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heartbriefs
Nov 5, 2009 17:00 EST
The Spokane Heart Study finds a connection between kidney function, serum phosphorus, and the risk of coronary artery calcification.
Imaging
6 COMMENTS - Nov 3, 2009 17:00 EST
UPDATED // An 1126-patient trial shows that SPECT and CAC scoring imaging tests are independent and complementary predictors of short- and long-term cardiac risk, respectively.
Imaging
5 COMMENTS - Nov 3, 2009 11:45 EST
The 2010 Medicare Physician Fee Schedule final rule released by the CMS makes major cuts to several cardiovascular imaging services.
Imaging
15 COMMENTS - Oct 30, 2009 16:00 EDT
Just weeks before ARBITER-HALTS 6 results come out at AHA 2009, an MRI study suggests that niacin is better than placebo in statin-treated patients with low HDL, at least for reducing carotid wall area. Experts say they'd also like to see insights into niacin effects on lipid-rich plaque volumes—the more commonly seen end point with MRI.
Heart failure
Oct 29, 2009 15:00 EDT
An additional year of data from the INCREMENTAL study showed that echo-targeted LV lead positioning increased the likelihood of a response to device therapy by about 40% over standard lead placement. But does that difference translate into better long-term outcomes for the patient?
Lipid/Metabolic
9 COMMENTS - Oct 23, 2009 17:00 EDT
Pericardial fat, which is found around the heart, predicts future CHD events and may even be a better predictor of these than conventional obesity measures, such as BMI and waist circumference, a new study of MESA participants shows.
heartbriefs
Oct 23, 2009 15:30 EDT
Data from Japanese atomic-bomb survivors and people exposed to radiation in their jobs show that even low doses of ionizing radiation may contribute to cardiovascular disease risk. British researchers have created a complex mathematical model to better understand the relationship between radiation exposure and heart disease.
Brain/Kidney/Peripheral
Oct 21, 2009 13:00 EDT
Intravenously administered iloprost, a prostacyclin analog, may help prevent contrast-induced nephropathy in patients with renal dysfunction undergoing coronary procedures, a new pilot study suggests.
Imaging
14 COMMENTS - Oct 16, 2009 12:45 EDT
In those presenting to the ER with chest pain, a prior zero calcium score cannot completely rule out a coronary obstruction, a new analysis of the MESA study has shown. This is likely due to the presence of soft plaques not detected by calcium screening, the researchers say.
Acute Coronary Syndromes
1 COMMENT - Oct 15, 2009 13:15 EDT
Two-thirds of the 156 trials considered by the AHA in preparing a recent guideline failed to even record the ethnic backgrounds of participants, a new study has found. The researchers call for the reporting of race/ethnicity to be mandatory in all clinical trials, and they suggest medical journals should enforce this policy.
Imaging
Oct 6, 2009 15:15 EDT
Among nearly 1000 consecutive patients who underwent cardiac CT, 41% had noncardiac incidental findings, but just 1.2% of these were clinically significant. While another 7% were "indeterminate," none of these inconclusive findings became clinically significant during follow-up.
Clinical cardiology
3 COMMENTS - Oct 2, 2009 12:00 EDT
The "Principles on Conduct of Clinical Trials and Communication of Clinical Trial Results" echo recent standards set by medical journal editors, but some observers say the document, which has no penalty component, lacks real teeth.
Interventional/Surgery
3 COMMENTS - Sep 29, 2009 09:45 EDT
CORRECTED // A study has found that although ultrasound imaging doesn't seem to improve upon the overall success rate of fluoroscopy-assisted femoral-access PCI, it does seem to facilitate the procedure, reducing the risk of access complications by 59% and doubling the first-pass success rate.
Interventional/Surgery
4 COMMENTS - Sep 25, 2009 14:15 EDT
After successful PCI, 20% of patients go on to have a MACE at three years and 12% of patients develop events from nonculprit lesions. PROSPECT investigators say, however, that events from these nonculprit lesions are more likely to be unstable angina or progressive angina, rather than harder events such as MI or cardiac death.
Imaging
9 COMMENTS - Sep 21, 2009 17:00 EDT
Patients who undergo coronary artery calcium scans are unlikely to undergo further testing or invasive procedures if the CAC scores are low. The results suggest that CAC might play a role in more selective testing patterns in asymptomatic individuals at risk for cardiovascular disease, say researchers.
Clinical cardiology
2 COMMENTS - Sep 15, 2009 12:00 EDT
Clinicians and researchers need to be more aware before signing on to studies about what potential conflicts might arise with the sponsor and set the ground rules for such areas as access to data, manuscript preparation, and right to publish.
Heart failure
Sep 14, 2009 17:15 EDT
Heart-failure patients with ejection fractions >35% aren't necessarily excluded from the clinical and reverse-remodeling benefits of cardiac resynchronization therapy, suggests yet another study questioning the limits of CRT's current eligibility criteria.
Clinical cardiology
Sep 14, 2009 11:45 EDT
Results of a new survey showed that a surprising 15% of textbooks had one or more drug or device sponsors and, in two cases, those sponsors had tried to influence the content of the textbooks.
Clinical cardiology
4 COMMENTS - Sep 14, 2009 11:30 EDT
French researchers who systematically quantified the prevalence of spin across 72 negative randomized controlled trials say half of the studies put a positive spin on the negative findings in the conclusion sections of the papers.
Clinical cardiology
Sep 11, 2009 11:00 EDT
UPDATED // Compared with a 1996 survey by JAMA editors, a 2008 survey indicates that the practice of having ghost writers pen papers, then not appear as authors, is down to 8%, from 12% in 1996. The practice of inviting a prominent name to appear in the list of authors, without requiring that person to contribute to the research, has held steady at roughly 20%.
Imaging
1 COMMENT - Sep 10, 2009 15:30 EDT
The combined protocol is still considered investigational but suggests that cardiac CT has a potential role in myocardial perfusion imaging for the detection of myocardial ischemia as well as providing information on coronary stenoses.
Prevention
7 COMMENTS - Sep 9, 2009 09:45 EDT
The ESC issues new recommendations on the prevention, diagnosis, and treatment of infective endocarditis—"an old but changing disease." The guidance with respect to antibiotic prophylaxis is similar to US advice, experts say.
Heart failure
Sep 4, 2009 17:30 EDT
In Europe, cardiac resynchronization therapy in clinical practice is applied to many patients for whom there is no supporting clinical-trial evidence, including those with atrial fib and patients older than 75.
Clinical cardiology
Sep 4, 2009 10:30 EDT
That question may never be answered, after the multicenter PET study fizzled due to a lack of enthusiasm by enrolling centers, which may have been loathe to give up revenues that PCI brings in. Never mind that exercise seemed better at improving event-free survival.
Prevention
2 COMMENTS - Sep 3, 2009 14:15 EDT
More effort must be made to encourage interventional cardiologists to use protective eyewear, conclude the authors of the largest-ever study looking at radiation-induced eye damage among medical professionals.

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