ICD Patients – Combat ICD Anxiety

This informative blog article written by a social worker for the University of Michigan’s Health Blog has some great tips on how to deal with anxiety when living with an ICD.

I recommend it.

2 Companies Testing Drugs for HCM

Two San Francisco based companies are now conducting clinical trials for three drugs specifically targeting HCM.

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Should Children from HCM Families be Screened Earlier?

A recent study by doctors at Toronto’s Hospital for Sick Children suggests that current screening guidelines for children from HCM families are inadequate and should instead recommend earlier screening exams. In the U.S., screening begins at age 12 pursuant to American College of Cardiology (ACC)/American Heart Association (AHA) guidelines.  In Europe, screening begins at age 10 pursuant to the European Society of Cardiology (ESC) guidelines.

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Scientists Get $10 Million Grant to Develop HCM Treatments

A group of scientists led by Stanford University’s Dr. James Spudich, working together with researchers from the University of California-Santa Barbara, the University of Washington and the Institut Curie in Paris, has recently been awarded a $10 million grant by the National Institute of General Medical Sciences to develop novel treatments for hypertrophic cardiomyopathy (HCM). 

The researchers hope that the added resources from this grant will help them find ways to correct pathological heart protein changes they believe to be at the root of HCM. The team then plans to partner with pharmaceutical companies to develop more personalized approaches to HCM treatment.

Dr. Spudich has long been involved in HCM research and has been a founder of two separate companies which are currently engaged in drug trials for potential HCM treatments:  MyoKardia and Cytokinetics.

A story about Dr. Spudich and the inspiration for his work was featured in this recent post on HCMBeat.

Can a Smartwatch Detect HOCM?

According to a limited study recently published in Nature, researchers were able to detect obstructive HCM (HOCM) using a noninvasive optical sensor contained in many commercial smartwatches.

How the Technology Works

These watches used photoplethysmography, a noninvasive optical method used to detect blood volume changes in the microvascular bed at the skin surface.  The same technology is used in clinical pulse oximeters and is now widely incorporated in commercial smartwatches that have heart rate detection.

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Docs Reliably Identify HCM Patients in Need of ICDs

According to a paper published last week in JAMA Cardiology, doctors at Tufts University’s HCM Center have been able to identify 95% of their patients at high risk of sudden cardiac death (SCD) from HCM.  Tufts applied an updated and modified version of the risk factors enumerated in the American College of Cardiology/American Heart Association Guidelines promulgated  in 2011.

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Reporting Issue with 50,000 Medtronic Fidelis ICD Leads

According to a story broken by Kaiser Health News this week, due to a reporting waiver granted to Medtronic by the FDA, as many as 50,000 problems with the Medtronic Fidelis lead were not reported to the FDA.  Ordinarily, the FDA uses its MAUDE database to collect reports of adverse events in medical devices.  In these cases, the MAUDE database was circumvented.

Medtronic responded by saying that instead of using MAUDE, they disclosed the issues in summary fashion to the FDA, as well as reporting them to physicians and to the public.

The following stories provide additional details about this controversy:

CNN

Minneapolis Star Tribune

ArsTechnica

MassDevice.com

 

Wall Street Journal Highlights Risks in Genetic Testing

This story in the Wall Street Journal about genetic testing shows the speed of changes in the medical community’s understanding of how and whether certain genes cause hereditary disease.

The article quoted Dr. Jodie Ingles, a geneticist from the University of Sydney in Australia who specializes in HCM and has published a recent article on the subject.  Dr. Ingles said that 22 out of 33 genes comprising a genetic testing panel commonly used to test for HCM had either limited or no evidence of being disease causative.

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Positive Results for MyoKardia Drug Mavacamten

This week in the journal Annals of Internal Medicine, MyoKardia reported positive results from its open label phase 2 clinical trial of its drug mavacamten (formerly known as MYK-461) for obstructive hypertrophic cardiomyopathy. The study was conducted at 5 HCM centers and enrolled 21 subjects with  obstructive HCM. All subjects saw some degree of improvement to their condition after taking mavacamten.

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When Do You Screen Your Kids For HCM?

A recent study published in Circulation suggests that clinical testing of kids who are first degree family members of HCM patients (i.e. siblings and children of those who have already been diagnosed with HCM) could be improved by starting testing at a younger age. And, genetic testing should further improve diagnosis and treatment for this group.

Continue reading “When Do You Screen Your Kids For HCM?”