Ronald J Oudiz

Summary

Affiliation: Los Angeles Biomedical Research Institute
Country: USA

Publications

  1. doi request reprint Classification of Pulmonary Hypertension
    Ronald J Oudiz
    Division of Cardiology, Department of Medicine, Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, CA 90502, USA Electronic address
    Cardiol Clin 34:359-61. 2016
  2. doi request reprint Tadalafil for the treatment of pulmonary arterial hypertension: a double-blind 52-week uncontrolled extension study
    Ronald J Oudiz
    Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, CA, USA
    J Am Coll Cardiol 60:768-74. 2012
  3. pmc Usefulness of right-to-left shunting and poor exercise gas exchange for predicting prognosis in patients with pulmonary arterial hypertension
    Ronald J Oudiz
    Department of Medicine, Division of Cardiology, Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, CA, USA
    Am J Cardiol 105:1186-91. 2010
  4. doi request reprint Long-term ambrisentan therapy for the treatment of pulmonary arterial hypertension
    Ronald J Oudiz
    LA Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, California, USA
    J Am Coll Cardiol 54:1971-81. 2009
  5. ncbi request reprint Detection of small vessels with electron beam computed tomographic angiography using 1.5 and 3 mm collimator protocols
    Songshou Mao
    Division of Cardiology, Harbor UCLA Research and Education Institute, Torrance, CA 90502, USA
    Int J Cardiovasc Imaging 22:275-82. 2006
  6. ncbi request reprint Cardiopulmonary exercise testing and six-minute walk correlations in pulmonary arterial hypertension
    Ronald J Oudiz
    Saint John s Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, California, USA
    Am J Cardiol 97:123-6. 2006
  7. pmc Effect of sildenafil on ventilatory efficiency and exercise tolerance in pulmonary hypertension
    Ronald J Oudiz
    Division of Cardiology, Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, CA, USA
    Eur J Heart Fail 9:917-21. 2007
  8. ncbi request reprint Sitaxsentan treatment for patients with pulmonary arterial hypertension discontinuing bosentan
    Raymond L Benza
    Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama 35294 0006, USA
    J Heart Lung Transplant 26:63-9. 2007
  9. ncbi request reprint Treprostinil, a prostacyclin analogue, in pulmonary arterial hypertension associated with connective tissue disease
    Ronald J Oudiz
    Research and Education Institute, Harbor UCLA Medical Center, Torrance, CA 90502, USA
    Chest 126:420-7. 2004
  10. ncbi request reprint Coronary venous imaging with electron beam computed tomographic angiography: three-dimensional mapping and relationship with coronary arteries
    Songshou Mao
    Division of Cardiology, Harbor UCLA Research and Education Institute, Torrance, CA 90502 2064, USA
    Am Heart J 150:315-22. 2005

Collaborators

Detail Information

Publications25

  1. doi request reprint Classification of Pulmonary Hypertension
    Ronald J Oudiz
    Division of Cardiology, Department of Medicine, Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, CA 90502, USA Electronic address
    Cardiol Clin 34:359-61. 2016
    ..Understanding the classification of PH is paramount before embarking on a work-up of patients with PH or suspected PH because treatment and outcome can vary greatly. ..
  2. doi request reprint Tadalafil for the treatment of pulmonary arterial hypertension: a double-blind 52-week uncontrolled extension study
    Ronald J Oudiz
    Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, CA, USA
    J Am Coll Cardiol 60:768-74. 2012
    ..The aim of this study was to evaluate the long-term safety and durability of efficacy of tadalafil for pulmonary arterial hypertension...
  3. pmc Usefulness of right-to-left shunting and poor exercise gas exchange for predicting prognosis in patients with pulmonary arterial hypertension
    Ronald J Oudiz
    Department of Medicine, Division of Cardiology, Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, CA, USA
    Am J Cardiol 105:1186-91. 2010
    ..In conclusion, a persistent exercise-induced right-to-left shunt and poor ventilatory efficiency were highly predictive of poor outcomes in patients with pulmonary arterial hypertension...
  4. doi request reprint Long-term ambrisentan therapy for the treatment of pulmonary arterial hypertension
    Ronald J Oudiz
    LA Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, California, USA
    J Am Coll Cardiol 54:1971-81. 2009
    ..This study evaluated the safety and efficacy of ambrisentan for a period of 2 years in patients with pulmonary arterial hypertension (PAH)...
  5. ncbi request reprint Detection of small vessels with electron beam computed tomographic angiography using 1.5 and 3 mm collimator protocols
    Songshou Mao
    Division of Cardiology, Harbor UCLA Research and Education Institute, Torrance, CA 90502, USA
    Int J Cardiovasc Imaging 22:275-82. 2006
    ..To evaluate the effect of scanner collimation on the ability to detect small cardiac vessels using electron beam CT coronary angiography (EBA)...
  6. ncbi request reprint Cardiopulmonary exercise testing and six-minute walk correlations in pulmonary arterial hypertension
    Ronald J Oudiz
    Saint John s Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, California, USA
    Am J Cardiol 97:123-6. 2006
    ..Weight adjustment of the 6MW improved its correlation with peak VO2. In conclusion, in future multicenter trials, CPET expertise should be validated at all sites before subject enrollment...
  7. pmc Effect of sildenafil on ventilatory efficiency and exercise tolerance in pulmonary hypertension
    Ronald J Oudiz
    Division of Cardiology, Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, CA, USA
    Eur J Heart Fail 9:917-21. 2007
    ..The pulmonary vasculopathy in pulmonary arterial hypertension (PAH) results in increased resistance to pulmonary blood flow, limiting the cardiac output required for the increased O(2) demands of exercise...
  8. ncbi request reprint Sitaxsentan treatment for patients with pulmonary arterial hypertension discontinuing bosentan
    Raymond L Benza
    Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama 35294 0006, USA
    J Heart Lung Transplant 26:63-9. 2007
    ..Sitaxsentan, an oral, ET(A)-selective endothelin antagonist currently under investigation, may be an alternative treatment option. In this study we evaluate the safety and efficacy of sitaxsentan in patients discontinuing bosentan...
  9. ncbi request reprint Treprostinil, a prostacyclin analogue, in pulmonary arterial hypertension associated with connective tissue disease
    Ronald J Oudiz
    Research and Education Institute, Harbor UCLA Medical Center, Torrance, CA 90502, USA
    Chest 126:420-7. 2004
    ..To assess the efficacy and safety of continuous subcutaneous infusion of treprostinil, a stable prostacyclin analogue, for treating pulmonary arterial hypertension (PAH) in patients with connective tissue disease (CTD)...
  10. ncbi request reprint Coronary venous imaging with electron beam computed tomographic angiography: three-dimensional mapping and relationship with coronary arteries
    Songshou Mao
    Division of Cardiology, Harbor UCLA Research and Education Institute, Torrance, CA 90502 2064, USA
    Am Heart J 150:315-22. 2005
    ..We sought to assess the ability of electron beam computed tomographic angiography (EBCTA) to characterize 3-dimensional (3-D) coronary venous anatomy...
  11. ncbi request reprint Measurement of the RT interval on ECG records during electron-beam CT
    Songshou Mao
    Saint John s Cardiovascular Research Center, Research and Education Institute, Harbor UCLA Medical Center, 1124 W Carson St, RB2, Torrance, CA 90502, USA
    Acad Radiol 10:638-43. 2003
    ....
  12. ncbi request reprint Noninvasive gadolinium-enhanced three dimensional computed tomography coronary angiography
    Khawar M Gul
    Division of Cardiology, Los Angeles Biomedical Research Institute at Harbor UCLA, 1124 W Carson Street, RB2, Torrance, CA 90502, USA
    Acad Radiol 13:840-9. 2006
    ..The aim of this study is to evaluate the image quality of Gd-based contrast agents during coronary CTA...
  13. doi request reprint The pulmonary arterial hypertension quality enhancement research initiative: comparison of patients with idiopathic PAH to patients with systemic sclerosis-associated PAH
    Philip J Clements
    Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
    Ann Rheum Dis 71:249-52. 2012
    ....
  14. ncbi request reprint Comparison of coronary artery calcium screening image quality between C-150 and e-Speed electron beam scanners
    Matthew J Budoff
    Division of Cardiology, Harbor UCLA Research and Education Institute, 1124 W Carson Street, RB2, Torrance, California 90502, USA
    Acad Radiol 12:309-12. 2005
    ..The aim of this study was to evaluate coronary artery calcium screening image quality between the e-Speed and C-150 scanners (GE Imatron, San Francisco, CA)...
  15. pmc Developing pulmonary vasculopathy in systemic sclerosis, detected with non-invasive cardiopulmonary exercise testing
    Daniel Dumitrescu
    Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, California, United States of America
    PLoS ONE 5:e14293. 2010
    ..We hypothesized that abnormalities during cardiopulmonary exercise testing (CPET) in patients with SSc can identify PV leading to overt PAH...
  16. ncbi request reprint Pulmonary function in primary pulmonary hypertension
    Xing Guo Sun
    Division of Respiratory and Critical Care Physiology and Medicine, Department of Medicine, Research and Education Institute, Harbor UCLA Medical Center, Torrance, CA 90509, USA
    J Am Coll Cardiol 41:1028-35. 2003
    ..The study was done to ascertain the degree to which abnormalities in resting lung function correlate with the disease severity of patients with primary pulmonary hypertension (PPH)...
  17. ncbi request reprint Prevalence of obstructive coronary artery disease in an outpatient cardiac CT angiography environment
    Matthew J Budoff
    Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, California 90502, USA
    Int J Cardiol 129:32-6. 2008
    ....
  18. ncbi request reprint Gas exchange detection of exercise-induced right-to-left shunt in patients with primary pulmonary hypertension
    Xing Guo Sun
    Department of Medicine, Harbor UCLA Medical Center, Torrance, Calif 90509 2910, USA
    Circulation 105:54-60. 2002
    ..This article first hypothesizes and then describes unique changes in gas exchange when right-to-left exercise-induced shunting (EIS) occurs...
  19. ncbi request reprint End-tidal PCO2 abnormality and exercise limitation in patients with primary pulmonary hypertension
    Yuji Yasunobu
    Department of Medicine, Los Angeles Biomedical Research Institute, Harbor UCLA Medical Center, Torrance, CA 90509 2910, USA
    Chest 127:1637-46. 2005
    ..Our aim was to determine the size of the reduction in end-tidal Pco(2) (Petco(2)) as a reflection of the abnormality in ventilatory efficiency and ventilatory drive in PPH patients...
  20. ncbi request reprint Sensitivity to detect small coronary artery calcium lesions with varying slice thickness using electron beam tomography
    Songshou Mao
    Division of Cardiology, Harbor UCLA Research and Education Institute, Torrance, California dagger From the Department of Radiology, Xijing Hospital, Xi an, China
    Invest Radiol 38:183-7. 2003
    ..To estimate the sensitivity to find small coronary artery calcium lesions with use of different slice widths with electron beam tomography...
  21. ncbi request reprint The role of exercise testing in the management of pulmonary arterial hypertension
    Ronald J Oudiz
    David Geffen School of Medicine at UCLA, Los Angeles, CA 90502, USA
    Semin Respir Crit Care Med 26:379-84. 2005
    ..Additional work must be done to validate the utility of measuring exercise capacity in patients with less severe PAH...
  22. ncbi request reprint Micrococcus-associated central venous catheter infection in patients with pulmonary arterial hypertension
    Ronald J Oudiz
    Division of Cardiology, Research and Education Institute, Harbor UCLA Medical Center, Torrance, CA 90502, USA
    Chest 126:90-4. 2004
    ....
  23. ncbi request reprint Serial hemodynamics and complications of pregnancy in severe pulmonary arterial hypertension
    Arby Nahapetian
    Division of Cardiology, Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, Calif, USA
    Cardiology 109:237-40. 2008
    ..This case presents a favorable outcome in a pregnant patient undergoing cesarian section despite several complications related to pulmonary hypertension and right ventricular dysfunction, which are often fatal...
  24. doi request reprint Dosing considerations in the use of intravenous prostanoids in pulmonary arterial hypertension: an experience-based review
    Ronald J Oudiz
    Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center, Torrance, CA 90502, USA
    Am Heart J 157:625-35. 2009
    ..Intravenous (IV) prostanoid therapy remains arguably the most effective treatment of advanced pulmonary arterial hypertension (PAH) despite the introduction of newer molecules from different drug classes...
  25. ncbi request reprint Reproducibility of three different scoring systems for measurement of coronary calcium
    Hideya Yamamoto
    Saint John s Cardiovacular Research Center, Harbor UCLA Research and Education Institute, Torrance, CA, USA
    Int J Cardiovasc Imaging 18:391-7. 2002
    ..We sought to assess the reproducibility of two new software systems, InSight and AccuImage, and the console workstation of an EBT scanner for measuring coronary calcification...