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1.
Sci Rep ; 14(1): 10894, 2024 05 13.
Artigo em Inglês | MEDLINE | ID: mdl-38740817

RESUMO

This study evaluated the association of atherogenic index of plasma (AIP) with platelet reactivity and clinical outcomes according to acute myocardial infarction (AMI). The composite of 3-year adverse outcomes of all-cause death, myocardial infarction, and cerebrovascular accident was evaluated in 10,735 patients after successful percutaneous coronary intervention with drug-eluting stents. AIP was defined as the base 10 logarithm of the ratio of triglyceride to high-density lipoprotein cholesterol concentration. High platelet reactivity (HPR) was defined as ≥ 252 P2Y12 reactivity unit. An increase of AIP (per-0.1 unit) was related to the decreased risk of HPR [odds ratio (OR) 0.97, 95% confidence interval (CI) 0.96-0.99; P = 0.001] in non-AMI patients, not in AMI patients (OR 0.98, 95% CI 0.96-1.01; P = 0.138). The HPR was associated with the increased risk of composite outcomes in both non-AMI and AMI patients (all-P < 0.05). AIP levels were not independently associated with the risk of composite outcomes in both patients with non-AMI and AMI. In conclusion, an inverse association between AIP and the risk of HPR was observed in patients with non-AMI. This suggests that the association between plasma atherogenicity and platelet reactivity may play a substantial role in the development of AMI.Trial registration: NCT04734028.


Assuntos
Aterosclerose , Plaquetas , Infarto do Miocárdio , Humanos , Infarto do Miocárdio/sangue , Masculino , Feminino , Pessoa de Meia-Idade , Idoso , Plaquetas/metabolismo , Aterosclerose/sangue , Intervenção Coronária Percutânea , Fatores de Risco , Triglicerídeos/sangue , HDL-Colesterol/sangue , Stents Farmacológicos , Ativação Plaquetária
2.
BMC Cardiovasc Disord ; 24(1): 268, 2024 May 21.
Artigo em Inglês | MEDLINE | ID: mdl-38773383

RESUMO

BACKGROUND: The impact of hypertrophic cardiomyopathy (HCM) on cardiovascular and obstetrical outcomes in pregnant women remains unclear, particularly in Asian populations. This study aimed to evaluate the maternal cardiovascular and obstetrical outcomes in Korean women with HCM. METHODS: Using data from the Korean National Health Insurance Service database, we identified women who gave birth via cesarean section or vaginal delivery after being diagnosed with HCM between 2006 and 2019. Maternal cardiovascular and obstetrical outcomes were assessed based on the trimester of pregnancy. RESULTS: This study included 122 women and 158 pregnancies. No maternal deaths were noted; however, 21 cardiovascular events, such as hospital admission for cardiac problems, including heart failure and atrial fibrillation (AF), new-onset AF or ventricular tachycardia (VT) occurred in 14 pregnancies (8.8%). Cardiac events occurred throughout pregnancy with a higher occurrence in the third trimester. Cesarean sections were performed in 49.3% of the cases, and all cardiovascular outcomes occurring after delivery were observed in patients who had undergone cesarean sections. Seven cases involved preterm delivery, and two of these cases were accompanied by cardiac events, specifically AF. Pre-existing arrhythmia (AF: odds ratio (OR): 7.44, 95% confidence interval (CI): 2.61-21.21, P < 0.001; VT: OR: 31.61, 95% CI: 5.85-172.77, P < 0.001) was identified as a predictor for composite outcomes of cardiovascular events or preterm delivery. CONCLUSIONS: Most pregnant women with HCM were well-tolerated. However, cardiovascular complications could occur in some patients. Therefore, planned delivery may be necessary for selected patients, especially the women with pre-existing arrhythmias.


Assuntos
Cardiomiopatia Hipertrófica , Bases de Dados Factuais , Complicações Cardiovasculares na Gravidez , Humanos , Feminino , Gravidez , Cardiomiopatia Hipertrófica/epidemiologia , Cardiomiopatia Hipertrófica/mortalidade , Cardiomiopatia Hipertrófica/complicações , Cardiomiopatia Hipertrófica/diagnóstico , Adulto , Complicações Cardiovasculares na Gravidez/epidemiologia , Complicações Cardiovasculares na Gravidez/diagnóstico , Fatores de Risco , República da Coreia/epidemiologia , Medição de Risco , Cesárea , Estudos Retrospectivos , Adulto Jovem , Resultado da Gravidez/epidemiologia
3.
Nurs Open ; 10(9): 6309-6319, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37313589

RESUMO

AIMS: The aim of this study was to identify the effects of a 24-week interactive text message-based mobile health intervention (called) on enhancing the self-care behaviours of patients with heart failure. BACKGROUND: Whether text message-based mobile health intervention can be used to improve long-term adherence to self-care behaviours among heart failure patients remains unclear. DESIGN: A quasi-experimental study with a pretest-post-test design and repeated measures. METHODS: Data from 100 patients (mean age, 58.78 years; 83.0% men) were analysed. The intervention group (n = 50) used the program over 24 weeks, which consisted of weekly goal setting and interactive text messaging, while the control group (n = 50) received usual care. Trained research assistants collected data using self-reported Likert questionnaires. Primary (self-care behaviours) and secondary (health literacy, eHealth literacy, and disease knowledge) outcome variables were measured at baseline and at 1, 3 and 6 months after intervention for follow-up. RESULTS: The findings showed that the intervention group demonstrated significantly better self-care behaviours than the control group during the 6 months. Notably, the trajectory of self-care behaviours of the patients in the intervention group showed a steep rise between the first- and third-month follow-up, followed by high stability between the third- and sixth-month follow-up. In addition, the intervention group had significantly higher disease knowledge than the control group at the first- and sixth-month follow-up. CONCLUSIONS: We found that the program, as an interactive text messaging service, may be an optimal strategy for improving long-term adherence to self-care behaviours through motivating and providing social support. RELEVANCE TO THE NURSING PRACTICE: The WithUs program can help nurses and other healthcare professionals to track patients' health indicators such as symptom severity, diet and physical activity. In addition, nurses can take an important role in evaluating the efficacy of the app in relation to patients' health outcome. PATIENT OR PUBLIC CONTRIBUTION: Patients have completed a self-reported questionnaire after providing informed consent.


Assuntos
Insuficiência Cardíaca , Telemedicina , Envio de Mensagens de Texto , Masculino , Humanos , Pessoa de Meia-Idade , Feminino , Autocuidado , Exercício Físico , Insuficiência Cardíaca/terapia
4.
J Adv Nurs ; 78(10): 3235-3246, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-35429019

RESUMO

AIM: To describe the prevalence and associated factors of pre-frailty and frailty in older patients with heart failure. DESIGN: Secondary analysis of data collected across two cross-sectional surveys on self-care behaviours of patients with heart failure. METHODS: We analysed the data of patients with heart failure who were 60 years or older (n = 407) in cardiovascular outpatient clinics at two tertiary medical centres in South Korea between 2018 and 2019. Frailty was evaluated using the Korean version of the 5-item fatigue, resistance, ambulation, illnesses and loss of weight (FRAIL) scale. Frailty status was categorized as robust, pre-frail and frail. Multivariate multinomial logistic regression was used to examine the associations between sociodemographic, clinical characteristics and frailty status. RESULTS: In our sample, the prevalence of pre-frailty and frailty was 45.6% and 28.3% respectively. Patients aged 80 years or older had a higher prevalence of pre-frailty and frailty than those younger than 80 years. Advanced age and the worst category in the New York Heart Association (NYHA) functional classification were significantly associated with the risk of pre-frailty and frailty. Additionally, having more comorbid conditions was associated with an increased risk of frailty. CONCLUSION: Our study identified advanced age, the NYHA functional classification, and the number of comorbidities as the major characteristics associated with the risk of frailty in older patients with heart failure. IMPACT: The findings of this study highlight the prevalence and associated characteristics of pre-frailty and frailty in older adults with heart failure in South Korea. Most older adults with heart failure were either pre-frail or frail. Advanced age, the NYHA functional classification, and the number of comorbidities were the major characteristics associated with frailty risk. Our findings highlight the importance of incorporating frailty screening into routine assessments in older patients with heart failure.


Assuntos
Fragilidade , Insuficiência Cardíaca , Idoso , Estudos Transversais , Idoso Fragilizado , Fragilidade/epidemiologia , Avaliação Geriátrica , Insuficiência Cardíaca/epidemiologia , Humanos , Prevalência , República da Coreia/epidemiologia
6.
J Card Surg ; 36(9): 3283-3287, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-34171136

RESUMO

BACKGROUND: The transaortic approach is the most common method of septal myectomy. However, difficulties arise due to a limited view of the surgical field. Here, we report our experience with videoscope-assisted transaortic myectomy. METHODS: We reviewed myectomy operations that were performed between July 2015 and June 2019 at Chung-Ang University Hospital, Seoul, South Korea. Patients who previously had cardiac surgery, alcohol septal ablation, or concomitant disease which required combined surgery, were excluded. Among the 21 patients included, 10 patients underwent videoscope-assisted transaortic myectomy (VA group), and 11 patients underwent myectomy in a conventional manner (CO group). The preoperative data, echocardiographic images, operative records, and postoperative outcomes of these patients were reviewed. RESULTS: There were no differences in baseline characteristics between groups VA and CO. The main indications for videoscope-assisted transaortic myectomy in group VA were midventricular septal muscle resection (70%), abnormal papillary muscle resection (40%), and abnormal chordal connection resection (30%). Eight (80%) patients had multiple indications for videoscope-assisted transaortic myectomy. There was no surgical mortality in either group. Postoperative patients showed less than moderate mitral regurgitation and a New York Heart Association class either III or IV. There were no differences in hospital days (9.5 vs. 12.0 days; p = .383), nor postoperative pressure gradient (14 vs. 15 mmHg; p > .99). CONCLUSIONS: Videoscope-assisted transaortic myectomy is an effective surgical technique in selective hypertrophic cardiomyopathy patients with complex intraventricular anatomy, diffuse hypertrophy, and midventricular obstruction.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Cardiomiopatia Hipertrófica , Cardiomiopatia Hipertrófica/complicações , Cardiomiopatia Hipertrófica/cirurgia , Septos Cardíacos/diagnóstico por imagem , Septos Cardíacos/cirurgia , Ventrículos do Coração , Humanos , Resultado do Tratamento
8.
Sci Rep ; 10(1): 15872, 2020 09 28.
Artigo em Inglês | MEDLINE | ID: mdl-32985552

RESUMO

There is a paucity of information as to whether chromosomal abnormalities, including Down Syndrome, Turner Syndrome, and Klinefelter Syndrome, have an association with atrial fibrillation (AF) and ischemic stroke development. Data from 3660 patients with Down Syndrome, 2408 with Turner Syndrome, and 851 with Klinefelter Syndrome without a history of AF and ischemic stroke were collected from the Korean National Health Insurance Service (2007-2014). These patients were followed-up for new-onset AF and ischemic stroke. Age- and sex-matched control subjects (at a ratio of 1:10) were selected and compared with the patients with chromosomal abnormalities. Down Syndrome patients showed a higher incidence of AF and ischemic stroke than controls. Turner Syndrome and Klinefelter Syndrome patients showed a higher incidence of AF than did the control group, but not of stroke. Multivariate Cox regression analysis revealed that three chromosomal abnormalities were independent risk factors for AF, and Down Syndrome was independently associated with the risk of stroke. In conclusion, Down Syndrome, Turner Syndrome, and Klinefelter Syndrome showed an increased risk of AF. Down Syndrome patients only showed an increased risk of stroke. Therefore, AF surveillance and active stroke prevention would be beneficial in patients with these chromosomal abnormalities.


Assuntos
Fibrilação Atrial/epidemiologia , Fibrilação Atrial/genética , Aberrações Cromossômicas , AVC Isquêmico/epidemiologia , AVC Isquêmico/genética , Adolescente , Adulto , Criança , Feminino , Predisposição Genética para Doença/genética , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Adulto Jovem
10.
J Clin Med ; 9(2)2020 Feb 18.
Artigo em Inglês | MEDLINE | ID: mdl-32085596

RESUMO

The application of a simple blood test to predict prognosis in acute heart failure (AHF) patients is not well established. Neutrophil-lymphocyte ratio (NLR) is inexpensive and easy to obtain in hospitalized patients using a routine blood test. We evaluate the prognostic implications of NLR as an independent predictor of in-hospital and long-term mortality in AHF patients. Among 5625 patients enrolled in the Korean Acute Heart Failure registry, 5580 patients were classified into quartiles by their NLR level, and analyzed for in-hospital and post-discharge three-year mortality. Patients in the highest NLR quartile had the highest in-hospital and post-discharge three-year mortality. The same results were seen by dividing the aggravating factor into the infection or ischemia group and the non-infection or non-ischemia group. For patients aggravated from infection or ischemia, a cut-off NLR value was 7.0 that increase the risk of in-hospital and post-discharge three-year mortality. In subgroups of patients not aggravated from infection or ischemia, a cut-off NLR value was 5.0 that increase the risk of in-hospital and post discharge three-year mortality. Elevated NLR in AHF patients at the index hospitalization is an independent predictor for in-hospital and post-discharge three-year mortality. Taken together, NLR is a marker for risk assessment of AHF patients.

12.
Ann Vasc Surg ; 66: 554-565, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31706994

RESUMO

BACKGROUND: The association between oxidized low-density lipoprotein (OxLDL) and plaque instability in coronary and carotid artery disease is well established. However, the association between OxLDL and the histologic changes of plaque in peripheral artery disease has not been clearly elucidated. This study aims to investigate the association between plasma OxLDL and histologic plaque instability in patients with peripheral artery disease. METHODS: Prospectively obtained plaques from 48 patients who underwent endovascular atherectomy (n = 20), surgical endarterectomy (n = 9), or bypass surgery (n = 19) for treatment of atherosclerotic femoropopliteal artery disease were evaluated for histologic fibrosis, sclerosis, calcification, necrosis, cholesterol cleft, and foamy macrophages using hematoxylin and eosin, oil red O, and immunohistochemical staining. Unstable plaques were defined as plaques that were positive for foamy macrophages and with lipid content of more than 10% of the total plaque area. Plasma OxLDL levels were measured using an enzyme-linked immunosorbent assay (Mercodia AB, Uppsala, Sweden). RESULTS: Of the 48 patients, 26 (54%) had unstable plaques. The unstable plaque group was younger, had fewer angiographic total occlusions, less calcification, and more CD68-positive and LOX-1-positive cells than the stable plaque group. Plasma OxLDL levels were significantly higher in the unstable plaque group than in the stable plaque group (57.4 ± 13.9 vs. 47.2 ± 13.6 U/L, P = 0.014). Multivariate analysis revealed that plasma OxLDL level, smoking, angiographic nontotal occlusion, and statin nonuse were independent predictors of unstable plaque. CONCLUSIONS: Among patients with peripheral artery disease, the histologic instability of femoropopliteal plaque was independently associated with high plasma OxLDL, smoking, nontotal occlusion, and statin nonuse. Further large-scale studies are necessary to evaluate the role of noninvasive OxLDL measurement for predicting plaque instability and future adverse vascular event.


Assuntos
Lipoproteínas LDL/sangue , Doença Arterial Periférica/sangue , Doença Arterial Periférica/patologia , Placa Aterosclerótica , Idoso , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/terapia , Valor Preditivo dos Testes , Prognóstico , Estudos Prospectivos , República da Coreia , Fatores de Risco , Ruptura Espontânea , Regulação para Cima
13.
Menopause ; 26(11): 1272-1276, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-31688574

RESUMO

OBJECTIVES: This study investigated the association between obesity type and obstructive coronary artery disease (CAD) in postmenopausal women. METHODS: Study data were obtained from a nation-wide registry, composed of 659 women older than 55 years with chest pain undergoing elective invasive coronary angiography in the suspicion of CAD. Obstructive CAD was defined as angiographic findings of ≥50% diameter stenosis with any major epicardial coronary artery. Overall obesity was defined as a body mass index of ≥25 kg/m, and central obesity was defined as a waist circumference of ≥85 cm. RESULTS: A total of 311 women (47.2%) had obstructive CAD. The incidence of overall obesity was not different between participants with and without obstructive CAD (P = 0.340), but the prevalence of obstructive CAD was significantly higher in participants with central obesity than those without (55.5% vs 41.0%, P < 0.001). There was no significant difference in body mass index between participants with and without obstructive CAD (P = 0.373). Multivariable analysis showed that central obesity was associated with obstructive CAD even after controlling for potential confounders (odds ratio, 1.61; 95% confidence interval, 1.10-2.34; P = 0.013). However, overall obesity was not associated with obstructive CAD in the same multivariable analysis (P = 0.228). CONCLUSIONS: Central obesity but not overall obesity is associated with obstructive CAD in postmenopausal women with stable chest pain undergoing invasive coronary angiography. : Video Summary: Supplemental Digital Content 1, http://links.lww.com/MENO/A440.


Assuntos
Doença da Artéria Coronariana/etiologia , Obesidade/complicações , Pós-Menopausa , Idoso , Dor no Peito/epidemiologia , Dor no Peito/etiologia , Angiografia Coronária , Doença da Artéria Coronariana/epidemiologia , Feminino , Humanos , Pessoa de Meia-Idade , Obesidade/patologia , Razão de Chances , Prevalência , Sistema de Registros , República da Coreia/epidemiologia , Fatores de Risco
14.
Sci Rep ; 9(1): 10970, 2019 07 29.
Artigo em Inglês | MEDLINE | ID: mdl-31358791

RESUMO

The purpose of the present study was to describe the temporal trends in prevalence and management status of hypertension in Korea between 1998 and 2015. Data of adults who were aged 30 years or older were extracted from the Korea National Health and Nutrition Examination Survey, a nationwide representative population-based survey. Hypertension was prevalent in 30.5% of Korean adults. The age and sex standardized prevalence showed little change between 1998 and 2015. The elderly population and men showed higher prevalence. The rates of awareness, treatment, and control showed substantial improvements among hypertensive subjects between 1998 and the time period of 2007‒2009 (awareness, from 23.5 to 66.3%; treatment, from 20.4 to 60.3%; and control, from 4.9 to 42.1%), after which the numbers reached a plateau and no significant changes were observed subsequently (67.3%, 63.6%, and 46.2%, respectively, between 2013 and 2015). The management status remained poor especially among the young population and in men. In conclusion, the hypertension prevalence remained stable at approximately 30% in Korea between 1998 and 2015. While awareness, treatment, and control of hypertension improved remarkably, the young population and particularly men showed a suboptimal management status.


Assuntos
Monitorização Ambulatorial da Pressão Arterial/tendências , Conhecimentos, Atitudes e Prática em Saúde , Hipertensão/epidemiologia , Hipertensão/terapia , Adulto , Fatores Etários , Idoso , Estudos Transversais , Feminino , Inquéritos Epidemiológicos , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos Nutricionais , Prevalência , República da Coreia/epidemiologia , Fatores de Risco , Fatores Sexuais
15.
Int J Cardiol ; 275: 77-82, 2019 Jan 15.
Artigo em Inglês | MEDLINE | ID: mdl-30360993

RESUMO

BACKGROUND: Ankylosing spondylitis (AS) is a chronic inflammatory rheumatic disease, associated with a number of cardiovascular diseases. We sought to investigate whether AS increases the risk of atrial fibrillation (AF) in a nationwide population-based study. METHODS: A total of 14,129 patients newly diagnosed with AS (mean age 41.8 ±â€¯15.3 years, 72% male) were recruited from the Korean National Health Insurance Service database between 2010 and 2014 and followed up for new onset AF. Age- and sex-matched non-AS subjects (1:5, n = 70,645) were selected and compared with the AS patients. RESULTS: During a mean follow-up of 3.5 years, AF was newly diagnosed in 486 patients (114 patients of the AS group). The AS patients developed AF more frequently than the non-AS subjects (2.32 vs. 1.51 per 1000 person-years). In multivariate Cox regression analysis, AS was an independent risk factor for AF (Hazard ratio [HR] 1.28, 95% confidence interval [1.03-1.58]). The AS with tumor necrosis factor inhibitor (TNFi) therapy group showed higher risk for AF (HR 1.60 [1.02-2.39]). In younger patients of the AS group (patients <40 years old), the risk for AF was three times higher than patients at same age in the non-AS group. AS was an independent risk factor for AF in men, but not in women (HR 1.53 [1.18-1.95]; HR 1.42 [0.94-2.08], respectively). CONCLUSIONS: AS was an independent risk factor for AF, especially in those under 40 years of age and those administered TNFi. It would be reasonable to screen for AF and stroke prevention in these high-risk patients.


Assuntos
Fibrilação Atrial/epidemiologia , Vigilância da População , Medição de Risco/métodos , Espondilite Anquilosante/complicações , Adulto , Idoso , Fibrilação Atrial/etiologia , Feminino , Seguimentos , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Prognóstico , República da Coreia/epidemiologia , Estudos Retrospectivos , Fatores de Risco , Espondilite Anquilosante/epidemiologia , Adulto Jovem
16.
Circ J ; 83(2): 347-356, 2019 01 25.
Artigo em Inglês | MEDLINE | ID: mdl-30404976

RESUMO

BACKGROUND: The clinical characteristics and outcomes of acute heart failure (AHF) according to left ventricular ejection fraction (LVEF) have not been fully elucidated, especially for patients with mid-range LVEF. We performed a comprehensive comparison of the epidemiology, patterns of in-hospital management, and clinical outcomes in AHF patients with different LVEF categories. Methods and Results: The Korean Acute Heart Failure (KorAHF) registry is a prospective multicenter cohort of hospitalized AHF patients in Korea. A total of 5,374 patients enrolled in the KorAHF registry were classified according to LVEF based on the 2016 ESC guidelines. More than half of the HF patients (58%) had reduced EF (HFrEF), 16% had mid-range EF (HFmrEF), and 25% had preserved EF (HFpEF). The HFmrEF patients showed intermediate epidemiological profiles between HFrEF and HFpEF and had a propensity to present as de-novo HF with ischemic etiology. Patients with lower LVEF had worse short-term outcomes, and the all-cause in-hospital mortality, including urgent heart transplantation, of HFrEF, HFmrEF, and HFpEF was 7.1%, 3.6%, and 3.0%, respectively. Overall, discharged AHF patients showed poor 3-year all-cause death up to 38%, which was comparable between LVEF subgroups (P=0.623). CONCLUSIONS: Each LVEF subgroup of AHF patients was a heterogeneous population with diverse characteristics, which have a significant effect on the clinical outcomes. This finding suggested that focused phenotyping of AHF patients could help identify the optimal management strategy and develop novel effective therapies.


Assuntos
Insuficiência Cardíaca/fisiopatologia , Volume Sistólico , Idoso , Causas de Morte , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/mortalidade , Mortalidade Hospitalar , Humanos , Masculino , Estudos Prospectivos , Sistema de Registros , República da Coreia/epidemiologia , Resultado do Tratamento
17.
Sci Rep ; 8(1): 13155, 2018 09 03.
Artigo em Inglês | MEDLINE | ID: mdl-30177714

RESUMO

The 2017 American College of Cardiology/American Heart Association (ACC/AHA) hypertension guideline lowered the threshold defining hypertension and treatment target from 140/90 mmHg to 130/80 mmHg. We compared the 2017 ACC/AHA guideline and the Eighth Joint National Committee (JNC8) report with regard to the current status of hypertension using the Korean National Health and Nutrition Examination Survey. The association between blood pressure (BP) control and long-term major cardiovascular outcomes (MACEs) was analyzed using the Korea National Health Insurance Service cohort. In the cross-sectional study with 15,784 adults, the prevalence of hypertension was expected to be 49.2 ± 0.6% based on the definition suggested by the 2017 ACC/AHA guideline versus 30.4 ± 0.6% based on the JNC8 report. In a longitudinal analysis with 373,800 hypertensive adults for the median follow-up periods of 11.0 years, the adults meeting the target goal BP goal of 2017 ACC/AHA guideline were associated with 21% reduced risk of MACEs compared with adults, not meeting 2017 ACC/AHA BP goal but meeting JNC8 target goal. In conclusion, substantial increase of prevalence of hypertension is expected by the 2017 ACC/AHA guideline. This study also suggests endorsing the aggressive approach would lead to an improvement in cardiovascular care.


Assuntos
Anti-Hipertensivos/uso terapêutico , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Idoso , Pressão Sanguínea/efeitos dos fármacos , Monitorização Ambulatorial da Pressão Arterial/métodos , Estudos Transversais , Feminino , Inquéritos Epidemiológicos , Humanos , Hipertensão/mortalidade , Hipertensão/fisiopatologia , Masculino , Pessoa de Meia-Idade , Guias de Prática Clínica como Assunto , Prevalência , República da Coreia/epidemiologia , Análise de Sobrevida , Resultado do Tratamento
18.
PLoS One ; 11(11): e0165885, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27806099

RESUMO

BACKGROUND: Cardiac valvular calcification is associated with the overall coronary plaque burden and considered an independent cardiovascular risk and prognostic factor. The purpose of this study was to evaluate the relationship between the presence of valvular calcification and plaque morphology and/or vulnerability. METHODS: Transthoracic echocardiography was used to assess valvular calcification in 280 patients with coronary artery disease who underwent radiofrequency intravascular ultrasound (Virtual Histology IVUS, VH-IVUS). A propensity score-matched cohort of 192 patients (n = 96 in each group) was analyzed. Thin-capped fibroatheroma (TCFA) was defined as a necrotic core (NC) >10% of the plaque area with a plaque burden >40% and NC in contact with the lumen for ≥3 image slices. A remodeling index (lesion/reference vessel area) >1.05 was considered to be positive. RESULTS: Patients were divided into two groups: any calcification in at least one valve (152 patients) vs. no detectable valvular calcification (128 patients). Groups were similar in terms of age, risk factors, clinical diagnosis, and angiographic analysis after propensity score-matched analysis. Gray-scale IVUS analysis showed that the vessel size, plaque burden, minimal lumen area, and remodeling index were similar. By VH-IVUS, % NC and % dense calcium (DC) were greater in patients with valvular calcification (p = 0.024, and p = 0.016, respectively). However, only % DC was higher at the maximal NC site by propensity score-matched analysis (p = 0.029). The frequency of VH-TCFA occurrence was higher depending on the complexity (p = 0.0064) and severity (p = 0.013) of valvular calcification. CONCLUSIONS: There is a significant relationship between valvular calcifications and VH-IVUS assessment of TCFAs. Valvular calcification indicates a greater atherosclerosis disease complexity (increased calcification of the coronary plaque) and vulnerable coronary plaques (higher incidence of VH-TCFA).


Assuntos
Doença da Artéria Coronariana/diagnóstico por imagem , Doenças das Valvas Cardíacas/diagnóstico por imagem , Placa Aterosclerótica/diagnóstico por imagem , Ultrassonografia de Intervenção/métodos , Adulto , Idoso , Angiografia Coronária , Ecocardiografia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Pontuação de Propensão , Estudos Retrospectivos
19.
Coron Artery Dis ; 25(3): 236-41, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24441109

RESUMO

BACKGROUND: Most intravascular ultrasound (IVUS) data are stored digitally using the Digital Imaging and Communications in Medicine (DICOM) standard. This allows random access to studies and improves on the major limitation of conventional grayscale IVUS. METHODS: We harvested 129 coronary arteries from 43 autopsied cases. Grayscale IVUS and virtual histology-IVUS imaging were performed beginning 30 mm distal to the ostium of each coronary artery. Grayscale IVUS was processed; and the signal intensity was determined from DICOM-stored images using a new Medical Imaging Bench system (Echoplaque-MIB). We compared 436 regions of interest. The accuracy rate was expressed using the interpolation method and 95% confidence interval (CI). RESULTS: Patients' mean age was 49±9 years and 82% were men. Four patients succumbed to sudden cardiac death and 39 to noncardiac death. Grayscale IVUS signal intensity of dense calcium was 215±21.1 (95% CI: 207-223), that of fibrotic plaque was 75±17.8 (95% CI: 72-79), and that of fibrofatty plaque was 55±11.3 (95% CI: 52-59); however, the signal intensity of the necrotic core was between fibrotic plaque and dense calcium of 161±27.4 (95% CI: 153-168). Using the interpolation method, the cutoff values were as follows: fibrofatty plaque 0-65, fibrotic plaque 66-105, necrotic core 106-187, and dense calcium of at least 188. Overall, MIB grayscale had a 78.1% sensitivity and a 91.9% specificity versus histopathology. CONCLUSION: Plaque characterization using DICOM-based grayscale IVUS signal intensity analysis may improve on the major limitation of conventional grayscale IVUS: its inability to assess plaque composition.


Assuntos
Vasos Coronários , Técnicas Histológicas/métodos , Placa Aterosclerótica , Ultrassonografia de Intervenção , Adulto , Pesquisa Comparativa da Efetividade , Intervalos de Confiança , Vasos Coronários/diagnóstico por imagem , Vasos Coronários/patologia , Feminino , Histologia Comparada/métodos , Humanos , Aumento da Imagem/métodos , Bibliotecas Digitais , Masculino , Pessoa de Meia-Idade , Imagem Multimodal/métodos , Placa Aterosclerótica/diagnóstico por imagem , Placa Aterosclerótica/patologia , Valor Preditivo dos Testes , Sensibilidade e Especificidade , Ultrassonografia de Intervenção/métodos , Ultrassonografia de Intervenção/normas
20.
Korean Circ J ; 42(11): 741-6, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-23236325

RESUMO

BACKGROUND AND OBJECTIVES: The effects of fenofibrate on C-reactive protein (CRP) are under debate. We investigated the effect of fenofibrate on CRP levels and the variables determining changes. SUBJECTS AND METHODS: This case-control study enrolled 280 hypertriglyceridemic patients who were managed either with 200 mg of fenofibrate (Fenofibrate group, n=140) or with standard treatment (comparison group, n=140). CRP levels were measured before and after management for 2 months. RESULTS: CRP levels decreased in both the fenofibrate (p=0.003) and comparison (p=0.048) groups. Changes in CRP levels were not significantly different between the two groups (p=0.27) and were negatively associated with baseline CRP levels (r=-0.47, p<0.001). In patients with a baseline CRP level ≥1 mg/L, CRP levels also decreased in both groups (p=0.000 and p=0.001 respectively), however, more in the fenofibrate group than in the comparison group (p=0.025). The reduction of CRP was associated with higher baseline CRP levels (r=-0.29, p=0.001), lower body mass index (BMI, r=0.23, p=0.007), and fenofibrate therapy (r=0.19, p=0.025). CRP levels decreased more in the fenofibrate group than in the comparison group in patients with a BMI ≤26 kg/m(2) with borderline significance (-1.21±1.82 mg/L vs. -0.89±1.92 mg/L, p=0.097). In patients with a high density lipoprotein-cholesterol level <40 mg/dL, CRP levels were reduced only in the fenofibrate group (p=0.006). CONCLUSION: Fenofibrate reduced CRP levels in hypertriglyceridemic patients with high CRP and/or low high density lipoprotein-cholesterol levels and without severe overweight. This finding suggests that fenofibrate may have an anti-inflammatory effect in selected patients.

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