MedicalResearch.com Interview with:
Andre Paixao, MD
Division of Cardiology
Emory University
Atlanta, GA, 30322.
Medical Research: What is the background for this study?
Dr. Paixao: Despite advances in cardiovascular prevention, coronary heart disease remains a major cause of morbidity and mortality. Understanding risk factor burden and control as well as perceived risk prior to acute myocardial infarction (MI) presentation may identify opportunities for system-based interventions to promote adherence to evidence based recommendations and improve overall cardiovascular health.
Medical Research: What are the main findings?Dr. Paixao: Our study assessed predicted risk and risk factor control prior to Myocardial Infarction (MI) presentation in 443,117 patients included in the NCDR ACTION Registry-GWTG. Only 36.1% of patients met all assessed risk factor control metrics (i.e. LDL cholesterol, non-HDL cholesterol, nonsmoking status and aspirin use among those with prior cardiovascular disease). Risk factor control was suboptimal in the primary and secondary prevention groups.
Prior cardiovascular disease was present in 41.6% of patients presenting with an acute MI. Among those without prior cardiovascular disease or diabetes, only 13.4% were classified as high risk based on the Framingham Risk Score. (more…)
MedicalResearch.com Interview with:
Henry J. Michtalik MD, MPH, MHS
Department of Medicine, Johns Hopkins University
Armstrong Institute for Patient Safety and Quality
Baltimore, Maryland
Medical Research: What is the background for this study? What are the main findings?
Dr. Michtalik: Current healthcare reform emphasizes providing high-value, evidence-based care. Compliance with practice guidelines and best-practices remains a challenge in the ever-changing healthcare environment. Multiple methods are typically used to enhance compliance with these guidelines, including physician education, computerized order entry systems with clinical decision support, provider feedback, and payment incentives. These strategies are used for many conditions, including heart failure and venous thromboembolism (VTE), blood clots.
The purpose of this study was to examine the impact of an individualized physician dashboard and pay-for-performance program on improving VTE prophylaxis rates amongst hospitalists. We performed a retrospective analysis of over 3000 inpatient admissions to a hospitalist service. We examined the impact of a web-based hospitalist dashboard which provided VTE prophylaxis feedback, both alone and in combination with a pay-for performance program which provided a small financial payment for achieving compliance rates greater than 80%.
We found that compliance significantly increased from 86% during baseline to 90% during the dashboard alone phase. Addition of the pay-for-performance program further increased compliance to 94%. The fastest improvement occurred during the dashboard only phase. Annual physician payments ranged from $53 to $1244, with 17 of the 19 payments under $1000.
(more…)
MedicalResearch.com Interview with:
Amneet Sandhu, MD
Department of Internal Medicine
Division of Cardiovascular Medicine
University of Colorado
Aurora, CO 80045.Medical Research: What is the background for this study? What are the main findings?
Dr. Sandhu: Control of hypertension has improved nationally to guideline recommended levels. To date, the focus of hypertensive care has been around identification and appropriate treatment to blood pressure goals. Less emphasis has been placed on maintenance of control or tracking patients with high rates of relapse after achieving control.
This study sought to assess the rate of recidivism in a cohort of hypertensive patients with controlled blood pressure and identify patient and process of care factors associated with recidivism. We found approximately 25% of hypertensive patients with baseline controlled blood pressure relapse over a median time period of 7.3 months. Patients with diabetes, high normal baseline blood pressure and poor medication adherence were more likely to suffer from recidivism.
(more…)
MedicalResearch.com Interview with:
Marya Viorst Gwadz, Ph.D
Senior Research Scientist Director,
Transdisciplinary Methods Core
Center for Drug Use and HIV Research (CDUHR)
New York University College of Nursing
New York, NY 10010Medical Research: What is the background for this study?
Dr. Gwadz: HIV is a major success story in that the tolerability, convenience, and efficacy of antiretroviral medications have improved dramatically over the last decade. A number of years ago in the course of another research study with vulnerable individuals infected with HIV in New York City, and we noticed that a substantial proportion of study participants were medically eligible for HIV medications, and had access to medications, but had declined or stopped taking them. We then turned our attention to understanding why this is the case, that is, to identify the individual, social, and structural barriers that persons living with HIV/AIDS (PLHA) experience to antiretroviral therapy. We focused in particular on African American/Black and Latino/Hispanic PLHA, because the overall emphasis of our research group at the NYU College of Nursing is the development and evaluation of culturally targeted intervention approaches to address health disparities. Around 2011, studies of the “HIV cascade of care” began to emerge, which highlighted the problem of poor engagement in HIV care and antiretroviral therapy nationally. The ultimate goal of HIV treatment is viral suppression, but at present, the Centers for Disease Control and Prevention (CDC) estimates that we have achieved that goal with only 30% of PLHA.
Medical Research: What kind of intervention approach that emerged from these background findings?Dr. Gwadz: We found that barriers to HIV medication are complex and multi-faceted for PLHA from African American/Black and Latino/Hispanic backgrounds. In particular, PLHA experience serious emotional barriers to the uptake of HIV medications, such as fear of side effects, stigma, and disclosure of HIV status. Further, high rates of substance use and mental health distress, and barriers to accessing services for these concerns, impede medication uptake. Moreover, PLHA who are wary of HIV medication tend to avoid HIV primary care, often because they do not want to feel pressured to take medications, or explain to their providers why they are not taking them. So poor engagement in HIV care, which is very common among PLHA, and low uptake of HIV medication are actually related problems.
With funding from the National Institute of Mental Health (grant #R34MH093352), and in collaboration with Mount Sinai Beth Israel and Mount Sinai St. Luke’s-Roosevelt Hospital Center, we developed a multi-component culturally targeted intervention grounded in the Motivational Interviewing approach that included three individual sessions, 12-24 weeks of patient navigation (as needed), up to five support groups with other PLHA who had declined medication, which were co-led by a “successful” peer who was engaged in HIV care and were taking HIV medication with good adherence. One novel aspect of the intervention was its focus on emotional barriers to HIV medication, and the program’s “no pressure, no judgment” stance, congruent with the Motivational Interviewing approach, was key to engaging participants into the study to talk about these difficult issues.
(more…)
MedicalResearch.com Interview with:
Sameer Bansilal, MD, MS
Asst. Prof.- Medicine and Cardiology
Clinical Trials & Global Health Studies
Icahn School of Medicine at Mount Sinai
Medical Research: What is the background for this study? What are the main findings?
Dr. Bansilal: Our group has previously published data from FREEDOM, COURAGE and BARI showing that adherence to recommended therapies are low in diabetic (DM) patients. We have spent the last decade developing a potential solution to this- the Fuster-Ferrer polypill. This study was done to better inform the association between levels of medication adherence and long term major adverse cardiovascular events (MACE) in high risk diabetic patients.
We analyzed a U.S. health insurers’ claims data for 19,962 high risk diabetic subjects. Using proportion of days covered (PDC) for 1 year after first refill, we stratified patients as fully adherent (FA≥80%), partially adherent (PA ≥40- ≤79%) or non-adherent (NA <40%) and examined the associations with a primary cardiovascualr outcome measure of death, myocardial infarction, stroke and coronary revascularization. We found that only 34% participants were fully adherent to therapy. When compared to being non-adherent at 2 yrs follow up,, being fully adherent was associated with a 28% lower rate of MACE; being partially adherent was associated with a 21% lower rate of MACE. Efforts towards improving adherence in diabetic subjects may lead to substantial reductions in MACE.
(more…)
MedicalResearch.com Interview with:
Avinash Pandey, the study author, is a high school student who conducted this study under the guidance of his mentor, Niteesh K. Choudhry., M.D., Ph.D., executive director of the Center for Healthcare Delivery Sciences, Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass.
Medical Research: What is the background for this study? What are the main findings?Response: Numerous studies have demonstrated that there is poor adherence to medications in cardiac patients (coronary artery disease patients, CAD). Despite the fact that non-adherence to these medications can have serious consequences on long-term health like disease progression, increased risk of cardiac events and premature mortality, many patients consistently miss their medications and many stop their medications only months after they are prescribed. This non-compliance leads to high costs for the health care system and more potentially preventable cardiac events. Studies suggest, that for the vast majority of patients, non-adherence to medications is not intentional. A significant portion simply forget to take their medications. Although many systems are available today to reduce medication non-adherence, like pill boxes and blisterpacks, these have demonstrated limited effect on medication adherence. Other systems may be expensive to purchase and cumbersome to use or of limited availability. With the proliferation of cellphones, text message reminders could represent a simple, cost-effective method to improve adherence to medications.
This research began as a high school science fair project 4 years ago and has evolved into a large ongoing assessment of the impact of mobile technologies on adherence to evidence based therapies and lifestyle interventions in a broad cross-section of cardiovascular patients and those at risk for cardiovascular disease. The current report examines the impact of an automated computer program which sends free, personalized text messages to remind patients to adhere to their medications. 30 CAD patients were recruited from a single centre cardiac practice, in this 2 month cross-over study. Patients were randomized to either receive text message reminders in the first month or the second month. Adherence of each patient was compared between months. Text message reminders were shown to significantly impact medication adherence. Patients missed on average 60% less doses when receiving text message reminders. These numbers were even greater when looking at pre-specified groups identified in previous studies to be at high risk of medication non-adherence, including depression patients, dementia patients, elderly patients, and patients with less than 12 years of education. All patients improved with text message reminders but those with the lowest adherence improved the most. Although this study did not examine clinical outcomes, the text message reminder system appears to be a simple and widely applicable method to improve adherence to medications. The system is free to operate and represents no cost for patients receiving messages. Thus it could be implemented at an individual level or by physicians and clinics to improve patient adherence to medications.
(more…)
MedicalResearch.com Interview with:
Dr. Yang Lu Ph.D
Los Angeles Biomedical Research Institute
Dr. Lu’s research interests include utilization, cost and treatment regimen adherence of chronic conditions, such as obesity and diabetes; behavioral economic interventions, and cost effectiveness studiesMedicalResearch: What is the background for this study?Response: Non-adherence is a serious issue in type 1 diabetes management. It leads to
poor glycemic control and peaks in adolescence and young adulthood. Peer
support is critical for young patients yet few studies examined whether
pairing youth with slightly older and more experienced peers with diabetes
improves their diabetes self-management and glycemic control.
This study had two aims:
(1) assess whether adolescents (as prospective mentees) and young
adults (as prospective mentors) with diabetes would be interested in peer
mentoring as a way to improve adherence, and
(2) identify contents and delivery modes for a peer mentoring topic from the perspective of patients and their parents. Fifty-four adolescents and 46 young adults with type 1
diabetes were surveyed.
(more…)
MedicalResearch.com Interview with:
Robert Hutchins, M.D., M.P.H.Department of Medicine, Division of General Internal Medicine
UCSF
Medical Research: What is the background for this study? What are the main findings?
Dr. Hutchins: "Utility" refers to the effect on quality of life that a certain intervention carries and a utility value generally varies from 0-1.0. The more negative the effect is, the lower the utility value (closer to 0), and the less it affects quality of life, the closer to 1.0 it is. On a theoretical scale, "perfect health" is 1.0 and death is 0. There are a number of studies that -- USE a utility value for taking pills, generally between 0.95 and 1.0. However, many cost-effectiveness analyses ignore the utility value altogether, or arbitrarily choose 1.0 as the utility. We found that a small change in the utility value can have a very large effect on the overall cost-effectiveness of an intervention. We found that the utility value of taking pills, assessed by three different commonly used methods, to be 0.990-0.994, depending on the method.
(more…)
MedicalResearch.com Interview with:
Richard J. Holden, PhD Assistant Professor
Department of BioHealth Informatics
Indiana University
School of Informatics and Computing – Indianapolis
Indianapolis, IN 46202
Medical Research: What was your motivation for this study?Dr. Holden: Many patients arrive in the emergency room with acute heart failure (AHF), a worsening of their chronic heart failure condition. These visits and subsequent hospital admissions and readmissions for acute heart failure represent a sizeable cost in the US healthcare system. Evidence suggests that some of these cases could be prevented if patients were better able to perform self-care activities such as monitoring their symptoms, taking medications, getting exercise, and maintaining a sodium-restricted diet. However, in community-based studies that we and others have done, patients with heart failure face a variety of barriers to optimally performing self-care. We therefore created an instrument to assess barriers to self-care, which we designed to be implemented in the emergency room. We tested the instrument with 31 patients with acute heart failure at Vanderbilt University’s adult Emergency Department.
Medical Research: What are the main findings?Dr. Holden: Almost everyone who participated reported experiencing barriers to self-care. A median of 15 barriers per patient were reported. Of the 47 barriers that we tested, 34 were reported by at least one quarter of participants. The top ten most prevalent barriers included individual-level factors such as physical disability, disease knowledge, and memory deficits as well as factors related to the organization of home life, including major disruptions such as holidays. Other barriers were related to inadequate health information, low literacy, and lack of resources. Many barriers interacted with one another, for example, lack of transportation yet not wanting to rely on others. We found that the instrument could be feasibly administered within a short period following the patient’s emergency room arrival.
(more…)
MedicalResearch.com Interview with:
Amy Chan
BPharm(Hons) RegPharmNZ MPS ANZCP
Pharmacist / PhD candidate
Department of Paediatrics Auckland Hospital
Faculty of Medical & Health Sciences
University of Auckland Auckland, New Zealand
Medical Research: What is the background for this study? What are the main findings?
Response: Asthma is one of the most common childhood conditions, affecting 1 in 4 children in New Zealand. Although there are many effective medications available for asthma, of which the most important are inhaled corticosteroids, asthma control remains suboptimal due to poor adherence. In children, adherence to regular preventive asthma therapy is about 50%, and can be as low as 30%. Our randomised controlled trial looked at use of an electronic monitoring device with an in-built audiovisual reminder to see if it improved adherence and asthma control. We recruited 220 children aged between 6-15yrs, who presented to the emergency department with asthma and randomised them to receive the device either with the audiovisual function enabled or disabled. It found that those who received the audiovisual reminder (the intervention arm) took a median of 84% of their inhaled corticosteroids compared to just 30% in those who did not receive the reminder (control arm). This equates to a 180% improvement in adherence. We found significant improvements also in asthma control (including reduced asthma symptoms and increased participation in daily activities) and a reduction in reliever use from 17.4% to 9.5% in those who received the reminder. (more…)
MedicalResearch.com Interview with: Mallika L. Mendu, M.D.
Division of Renal Medicine
Brigham and Women’s Hospital
Boston, MA 02115.
Medical Research: What are the main findings of the study?Dr. Mendu: Our study found that implementation of a chronic kidney disease (CKD) checklist, a tool that succinctly and clearly outlines CKD management guidelines, in a primary care clinic improved adherence to a number of significant management guidelines. We conducted a prospective study during a one year period among 13 primary care providers, four of whom were assigned to use a CKD checklist incorporated into the electronic medical record during visits with patients with CKD. Patients whose providers utilized a CKD checklist had higher rates of adherence to annual albuminuria testing, parathyroid hormone testing, phosphate testing, achieving a hemoglobin A1c target<7, documentation of avoidance of nonsteroidal anti-inflammatory drugs, use of an angiotensin-converting enzyme inhibitor or angiotensin-receptor blocker and vaccination for annual influenza and 5-year pneumococcus.
(more…)
MedicalResearch.com Interview with: Dr. Heli Halava:
Departments of Public Health and Pharmacology,
Turku, Finland
MedicalResearch: What are the main findings of the study?Dr. Halava: The associations between lifestyle factors and nonadherence to statin therapy varied by cardiovascular comorbidity status. Of the participants without cardiovascular comorbidities (n = 6458), 3171 (49.1%) were nonadherent with their statin therapy. Of the participants with cardiovascular comorbidities (n = 2827), 1155 (40.9%) were nonadherent.
People with cardiovascular comorbidities who had risky drinking behaviours or a cluster of lifestyle risks were at increased risk of nonadherence.
(more…)
MedicalResearch.com Interview with:
Chandra Y. Osborn, PhD, MPH
Assistant Professor of Medicine & Biomedical Informatics
Division of General Internal Medicine & Public Health
Center for Health Services Research
Vanderbilt University Medical Center
Nashville, TN 37232-8300
MedicalResearch.com: What are the main findings of your study?Dr. Osborn: We found that knowing how to take your diabetes medications (e.g., what to do if a dose is missed), believing medications are good for you, and having the appropriate skills to take them regardless of the situation (e.g., when life is busy, when in public) accounts for 41% of why people successfully take their diabetes medications, which, in turn, explains 9% of their glycemic control.
(more…)
MedicalResearch.com Interview with: Dawn L. Hershman, MD MS
Associate Professor of Medicine and Epidemiology
Leader, Breast Cancer Program
Herbert Irving Comprehensive Cancer Center
Columbia University Medical Center
MedicalResearch.com: What are the main findings of the study?Dr. Hershman: We have found in the past that compliance to 5 years of hormone therapy for the adjuvant treatment of breast cancer is low. While toxicity is a main reason, other factors are also important. Recent studies suggest out of pocket costs are high among cancer patients. We evaluated the change in adherence to hormone therapy after the introduction of generic Aromatase inhibitors. We found that discontinuation decreased and adherence increased with generic aromatase inhibitors compared to brand name. we found that higher co-payments were associated with decreased adherence and increased discontinuation. We also found that patients in the highest income group were more likely to be adherent to hormone therapy.
(more…)
MedicalResearch.com Interview withProfessor Stefan Priebe, Dipl.-Psych., Dr. med. habil., FRCPsych
Unit for Social and Community Psychiatry
WHO Collaborating Centre for Mental Health Services Development
Queen Mary, University of London
MedicalResearch.com: What are the main findings of the study?Answer: Offering modest financial incentives can help patients to achieve better adherence to anti-psychotic maintenance medication. (more…)
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