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1.
Cardiology ; 148(1): 27-37, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36470212

RESUMEN

INTRODUCTION: Hospitalization due to heart failure (HF) progression is associated with poor prognosis. This highlights the role of the implementation of guideline-directed medical therapy (GDMT) in improving the morbidity and mortality of patients with heart failure with reduced ejection fraction (HFrEF). There are limited data about the intrahospital applicability of GDMT in real-world circumstances. We aimed to assess retrospectively the use of cornerstone GDMT including RASi (ACEI/ARB/ARNI), ßB, MRA, and SGLT2i treatment in a consecutive real-world HFrEF patient population admitted with signs and symptoms of HF to the HF Unit of a Hungarian tertiary cardiac center between 2019 and 2021. The independent predictors of therapy optimization and the applicability of new HFrEF medication (ARNI, SGLT2i, vericiguat) were also investigated. METHODS: Statistical comparison of admission and discharge medication was accomplished with Fisher's exact test. The independent predictors of the introduction of triple therapy (RASi + ßB + MRA) were analyzed using univariate and multivariate logistic regression. The proportion of patients eligible for vericiguat based on the inclusion and exclusion criteria of the VICTORIA trial was also investigated, as well as the number of patients suitable for ARNI and SGLT2i, taking into account the contraindications of application contained in the ESC 2021 HF Guidelines. RESULTS: 238 patients were included. During hospitalization, the use of RASi (69% vs. 89%) (ACEI/ARBs [58% vs. 70%], ARNI [10% vs. 19%]), ßBs (69% vs. 85%), and MRAs (61% vs. 95%) increased significantly (p < 0.05) compared to at admission, and the use of SGLT2i (3% vs. 11%) also rose (p = 0.0005). The application ratio of triple (RASi + ßB + MRA; 43% vs. 77%) and quadruple (RASi + ßB + MRA + SGLT2i; 2% vs. 11%) therapy increased as well (p < 0.0001). The independent predictors of discharge application of triple therapy revealed through multivariate logistic regression analysis were age, duration of hospitalization, eGFR, NTproBNP, and presence of diabetes mellitus. Sixty-eight percent of the cohort would have been suitable for vericiguat, 83% for ARNI, and 84% for SGLT2i. CONCLUSION: High rates of application of disease-modifying drugs are achievable among hospitalized HFrEF patients in severe clinical condition; thus, awareness of the need for their initiation must be raised.


Asunto(s)
Insuficiencia Cardíaca , Disfunción Ventricular Izquierda , Humanos , Insuficiencia Cardíaca/tratamiento farmacológico , Antagonistas de Receptores de Angiotensina/uso terapéutico , Estudios Retrospectivos , Volumen Sistólico , Inhibidores de la Enzima Convertidora de Angiotensina/uso terapéutico , Hospitalización , Disfunción Ventricular Izquierda/tratamiento farmacológico
2.
Am Heart J ; 249: 23-33, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35321823

RESUMEN

BACKGROUND: The THEMIS trial demonstrated that in high-risk patients with stable coronary artery disease and diabetes without previous myocardial infarction or stroke, ticagrelor, in addition to aspirin, reduced the incidence of ischemic events but increased major bleeding. Identification of patients who could derive the greatest net benefit from the addition of ticagrelor appears important. We used the CRUSADE bleeding risk score to risk stratify the THEMIS population. METHODS: The population was divided into tertiles: score ≤22, 23 to 33, and ≥34. In each tertile, primary efficacy (composite of cardiovascular death, myocardial infarction, or stroke) and safety (TIMI major bleeding) outcomes were analyzed. NACE (net adverse clinical events) was defined as the irreversible harm composite, in which all-cause death, myocardial infarction, stroke, amputations, fatal bleeds, and intracranial hemorrhage were counted. RESULTS: Patients in the lower risk tertile experienced fewer ischemic events with ticagrelor than placebo, whereas there was no significant benefit from ticagrelor in the other tertiles (Pinteraction = .008). Bleeding rates were consistently increased with ticagrelor across all tertiles (Pinteraction = .79). Ticagrelor reduced NACE in the first tertile (HR = 0.74, 95% CI = 0.61-0.90) but not in the others (HR = 1.03, 95% CI = 0.86-1.23 and HR = 1.05, 95% CI = 0.91-1.22, respectively; Pinteraction = .012). CONCLUSIONS: In patients with stable coronary artery disease and diabetes without a history of myocardial infarction or stroke, only those at the lower end of the bleeding risk spectrum according to the CRUSADE score derived net benefit from ticagrelor.


Asunto(s)
Enfermedad de la Arteria Coronaria , Diabetes Mellitus , Infarto del Miocardio , Intervención Coronaria Percutánea , Accidente Cerebrovascular , Enfermedad de la Arteria Coronaria/complicaciones , Enfermedad de la Arteria Coronaria/tratamiento farmacológico , Diabetes Mellitus/tratamiento farmacológico , Diabetes Mellitus/epidemiología , Hemorragia/inducido químicamente , Hemorragia/epidemiología , Humanos , Infarto del Miocardio/epidemiología , Intervención Coronaria Percutánea/efectos adversos , Inhibidores de Agregación Plaquetaria/efectos adversos , Medición de Riesgo , Accidente Cerebrovascular/etiología , Ticagrelor/uso terapéutico , Resultado del Tratamiento
3.
Cardiology ; 146(2): 195-200, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33582674

RESUMEN

INTRODUCTION: Based on recently published randomized controlled trials, cardiac contractility modulation (CCM) seems to be an effective device-based therapeutic option in symptomatic chronic heart failure (HF) (CHF). The aim of the current study was to estimate what proportion of patients with CHF and left ventricular ejection fraction (LVEF) <50% could be eligible for CCM based on the inclusion criteria of the FIX-HF-5C trial. METHODS: Consecutive patients referred and followed up at our HF clinic due to HF with reduced or mid-range LVEF were retrospectively assessed. After a treatment optimization period of 3-6 months, the inclusion criteria of the FIX-HF-5C trial (New York Heart Association (NYHA) class III/IV, 25% ≤ LVEF ≤45%, QRS <130 ms, and sinus rhythm) were applied to determine the number of patients eligible for CCM. RESULTS: Of the 640 patients who were involved, the proportion of highly symptomatic patients in NYHA class III/IV decreased from 77.0% (n = 493) at baseline to 18.6% (n = 119) after the treatment optimization period (p < 0.001). Mean LVEF increased significantly from 29.0 ± 7.9% to 36.3 ± 9.9% (p < 0.001), while the proportion of patients with 25% ≤ LVEF ≤45% increased from 69.7% (n = 446) to 73.3% (n = 469) (p < 0.001). QRS duration was below 130 ms in 63.1% of patients, while 30.0% of patients had persistent or permanent atrial fibrillation. We found that the eligibility criteria for CCM therapy based on the FIX-HF-5C study were fulfilled for 23.0% (n = 147) of patients at baseline and 5.2% (n = 33) after treatment optimization. CONCLUSION: This single-center cohort study showed that 5% of patients with CHF and impaired LVEF immediately after treatment optimization fulfilled the inclusion criteria of the FIX-HF-5C study and would be candidates for CCM.


Asunto(s)
Insuficiencia Cardíaca , Función Ventricular Izquierda , Estudios de Cohortes , Insuficiencia Cardíaca/terapia , Humanos , Estudios Retrospectivos , Volumen Sistólico , Resultado del Tratamiento
4.
Eur Heart J ; 40(24): 1942-1951, 2019 06 21.
Artículo en Inglés | MEDLINE | ID: mdl-31226213

RESUMEN

AIMS: The value of platelet function testing (PFT) in predicting clinical outcomes and guiding P2Y12-inhibitor treatment is uncertain. In a pre-specified sub-study of the TROPICAL-ACS trial, we assessed ischaemic and bleeding risks according to high platelet reactivity (HPR) and low platelet reactivity (LPR) to ADP in patients receiving uniform prasugrel vs. PFT-guided clopidogrel or prasugrel. METHODS AND RESULTS: Acute coronary syndrome patients with PFT done 14 days after hospital discharge were included with prior randomization to uniform prasugrel for 12 months (control group, no treatment modification) vs. early de-escalation from prasugrel to clopidogrel and PFT-guided maintenance treatment (HPR: switch-back to prasugrel, non-HPR: clopidogrel). The composite ischaemic endpoint included cardiovascular death, myocardial infarction, or stroke, while key safety outcome was Bleeding Academic Research Consortium (BARC) 2-5 bleeding, from PFT until 12 months. We identified 2527 patients with PFT results available: 1266 were randomized to the guided and 1261 to the control group. Before treatment adjustment, HPR was more prevalent in the guided group (40% vs. 15%), while LPR was more common in control patients (27% vs. 11%). Compared to control patients without HPR on prasugrel (n = 1073), similar outcomes were observed in guided patients kept on clopidogrel [n = 755, hazard ratio (HR): 1.06 (0.57-1.95), P = 0.86] and also in patients with HPR on clopidogrel switched to prasugrel [n = 511, HR: 0.96 (0.47-1.96), P = 0.91]. In contrast, HPR on prasugrel was associated with a higher risk for ischaemic events in control patients [n = 188, HR: 2.16 (1.01-4.65), P = 0.049]. Low platelet reactivity was an independent predictor of bleeding [HR: 1.74 (1.18-2.56), P = 0.005], without interaction (Pint = 0.76) between study groups. CONCLUSION: Based on this substudy of a randomized trial, selecting prasugrel or clopidogrel based on PFT resulted in similar ischaemic outcomes as uniform prasugrel therapy without HPR. Although infrequent, HPR on prasugrel was associated with increased risk of ischaemic events. Low platelet reactivity was a strong and independent predictor of bleeding both on prasugrel and clopidogrel.


Asunto(s)
Síndrome Coronario Agudo/tratamiento farmacológico , Plaquetas/efectos de los fármacos , Clopidogrel/uso terapéutico , Inhibidores de Agregación Plaquetaria/uso terapéutico , Clorhidrato de Prasugrel/uso terapéutico , Anciano , Estudios de Casos y Controles , Clopidogrel/administración & dosificación , Clopidogrel/efectos adversos , Muerte , Quimioterapia Combinada/métodos , Femenino , Hemorragia/inducido químicamente , Hemorragia/complicaciones , Humanos , Isquemia/inducido químicamente , Isquemia/complicaciones , Masculino , Persona de Mediana Edad , Infarto del Miocardio/epidemiología , Inhibidores de Agregación Plaquetaria/administración & dosificación , Inhibidores de Agregación Plaquetaria/efectos adversos , Pruebas de Función Plaquetaria/métodos , Clorhidrato de Prasugrel/administración & dosificación , Clorhidrato de Prasugrel/efectos adversos , Medición de Riesgo , Accidente Cerebrovascular/epidemiología , Resultado del Tratamiento
5.
J Med Internet Res ; 21(7): e14142, 2019 07 26.
Artículo en Inglés | MEDLINE | ID: mdl-31350836

RESUMEN

BACKGROUND: Remote monitoring is an established, guideline-recommended technology with unequivocal clinical benefits; however, its ability to improve survival is contradictory. OBJECTIVE: The aim of our study was to investigate the effects of remote monitoring on mortality in an optimally treated heart failure patient population undergoing cardiac resynchronization defibrillator therapy (CRT-D) implantation in a large-volume tertiary referral center. METHODS: The population of this single-center, retrospective, observational study included 231 consecutive patients receiving CRT-D devices in the Medical Centre of the Hungarian Defence Forces (Budapest, Hungary) from January 2011 to June 2016. Clinical outcomes were compared between patients on remote monitoring and conventional follow-up. RESULTS: The mean follow-up time was 28.4 (SD 18.1) months. Patients on remote monitoring were more likely to have atrial fibrillation, received heart failure management at our dedicated heart failure outpatient clinic more often, and have a slightly lower functional capacity. Crude all-cause mortality of remote-monitored patients was significantly lower compared with patients followed conventionally (hazard ratio [HR] 0.368, 95% CI 0.186-0.727, P=.004). The survival benefit remained statistically significant after adjustment for important baseline parameters (adjusted HR 0.361, 95% CI 0.181-0.722, P=.004). CONCLUSIONS: In this single-center, retrospective study of optimally treated heart failure patients undergoing CRT-D implantation, the use of remote monitoring systems was associated with a significantly better survival rate.


Asunto(s)
Terapia de Resincronización Cardíaca/efectos adversos , Insuficiencia Cardíaca/terapia , Telemedicina/métodos , Anciano , Terapia de Resincronización Cardíaca/métodos , Femenino , Insuficiencia Cardíaca/mortalidad , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Tasa de Supervivencia , Resultado del Tratamiento
6.
Eur Heart J ; 39(29): 2749-2758, 2018 08 01.
Artículo en Inglés | MEDLINE | ID: mdl-29912422

RESUMEN

Aims: Guided de-escalation of P2Y12-inhibitor treatment was recently identified as an effective alternative treatment strategy in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention. Safety and efficacy of this strategy may differ in relation to patient's age. This pre-specified analysis of the TROPICAL-ACS trial aimed to assess the impact of age on clinical outcomes following guided de-escalation of antiplatelet treatment in ACS patients. Methods and results: Patients were randomly assigned in a 1:1 fashion to either standard treatment with prasugrel for 12 months (control group) or to a guided de-escalation regimen (1 week prasugrel followed by 1 week clopidogrel and platelet function testing guided maintenance therapy with clopidogrel or prasugrel from day 14 after hospital discharge; guided de-escalation group). We used Cox regression models to assess the associations of age on clinical endpoints and interactions. In younger patients (age ≤70, n = 2240), the 1 year incidence of the primary endpoint (cardiovascular death, myocardial infarction, stroke, or bleeding ≥ grade 2 according to Bleeding Academic Research Consortium criteria) was significantly lower in guided de-escalation vs. control group [5.9% vs. 8.3%; hazard ratio (HR) 0.70, 95% confidence interval (CI) 0.51-0.96; P = 0.03, number needed to treat = 42]. In elderly patients (age >70, n = 370), the absolute risk of events was higher without significant differences between guided de-escalation vs. control group (15.5% vs. 13.6%; HR 1.17, 95% CI 0.69-2.01; P = 0.56). When the impact of age, as a continuous variable, was analysed on outcomes after guided de-escalation vs. control treatment, an increasing relative risk reduction was observed in the primary endpoint by decreasing age (Pint = 0.02), due to significant reductions in bleeding. Conclusion: Treatment effects of guided de-escalation for P2Y12 inhibitors depend on patient's age with younger patients deriving a significant net clinical benefit. Although the safety and efficacy of guided de-escalation in the elderly was similar to uniform prasugrel therapy, this should be further investigated due to the limited sample size of this group.


Asunto(s)
Síndrome Coronario Agudo/tratamiento farmacológico , Factores de Edad , Inhibidores de Agregación Plaquetaria/administración & dosificación , Clorhidrato de Prasugrel/administración & dosificación , Síndrome Coronario Agudo/mortalidad , Síndrome Coronario Agudo/cirugía , Anciano , Plaquetas/fisiología , Clopidogrel/uso terapéutico , Europa (Continente)/epidemiología , Femenino , Hemorragia/inducido químicamente , Hemorragia/epidemiología , Humanos , Masculino , Mortalidad , Infarto del Miocardio/epidemiología , Intervención Coronaria Percutánea , Inhibidores de Agregación Plaquetaria/uso terapéutico , Pruebas de Función Plaquetaria , Modelos de Riesgos Proporcionales , Medición de Riesgo , Método Simple Ciego , Accidente Cerebrovascular/epidemiología
7.
Lancet ; 390(10104): 1747-1757, 2017 Oct 14.
Artículo en Inglés | MEDLINE | ID: mdl-28855078

RESUMEN

BACKGROUND: Current guidelines recommend potent platelet inhibition with prasugrel or ticagrelor for 12 months after an acute coronary syndrome managed with percutaneous coronary intervention (PCI). However, the greatest anti-ischaemic benefit of potent antiplatelet drugs over the less potent clopidogrel occurs early, while most excess bleeding events arise during chronic treatment. Hence, a stage-adapted treatment with potent platelet inhibition in the acute phase and de-escalation to clopidogrel in the maintenance phase could be an alternative approach. We aimed to investigate the safety and efficacy of early de-escalation of antiplatelet treatment from prasugrel to clopidogrel guided by platelet function testing (PFT). METHODS: In this investigator-initiated, randomised, open-label, assessor-blinded, multicentre trial (TROPICAL-ACS) done at 33 sites in Europe, patients were enrolled if they had biomarker-positive acute coronary syndrome with successful PCI and a planned duration of dual antiplatelet treatment of 12 months. Enrolled patients were randomly assigned (1:1) using an internet-based randomisation procedure with a computer-generated block randomisation with stratification across study sites to either standard treatment with prasugrel for 12 months (control group) or a step-down regimen (1 week prasugrel followed by 1 week clopidogrel and PFT-guided maintenance therapy with clopidogrel or prasugrel from day 14 after hospital discharge; guided de-escalation group). The assessors were masked to the treatment allocation. The primary endpoint was net clinical benefit (cardiovascular death, myocardial infarction, stroke or bleeding grade 2 or higher according to Bleeding Academic Research Consortium [BARC]) criteria) 1 year after randomisation (non-inferiority hypothesis; margin of 30%). Analysis was intention to treat. This study is registered with ClinicalTrials.gov, number NCT01959451, and EudraCT, 2013-001636-22. FINDINGS: Between Dec 2, 2013, and May 20, 2016, 2610 patients were assigned to study groups; 1304 to the guided de-escalation group and 1306 to the control group. The primary endpoint occurred in 95 patients (7%) in the guided de-escalation group and in 118 patients (9%) in the control group (pnon-inferiority=0·0004; hazard ratio [HR] 0·81 [95% CI 0·62-1·06], psuperiority=0·12). Despite early de-escalation, there was no increase in the combined risk of cardiovascular death, myocardial infarction, or stroke in the de-escalation group (32 patients [3%]) versus in the control group (42 patients [3%]; pnon-inferiority=0·0115). There were 64 BARC 2 or higher bleeding events (5%) in the de-escalation group versus 79 events (6%) in the control group (HR 0·82 [95% CI 0·59-1·13]; p=0·23). INTERPRETATION: Guided de-escalation of antiplatelet treatment was non-inferior to standard treatment with prasugrel at 1 year after PCI in terms of net clinical benefit. Our trial shows that early de-escalation of antiplatelet treatment can be considered as an alternative approach in patients with acute coronary syndrome managed with PCI. FUNDING: Klinikum der Universität München, Roche Diagnostics, Eli Lilly, and Daiichi Sankyo.


Asunto(s)
Síndrome Coronario Agudo/terapia , Intervención Coronaria Percutánea , Inhibidores de Agregación Plaquetaria/administración & dosificación , Clorhidrato de Prasugrel/administración & dosificación , Ticlopidina/análogos & derivados , Síndrome Coronario Agudo/epidemiología , Clopidogrel , Esquema de Medicación , Monitoreo de Drogas , Europa (Continente)/epidemiología , Femenino , Hemorragia/inducido químicamente , Hemorragia/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Infarto del Miocardio/epidemiología , Inhibidores de Agregación Plaquetaria/efectos adversos , Pruebas de Función Plaquetaria , Clorhidrato de Prasugrel/efectos adversos , Accidente Cerebrovascular/epidemiología , Ticlopidina/administración & dosificación , Ticlopidina/efectos adversos
8.
Lancet ; 389(10081): 1799-1808, 2017 May 06.
Artículo en Inglés | MEDLINE | ID: mdl-28325638

RESUMEN

BACKGROUND: Dual antiplatelet therapy (DAPT), aspirin plus a P2Y12 inhibitor, is the standard antithrombotic treatment following acute coronary syndromes. The factor Xa inhibitor rivaroxaban reduced mortality and ischaemic events when added to DAPT, but caused increased bleeding. The safety of a dual pathway antithrombotic therapy approach combining low-dose rivaroxaban (in place of aspirin) with a P2Y12 inhibitor has not been assesssed in acute coronary syndromes. We aimed to assess rivaroxaban 2·5 mg twice daily versus aspirin 100 mg daily, in addition to clopidogrel or ticagrelor (chosen at investigator discretion before randomisation), for patients with acute coronary syndromes started within 10 days after presentation and continued for 6-12 months. METHODS: In this double-blind, multicentre, randomised trial (GEMINI-ACS-1) done at 371 clinical centres in 21 countries, eligible patients were older than 18 years with unstable angina, non-ST segment elevation myocardial infarction (NSTEMI) or ST segment elevation myocardial infarction (STEMI), with positive cardiac biomarkers and either ischaemic electrocardiographic changes or an atherosclerotic culprit lesion identified during angiography. Participants were randomly assigned (1:1) within 10 days after admission for the index acute coronary syndromes event to either aspirin or rivaroxaban based on a computer-generated randomisation schedule. Randomisation was balanced by using randomly permuted blocks with size of four and was stratified based on the background P2Y12 inhibitor (clopidogrel or ticagrelor) intended to be used at the time of randomisation. Investigators and patients were masked to treatment assignment. Patients received a minimum of 180 days of double-blind treatment with rivaroxaban 2·5 mg twice daily or aspirin 100 mg daily. The choice of clopidogrel or ticagrelor during trial conduct was not randomised and was based on investigator preference. The primary endpoint was thrombolysis in myocardial infarction (TIMI) clinically significant bleeding not related to coronary artery bypass grafting (CABG; major, minor, or requiring medical attention) up to day 390. Primary analysis was by intention to treat. This study is registered with ClinicalTrials.gov, number NCT02293395. FINDINGS: Between April 22, 2015, and Oct 14, 2016, 3037 patients with acute coronary syndromes were randomly assigned; 1518 to receive aspirin and 1519 to receive rivaroxaban. 1704 patients (56%) were in the ticagrelor and 1333 (44%) in the clopidogrel strata. Median duration of treatment was 291 days (IQR 239-354). TIMI non-CABG clinically significant bleeding was similar with rivaroxaban versus aspirin therapy (total 154 patients [5%]; 80 participants [5%] of 1519 vs 74 participants [5%] of 1518; HR 1·09 [95% CI 0·80-1·50]; p=0·5840). INTERPRETATION: A dual pathway antithrombotic therapy approach combining low-dose rivaroxaban with a P2Y12 inhibitor for the treatment of patients with acute coronary syndromes had similar risk of clinically significant bleeding as aspirin and a P2Y12 inhibitor. A larger, adequately powered trial would be required to definitively assess the efficacy and safety of this approach. FUNDING: Janssen Research & Development and Bayer AG.


Asunto(s)
Síndrome Coronario Agudo/tratamiento farmacológico , Aspirina/uso terapéutico , Hemorragia/inducido químicamente , Antagonistas del Receptor Purinérgico P2Y/uso terapéutico , Rivaroxabán/uso terapéutico , Adenosina/administración & dosificación , Adenosina/análogos & derivados , Adenosina/uso terapéutico , Anciano , Aspirina/administración & dosificación , Clopidogrel , Angiografía Coronaria/métodos , Método Doble Ciego , Quimioterapia Combinada/métodos , Electrocardiografía/métodos , Inhibidores del Factor Xa/uso terapéutico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Infarto del Miocardio/diagnóstico por imagen , Infarto del Miocardio/tratamiento farmacológico , Infarto del Miocardio/fisiopatología , Inhibidores de Agregación Plaquetaria/uso terapéutico , Antagonistas del Receptor Purinérgico P2Y/administración & dosificación , Rivaroxabán/administración & dosificación , Terapia Trombolítica/métodos , Ticagrelor , Ticlopidina/administración & dosificación , Ticlopidina/análogos & derivados , Ticlopidina/uso terapéutico , Resultado del Tratamiento
9.
Orv Hetil ; 158(27): 1051-1057, 2017 Jul.
Artículo en Húngaro | MEDLINE | ID: mdl-28670984

RESUMEN

INTRODUCTION AND AIM: The aim was to study the patients' adherence to some evidence-based medication (statins, beta blockers, platelet and RAS inhibitors) after suffering a myocardial infarction, and its impact on the outcome. METHOD: Retrospective observational cohort study was carried out from the data of the Hungarian Myocardial Infarction Registry between January 1, 2013, and December 31, 2014. 14,843 patients were alive at the end of hospital treatment, from them, those who had no myocardial infarction or death until 180 days were followed for one year. The adherence was defined as the proportion of time from the index event to the endpoint (or censoring) covered with prescription fillings. The endpoint was defined as death or reinfarction. Information on filling prescriptions for statins, platelet aggregation inhibitors, beta blockers and ARB/ACEI-inhibitors were obtained. Multivariate regression was used to model adherence and survival time. RESULTS: Good adherence (\>80%) to clopidogrel, statins, beta blockers, aspirin and ARB/ACEI was found in 64.9%, 54.4%, 36.5%, 31.7% and 64.0%, respectively. Patients treated with PCI during the index hospitalization had higher adherence to all medication (all p<0.01), except for beta-blocker (p = 0.484). Multivariate analysis confirmed that adherence to statins, to clopidogrel and ARB/ACEI-inhibitors was associated with 10.1% (p<0.0001), 10.4% (p = 0.0002) and 15.8% (p<0.0001) lower hazard of endpoint respectively for 25% points increase in adherence, controlling for age, sex, performing of PCI, 5 anamnestic data and date of index event. Adherence to aspirin and beta blockers was not significantly associated with the hazard. CONCLUSION: Higher adherence to some evidence-based medications was found to be associated with improved long term prognosis of the patients. Orv Hetil. 2017; 158(27): 1051-1057.


Asunto(s)
Cumplimiento de la Medicación/estadística & datos numéricos , Infarto del Miocardio/tratamiento farmacológico , Cooperación del Paciente/estadística & datos numéricos , Sistema de Registros , Antagonistas Adrenérgicos beta/uso terapéutico , Inhibidores de la Enzima Convertidora de Angiotensina/uso terapéutico , Estudios de Cohortes , Hungría/epidemiología , Inhibidores de Hidroximetilglutaril-CoA Reductasas/uso terapéutico , Infarto del Miocardio/epidemiología , Pronóstico , Análisis de Regresión , Estudios Retrospectivos
10.
Orv Hetil ; 158(3): 90-93, 2017 Jan.
Artículo en Húngaro | MEDLINE | ID: mdl-28110568

RESUMEN

The authors summarize the most relevant data of myocardial infarction patients according to the National Myocardial Infarction Registry data base. In 2015 12,681 patients had 12,941 acute myocardial infarctions. Less than half of patients (44.4%) were treated with ST elevation myocardial infarction. National Ambulance Service was the first medical contact of more than half (51.4%) of patients with ST elevation infarction. Prehospital thrombolysis was occasionally done (0.23%), but 91.6% of the patients were treated in hospital with invasive facilities. The median of the ischaemic time (time between onset of symptoms and arrival at the invasive laboratory) was 223 minutes. Most of the patients (94%) with positive coronary arteriography were treated with percutaneous coronary intervention. The 30 day mortality of the whole group was 12.8% vs. 8.6% of patients treated with an invasive procedure. CONCLUSION: comparing the national and international registry data we conclude that we should analyse and decrease the prehospital delay time to improve the patient care in Hungary. Orv. Hetil., 2017, 158(3), 90-93.


Asunto(s)
Infarto del Miocardio/epidemiología , Infarto del Miocardio/terapia , Sistema de Registros/normas , Terapia Trombolítica/estadística & datos numéricos , Adulto , Anciano , Angioplastia Coronaria con Balón/estadística & datos numéricos , Femenino , Fibrinolíticos/uso terapéutico , Humanos , Hungría/epidemiología , Incidencia , Masculino , Persona de Mediana Edad , Aceptación de la Atención de Salud/estadística & datos numéricos
11.
Platelets ; 27(2): 159-67, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-26247099

RESUMEN

High on-clopidogrel platelet reactivity (HPR) is a predictor of ischemic events after percutaneous coronary intervention. We conducted a prospective cohort study to identify variables related to HPR in acute coronary syndrome patients who are at high thrombotic risk. We enrolled 463 patients undergoing urgent coronary angiography. Platelet reactivity was measured 12-36 hours after 600 mg clopidogrel loading with multiple electrode aggregometry (Multiplate® analyzer, Roche, Basel, Switzerland, 6.4 µM ADP). HPR was defined by the consensus cut-off area under the curve >46 U. The rate of HPR was 16.0%. We analyzed simple clinical and laboratory parameters with backward multivariate logistic regression and identified the following predictors of HPR: platelet count (per G/L, OR: 1.0073, 95% CI: 1.0035-1.0112, p = 0.0002), CRP level (per mg/L, OR: 1.0077, 95% CI: 1.0016-1.01372, p = 0.01), and active smoking (OR: 0.51, 95% CI: 0.29-0.89, p = 0.02). We developed and internally validated a risk prediction model demonstrating moderate discriminative capacity (area-under-the-receiver operating characteristic curve = 0.67). In conclusion, we found a relatively low rate of high on-clopidogrel platelet reactivity (16.0%) even in an acute patient cohort. HPR measured by Multiplate was associated with high platelet count and CRP level on admission and was inversely related to active smoking. The model with rapidly available simple parameters might help to identify individuals at risk for HPR in the acute setting.


Asunto(s)
Síndrome Coronario Agudo/diagnóstico , Plaquetas/efectos de los fármacos , Inhibidores de Agregación Plaquetaria/uso terapéutico , Trombosis/diagnóstico , Ticlopidina/análogos & derivados , Síndrome Coronario Agudo/sangre , Síndrome Coronario Agudo/complicaciones , Síndrome Coronario Agudo/diagnóstico por imagen , Área Bajo la Curva , Plaquetas/metabolismo , Plaquetas/patología , Proteína C-Reactiva/metabolismo , Clopidogrel , Angiografía Coronaria , Modelos Logísticos , Intervención Coronaria Percutánea , Activación Plaquetaria/efectos de los fármacos , Agregación Plaquetaria/efectos de los fármacos , Recuento de Plaquetas , Estudios Prospectivos , Factores de Riesgo , Fumar/fisiopatología , Trombosis/sangre , Trombosis/complicaciones , Trombosis/diagnóstico por imagen , Ticlopidina/uso terapéutico , Resultado del Tratamiento
12.
Orv Hetil ; 157(38): 1507-10, 2016 Sep.
Artículo en Húngaro | MEDLINE | ID: mdl-27640616

RESUMEN

Antithrombotic drug therapy is a main cornerstone - sometimes a fairly uneven cornerstone - of today's clinical practice. Patients treated with antithrombotic drugs appear sometimes unawaited at those of our colleagues, who are not necessarily experts of this narrow field. Furthermore, new and newer molecules of antiplatelet and anticoagulant medicines have come into practice, frequently in combination. This dramatic development has been important to patients; pharmacological - and recently nonpharmacological - antithrombotic treatment has paved the way to improve current modalities in cardiology. Combining elements of the "old four" (heparin, coumadin, aspirin, clopidogrel) have been the basis of any improvement for a long time. Nowadays, there has been an involvement of new drugs, direct oral anticoagulants into practice. It is time now to catch up in using new anticoagulants, regardless of our current speciality in medicine. Orv. Hetil., 2016, 157(38), 1507-1510.


Asunto(s)
Anticoagulantes/uso terapéutico , Enfermedades Cardiovasculares/tratamiento farmacológico , Fibrinolíticos/uso terapéutico , Inhibidores de Agregación Plaquetaria/uso terapéutico , Administración Oral , Aspirina/uso terapéutico , Cardiología/normas , Enfermedades Cardiovasculares/prevención & control , Clopidogrel , Heparina/uso terapéutico , Humanos , Ticlopidina/análogos & derivados , Ticlopidina/uso terapéutico , Warfarina/uso terapéutico
13.
Arterioscler Thromb Vasc Biol ; 33(1): 152-7, 2013 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-23117659

RESUMEN

OBJECTIVE: Altered venous biomechanics may contribute to the pathogenesis of venous diseases, and their heritability is less known. METHODS AND RESULTS: Seventy-eight monozygotic twin pairs (aged 42.4 ± 16.8 years) and 24 same-sex dizygotic twin pairs (aged 50.5 ± 16.1 years) were examined. Anteroposterior and mediolateral diameters of the common femoral vein were measured by ultrasonography. Measurements were made both in supine and in standing body positions, with or without controlled forced expiration (Valsalva test). High correlation of diameter, capacity, and distensibility values was found between twin pairs. The univariate heritability (A), shared (C), and unshared (E) environmental effects model has shown 39.3% genetic component of the variance of low pressure, 37.9% of high-pressure venous capacity, and 36.4% of maximal capacity changes, even after elimination of sex, age, and body weight effects. Bivariate Cholesky analysis revealed substantial covariance of inherited body weight and venous capacity components (57.0%-81.4%). CONCLUSIONS: Femoral vein capacity and elasticity depend ≈30% to 40% on genetic factors, and this value in the standing body position can reach 50%. A relatively high genetic covariance was found between weight and femoral vein capacity and elasticity. Our work might yield some new insights into the inheritance of venous diseases that are associated with altered venous biomechanics and help elucidate the involved genes.


Asunto(s)
Enfermedades en Gemelos/genética , Vena Femoral/fisiopatología , Hemodinámica/genética , Gemelos Dicigóticos/genética , Gemelos Monocigóticos/genética , Enfermedades Vasculares/genética , Adulto , Anciano , Fenómenos Biomecánicos , Enfermedades en Gemelos/diagnóstico , Enfermedades en Gemelos/fisiopatología , Elasticidad , Ambiente , Femenino , Vena Femoral/diagnóstico por imagen , Predisposición Genética a la Enfermedad , Herencia , Humanos , Masculino , Persona de Mediana Edad , Fenotipo , Medición de Riesgo , Factores de Riesgo , Posición Supina , Ultrasonografía , Enfermedades Vasculares/diagnóstico , Enfermedades Vasculares/fisiopatología , Rigidez Vascular/genética , Presión Venosa/genética
14.
Front Cardiovasc Med ; 11: 1338066, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38450368

RESUMEN

Introduction: Kinetics of stress-related biological parameters were determined in acute coronary syndrome (ACS) patients undergoing complex cardiovascular rehabilitation. Methods: We determined platelet functionality in the absence/presence of a selective alpha-2 adrenergic receptor inhibitor, atipemazole parallel with salivary cortisol levels at enrolment, and at 3- and 12-months follow-up in 75 ACS patients with percutaneous coronary intervention. Results: Pharmacological/non-pharmacological secondary prevention methods have been efficiently applied. Baseline aggregometry indicated platelet hyperactivity, decreasing gradually and being significantly reduced late, at 12 months (p < 0.05). Cortisol levels followed similar kinetics (p < 0.05). Baseline epinephrine-induced aggregations (EIA) significantly correlated with most of the other platelet agonists, even at subsequent time-points. Patients with upper-quartile EIA at enrolment (EIA-UQ) had significantly higher ADP- and collagen-induced aggregations at enrolment, at 3- and 12-months follow-up as well, indicating that high adrenergic response in the acute phase is accompanied by general platelet hyperactivity and predicts sustained platelet activation. In the EIA-UQ group higher cardiac biomarker release, elevated C-reactive protein and cortisol levels, and lower baseline left ventricular ejection fraction were detected.Atipemazole significantly reduced platelet aggregation induced by several platelet agonists, being most potent and comparable to full in vitro P2Y12 inhibition on collagen-induced aggregations (p < 0.05), indicating that catecholamines might serve as promt/long-term modulators of platelet function. Discussion: Despite effective CCR programme and dual antiplatelet therapy, prolonged activation of sympathetic neuroendocrine system and general platelet hyperactivity can be detected up to one year in ACS patients with high adrenergic platelet activity. Moreover, initial high adrenergic activity is accompanied by clinical parameters associated to increased cardiovascular risk, therefore early identification of these patients might support complex optimal long-term therapy.

15.
Diagnostics (Basel) ; 14(2)2024 Jan 06.
Artículo en Inglés | MEDLINE | ID: mdl-38248008

RESUMEN

(1) Background: Besides the use of guideline-directed medical therapy (GDMT), multidisciplinary heart failure (HF) outpatient care (HFOC) is of strategic importance in HFrEF. (2) Methods: Data from 257 hospitalised HFrEF patients between 2019 and 2021 were retrospectively analysed. Application and target doses of GDMT were compared between HFOC and non-HFOC patients at discharge and at 1 year. 1-year all-cause mortality (ACM) and rehospitalisation (ACH) rates were compared using the Cox proportional hazard model. The effect of HFOC on GDMT and on prognosis after propensity score matching (PSM) of 168 patients and the independent predictors of 1-year ACM and ACH were also evaluated. (3) Results: At 1 year, the application of RASi, MRA and triple therapy (TT: RASi + ßB + MRA) was higher (p < 0.05) in the HFOC group, as was the proportion of target doses of ARNI, ßB, MRA and TT. After PSM, the composite of 1-year ACM or ACH was more favourable with HFOC (propensity-adjusted HR = 0.625, 95% CI = 0.401-0.974, p = 0.038). Independent predictors of 1-year ACM were age, systolic blood pressure, application of TT and HFOC, while 1-year ACH was influenced by the application of TT. (4) Conclusions: HFOC may positively impact GDMT use and prognosis in HFrEF even within the first year of its initiation.

16.
Clin Cardiol ; 47(2): e24244, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38402552

RESUMEN

BACKGROUND: Kidney dysfunction (KD) is a main limiting factor of applying guideline-directed medical therapy (GDMT) and reaching the recommended target doses (TD) in heart failure (HF) with reduced ejection fraction (HFrEF). HYPOTHESIS: We aimed to assess the success of optimization, long-term applicability, and adherence of neurohormonal antagonist triple therapy (TT:RASi [ACEi/ARB/ARNI] + ßB + MRA) according to the KD after a HF hospitalization and to investigate its impact on prognosis. METHODS: The data of 247 real-world, consecutive patients were analyzed who were hospitalized in 2019-2021 for HFrEF and then were followed-up for 1 year. The application and the ratio of reached TD of TT at hospital discharge and at 1 year were assessed comparing KD categories (eGFR: ≥90, 60-89, 45-59, 30-44, <30 mL/min/1.73 m2 ). Moreover, 1-year all-cause mortality and rehospitalization rates in KD subgroups were investigated. RESULTS: Majority of the patients received TT at hospital discharge (77%) and at 1 year (73%). More severe KD led to a lower application ratio (p < .05) of TT (92%, 88%, 80%, 73%, 31%) at discharge and at 1 year (81%, 76%, 76%, 68%, 40%). Patients with more severe KD were less likely (p < .05) to receive TD of MRA (81%, 68%, 78%, 61%, 52%) at discharge and a RASi (53%, 49%, 45%, 21%, 27%) at 1 year. One-year all-cause mortality (14%, 15%, 16%, 33%, 48%, p < .001), the ratio of all-cause rehospitalizations (30%, 35%, 40%, 43%, 52%, p = .028), and rehospitalizations for HF (8%, 13%, 18%, 20%, 38%, p = .001) were significantly higher in more severe KD categories. CONCLUSIONS: KD unfavorably affects the application of TT in HFrEF, however poorer mortality and rehospitalization rates among them highlight the role of the conscious implementation and up-titration of GDMT.


Asunto(s)
Insuficiencia Cardíaca , Humanos , Insuficiencia Cardíaca/diagnóstico , Insuficiencia Cardíaca/tratamiento farmacológico , Antagonistas de Receptores de Angiotensina , Volumen Sistólico , Inhibidores de la Enzima Convertidora de Angiotensina , Pronóstico , Riñón
17.
JAMA ; 310(11): 1145-55, 2013 Sep 18.
Artículo en Inglés | MEDLINE | ID: mdl-23995608

RESUMEN

IMPORTANCE: The optimal anticoagulant for patients with non-ST-segment elevation acute coronary syndromes (NSTE-ACS) managed with an invasive strategy remains controversial. OBJECTIVE: To compare the clinical efficacy and safety of otamixaban, a novel intravenous direct factor Xa inhibitor, with that of unfractionated heparin plus downstream eptifibatide in patients with NSTE-ACS undergoing a planned early invasive strategy. DESIGN, SETTING, AND PARTICIPANTS: Randomized, double-blind, active-controlled superiority trial that enrolled 13,229 patients with NSTE-ACS and a planned early invasive strategy, at 568 active sites in 55 countries and conducted between April 2010 and February 2013. A planned interim analysis was conducted for otamixaban dose selection. INTERVENTIONS: Eligible participants were randomized to otamixaban (bolus and infusion, at 1 of 2 doses) or unfractionated heparin plus, at the time of percutaneous coronary intervention, eptifibatide. The otamixaban dose selected at interim analysis was an intravenous bolus of 0.080 mg/kg followed by an infusion of 0.140 mg/kg per hour. MAIN OUTCOMES AND MEASURES: The primary efficacy outcome was the composite of all-cause death or new myocardial infarction through day 7. RESULTS: Rates of the primary efficacy outcome were 5.5% (279 of 5105 patients) randomized to receive otamixaban and 5.7% (310 of 5466 patients) randomized to receive unfractionated heparin plus eptifibatide (adjusted relative risk, 0.99 [95% CI, 0.85-1.16]; P = .93). There were no differences for the secondary end points, including procedural thrombotic complications. The primary safety outcome of Thrombosis in Myocardial Infarction major or minor bleeding through day 7 was increased by otamixaban (3.1% vs 1.5%; relative risk, 2.13 [95% CI, 1.63-2.78]; P < .001). Results were consistent across prespecified subgroups. CONCLUSIONS AND RELEVANCE: Otamixaban did not reduce the rate of ischemic events relative to unfractionated heparin plus eptifibatide but did increase bleeding. These findings do not support the use of otamixaban for patients with NSTE-ACS undergoing planned early percutaneous coronary intervention. TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT01076764.


Asunto(s)
Síndrome Coronario Agudo/tratamiento farmacológico , Anticoagulantes/uso terapéutico , Óxidos N-Cíclicos/uso terapéutico , Inhibidores del Factor Xa , Hemorragia/inducido químicamente , Heparina/uso terapéutico , Péptidos/uso terapéutico , Piridinas/uso terapéutico , Síndrome Coronario Agudo/complicaciones , Adulto , Anciano , Anciano de 80 o más Años , Anticoagulantes/efectos adversos , Causas de Muerte , Óxidos N-Cíclicos/efectos adversos , Método Doble Ciego , Eptifibatida , Femenino , Humanos , Infusiones Intravenosas , Inyecciones Intravenosas , Masculino , Persona de Mediana Edad , Infarto del Miocardio/etiología , Infarto del Miocardio/prevención & control , Intervención Coronaria Percutánea , Complejo GPIIb-IIIa de Glicoproteína Plaquetaria/antagonistas & inhibidores , Piridinas/efectos adversos , Riesgo , Análisis de Supervivencia , Resultado del Tratamiento
18.
Orv Hetil ; 154(33): 1297-302, 2013 Aug 18.
Artículo en Húngaro | MEDLINE | ID: mdl-23933608

RESUMEN

INTRODUCTION: Mortality data of patients with acute myocardial infarction are incomplete in Hungary. AIM: The aim of the authors was to analyse the data of 8582 myocardial infarction patients (4981 with ST-elevation myocardial infarction) registered in the Hungarian Myocardial Infarction Register in order to define the hospital, 30-day, and 1-year mortality. To evaluate the prehospital mortality of myocardial infarction, all myocardial infarction and sudden death were registered in five districts of Budapest. METHOD: Multivariate logistic regression was performed to define risk factors of mortality and the model were assessed using c statistics. RESULTS: The hospital, 30-day and 1-year mortality of patients with ST elevation myocardial infarction were 3.7%, 9.5% and 16.5%, respectively. In patients without ST elevation myocardial infarction these figures were 4%, 9.8% and 21.7%, respectively. The 1-year mortality of patients without ST elevation was higher than those of with ST elevation and the difference was statistically significant. Age, Killip class, diabetes mellitus, history of stroke and myocardial infarction were independent predictors of death. Coronary intervention improved the prognosis of patients with myocardial infarction significantly. CONCLUSIONS: The rate of pre-hospital mortality was considerably high; 72.5% of 30 day mortality occurred before admission to hospital.


Asunto(s)
Angioplastia Coronaria con Balón , Infarto del Miocardio/epidemiología , Infarto del Miocardio/terapia , Adulto , Distribución por Edad , Anciano , Comorbilidad , Femenino , Sistema de Conducción Cardíaco/fisiopatología , Mortalidad Hospitalaria , Humanos , Hungría/epidemiología , Masculino , Persona de Mediana Edad , Infarto del Miocardio/mortalidad , Infarto del Miocardio/patología , Infarto del Miocardio/fisiopatología , Oportunidad Relativa , Pronóstico , Sistema de Registros , Medición de Riesgo , Factores de Riesgo , Distribución por Sexo , Factores de Tiempo , Resultado del Tratamiento
19.
Orv Hetil ; 164(35): 1387-1396, 2023 Sep 03.
Artículo en Húngaro | MEDLINE | ID: mdl-37660348

RESUMEN

INTRODUCTION: Renal dysfunction is a main limiting factor of applying and up-titrating guideline-directed medical therapy (GDMT) among patients with heart failure with reduced ejection fraction (HFrEF). OBJECTIVE: Our retrospective monocentric observational study aimed to analyse the application ratio of combined neurohormonal antagonist therapy (RASi: ACEI/ARB/ARNI + ßB + MRA) and 12-month all-cause mortality differences in terms of renal dysfunction among HFrEF patients hospitalized for heart failure. METHOD: We retrospectively analysed the cohort of consecutive HFrEF patients, hospitalized at the Heart Failure Unit of our tertiary cardiological centre in 2019-2021. The application ratio of discharge triple therapy (TT) in five groups established on admission eGFR parameters, representing severity of renal dysfunction (eGFR≥90, eGFR = 60-89, eGFR = 45-59, eGFR = 30-44, eGFR<30 ml/min/1.73 m2) was investigated with chi-square test, while 12-month mortality differences were analysed with Kaplan-Meier method and log-rank test. RESULTS: 257 patients were included. Median eGFR was 57 (39-75) ml/min/1.73 m2, 54% of patients had eGFR<60 ml/min/1.73 m2. The proportion of patients in eGFR≥90, 60-89, 45-59, 30-44, <30 ml/min/1.73 m2 subgroups was 12%, 34%, 18%, 21%, 15%, respectively. 2% of patients were on dialysis. Even though the application rate of TT was notably high (77%) in the total cohort, more severe renal dysfunction led to a significantly lower implementation rate of TT (94%, 86%, 91%, 70%, 34%; p<0.0001): the application rate of RASi (100%, 98%, 96%, 89%, 50%, p<0.0001), ßB (94%, 88%, 96%, 79%, 68%; p = 0.003) and MRA therapy (97%, 99%, 98%, 94%, 82%; p = 0.001) differed significantly. 12-month all-cause mortality was 23% in the whole cohort. Mortality rates were higher in more severe renal dysfunction (3%, 15%, 22%, 31%, 46%; p<0.0001). CONCLUSION: Even though the proportion of patients on TT in the whole cohort was remarkably high, renal dysfunction led to a significantly lower application ratio of TT, associating with worse survival. Our results highlight that despite renal dysfunction the application of HFrEF cornerstone pharmacotherapy is essential. Orv Hetil. 2023; 164(35): 1387-1396.


Asunto(s)
Insuficiencia Cardíaca , Enfermedades Renales , Humanos , Insuficiencia Cardíaca/tratamiento farmacológico , Estudios Retrospectivos , Antagonistas de Receptores de Angiotensina/uso terapéutico , Volumen Sistólico , Inhibidores de la Enzima Convertidora de Angiotensina/uso terapéutico , Riñón
20.
Stroke ; 43(12): 3168-72, 2012 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-23086674

RESUMEN

BACKGROUND AND PURPOSE: Few family studies reported moderate genetic impact on the presence and scores of carotid plaques. However, the heritability of carotid plaque characteristics remains still unclear. Twin studies more reliably estimate the relative contribution of genes to these traits in contrast to family study design. METHODS: One hundred ninety-two monozygotic and 83 dizygotic adult twin pairs (age 49±15 years) from Italy, Hungary, and the United States underwent B-mode and color Doppler ultrasound of bilateral common, internal, and external carotid arteries. RESULTS: Age-, sex-, and country-adjusted heritability was 78% for the presence of carotid plaque (95% CI, 55%-90%), 74% for plaque echogenicity (hypoechoic, hyperechoic, or mixed; 95% CI, 38%-87%), 69% for plaque size (area in mm2 in longitudinal plane; 50 percentile; 95% CI, 16%-86%), 74% for plaque sidedness (unilateral or bilateral; 95% CI, 25%-90%), 74% for plaque numerosity (95% CI, 26%-86%), 68% (95% CI, 40%-84%), and 66% (95% CI, 32%-90%) for the presence of plaque in carotid bulbs and proximal internal carotid arteries. No role of shared environmental factors was found. Unique environmental factors were responsible for the remaining variance (22%-34%). Controlling for relevant covariates did not change the results significantly. CONCLUSIONS: The heritability of ultrasound characteristics of carotid plaque is high. Unshared environmental effects account for a modest portion of the variance. Our findings should stimulate the search for genes responsible for these traits.


Asunto(s)
Estenosis Carotídea/diagnóstico por imagen , Estenosis Carotídea/genética , Ultrasonografía Doppler , Adulto , Ambiente , Femenino , Humanos , Hungría , Internacionalidad , Italia , Masculino , Persona de Mediana Edad , Gemelos Dicigóticos/genética , Gemelos Monocigóticos/genética , Estados Unidos
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