Latest / Morning Medical with Dr. Chow / NashvilleHealth Model, Cyclospora Outbreak, and Long COVID Treatments

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NashvilleHealth Model, Cyclospora Outbreak, and Long COVID Treatments · Morning Medical with Dr. Chow

0:00
Welcome back to another episode of Morning Medical with Dr.
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Chow.
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I'm your host, Dr.
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Chi-Ming Chow, and today we're diving into an important topic: "Why Health Care Alone Will
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Never Make A City Healthy." This is based on an insightful piece by Bill Frist, a contributor
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to Forbes, and it raises some crucial points about the broader determinants of health.
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Now, you might think that having a bustling health care scene with top-notch hospitals,
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skilled physicians, and innovative medical companies would naturally lead to a healthier
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city.
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But as Bill Frist points out using Nashville as a case study, that's not always the case.
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Despite being a health care services capital, Nashville was, and in some ways still is,
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trailing behind its peers in terms of population health metrics.
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Frist highlights that health care, while essential, happens in controlled environments
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like clinics and hospitals.
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Health, on the other hand, is influenced by factors we encounter every day—in our
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neighborhoods, schools, workplaces, and homes.
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It's about whether nutritious food is accessible, if transportation is available, and
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whether our communities are safe and supportive.
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This understanding led to the creation of NashvilleHealth, an organization aimed at
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addressing these broader determinants of health.
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The initiative focuses on listening to the community, identifying gaps in health care
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delivery, and fostering collaboration among various sectors.
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It's about creating a coordinated, data-informed, and sustained cross-sector
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collaboration to tackle issues like chronic disease and food insecurity.
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One of the standout projects under NashvilleHealth is the Heart of Nashville
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initiative.
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This program focuses on managing hypertension by integrating clinical care with non-medical
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supports such as access to heart-healthy meals and transportation.
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The results have been promising, with many patients showing significant improvement in
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their blood pressure levels.
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The success of these initiatives underscores a vital lesson: improving health requires more
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than just expanding health care capacity.
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We need to build civic infrastructure that connects medical care with essential services
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like food access and transportation.
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This approach not only treats diseases but helps prevent them by addressing the conditions
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that influence health on a daily basis.
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The model pioneered by NashvilleHealth is something that other cities can adapt.
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It requires a trusted convener, shared goals, and a commitment to listening and
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collaboration.
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By aligning various community efforts, we can create a culture of health that extends beyond
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hospital walls and into the fabric of everyday life.
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So, as we consider how to make our cities healthier, let's remember that it's not just
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about having more hospitals or doctors.
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It's about creating an environment where the healthy choice is the easy choice and ensuring
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everyone has the opportunity to live a healthy life.
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That's the vision NashvilleHealth is working towards, and it's a model worth emulating.
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Let's dive into the world of health trackers, those nifty gadgets like Apple Watches,
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FitBits, and Oura Rings that many of us are wearing these days.
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They're designed to provide a wealth of real-time data about our body's performance.
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But with so much information at our fingertips, what should we really be focusing on?
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Dr.
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Ami Bhatt from the American College of Cardiology emphasizes that the best health
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metric is the one that leads to actions improving your health.
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This is an important point because while these devices track various metrics, not all of them
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are equally useful or actionable.
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Dr.
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Michael Joyner at the Mayo Clinic offers a simple framework to evaluate these metrics: Is
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the data measurable?
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Is it meaningful?
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And is it actionable?
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If a metric lacks one of these, it might not influence long-term health outcomes.
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One popular metric is heart rate variability, or HRV, which measures the variations in your
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heartbeat rhythm.
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While a higher HRV generally indicates better health, Dr.
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Joyner notes that there's no universal definition for what's considered high or low
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HRV, and no specific interventions to improve it.
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The best advice remains the same: eat well, exercise, and avoid smoking and excessive
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drinking.
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Dr.
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Bhatt points out that traditional metrics like blood pressure and cholesterol levels remain
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the cornerstones of assessing heart health.
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Wearables offer value by tracking long-term trends, helping users recognize changes in
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their normal health patterns.
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If you notice a consistent change in metrics like resting heart rate, it's worth consulting
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a physician.
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It's crucial to have realistic expectations about what wearables can offer.
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For example, metrics designed to assess stress and recovery might not be as reliable as simply
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asking yourself how you feel.
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Moreover, over-focusing on sleep data can sometimes lead to more sleep issues, a
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phenomenon called "orthosomnia."
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Despite these limitations, wearables can still be beneficial.
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They help establish personal baselines and can alert users to significant changes in their
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health.
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For instance, people with congenital heart failure might find ongoing heart monitoring via
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wearables invaluable.
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Even for the average person, wearables can encourage more physical activity, which is a
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boon for health.
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The potential for wearables to integrate with broader health care systems is immense.
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Future devices will likely be more precise and incorporate artificial intelligence to provide
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deeper health insights.
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For now, the key is to use them in a way that motivates you to make healthier choices without
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becoming overly anxious about the data.
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Today, we're addressing an important health alert: an outbreak of diarrhea caused by the
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parasite cyclospora has hit at least 1,400 people across several states in the United
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States.
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This outbreak, with Michigan as its epicenter, has resulted in more than 1,200 cases in the
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state alone.
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Other states, including Ohio, New York, Illinois, Indiana, North Carolina, and Texas,
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have also reported cases, though it's not clear if they're all part of the same outbreak.
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Cyclosporiasis is not typically life-threatening, but it is certainly something
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you want to avoid.
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The symptoms, which include watery diarrhea, cramping, and bloating, can lead to dehydration
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and even hospitalization in severe cases.
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Unlike more common gastrointestinal illnesses that might resolve in a day or two,
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cyclosporiasis can last for weeks or even months, often with a relapsing pattern.
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This can significantly wear down the body, making recovery a prolonged process.
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Dr.
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Caitlin Rivers, an epidemiologist at the Johns Hopkins Center for Health Security, notes that
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cyclosporiasis doesn't spread directly from person to person.
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Instead, you contract it by consuming food or water that was contaminated weeks earlier.
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This often includes fresh produce or water from recreational sources like swimming pools,
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lakes, and rivers.
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Unfortunately, this parasite is resistant to bleach, making it a tough contender in
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chlorinated water environments.
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Given the current outbreak, it's advisable to avoid public swimming areas if there's an
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outbreak in your vicinity.
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When it comes to fresh fruits and vegetables, cooking them to an internal temperature of at
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least 158 degrees Fahrenheit can kill the cyclospora parasite.
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If cooking isn't an option, thoroughly washing your produce is the next best step.
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Use a mixture of one part vinegar to three parts water, as studies suggest this can help
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remove most cyclospora spores, though it may not eliminate all.
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For those particularly vulnerable, such as the elderly or individuals with compromised immune
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systems, it may be wise to avoid raw produce that has previously been implicated in
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outbreaks.
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This includes items like raspberries, basil, salad mixes, cilantro, and berry or fruit
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mixes.
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While it's not necessary to avoid all raw fruits and vegetables, being cautious with
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these specific items might reduce the risk of infection.
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If you experience diarrhea for more than 48 hours, it's important to seek medical
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attention.
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Cyclosporiasis is not always included in standard gastrointestinal tests, so you may
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need to request specific testing.
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Treatment typically involves a course of antibiotics, such as
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sulfamethoxazole-trimethoprim, which is sold under the names Bactrim or Septra.
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Treating the infection not only helps alleviate symptoms but also reduces the risk of spreading
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the parasite further.
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In summary, while the outbreak is concerning, taking the right precautions can help protect
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you and your family from infection.
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Stay informed about local health advisories, practice good hygiene, and be mindful of the
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foods you consume.
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By doing so, you can enjoy a safer, healthier summer.
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Today, we're focusing on a significant study in the realm of long COVID, which has been a
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challenging condition for many patients and healthcare providers alike.
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Researchers have been exploring various treatment options, and a recent randomized
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trial has provided some interesting insights, even if the results weren't as promising as
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hoped.
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The study, conducted by the STIMULATE-ICP consortium in the United Kingdom, aimed to test
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the effectiveness of common drugs in alleviating fatigue associated with long COVID.
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Given that there are currently no treatments approved by the Food and Drug Administration
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specifically for long COVID, this trial was an important step in exploring potential
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therapies.
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Participants in the study were given either colchicine, a combination of famotidine and
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loratadine, or rivaroxaban, in addition to usual care with a long COVID specialist.
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Over a 12-week period, researchers observed marginal reductions in fatigue for those taking
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colchicine or the famotidine-loratadine combination.
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However, these improvements were not significant long-term, as differences faded
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after the cessation of these treatments.
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The findings suggest that while these common drugs may offer some short-term relief, they do
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not support widespread clinical use for long COVID fatigue.
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The trial showed that improvements in the Fatigue Assessment Scale scores were
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statistically significant but clinically marginal, with colchicine and the
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famotidine-loratadine combination achieving only slight reductions in fatigue levels.
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Interestingly, the study noted that all participants, regardless of their treatment
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group, showed improvements in fatigue scores from their baseline.
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This underscores the importance of high-quality specialist care, which includes rehabilitation
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and pacing support, in managing long COVID symptoms effectively.
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It highlights that a multifaceted approach, rather than relying solely on medication, might
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be key to better outcomes.
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Dr.
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Amitava Banerjee from University College London, who led the study, emphasized that
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while the trial did not yield strong evidence for these drugs, it provides a framework for
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future research.
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There's a need for second-generation, precision medicine trials that can explore new and
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repurposed drugs for long COVID-associated fatigue.
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An accompanying editorial by Dr.
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Tiffany Walker from Emory University School of Medicine points out that symptom fluctuations
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in long COVID could mask the effects of treatment.
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She suggests that future trials should account for these variations and other features like
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post-exertional malaise to better assess potential therapies.
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Overall, while this study did not find a definitive treatment for long COVID fatigue, it
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highlights the critical role of specialist care and the need for continued research in this
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area.
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It's a reminder of the complexity of long COVID and the necessity of a comprehensive approach
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to treatment.
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Today, we're delving into a fascinating and somewhat alarming health incident involving the
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well-known journalist Katie Couric.
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Recently, she experienced a sudden and disorienting episode of memory loss during a
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trip to Colorado, which has been diagnosed as transient global amnesia.
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This condition, though temporary, can be quite unsettling as it prevents the formation of new
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memories for a certain period of time.
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Katie Couric detailed her experience in a post, describing how on that day, she couldn't recall
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basic details like the current month or even who the president was.
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She mistakenly thought it was 2024 and believed Joe Biden was still president.
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Couric was attending the Aspen Ideas Festival when this happened, and she lost memory of much
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of that day from around noon until 7 p.m.
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Despite participating in two panel discussions, she has no recollection of the events.
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Her husband noticed her disorientation and took her to the hospital, where a magnetic resonance
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imaging scan ruled out a stroke.
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Instead, doctors diagnosed her with transient global amnesia.
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This condition is characterized by the sudden inability to recall recent events, often
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affecting middle-aged or older adults.
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During these episodes, individuals remain alert and capable of performing complex tasks but are
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unable to form new memories.
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Dr.
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Laura Stein, a vascular neurologist, explains that transient global amnesia can be likened to
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a temporary power outage in the brain's memory center.
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While the rest of the brain functions normally, the memory center is temporarily offline.
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Once the episode resolves, memory function returns to normal, but the period during the
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amnesia remains a blank spot in the person's memory.
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A typical sign of transient global amnesia is repetitive questioning, where the individual
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might repeatedly ask where they are or what has happened, even after receiving answers.
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Fortunately, this condition is considered benign and self-limiting.
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However, it can mimic other conditions like strokes or seizures, which necessitates
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immediate medical evaluation to rule out more serious causes.
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The exact cause of transient global amnesia is still unclear.
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Some episodes are linked to physical shock, psychological stress, or extreme exertion.
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Interestingly, there's a higher prevalence of transient global amnesia at high altitudes, and
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research suggests disruptions in the brain's limbic system may play a role.
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Additionally, small lesions in the hippocampus, part of the brain involved in memory, have been
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observed in some cases following an episode.
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Most individuals experience transient global amnesia only once, but a small percentage may
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have recurrences.
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Factors such as an early age at the first episode and a history of migraines can increase
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the likelihood of recurrence.
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Despite the fear it might cause during an episode, transient global amnesia is reassuring
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from a medical standpoint, as patients typically recover fully and can return to their
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normal activities without any lasting effects.
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In today's episode, we're delving into the intriguing findings from a recent study
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examining the potential autoimmune risks associated with newer diabetes medications,
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specifically glucagon-like peptide-1 receptor agonists, dipeptidyl peptidase-4 inhibitors,
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and sodium-glucose cotransporter-2 inhibitors.
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This research, led by Dr.
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Jeffrey A.
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Sparks and his colleagues at Harvard Medical School and Brigham and Women's Hospital, is
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shedding light on an area that has seen little previous investigation.
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The study analyzed a vast database of medical records to uncover any associations between
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these newer drug classes and the onset of various autoimmune conditions.
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Interestingly, while no significant differences were found in the rates of autoimmune diseases
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between glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter-2
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inhibitors, differences did emerge when comparing dipeptidyl peptidase-4 inhibitors
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with these other classes.
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Specifically, the research highlighted that patients using dipeptidyl peptidase-4
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inhibitors had a lower risk of developing plaque psoriasis, psoriatic arthritis, and
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autoimmune thyroiditis compared to those on glucagon-like peptide-1 receptor agonists.
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However, they faced a higher risk for conditions like bullous pemphigoid and
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dermatomyositis.
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These findings suggest a complex interplay between these medications and autoimmune
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disease risk that warrants further investigation.
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It's crucial to note that the study does not conclude these drugs directly cause autoimmune
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diseases.
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Instead, it provides preliminary signals that could guide future research to explore
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potential biological mechanisms at play.
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The researchers emphasize the importance of more focused studies to determine if these
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associations reflect true safety signals or are simply statistical anomalies.
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The methodology involved using the TriNetX database to compare patients with diabetes who
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were newly prescribed one of the three drug classes.
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They looked for subsequent diagnoses of autoimmune disorders, using a method known as
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target trial emulation.
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This approach allowed them to generate comparisons between the different medication
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types, involving over 100,000 pairs of patients in each comparison.
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While the study provided valuable insights, it also had limitations.
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For instance, there was no control group of patients using older diabetes medications or no
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medication at all.
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The researchers also had to rely on administrative data, which can introduce
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potential confounding factors.
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However, they adjusted for several variables, including baseline hemoglobin A1c levels, body
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mass index, and lifestyle factors like tobacco and alcohol use.
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The findings underscore the need for continued research in this area, particularly studies
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incorporating mechanistic endpoints and external comparators.
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This could help elucidate the degree to which these relative differences in autoimmune
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disease risk translate to clinically relevant impacts.
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As we wrap up today's episode, it's clear that the landscape of diabetes treatment is
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evolving, and with it, our understanding of the potential risks and benefits of newer
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therapies.
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It's a reminder of the importance of staying informed about the latest research, so we can
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make the best decisions for our health.
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Thank you for tuning in to Morning Medical with Dr.
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Chow.
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Until next time, stay healthy and informed.