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1. Contemporary antithrombotic strategies in patients with acute coronary syndromes managed without revascularization: insights from the EYESHOT study

Author

De Luca, Leonardo, Leonardi, Sergio, Smecca, Ignazio Maria, Formigli, Dario, Lucci, Donata, Gonzini, Lucio, Tuccillo, Bernardino, Olivari, Zoran, Gulizia, Michele Massimo, Bovenzi, Francesco Maria, De Servi, Stefano, Caporale, R., Cavallini, C., Ceravolo, R., Lupi, A., Musumeci, G., Rakar, S., Maggioni, A. P., Lorimer, A., Orsini, G., Fabbri, Giorgio, Bianchini, E., Abrignani, M. G., Bonura, F., Trimarco, B., Galasso, Giorgia, Misuraca, G., Manes, M. T., Irace, Lorenzo, Totis, O., Ledda, A., Mauro, C., Boccalatte, M., Iliceto, S., Cacciavillani, L., Savonitto, S., Tortorella, G., Esposito, L., DE ROSA, Paolo, Calabrò, P., Bianchi, R., Napoletano, C., Lalla Piccioni, L., Pavesi, P. C., Boni, Allegra, Merenda, R., Wolff, S., De Ferrari, G. M., Camporotondo, R., Gambino, Paolo, Cutaia, A., Picariello, C., Cemin, R., Chiarella, F., Grazioli Gauthier, L., Mircoli, L., Del Pinto, M., Finocchiaro, M. L., Scioli, R., Farina, R., Naddeo, C., Scherillo, M., Santopietro, S., Metra, M., Costa, F., Calculli, G., Troito, G., Pennisi, V., Adornato, E. M. F., Pirelli, S., Fadin, B. M., Di Biase, M., Ieva, R., Zuin, G., Sanfilippo, N., Mancuso, LAURA CATERINA, Pani, Luisa Anna, Serra, Eleonora, Marenzi, G., Assanelli, E. M., Ansalone, G., Cacciotti, L., Morocutti, G., Fresco, C., Berti, S., Paradossi, U., Bozzano, A., Mauro, A., Noussan, P., Zanini, P., Bolognese, L., Falsini, G., Costa, P., Manca, G., Caldarola, P., Locuratolo, N., Cipolla, T., Becchina, M., Cocco, Gabriele, Scalera, G., Stefanelli, S., Giunta, N., Sinagra, G., Meloni, L., Lai, O., Chiaranda, G., Luca, G., Sleiman Helou, J., Biscottini, E., Magliari, F., Callerame, M., Uguccioni, M., Pugliese, M., Sanchez, F., Tartaglione, S., Ignone, G., Mavilio, G., Mantovan, R., Bini, R., Caico, S. I., Demolli, V., Proietti, F., Michisanti, M., Musmeci, G., Cantamessa, P., Sicuso, G., Micalef, S. S., Accogli, M., Zaccaria, MICHELA MARIA, Caputo, M., Di Paolo, G., Piatti, L., Farina, A., Vicinelli, P., Paloscia, L., Di Clemente, D., Felis, S., Castini, D., Rota, C., Casu, Gabriella, Bonano, S., Margheri, M., Ricci Lucchi, G., Serdoz, R., Proietti, P., Autore, C., Conti, E., Russo, V., Orlando, P., Ramondo, A. B., Bontorin, M., Marcolongo, M., Marrara, F., Maestroni, A., Vitti, P., Rodella, P., Bonetti, P., Elia, M., Lumare, R., Politi, A., Gritti, S., Poletti, F., Mafrici, A., Fusco, R., Bongo, A. S., Bacchini, S., Gasparetto, V., Ferraiuolo, G., Campana, C., Bonatti, R., Gaita, F., Bergerone, S., Bonmassari, R., Zeni, P., Langialonga, T., Scarcia, A., Caravita, L., Musacchio, E., Augello, G., Usmiani, T., Stomaci, B., Cirino, D., Pierini, S., Bottiglieri, G., Liso, A., Mussardo, M., Tosi, P., Sala, R., Belloni, A., Blengino, S., Lisi, E., Delfino, P., Auguadro, C., Brunazzi, M. C., Pacchioni, E., Fattore, L., Bosco, B., Blandizzi, S., Pajes, G., Patruno, N., Perna, G. P., Francioni, M., Favale, S., Vestito, D., Lombardi, A., Capecchi, A., Ferrero, P., De Vincenzo, C., Magri, G., Indolfi, C., De Rosa, S., Rossi, M., Collarini, L., Agnelli, D., Conti, G., Tonelli, C., Spadaro, C., Negroni, S., Di Noto, G., Lanari, A., Casolo, G., Del Meglio, J., Negrini, M., Celentano, A., Sifola, C., Rellini, G., Della Mattia, A., Molero, U., Piovaccari, G., Grosseto, D., Callegarin, L., Fiasconaro, G., Crivello, R., Thiebat, B., Leone, G., Tamburino, C., Caruso, G., Cassadonte, F., Sassone, B., Fuca, G., Sormani, L., Percoco, G. F., Mazzucco, R., Cazzani, E., Gianni, M., Limido, A., Luvini, M., Guglielmi, R., Mannarini, A., Moruzzi, P., Pastori, P., Golia, B., Marzano, A., Orazi, S., Marchese, I., Anselmi, M., Girardi, P., Nassiacos, D., Meloni, S., Busacca, P., Generali, C. A., Corda, S., Costanza, G., Montalto, S., Argenziano, L., Tommasini, P., Emdin, M., Pasanisi, E. M., Colivicchi, F., Tubaro, M., Azzolini, P., Luciani, C., Doronzo, B., Coppolino, A., Dellavesa, P., Zenone, F., Di Marco, A., De Conti, F., Piccinni, G. C., Gualtieri, M. R., Bisignani, G., Leone, A., Arcuri, G. M., Marinacci, L., Rossi, P., Perotti, S., Cotti Cometti, V., Arcidiacono, S., Tramontana, M., Bazzucchi, M., Mezzetti, P., Romano, M., Villani, R., Di Giovambattista, R., Volpe, B., Tedesco, L., Carini, M., Vinci, S., Paolini, E. A., Busoni, F., Piergentili, C., Navazio, A., Manca, F., Cocco, F., Pennetta, C. A., Maggiolini, S., Galbiati, R., Bruna, C., Ferrero, L., Brigido, S., Barducci, E., Musacchio, D., Manduca, B., Marchese, D., Patrassi, L. A., Pattarino, F. A., Rocchi, M., Briglia, S., Fanelli, R., Villella, M., Gronda, E., Massa, D., Lenti, V., Di Gregorio, L., Bottero, M., Bazzanini, F., Braggion, G., Antoniceli, R., Caraceni, D., Guzzo, V., Di Giovanni, P., Scarpini, S., Severgnini, B., Musolino, M. F., Della Casa, S., Gobbi, M., Arena, G., Bonizzato, S., Agnoletto, V., Sansoni, S., Pes, R. A. M., Denti, S., Polizzi, G. M., Pino, R., Commisso, B., Merlino, A., Di Lorenzo, L., Porchetta, I., Del Furia, F., Colombi, E., Covini, D., Cavalieri, F., Antonaci, S., Rubino, G., Ciulla, A., Bui, F., Casorelli, E., Caliendo, L., Laezza, A., Americo, L., Schillaci, A. M., Cordoni, M., Barsotti, L., Gaudio, C., Barilla, F., Cannone, M., Memeo, R., Truncellito, L., Andriani, A., Salituri, S., Verrina, F., Pafi, M., Sebastiani, M. L., Amico, A. F., Scolozzi, D., D'Alea, A., Catanzariti, D., Angheben, C., Ottaviano, A., and Levantesi, G.

Subjects
Male, Ticagrelor, medicine.medical_specialty, Acute coronary syndrome, medicine.medical_treatment, Conservative strategy, Population, Acute coronary syndromes, Revascularization, acute coronary syndromes, anticoagulant, antithrombotic therapy, conservative strategy, prasugrel, ticagrelor, aged, coronary care units, female, fibrinolytic agents, follow-up studies, hospital mortality, humans, iItaly, length of stay, male, myocardial revascularization, retrospective studies, survival rate, thrombolytic therapy, practice guidelines as topic, Fibrinolytic Agents, Anticoagulant, Antithrombotic therapy, Prasugrel, Acute Coronary Syndrome, Aged, Coronary Care Units, Female, Follow-Up Studies, Hospital Mortality, Humans, Italy, Length of Stay, Myocardial Revascularization, Retrospective Studies, Survival Rate, Thrombolytic Therapy, Practice Guidelines as Topic, Cardiology and Cardiovascular Medicine, Pharmacology (medical), Internal medicine, Antithrombotic, medicine, education, Survival rate, education.field_of_study, business.industry, Clopidogrel, medicine.disease, Cardiology, business, Fibrinolytic agent, medicine.drug
Abstract

Aims Patients with acute coronary syndromes (ACSs) who are managed without coronary revascularization represent a mixed and understudied population that seems to receive suboptimal pharmacological treatment. Methods and results We assessed patterns of antithrombotic therapies employed during the hospitalization and in-hospital clinical events of medically managed patients with ACS enrolled in the prospective, multicentre, nationwide EYESHOT (EmploYEd antithrombotic therapies in patients with acute coronary Syndromes HOspitalized in iTalian cardiac care units) registry. Among the 2585 consecutive ACS patients enrolled in EYESHOT, 783 (30.3%) did not receive any revascularization during hospital admission. Of these, 478 (61.0%) underwent coronary angiography (CA), whereas 305 (39.0%) did not. The median GRACE and CRUSADE risk scores were significantly higher among patients who did not undergo CA compared with those who did (180 vs. 145, P < 0.0001 and 50 vs. 33, P < 0.0001, respectively). Antithrombotic therapies employed during hospitalization significantly differ between patients who received CA and those who did not with unfractioned heparin and novel P2Y12 inhibitors more frequently used in the first group, and low-molecular-weight heparins and clopidogrel in the latter group. During the index hospitalization, patients who did not receive CA presented a higher incidence of ischaemic cerebrovascular events and of mortality compared with those who underwent CA (1.6 vs. 0.2%, P = 0.04 and 7.9 vs. 2.7%, P = 0.0009, respectively). Conclusion Almost one-third of ACS patients are managed without revascularization during the index hospitalization. In this population, a lower use of recommended antiplatelet therapy and worse clinical outcome were observed in those who did not undergo CA when compared with those who did. Clinical Trial Registration Unique identifier: [NCT02015624][1], . [10.1093/ehjcvp/pvv017][2] [1]: /lookup/external-ref?link_type=CLINTRIALGOV&access_num=NCT02015624&atom=%2Fehjcardpharm%2F1%2F3%2F168.atom [2]: /lookup/doi/10.1093/ehjcvp/pvv017

Published
2015

2. Antithrombotic strategies in the catheterization laboratory for patients with acute coronary syndromes undergoing percutaneous coronary interventions: insights from the EmploYEd antithrombotic therapies in patients with acute coronary Syndromes HOspitalized in iTalian cardiac care units Registry

Author

De Luca, L., Musumeci, G., Leonardi, S., Gonzini, L., Cavallini, C., Calabro, P., Mauro, C., Cacciavillani, L., Savonitto, S., De Servi, S., Caporale, R., Ceravolo, R., Formigli, D., Lupi, A., Rakar, S., Smecca, I. M., Maggioni, A. P., Lucci, D., Lorimer, A., Orsini, G., Fabbri, G., Bianchini, E., Abrignani, M. G., Bonura, F., Trimarco, B., Galasso, G., Misuraca, G., Manes, M. T., Tuccillo, B., Irace, L., Olivari, Z., Totis, O., Ledda, A., Boccalatte, M., Iliceto, S., Tortorella, G., Esposito, L., De Rosa, P., Bianchi, R., Napoletano, C., Piccioni, L. L., Pavesi, P. C., Bovenzi, F. M., Boni, A., Merenda, R., Wolff, S., De Ferrari, G. M., Camporotondo, R., Gambino, P., Cutaia, A., Picariello, C., Cemin, R., Chiarella, F., Gauthier, L. G., Mircoli, L., Del Pinto, M., Finocchiaro, M. L., Scioli, R., Farina, R., Naddeo, C., Scherillo, M., Santopietro, S., Metra, M., Costa, F., Calculli, G., Troito, G., Pennisi, V., Adornato, E. M. F., Pirelli, S., Fadin, B. M., DI Biase, M., Ieva, R., Zuin, G., Sanfilippo, N., Mancuso, L., Pani, A., Serra, E., Marenzi, G., Assanelli, E. M., Ansalone, G., Cacciotti, L., Morocutti, G., Fresco, C., Berti, S., Paradossi, U., Bozzano, A., Mauro, A., Noussan, P., Zanini, P., Bolognese, L., Falsini, G., Costa, P., Manca, G., Caldarola, P., Locuratolo, N., Cipolla, T., Becchina, M., Cocco, G., Scalera, G., Stefanelli, S., Giunta, N., Sinagra, G., Meloni, L., Lai, O., Chiaranda, G., Luca, G., Helou, J. S., Biscottini, E., Magliari, F., Callerame, M., Uguccioni, M., Pugliese, M., Sanchez, F., Tartaglione, S., Ignone, G., Mavilio, G., Mantovan, R., Bini, R., Caico, S. I., Demolli, V., Proietti, F., Michisanti, M., Musmeci, G., Cantamessa, P., Sicuso, G., Micalef, S. S., Accogli, M., Zaccaria, M., Caputo, M., DI Paolo, G., Piatti, L., Farina, A., Vicinelli, P., Paloscia, L., DI Clemente, D., Felis, S., Castini, D., Rota, C., Casu, G., Bonano, S., Margheri, M., Lucchi, G. R., Serdoz, R., Proietti, P., Autore, C., Conti, E., Russo, V., Orlando, P., Ramondo, A. B., Bontorin, M., Marcolongo, M., Santagostino, M., Maestroni, A., Vitti, P., Rodella, P., Bonetti, P., Elia, M., Lumare, R., Politi, A., Gritti, S., Poletti, F., Mafrici, A., Fusco, R., Bongo, A. S., Bacchini, S., Gasparetto, V., Ferraiuolo, G., De Luca, M., Campana, C., Bonatti, R., Gaita, F., Bergerone, S., Bonmassari, R., Zeni, P., Langialonga, T., Scarcia, A., Caravita, L., Musacchio, E., Augello, G., Usmiani, T., Stomaci, B., Cirino, D., Pierini, S., Bottiglieri, G., Liso, A., Mussardo, M., Tosi, P., Sala, R., Belloni, A., Blengino, S., Lisi, E., Delfino, P., Auguadro, C., Brunazzi, M. C., Pacchioni, E., Fattore, L., Bosco, B., Blandizzi, S., Pajes, G., Patruno, N., Perna, G. P., Francioni, M., Favale, S., Vestito, D., Lombardi, A., Capecchi, A., Ferrero, P., De Vincenzo, C., Magri, G., Indolfi, C., De Rosa, S., Rossi, M., Collarini, L., Agnelli, D., Conti, G., Tonelli, C., Spadaro, C., Negroni, S., DI Noto, G., Lanari, A., Casolo, G., Del Meglio, J., Negrini, M., Celentano, A., Sifola, C., Rellini, G., Mattia, A. D., Molero, U., Piovaccari, G., Grosseto, D., Callegarin, L., Fiasconaro, G., Crivello, R., Thiebat, B., Leone, G., Tamburino, C., Caruso, G., Cassadonte, F., Sassone, B., Fuca, G., Sormani, L., Percoco, G. F., Mazzucco, R., Cazzani, E., Gianni, M., Limido, A., Luvini, M., Guglielmi, R., Mannarini, A., Moruzzi, P., Pastori, P., Golia, B., Marzano, A., Orazi, S., Marchese, I., Anselmi, M., Girardi, P., Nassiacos, D., Meloni, S., Busacca, P., Generali, C. A., Corda, S., Costanza, G., Montalto, S., Argenziano, L., Tommasini, P., Emdin, M., Pasanisi, E. M., Colivicchi, F., Tubaro, M., Azzolini, P., Luciani, C., Doronzo, B., Coppolino, A., Dellavesa, P., Zenone, F., DI Marco, A., De Conti, F., Piccinni, G. C., Gualtieri, M. R., Bisignani, G., Leone, A., Arcuri, G. M., Marinacci, L., Rossi, P., Perotti, S., Cometti, V. C., Arcidiacono, S., Tramontana, M., Bazzucchi, M., Mezzetti, P., Romano, M., Villani, R., DI Giovambattista, R., Volpe, B., Tedesco, L., Carini, M., Vinci, S., Paolini, E. A., Busoni, F., Piergentili, C., Navazio, A., Manca, F., Cocco, F., Pennetta, C. A., Maggiolini, S., Galbiati, R., Bruna, C., Ferrero, L., Brigido, S., Barducci, E., Musacchio, D., Manduca, B., Marchese, D., Patrassi, L. A., Pattarino, F. A., Rocchi, M., Briglia, S., Fanelli, R., Villella, M., Gronda, E., Massa, D., Lenti, V., DI Gregorio, L., Bottero, M., Bazzanini, F., Braggion, G., Antoniceli, R., Caraceni, D., Guzzo, V., DI Giovanni, P., Scarpini, S., Severgnini, B., Musolino, M. F., Casa, S. D., Gobbi, M., Arena, G., Bonizzato, S., Agnoletto, V., Sansoni, S., Pes, R. A. M., Denti, S., Polizzi, G. M., Pino, R., Commisso, B., Merlino, A., DI Lorenzo, L., Porchetta, I., Del Furia, F., Colombi, E., Covini, D., Cavalieri, F., Antonaci, S., Rubino, G., Ciulla, A., Bui, F., Casorelli, E., Caliendo, L., Laezza, A., Americo, L., Schillaci, A. M., Cordoni, M., Barsotti, L., Gaudio, C., Barilla, F., Cannone, M., Memeo, R., Truncellito, L., Andriani, A., Salituri, S., Verrina, F., Pafi, M., Sebastiani, M. L., Amico, A. F., Scolozzi, D., Lupi, G., D'Alea, A., Catanzariti, D., Angheben, C., Ottaviano, A., Levantesi, G., de Luca, Leonardo, Musumeci, Giuseppe, Leonardi, Sergio, Gonzini, Lucio, Cavallini, Claudio, Calabrò, Paolo, Mauro, Ciro, Cacciavillani, Luisa, Savonitto, Stefano, de Servi, Stefano, Caporale, Roberto, Ceravolo, Roberto, Formigli, Dario, Lupi, Alessandro, Rakar, Sadir, Smecca, Ivan, Maggioni, Aldo Pietro, Lucci, Donata, Lorimer, Andrea, Orsini, Giampietro, Fabbri, Gianna, Bianchini, Elisa, Abrignani, Maurizio Giuseppe, Bonura, Francesc, Trimarco, Bruno, Galasso, Gennaro, Misuraca, Gianfranco, Manes, Maria Teresa, Tuccillo, Bernardino, and Irace, Luigi.

Subjects
Male, Prasugrel, medicine.medical_treatment, Myocardial Infarction, antithrombotic therapy, 030204 cardiovascular system & hematology, acute coronary syndromes, bivalirudin, heparins, percutaneous coronary intervention, prasugrel, ticagrelor, 0302 clinical medicine, Antithrombotic, 80 and over, Bivalirudin, 030212 general & internal medicine, Myocardial infarction, Prospective Studies, Registries, Aged, 80 and over, General Medicine, Hirudins, Middle Aged, Recombinant Proteins, Italy, Female, Cardiology and Cardiovascular Medicine, Ticagrelor, medicine.drug, medicine.medical_specialty, Platelet Glycoprotein GPIIb-IIIa Complex, NO, 03 medical and health sciences, Percutaneous Coronary Intervention, Internal medicine, medicine, Humans, Acute Coronary Syndrome, Aged, Aspirin, business.industry, Heparin, Percutaneous coronary intervention, Anticoagulants, medicine.disease, Peptide Fragments, Clinical trial, Cross-Sectional Studies, Logistic Models, Conventional PCI, Multivariate Analysis, business
Abstract

Aims In the last decades, several new therapies have emerged for the treatment of acute coronary syndromes (ACS). We sought to describe real-world patterns of use of antithrombotic treatments in the catheterization laboratory for ACS patients undergoing percutaneous coronary interventions (PCI). Methods EmploYEd antithrombotic therapies in patients with acute coronary Syndromes HOspitalized in iTalian cardiac care units was a nationwide, prospective registry aimed to evaluate antithrombotic strategies employed in ACS patients in Italy. Results Over a 3-week period, a total of 2585 consecutive ACS patients have been enrolled in 203 cardiac care units across Italy. Among these patients, 1755 underwent PCI (923 with ST-elevation myocardial infarction and 832 with non-ST-elevation ACS). In the catheterization laboratory, unfractioned heparin was the most used antithrombotic drug in both ST-elevation myocardial infarction (64.7%) and non-ST-elevation ACS (77.5%) undergoing PCI and, as aspirin, bivalirudin and glycoprotein IIb/IIIa inhibitors (GPIs) more frequently employed before or during PCI compared with the postprocedural period. Any crossover of heparin therapy occurred in 36.0% of cases, whereas switching from one P2Y12 inhibitor to another occurred in 3.7% of patients. Multivariable analysis yielded several independent predictors of GPIs and of bivalirudin use in the catheterization laboratory, mainly related to clinical presentation, PCI complexity and presence of complications during the procedure. Conclusion In our contemporary, nationwide, all-comers cohort of ACS patients undergoing PCI, antithrombotic therapies were commonly initiated before the catheterization laboratory. In the periprocedural period, the most frequently employed drugs were unfractioned heparin, leading to a high rate of crossover, followed by GPIs and bivalirudin, mainly used during complex PCI. Clinical trial registration URL: http://www.clinicaltrials.gov. Unique identifier: NCT02015624.

Published
2017

3. Right ventricular dysplasia: angiographic study.

Author

Chiddo, A., Locuratolo, N., Gaglione, A., Bortone, A., Troito, G., Musci, S., Grimaldi, N., and Rizzon, P.

Abstract

At the moment, the most reliable method for diagnosing right ventricular dysplasia is considered to be angiography. Morphological alterations such as the presence of akinetic/dyskinetic areas, aneurysmatic dilatations and deep anteroapical fissuring, not necessarily associated with an increase in ventricular volume, are understood to be angiographic criteria indicating dysplasia.To verify their diagnostic value, these abnormalities have been evaluated in: (1) 33 patients suspected of having dysplasia because of PVBs with LBBB morphology and with ‘borderline’ involvement of the right ventricle or without instrumental evidence of cardiac disease (Group A); (2) 16 subjects with no arrhythmia and normal left ventricular angiography, coronary and bioptic findings (Group B); (3) 36 patients with a clinical, angiographic and bioptic diagnosis of dilated idiopathic cardiomyopathy (Group C).In 48·5% of the patients in Group A, angiography showed localized akinesia/dyskinesia (12 patients), small conical outpouchings persisting during systole (10 patients) and apical deep fissuring (two patients).In 81% of these patients, endomyocardial biopsy showed the presence of fibrous and/or adipose tissue in at least 20% of the examined sample.Angiographic abnormalities suggesting dysplasia were found in none of the normal subjects and only in two of the 36 patients with dilated cardiomyopathy (5·5%). [ABSTRACT FROM PUBLISHER]

Published
1989
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5. Hemodynamic study of intravenous propionyl-L-carnitine in patients with ischemic heart disease and normal left ventricular function.

Author

Chiddo A, Gaglione A, Musci S, Troito G, Grimaldi N, Locuratolo N, and Rizzon P

Subjects
Adult, Carnitine therapeutic use, Female, Humans, Injections, Intravenous, Male, Middle Aged, Pulmonary Circulation drug effects, Carnitine analogs & derivatives, Coronary Disease drug therapy, Hemodynamics drug effects
Abstract

Propionyl-L-carnitine was given intravenously to ten patients with chronic ischemic heart disease who had normal left ventricular function and had not had a previous myocardial infarction. Subsequently, pulmonary and systemic circulation, left ventricular function, and the relationship between the ventricle and afterload were evaluated. This drug, at a dose of 15 mg/kg, improves ventricular function by easing the load and by enhancing cardiac efficiency. The ejection impedance is reduced with a consequent increase in stroke volume as a result of a) a decrease in systemic and pulmonary resistance and b) an increase in arterial compliance. Arterial pressure is maintained due to an increase in total external heart power. Since the tension time index shows a proportionally smaller increase in the energy requirement, it follows that cardiac efficiency has been improved and ventricle-afterload matching is optimal. These results suggest but do not prove that propionyl-L-carnitine exhibits a positive inotropic property.

Published
1991
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6. [Effects of gallopamil on coronary blood flow and vasomotility].

Author

Bortone A, Chiddo A, Quagliara D, Musci S, Troito G, Lafranceschina C, Gaglione A, and Rizzon P

Subjects
Adult, Coronary Angiography, Female, Humans, Male, Middle Aged, Coronary Circulation drug effects, Coronary Vessels drug effects, Gallopamil pharmacology
Abstract

Using quantitative coronary arteriography, the luminal area was measured in the proximal, middle and distal third of a normal coronary vessel in basal condition and 15 min after 0.005 mg/Kg ic gallopamil (Group 1); 15 min after ic placebo (Group 2); 15 and 30 min after iv gallopamil at a dose of 0.03 mg/Kg (Group 3A) and 0.05 mg/Kg (Group 3B). A significant (p less than 0.001) vasodilation was observed in all segments in Group 1 and only in distal segment (p less than 0.05) in Group 3B. Neither did the heart rate, systolic blood pressure nor the coronary driving pressure show any changes. In the second section of this study, we analyzed the effects of the drug on coronary blood flow and resistance in 8 patients without clinical and/or objective evidence of coronary artery disease. Using thermodilution technique, the coronary sinus blood flow (CSBF) and coronary resistance (CR) were measured in basal condition and 5, 10, 15 and 30 min after 0.05 mg/Kg iv gallopamil. We observed a significant (p less than 0.001) increase of CSBF after 10 min and a significant decrease of CR after 10 min (p less than 0.001) and 15 min (p less than 0.05). In conclusion, our results suggest that the anti-ischemic effect of gallopamil can be related not only to the reduction of myocardial oxygen requirement, but also to an improvement of coronary blood flow with a decrease in coronary resistance.

Published
1990

7. [Doppler velocimetry of the internal mammary artery anastomosed to the anterior descendent coronary artery: a noninvasive analysis of coronary circulation].

Author

Ciccone M, Federici A, Marchese A, Troito G, Sorgente L, Biasco MG, Gaglione A, Chiddo A, and Rizzon P

Subjects
Anastomosis, Surgical, Blood Flow Velocity, Female, Hemodynamics, Humans, Hyperventilation, Male, Mammary Arteries surgery, Middle Aged, Valsalva Maneuver, Coronary Artery Bypass, Coronary Circulation, Mammary Arteries physiology, Thoracic Arteries physiology, Ultrasonography
Abstract

This study analyses the static and dynamic characteristics of the flow curves obtained by continuous wave Doppler flow velocity analysis in the internal mammary artery (IM) under normal conditions and after left anterior descending coronary artery by-pass. The IM flow velocity curve has the characteristics of a muscular artery both in basal conditions and during hyperventilation and Valsalva manoeuvre. On the other hand, the by-passed IM shows a typically phasic flow velocity curve, the diastolic flow prevailing over the systolic as is commonly the case in the coronary circulation. This curve also shows variations characteristic of the coronary circulation during Valsalva manoeuvre, whereas it is not affected by the alterations induced by hyperventilation in the area of the respiratory muscles. Continuous wave Doppler flow analysis of the by-passed IM can therefore be considered a reliable method for evaluating coronary flow in man. The fact that this method is non-invasive makes it obviously advantageous and widens its field of application not only to strictly diagnostic evaluations but also to physiopathological and therapeutical ones.

Published
1989

8. [Effect of intracoronary and intravenous administration of propranolol on coronary vasomotility at rest and during exercise].

Author

Bortone A, Hess OM, Gaglione A, Locuratolo N, Troito G, Rizzon P, and Chiddo A

Subjects
Adult, Aged, Coronary Angiography, Coronary Vessels physiopathology, Exercise Test, Heart Function Tests, Humans, Injections, Intravenous, Middle Aged, Posture, Propranolol administration & dosage, Vasoconstriction drug effects, Vasodilation drug effects, Angina Pectoris physiopathology, Coronary Artery Disease physiopathology, Coronary Vessels drug effects, Propranolol pharmacology
Abstract

The effect of intracoronary and intravenous propranolol on coronary vasomotion was evaluated in 30 patients with coronary artery disease. Luminal area of a normal and a stenotic coronary segment was determined at rest, during supine bicycle exercise and 5 min after 1.6 mg sublingual nitroglycerin administered at the end of the exercise test using biplane quantitative coronary arteriography. Patients were divided into 3 groups: Group I (n = 12) served as control Group II consisted of 10 patients with intracoronary administration of 1 mg propranolol and Group III of 8 patients with intravenous administration of 0.1 mg/kg propranolol prior to the exercise test. In the control Group there was coronary vasodilation (+23%, p less than 0.01) of the normal and coronary vasoconstriction (-29%, p less than 0.001) of the stenotic vessel segment during bicycle exercise. After sublingual administration of 1.6 mg nitroglycerin there was vasodilation of both normal (+40%, p less than 0.001 vs rest) and stenotic (+12%, NS vs rest) segments. In Group II intracoronary propranolol was not accompanied by a change in coronary area but both normal (+13%, p less than 0.05) and stenotic (+22%, p less than 0.05) segments showed coronary vasodilation during bicycle exercise. After sublingual nitroglycerin there was further vasodilation of both normal (+31%, p less than 0.001 vs rest) and stenotic (+45%, p less than 0.01 vs rest) arteries. In Group III intravenous administration of propranolol was associated with a decrease in coronary luminal area of both normal (-24%, p less than 0.001) and stenotic (-41%, p less than 0.001) segments. During dynamic exercise there was coronary vasodilation of both segments when compared to the data after intravenous injection of propranolol but there was no change in luminal area (normal vessel-2%, NS vs rest; stenotic vessel-3%, NS vs rest) when compared to the resting data. After sublingual administration of 1.6 mg nitroglycerin both normal (+21%, p less than 0.001) and stenotic (+46%, p less than 0.001) segments showed coronary vasodilation. It is concluded that supine bicycle exercise in patients with coronary artery disease is associated with vasodilation of the normal and vasoconstriction of the stenotic coronary arteries. Intravenous administration of propranolol is followed by coronary vasoconstriction of both normal and stenotic coronary arteries probably due to secondary mechanisms (reduction in heart rate and contractility) because it is not observed after intracoronary injection of propranolol and it is overridden by bicycle exercise and sublingual nitroglycerin.

Published
1989

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