–5) with a kidney transplant
Specific CKD Stages
CKD 1, 2, 3, 4 Specific stages of CKD, CKD ND, or CKD T
CKD 3-4, etc. Range of specific stages (e.g., both CKD 3 and CKD 4)
CKD 5D Dialysis-dependent CKD 5
CKD 5HD Hemodialysis-dependent CKD 5
CKD 5PD Peritoneal dialysis–dependent CKD 5
viii
NOMENCLATURE AND DESCRIPTION FOR RATING GUIDELINE
RECOMMENDATIONS
Within each recommendation, the strength of recommendation is indicated as Level 1, Level 2,
or Not Graded, and the quality of the supporting evidence is shown as A, B, C, or D.
Grade Implications Patients Clinicians Policy
Level 1
“We recommend”
Most people in your
situation would want
the recommended
course of action and
only a small proportion
would not.
Most patients should
receive the
recommended course
of action.
The recommendation can
be evaluated as a
candidate for developing a
policy or a performance
measure.
Level 2
“We suggest”
The majority of people
in your situation would
want the
recommended course
of action, but many
would not.
Different choices will
be appropriate for
different patients.
Each patient needs
help to arrive at a
management decision
consistent with her or
his values and
preferences.
The recommendation is
likely to require a
substantial debate and
involvement of
stakeholders before policy
can be determined.
* The additional category “Not Graded” was used, typically, to provide guidance based on common sense or
where the topic does not allow adequate application of evidence. The most common examples include
recommendations regarding monitoring intervals, counseling, and referral to other clinical specialists. The
ungraded recommendations are generally written as simple declarative statements, but are not meant to be
interpreted as being stronger recommendations than Level 1 or 2 recommendations.
Grade Quality of evidence Meaning
A High We are confident that the true effect lies close to that of the estimate of the effect.
B Moderate The true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
C Low The true effect may be substantially different from the estimate of the effect.
D Very low The estimate of effect is very uncertain, and often will be far from the truth.
ix
ABBREVIATIONS AND ACRONYMS
4D Deutsche Diabetes Dialyse Studie
4S Scandinavian Simvastatin Survival Study
ACCORD Action to Control Cardiovascular Risk in Diabetes
ACE Angiotensin-converting enzyme
ADA American Diabetes Association
AdDIT Adolescent type 1 diabetes mellitus cardio-renal Intervention Trial
ADVANCE Action in Diabetes and Vascular Disease: Preterax and Diamicron Modified Release Controlled Evaluation
ALERT Assessment of Lescol in Renal Transplant trial
ALTITUDE Aliskiren Trial in Type 2 Diabetes Using Cardio-Renal Endpoints
ARB Angiotensin receptor blocker
AURORA A study to evaluate the use of Rosuvastatin in subjects on regular hemodialysis: an assessment of survival
and cardiovascular events
AVOID Aliskiren in the Evaluation of Proteinuria in Diabetes
BP Blood pressure
CARDS Collaborative Atorvastatin Diabetes Study
CARE Cholesterol and Recurrent Events
CI Confidence interval
CKD Chronic kidney disease
CVD Cardiovascular disease
DAIS Diabetes Atherosclerosis Intervention Study
DCCT The Diabetes Control and Complications Trial
DKD Diabetic kidney disease
DM Diabetes mellitus
DPP-4 Dipeptidyl peptidase-4
EDIC Epidemiology of Diabetes Interventions and Complications
eGFR Estimated glomerular filtration rate
ESKD End-stage kidney disease
FDA Food and Drug Administration
FIELD Fenofibrate Intervention and Event Lowering in Diabetes
GBM Glomerular basement membrane
GFR Glomerular filtration rate
GLP-1 Glucagon-like-peptide-1
GlycoHb Glycohemoglobin
HbA1c Hemoglobin A1c
HDL-C High-density lipoprotein cholesterol
HOPE Heart Outcomes Prevention Evaluation
HPS Heart Protection Study
HR Hazard ratio
JNC Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure
KDIGO Kidney Disease: Improving Global Outcomes
KDOQI™ Kidney Disease Outcomes Quality Initiative™
KQ Key question
LDL-C Low-density lipoprotein cholesterol
LIPID Long-term Intervention with Pravastatin in Ischemic Disease
LPD Lower-protein diet
LVH Left ventricular hypertrophy
MICROHOPE Microalbuminuria, Cardiovascular, and Renal Outcomes in Heart Outcomes Prevention Evaluation
NHANES III Third National Health and Nutrition Examination Survey
NIH National Institutes of Health
NKF National Kidney Foundation
NPH Neutral Protamine Hagedorn
RAS Renin-angiotensin system
RR Relative risk
SCr Serum creatinine
x
SHARP Study of Heart and Renal Protection
TBM Tubular basement membrane
TNT Treating to New Targets
UKPDS UK Prospective Diabetes Study
USRDS United States Renal Data System
VADT Veternans Affairs Diabetes Trial
VA-HIT Veterans’ Affairs High-Density Lipoprotein Intervention Trial
vs Versus
WOSCOPS West of Scotland Coronary Prevention Study
xi
EXECUTIVE SUMMARY
INTRODUCTION
Chronic kidney disease (CKD) is a worldwide public health problem that affects millions of
people from all racial and ethnic groups. Diabetes is the leading cause of CKD, and the rapidly
increasing prevalence of diabetes worldwide virtually assures that the proportion of CKD attributable to
diabetes will continue to rise. Indeed, a recent report from the National Health and Nutrition Education
Survey (NHANES) found that prevalence of diabetic kidney disease (DKD) increased steadily from
1988 through 2008, and the latest United States Renal Data System (USRDS) report indicates a ~30%
increase in incidence of end stage kidney disease (ESKD) in persons with diabetes in the USA between
1992 and 2008 (1, 2).
In 1997, as part of an effort to address the growing problem of CKD, the National Kidney
Foundation (NKF) established the Kidney Disease Outcomes Quality Initiative (KDOQI™) to develop
clinical practice guidelines for the management of all stages of CKD (3). By 2007, with the publication
of the KDOQI™ Clinical Practice Guidelines and Clinical Practice Recommendations for Diabetes and
Chronic Kidney Disease (4), the KDOQI™ reached its primary goal of producing evidence-based
guidelines on the aspects of CKD most likely to improve care for patients (5). To ensure that
practitioners and patients benefit from the latest knowledge, an essential part of KDOQI™ activities is
to provide regular updates of these guidelines.
Since publication of the diabetes guidelines in 2007, several large well-designed clinical trials
have addressed management issues relevant to patients with diabetes and CKD. Findings from these
trials suggest that the existing guideline recommendations for the management of hyperglycemia,
hypertension, hyperlipidemia, and albuminuria may no longer accurately reflect current medical
knowledge. To properly incorporate the new findings from these clinical trials and other recent studies
into a guideline update, a systematic review of the new evidence was warranted to formally determine
their applicability and methodologic quality.
This report describes updates of guidelines for the management of hyperglycemia,
hyperlipidemia and albuminuria in patients with diabetes and kidney disease as a result of this
systematic review. An update of the guideline for management of blood pressure is presently underway
by Kidney Disease: Improving Global Outcomes (KDIGO), a sister organization managed by the NKF,
but organized as an independent not-for-profit foundation governed by its own international board of
directors. KDIGO was established to improve international cooperation in the development,
dissemination, and implementation of clinical practice guidelines (6). KDOQI™ and KDIGO work in
concert to expand the scope of guidelines relevant to the care of patients with CKD and improve the
care of these patients worldwide (5).
METHODS
The guideline update effort was a voluntary and multidisciplinary undertaking that included
input from NKF scientific staff, an evidence review team from the Minneapolis Veterans
Administration Center for Chronic Disease Outcomes Research, and a Work Group of experts in
relevant disciplines. The approach to the systematic literature review and the comprehensive findings
prepared for this update was reported in detail elsewhere (7). Briefly, MEDLINE was searched to
identify randomized controlled trials published between January 2003 and October 2010 that related to
xii
albuminuria, glycemic and lipid management in patients with diabetes. All titles and abstracts were
assessed for their appropriateness to address key questions that were developed by the multidisciplinary
team and outlined in Figure 1. Study reference lists, reviews, and meta-analyses were evaluated and
references to other clinical trials were elicited from members of the Work Group. Data from each study
that pertained to study quality, trial characteristics, population characteristics, efficacy outcomes,
withdrawals, and adverse events were extracted. Evidence tables were created to address the key
questions. Study quality was rated as good, fair or poor according to criteria suggested by the Cochrane
Collaboration, and included adequate allocation concealment, method of blinding, use of the intention-
to-treat principle for data analysis, reporting of dropouts, and reasons for attrition.
KQ 1: In patients with diabetes (type 1 or 2), with or without CKD, does intensive
glycemic control (as defined by lower target glycosylated hemoglobin)
improve health outcomes compared to controls?
KQ 2: What harms result from more intense glycemic control in individuals with
diabetes (type 1 or 2)?
KQ 3: In patients with diabetes (type 1 or 2) and chronic kidney disease, what
evidence is there for specific lipid management targets (defined as goals for
total cholesterol, LDL, HDL, triglycerides) that improve health outcomes?
KQ 4: Is there evidence for specific lipid altering agent use for patients with
diabetes (type 1 or 2) and chronic kidney disease?
KQ 5: What harms result from more intense lipid management or use of specific
lipid altering agents in individuals with diabetes (type 1 or 2) and CKD?
KQ 6: What interventions prevent incident albuminuria and/or progression of
albuminuria in patients with diabetes mellitus in whom further reduction in
blood pressure is not the specific treatment objective?
KQ 7: Is albuminuria a valid surrogate for health outcomes in diabetes?
Figure 1. Key questions (KQ) to be addressed by the evidence review.
In formulating the guideline statements, separate Recommendation level (1 or 2) grades were
assigned for each specific recommendation based on the overall quality of the evidence for a particular
intervention and outcome (Tables 1 and 2) (8). The overall quality and strength of evidence was
assessed using methodology developed by the Agency for Healthcare Research and Quality and the
Effective Health Care Program. Quality of evidence ratings included four categories: 1) high
confidence, which indicated that further research was unlikely to change the confidence in the estimate
of effect; 2) moderate confidence, which indicated that further research may change the confidence in
the estimate of effect; 3) low confidence, which indicated that further research would likely have an
important impact on the confidence in the estimate of effect; and 4) insufficient, which indicated that
the evidence was unavailable or did not permit a conclusion. The strength of guideline
recommendations was determined by a four-tiered letter grade: A) high-quality evidence that the
practice improves health outcomes; B) moderate-quality evidence; C) low-quality evidence; and D)
very low quality evidence (8).
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xiii
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xiv
if the strength of the recommendation was weak (8). This change was made to reflect the uncertainties
inherent to all research findings and the need to adjust any recommendations to the needs of the
individual patient.
GUIDELINE STATEMENTS
The customary practice of the NKF when the original diabetes guideline was published was to
divide the statements into clinical practice guidelines and clinical practice recommendations. The
guideline statements were based on a consensus with the Work Group that the strength of the evidence
was sufficient to make definitive statements about appropriate clinical practice. When the strength of
the evidence was not sufficient to make such statements, the Work Group offered recommendations
based on the best available evidence and expert opinion. The original document contained five clinical
practice
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