P Michael Ho

Summary

Country: USA

Publications

  1. doi request reprint Medication adherence: its importance in cardiovascular outcomes
    P Michael Ho
    Denver VA Medical Center, Denver, CO, USA
    Circulation 119:3028-35. 2009
  2. ncbi request reprint Risk of adverse outcomes associated with concomitant use of clopidogrel and proton pump inhibitors following acute coronary syndrome
    P Michael Ho
    Denver VA Medical Center, Denver, Colorado, USA
    JAMA 301:937-44. 2009
  3. doi request reprint Medication nonadherence is associated with a broad range of adverse outcomes in patients with coronary artery disease
    P Michael Ho
    Cardiology Section, Denver VA Medical Center, Denver, CO, USA
    Am Heart J 155:772-9. 2008
  4. ncbi request reprint Implications of the failure to identify high-risk electrocardiogram findings for the quality of care of patients with acute myocardial infarction: results of the Emergency Department Quality in Myocardial Infarction (EDQMI) study
    Frederick A Masoudi
    Department of Medicine, Denver Health Medical Center, 777 Bannock St, Denver, CO 80204, USA
    Circulation 114:1565-71. 2006
  5. doi request reprint Delays in filling clopidogrel prescription after hospital discharge and adverse outcomes after drug-eluting stent implantation: implications for transitions of care
    P Michael Ho
    Institute for Health Research, Kaiser Permanente of Colorado, Denver, USA
    Circ Cardiovasc Qual Outcomes 3:261-6. 2010
  6. doi request reprint Clopidogrel use and hospital quality in medically managed patients with non-ST-segment-elevation myocardial infarction
    Thomas M Maddox
    VA Eastern Colorado Health Care System, Denver, CO, USA
    Circ Cardiovasc Qual Outcomes 5:523-31. 2012
  7. pmc Relationship between blood pressure and incident chronic kidney disease in hypertensive patients
    Rebecca Hanratty
    Denver Health, Denver, CO 80204, USA
    Clin J Am Soc Nephrol 6:2605-11. 2011
  8. doi request reprint Increased risk of bleeding in patients on clopidogrel therapy after drug-eluting stents implantation: insights from the HMO Research Network-Stent Registry (HMORN-stent)
    Thomas T Tsai
    Denver VA Medical Center, Denver, CO 80220, USA
    Circ Cardiovasc Interv 3:230-5. 2010
  9. ncbi request reprint Clopidogrel and long-term outcomes after stent implantation for acute coronary syndrome
    P Michael Ho
    Denver VA Medical Center, Denver, CO 80220, USA
    Am Heart J 154:846-51. 2007
  10. pmc Blood pressure trajectories and associations with treatment intensification, medication adherence, and outcomes among newly diagnosed coronary artery disease patients
    Thomas M Maddox
    Cardiology Section, Denver VAMC University of Colorado Denver, Denver, CO 80220, USA
    Circ Cardiovasc Qual Outcomes 3:347-57. 2010

Collaborators

Detail Information

Publications54

  1. doi request reprint Medication adherence: its importance in cardiovascular outcomes
    P Michael Ho
    Denver VA Medical Center, Denver, CO, USA
    Circulation 119:3028-35. 2009
    ....
  2. ncbi request reprint Risk of adverse outcomes associated with concomitant use of clopidogrel and proton pump inhibitors following acute coronary syndrome
    P Michael Ho
    Denver VA Medical Center, Denver, Colorado, USA
    JAMA 301:937-44. 2009
    ..Prior mechanistic studies reported that omeprazole decreases the platelet inhibitory effects of clopidogrel, yet the clinical significance of these findings is not clear...
  3. doi request reprint Medication nonadherence is associated with a broad range of adverse outcomes in patients with coronary artery disease
    P Michael Ho
    Cardiology Section, Denver VA Medical Center, Denver, CO, USA
    Am Heart J 155:772-9. 2008
    ..Little is known about the effect of nonadherence among patients with coronary artery disease (CAD) on a broad spectrum of outcomes including cardiovascular mortality, cardiovascular hospitalizations, and revascularization procedures...
  4. ncbi request reprint Implications of the failure to identify high-risk electrocardiogram findings for the quality of care of patients with acute myocardial infarction: results of the Emergency Department Quality in Myocardial Infarction (EDQMI) study
    Frederick A Masoudi
    Department of Medicine, Denver Health Medical Center, 777 Bannock St, Denver, CO 80204, USA
    Circulation 114:1565-71. 2006
    ..Our goal was to assess the prevalence of the failure to identify high-risk ECG findings in ED patients with AMI and to determine whether this failure is associated with lower-quality care...
  5. doi request reprint Delays in filling clopidogrel prescription after hospital discharge and adverse outcomes after drug-eluting stent implantation: implications for transitions of care
    P Michael Ho
    Institute for Health Research, Kaiser Permanente of Colorado, Denver, USA
    Circ Cardiovasc Qual Outcomes 3:261-6. 2010
    ..The frequency with which patients delay filling a clopidogrel prescription after DES implantation and the association of this delay with adverse outcomes is unknown...
  6. doi request reprint Clopidogrel use and hospital quality in medically managed patients with non-ST-segment-elevation myocardial infarction
    Thomas M Maddox
    VA Eastern Colorado Health Care System, Denver, CO, USA
    Circ Cardiovasc Qual Outcomes 5:523-31. 2012
    ..However, clopidogrel has historically been underused in this population. We evaluated contemporary rates of its use and evaluated associated factors, with a particular focus on hospital quality of myocardial infarction (MI) care...
  7. pmc Relationship between blood pressure and incident chronic kidney disease in hypertensive patients
    Rebecca Hanratty
    Denver Health, Denver, CO 80204, USA
    Clin J Am Soc Nephrol 6:2605-11. 2011
    ..Our objective was to identify risk factors for development of incident CKD and decline in estimated GFR (eGFR) in hypertensive patients...
  8. doi request reprint Increased risk of bleeding in patients on clopidogrel therapy after drug-eluting stents implantation: insights from the HMO Research Network-Stent Registry (HMORN-stent)
    Thomas T Tsai
    Denver VA Medical Center, Denver, CO 80220, USA
    Circ Cardiovasc Interv 3:230-5. 2010
    ..Little is known about the competing risk of bleeding from clopidogrel in "real world" clinical practice...
  9. ncbi request reprint Clopidogrel and long-term outcomes after stent implantation for acute coronary syndrome
    P Michael Ho
    Denver VA Medical Center, Denver, CO 80220, USA
    Am Heart J 154:846-51. 2007
    ..Little is known about the association between clopidogrel use and long-term outcomes after stent implantation for acute coronary syndromes (ACS) in clinical practice...
  10. pmc Blood pressure trajectories and associations with treatment intensification, medication adherence, and outcomes among newly diagnosed coronary artery disease patients
    Thomas M Maddox
    Cardiology Section, Denver VAMC University of Colorado Denver, Denver, CO 80220, USA
    Circ Cardiovasc Qual Outcomes 3:347-57. 2010
    ..However, longitudinal studies evaluating these relationships and outcomes are limited...
  11. doi request reprint Association of early follow-up after acute myocardial infarction with higher rates of medication use
    Stacie L Daugherty
    Department of Medicine, Division of Cardiology, University of Colorado Denver Health Sciences Center, Denver, CO, USA
    Arch Intern Med 168:485-91; discussion 492. 2008
    ..Early outpatient follow-up after acute myocardial infarction (AMI) is recommended in guidelines, but its relationship with the use of evidence-based therapies is unknown...
  12. pmc Sociodemographic and clinical characteristics are not clinically useful predictors of refill adherence in patients with hypertension
    John F Steiner
    Colorado Health Outcomes Program, The Department of Family Medicine, University of Colorado, Denver, CO, USA
    Circ Cardiovasc Qual Outcomes 2:451-7. 2009
    ..We attempted to develop clinical prediction rules for adherence with antihypertensive medications in 2 healthcare delivery systems...
  13. pmc Impaired heart rate recovery is associated with new-onset atrial fibrillation: a prospective cohort study
    Thomas M Maddox
    Cardiology Section, Denver VAMC, Denver, CO, USA
    BMC Cardiovasc Disord 9:11. 2009
    ..However, whether impaired HRR is associated with incident AF is unknown. We studied the association of impaired HRR with the development of incident AF, after controlling for demographic and clinical confounders...
  14. doi request reprint The prognostic importance of abnormal heart rate recovery and chronotropic response among exercise treadmill test patients
    Thomas M Maddox
    Denver VAMC University of Colorado Denver, Denver, CO 80209, USA
    Am Heart J 156:736-44. 2008
    ..However, little is known about their prognostic use in combination and in addition to the Duke Treadmill Score (DTS)...
  15. doi request reprint Adverse events after stopping clopidogrel in post-acute coronary syndrome patients: Insights from a large integrated healthcare delivery system
    P Michael Ho
    Denver VA Medical Center, CO, USA
    Circ Cardiovasc Qual Outcomes 3:303-8. 2010
    ..A prior study from the Veterans Health Administration found a clustering of cardiovascular events after clopidogrel cessation. We sought to confirm and expand these findings...
  16. pmc Impaired chronotropic response to exercise stress testing in patients with diabetes predicts future cardiovascular events
    P Michael Ho
    1Denver VA Medical Center, Denver, Colorado, USA
    Diabetes Care 31:1531-3. 2008
    ..To assess the association between impaired chronotropic response (CR) and adverse events among patients with diabetes referred for exercise treadmill testing (ETT)...
  17. doi request reprint Importance of therapy intensification and medication nonadherence for blood pressure control in patients with coronary disease
    P Michael Ho
    Cardiology Section, Denver Veterans Affairs Medical Center, 1055 Clermont St, Denver, CO 80220, USA
    Arch Intern Med 168:271-6. 2008
    ..Despite the importance of blood pressure (BP) control in secondary prevention, a significant proportion of patients with coronary disease have uncontrolled BP...
  18. pmc Severe mental illness and mortality of hospitalized ACS patients in the VHA
    Mary E Plomondon
    Cardiology Section, Denver VA Medical Center, Denver CO, USA
    BMC Health Serv Res 7:146. 2007
    ..We tested the hypothesis that SMI is associated with higher one-year mortality following ACS hospitalization...
  19. doi request reprint The influence of age on health status outcomes after acute myocardial infarction
    P Michael Ho
    Medical Service, Denver VA Medical Center, Denver, CO, USA
    Am Heart J 155:855-61. 2008
    ..Older age is a risk factor for higher mortality after acute myocardial infarction (AMI), but the association with health status outcomes is largely unexplored...
  20. ncbi request reprint A multimodal blood pressure control intervention in 3 healthcare systems
    David J Magid
    Institute for Health Research, Kaiser Permanente Colorado, Denver, USA
    Am J Manag Care 17:e96-103. 2011
    ....
  21. ncbi request reprint Health-related quality of life predicts mortality in older but not younger patients following cardiac surgery
    P Michael Ho
    Cardiology and Cardiovascular Outcomes Research, Denver VA Medical Center, Denver, CO 80220, USA
    Am J Geriatr Cardiol 14:176-82. 2005
    ..Preoperative patient self-report of health status may be particularly useful in refining risk stratification and informing decision-making before and following cardiac surgery in older patients...
  22. doi request reprint Contraindicated medication use in dialysis patients undergoing percutaneous coronary intervention
    Thomas T Tsai
    Denver VA Medical Center, Cardiology Section 111B, 1055 Clermont St, Denver, CO 80220, USA
    JAMA 302:2458-64. 2009
    ..Little is known about the use of such medications and their effects on outcomes in clinical practice...
  23. ncbi request reprint Normal coronary rates for elective angiography in the Veterans Affairs Healthcare System: insights from the VA CART program (veterans affairs clinical assessment reporting and tracking)
    Steven M Bradley
    University of Colorado School of Medicine, Aurora, Colorado VA Eastern Colorado Health Care System, Denver, Colorado Colorado Cardiovascular Outcomes Research Consortium, Denver, Colorado Electronic address
    J Am Coll Cardiol 63:417-26. 2014
    ..This study sought to determine if an integrated healthcare system is selective and consistent in the use of angiography, as reflected by normal coronary rates...
  24. doi request reprint A comparison between antihypertensive medication adherence and treatment intensification as potential clinical performance measures
    Rebecca Vigen
    University of Colorado, Denver, CO 80220, USA
    Circ Cardiovasc Qual Outcomes 5:276-82. 2012
    ....
  25. doi request reprint Impact of medication nonadherence on hospitalizations and mortality in heart failure
    Ashley A Fitzgerald
    Division of Cardiology, Denver VA Medical Center, Denver, Colorado, USA
    J Card Fail 17:664-9. 2011
    ..Limited literature exists on the association between medication adherence and outcomes among patients with heart failure...
  26. pmc Extension of Kaplan-Meier methods in observational studies with time-varying treatment
    Stanley Xu
    The Institute for Health Research, Kaiser Permanente Colorado, Denver, CO 80111, USA
    Value Health 15:167-74. 2012
    ..The objective of this research was to use adjusted Kaplan-Meier estimates and modified log-rank and Wilcoxon tests to examine the effect of a treatment that varies over time in an observational study...
  27. doi request reprint Incidence of death and acute myocardial infarction associated with stopping clopidogrel after acute coronary syndrome
    P Michael Ho
    Denver VA Medical Center, Denver, Colorado 80220, USA
    JAMA 299:532-9. 2008
    ..It is unknown whether patients are at increased short-term risk for adverse events following clopidogrel cessation...
  28. doi request reprint Association of exercise capacity on treadmill with future cardiac events in patients referred for exercise testing
    Pamela N Peterson
    Division of Cardiology, Department of Medicine, Denver Health Medical Center, Denver, Colorado 80204, USA
    Arch Intern Med 168:174-9. 2008
    ..Our objective was to determine the prognostic importance of exercise capacity for nonfatal cardiac events in a clinical population...
  29. ncbi request reprint Impact of medication therapy discontinuation on mortality after myocardial infarction
    P Michael Ho
    Denver Veterans Affairs Medical Center, CO, USA
    Arch Intern Med 166:1842-7. 2006
    ....
  30. pmc Adherence to cardioprotective medications and mortality among patients with diabetes and ischemic heart disease
    P Michael Ho
    Cardiology Section, Denver VA Medical Center, Denver, CO, USA
    BMC Cardiovasc Disord 6:48. 2006
    ..Clinical practice guidelines recommend multiple cardioprotective medications to reduce recurrent events. We evaluated the association between cardioprotective medication adherence and mortality among patients with diabetes and IHD...
  31. ncbi request reprint Systolic blood pressure control after participation in a hypertension intervention study
    Lesley K Welch
    Denver, CO 80220, USA
    Am J Manag Care 17:473-8. 2011
    ..To evaluate whether systolic blood pressure (SBP) control is maintained following participation in a multimodal hypertension intervention...
  32. ncbi request reprint Variations in coronary artery disease secondary prevention prescriptions among outpatient cardiology practices: insights from the NCDR (National Cardiovascular Data Registry)
    Thomas M Maddox
    Veterans Affairs Eastern Colorado Health Care System, Denver, Colorado University of Colorado School of Medicine, Denver, Colorado Colorado Cardiovascular Outcomes Research Consortium, Denver, Colorado Electronic address
    J Am Coll Cardiol 63:539-46. 2014
    ....
  33. ncbi request reprint Angina at 1 year after myocardial infarction: prevalence and associated findings
    Thomas M Maddox
    Cardiology Section 111B, Denver Veterans Affairs MedicalCenter, 1055 Clermont St, Denver, CO 80209, USA
    Arch Intern Med 168:1310-6. 2008
    ..Eradication of angina is a primary goal of care after myocardial infarction (MI). However, the prevalence of angina 1 year after MI and factors associated with it are unknown...
  34. ncbi request reprint Effect of medication nonadherence on hospitalization and mortality among patients with diabetes mellitus
    P Michael Ho
    Department of Medicine, Denver Veterans Affairs Medical Center, CO, USA
    Arch Intern Med 166:1836-41. 2006
    ..Medication nonadherence may reduce the effectiveness of therapies. To our knowledge, the association between medication nonadherence and mortality remains unexplored outside the context of clinical trials...
  35. ncbi request reprint Inpatient and follow-up cardiology care and mortality for acute coronary syndrome patients in the Veterans Health Administration
    P Michael Ho
    Medical Service, Denver VA Medical Center, Denver, CO, USA
    Am Heart J 154:489-94. 2007
    ..The impact of inpatient and follow-up cardiology care on patient outcomes after acute coronary syndrome (ACS) hospital discharge is unknown...
  36. ncbi request reprint Chest pain on exercise treadmill test predicts future cardiac hospitalizations
    P Michael Ho
    Denver VA Medical Center, USA
    Clin Cardiol 30:505-10. 2007
    ..The objective of this study was to determine the importance of chest pain during ETT in predicting future nonfatal cardiac hospitalizations...
  37. pmc The association between processes, structures and outcomes of secondary prevention care among VA ischemic heart disease patients
    P Michael Ho
    Department of Medicine, University of Colorado Health Sciences Center, Denver, CO, USA
    BMC Cardiovasc Disord 6:6. 2006
    ....
  38. doi request reprint Patient-centered adherence intervention after acute coronary syndrome hospitalization
    Anne Lambert-Kerzner
    Denver VA Medical Center, Denver, CO, USA
    Circ Cardiovasc Qual Outcomes 5:571-6. 2012
    ..Few interventions have specifically targeted this high-risk patient population to improve medication adherence. We hypothesize that a multifaceted patient-centered intervention could improve adherence to cardioprotective medications...
  39. ncbi request reprint Evaluating the evidence: is there a rigid hierarchy?
    P Michael Ho
    Denver Veterans Affairs Medical Center, University of Colorado Denver, Denver, CO 80204, USA
    Circulation 118:1675-84. 2008
  40. pmc Comparative effectiveness of angiotensin-converting enzyme inhibitors versus beta-blockers as second-line therapy for hypertension
    David J Magid
    Institute for Health Research, Kaiser Permanente Colorado, University of Colorado, 10065 E Harvard Ave, Denver, CO 80231, USA
    Circ Cardiovasc Qual Outcomes 3:453-8. 2010
    ..However, no trial has assessed the comparative effectiveness of 2nd-line therapy in patients whose BP was not controlled with a thiazide diuretic...
  41. doi request reprint Utilization of secondary prevention therapies in patients with nonobstructive coronary artery disease identified during cardiac catheterization: insights from the National Cardiovascular Data Registry Cath-PCI Registry
    Thomas M Maddox
    Denver VAMC University of Colorado Denver, USA
    Circ Cardiovasc Qual Outcomes 3:632-41. 2010
    ..Therefore, we compared rates of secondary prevention medication prescription between patients with nonobstructive and obstructive CAD...
  42. doi request reprint Patients' perspectives of a multifaceted intervention with a focus on technology: a qualitative analysis
    Anne Lambert-Kerzner
    Denver Veterans Affairs Medical Center, CO 80220, USA
    Circ Cardiovasc Qual Outcomes 3:668-74. 2010
    ..In the randomized study, the intervention resulted in clinically significant decreases in BP...
  43. ncbi request reprint Outcomes in patients with coronary heart disease who do not undergo lipid testing
    P Michael Ho
    Cardiology and Health Services Research, VAMC, 1055 Clermont Street 111B, Denver, CO 80220, USA
    Am J Cardiol 91:986-8, A7. 2003
  44. ncbi request reprint Predictors of health-related quality of life after coronary artery bypass surgery
    John S Rumsfeld
    Cardiology and Health Services Research, Denver VA Medical Center, University of Colorado Health Sciences Center, Denver, Colorado 80220, USA
    Ann Thorac Surg 77:1508-13. 2004
    ..Little is known about the determinants of health-related quality of life after coronary artery bypass surgery. We determined the predictors of overall physical and mental health status 6 months after the operation...
  45. doi request reprint Medication adherence and the patient with coronary artery disease: challenges for the practitioner
    Thomas M Maddox
    Denver VAMC, USA bUniversity of Colorado, Denver, CO 80220, USA
    Curr Opin Cardiol 24:468-72. 2009
    ..Despite its importance, nonadherence remains a significant problem among this population, and a variety of studies have sought to determine its prevalence, contributing factors, and interventions for improvement...
  46. ncbi request reprint Relationship of body mass index with outcomes after coronary artery bypass graft surgery
    Brandie D Wagner
    Division of Cardiac Research, Department of Veterans Affairs Medical Center, Eastern Colorado Health Care System, Denver, Colorado 80220, USA
    Ann Thorac Surg 84:10-6. 2007
    ..This study aims to investigate this association, and to uncover possible explanations for the lack of consensus across prior studies...
  47. ncbi request reprint Predictors of cognitive decline following coronary artery bypass graft surgery
    P Michael Ho
    Denver Veterans Affairs Medical Center, Denver, Colorado, USA
    Ann Thorac Surg 77:597-603; discussion 603. 2004
    ..Our objectives were to identify patient-related risk factors, processes of care, and the occurrence of any perioperative complications associated with cognitive decline...
  48. ncbi request reprint Adherence to dabigatran therapy and longitudinal patient outcomes: Insights from the Veterans Health Administration
    Supriya Shore
    Veterans Affairs Eastern Colorado Health Care System, Denver, CO University of Colorado School of Medicine, Aurora, CO Colorado Cardiovascular Outcomes Research Consortium, Denver, CO
    Am Heart J 167:810-7. 2014
    ..We aimed to describe adherence to dabigatran in the first year after initiation and assess the association between non-adherence to dabigatran and clinical outcomes in a large integrated healthcare system...
  49. ncbi request reprint Older emergency department patients with acute myocardial infarction receive lower quality of care than younger patients
    David J Magid
    Kaiser Permanente Clinical Research Unit, Denver, CO 90237 8066, USA
    Ann Emerg Med 46:14-21. 2005
    ..We assessed the independent relationship between age and the quality of medical care provided to patients presenting to the emergency department (ED) with acute myocardial infarction...
  50. pmc Beyond inpatient and outpatient care: alternative model for hypertension management
    P Michael Ho
    Cardiology Section, Denver VA Medical Center, 1055 Clermont Street 111B, Denver, Colorado 80220, USA
    BMC Public Health 6:257. 2006
    ..Although there may be challenges to achieving the vision of home-based disease management, there are tremendous potential benefits of such an approach for reducing the global burden of cardiovascular disease...
  51. ncbi request reprint Cardiac risk management in severe mental illness
    P Michael Ho
    Section of Cardiology, Denver Veterans Affairs Medical Center, University of Colorado Health Sciences Center, Denver, CO 80220, USA
    Lancet 367:1469-71. 2006
  52. ncbi request reprint Health-related quality-of-life outcomes among coronary artery bypass graft surgery patients
    Thomas M Maddox
    Assistant Professor, Department of Medicine, University of Colorado Health Science Center Staff Cardiologist, Section of Cardiology, Denver VAMC, Denver, CO, USA
    Expert Rev Pharmacoecon Outcomes Res 7:365-72. 2007
    ..We will also offer our view on the current state and future directions of HRQL assessment and use...
  53. ncbi request reprint Depression predicts mortality following cardiac valve surgery
    P Michael Ho
    Cardiology and Cardiovascular Outcomes Research, Denver VA Medical Center, Denver, Colorado, USA
    Ann Thorac Surg 79:1255-9. 2005
    ....
  54. ncbi request reprint Lack of an association between medicare supplemental insurance and delay in seeking emergency care for patients with myocardial infarction
    P Michael Ho
    Division of Cardiology, University of Colorado Health Sciences Center, Denver, CO, USA
    Ann Emerg Med 40:381-7. 2002
    ..We sought to determine whether the absence of supplemental Medicare coverage is associated with increased delay in seeking care for acute myocardial infarction...