Dr. Jeffrey  Berger  Md,Mba image

Dr. Jeffrey Berger Md,Mba

900 23Rd St Nw Suite G-2092
Washington DC 20037
202 155-5213
Medical School: University Of Rochester School Of Medicine And Dentistry - 2001
Accepts Medicare: Yes
Participates In eRX: Yes
Participates In PQRS: Yes
Participates In EHR: No
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NPI: 1881684090
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HCPCS Code:36620 Description:Insertion catheter artery Average Price:$288.67 Average Price Allowed
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Diagnostic Radiology
Cardiovascular Disease (Cardiology)
Cardiovascular Disease (Cardiology)
Cardiovascular Disease (Cardiology)
Diagnostic Radiology
Diagnostic Radiology
*These referrals represent the top 10 that Dr. Berger has made to other doctors


Design and rationale for the Effects of Ticagrelor and Clopidogrel in Patients with Peripheral Artery Disease (EUCLID) trial. - American heart journal
Despite overwhelming data demonstrating the efficacy of antiplatelet therapy in heart disease and stroke, data in peripheral artery disease (PAD) are less compelling. Aspirin has modest evidence supporting a reduction in cardiovascular events in patients with PAD, whereas clopidogrel monotherapy may be more effective in PAD. Ticagrelor, a potent, reversibly binding P2Y12 receptor antagonist, is beneficial in patients with acute coronary syndrome and prior myocardial infarction. The EUCLID trial is designed to address the need for effective antiplatelet therapy in PAD to decrease the risk of cardiovascular events.EUCLID is a randomized, double-blind, parallel-group, multinational clinical trial designed to evaluate the efficacy and safety of ticagrelor compared with clopidogrel for the prevention of major adverse cardiovascular events in subjects with symptomatic PAD. Subjects with established PAD will be randomized in a 1:1 fashion to ticagrelor 90 mg twice daily or clopidogrel 75 mg daily. The primary end point is a composite of cardiovascular death, myocardial infarction, or ischemic stroke. Other end points address limb events including acute leg ischemia, need for revascularization, disease progression by ankle-brachial index, and quality of life. The primary safety objective is Thrombolysis in Myocardial Infarction-defined major bleeding. Recruitment began in December 2012 and was completed in March 2014; 13,887 patients were randomized. The trial will continue until at least 1,364 adjudicated primary end points occur.The EUCLID study is investigating whether treatment with ticagrelor versus clopidogrel, given as antiplatelet monotherapy, will reduce the incidence of cardiovascular and limb-specific events in patients with symptomatic PAD.Copyright © 2016 The Authors. Published by Elsevier Inc. All rights reserved.
The Effect of Previous Resident Interactions on the Assessment of Interpersonal and Communication Skills by Teaching Faculty: Are We the Best Evaluators? - The journal of education in perioperative medicine : JEPM
Evaluating resident interpersonal and communication skills (ICS) presents a significant challenge. Unlike the In-Training-Exam, an objective measure of knowledge, the evaluation of ICS is subjective. Previous interactions could influence how teaching faculty evaluate this competency leading to inaccurate assessment of resident ICS. Faculty groups from other residencies and non-physicians were enlisted to compare assessments with those by teaching faculty.A cross-sectional study was conducted comparing how different evaluator groups assessed the ICS of anesthesiology residents. Nine residents participated each in two Standardized Patient (SP) encounters that were video-recorded. The recordings were viewed by eleven evaluators representing four different evaluator groups, one non-blinded teaching faculty group, two blinded anesthesiology faculty groups from separate programs and one blinded non-physician group. They scored each encounter using a modified SEGUE framework evaluation form graded on a Likert scale.The mean score for each resident ICS encounter by evaluator group were as follows: non-blinded teaching faculty (57.89), non-physician group (57.42), and the blinded anesthesiology faculties (53.00) and (53.83) respectively. There was significant difference in how the evaluator groups scored the resident performances (p<0.001). Analysis of ranks showed excellent correlation comparing teaching faculty with the other anesthesiology faculty groups (r=0.764, p=0.017 and r=0.765, p=0.016, respectively). The highest ranked resident overall ranked high across all evaluator groups and the lowest ranked resident was ranked lowest across most evaluator groups.Though potential for biases from previous interactions exist, teaching faculty assessments of resident ICS are similar to the assessments of other anesthesiology faculty evaluator groups.
Reproductive Risk Factors and Coronary Heart Disease in the Women's Health Initiative Observational Study. - Circulation
Reproductive factors provide an early window into a woman's coronary heart disease (CHD) risk; however, their contribution to CHD risk stratification is uncertain.In the Women's Health Initiative Observational Study, we constructed Cox proportional hazards models for CHD including age, pregnancy status, number of live births, age at menarche, menstrual irregularity, age at first birth, stillbirths, miscarriages, infertility ≥1 year, infertility cause, and breastfeeding. We next added each candidate reproductive factor to an established CHD risk factor model. A final model was then constructed with significant reproductive factors added to established CHD risk factors. Improvement in C statistic, net reclassification index (or net reclassification index with risk categories of <5%, 5 to <10%, and ≥10% 10-year risk of CHD), and integrated discriminatory index were assessed. Among 72 982 women (CHD events, n=4607; median follow-up,12.0 [interquartile range, 8.3-13.7] years; mean [standard deviation] age, 63.2 [7.2] years), an age-adjusted reproductive risk factor model had a C statistic of 0.675 for CHD. In a model adjusted for established CHD risk factors, younger age at first birth, number of still births, number of miscarriages, and lack of breastfeeding were positively associated with CHD. Reproductive factors modestly improved model discrimination (C statistic increased from 0.726 to 0.730; integrated discriminatory index, 0.0013; P<0.0001). Net reclassification for women with events was not improved (net reclassification index events, 0.007; P=0.18); and, for women without events, net reclassification was marginally improved (net reclassification index nonevents, 0.002; P=0.04) CONCLUSIONS: Key reproductive factors are associated with CHD independently of established CHD risk factors, very modestly improve model discrimination, and do not materially improve net reclassification.© 2016 American Heart Association, Inc.
Intravenous heparin dosing strategy in hospitalized patients with atrial dysrhythmias. - Journal of thrombosis and thrombolysis
Patients with non-valvular atrial fibrillation (AF) have an elevated stroke risk that is 2-7 times greater than in those without AF. Intravenous unfractionated heparin (UFH) is commonly used for hospitalized patients with atrial fibrillation and atrial flutter (AFL) to prevent stroke. Dosing strategies exist for intravenous anticoagulation in patients with acute coronary syndromes and venous thromboembolic diseases, but there are no data to guide providers on a dosing strategy for intravenous anticoagulation in patients with AF/AFL. 996 hospitalized patients with AF/AFL on UFH were evaluated. Bolus dosing and initial infusion rates of UFH were recorded along with rates of stroke, thromboemobolic events, and bleeding events as defined by the International Society on Thrombosis and Haemostasis criteria. Among 226 patients included in the analysis, 76 bleeding events occurred. Using linear regression analysis, initial rates of heparin infusion ranging from 9.7 to 11.8 units/kilogram/hour (U/kg/h) resulted in activated partial thromboplastin times that were within therapeutic range. The median initial infusion rate in patients with bleeding was 13.3 U/kg/h, while in those without bleeding it was 11.4 U/kg/h; p = 0.012. An initial infusion rate >11.0 U/kg/h yielded an OR 1.95 (1.06-3.59); p = 0.03 for any bleeding event. Using IV heparin boluses neither increased the probability of attaining a therapeutic aPTT (56.1 vs 56.3 %; p = 0.99) nor did it significantly increase bleeding events in the study (35.7 vs 31.3 %; p = 0.48). The results suggest that higher initial rates of heparin are associated with increased bleeding risk. From this dataset, initial heparin infusion rates of 9.7-11.0 U/kg/h without a bolus can result in therapeutic levels of anticoagulation in hospitalized patients with AF/AFL without increasing the risk of bleeding.
The assessment of thrombotic markers utilizing ionic versus non-ionic contrast during coronary angiography and intervention trial. - Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
To determine how two different types of iodinated contrast media (CM), low-osmolar ionic dimer ioxaglate (Hexabrix) and iso-osmolar non-ionic dimer iodixanol (Visipaque), affect multiple indices of hemostasis.In vitro models demonstrate differential effects of ionic and non-ionic CM on markers of hemostasis.This blinded endpoint trial randomized 100 patients to ioxaglate or iodixanol. The primary endpoint was change in endogenous thrombin potential (ETP) following diagnostic angiography. Secondary endpoints included change in markers of fibrinolysis [tissue plasminogen activator (tPA) and plasminogen activator inhibitor 1 (PAI-1)] and platelet aggregation following diagnostic angiography and percutaneous coronary intervention (PCI) with bivalirudin. Data are presented as median [interquartile range].ETP significantly decreased after diagnostic angiography in both ioxaglate (baseline 1810 nM*minute [1540-2089] to post-angiography 649 nM*minute [314-1347], p < 0.001) and iodixanol groups (baseline 1682 nM*minute [1534-2147] to post-angiography 681 nM*minute [229-1237], p < 0.001), but the decrease was not different between CM (p = 0.70). There was a significant increase in ETP during PCI (n = 45), despite the use of bivalirudin, suggesting a prothrombotic effect of PCI (post-angiography 764 nM*minute [286-1283] to post-PCI 1081 nM*minute [668-1552], p = 0.02). There were no significant differential effects on tPA, PAI-1, and markers of platelet activity.There were no significant differential effects between ioxaglate and iodixanol. Both CM led to significant reductions in thrombin generation and no significant effects on fibrinolytic activity or platelet activity, thereby contributing to a favorable antithrombotic milieu. © 2015 Wiley Periodicals, Inc.© 2015 Wiley Periodicals, Inc.
Association Between Anemia, Bleeding, and Transfusion with Long-term Mortality Following Noncardiac Surgery. - The American journal of medicine
Preoperative anemia is a well-established risk factor for short-term mortality in patients undergoing noncardiac surgery, but appropriate thresholds for transfusion remain uncertain. The objective of this study was to determine long-term outcomes associated with anemia, hemorrhage, and red blood cell transfusion in patients undergoing noncardiac surgery.We performed a long-term follow-up study of consecutive subjects undergoing hip, knee, and spine surgery between November 1, 2008 and December 31, 2009. Clinical data were obtained from administrative and laboratory databases, and retrospective record review. Preoperative anemia was defined as baseline hemoglobin < 13 g/dL for men and < 12 g/dL for women. Hemorrhage was defined by International Classification of Diseases, Ninth Revision coding. Data on long-term survival were collected from the Social Security Death Index database. Logistic regression models were used to identify factors associated with long-term mortality.There were 3050 subjects who underwent orthopedic surgery. Preoperative anemia was present in 17.6% (537) of subjects, hemorrhage occurred in 33 (1%), and 766 (25%) received at least one red blood cell transfusion. Over 9015 patient-years of follow-up, 111 deaths occurred. Anemia (hazard ratio [HR] 3.91; confidence interval [CI], 2.49-6.15) and hemorrhage (HR 5.28; 95% CI, 2.20-12.67) were independently associated with long-term mortality after multivariable adjustment. Red blood cell transfusion during the surgical hospitalization was associated with long-term mortality (HR 3.96; 95% CI, 2.47-6.34), which was attenuated by severity of anemia (no anemia [HR 4.39], mild anemia [HR 2.27], and moderate/severe anemia [HR 0.81]; P for trend .0015).Preoperative anemia, perioperative bleeding, and red blood cell transfusion are associated with increased mortality at long-term follow-up after noncardiac surgery. Strategies to minimize anemia and bleeding should be considered for all patients, and restrictive transfusion strategies may be advisable. Further investigation into mechanisms of these adverse events is warranted.Copyright © 2016 Elsevier Inc. All rights reserved.
Role of Antiplatelet Therapy and Anticoagulation in Non-Ischemic Cardiomyopathy. - Cardiology in review
Heart failure continues to be a leading cause of morbidity and mortality throughout the United States. The pathophysiology of heart failure involves activation of complex neurohormonal pathways, many of which mediate not only hypertrophy and fibrosis within ventricular myocardium and interstitium, but also activation of platelets and alteration of vascular endothelium. Platelet activation and vascular endothelial dysfunction may contribute to the observed increased risk of thromboembolic events in patients with chronic heart failure. However, current data from clinical trials do not support routine use of chronic antiplatelet or oral anticoagulation therapy for ambulatory heart failure patients without other indications (atrial fibrillation and/or coronary artery disease) as the risk of bleeding seems to outweigh the potential benefit related to reduction in thromboembolic events. In this review, we consider the potential clinical utility of targeting specific pathophysiological mechanisms of platelet and vascular endothelial activation to guide clinical decision making in heart failure patients.
Rationale and design of the Investigation of Motivational Interviewing and Prevention Consults to Achieve Cardiovascular Targets (IMPACT) trial. - American heart journal
Patients undergoing cardiovascular procedures remain at increased risk for myocardial infarction, stroke, and cardiovascular death. Risk factor control in this patient population remains suboptimal and would likely benefit from strategies targeting education, lifestyle, and healthy behaviors.The IMPACT trial is a 400-subject prospective randomized trial designed to compare different cardiovascular prevention strategies in subjects following a cardiovascular intervention. The trial began enrollment in the Spring of 2012 and is randomizing subjects in a 1:1:1 manner to usual care, a one-time cardiovascular prevention consult, or a one-time cardiovascular prevention consult plus behavioral intervention program (telephone-based motivational interviewing and tailored text messages) over a 6-month period. The primary end point is non-high-density lipoprotein cholesterol. Secondary end points include other plasma lipid values, metabolic risk, smoking cessation, physical activity, dietary intake, medication use and adherence, and quality of life.The IMPACT trial provides data on different management strategies for risk factor optimization in subjects following cardiovascular procedures. The results will provide a platform for the continued development of novel multidisciplinary interventions in this high-risk population.Copyright © 2015 Elsevier Inc. All rights reserved.
Rap1 and its effector RIAM are required for lymphocyte trafficking. - Blood
Regulation of integrins is critical for lymphocyte adhesion to endothelium and trafficking through secondary lymphoid organs. Inside-out signaling to integrins is mediated by the small GTPase Rap1. Two effectors of Rap1 regulate integrins, RapL and Rap1 interacting adaptor molecule (RIAM). Using mice conditionally deficient in both Rap1a and Rap1b and mice null for RIAM, we show that the Rap1/RIAM module is not required for T- or B-cell development but is essential for efficient adhesion to intercellular adhesion molecule (ICAM) 1 and vascular cell adhesion molecule (VCAM) 1 and for proper trafficking of lymphocytes to secondary lymphoid organs. Interestingly, in RIAM-deficient mice, whereas peripheral lymph nodes (pLNs) were depleted of both B and T cells and recirculating B cells were diminished in the bone barrow (BM), the spleen was hypercellular, albeit with a relative deficiency of marginal zone B cells. The abnormality in lymphocyte trafficking was accompanied by defective humoral immunity to T-cell-dependent antigens. Platelet function was intact in RIAM-deficient animals. These in vivo results confirm a role for RIAM in the regulation of some, but not all, leukocyte integrins and suggest that RIAM-regulated integrin activation is required for trafficking of lymphocytes from blood into pLNs and BM, where relatively high shear forces exist in high endothelial venules and sinusoids, respectively.© 2015 by The American Society of Hematology.
Effect of Colchicine on Platelet-Platelet and Platelet-Leukocyte Interactions: a Pilot Study in Healthy Subjects. - Inflammation
The cardioprotective mechanisms of colchicine in patients with stable ischemic heart disease remain uncertain. We tested varying concentrations of colchicine on platelet activity in vitro and a clinically relevant 1.8-mg oral loading dose administered over 1 h in 10 healthy subjects. Data are shown as median [interquartile range]. Colchicine addition in vitro decreased light transmission platelet aggregation only at supratherapeutic concentrations but decreased monocyte- (MPA) and neutrophil-platelet aggregation (NPA) at therapeutic concentrations. Administration of 1.8 mg colchicine to healthy subjects had no significant effect on light transmission platelet aggregation but decreased the extent of MPA (28 % [22-57] to 22 % [19-31], p = 0.05) and NPA (19 % [16-59] to 15 % [11-30], p = 0.01), platelet surface expression of PAC-1 (370 mean fluorescence intensity (MFI) [328-555] to 333 MFI [232-407], p = 0.02) and P-selectin (351 MFI [269-492] to 279 [226-364], p = 0.03), and platelet adhesion to collagen (10.2 % [2.5-32.6] to 2.0 % [0.2-9.5], p = 0.09) 2 h post-administration. Thus, in clinically relevant concentrations, colchicine decreases expression of surface markers of platelet activity and inhibits leukocyte-platelet aggregation but does not inhibit homotypic platelet aggregation.

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