Bruce C. Berger
Thomas Jefferson University Hospital
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Featured researches published by Bruce C. Berger.
American Heart Journal | 1983
Sheldon Goldberg; Arnold J. Greenspon; Paul L. Urban; Barbara Muza; Bruce C. Berger; Paul Walinsky; Peter R. Maroko
We studied the effects of coronary recanalization on arrhythmogenesis in patients undergoing intracoronary thrombolysis during the early hours of myocardial infarction. Catheterization, ventriculography, coronary angiography, and intracoronary streptokinase infusion were performed in 22 patients. Twenty-one of 22 had thrombotic total occlusion of the infarct-related transient thrombolysis with reocclusion by the end of the procedure. In 12 of these 17 patients, restoration of antegrade coronary flow was accompanied by transient arrhythmia. In these 12 patients coronary angiography within seconds of onset of arrhythmia showed vessel patency in a previously totally occluded coronary artery. Two additional patients developed arrhythmias during streptokinase infusion but after reperfusion had already been established. Accelerated idioventricular rhythm was most often noted. Sinus bradycardia and atrioventricular block with hypotension occurred during restoration of flow in arteries supplying the inferoposterior left ventricle. These arrhythmias may be useful noninvasive markers of successful reperfusion during thrombolytic therapy in acute myocardial infarction.
The New England Journal of Medicine | 1988
Allan M. Greenspan; Harold R. Kay; Bruce C. Berger; Richard M. Greenberg; Arnold J. Greenspon; Mary Jane Spuhler Gaughan
Because of allegations that the implantation of many permanent cardiac pacemakers has been unjustified, we reviewed the indications for all new pacemakers implanted at 30 hospitals in Philadelphia County between January 1 and June 30, 1983, and paid for by Medicare. Complete chart data were evaluated for 382 implants. We determined whether the indications for implantation were appropriate and adequately documented on the basis of standard clinical practice. Implants were classified as possibly indicated primarily because of inadequate diagnostic evaluation (63 percent) or inadequate documentation of an accepted indication (36 percent). Implants were classified as not indicated primarily because a rhythm abnormality was incorrectly identified as a justifiable indication (84 percent). We found that 168 implants (44 percent) were definitely indicated, 137 (36 percent) possibly indicated, and 77 (20 percent) not indicated. Unwarranted implantation was both prevalent (73 percent of hospitals had an incidence of 10 percent or more) and independent of the type of hospital (university teaching, university-affiliated, and community hospitals). The additional tests most often required to clarify the need for a pacemaker in inadequately evaluated cases included electrophysiologic studies (37 percent) and ambulatory monitoring (31 percent). We conclude that in a large medical population in 1983, the indications for a considerable number of permanent pacemakers were inadequate or incompletely documented.
Journal of Trauma-injury Infection and Critical Care | 1981
Karen S. Rheuban; Dorothy G. Tompkins; Stanton P. Nolan; Bruce C. Berger; Randolph P. Martin; Joel A. Schneider
A 4-year-old child is described who suffered an unsuspected myocardial contusion which led to the formation of a ventricular aneurysm 2 months after an automobile accident. Electrocardiography, thallium scanning, myocardial enzyme assays, two-dimensional echocardiography and, when indicated, cardiac catheterization, may aid in the early diagnosis of cardiac contusions. In the patient presented, resection of the aneurysm 6 months postinjury was followed by elimination of almost all the mitral regurgitation originally present and good cardiovascular function.
Clinical Nuclear Medicine | 1985
Anil G. Desai; Bruce C. Berger; Yung W. Shin; Chan H. Park; Mark T. Madsen
To evaluate the contribution of Tc-99m pyrophosphate scintigraphy (TPS) on the overall management of patients suspected of having acute myocardial infarction (AMI), hospital records of 58 consecutive patients who underwent TPS, were evaluated in depth. The results indicate that TPS was essential for the diagnosis of AMI in 16% of the patients. TPS was most rewarding in perioperative patients and in patients with borderline or uninterpretable electrocardiographs and enzyme changes. Also, in some cases, TPS was able to confirm or exclude the diagnosis of AMI prior to the confirmation by serial electrocardiograms (ECG) and serial enzyme changes. TPS was less rewarding in patients with clinically low index of suspicion for AMI. It may also be confusing in patients with high clinical likelihood of AMI and a history of prior myocardial infarction because of the possibility of persistently positive TPS in some of these patients. Considering the limitations of ECGs, the cardiac enzymes, and atypical clinical presentations in the patient population we evaluated, TPS appears to be fairly accurate when the scintigraphic findings are compared with the final diagnosis at the time of discharge from the hospital.
The Journal of Nuclear Medicine | 1981
Bruce C. Berger; Denny D. Watson; George J. Taylor; George B. Craddock; Randolph P. Martin; Charles D. Teates; George A. Beller
American Journal of Cardiology | 1983
Bruce C. Berger; Richard Abramowitz; Chan H. Park; Anil G. Desai; Mark T. Madsen; Edward K. Chung; Albert N. Brest
American Journal of Cardiology | 1984
Richard Abramowitz; Joseph F. Majdan; Louis Plzak; Bruce C. Berger
American Journal of Cardiology | 1982
Sheldon Goldberg; Paul Urban; Arnold J. Greenspon; Bruce C. Berger; Paul Walinsky; Peter R. Maroko; Thomas Jefferson
American Journal of Cardiology | 1980
Facc George A. Beller; Denny D. Watson; Bruce C. Berger; Randolph P. Martin; George J. Taylor
American Journal of Cardiology | 1980
Denny D. Watson; Norman P.S. Campbell; Bruce C. Berger; George A. Beller