Academic literature on the topic 'Bypass coronarico'
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Journal articles on the topic "Bypass coronarico"
Ramunno, Vittoria, Felicia Visconti, Sabrina Chiloiro, Laura Rossi, Antonella Giampietro, Alfredo Pontecorvi, Laura De Marinis, and Antonio Bianchi. "Dalla cardiochirurgia alla neurochirurgia: un caso di apoplessia ipofisaria dopo bypass aorto-coronarico con chiara evidenza RMN." L'Endocrinologo 22, no. 2 (March 16, 2021): 156–57. http://dx.doi.org/10.1007/s40619-021-00847-y.
Full textMendoza Mendoza, Diana Carolina, Paula Alejandra Jaramillo Ochoa, Ricardo Javier Calva Sánchez, and Santiago Jair Cárdenas Estrella. "Injerto de derivación coronaria." RECIMUNDO 6, no. 4 (November 20, 2022): 532–39. http://dx.doi.org/10.26820/recimundo/6.(4).octubre.2022.532-539.
Full textQUARTERONI, ALFIO, and GIANLUIGI ROZZA. "OPTIMAL CONTROL AND SHAPE OPTIMIZATION OF AORTO-CORONARIC BYPASS ANASTOMOSES." Mathematical Models and Methods in Applied Sciences 13, no. 12 (December 2003): 1801–23. http://dx.doi.org/10.1142/s0218202503003124.
Full textFlores-Mendoza, Jessica Berenice, Sara Minory Méndez-González, Sharab Vázquez-Pérez, and José Luis Aceves Chimal. "Cirugía de bypass coronario: una visión en salud mental desde el modelo biopsicosocial." Ciencia Latina Revista Científica Multidisciplinar 7, no. 1 (February 7, 2023): 3151–61. http://dx.doi.org/10.37811/cl_rcm.v7i1.4648.
Full textGallino, Augusto, and Francesco Siclari. "Síndrome coronario agudo en pacientes con bypass arterial coronario previo." Revista Española de Cardiología 63, no. 5 (May 2010): 516–17. http://dx.doi.org/10.1016/s0300-8932(10)70112-3.
Full textBlasco, Felipe, Joaquín Hernández, Cándido Masa, M. Cruz Carreño, L. Juan Martínez, and Letona. "Pleuropericarditis por Mycoplasma tras bypass coronario." Enfermedades Infecciosas y Microbiología Clínica 20, no. 1 (January 2002): 45–47. http://dx.doi.org/10.1016/s0213-005x(02)72737-7.
Full textLópez de la C., Yoandy, and Ricardo Zalaquett S. "50 años de cirugía de bypass coronario." Revista chilena de cardiología 36, no. 3 (December 2017): 285–88. http://dx.doi.org/10.4067/s0718-85602017000300285.
Full textHartyánszky, István, Krisztina Kádár, Sándor Mihályi, and Edgár Székely. "Takeuchi-műtét, egy ritka szívműtét első sikeres hazai alkalmazásar." Magyar Sebészet 60, no. 3 (June 1, 2007): 140–42. http://dx.doi.org/10.1556/maseb.60.2007.3.4.
Full textVígh, András, Aref Rashed, Nasri Alotti, and József Sipos. "Endoscopic saphenic vein harvesting during coronary artery bypass operations." Orvosi Hetilap 149, no. 33 (August 1, 2008): 1561–64. http://dx.doi.org/10.1556/oh.2008.28384.
Full textHalmai, László, Róbert Sepp, Attila Thury, Henriette Gavallér, Imre Ungi, and László Rudas. "Coronary artery dissection in the postpartum period – a case study." Orvosi Hetilap 149, no. 10 (March 1, 2008): 457–63. http://dx.doi.org/10.1556/oh.2008.28012.
Full textDissertations / Theses on the topic "Bypass coronarico"
GAROFFOLO, GLORIA. "Cell- and Tissue-based mechanosensation in programming and progression of coronary vein graft disease." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/304792.
Full textDespite the preferred application of arterial conduits, the greater saphenous vein (SV) remains indispensable for coronary artery bypass grafting (CABG), especially in multi-vessel coronary artery disease. Early remodeling induced by altered wall mechanics has been recognized to play a key role in SV graft disease. The mechanism remains, however, unknown. The aim of this work was to unveil the existence of a mechanical effect in SV graft failure, due to changes in the hemodynamic conditions occurring in SV grafts after transplantation into coronary position. SV segments from patients receiving coronary artery bypass grafts were stimulated in a coronary ‘pulse-duplicator’ bioreactor with either CABG or venous hemodynamic conditions. Human saphenous vein derived-smooth muscle cells (SMCs) and adventitial progenitors (SVPs) were mechanically stretched in vitro using Flexcell Tension System. The pro-pathological differentiation of resident cells in the vein, resulting from exposure to coronary flow, derives from a mechano-perception phenomenon. In particular, adventitial cells are activated by the release of Thrombospondin-1 by stretched smooth muscle cells in the veins exposed to coronary flow, thus suggesting a connection between the mechanical stress experienced by the vascular wall and the remodeling of the bypass. In addition, a gene enrichment analysis of transcripts up/downmodulated by mechanical stress revealed the involvement of a mechanosensing transcriptional circuitry (HIPPO/YAP/TEAD pathway) in cells stimulated with the cyclic strain. These findings suggest the existence of a ‘mechano-paracrine’ effect due to CABG-specific wall strain in SV grafts. This process has consequences for recruitment of adventitial progenitor cells, and a fibrotic-like process possibly involved in pathologic programming of SV graft failure.
Valera, Rojas Rosa Natali. "Apoyo educativo para el autocuidado de personas operadas de bypass aorto coronario Essalud, Chiclayo 2010." Thesis, Universidad Católica Santo Toribio de Mogrovejo, 2012. http://tesis.usat.edu.pe/jspui/handle/123456789/112.
Full textValera, Rojas Rosa Natali, and Rojas Rosa Natali Valera. "Apoyo educativo para el autocuidado de personas operadas de bypass aorto coronario Essalud, Chiclayo 2010." Bachelor's thesis, Universidad Católica Santo Toribio de Mogrovejo, 2012. http://tesis.usat.edu.pe/handle/usat/378.
Full textTesis
Neto, Othon Amaral. "Alterações histopatológicas de stents metálicos no endotélio coronariano \"in vivo\"." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/82/82131/tde-15052012-143625/.
Full textTwo invasive techniques for the treatment of occlusive coronary atherosclerosis disease were signed over the years: coronary artery bypass surgery and transcutaneous angioplasty with bare metal stent. The study attempts to compare the histopathological abnormality caused in patients with implantation of bare metal stent in coronary made with: Chromium 20%, Tungsten 15%, Nickel 10% and Cobalt remainder, ASTM F.90 alloy for surgical implant applications, and covered with a thin layer of amorphous silicon carbide, or not, and its total or partial obstruction, after undergoing coronary artery bypass grafting, with those who had coronary artery bypass surgery with no previous angioplasty. Two groups were studied: group I, or control group, patients who underwent coronary artery bypass grafting without previous angioplasty of any kind; group II of patients undergoing coronary artery bypass surgery after coronary-stent restenosis. Patients in both groups were evaluated for the indication and surgical risk; was done routinely during the procedure of conventional coronary artery bypass grafting with cardiopulmonary bypass. Before performing the anastomosis in coronary vascular graft, a small fragment of the endothelium was removed along whit a fragment of the stent, and sent for analysis with hematoxilin-eosin. The presence of chronic inflammatory coronary reaction was detected, mediated by mononuclear cells with phenomenon of fibroblast and smooth muscle proliferation in patients presenting in-stent restenosis. It w coronary reaction as also observed that the inflammatory and proliferative process is more intense at the site of stent implantation. The analysis of surface of the stents used atomic force microscopy proved to be an important method for the surface analysis for stents, and showed on nanometric scale an irregular coverage of silicon carbide. In conclusion, in the patients with restenosis in-stent occurs persistence of chronic inflammation with mononuclear cells and process of fibroblast proliferation.
Burga, Salazar Jackes Anthony, and Cordova Nery del Rosario Peña. "Factores de riesgo de infarto de miocardio en portadores de bypass aortocoronario atendidos en el hospital base Almanzor Aguinaga Asenjo, en el periodo 2006 - 2015." Bachelor's thesis, Universidad Católica Santo Toribio de Mogrovejo, 2019. http://tesis.usat.edu.pe/handle/usat/1653.
Full textTesis
Rocha, Bruno da Costa. "Remodelamento tardio da artéria torácica interna bilateral na revascularização do miocárdio: Influência do leito coronariano esquerdo." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/5/5156/tde-16102014-101136/.
Full textInternal thoracic artery grafts has demonstrated capacity for remodeling due to interaction with the coronary artery bed. The goal was to analysis the influence of clinical and angiographic factors in this remodeling as defined as grafts caliber variation. Methods: In a period from 1983 to 1999, 356 patients underwent to coronary artery bypass surgery using the left internal thoracic artery anastomosed to interventricular anterior branch and the right internal thoracic artery to circumflex branches. Thirty two patients were submitted to postoperative coronary angiography which was further analysed by CASS II® software. The mean follow-up of this observational study was 42 months(6- 204 months). Angiographic variables analyzed was proximal and distal diameters of arterial grafts(dependent variable), coronary area, TIMI flow grade, proximal stenosis diameter, dominant distal flow and patent branches. Cardiovascular risk factors were included indeed. Results: The multiple regression model demonstrated R2adjusted=0.69 (p=0.0001) for right side and R2adjusted=0.46 (p=0.002) for left side. The grafts presented proximal and distal diameters of 2.67mm ±0.085 and 2.232mm ±0.085 from left side; 2.458mm ±0.088 and 2.010mm ±0.091 (mean±SE) from right side respectively (p > 0,05). None of the clinical variables had statistical significant correlation. The coronary area presented as a beta coefficient=0.42 (0.14-0.6/CI-95%) and proximal stenosis diameter of 0.55 (0.40-0.65/CI-95%) for right side remodeling. The coronary area shown a beta coefficient=0.54 (0.3- 0.68/CI-95%) for left side remodeling. Conclusions: The internal thoracic artery did not demonstrate difference in caliber about its laterality (left vs right). The proximal stenosis degree of the bypassed coronary artery demonstrated positive correlation with remodeling for the right side grafts. Bilateral grafts remodeling was only explained by positive correlation with the bypassed coronary area
Riera, Sagrera María. "Cirugía cardiaca en el hospital universitario Son Dureta: Análisis de morbimortalidad y factores asociados." Doctoral thesis, Universitat de les Illes Balears, 2011. http://hdl.handle.net/10803/52187.
Full textXiong, Feng. "Mechanism and Prediction of Post-Operative Atrial Fibrillation Based on Atrial Electrograms." Thèse, 2012. http://hdl.handle.net/1866/9723.
Full textAtrial fibrillation (AF) is an abnormal heart rhythm (cardiac arrhythmia). In AF, the atrial contraction is rapid and irregular, and the filling of the ventricles becomes incomplete, leading to reduce cardiac output. Atrial fibrillation may result in symptoms of palpitations, fainting, chest pain, or even heart failure. AF is an also an important risk factor for stroke. Coronary artery bypass graft surgery (CABG) is a surgical procedure to restore the perfusion of the cardiac tissue in case of severe coronary heart disease. 10% to 65% of patients who never had a history of AF develop AF on the second or third post CABG surgery day. The occurrence of postoperative AF is associated with worse morbidity and longer and more expensive intensive-care hospitalization. The fundamental mechanism responsible of AF, especially for post-surgery patients, is not well understood. Identification of patients at high risk of AF after CABG would be helpful in prevention of postoperative AF. The present project is based on the analysis of cardiac electrograms recorded in patients after CABG surgery. The first aim of the research is to investigate whether the recordings display typical changes prior to the onset of AF. A second aim is to identify predictors that can discriminate the patients that will develop AF. Recordings were made by the team of Dr. Pierre Pagé on 137 patients treated with CABG surgery. Three unipolar electrodes were sutured on the epicardium of the atria to record continuously during the first 4 post-surgery days. As a first stage of the research, an automatic and unsupervised algorithm was developed to detect and distinguish atrial and ventricular activations on each channel, and join together the activation of the different channels belonging to the same cardiac event. The algorithm was developed and optimized on a training set, and its performance assessed on a test set. Validation software was developed to prepare these two sets and to correct the detections over all recordings that were later used in the analyses. It was complemented with tools to detect, label and validate normal sinus beats, atrial and ventricular premature activations (PAA, PVC) as well as episodes of arrhythmia. Pre-CABG clinical data were then analyzed to establish the preoperative risk of AF. Age, serum creatinine and prior myocardial infarct were found to be the most important predictors. While the preoperative risk score could to a certain extent predict who will develop AF, it was not correlated with the post-operative time of AF onset. Then the set of AF patients was analyzed, considering the last two hours before the onset of the first AF lasting for more than 10 minutes. This prolonged AF was found to be usually triggered by a premature atrial PAA most often originating from the left atrium. However, along the two pre-AF hours, the distribution of PAA and of the fraction of these coming from the left atrium was wide and inhomogeneous among the patients. PAA rate, duration of transient atrial arrhythmia, sinus heart rate, and low frequency portion of heart rate variability (LF portion) showed significant changes in last hour before the onset of AF. Comparing all other PAA, the triggering PAA were characterized by their prematurity, the small value of the maximum derivative of the electrogram nearest to the site of origin, as well as the presence of transient arrhythmia and increase LF portion of the sinus heart rate variation prior to the onset of the arrhythmia. The final step was to compare AF and Non-AF patients to find predictors to discriminate the two groups. Five types of logistic regression models were compared, achieving similar sensitivity, specificity, and ROC curve area, but very low prediction accuracy for Non-AF patients. A weighted moving average method was proposed to design to improve the accuracy for Non-AF patient. Two models were favoured, selected on the criteria of robustness, accuracy, and practicability. Around 70% Non-AF patients were correctly classified, and around 75% of AF patients in the last hour before AF. The PAA rate, the fraction of PAA initiated in the left atrium, pNN50, the atrio-ventricular conduction time, and the correlation between the latter and the heart rhythm were common predictors of these two models.
Book chapters on the topic "Bypass coronarico"
Barbato, Emanuele, and Fabio Mangiacapra. "Functional coronary assessment: fractional flow reserve." In ESC CardioMed, 640–43. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0135.
Full textConference papers on the topic "Bypass coronarico"
Folts, J. D. "A MODEL OF ACUTE PLATELET THROMBUS FORMATION IN STENOSED CORONARY AND CAROTID ARTERIES." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643712.
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