DIABETI I i O Improving O Th R l f th H The Role of the H C ESRD: O
Transcription
DIABETI I i O Improving O Th R l f th H The Role of the H C ESRD: O
DIABETIC ESRD: ESRD I Improving i OOutcomes t – Th Role The R l off th the HHemodialysis di l i Unit U it Mark E. Williams, MD, M FACP, FASN Associate Professor of Mediccine, Harvard Medical School Co-Director of Dialysis, Beth Israel Deaconess Medical Center Senior Staff Physician, Physician Joslin Diabetes Center Progress s Report Diabetes,, Dialysis Diabetes 1995 USRDS (2008) ¾ Incident Patients 27,364 ¾ Deaths 17,445 ¾ Cost per patient per year $55,249 $55 249 ¾ Hospital days per year 18.4 ¾ Annual mortality rate/1000 patient-years 275 ¾ AMR, AMR wait wait-listed listed for transplant 144 ¾ AMR, returned to dialysis 250 ¾ AMR, never wait-listed 306 ¾ Survival (1,2,3,5 years), per cent • 74 • 52 • 37 • 19 2005 43,317 33,420 $75 058 $75,058 17.4 251 121 224 274 79 63 49 28 USRDS 2008: Adjus sted ESRD incident rates of ESRD due to diabetes, by b race/ethnicity Figure hp.20 0 (Volume 2) illi illi lla lla Incident ESRD patients; adjusted for age & gender. For Hispanic patients we present data beginning in 1996, the first full year after the April 1995 introduction of the revised Medical Evidence form, which contains more specific questions on race & ethnicity. Growing Burden off Diabetic ESRD in the Elderly (Sloan Arch Int Med 2008; 168: 192) ¾35% increase in US ad dults >75 yrs with diabetes ¾194% increase in diab betic ESRD incidence rate in p patients >75 yyrs s USRDS 0 08 100 200 75 150 50 100 25 50 0 All 1 2 3 4 5 6 7 8 9 10 ESRD ne etwork 11 12 13 14 15 16 17 18 0 Green: R Rate Per Millio on, 2006 Blue: Perce ent change, 19 996 to 2006 Growth in Incident ES SRD Populations, by Primary Diagnosis & Network: Diabetes, 1996-2006 1996 2006 Treatment modalities for prevalent p patients with ESRD who received Medica are benefits benefits, according to diabetic status in n the year 2006 USRD DS 08 ESRD Diabete es Population ¾ Incident: 94% hemodialysis 6% peritoneal dialysis ¾ Prevalent: 94% hemodialysis h di l i 6% peritoneal dialysis Epidemic of o diabetes NEJM 2008 Burden of Diabetes in the Dialysis Unit ¾ Diabetes mellitus represents 37 7% of all prevalent cases of ESRD patients receiving dialyssis ¾ Incident 1995-1999 patients en ntering dialysis, one-year survival, Medical Evidence Form: 44% as a primary cause of renal failure ¾ Secondary or complicating condition: 6.4% ¾ Claims for service (diabetes tessting supplies, glucose control monitors hospitalizations): 10 monitors, 10.5 5 5% actually had DM not on Medical Evidence Form ¾ TOTAL = 60.9% USRDS 2008: Adjusted d ESRD incident rates, by primary diagn nosis & diabetes nosis, in the genera al population Figure hp.4 (Volume 2) Incident ESRD patients; rates adjusted for age, gender, & race. Data D on the prevalence of diabetes in the general population obtained from the CDC’s Behavioral Risk Factor Surveillance System, at www.cdc.gov/brfss. w Crude and Age-Adjusted Incidence of ESRD Related to Diabetes Mellitus (ESRD-DM) United States, 1980-2006 Prevalence of Diabetes in the General Population 500 Incideence (per 100,000 P Population) Med dian Percent of Po opulation 8 6 4 2 400 300 200 100 Crude Age-Adjusted 0 0 95 96 97 98 99 00 01 02 03 04 05 06 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 Year Norrmal Albuminuria Renoprotective e Effect of ARB in type 2 diabetic CKD ¾ Lewis NEJM 345: 861 ’01 Irbesartan vs. Placebo Risk reduction 20% Proteinuria declined by 33% ¾ Brenner NEJM 345: 861 ’01 Losartan vs. Placebo Risk reduction 16% Proteinuria declined 35% No cardiovascular benefit USRDS 08: prevalence e of RAS blockade use incre eased Diabetic CKD patients p receiving medical evaluattion & treatment, by age & ra ace/ethnicity Figure hp.22 (Volume 2) illi illi lla lla a evaluation: general Medicare patients diagnosed with CKD & di diabetes b t iin each h year, age 65 & older at the beginning of each year, alive & continuously enrolled in Medicare inpatient/outpatient & physician/supplier program through the whole year. Patients enrolled in an HMO or diagnosed with ESRD are excluded. Testing checked in each year. “All three tests” includes at least two HbA1c tests, at least one lipid test, & at least one diabetic eye examination Treatment: examination. Medicare Current Beneficiary Survey (MCBS) patients with CKD & diabetes, age 65 & older. ESRD patients excluded. • For Hispanic patients we present data beginning in 1996, the first full year after the introduction of the April, 1995, revision of the Medical Evidence form, which introduced more specific questions on race & ethnicity. OUTCO OMES USRDS Annua al Data Report 200 06: Ho it lizations Hospital li l tio ¾ Hospital admissions 26% high her for diabetic hemodialysis patients than nondiabetic ¾ Diabetic inpatient utilization higher for all causes (26%), cardiovascular (27%), infectio on (31%), and vascular access (13%) admissions USRD DS 08 DS Inpatient Utilization U USRDS S 2006 % Increase in Diabetic D Patients ¾ All causes: +25% 79% ¾ Endocrine/Metabolic: +17 ¾ Infectious Diseases: +30% % ¾ Circulatory Diseases: +26 6% ¾ Vascular/dialysis y Accesss: +10% Incident ESRD patients rec ceiving a transplant within three years, years by age, age gender, nder race/ethnicity, race/ethnicity & primary diagnosis d Figure hp.17 7 (Volume 2) illi illi lla lla Incident ESRD patients younger than 70; patients with a prior transplant are excluded. Percents estimated ti t d using i the th Kaplan-Meier methodology. For Hispanic patients we present data beginning in 1996, the first full year after the April 1995 introduction of the revised Medical Evidence form, which contains more specific questions on race & ethnicity. Diabetic Transplaant Recipients: Type of Diiabetes Type 1 51% Type 2 49% % Type 1 Type 2 Becker BN. Preemptive transplantation for patiennts with diabetes-related kidney disease. Arch Intern Med. 2006 Jan 9;166(1):44-8. Diabetic Transsplant p Recipients: p Type of Transplant Deceased d donor 49% Deceased D do onor KP 22% Deceased donor KP Living donor Deceased donor ving donor Liv 29% Becker BN. Preemptive transplantation for patiennts with diabetes-related kidney disease. Arch Intern Med. 2006 Jan 9;1666(1):44-8. Diabetic Transplan nt Recipients: Timing of Traansplant Preempttive 11% Preemptive ESRD ESRD 89% Becker BN. Preemptive transplantation for patients p with diabetes-related kidney disease. Arch Intern Med. 2006 Jan 9;166(1)):44-8. 45 40 35 30 25 20 15 10 5 0 19 83 19 86 19 89 19 92 19 95 19 98 20 01 Numberr DM Patiients 75+ Number of Diabetic, Ellderly kidney t transplant l t recipients, i i t , 1983-2003 1983 2003 Kidney transplant recipients Kidney Transplantation in the Elderly Elde l Diab betic Patient ¾ Growing number of elderly patients on kidney transplant waiting lists ¾ For F allll ages, % with ith di diabe betes t lower l th than % with ith di diabetes b t who are on dialysis ¾ More likely to be considered for expanded donor list ¾ Limited data suggest lowe er mortality if transplanted, compared p to elderly y diabe etic p patients on waiting g list Predictors of o mortality in Diabettic ESRD ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Age at initiation Not African American or Hispanic Nutritional status Dyslipidemia Cardiovascular complicationss Amputation Poor functional status ? Glycemic control ESRD Survival S First, second, fifth, and tenth yeear patient SURVIVAL estimates for DM and non DM paatients receiving dialysis Early ESRD Mo ortality Rates USRD DS 08 Diabetic ESRD D Mortality y SHOJI, T. et al. J Am Soc Nephrol 2001;12:2117-2124 Outcomes HD H vs. PD • PD survival advantage first two years except older female diabetic patients • No survival differences subbsequently q y • May be due to unmeasured baseline case mix differences or better residual renal r function • Other data suggest higher PD P mortality risk if overt cardiac disease at evaluation First, second, fifth, and 10th yearr unadjusted patient survival estimates for non DM and DM recipients of cadaveric renal TRANSPL LANTS Data collected during the years 19993, 1992, 1989, and 1984 Patient Cha aracteristics USRD DS 08 ESRD Diabetes D ¾ IIncident id t L Labs: b Creat 6.0 mg/dL vs 7.0m mg/dL Hematocrit 30.6% vs 30.6% Serum albumin 3.1 3 1 g/dL vs v 33.1 1 g/dL eGFR 11.2 vs 10.6 ml/min n ¾ Mean BMI 30.2 vs 28.5 ¾ Medicaid 28.6% vs 24.7% ¾ Independence: Walking disabilities 17 vs s 15% Assistance devices 32 vs 27% Unable to ambulate 11.6 vs v 9.8% Characteristics of Diabetic Hemodialysis Population P Fresenius Dataabase Type 1 DM study patients ( 5.5%) weree significantly different from Type 2 DM (94.5%) patients: younger age (49.3 vs. 64.5 years, p<0.0001), different racial distribution with 60.6% white racce vs. 52.6% (p<0.0001), longer dialysis vintage at 1,172 vs. 1,044 days (p (p<0.0016), 0.0016), slightly lower body surface area (1.82 vs. 1.86 m², p<0.0001), and differential distribution of dialysis vascular access (AV fistula 34.44% vs. 29.7%, p=0.003). Laboratory evaluation l ti indicated i di t d that th t Type T 1 DM paatients ti t had h d slightly li htl higher hi h serum phosphorus (5.89 vs 5.59 g/dL, p<0.00116), while eKt/V (1.4), hemoglobin (11.7g/L), albumin (3.8 g/dL), and serum m calcium (9.3 g/dL) were not different between the diabetic groups. ESRD Network of o New England: Prevalent Patien nts with Diabetes 200 08--9 08 ¾ 50% with diabetes codes (5,409 patients) alcium, Phosphorus, Kt/V ¾ Hemoglobin, Albumin, Ca similar to nondiabetic pattients ¾ Incident patients: 23% AVF; nondiabetic 20% 48% catheters; nondiabetic 600% Elderly: 47% catheters; nonddiabetic 62% Diabetic ESRD: ES SRD Characteristics Performance Measure Status in Diabetic Patients Vascular access Poorer Anemia management Worse earlier Serum albumin concentration Lower Parathyroid levels No different Diabetic ESRD Characteristics Problem Evalua ation Glycemic control Hemog globin A1c, home glucose monitoring Angina, myocardial infarction Visual impairment Exercis se tolerance test, P-thallium, echoca ardiogram catheterization ardiogram, Ophtha almology evaluation Foot ulcers Podiatrry evaluation Peripheral vascular disease, limb amputation Gastroparesis er flow studies Dopple N Neuropathic hi problems bl El Electro omyography, h neurologist l i Malnutrition Serum albumin, dietary counseling, PE Gastric c emptying study Consequences of Hyperglycemiia in Patients with Diabetes on Hemod dialysis • Thirst, excessive fluid intake, weiight gains between dialysis, hypertension • Pulmonary edema, increased weigght gains • Severe hyperkalemia yp • Diabetic ketoacidois • Shifts in serum osmolality • Anorexia, nausea, vomiting, weakkness • Increased I d risk i k off infection i f i • Gastroparesis • Malnutrition •Cardiovascular disease Why glycemic control is difficult to achieve in ESR RD: ¾ Variations in dietary intakke ¾ Inconsistent food absorpttion ¾ Effects of uremia ¾ Confounding effects of dialysis therapy ESRD Diabete es Treatment ¾ Reduced insulin requirem ments ¾ From insulin to oral hypog glycemic agents ¾ Reduced oral hypoglycem mic agents ¾ Off oral hypoglycemic age ents ¾ Off insulin Assessing Glycemic Control in Diabettic ESRD Blood Glucose ? Anemia A i ? EPO Few min Bl d Blood Glucose 1-2 wks Gl Glycated t d Albumin 2-3 wks 2 F ctosamine Fruc t i HyperH glycemia 6-8 wks HbA1 HbA1c Hemoglo obin A1c ¾ Center of clinical manageme ent of hyperglycemia ¾ Measure of risk for developm ment of diabetes complications ¾ Indicates whether strategy iss working and metabolic control has been maintained d within target range ¾ Used by QA programs to assess quality of diabetes care ¾ Routine testing improves glyycemia Hgb A1c in a Larg ge Dialysis Chain Q 4 2002 Averag e HG Ba1c Dis strib u tion b y Diab etic Categ ory 53.37% 60% A D ULT ONS E T D IA B E TE S (N=26,127, Mean=6.74%, S D =1.68%) 0.46% 0.94% 0.08% 0.53% 0.23% 0.59% 0.08% 0.18% 0.06% 0.15% 0.00% 0.09% 8.55% 2.02% 8 1.14% 2.61% 0.00% 0.71% 7 1.68% 3.94% % 0.27% 1.23% 6 13.40% 18.45% 11.29% 3.99% % 5 3.91% % 7.19% 0.57% 3.44% % 4 5.81% 10.14% 1.07% % 3.35% 3 11.02% 18.90% 10% 0% 3.36% % 1.87% 9.44% 20% 0% 19.22% 30% NON D IA B E TIC (N=2,629, Mean=5.25%, S D =1.04%) D IA B E TIC S TA TUS UNK NOW N (N=1,134, Mean=6.14%, S D =1.71%) 19.24% 19.88% % 40% 31.47% 23.08% % 19.63% 26.72% 34.39% JUV E NILE D IA B E TE S (N=2,032, Mean 7 48% S D =1.95%) Mean=7.48%, 1 95%) 0.03% 0.15% 0.04% 0.09% Percent of Patients 50% 9 10 11 12 13 14 15 P atient A verage HG B a1c a1c, R ounded to Nearest Integer (% ) Risk of Intensive Glucose G Lowering in ESRD Patients ¾ Hypocaloric diet: malnutrition n ¾ Exercise: cardiovascular eve ents, foot injuries, hypoglycemic episodes ¾ Metformin: lactic acidosis mia ¾ Chlorpropamide: hypoglycem ¾ Glyburide: y hypoglycemia yp g y ¾ Acarbose: contraindicated ¾ Insulin: hypoglycemia ¾ NOTE: ACCORD, ACCORD ADVANCE E studies 2008 INDIVIDUALIZE GLYCE MIC MANAGEMENT M CONSIDER AGE, LIFE EXPECT TANCY, COMORBIDITIES Glycemic Control and d Intradialytic Weight Gain in HD D Patients ¾ Ifdu Am J Kidney Dis 23:686 6, 1994 Glycemic y Control in Diabetic ESRD: Conventio onal Goals ¾ ¾ ¾ ¾ Special consideration Random blood glucose 100-180 Hemoglobin A1C <9% Good enough control to prote ection against metabolic disorders and infections ¾ Protection against infections ¾ Lower risk of hypoglycemia with w less intensive therapy ¾ Tzamaloukas, Int J Art Organs; 15:390, 1992 Glycemic Contro ol and Mortality Database Analysis, is Retrospective Glycosylated Hemoglobin and Cardiovascularr Disease in DM ¾ Meta-analysis of observationa al studies ¾ Type 1 (n=1688) and Type 2 (n=7435) patients ¾ Abstracted adjusted effect esttimates (odds ratios, ratios relative risks) to link CV risk and baseline or updated HbA1c levels ¾ Multiple cardiovascular diseasse endpoints ¾ For 1% increase in A1c, relatiive CV risk was 1.18 in type 2 and 1.15 for type 1 diabetes Selvin Ann Internal Med 141: 421 421, 2004 Cardiovascular Comorbidity C in Incident Dialy ysis Patients USRDS 2005 Annual Data Report, page 84 CV Morbidities Elderly Diabetic ESRD CAD risk factors Traditional Nontraditional DM CKD/ESRD hypertension hypertension hypercholesterolemia dyslipidemia h hypertriglyceridemia i l id i l f ventricular left i l hypertrophy h h vascular inflammation anemia endothelial dysfunction disordered mineral metabolism hyperglycemia impaired platelet aggregation hyperinsulinemia elevated inflammation factors impaired fibrinolysis elevated prothrombotic factors Type 2 diabetes patients classified according to CKD Diabetic Foo ot Syndrome Type 1 (left) and d Type 2 (right) ESRD patients p Wolf, G. et al. Nephrol. Dial. Transplant. 2009 24:18961901; doi:10.1093/ndt/gfn724 Copyright restrictions ma ay apply. Diabetic Foo ot Syndrome ¾ Directly related to HgbA1c ¾ As kidney function decreases, risk of diabetic foot syndrome increases ¾ If ESRD, diabetic foot complications double ¾ Risk of amputations p increased up to 10X that of general diabetic population ¾ Neuropathy + Ischemia + Infection ¾ Frequently occur with onset of renal replacement therapy Foot Examination ¾ Inspect Skin and Na ails ¾ Look for any bony a abnormalities ¾ Check Peripheral Pu ulses ¾ Inspect Capillary Re efill ¾ Palpate for edema ¾ Monofilament Sensa ation ¾ Vibratory Sensation ¾ Deep Tendon Reflex xes The Diab betic betic Foot Access p procedu ures in p prevalent hemodialysis h di l i patien i nts, by b diabetic di b i status Figure hp.1 13 (Volume 2) illi illi lla lla Period prevalent hemodialysis patients with or without simple fisttulas. Data from physician/supplier claims. Some patients may have more than one access at a given point in time. Economic c Costs of Diabeti i b ic ESRD ¾ Over O 80% off costs t for f diabe di betes t care is i ffor complications li ti ¾ Higher CKD costs: DM without CKD: $7,248 DM with i h CKD: C $26,036 $26 036 Cardiovascular disease Poorlyy controlled hyperglycemia yp g y a/hypoglycemia yp g y Sepsis Access failure ¾ In/Out ESRD Patient costs higher by 25% g inpatient p costs mainlyy account for the difference ¾ Higher ¾ More frequent hospitalizatio ons: Role of the Hemodialysis Unit ¾ Avoid glycemia-related hospiitalizations ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ • Hypoglycemia • Diabetes out of control Avoid CHF nfections Minimize foot and extremity in Increase access to transplanttation Identify de t y the t e team tea involved o ed in d diabetes abetes and a d ot other e aspects o of ca care e outside of dialysis Maximize quality indicators Reach KDOQI targets E l t benefits Evaluate b fit off th the expanded d d chronic h i care model d l r of the dialysis Confront limitations in future reimbursement procedure: Pursue case e-mix adjustment for diabetes Minimum Role R of the Dialysis Unit U Staff ¾ Know recommended glycemicc goals: • Before meals 90-130 mg/dL • After meals <180 mg/dL ¾ Know how to give supplemen ntal insulin on an individualized basis Role of the Staff: Recognize R and Treat Hypogly ycemia ¾ Negative g side of ledger g ¾ More common than generallyy thought ¾ Insulin, OHA, poor nutrition, deficient d gluconeogenesis, poor counterregulatory hormones ¾ Signs and symptoms of chan nges in mental status or neurologic condition ¾ Hypoglycemia may occur posst-dialysis ¾ Can result in serious morbidity or mortality ¾ Major limitation in achieving ttight glycemic control Role of the Staff: Know about Acute Se evere Hyperglycemic in Diabettic ESRD ¾ Extreme hyperglycemia oftten asymptomatic; absence of glycosuria gy ¾ Causes hyperkalemia nary edema ¾ Thirst, weight gain, pulmon ¾ Diabetic ketoacidosis Role of the Sttaff: Referral for Hospittalization ¾ Diabetic ketoacidosis: pla asma glucose >250 mg/dl, serum bicarbonate <15 meq/l, m arterial pH <7.30 ¾ Hyperglycemic H l i h hyperosm molar l state: t t severe hyperglycemia (>600mg/d dl) and elevated serum osmolality (<320mOsm/k ( 320mOsm/kg) ¾ Hypoglycemia (<50mg/dl) with altered sensorium, behavior, coma, seizuress Congestive Heart H Failure ¾ Gill CJASN 2008; 3L S29 2:1186 ¾ CV disease event rates ¾ High rate of CHF in dialysis -Banerjee CJASN 2007; -HD survival after hospitalization for CV event -Diabetes death increased 23% ACCESS TO KIDN NEY TRANSPLANT by age age, diabetic stattus, tus and time period Van Dijk, P. et al. Renal replacement therapy for diabbetic end-stage renal disease: Data from 10 registries in Europe (1991-2000). Kidney Innternational 2005; 67: 1489-1499. Quality Indicators: Diabetes USRD DS 08 Diabetic ESRD D and Clinical Performanc ce Measures ¾ Rocco Ann Int Med 200 06; 145: 512 ¾ Random sampling of long g-term hemodialysis patients ¾ CMMS clinical performan nce project ¾ Targets: hemoglobin, albumin, AVF, dialysis adequacy g multiple p clinical p performance measures ¾ Meeting associated with decrease ed hospitalization and mortality rates ¾ Patients with diabetes les ss likely to meet clinical performance measures KDOQI Targets and Improved Survival: Diab betes ¾ Tentori JASN 2007; 18 8: 2377 ¾ Retrospective analysis, DCI D ¾ Incident patients 1998-20 1998 20 004 ¾ Adequacy, hematocrit, albumin, calcium, phosphorus, Pth ¾ Largest survival benefit was w for albumin ¾ All six guidelines – 89% reduction r in mortality ¾ Guideline adherence (hem matocrit Pth) less strongly matocrit, associated with improved d survival in diabetes Professional Team for f Diabetes Disease Manag gement ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Primary Care Physician gist Diabetologist or Endocrinolog Nephrologist p g Cardiologist Podiatrist Ophthalmologist Pharmacist Dentist Diabetes Self Self--Ma anagement Study ¾ McMurray AJKD 40: 56 66, 2002 Diabetes Ca ase Manager ¾ Identifies physician primarily responsible for managing the patient’s diabetes ¾ Reviews home glucose readiings monthly ¾ Reviews quarterly laboratoryy HbA1c ¾ Also reviews blood pressuress, s lipid levels levels, need for aspirin therapy ¾ Informs physician (nephrolog gist, pcp, internist, or endocrinologist) of laboratoryy results ¾ Performs regular foot checkss on the patient ¾ Follows up p on eye y examinations ¾ Motivational coaching: emottional support, problem solving, encouragement Interventions in the Dialysis Unit ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Include A1c on rounding reports, monthly care plans Provide monthly reports for the p patient Site for diabetes self-management education Reinforce annual screening g reco ommendations Recognize when urgent management or referral are warranted Identify physician responsible forr diabetes management E t bli h communications Establish i ti with ith other oth care providers id List of providers with contact info ormation Assign case manager to integrate diabetes care Type 2 Diabetes CQI: Effects of Different Strategies on Glycem mic Control Postintervention Differences in Serum HbA1c Values V After Adjustment j for Study y Bias and Baseline HbA A1c Values Shojania, K. G. et al. JAMA 2006;296:427-440. Copyright restrictions may apply. Di b Diabetes Case C M Man nagement Study S d ¾ Intensive education and case management ¾ 83 patients followed for one yea ar ¾ Self-management S f education, dia abetes self-care f monitoring, motivational coaching, foot checcks ¾ Improved HbA1c in treatment grroup ¾ Improved I d selflf managementt beh b havior h i ¾ Foot risk category stable, fewer foot amputations (McMurray Am J Kidney Dis 40: 4 566, 2002 ESRD Med dical Home ¾ McMurray Nephrology Newss and Issues 10/2009 Summ mary ¾ Scope of diabetic ESRD problem; outcomes ¾ Unique aspects of diabetic ESRD patients ¾ Dialysis Unit Unit-based based qualitty improvement