nicola petrosillo - cardiopulmonary involvement in hiv infection
DESCRIPTION
6th Regional Conference in Sarajevo, May 17-18 2012.TRANSCRIPT
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May 17-18 2012, Sarajevo Organized by: Udruženje Partnerstvo za zdravlje
Cardiopulmonary involvement in HIV infection
Nicola Petrosillo
National Institute for Infectious Diseases
“L. Spallanzani”, Roma
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•In the context of declining rates of HIV- related morbidity and mortality, proportions of HIV-infected patients affecting by chronic conditions, including cardiovascular (CV) disease, and deaths attributable to these conditions, have increased.
•In comparison with the general population, HIV-infected patients are at increased risk of CV diseases, including acute myocardial infarction (AMI) and advanced subclinical vascular disease.
Background
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Pre-HAART
• Pericarditis and pericardial effusion
• Myocarditis and dilated cardiomiopathy
• Endocarditis (IV drug users)
• Cardiac involvement in AIDS-related tumors
HAART
• Pulmonary arterial hypertension (better diagnosed)
• Systemic arterial hypertension (more prevalent with age)
• CV ischemic disease
Changing spectrum of CV disease in HIV-infected patients
Khunnawat C et al. Am J Cardiol 2008;102:635–642
Most common cardiovascular problems
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Pre-HAART
• Pericarditis and pericardial effusion
• Myocarditis and dilated cardiomiopathy
• Endocarditis (IV drug users)
• Cardiac involvement in AIDS-related tumors
HAART
• Pulmonary arterial hypertension (better diagnosed)
• Systemic arterial hypertension (more prevalent with age)
• CV ischemic disease
Changing spectrum of CV disease in HIV-infected patients
Khunnawat C et al. Am J Cardiol 2008;102:635–642
Most common cardiovascular problems
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• P.A. 40 mm, right P.A. 22, P.A. 40 mm, right P.A. 22, left P.A. 14 mmleft P.A. 14 mm
• Right VentricleRight Ventricle• Major axis 90 mmMajor axis 90 mm• Minor axis 43 mmMinor axis 43 mm• ED volume 88 mlED volume 88 ml• ES volume 62 mlES volume 62 ml• EF: 30 % (n.v. 40-60%)EF: 30 % (n.v. 40-60%)
Feb 5, 2007
PAP 41
TPR 15
CI 1,7
WT 470
Feb 13, 2008
PAP 37
TPR 5,6
CI 2,5
WT 576
• P.A. 35 mm, right P.A. 20, P.A. 35 mm, right P.A. 20, left P.A. 15 mmleft P.A. 15 mm
• Right VentricleRight Ventricle• Major axis 78 mmMajor axis 78 mm• Minor axis 43 mmMinor axis 43 mm• ED volume 87 mlED volume 87 ml• ES volume 46 mlES volume 46 ml• EF: 46 % (n.v. 40-60%)EF: 46 % (n.v. 40-60%)
Cardiac NMR at the beginning ofsildenafil therapy and 1 year later
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Simonneau G et al. J Am Coll Cardiol 2009; 54: S43-45
Clinical Classification of Pulmonary Hypertension (Dana Point)
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HIV associated pulmonary arterial hypertension
-Higher prevalence than in general population
-(0.5% versus 0.02%)
Prevalence in HIV population
0.5% (6/1200) Speich, Chest 1991 0.4% (47/11894) Zuber, CID 2004
0.5% (66/13400) Opravil, AIDS 2008
0.5% (35/7648) Sitbon, Am J Respir Crit Care Med 2008
0.4% (19/5000) Cicalini, AIDS 2008
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Petrosillo N Cicalini S. PVRI Review 2009; 1: 173-9
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AIDS Res Hum Retroviruses 2012; 28
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HIVHIV
HIV proteins
HIV proteins
Inflammatory mediators
Inflammatory mediators
AngiogenesisProliferation
Apoptosis
AngiogenesisProliferation
Apoptosis
PAH
Lung vascular cells
Lung vascular cells
PAH-specific therapy (prostacyclins, ET-1-receptor antagonists, PDE-5
inhibitors, Ca-channel blockers, etc.
Antiretrovirals
Antiretrovirals
Prevention
?
?
?
?
Figure 3. Conceptual frame of PAH as a complication of HIV infection. The hypothetical events contributing to HRPAH are indicated with arrows. Therapeutic interventions are shown by block arrows. Areas that warrant further research to enlighten molecular mechanisms and potentially unraveling future therapeutic targets are indicated by triangles.
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Pre-HAART
• Pericarditis and pericardial effusion
• Myocarditis and dilated cardiomiopathy
• Endocarditis (IV drug users)
• Cardiac involvement in AIDS-related tumors
HAART
• Pulmonary arterial hypertension (better diagnosed)
• Systemic arterial hypertension (more prevalent with age)
• CV ischemic disease
Changing spectrum of CV disease in HIV-infected patients
Khunnawat C et al. Am J Cardiol 2008;102:635–642
Most common cardiovascular problems
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• Is CV risk higher among HIV-positive individuals than in the general population?
• If yes, why?
1) Traditional risk factors
2) Role of ARV medication
3) HIV itself
4) Persistent inflammatory state
5) Comorbidities
1) Traditional risk factors
2) Role of ARV medication
3) HIV itself
4) Persistent inflammatory state
5) Comorbidities
•How to assess CV risk?•How to manage it?•How to prevent it?
•How to assess CV risk?•How to manage it?•How to prevent it?
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Is CV risk higher among HIV-positive individuals than in the general population?
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MI rates in HIV vs non HIV-patientsMI rates in HIV vs non HIV-patients
Higher prevalence of hypertension, diabetes and dyslipidemia (no data on smoking rate)Higher prevalence of hypertension, diabetes and dyslipidemia (no data on smoking rate)
Triant, J Clin Endocrin Metab 2007N=3.851 N=1.044.589
IMA (ICD-9)
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Currier, Circulation 2008
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Lo, AIDS 2010
N= 32N= 32 N= 78N= 78
6.5% stenosi >70%6.5% stenosi >70%
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Why it is higher?
Grunfeld, Circulation 2008Grunfeld, Circulation 2008
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1) Traditional risk factors
2) Role of ARV medication
3) HIV itself
4) Persistent inflammatory state
5) Comorbidities
1) Traditional risk factors
2) Role of ARV medication
3) HIV itself
4) Persistent inflammatory state
5) Comorbidities
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Age
Aging in HIV population is increasing
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Coronary aging in HIV-infected patientsCoronary aging in HIV-infected patients
Methods: observational cross-sectional study in 400 HIV patients receiving ART.
•All pts underwent coronary artery calcium (CAC) screening using computed tomography.
•Coronary age (CA) was calculated based on CAC score.
Findings: increased CA was observed in 40.5% of patients with an average increase of 15 (range 1-43) years compared to their chronological age.
Methods: observational cross-sectional study in 400 HIV patients receiving ART.
•All pts underwent coronary artery calcium (CAC) screening using computed tomography.
•Coronary age (CA) was calculated based on CAC score.
Findings: increased CA was observed in 40.5% of patients with an average increase of 15 (range 1-43) years compared to their chronological age.
Guaraldi, ICAR 2009; CID 2009Guaraldi, ICAR 2009; CID 2009
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Cardiovascular risk factors in the D:A:D study population at baseline
Friis-Moller AIDS 2003
Smoking
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a p<0.0001Triant, J Clin Endocrin Metab 2007
• Hypertension, diabetes, dyslipidemia
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1) Traditional factors2) Role of ARV medication
WHY CV risk is increased
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Retrospectives studies Does ART increase the risk?
Kaiser Permanente Registry, Klein JAIDS 2002 No
VA Database, Bozzette NEJM 2003; JAIDS 2008 No
French Hospital Database, Mary Krause AIDS 2003 Yes
California Medicaid, Currier JAIDS 2003 Yes
Danish National Hospital Registry, Obel CID 2007 Yes
Los Angeles County Cohort, Vaughn AIDS Care 2007 Yes
Prospective observational studies
HOPS cohort, Homberg Lancet 2002 Yes
HIV Insight/HOPS, Hoeje HIV Med 2005 Yes
DAD Study cohortNEJM 2003; NEJM 2007; Lancet 2008; JID 2010
Yes
Randomized controlled trial
SMART trial, Phillips Antivir Ther 2008 No
Antiretroviral therapy and risk of myocardial infarction
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RR = 1.16 per exposure year (95% CI 1.09 -1.23)
Incidence 3.65/1000 p/y
The D:A:D StudyThe D:A:D Study
NEJM 2003, NEJM 2007NEJM 2003, NEJM 2007
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NEJM 2007NEJM 2007
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SMART: studio prospettico, randomizzato. end-point primario: infezioni opportunistiche, morte. end-point secondario: malattie CV
El Sadr, N Engl J Med 2006
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Van Leuven, Curr Opinion HIV AIDS 2007
“It is not just antiretroviral therapy that hurts the heart!”“It is not just antiretroviral therapy that hurts the heart!”
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Prevention of CV risk in HIV
• Avoid smoking (campaign, education. Tailored programs, etc.)
• Prevent traditional risk factors
• Avoid ARV medication with high impact on metabolic disorders
• Treat HIV infection
• Treat metabolic disorders
• Support physical activities
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