E Gordon Depuey, Virendra Mathur, Robert J. Hall, John A. Burdine
{"title":"Infarct-induced wall motion abnormalities in aortocoronary bypass patients: Correlation with electrocardiographic, enzymatic, and scintigraphic diagnostic criteria.","authors":"E Gordon Depuey, Virendra Mathur, Robert J. Hall, John A. Burdine","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Gated isotope ventriculograms performed 7 to 12 days postoperatively in 50 aortocoronary bypass patients with perioperative myocardial infarction (POMI) were compared with preoperative contrast ventriculograms. The diagnosis of POMI was based on serial electrocardiograms (EKGs), cardiac enzyme studies, and (99m)Tc-pyrophosphate (PYP) scintigraphy. Seven patients exhibited no new regional wall motion abnormalities. Nine had new areas of localized hypokinesis. The remaining 34 demonstrated localized akinesis or dyskinesis; 12 of these also exhibited a greater than 20% decrease in ejection fraction. The severity of the postoperative wall motion abnormality was paralleled by the intensity of PYP accumulation but not necessarily by the degree of cardiac enzyme elevation. Because they occurred in only 62% of patients, new Q waves were considered an insensitive indicator of POMI. Our study revealed that POMI frequently produces significant changes in left ventricular kinetics. Of the standard techniques utilized, the PYP scan had the greatest predictive value.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 4","pages":"382-396"},"PeriodicalIF":0.0,"publicationDate":"1980-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287881/pdf/cardiodis00008-0050.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Histrionics, vignettes and quartets: A syndrome of stress in heart surgeons.","authors":"John C. Norman","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 4","pages":"339-343"},"PeriodicalIF":0.0,"publicationDate":"1980-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287876/pdf/cardiodis00008-0007.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24584316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
John M. Kratz, Robert M. Sade, Bruce W. Usher, Joe E. Gaddy
{"title":"Traumatic disruption of the fibrous skeleton of the heart, with injury of the tricuspid and mitral valves, aortic annulus, and ventricular septum.","authors":"John M. Kratz, Robert M. Sade, Bruce W. Usher, Joe E. Gaddy","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In an automobile accident, a young man sustained blunt trauma to the chest that caused injury to the fibrous skeleton of the heart. The mitral and tricuspid valves and their annuli were lacerated, the aortic annulus was separated from the ventricular septum, and the ventricular septum was disrupted; however, with surgical management, the patient survived.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"288-293"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287866/pdf/cardiodis00007-0056.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Michael G. McGee, Michael Szycher, Stephen A. Turner, Warren Clay, Ruben Trono, John M. Fuqua, John C. Norman
{"title":"Use of a composite Biomer-butyl rubber/Biomer material to prevent transdiaphragmatic water permeation during long-term, electrically-actuated left ventricular assist device (LVAD) pumping.","authors":"Michael G. McGee, Michael Szycher, Stephen A. Turner, Warren Clay, Ruben Trono, John M. Fuqua, John C. Norman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The pumping diaphragm of the Texas Heart Institute (THI) E-Type ALVAD must perform the dual functions of providing a flexible blood interface and isolating the electrical actuator from adjacent fluids. Thus, protection is required against fluid leakage and moisture diffusion to prevent corrosion and damage to electrical actuator components. Average diffusion rates up to 1 ml per day through currently used elastomeric diaphragm materials have been measured during static in-vitro and in-vivo tests. To circumvent this problem, an improved pumping diaphragm has been recently developed for use with the electrically-actuated THI E-Type ALVAD. This trilaminar diaphragm consists of a composite Biomer and butyl rubber design. A.010 inch layer of butyl rubber (characterized by an extremely low diffusion rate for water, approximately 0 ml per day) is positioned between two Biomer layers (.020 and.010 inches in thickness). Initial invitro and in-vivo studies, in calves, indicate that this composite diaphragm provides an excellent barrier to water permeation, without sacrificing biocompatibility or structural integrity under conditions of chronic flexure.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"278-287"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287865/pdf/cardiodis00007-0046.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S A Turner, M I Bossart, T Klima, R D Leachman, D A Cooley, J C Norman
{"title":"Persistent atrial paralysis: Case report with light microscopy and ultrastructural analyses.","authors":"S A Turner, M I Bossart, T Klima, R D Leachman, D A Cooley, J C Norman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Persistent atrial paralysis in a patient with complete heart block and mild mitral insufficiency is presented. Left atrial specimens obtained during implantation of a permanent cardiac pulse generator showed evidence of hypertrophy and fibrosis; subcellular degenerative changes ranged from near normal to irreversible, thus suggesting that atrial paralysis may be due to the replacement of normal atrial muscle with nonfunctional fibrous tissue.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"272-277"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287864/pdf/cardiodis00007-0040.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Real-time ultrasonic imaging of the peripheral arteries: Technique, normal anatomy, and pathology.","authors":"Thomas Hashway, Jeff Raines","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Real-time ultrasonic echo imaging of peripheral arteries promises to facilitate the management of selected patients with peripheral and extracranial arterial disease. This report outlines the technique of imaging the carotid system and portions of the arteries that supply the lower extremities. It also discusses the normal and pathologic anatomy of these arteries.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"257-265"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287862/pdf/cardiodis00007-0025.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carlos R. Vozzi, Leonard W. Pechacek, Efrain Garcia, Virendra S. Mathur, Carlos M. De Castro, Robert J. Hall
{"title":"Two-dimensional echocardiography in the diagnosis of unusual left atrial myxomas.","authors":"Carlos R. Vozzi, Leonard W. Pechacek, Efrain Garcia, Virendra S. Mathur, Carlos M. De Castro, Robert J. Hall","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In two patients with atypical myxomas of the left atrium, two-dimensional echocardiography furnished valuable diagnostic information. In one patient, who had previously developed an embolism at the right brachial artery, M-mode echocardiography revealed an abnormal band of echoes within the left atrium. Two-dimensional echocardiography showed a globular cluster of echoes that remained within the left atrial cavity throughout the cardiac cycle; left ventricular angiography confirmed the ultrasonic findings of an intraatrial mass. At surgery, a calcified, nonprolapsing myxoma was excised from the interatrial septum. The second patient had clinical as well as M-mode echographic features of mitral stenosis. Cardiac catheterization showed a significant gradient across the mitral valve, but the left ventriculogram was normal except for an unusual pattern of mitral regurgitation. Subsequent two-dimensional echocardiography revealed a mass of echoes that prolapsed through the mitral valve during diastole. At surgery, a left atrial myxoma was found attached to the posterior mitral annulus. Our experience indicates that two-dimensional ultrasound is superior to conventional echocardiography for detecting unusual cardiac masses.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"246-256"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287861/pdf/cardiodis00007-0014.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Terence H. Pringle, Ira S. Ockene, John P. Howe, Bruce S. Cutler, Thomas J. Vander Salm
{"title":"Origin of the left anterior descending coronary artery from the pulmonary artery: An unusual cause of angina in a middle-aged woman.","authors":"Terence H. Pringle, Ira S. Ockene, John P. Howe, Bruce S. Cutler, Thomas J. Vander Salm","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A 48-year-old woman was admitted to our institution with angina pectoris and a systolic murmur. At cardiac catheterization, she was found to have an anomalous origin of the left anterior descending coronary artery from the pulmonary trunk. There was also an associated atrial septal defect and a bicuspid aortic valve.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"302-306"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287869/pdf/cardiodis00007-0070.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Economic factors and policies related to the artificial heart.","authors":"John T. Watson","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"239-245"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287860/pdf/cardiodis00007-0007.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Clement C. Ugorji, Stephen A. Turner, Michael G. McGee, Thomas M. Fuhrman, Denton A. Cooley, John C. Norman
{"title":"Transascending aortic intraaortic balloon insertion with delayed sternal closure: A retrospective analysis.","authors":"Clement C. Ugorji, Stephen A. Turner, Michael G. McGee, Thomas M. Fuhrman, Denton A. Cooley, John C. Norman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Intraaortic balloon pumping (IABP) is an established therapeutic adjunct in the treatment of postcardiotomy/infarction low cardiac output states. Although the common femoral or iliac arteries are the preferred sites for balloon insertion, severe arterial occlusive disease may preclude entry by these methods. To circumvent this problem, alternative methods of insertion utilizing transthoracic approaches have evolved. In our institution, direct (transaortic) IABP insertion, combined with delayed sternal closure to avoid cardiac compression and possible tamponade, was performed in 28 adult postcardiotomy patients (mean age 60.4 +/- 3 years). The severity of generalized atherosclerosis was reflected in an overall survival rate of 28.6%. Retrospective analyses of the clinical courses of these patients revealed that the transaortic approach allowed utilization of larger and more effective balloons. Successful insertion of 30 and 40 ml balloons was accomplished in 27 of 28 (96%) of these patients, and one patient with a hypoplastic aorta required a 20 ml balloon. There were no complications directly attributable to this alternative site of balloon insertion, and tamponade was avoided. Delayed sternal closure was accomplished within 48 to 96 hours. We concluded that when severe peripheral vascular occlusive disease prevents insertion of intraaortic balloons via the femoral or iliac arteries in patients with low cardiac output, the alternative transaortic approach is indicated. Combined with delayed sternal closure in patients with postcardiotomy dilatation, additional benefits accrue.</p>","PeriodicalId":84396,"journal":{"name":"Cardiovascular diseases","volume":"7 3","pages":"307-315"},"PeriodicalIF":0.0,"publicationDate":"1980-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC287870/pdf/cardiodis00007-0075.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24583518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}