Tag Archives for Ph.D.

Taking a Look at Physical Activity and Cardiac Health

Published in Woonsocket Call on March 8, 2020

Spring time is coming. Get out your walking shoes…

Physical exercise (that doesn’t have to be strenuous to be effective) can lead to longer, healthier lives, according to two preliminary research study findings presented at the American Heart Association’s Epidemiology and Prevention | Lifestyle and Cardiometabolic P Scientific Sessions 2020. The EPI Scientific Sessions, held March 3-6 in Phoenix, is considered to be the premier global exchange of the latest advances in population-based cardiovascular science for researchers and clinicians.

“Finding a way to physically move more in an activity that suits your capabilities and is pleasurable is extremely important for all people, and especially for older people who may have risk factors for cardiovascular diseases. Physical activities such as brisk walking can help manage high blood pressure and high cholesterol, improve glucose control among many benefits,” said Barry A. Franklin, Ph.D., past chair of both the American Heart Association’s Council on Physical Activity and Metabolism and the National Advocacy Committee, director of preventive cardiology and cardiac rehabilitation at Beaumont Health in Royal Oak, Michigan, and professor of internal medicine at Oakland University William Beaumont School of Medicine in Rochester, Michigan.

In one session, Dr. Andrea Z. LaCroix, Ph.D., of the University of California San Diego (UCSD), presented her study’s findings that showed the importance of walking, stressing that every step counts in reducing cardiovascular disease deaths among older women.

USCD’s study was supported by The National Heart, Lung, and Blood Institute of the National Institutes of Health.

According to the UCSD study’s findings, women who walked 2,100 to 4,500 steps daily reduced their risk of dying from cardiovascular diseases (including heart attacks, heart failure, and stroke) by up to 38 percent, compared to women who walked less than 2,100 daily steps. The women who walked more than 4,500 steps per day reduced their risk by 48 percent, in this study of over 6,000 women with an average age of 79.

LaCroix says that the UCSD study’s findings also indicated that the cardio-protective effect of more steps taken per day was present even after the researchers took into consideration heart disease risk factors, including obesity, elevated cholesterol, blood pressure, triglycerides and/or blood sugar levels, and was not dependent on how fast the women walked.

“Despite popular beliefs, there is little evidence that people need to aim for 10,000 steps daily to get cardiovascular benefits from walking. Our study showed that getting just over 4,500 steps per day is strongly associated with reduced risk of dying from cardiovascular disease in older women,” said LaCroix, the lead study author who serves as distinguished professor and chief of epidemiology at the UCSD. Co-authors of the study are John Bellettiere, Ph.D., mph; Chongzhi Di, Ph.D.; Michael J. Lamonte, Ph.D., M.P.H.

“Taking more steps per day, even just a few more, is achievable, and step counts are an easy-to-understand way to measure how much we are moving. There are many inexpensive wearable devices to choose from. Our research shows that older women reduce their risk of heart disease by moving more in their daily life, including light activity and taking more steps. Being up and about, instead of sitting, is good for your heart,” said LaCroix.

LaCroix’s study included more than 6,000 women enrolled in the Women’s Health Initiative with an average age of 79 who wore an accelerometer on their waist to measure their physical activity for seven days in a row; these participants were followed for up to seven years for heart disease death.

This study was prospective, and half of the participants were African-American or Hispanic, stated LaCroix, noting that the use of an accelerometer to measure movement is a strength of the study. However, the study did not include men or people younger than 60, she said, calling for future research to examine step counts and other measures of daily activity across the adult age range among both men and women.

In another session, Joowon Lee, Ph.D., a researcher at Boston University (BU) in Boston, noted that higher levels of light physical activity are associated with lower risk of death from any cause.

According to the findings of BU’s study, older adults were 67 percent less likely to die of any cause if they were moderately or vigorously physically active for at least 150 minutes per week, (a goal recommended by the American Heart Association) compared to people who exercised less.

However, the researchers observed that, among the participants with an average age of 69, physical activity doesn’t have to be strenuous to be effective. Each 30-minute interval of light-intensity physical activities – such as doing household chores or casual walking – was associated with a 20 percent lower risk of dying from any cause, they said, noting that on the other hand, every additional 30-minutes of being sedentary was related to a 32 percent higher risk of dying from any cause.

“Promoting light-intensity physical activity and reducing sedentary time may be a more practical alternative among older adults,” said Joowon.

The BU research study, supported by the National Heart, Lung, and Blood Institute of the National Institutes of Health, evaluated physical activity levels of 1,262 participants from the ongoing Framingham Offspring Study. These participants were an average age of 69 (54 percent women), and they were instructed to wear a device that objectively measured physical activity for at least 10 hours a day, for at least four days a week between 2011 and 2014.

The researchers say that the strengths of this study include its large sample size and the use of a wearable device to objectively measure physical activity. However, the participants of the Framingham Offspring Study are white, so it is unclear if these findings would be consistent for other racial groups, they note.

Co-authors of the study are Nicole L. Spartano, Ph.D.; Ramachandran S. Vasan, M.D. and Vanessa Xanthakis Ph.D.

AAIC 2019 Concludes, Researchers Share Findings to Combat Alzheimer’s disease

Published in the Woonsocket Call on July 20, 2019

Thousands of the world’s leading professionals, involved in dementia care and neuroscience research, came at the Los Angeles Convention Center from July 13 to July 18, 2019, to attend the Alzheimer’s Association International Conference® to learn about the findings of the latest Alzheimer’s disease clinical trial and a government-driven public/private initiative to speed them up.

AAIC® is considered to be the largest and most influential international meeting with a mission to advancing dementia research. Every year, AAIC® brings together the world’s leading basic science and clinical researchers, next-generation investigators, clinicians and the care research community, to share research findings that’ll lead to methods of preventing, treating, and improving the diagnosis of Alzheimer’s disease.

“It is clear, and has been for some years that the (Alzheimer’s) field needs to explore other options, and diversify the portfolio of targets. A renewed energy has been brought about by a fivefold increase in Alzheimer’s research funding at the federal level. These gains will propel already-established efforts by the National Institute on Aging, Alzheimer’s Association and others to diversify (therapeutic) targets,” said Maria C. Carrillo, Ph.D., Alzheimer’s Association chief science officer, in a July 17 statement publicizing research findings from the international conference.

Hundreds of Findings of Clinical Trials Shared

According to the Chicago-based Alzheimer’s Association, “a record number of scientific abstracts – more than 3,400 – were submitted to AAIC this year, including 229 abstracts with results from or descriptions of Alzheimer’s clinical trials. AAIC 2019 also spotlighted three clinical trials using innovative methods and targets.”

At AAIC 2019, attendees were updated about the activities of the Accelerating Medicine Partnership-Alzheimer’s Disease (AMP-AD), a partnership among government, industry, and nonprofit organizations (including the Alzheimer’s Association) that focuses on discovering, validating and accelerating new drug targets. The Alzheimer’s Association says that this $225 million research initiative is made possible through the highest-ever levels of U.S. federal funding for research on Alzheimer’s and other dementias, approved and allocated in the last five years.

“This is an example of how the government and private entities and researchers can work together [via AMP-AD funded studies] on providing the resources necessary to expand our abilities to test new drugs and find a treatment for Alzheimer’s disease, and, hopefully find a cure,” said Donna M. McGowan, Executive Director of the Alzheimer’s Association, Rhode Island Chapter. “Rhode Island has tremendous researchers, and they are at the forefront of this initiative. they need the tools to increase their scope of work.”

Adds Maria C. Carrillo, Ph.D., Alzheimer’s Association chief science officer, “It is clear, and has been for some years that the field needs to explore other options, other avenues, and diversify the portfolio of targets. A renewed energy has been brought about by a fivefold increase in Alzheimer’s research funding at the federal level, achieved largely due to efforts by the Alzheimer’s Association, the Alzheimer’s Impact Movement, and our ferocious advocates. These gains will propel already-established efforts by the National Institute on Aging, Alzheimer’s Association and others to diversify the portfolio of drug targets for the scientific community.”

The achievements of the AMP-AD Target Discovery Project were highlighted in a series of presentations by the leading AMP-AD investigators at AAIC 2019.

One study noted for the first time, 18-month results from an open-label extension of inhaled insulin in Mild Cognitive Impairment and Alzheimer’s including significant benefits for memory ad thinking, day to day functioning, and biological markers of Alzheimer’s.

Another described a newly-initiated 48-week Phase 2/3 clinical trial of a drug targeting toxic proteins released in the brain by the bacterium, P. gingivalis, generally associated with degenerative gum disease. Previous research findings identified the bacterium in brains of more than 90 percent of people with Alzheimer’s across multiple studies and demonstrated that infection may trigger Alzheimer’s pathology in the brain.

Can lifestyle Interventions Promote Brain Health?

There was also an update on the Alzheimer’s Association U.S. Study to Protect Brain health Through Lifestyle Intervention to Reduce Risk (U.S. POINTER) study, now up and running in multiple locations. The U.S. POINTER is a two-year clinical trial to evaluate whether intensive lifestyle interventions that target many risk factors for cognitive decline and dementia can protect cognitive function in older adults at increased risk for cognitive impairment and dementia. Researchers will compare the effects of two lifestyle interventions on brain health in older adults at risk for memory loss in the future. The U.S. POINTER is the first such study to be conducted in a large group of Americans across the United States.

The researchers say people age 60 to 79 will be randomly assigned to one of two lifestyle interventions. Both groups will be encouraged to include more physical and cognitive activity and a healthier diet into their lives and will receive regular monitoring of blood pressure and other health measurements. Participants in one intervention group will design a lifestyle program that best fits their own needs and schedules. Participants in the other intervention group will follow a specific program that includes weekly healthy lifestyle activities.

Laura Baker, Ph.D., associate professor of gerontology and geriatric medicine at Wake Forest School of Medicine, and one of the principal investigators of the U.S. POINTER study, said, “Lifestyle interventions focused on combining healthy diet, physical activity and social and intellectual challenges represent a promising therapeutic strategy to protect brain health.”

“U.S. POINTER provides an unprecedented opportunity to test whether intensive lifestyle modification can protect cognitive function in older Americans who are at increased risk of cognitive decline and dementia,” Baker added.

“We envision a future where we can treat and even prevent Alzheimer’s through a combination of brain-healthy lifestyle and targeted medicines, as we do now with heart disease,” Carrillo said. “We hope to prevent millions from dying with Alzheimer’s and reduce the terrible impact this disease has on families.”

For more details about research findings presented at AAIC 2019, http://www.alz.org/aaic

Caregivers Flying Blind in Providing Complex Medical and Nursing Care

Published in the Woonsocket Call on April 21, 2019

Half of the nation’s 40 million family caregivers are performing intense and complicated medical and nursing tasks, managing multiple health conditions for their family members and friends, says a newly published AARP report.

AARP’s special report, “Home Alone Revisited: Family Caregivers Providing Complex Care,” released April 17, 2019, takes a close look at specific medical and nursing tasks (including giving injections, preparing special diets, managing tube feedings and even handling medical equipment) that family caregivers are currently doing. It’s a follow-up report to AARP’s 2012 Home Alone Study that took the first in-depth look at how caregivers managed providing complex medical and nursing care that was formerly offered by trained professionals.

Changes in the Health Care System Can Support Family Caregivers

“This report shows the extent of complex tasks that millions of family caregivers are providing every day. They are largely alone in learning how to perform these tasks,” said Susan Reinhard, RN, Ph.D., Senior vice president and Director, AARP Policy Institute, in a statement announcing the release of the a 56-page report. “About half of family caregivers are worried about making a mistake. We need to do a lot more across the health care system—with providers and hospitals—to help support these family caregivers,” says Reinhard.

Adds Rani E. Snyder, program director at The John A. Hartford Foundation, “Family caregivers are the linchpin in our health care system, particularly for older adults,” “This study shines new light on the diversity of family caregivers performing complex tasks—from men to millennials to multicultural populations—and is a rallying cry for an all hands-on-deck approach to creating age-friendly health systems that better support and prepare these often forgotten members of the health care team.”

The new statistics in this report shed more light on the demands of family caregiving,” said AARP Rhode Island State Director Kathleen Connell, a former nurse. “These described caregiving responsibilities sound like a task list for a team of home nurses, aides, dieticians, physical therapists and personal drivers who work without weekends off, much less vacations. Is there any question that people worry about making a mistake that compounds existing issues?,” she says.

“The takeaway is quite clear,” Connell added. “Caregiving is stressful and we need to expand efforts to provide assistance. And it’s a very big ‘we’ that I am speaking of. Families need to help out and share more responsibilities as well as offer respite for primary caregivers. Neighbors and extended family also can lend a hand. And we need government to continue to provide assistance through legislation that supports family caregivers. Caregiving responsibilities can be both daunting and exhausting. It’s the new reality. The good news is that as we raise awareness we can work together to improve the lives of caregivers, “ says Connell.

A Sampling of the AARP Report’s Findings

AARP’s Home Alone Revised Report report found that almost half of the caregiver respondents (48 percent) prepare special diets multiple times per day. Preparing these meals often involved taking precise measurements, following specific dietary guidelines, constant monitoring, and the use of special equipment for preparation and feeding.

Thirty percent of the respondents say preparing special diets are hard to manage, this being more challenging to men. Younger caregivers found it more difficult to manage this task than older caregivers.

The caregivers also reported that 54 percent of the survey’s respondents say they manage incontinence multiple times a day. Most say managing incontinence is more difficult than managing medications, helping with assistive devices and performing wound care. Seventy-six percent say they learned how to manage incontinence on their own. More than one in four would appreciate having assistance from another person to help.

According to AARP’s report, 70 percent of these caregivers are dealing with the emotional stress of managing pain relief in the middle of a national opioid crisis. More than four in 10 expressed concerns about giving the optimal dose. About four in 10 faced difficulties in controlling the pain of the care recipient.

Finally, 51 percent of the survey respondents assisted with canes, walkers, and other mobility devices while over a third (37 percent) dealt with wound care.

The researchers conclude that “uncomplicated world of ‘informal’ caregiving” no longer applies” to the nation’s caregivers. “In the current health care environment, it is presumed that every home is a potential hospital and every service that the person needs can be provided by an unpaid family member, with only occasional visits by a primary care provider, nurse or therapist,” say the researchers,” they say.

AARP’s Home Alone Revised Report is a must read for Congress and state lawmakers who can easily address the challenges caregivers face when providing medically complex care by crafting policies and programs that will provide support and resources to the nation’s growing number of caregivers.

This caregiving issue might be a good one for the U.S. Senate Special Committee Aging to study.

A Final Note…

AARP gathered the study’s data through a nationally representative, population-based, online survey of 2,089 family caregivers. This study employed an oversampling of multicultural groups, taking a closer look at difficult tasks, and putting greater attention on available resources and outcomes. The study’s sampling strategy ensured multicultural representation and investigated generational differences. Additionally, the researchers also explored certain topics in greater depth, including special diets, incontinence, pain, and the impact of social isolation on the caregiver.

The AARP Home Alone Study is a special report from the Founders of the Home Alone Alliance℠ (AARP, United Hospital Fund, Family Caregiver Alliance and UC Davis-Betty Irene Moore School of Nursing). With funding from The John A. Hartford Foundation to the AARP Foundation, the study took an in-depth look at the specific medical/nursing tasks that family caregivers are doing.

To read the full report, go to: https://www.AARP.org/ppi/info-2018/home-alone-family-caregivers-providing-complex-chronic-care.html.

Note: Updated April 22, 2018…