Research Topics
Species | Frederick F SamahaSummaryCountry: USA Publications
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Publications
Effects of rosiglitazone on lipids, adipokines, and inflammatory markers in nondiabetic patients with low high-density lipoprotein cholesterol and metabolic syndromeFrederick F Samaha
Cardiovascular Division, Department of Medicine, Cardiovascular Institute, University of Pennsylvania Medical Center, Philadelphia, PA, USA
Arterioscler Thromb Vasc Biol 26:624-30. 2006..However, the full spectrum of potentially antiatherogenic mechanisms of PPAR-gamma agonists have not been fully tested in nondiabetic patients with metabolic syndrome...
Usefulness of the TIMI risk score in predicting both short- and long-term outcomes in the Veterans Affairs Non-Q-Wave Myocardial Infarction Strategies In-Hospital (VANQWISH) TrialFrederick F Samaha
Cardiovascular Division, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
Am J Cardiol 90:922-6. 2002..76). No significant difference in outcomes between strategies was detected for a score > or =3. The TIMI risk score provides moderate incremental prognostic information in high-risk patients, during both short- and long-term follow-up...
Effect of very high-fat diets on body weight, lipoproteins, and glycemic status in the obeseFrederick F Samaha
Division of Cardiovascular Disease, Department of Medicine, Philadelphia Veterans Affairs Medical Center, Philadelphia, PA 19104, USA
Curr Atheroscler Rep 7:412-20. 2005..Although current national guidelines modestly liberalize unsaturated fat consumption, important questions still remain about the optimal percentage of unsaturated fats in the diet...
A low-carbohydrate as compared with a low-fat diet in severe obesityFrederick F Samaha
Philadelphia Veterans Affairs Medical Center, University of Pennsylvania Medical Center, Philadelphia, USA
N Engl J Med 348:2074-81. 2003..The effects of a carbohydrate-restricted diet on weight loss and risk factors for atherosclerosis have been incompletely assessed...
The effects of low-carbohydrate versus conventional weight loss diets in severely obese adults: one-year follow-up of a randomized trialLinda Stern
Philadelphia Veterans Affairs Medical Center, University of Pennsylvania Medical Center, and Drexel University College of Medicine, Philadelphia, Pennsylvania 19104, USA
Ann Intern Med 140:778-85. 2004..Weight loss was similar between groups, but effects on atherogenic dyslipidemia and glycemic control were still more favorable with a low-carbohydrate diet after adjustment for differences in weight loss...
Free fatty acids, insulin resistance, and corrected qt intervals in morbid obesity: effect of weight loss during 6 months with differing dietary interventionsPrakash Seshadri
Division of Endocrinology, Department of Medicine, University of Pennsylvania Medical School, Philadelphia, Pennsylvania, USA
Endocr Pract 11:234-9. 2005..Improvements in insulin resistance seem to have a relatively weak mechanistic role, and a decrease in FFAs has no apparent role in the reduction of the QTc interval...
Adherence to warfarin assessed by electronic pill caps, clinician assessment, and patient reports: results from the IN-RANGE studyCatherine S Parker
Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, 717 Blockley Hall, 423 Guardian Drive, Philadelphia, PA 19104 6021, USA
J Gen Intern Med 22:1254-9. 2007..Patient adherence to warfarin may influence anticoagulation control; yet, adherence among warfarin users has not been rigorously studied...
Effects of pioglitazone on lipoproteins, inflammatory markers, and adipokines in nondiabetic patients with metabolic syndromePhilippe O Szapary
Division of General Internal Medicine, Institute for Translational Medicine and Therapeutics, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Arterioscler Thromb Vasc Biol 26:182-8. 2006..These results suggest that PIO has direct effects on HDL, which may contribute to its antiatherogenic effects...
Low-carbohydrate diets, obesity, and metabolic risk factors for cardiovascular diseaseFrederick F Samaha
University of Pennsylvania Medical Center, Philadelphia VA Medical Center, 3900 Woodland Avenue, 8th Floor Cardiology MC 111C, Philadelphia, PA 19104, USA
Curr Atheroscler Rep 9:441-7. 2007..These studies should take into consideration that patients with insulin resistance syndromes would be the most likely group to benefit from carbohydrate restriction...
Warfarin and cytochrome P450 2C9 genotype: possible ethnic variation in warfarin sensitivityCarmel Kealey
University of Pennsylvania, Department of Pharmacology and Center for Pharmacogenetics, School of Medicine, Philadelphia, PA, USA
Pharmacogenomics 8:217-25. 2007..0 and 3.0 were genotyped. Warfarin sensitivity stratified by genotype was investigated using univariate and multivariate analyses...
Clinical exacerbations as a surrogate end point in heart failure researchSteven L Sayers
Philadelphia Veterans Affairs Medical Center, Philadelphia, Pennsylvania 19104, USA
Heart Lung 37:28-35. 2008..We examined the utility of an index of clinical exacerbations of heart failure (HF) as a surrogate measure of outcome for use in modestly sized clinical trials and observational studies...
Social support and self-care of patients with heart failureSteven L Sayers
Philadelphia Veterans Affairs Medical Center, University of Pennsylvania, Philadelphia, PA, USA
Ann Behav Med 35:70-9. 2008..Social support can influence treatment adherence of patients with chronic illnesses, which may explain the positive effects of social support on heart failure (HF) outcomes...
Stress test criteria used in the conservative arm of the FRISC-II trial underdetects surgical coronary artery disease when applied to patients in the VANQWISH trialAbhinav Goyal
University of Pennsylvania School of Medicine, Department of Medicine, Philadelphia, Pennsylvania 19104, USA
J Am Coll Cardiol 39:1601-7. 2002..A lower threshold for catheterization in the FRISC-II conservative patients might have improved their outcomes and therefore diminished the putative benefit of an invasive strategy...
Inhibition of microsomal triglyceride transfer protein alone or with ezetimibe in patients with moderate hypercholesterolemiaFrederick F Samaha
Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Nat Clin Pract Cardiovasc Med 5:497-505. 2008..We tested the safety and LDL-cholesterol-lowering efficacy of an MTP inhibitor, AEGR-733 (Aegerion Pharmaceuticals Inc., Bridgewater, NJ), alone and in combination with ezetimibe...
Cost-effectiveness of a low-carbohydrate diet and a standard diet in severe obesityAdam Gilden Tsai
Division of General Internal Medicine, Department of Medicine, Weight and Eating Disorders Program, University of Pennsylvania, Philadelphia, PA 19104, USA
Obes Res 13:1834-40. 2005..Low-carbohydrate diets have become a popular alternative to standard diets for weight loss. Our aim was to compare the cost-effectiveness of these two diets...
Novel platelet and vascular roles for immunoreceptor signalingFrederick F Samaha
Department of Medicine and Division of Cardiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Arterioscler Thromb Vasc Biol 26:2588-93. 2006..Here we discuss some of these recent findings and their implications for vascular biology and the treatment of human vascular diseases...
The influence of patient adherence on anticoagulation control with warfarin: results from the International Normalized Ratio Adherence and Genetics (IN-RANGE) StudyStephen E Kimmel
Department of Medicine, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, 423 Guardian Drive, Philadelphia, PA 19104, USA
Arch Intern Med 167:229-35. 2007..Warfarin sodium is a highly efficacious drug, but proper levels of anticoagulation are difficult to maintain. Conflicting data exist on the influence of patient adherence on anticoagulation control...
Density of platelet collagen receptors glycoprotein VI and alpha2beta1 and prior myocardial infarction in human subjects, a pilot studyFrederick F Samaha
Philadelphia Veterans Affairs Medical Center, University of Pennsylvania Health System, 19104, USA
Med Sci Monit 11:CR224-229. 2005..An appropriately sized clinical study using this methodology is warranted to further investigate whether collagen receptor density serves as a novel risk factor for myocardial infarction...
Modafinil and cocaine: a double-blind, placebo-controlled drug interaction studyCharles A Dackis
Department of Psychiatry, University of Pennsylvania, 3900 Chestnut Street, Philadelphia, PA 19104, USA
Drug Alcohol Depend 70:29-37. 2003..Furthermore, pretreatment with modafinil did not intensify cocaine euphoria or cocaine-induced craving. In fact, cocaine euphoria was significantly blunted (P=0.02) in one of our subjective measures...
New international measuring stick for defining obesity in non-EuropeansFrederick F Samaha
Circulation 115:2089-90. 2007
A randomized study comparing the effects of a low-carbohydrate diet and a conventional diet on lipoprotein subfractions and C-reactive protein levels in patients with severe obesityPrakash Seshadri
Department of Internal Medicine, Division of Endocrinology, University of Pennsylvania Health System, Philadelphia 19104, USA
Am J Med 117:398-405. 2004..Both diets had similar effects on LDL and HDL subfractions...
Type III hyperlipoproteinemia unmasked by HIV anti-retroviral therapyFrederick F Samaha
Am J Med 118:691-2. 2005
Measurement of platelet collagen receptor density in human subjectsFrederick F Samaha
Arterioscler Thromb Vasc Biol 24:e181-2. 2004
Dyslipidemia in type 2 diabetes mellitusRamprasad Gadi
Curr Diab Rep 7:228-34. 2007..Lowering LDLC to less than 70 mg/dL may provide even greater benefits, particularly in very high risk patients with DM and coronary heart disease...
Research Grants
- Inflammatory response to sleep apnea in obese subjectsFrederick Samaha; Fiscal Year: 2007..We propose that this study design will provide the best way to separate the independent effects of obesity and OSA on cardiovascular risk. ..
