cardiac risk in esrd patient dr.badr alhomayeed.md nephrology and kidney transplant consultant...
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Cardiac Risk In ESRD Patient DR.BADR ALHOMAYEED.MD
NEPHROLOGY AND KIDNEY TRANSPLANT CONSULTANT
FEB/8/2014
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Objectives:Relation ship between ESRD and cardiovascular morbidity and
mortality.Risk factors for the development of cardiovascular disease in ESRD
patient.Different cardiovascular manifestations in ESRD patient.Efforts to reduce cardiovascular risk in ESRD patient.Conclusion.
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Cardiac Diseases in maintenance Hemodialysis patients: Result of the HEMO Study
Any cardiac disease Ischemic Heart disease Congestive heart failure Arrythmia Other heart disease0
10
20
30
40
50
60
70
80
90
100
Percentage of Patients
Kidney International (2004) 65,2380-2389
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Causes of Death in Incident Dialysis Patients, 2009-2011, First 180 days
USRDS 2013
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Causes of Death in Prevalent Dialysis Patients, 2009-2011
USRDS 2013
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Survival of Patients with Cardiovascular Diagnoses & Procedures, by Modality, 2009–2011
USRDS 2013
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Risk Factors For Cardiovascular disease in ESRD patients.
Henrich W L CJASN 2009;4:S106-S109
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Congestive Heart Failure in Dialysis PatientsCongestive heart failure is a common presenting symptoms of cardiovascular disease in dialysis population.
CHF contributes significantly to mortality and morbidity and also worsens the quality of life in ESRD patients.
Overt left ventricular hypertrophy (LVH) is very common.
Myocardial disease can also reduce cardiac reserve, making the patient more vulnerable to episodes of hypotension during dialysis.
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Rates of a CHF diagnosis in ESRD patients
USRDS 2013
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Heart failure in prevalent dialysis patients, by modality, 2011
USRDS 2013
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Long-term Survival of Incident Hemodialysis Patients who are Hospitalized for Congestive Heart Failure, Pulmonary Edema, or Fluid Overload.
Banerjee D et al. CJASN 2007;2:1186-1190
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Hypertension Salt+H2o retention , AVF, Anemia
LV pressure overload
LV volume over load
Vascular remodeling
Eccentric LVH Conc. LVH
Overload cardiomyopathy
Myocytes death Myocardial fibrosis Decrease capillary
perfusion
HPTH Malnutrition Uremic toxins Dialysis induced
low BP
LV dilatation & Hypertrophy
Diastolic dysfunction
Systolic dysfunction
Nephrol Dial Transplant (2000) 15 [Suppl 5]: 58–68
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Cardiac fibrosis associated with increased mortality in ESRD patients.
Henrich W L CJASN 2009;4:S106-S109
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Reduction in systolic BP during hemodialysis in patients with and without HD-induced regional wall motion abnormalities (RWMAs).
Burton J O et al. CJASN 2009;4:914-920
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Change in EF at rest and during HD over 12 mo in patients with fixed reductions in segmental function of >60%.
Burton J O et al. CJASN 2009;4:1925-1931
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The association of hemodialysis-induced RWMAs with mortality and outcome.
Burton J O et al. CJASN 2009;4:914-920
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Unadjusted survival in patients with systolic and diastolic heart failure, by age, 2010–2011
Diastolic Heart Failure Systolic Heart failure
USRDS 2013
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Coronary artery disease in ESRDApproximately 20% of mortality in ESRD patient can be attributed to coronary artery disease.Many dialysis patients have more than one of the traditional risk factors , resulting in an even higher risk of adverse outcomes.Patients who have both DM and HTN have a 5-6 fold increased risk of having heart disease compared to those without history of either condition.
Am J Kidney Dis.2005; 45(2):316
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Biochemical, Functional, and Anatomic evaluation of Coronary Heart Disease in ESRD
Stenvinkel P et al. JASN 2003;14:1927-1939
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Stable Coronary Artery DiseaseClinical manifestation: -Frequent hypotension or chest pain on hemodialysis. -Exercise induced chest discomfort. -Exertional dyspnea. -Sudden cardiac arrest. -Sudden cardiac death. -Arrhythmia.
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Screening
- If there is a change in symptoms related to IHD or clinical status (e.g. Recurrent low BP , CHF unresponsive to dry weight changes, or inability to achieve dry weight because of
hypotension), evaluation for CAD is recommended.
- Dialysis patients with significant reduction in LV systolic function (EF<40%) should be evaluated for CAD.
- Evaluation for heart disease should occur at initiation of dialysis and include a baseline electrocardiogram (ECG) and echocardiogram. Both of these tests provide
information pertinent to, but not restricted to, CAD evaluation. Annual ECGs are recommended after dialysis initiation.
K/DOQI clinical practice guidlines
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Screening -If the patient has “complete” coronary revascularization (i.e., all ischemic coronary
vascular beds are bypassed), the first re-evaluation for CAD should be
performed 3 years after coronary artery bypass (CAB) surgery, then every 12
months thereafter.
- If the patient has “incomplete” coronary revascularization after CAB surgery
( i.e., not all ischemic coronary beds are re vascularized ,)then evaluation for
CAD should be performed annually.
K/DOQI clinical practice guidlines
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Screening -CAD evaluation should also include exercise or pharmacological stress
echocardiographic or nuclear imaging tests. “- Automatic” CAD evaluation with stress imaging is currently not
recommended for all dialysis patients. -Stress imaging is appropriate (at the discretion of the patient’s physician) in
selected high-risk dialysis patients for risk stratification even in patients who
are not renal transplant candidates. (C)
--Patients who are candidates for coronary interventions and have stress tests
that are positive for ischemia should be referred for consideration of
- angiographic assessment. (C) K/DOQI clinical practice guidelines
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Acute Coronary SyndromeThe evaluation and diagnosis of the dialysis patients with an acute
coronary syndrome is based upon the constellation of symptoms
and signs, findings on electrocardiogram, and levels of cardiac
biomarkers.
Dialysis patients with an acute coronary syndrome may present
with atypical symptoms and signs.
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P.value Non Dialysis (n=534935)
Dialysis (n=3049)
Variable
< 0.0001 Admission Diagnosis
229207 (43.8) 657 (21.8) MI
122752 (23.5) 713 (23.7) R/O MI
59943 (11.9) 291 (9.7) Unstable Angina
110836 (21.2) 1348 (44.8) other
Systolic Blood Pressure
1.0000 143.8+/-32.3 143.6 +/- 39.3 Mean+/- SD
1.0000 142 143 Median
Diastolic Blood Pressure
< 0.0001 80.7+/- 18.5 75.5+/-20.7 Mean+/- SD
< 0.0001 80 74 Median
< 0.0001 86.7+/-24.2 94.7+/- 24.1 Pulse BPM : Mean +/- SD
< 0.0001 84 92 Pulse BMD: Median
Admission Variables for ESRD patient with ACS
Herzog et al Circulation September 25, 2007
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P.value Non dialysis (n=534935) Dialysis (n=3049) Variables
< 0.0001 3553442 (68.3) 1325 (44.4) Chest Pain
< 0.0001 394914 (75.2) 1775 (58.4) No CHF
< 0.0001 83433 (15.9) 764 (24.1) Rales, JVP distention
< 0.0001 40074 (7.6) 461 (15.2) pulmonary oedema
< 0.0001 6778 (1.3) 39 (1.3) Cardiogenic Shock
ECG:
< 0.0001 188099 (35.9) 579 (19.1) ST elevation
1.0000 151492 (28.9) 840 (27.7) ST depression
< 0.0001 187650 (35.8) 1338 (44.1) Non specific
< 0.0001 46744 (8.9) 970 (5.6) Q wave
< 0.0001 30134 (5.8) 244 (8.1) LBBB
1.0000 30485 (5.8) 198 (6.5) RBBB
0.3294 40196 (7.7) 193 (6.4) Normal
< 0.0001 92146 (17.6) 760 (24.1) Other
Admission Variables for ESRD patient with ACS
Herzog et al Circulation September 25, 2007
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P.values Non dialysis (n=534935) Dialysis (n=3049) Variables
Myocardial Infarction type
< 0.0001 126566 (23.7) 508 (16.7) Antero/septal
< 0.0001 163559 (30.6) 555 (18.2) Inferior
< 0.0001 23060 (4.3) 65 (2.1) Posterior
< 0.0001 66367 (12.4) 293 (9.6) Lateral
1.0000 3624 (0.7) 13 (0.4) Rt. Ventricle involvement
< 0.0001 229312 ( 42.9) 1892 (62.1) Unspecified/other
< 0.0001 199602 ( 37.4) 78 (22.1) Q wave
< 0.0001 334793 (62.6) 2371 ( 77.8) Non Q wave
Admission Variables for ESRD patient with ACS
Herzog et al Circulation September 25, 2007
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Rates of an AMI event in ESRD patients
USRDS 2013
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Estimated mortality of dialysis patients after acute myocardial infarction (MI).
Herzog C A JASN 2003;14:2556-2572
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Cause Specific Mortality of Dialysis patients after Coronary Revascularization
Herzog C A et al. Nephrol. Dial. Transplant. 2008;23:2629-2633
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Sudden Cardiac Death In ESRDSudden Cardiac Death (SCD) is the single most common cause of death in dialysis patients.It accounts for 20-30% of all deaths.Over all incidence of SCD in this population is greater than coronary events.The risk of SCD persist after coronary revascularization.
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Rate of Sudden Cardiac Death in Prevalent ESRD patient by Modality
USRDS 2013
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Distribution of deaths according to day of the week for hemodialysis patients
Sunday Monday Tuesday Wedenesday Thursday Friday Saturday0
5
10
15
20
Percentage of deaths
cardiac arrest all cardiac control
Bleyer et al, kidney International 1999.55:1553-1559
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Probability of Sudden Cardiac Death in Incident ESRD patient by modality
USRDS 2103
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Risk Factors for Sudden Cardiac Death among ESRD Dialysis Patient
Herzog et al. Seminars in Dialysis, 2008
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Reduction of ‐ Cardiac hypertrophy &
fibrosis ‐ Fatal arrhythmia ‐ Heart rate variability
Avoiding low K dialysate & rapid electrolyte shifts:
To avoid: ‐ QT dispersion ‐ Réentrant arrhythmias ‐ Premature VES
Prevention of sudden death
Reduction of ‐ Cardiac hypertrophy &
fibrosis ‐ Antifibrillary activity ‐ Ventricular arrhythmia ‐ Heart rate variability ‐ Increase in baroreflex
sensitivity ‐ Reduced risk of acute MI
External & implantable defibrillator
ACEI and ARBs
Beta blockers
To avoid ‐ Cardiac arrest and ‐ Life threatening ventricular ‐
tachycardia
Prevention of sudden death in dialysis patients.
Blood Purif 2010;30:135–145
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Atrial Fibrillation End stage renal disease patients are more at risk for atrial fibrillation than the general population.AF is more prevalent in end-stage renal disease patients compared to age-matched individuals with normal renal function .Hemodialysis is associated with higher risk for AF compared to peritoneal dialysis.Left ventricular hypertrophy and electrolyte shift are strong predisposing factors for development of AF.
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Incidence of Atrial Fibrillation in Patient with ESRD
Zimmerman D et al. Nephrol. Dial. Transplant. 2012;27:3816-3822
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Prevalence of Atrial Fibrillation in Patient with ESRD
Zimmerman D et al. Nephrol. Dial. Transplant. 2012;27:3816-3822
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Mortality in patients with ESRD with and without atrial fibrillation.
Zimmerman D et al. Nephrol. Dial. Transplant. 2012;27:3816-3822
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Anticoagulation
Bleeding Thrombosis
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Stroke in patients with ESRD with and without atrial fibrillation.
Zimmerman D et al. Nephrol. Dial. Transplant. 2012;27:3816-3822
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Valvular Heart disease Valvular heart disease is common in patients on maintenance dialysis.
Valvular and annular thickening and calcification of the heart valves with subsequent development of regurgitation and/or stenosis of the affected one.
Aortic and mitral valve are commonly affected.
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Predisposing Factors:8-Infective endocarditis 1-Secondary hyperparathyrodisim
9-Mitral valve prolapse 2-HTN
10-High cardiac out put state 3-DM
11-Anemia 4-LVH
12-Arteriovenous fistula 5-Malnutrition/ inflammatory complex
13-Hyperlipidemia 6-Uremia
7-Hypertrophic cardiomyopathy
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Pericardial disease Patients with end-stage renal disease may develop pericarditis and pericardial effusions, and less commonly, chronic constrictive pericarditis.Two forms of pericarditis in renal failure have been described including uremic and dialysis-associated.Uremic pericarditis results from inflammation of the visceral and parietal membranes of the pericardial sac. At least two factors may contribute to dialysis associated pericarditis: inadequate dialysis and/or fluid overload .
Alpert et al Am J Med Sci. 2003;325(4):228
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Conclusion:End stage renal disease is a situation with a cardiovascular risk profile of almost unique severity.ESRD patient is at high cardiac risk precipitated by both traditional and non traditional risk factors.Different cardiac manifestations with various degree of severity and presentations are unique to ESRD patient on dialysis.Sudden cardiac death is the single most common cause of death in ESRD patient.
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