Research Topics
Species | Julio A ChirinosSummaryAffiliation: University of Pennsylvania Country: USA Publications
Research Grants
| Collaborators
|
Detail Information
Publications
Early and late systolic wall stress differentially relate to myocardial contraction and relaxation in middle-aged adults: the asklepios studyJulio A Chirinos
3800 Woodland Ave Rm 8B111, Philadelphia, PA 19104
Hypertension 61:296-303. 2013..A loading sequence characterized by prominent late systolic wall stress was associated with lower longitudinal systolic function and diastolic relaxation...
Arterial wave reflections and incident cardiovascular events and heart failure: MESA (Multiethnic Study of Atherosclerosis)Julio A Chirinos
Philadelphia VA Medical Center and University of Pennsylvania School of Medicine, Philadelphia, PA, USA
J Am Coll Cardiol 60:2170-7. 2012..This study sought to assess the relationship between central pressure profiles and cardiovascular events (CVEs) in a large community-based sample...
Arterial properties as determinants of time-varying myocardial stress in humansJulio A Chirinos
Philadelphia Veterans Affairs Medical Center University of Pennsylvania, Philadelphia, PA, USA
Hypertension 60:64-70. 2012..These observations may relate to the differential susceptibility of women to heart failure...
Arterial stiffness: basic concepts and measurement techniquesJulio A Chirinos
Philadelphia VA Medical Center, University of Pennsylvania Perelman School of Medicine, Rm 8B111 University and Woodland Av, Philadelphia, PA, USA
J Cardiovasc Transl Res 5:243-55. 2012..This introductory paper reviews basic physical principles and definitions regarding arterial stiffness and the most important non-invasive methods for its quantification in vivo...
Left ventricular mass: allometric scaling, normative values, effect of obesity, and prognostic performanceJulio A Chirinos
University of Pennsylvania Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
Hypertension 56:91-8. 2010..We provide more appropriate normalization methods, normative data by 2D echocardiography and gradient-echo cardiac MRI, and cutoffs for defining LVH, along with prognostic validation data...
Efficacy of cholesterol uptake inhibition added to statin therapy among subjects following a low-carbohydrate diet: a randomized controlled trialJulio A Chirinos
Department of Medicine, University of Pennsylvania and Philadelphia Veterans Affairs Medical Center, USA
Am Heart J 159:918.e1-6. 2010..However, the efficacy of cholesterol absorption inhibition added to statin therapy has not been studied in this common clinical setting...
Time-varying myocardial stress and systolic pressure-stress relationship: role in myocardial-arterial coupling in hypertensionJulio A Chirinos
University of Pennsylvania, Philadelphia, USA
Circulation 119:2798-807. 2009..We assessed the relationship between instantaneous ejection-phase pressure and myocardial stress and the effect of arterial wave reflections on myocardial stress in hypertensive and normotensive adults...
Endogenous nitric oxide synthase inhibitors, arterial hemodynamics, and subclinical vascular disease: the PREVENCION StudyJulio A Chirinos
University of Pennsylvania, Philadelphia, USA
Hypertension 52:1051-9. 2008..L-arginine is independently associated with abnormal pulsatile (but not resistive) arterial hemodynamic indices, which may reflect abnormal L-arginine transport, leading to decreased intracellular bioavailability for NO synthesis...
Ethnic differences in arterial wave reflections and normative equations for augmentation indexJulio A Chirinos
Division of Cardiology, University of Pennsylvania Philadelphia Veterans Affairs Medical Center, PA, USA
Hypertension 57:1108-16. 2011..Our study provides normative data that can be used to complement the interpretation of individual hemodynamic assessments among men and women of various ethnic populations, after removing the effect of various physiological determinants...
Body mass index and hypertension hemodynamic subtypes in the adult US populationJulio A Chirinos
Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia Veterans Affairs Medical Center, 19104, USA
Arch Intern Med 169:580-6. 2009..Similarly, the study of hypertension subtypes provides important information regarding the relative importance of hemodynamic abnormalities contributing to obesity-related hypertension...
Noninvasive evaluation of left ventricular afterload: part 1: pressure and flow measurements and basic principles of wave conduction and reflectionJulio A Chirinos
Department of Medicine, Philadelphia Veterans Affairs Medical Center University of Pennsylvania, Philadelphia, PA, USA
Hypertension 56:555-62. 2010..Our review is aimed at helping researchers and clinicians apply and interpret results obtained from analyses of left ventricular afterload in clinical and epidemiological settings...
Noninvasive evaluation of left ventricular afterload: part 2: arterial pressure-flow and pressure-volume relations in humansJulio A Chirinos
Department of Medicine, Philadelphia Veterans Affairs Medical Center University of Pennsylvania, Philadelphia, PA, USA
Hypertension 56:563-70. 2010..Our review is aimed at helping researchers and clinicians obtain and interpret results from analyses of left ventricular afterload in clinical and epidemiological settings...
Arterial pulsatile hemodynamic load induced by isometric exercise strongly predicts left ventricular mass in hypertensionJulio A Chirinos
University of Pennsylvania, Philadelphia Veterans Affairs Medical Center, Philadelphia, PA 19104, USA
Am J Physiol Heart Circ Physiol 298:H320-30. 2010....
Central pulse pressure in chronic kidney disease: a chronic renal insufficiency cohort ancillary studyRaymond R Townsend
University of Pennsylvania, 122 Founders Building, 3400 Spruce St, Philadelphia, PA 19104, USA
Hypertension 56:518-24. 2010..The large size of this unique chronic kidney disease cohort provides an ideal situation to study the role of brachial and central pressure measurements in kidney disease progression and cardiovascular disease incidence...
Endothelial microparticles and platelet and leukocyte activation in patients with the metabolic syndromeRoque B Arteaga
Department of Medicine, Leonard Miller School of Medicine, University of Miami, Florida, USA
Am J Cardiol 98:70-4. 2006..In conclusion, our data demonstrate endothelial cell microparticle release, platelet and leukocyte activation, and increased binding of EMPs and platelets to leukocytes in patients with the MS...
Left ventricular remodeling in human heart failure: quantitative echocardiographic assessment of 1,794 patientsBonnie Ky
Division of Cardiovascular Medicine Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Echocardiography 29:758-65. 2012..We sought to define the adaptive remodeling that occurs in chronic human HF through the detailed analyses of a large quantitative echocardiography database...
Usefulness of arterial compliance in the thigh in predicting exercise capacity in individuals without coronary heart diseaseHoward J Willens
Department of Medicine, University of Miami School of Medicine, Miami, FL, USA
Am J Cardiol 96:306-10. 2005..In conclusion, thigh compliance measured with a simple-to-use, fully automated device independently predicts aerobic fitness in patients with a wide range of cardiovascular risk but without CHD...
Prevalence of mitral annulus calcification in African Americans: comparison with non-Hispanic whites and HispanicsHoward J Willens
Department of Medicine, Division of Cardiology, University of Miami, Miller School of Medicine, Florida, USA
Ethn Dis 18:48-52. 2008..We sought to compare prevalence and clinical correlates of mitral annulus calcification in non-Hispanic Whites, Hispanics, and African Americans...
Correlation between apoptotic endothelial microparticles and serum interleukin-6 and C-reactive protein in healthy menJulio A Chirinos
Department of Medicine, Wallace H Coulter Platelet Laboratory, University of Miami, Miami, Florida 33136, USA
Am J Cardiol 95:1258-60. 2005..49, p = 0.02) but not with EMP31 or EMP62E. EC apoptosis is associated with IL-6 levels in men and might be partially responsible for the increased cardiovascular risk associated with subclinical inflammation...
Prevalence and clinical correlates of mitral annulus calcification in Hispanics and non-Hispanic whitesHoward J Willens
Department of Medicine, Division of Cardiology, University of Miami Miller School of Medicine, Miami, Florida, USA
J Am Soc Echocardiogr 20:191-6. 2007..Data about mitral annulus calcification (MAC) are sparse in Hispanics. We compare prevalence and clinical correlates of MAC in Hispanics and non-Hispanic whites...
The relation between mitral annular calcification and mortality in patients undergoing diagnostic coronary angiographyHoward J Willens
Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA
Echocardiography 23:717-22. 2006..98, 95% CI = 1.68-9.40, P = 0.001). MAC detected by two-dimensional echocardiography independently predicts mortality and may provide an easy-to-perform and inexpensive way to improve risk stratification...
Elevation of endothelial microparticles, platelets, and leukocyte activation in patients with venous thromboembolismJulio A Chirinos
Department of Medicine, University of Miami, Miami, Florida, USA
J Am Coll Cardiol 45:1467-71. 2005..The purpose of this research was to determine the levels of platelet, leukocyte, and endothelial activation and markers of cellular interactions in patients with venous thromboembolism (VTE)...
Aortic PWV in chronic kidney disease: a CRIC ancillary studyRaymond R Townsend
Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
Am J Hypertens 23:282-9. 2010..Little data exist characterizing aortic stiffness in patients with chronic kidney disease (CKD) who are not receiving dialysis, and in particular the effect of reduced kidney function on aortic PWV...
The utility of prescreening transesophageal echocardiograms: a prospective studyJeffrey Ogbara
Department of Medicine, Cardiovascular Division, Echocardiography Laboratory University of Pennsylvania, Philadelphia, Pennsylvania, USA
Echocardiography 28:767-73. 2011..However, the intersection of the AUC with the safety and clinical use of transesophageal echocardiography (TEE) is not well established...
Regional left ventricular systolic function and the right ventricle: the multi-ethnic study of atherosclerosis right ventricle studyChristopher T Dibble
University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Chest 140:310-6. 2011..We hypothesized that better septal function would be associated with higher RV ejection fraction and lower RV mass and volume by cardiac MRI...
Comparison of epicardial and pericardial fat thickness assessed by echocardiography in African American and non-Hispanic White men: a pilot studyHoward J Willens
Department of Medicine, Division of Cardiology University of Miami Miller School of Medicine, USA
Ethn Dis 18:311-6. 2008..This study explores whether this racial pattern of VAT distribution extends to the intrathoracic VAT...
Effects of weight loss after gastric bypass on right and left ventricular function assessed by tissue Doppler imagingHoward J Willens
Department of Medicine, Division of Cardiology, University of Miami School of Medicine, Miami, Florida 33021 8437, USA
Am J Cardiol 95:1521-4. 2005..6 +/- 2.5 to 10.3 +/- 2.7 cm/s, p = 0.037). In patients with severe obesity, significant weight loss results in an increase in tricuspid annular systolic and early diastolic velocities and mitral annular early diastolic velocities...
Effects of weight loss after bariatric surgery on epicardial fat measured using echocardiographyHoward J Willens
Department of Medicine, Division of Cardiology, University of Miami Miller School of Medicine, Miami, Florida, USA
Am J Cardiol 99:1242-5. 2007..Measuring epicardial fat thickness using echocardiography may be useful to monitor visceral fat loss with weight reduction therapies...
Noninvasive differentiation of pulmonary arterial and venous hypertension using conventional and Doppler tissue imaging echocardiographyHoward J Willens
Department of Medicine, Division of Cardiology, University of Miami Miller School of Medicine, Miami, Florida, USA
J Am Soc Echocardiogr 21:715-9. 2008..Optimal cutoff for diagnosing PVH was 9.2 for E/E' (sensitivity 95%, specificity 96%) and 1.7 for E/A (sensitivity 75%, specificity 91%). PAH and PVH may be differentiated by readily obtainable conventional and tissue Doppler parameters...
Transthoracic and transesophageal echocardiography for the indication of suspected infective endocarditis: vegetations, blood cultures and imagingVinay Kini
Hospital of the University of Pennsylvania, Department of Medicine, Cardiovascular Division, Philadelphia, Pennsylvania, USA
J Am Soc Echocardiogr 23:396-402. 2010..The aim of this study was to investigate the ability of transthoracic echocardiography (TTE) to detect vegetations and the relationship between blood cultures and transesophageal echocardiography (TEE)...
FGF-23 and the progression of coronary arterial calcification in patients new to dialysisAbigail May Khan
Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
Clin J Am Soc Nephrol 7:2017-22. 2012..The aim of this study was to evaluate the association of FGF-23 with CAC progression in advanced CKD...
Application of appropriateness criteria in outpatient transthoracic echocardiographyJames N Kirkpatrick
Department of Medicine, Cardiovascular Division, Echocardiography Laboratory, University of Pennsylvania, Philadelphia, PA 19104, USA
J Am Soc Echocardiogr 22:53-9. 2009..Appropriateness criteria were applied to outpatient transthoracic echocardiographic (TTE) studies...
Supraventricular tachycardia in Wolff-Parkinson-White syndrome: to and froJulio A Chirinos
Division of Cardiology, University of Miami School of Medicine, Florida, USA
Clin Cardiol 29:324. 2006
Endocarditis associated with antineutrophil cytoplasmic antibodies: a case report and review of the literatureJulio A Chirinos
Department of Medicine, University of Miami, School of Medicine and Veterans Affairs Medical Center, Miami, FL, USA
Clin Rheumatol 26:590-5. 2007..In this paper, we review reported cases of ANCA-positive bacterial endocarditis and compare them to the reported cases of ANCA-associated idiopathic vasculitis with endocardial compromise...
Septic thrombophlebitis: diagnosis and managementJulio A Chirinos
Division of Cardiology, Department of Medicine, University of Miami School of Medicine, Miami, Florida, USA
Am J Cardiovasc Drugs 6:9-14. 2006..In this article, we review the diagnosis and management of septic thrombophlebitis, focusing on Lemierre syndrome, pylephlebitis, and septic thrombophlebitis of the pelvic veins...
Expression of the chemokine receptor CCR7 in prostate cancer presenting with generalized lymphadenopathy: report of a case, review of the literature, and analysis of chemokine receptor expressionGustavo A Heresi
Department of Medicine, University of Miami School of Medicine, Miami, FL 33101, USA
Urol Oncol 23:261-7. 2005..Because of the association of chemokine receptor expression with specific metastatic patterns, we tested for expression of chemokine receptors known to mediate migration to lymph nodes...
Digoxin use is associated with increased platelet and endothelial cell activation in patients with nonvalvular atrial fibrillationJulio A Chirinos
Department of Medicine, Division of Cardiology, University of Miami School of Medicine, Miami, Florida 33136, USA
Heart Rhythm 2:525-9. 2005..If digitalis activates endothelial cells and platelets at pharmacologic doses, use of digitalis in conditions such as AF could predispose to thrombosis and vascular events...
Usefulness of C-reactive protein as an independent predictor of death in patients with ischemic cardiomyopathyJulio A Chirinos
Division of Cardiology, Department of Medicine, University of Miami School of Medicine and Veterans Affairs Medical Center, Miami, Florida 33125, USA
Am J Cardiol 95:88-90. 2005..This correlation was independent of other prognostic factors, such as age, ejection fraction, symptoms of severe congestive heart failure, use of angiotensin-converting enzyme inhibitors, and use of beta blockers...
The evolution of Lemierre syndrome: report of 2 cases and review of the literatureJulio A Chirinos
Department of Medicine, University of Miami School of Medicine, FL, USA
Medicine (Baltimore) 81:458-65. 2002..4%), but significant morbidity occurred, which was likely preventable by early diagnosis and treatment. The pathophysiology, natural history, diagnostic methods for internal jugular vein thrombosis, and management are discussed...
Research Grants
- Inflammatory response to sleep apnea in obese subjectsJULIO CHIRINOS MEDINA; Fiscal Year: 2009..We propose that this study design will provide the best way to separate the independent effects of obesity and OSA on cardiovascular risk. ..
- Inflammatory response to sleep apnea in obese subjectsJULIO CHIRINOS MEDINA; Fiscal Year: 2009..We propose that this study design will provide the best way to separate the independent effects of obesity and OSA on cardiovascular risk. ..
- Inflammatory response to sleep apnea in obese subjectsJULIO ALONSO CHIRINOS MEDINA; Fiscal Year: 2010..We propose that this study design will provide the best way to separate the independent effects of obesity and OSA on cardiovascular risk. ..
