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Category: Internal Medicine | Monthly Briefing

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July 2011 Briefing - Internal Medicine

Last Updated: August 01, 2011.

 

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Here are what the editors at HealthDay consider to be the most important developments in Internal Medicine for July 2011. This roundup includes the latest research news from journal articles, as well as the FDA approvals and regulatory changes that are the most likely to affect clinical practice.

Intensive Glycemic Control Does Not Improve Renal Outcome

FRIDAY, July 29 (HealthDay News) -- In older patients with type 2 diabetes, intensive glycemic control does not improve renal disease progression, but it is associated with reduction in nephropathy progression in patients with worse microvascular eye disease, higher body mass index (BMI), and lower diastolic blood pressure (DBP), according to a study published online July 20 in Diabetes Care.

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Youth Exposure to Farms Tied to Adult Hematological Cancer

FRIDAY, July 29 (HealthDay News) -- Growing up on a livestock farm, particularly a poultry farm, but not a crop farm, is associated with an increased risk of hematological cancer in adulthood, according to a study published online July 27 in Occupational & Environmental Medicine.

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Testosterone Ranges Set Up for Premenopausal Women

FRIDAY, July 29 (HealthDay News) -- Using validated immunoassays, reference ranges for free, total, and bioavailable testosterone and sex hormone-binding globulin (SHBG) have been established using the fifth and 95th percentiles in premenopausal women with normal menstrual cycles, according to a study published online July 19 in The Journal of Sexual Medicine.

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Low-Molecular-Weight Heparin Better for Primary PCI

FRIDAY, July 29 (HealthDay News) -- Compared to unfractionated heparin (UFH), low-molecular-weight heparin (LMWH) is associated with reduced mortality and reduced major bleeding in patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (pPCI); but it shows no benefit in those treated with PCI after thrombolysis, according to a study published online July 20 in the Journal of Thrombosis and Haemostasis.

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Metabolic Syndrome Increases Primary Liver Cancer Risk

FRIDAY, July 29 (HealthDay News) -- Metabolic syndrome is a significant risk factor for the development of hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC), regardless of other major risk factors for HCC and ICC, according to a study published in the August issue of Hepatology.

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CDC: U.S. Cholera Cases Linked to Hispaniola Epidemic

FRIDAY, July 29 (HealthDay News) -- In the United States, cholera cases caused by toxigenic Vibrio cholerae O1 are linked to travel to Hispaniola and consumption of seafood from Haiti, according to a report published online July 21 in the U.S. Centers for Disease Control and Prevention's Emerging Infectious Diseases.

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Baroreflex Activation Therapy Tied to Safe SBP Reduction

FRIDAY, July 29 (HealthDay News) -- Baroreflex activation therapy (BAT) can safely reduce systolic blood pressure (SBP) over the long term in patients with resistant hypertension, according to a study published online July 28 in the Journal of the American College of Cardiology.

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More Weight Loss in Bariatric Surgery Than Standard Care

THURSDAY, July 28 (HealthDay News) -- Bariatric surgery appears to have substantially higher efficacy than standard care for reducing weight in severely obese adults, according to a review published in the August issue of Obesity Reviews.

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Increase in Gout Prevalence From 1988 to 2008

THURSDAY, July 28 (HealthDay News) -- The prevalence of gout and hyperuricemia in the United States is considerable and has increased over the past two decades, according to a study published online July 28 in Arthritis & Rheumatism.

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CDC: Nonfatal Sports and Recreation Heat Illness Studied

THURSDAY, July 28 (HealthDay News) -- Individuals who take part in unstructured sports and recreational activities, especially during the summer months, may be at an increased risk of heat illness, according to a report in the July 29 issue of the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report.

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CDC: HIV-2 Infections in the U.S. Rarely Identified

THURSDAY, July 28 (HealthDay News) -- HIV-2 infections in the United States appear to be rare and concentrated in the Northeast, mainly limited to individuals born in West Africa, according to a report in the July 29 issue of the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report.

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VTE Rates Post Knee Arthroplasty Increased '97-'07

THURSDAY, July 28 (HealthDay News) -- The rate of venous thromboembolism following knee arthroplasty has increased from 1997 to 2007, with a higher risk among patients with a history of cardiovascular disease or a prior venous thromboembolism, according to a study published in the July 20 issue of The Journal of Bone & Joint Surgery.

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Coronary Events Are More Heritable Than Cerebral Events

THURSDAY, July 28 (HealthDay News) -- Coronary events are more heritable than cerebral events, with myocardial infarction (MI) significantly more likely than stroke to cluster in families, according to a study published online July 26 in Circulation: Cardiovascular Genetics.

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High Prenatal Milk Intake Tied to Lower Offspring MS Risk

THURSDAY, July 28 (HealthDay News) -- Higher milk and vitamin D consumption during pregnancy is associated with a reduced risk of adult-onset multiple sclerosis (MS) in offspring, according to a study published online July 22 in the Annals of Neurology.

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HbA1c Identifies Diabetes, Prediabetes in Acute Care

THURSDAY, July 28 (HealthDay News) -- Hemoglobin A1c (HbA1c) measurements can be used as a reliable screen for undiagnosed diabetes, prediabetes, and dysglycemia in emergency settings, according to a study published online July 20 in Diabetes Care.

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Hepatitis B and C Prevalent in Injecting Drug Users

THURSDAY, July 28 (HealthDay News) -- Hepatitis C virus (HCV) and hepatitis B virus (HBV) surface antigens (HBsAg) are common in injecting drug users (IDUs), with an estimated 10.0 million IDUs positive for HCV and 1.2 million for HBsAg, according to a review published online July 28 in The Lancet.

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Somatic Mosaicism in AKT1 Causes Proteus Syndrome

WEDNESDAY, July 27 (HealthDay News) -- A somatic activating mutation in the oncogene AKT1 has been found to cause Proteus syndrome, a condition characterized by the overgrowth of skin, connective tissue, brain, and other tissues, according to a study published online July 27 in the New England Journal of Medicine.

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CDH13 Linked to Lowered Levels of Adiponectin

WEDNESDAY, July 27 (HealthDay News) -- A single nucleotide polymorphism (SNP) in the T-cadherin (CDH13) gene is associated with lowered adiponectin levels and an increased risk of cardiometabolic diseases, according to a study published online July 19 in Diabetes.

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Model Using HbA1c Level Improves CVD Risk Prediction

WEDNESDAY, July 27 (HealthDay News) -- Models that incorporate hemoglobin A1c (HbA1c) levels for patients with diabetes have improved predictive ability of cardiovascular disease (CVD) risk compared to classification of diabetes as a cardiovascular risk equivalent, according to a study published online July 25 in the Archives of Internal Medicine.

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Smoking Tied to Increase in Post-Arthroplasty Complications

WEDNESDAY, July 27 (HealthDay News) -- Pre-operative smoking status is a significant predictor of 30-day postoperative complications and mortality at one year in patients undergoing elective primary total knee replacement or primary total hip replacement surgery (TKR/THR), according to a study published online July 18 in Arthritis Care & Research.

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Vascular Changes Contribute to Dementia in Older People

WEDNESDAY, July 27 (HealthDay News) -- Vascular changes contribute to age-related vascular cognitive impairment (VCI) and dementia, according to a new American Heart Association/American Stroke Association scientific statement published online July 21 in Stroke.

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Limited Positive Effect of Restaurant Calorie Labeling

WEDNESDAY, July 27 (HealthDay News) -- The U.S regulation requiring fast food restaurants to add calorie labeling has not impacted the mean calories purchased at lunchtime, but some major chains have seen significant reductions, and 15 percent of customers use the information and purchase fewer calories, according to a study published online July 26 in BMJ.

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Intensive Glucose Lowering Offers No Benefit on Mortality

WEDNESDAY, July 27 (HealthDay News) -- Intensive glucose-lowering treatment shows no significant reduction in all-cause mortality or deaths from cardiovascular causes in adults with type 2 diabetes, according to a meta-analysis published online July 26 in BMJ.

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FDA: Methylene Blue and Linezolid Tied to CNS Reactions

TUESDAY, July 26 (HealthDay News) -- The U.S. Food and Drug Administration has notified health care professionals and patients that individuals taking certain psychiatric medications may be at a higher risk of serious central nervous system (CNS) reactions when given reversible monoamine oxidase inhibitors (MAOIs), including methylene blue or linezolid (Zyvox).

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Apixaban Ups Bleeding Without Reducing Ischemic Events

TUESDAY, July 26 (HealthDay News) -- Adding 5 mg of apixaban twice daily to antiplatelet therapy among high-risk patients after an acute coronary syndrome increases the risk of bleeding events without a significant reduction in recurrent ischemic events, according to a study published online July 24 in the New England Journal of Medicine.

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Medicare Part D Tied to Lower Nondrug Medical Spending

TUESDAY, July 26 (HealthDay News) -- Implementation of Medicare Part D has significantly reduced the nondrug medical spending for Medicare beneficiaries with limited prior drug coverage, according to a study published in the July 27 issue of the Journal of the American Medical Association.

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Optimism Linked to Reduced Risk of Stroke in Older Adults

TUESDAY, July 26 (HealthDay News) -- Increased optimism is associated with a decreased risk of stroke in older adults, even after adjusting for sociodemographic, behavioral, biological, and psychological stroke risk factors, according to a study published online July 21 in Stroke.

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Higher BMI Predicts Clinical Decompensation in Cirrhosis

TUESDAY, July 26 (HealthDay News) -- Higher body mass index (BMI) is a significant predictor of clinical decompensation (CD) in patients with compensated cirrhosis, independent of other previously described predictors and treatment groups, according to a study published online June 26 in Hepatology.

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Dual Metabolic Defects Tied to Hypertriglyceridemia in Obese

MONDAY, July 25 (HealthDay News) -- Hypertriglyceridemia in obese men can be attributed to dual metabolic defects of increased secretion and impaired clearance of triglyceride-rich very-low-density lipoprotein1 (VLDL1), according to a study published online July 21 in Arteriosclerosis, Thrombosis, and Vascular Biology.

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FDA: Chantix Tied to Slight Risk of Cardiac Events

MONDAY, July 25 (HealthDay News) -- The U.S. Food and Drug Administration notified health care professionals and patients that the drug label for varenicline (Chantix) was updated to include information about the effectiveness and safety of the drug when used in patients with chronic obstructive pulmonary disease (COPD) or cardiovascular disease.

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Too Few Docs Refer High-Risk Women for Genetic Testing

MONDAY, July 25 (HealthDay News) -- Most U.S. physicians adhere to recommendations against genetic counseling and testing for women at average risk of ovarian cancer, but less than half adhere to guidelines for referral for high-risk women, according to a study published online July 25 in Cancer.

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Hemolysis Products Impair Nitric Oxide Function on Infusion

MONDAY, July 25 (HealthDay News) -- The products of hemolysis, which accumulate in blood stored under standard conditions, interact with nitric oxide (NO) on infusion and impair its vascular function, according to an experimental study published online July 11 in Circulation.

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Personality Traits Predict BMI Changes Across Adulthood

MONDAY, July 25 (HealthDay News) -- Certain personality traits are predictors for changes in body mass index (BMI) across adulthood, but changes in those traits are mainly unrelated to BMI changes, according to a study published online July 11 in the Journal of Personality and Social Psychology.

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Meta-Analysis Shows 8 SNPs Tied to Metabolic Syndrome

MONDAY, July 25 (HealthDay News) -- Eight single nucleotide polymorphisms (SNPs) are associated with metabolic syndrome (MetS), mostly located in genes involved in dyslipidemia, according to a meta-analysis published online July 12 in Obesity Reviews.

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Lower In-Hospital Mortality for Obese Patients With RI/ARDS

MONDAY, July 25 (HealthDay News) -- Obesity is associated with a decreased incidence of in-hospital mortality in patients who develop postoperative respiratory insufficiency (RI)/adult respiratory distress syndrome (ARDS), according to a study published online July 21 in the Journal of Intensive Care Medicine.

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Venous, Lymphatic Invasion Prognostic for CRC Outcomes

FRIDAY, July 22 (HealthDay News) -- Venous and lymphatic invasion are significant predictors for disease outcome in patients with colorectal cancer (CRC), and detection of vascular invasion is correlated with the number of tissue blocks examined, according to a study published online July 12 in Cancer.

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FDA: Possible Bisphosphonate-Esophageal CA Link Reviewed

FRIDAY, July 22 (HealthDay News) -- The U.S. Food and Drug Administration has notified health care professionals and patients that the use of oral bisphosphonates does not appear to increase the risk of esophageal cancer, with the agency currently not recommending endoscopic screening of asymptomatic patients.

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Being Married Linked to Earlier Care After Chest Pain

FRIDAY, July 22 (HealthDay News) -- Though married status is associated with lower odds of delayed medical care after chest pain, married men are significantly more likely to present earlier for care after myocardial infarction (MI) with chest pain, but married women show no such benefit, according to a study published online July 18 in CMAJ, the journal of the Canadian Medical Association.

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CDC: Sexual Transmission of Hepatitis C Evaluated

FRIDAY, July 22 (HealthDay News) -- HIV-infected men who have sex with men (MSM) should be screened for hepatitis C virus (HCV), especially those who engage in high-risk sexual behavior, according to a report in the July 22 issue of the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report.

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HCC Surgery Depends on Race, Socioeconomics, Hospital Type

FRIDAY, July 22 (HealthDay News) -- Only a small proportion of patients with hepatocellular carcinoma (HCC) undergo surgical treatment, which varies significantly with race, socioeconomic status, and type of hospital, according to a study published in the July issue of the Archives of Surgery.

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Axial Neck Loading Linked to Sports-Related Spine Injury

FRIDAY, July 22 (HealthDay News) -- Sports-related cervical spine injuries can be produced by an axial loading of the neck, with the impact causing high peak linear and rotational acceleration of the head, according to a letter published in the July 21 issue of the New England Journal of Medicine.

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Disrupted Thalamic MRI Patterns in Mild Traumatic Brain Injury

THURSDAY, July 21 (HealthDay News) -- In patients with mild traumatic brain injury (MTBI), resting-state magnetic resonance imaging (MRI) patterns are disrupted, with significantly increased thalamic resting-state networks (RSNs) and reduced symmetry, according to a study published online July 20 in Radiology.

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Increased Height Tied to Higher Cancer Risk

THURSDAY, July 21 (HealthDay News) -- Increasing height in women is associated with an increased risk of total cancer and cancer in most sites, according to a study published online July 21 in The Lancet Oncology.

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Brilinta Approved for Acute Coronary Syndromes

THURSDAY, July 21 (HealthDay News) -- Brilinta (ticagrelor) has been approved by the U.S. Food and Drug Administration to help reduce the risk of heart attack and cardiovascular death among people with acute coronary syndromes (ACS).

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Medical Students Support Right to Conscientious Objection

THURSDAY, July 21 (HealthDay News) -- Nearly half of medical students in the United Kingdom, especially Muslims, believe in the right of doctors to conscientiously object to or refuse any procedure, according to a study published online July 18 in the Journal of Medical Ethics.

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Liver Resection Score IDs Susceptibility to Complications

THURSDAY, July 21 (HealthDay News) -- A score to predict morbidity in liver resections helps identify which patients are most susceptible to complications, according to a study published online July 18 in the Archives of Surgery.

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Intima-Media Thickness Predicts Cardiovascular Events

WEDNESDAY, July 20 (HealthDay News) -- The maximum intima-media thickness of the internal carotid artery contributes significantly, but modestly, toward improvement in cardiovascular event risk classification based on the Framingham risk score, according to a study published in the July 21 issue of the New England Journal of Medicine.

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Soldiers' Dyspnea Could Be Constrictive Bronchiolitis

WEDNESDAY, July 20 (HealthDay News) -- Constrictive bronchiolitis should be considered as a reason for unexplained exertional dyspnea among previously healthy soldiers with a history of inhalational exposure, according to a study published in the July 21 issue of the New England Journal of Medicine.

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Torcetrapib Tied to Improved Glycemic Control in Diabetes

WEDNESDAY, July 20 (HealthDay News) -- Addition of torcetrapib to atorvastatin-treated patients with type 2 diabetes is associated with improved glycemic control, according to a study published online July 18 in Circulation.

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Milk, Soy Protein Intake Tied to Reduced Systolic BP

WEDNESDAY, July 20 (HealthDay News) -- Soy and milk protein intake is associated with reduced systolic blood pressure (BP) in patients with prehypertension and stage 1 hypertension, according to a study published online July 18 in Circulation.

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Triple-Drug Regimen Preferable for Treating H. Pylori

TUESDAY, July 19 (HealthDay News) -- The standard 14-day triple-drug regimen is more effective for treating Helicobacter pylori (H. pylori) infection in Latin America than newer four-drug regimens, according to a study published online July 20 in The Lancet.

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Stopping Low Dose Aspirin Ups Cardiac Risk

WEDNESDAY, July 20 (HealthDay News) -- Discontinuation of low dose aspirin among patients with a history of cardiovascular disease appears to increase the risk for heart attack, according to a study published online July 19 in BMJ.

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Physical Activity Tied to Reduced Cognitive Decline Risk

WEDNESDAY, July 20 (HealthDay News) -- Regular physical activity reduces the rate of cognitive decline in older women with vascular disease or risk factors; and greater activity energy expenditure (AEE) reduces the incidence of cognitive impairment in older adults, according to two studies published online July 19 in the Archives of Internal Medicine.

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Some Restaurant Foods Have More Calories Than Indicated

WEDNESDAY, July 20 (HealthDay News) -- The overall measured and stated energy content of restaurant foods is accurate, but there is considerable discrepancy between stated and measured energy content for individual food items, according to a study published in the July 20 issue of the Journal of the American Medical Association.

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IOM Recommends Updates in Guidelines for Women's Health

TUESDAY, July 19 (HealthDay News) -- Eight preventive health services for women should be added to the services that health plans will cover at no cost to patients under the Patient Protection and Affordable Care Act of 2010, according to a July 19 report from the Institute of Medicine.

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FDA Approves Vaccine for 2011/2012 Influenza Season

TUESDAY, July 19 (HealthDay News) -- The U.S. Food and Drug Administration announced that the agency has approved the influenza vaccine formulation for the 2011/2012 influenza season; this formulation will be used by the six manufacturers licensed to manufacture and distribute the vaccine in the United States.

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Triptorelin Tied to Reduced Chemo-Induced Menopause

TUESDAY, July 19 (HealthDay News) -- The use of triptorelin to temporarily suppress ovarian function in patients with early stage breast cancer is associated with reduced occurrence of chemotherapy-induced early menopause, according to a study published in the July 20 issue of the Journal of the American Medical Association.

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Review: Exercise = Less Bone Loss in Postmenopausal Women

TUESDAY, July 19 (HealthDay News) -- Exercise is suggested to have a small but statistically significant effect on preventing bone mineral density (BMD) loss in postmenopausal women, according to a meta-analysis published in the July issue of the Cochrane Database of Systematic Reviews.

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Screening for Lynch Syndrome Beneficial at Acceptable Cost

TUESDAY, July 19 (HealthDay News) -- Identifying families with the Lynch syndrome could yield considerable benefits at acceptable costs, particularly for women, according to a study published online July 18 in the Annals of Internal Medicine.

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Low Health Literacy Linked to Poorer Health Outcomes

TUESDAY, July 19 (HealthDay News) -- Limited health literacy is associated with poorer health outcomes and reduced use of health care services, according to a review published in the July 19 issue of the Annals of Internal Medicine.

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cART Ups Life Expectancy in Ugandan HIV Patients

TUESDAY, July 19 (HealthDay News) -- Combination antiretroviral therapy (cART) may substantially improve life expectancy in patients with HIV in Uganda, with women having a greater life expectancy then men, according to a study published online July 18 in the Annals of Internal Medicine.

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Increased Mortality for Isolated Rural Patients With COPD

TUESDAY, July 19 (HealthDay News) -- Patients with chronic obstructive pulmonary disease (COPD) living in isolated rural areas have increased mortality from COPD exacerbations compared to those living in urban areas, according to a study published in the July 19 issue of the Annals of Internal Medicine.

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Statin Therapy Does Not Up Cancer Risk in Older Adults

MONDAY, July 18 (HealthDay News) -- Statin therapy is not associated with a significant increase in cancer risk in older U.S. adults, according to a study published in the July 26 issue of the Journal of the American College of Cardiology.

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BetaPV Infection Tied to SCC in Transplant Recipients

MONDAY, July 18 (HealthDay News) -- There is a significant association between betapapillomavirus (betaPV) infection and squamous cell carcinoma (SCC) in patients who receive organ transplants, according to a study published in the July issue of the American Journal of Transplantation.

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Safety Concern for Chronic NSAID Users With HTN, CAD

MONDAY, July 18 (HealthDay News) -- Chronic, self-reported use of nonsteroidal anti-inflammatory drugs (NSAIDs) is associated with an increased risk of adverse events in patients with hypertension and coronary artery disease, according to a study published in the July issue of The American Journal of Medicine.

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Evidence Supports Modifying Dietary Fat to Lower CV Risk

MONDAY, July 18 (HealthDay News) -- Modification of dietary fat intake, but not the reduction of total fat, is associated with a decreased risk of cardiovascular events, according to a meta-analysis published in the July issue of the Cochrane Database of Systematic Reviews.

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Drinking Hot Tea, Coffee Tied to Lower MRSA Nasal Carriage

MONDAY, July 18 (HealthDay News) -- Individuals who drink hot tea or coffee have half the likelihood of methicillin-resistant Staphylococcus aureus (MRSA) nasal carriage as those who do not drink hot tea or coffee, according to a study published in the July/August issue of the Annals of Family Medicine.

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Chemo, Trastuzumab, Surgery Up Survival in HER2-Positive MBC

MONDAY, July 18 (HealthDay News) -- Patients with human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (MBC) and central nervous system (CNS) metastases have improved survival with trastuzumab, chemotherapy, and surgical treatment, according to a study published in the July 15 issue of Clinical Cancer Research.

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Factor VIII Dose Should Consider Both Body Weight and Fat Mass

MONDAY, July 18 (HealthDay News) -- For patients with hemophilia A, an infusion dose of factor VIII (FVIII) should be modified according to the patient's body weight (BW) and fat mass index (FMI), and should be adapted for over or underweight patients, according to a study published online July 5 in the Journal of Thrombosis and Haemostasis.

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A-Fib Ups Risk of Upper-Limb Thromboembolectomy

MONDAY, July 18 (HealthDay News) -- Atrial fibrillation (AF) is associated with an increased risk of upper-limb thromboembolectomy, according to a study published online July 7 in the Journal of Thrombosis and Haemostasis.

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FDA: Nuclear Scan Tied to Higher Radiation Exposure

MONDAY, July 18 (HealthDay News) -- The U.S. Food and Drug Administration warned health care providers and patients of an increased risk of radiation exposure associated with Bracco Diagnostics Inc.'s cardiac positron emission tomography (PET) scans with rubidium (Rb)-82 chloride injection from CardioGen-82.

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Clopidogrel, PPIs Linked to MI Risk After PCI

FRIDAY, July 15 (HealthDay News) -- In high-risk cardiovascular patients undergoing percutaneous coronary intervention (PCI), concomitant use of clopidogrel and proton pump inhibitors (PPIs) is associated with an increased risk of cardiac events, specifically myocardial infarction (MI), according to a study published online July 5 in the Journal of Internal Medicine.

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Faster Insulin Action With Needle-Free Jet Injection

FRIDAY, July 15 (HealthDay News) -- Insulin administration by needle-free jet injector enhances insulin absorption and reduces the duration of glucose-lowering action more than with conventional pen administration, according to a study published online June 29 in Diabetes Care.

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BMI Changes Predictive of Bilateral Knee Pain in Women

FRIDAY, July 15 (HealthDay News) -- Changes in body mass index (BMI) are associated with year 15 (Y15) bilateral knee pain in women irrespective of radiographic knee osteoarthritis (RKOA) status, according to a study published online July 7 in Arthritis Care & Research.

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Secondary Seizure Frequency Higher in Anovulatory Cycle

FRIDAY, July 15 (HealthDay News) -- In women with intractable focal onset seizures, seizure frequency for secondary generalized tonic-clonic seizures (GTCS) is significantly greater during anovulatory cycles than during ovulatory cycles, according to a study published online July 14 in Epilepsia.

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Regimen Beneficial for Waldenstrom Macroglobulinemia

FRIDAY, July 15 (HealthDay News) -- Treatment with fludarabine, cyclophosphamide, and rituximab (FCR), in patients with Waldenstrom macroglobulinemia (WM), shows high complete remissions (CRs) and very good partial remission (VGPR) rates, according to a study published online July 5 in Cancer.

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Vaccination Rates Up for Those With Liver Disease, Diabetes

FRIDAY, July 15 (HealthDay News) -- Vaccination rates for hepatitis A (HepA) and hepatitis B (HepB) in patients with chronic liver disease (CLD) and diabetes increased from 1999 to 2008, but remain low, according to a study published online July 2 in Hepatology.

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Overall Number, Not Concurrent Partners Tied to HIV Incidence

FRIDAY, July 15 (HealthDay News) -- The overall number of men's sexual partners, not partnership concurrence, is associated with the risk of women's HIV acquisition in sub-Saharan Africa, according to a study published in the July 16 HIV special issue of The Lancet.

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Rilpivirine Has Non-Inferior Efficacy to Efavirenz for HIV-1

FRIDAY, July 15 (HealthDay News) -- Rilpivirine offers a safe profile and non-inferior efficacy to efavirenz in treatment-naive patients infected with HIV-1, according to a study published in the July 16 HIV special issue of the The Lancet.

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Severe Asthma Not Linked to Persistent Viral Presence

FRIDAY, July 15 (HealthDay News) -- Respiratory-virus detection rates in the airways of patients with clinically stable and severe asthma are not significantly different from those of healthy controls, according to a study published in the August issue of Allergy.

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CDC: Travelers to Haiti at Risk for Dengue Virus Infections

THURSDAY, July 14 (HealthDay News) -- Travelers to Haiti may be at risk for infection with the mosquito-transmitted dengue virus (DENV), according to a report in the July 15 issue of the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report.

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Faster Movement in Response to Moving Target in Parkinson's

THURSDAY, July 14 (HealthDay News) -- In both virtual reality (VR) and physical reality, patients with Parkinson's disease (PD) reach more slowly for stationary objects than controls, but have movement speeds similar to controls for moving targets, according to a study published online July 1 in the Archives of Physical Medicine and Rehabilitation.

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Vascular Disease Tied to Higher Stroke or Death Risk in A-Fib

THURSDAY, July 14 (HealthDay News) -- The presence of a vascular disease, either peripheral artery disease (PAD) or prior myocardial infarction (MI), or both, is associated with increased risk of stroke or death in patients with atrial fibrillation (AF), independent of Cardiac failure, Hypertension, Age, Diabetes, Stroke (doubled) (CHADS2) risk score, according to a study published in the July issue of the Journal of Thrombosis and Haemostasis.

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H1N1 2009 Vaccine Not Tied to Guillain Barré Syndrome Risk

THURSDAY, July 14 (HealthDay News) -- The adjuvanted pandemic influenza A (H1N1) 2009 vaccine is not associated with an increased risk of Guillain-Barré syndrome, according to a study published July 12 in the BMJ.

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Intergenerational Social Mobility Affects HTN Risk

THURSDAY, July 14 (HealthDay News) -- Low parental socioeconomic status (SES) is associated with an increased hypertension risk, but intergenerational social mobility modifies this risk, according to a study published online July 11 in the Journal of Epidemiology & Community Health.

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Men With Full-Time Jobs More Active Than Nonworkers

THURSDAY, July 14 (HealthDay News) -- Men with full-time employment, even in sedentary occupations, are significantly more active than healthy non-workers, according to a study published online July 12 in the American Journal of Preventive Medicine.

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Treatment of Syndromes Linked to Spider Bites Ineffective

THURSDAY, July 14 (HealthDay News) -- Latrodectism and loxoscelism are important worldwide clinical syndromes associated with spider bites, but the effectiveness of antivenom treatment is unclear, according to a review published online July 14 in The Lancet.

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Unhealthy Lifestyle Factors Linked to Sexual Problems

THURSDAY, July 14 (HealthDay News) -- Unhealthy lifestyle factors are associated with sexual inactivity with a partner in sexually active men and women, with sexual dysfunction significantly more likely in men, according to a study published online May 13 in The Journal of Sexual Medicine.

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Low Bone Mass Seen Early in Multiple Sclerosis

THURSDAY, July 14 (HealthDay News) -- Newly diagnosed patients with multiple sclerosis (MS) with no or minor physical disability seem to have low bone mass, according to a study published in the July 12 issue of Neurology.

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Age-Associated Health Decline Risk Factor for Alzheimer's

THURSDAY, July 14 (HealthDay News) -- A frailty index of 19 deficits not previously reported to predict dementia is associated with an increased risk of Alzheimer's disease (AD), according to a study published online July 13 in Neurology.

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Albuterol Not Better Than Placebo in Self-Report Outcomes

WEDNESDAY, July 13 (HealthDay News) -- Albuterol increases maximum forced expiratory volume in one second (FEV1) in patients with asthma, but self-reported outcomes did not improve significantly with albuterol compared to placebo inhaler or sham acupuncture, according to a study published in the July 14 issue of the New England Journal of Medicine.

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Many Americans Lack Access to Oral Health Care Services

WEDNESDAY, July 13 (HealthDay News) -- Many Americans are not receiving necessary oral health care services due to barriers that hinder their access to dental care, according to a report by the Institute of Medicine and National Research Council published online July 13.

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Associations Found Between Contact Allergy and Cancer

WEDNESDAY, July 13 (HealthDay News) -- An inverse association has been found between contact allergy and non-melanoma skin and breast cancer, and a positive association between contact allergy and bladder cancer, according to a study published online July 11 in BMJ Open.

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Fast Food Close to Home Affects Diet in Low-Income Men

WEDNESDAY, July 13 (HealthDay News) -- Availability of supermarket and grocery stores close to home is generally unrelated to diet, but low-income respondents may be sensitive to fast food availability, particularly for men with fast food chains located within 1.00 to 2.99 km of home, according to a study published in the July 11 issue of the Archives of Internal Medicine.

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Occluded Artery Trial Results Have Minimal Impact

WEDNESDAY, July 13 (HealthDay News) -- The results of the Occluded Artery Trial (OAT) and subsequent guideline revisions have not, to date, been fully incorporated into clinical practice in many hospitals in the United States, according to a study published online July 11 in the Archives of Internal Medicine.

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Stress ECHO Effectively Stratifies CAD Risk in Patients With HIV

WEDNESDAY, July 13 (HealthDay News) -- Stress echocardiography (SE) can effectively stratify risk and offer prognostic value for patients with HIV at risk for cardiovascular events, according to a study published online July 12 in Circulation: Cardiovascular Imaging.

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New Model Correctly Classifies Low B

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