RESUMO
OBJECTIVES: The aim of this study was to investigate the effect of diabetes mellitus (DM) on the association between Galectin-3 (Gal-3) and the H2FPEF score in patients with unexplained dyspnea and a preserved left ventricular ejection fraction (LVEF). METHODS: A cross-sectional observational study was conducted on patients with unexplained dyspnea and a preserved LVEF in the Cardiology Department of Elazig Medical Park Hospital, Turkey. The patients were evaluated based on the presence of DM and the H2FPEF score. Gal-3 levels were compared between groups, and the effect of DM on Gal-3 was assessed. The level of statistical significance in all tests was set at p < .05. RESULTS: Gal-3 and H2FPEF scores were higher in patients with DM (p < .001 and p = .027, respectively). Gal-3 and HbA1C values were elevated in patients with moderate to high H2FPEF scores (p < .01 and p = .036, respectively). DM and Hypertension were more prevalent in patients with moderate to high H2FPEF scores (p = 0.024, p < 0.001, respectively). A strong correlation was observed between Gal-3 and the H2FPEF score (r = 0.375, p < .001). Gal-3 could predict patients with a moderate to high H2FPEF score using a cut-off value of 14.7, with a sensitivity of 69% and specificity of 67% (AUC: 0.702). CONCLUSIONS: Gal-3 serves as an independent predictor of the H2FPEF score in the presence of DM, and the diagnostic capability of Gal-3 for Heart Failure with preserved LVEF remains unaffected by DM.
Assuntos
Diabetes Mellitus , Insuficiência Cardíaca , Humanos , Volume Sistólico , Função Ventricular Esquerda , Galectina 3 , Estudos Transversais , DispneiaRESUMO
BACKGROUND: The perioperative use of antithrombotic therapy is associated with increased bleeding risk after cardiac implantable electronic device (CIED) implantation. Topical application of tranexamic acid (TXA) is effective in reducing bleeding complications after various surgical operations. However, there is no information regarding local TXA application during CIED procedures. The purpose of our study was to evaluate bleeding complications rates during CIED implantation with and without topical TXA use in patients receiving antithrombotic treatment. METHODS: We conducted a retrospective analysis of consecutive patients undergoing CIED implantation while receiving warfarin or dual antiplatelet (DAPT) or warfarin plus DAPT treatment. Study population was classified in two groups according to presence or absence of topical TXA use during CIED implantation. Pocket hematoma (PH), major bleeding complications (MBC) and thromboembolic events occuring within 90 days were compared. RESULTS: A total of 135 consecutive patients were identified and included in the analysis. The mean age was 60 ± 11 years old. Topical TXA application during implantation was reported in 52 patients (TXA group). The remaining 83 patients were assigned to the control group. PH occurred in 7.7 % patients in the TXA group and 26.5 % patients in the control group (P = 0.013). The MBC was reported in 5.8 % patients in the TXA and 20.5 % patients in control group (P = 0.024). Univariate logistic regression analysis identified age, history of recent stent implantation, periprocedural spironolactone use, periprocedural warfarin use, perioperative warfarin plus DAPT use, cardiac resynchronization therapy, and topical TXA application during CIED implantation as predicting factors of PH. Multivariate analysis showed that perioperative warfarin plus DAPT use (OR = 10.874, 95 % CI: 2.496-47.365, P = 0.001) and topical TXA application during CIED procedure (OR = 0.059, 95 % CI: 0.012-0.300, P = 0.001) were independent predictors of PH. Perioperative warfarin plus DAPT use and topical TXA application were also found to be independent predictors of MBC in multivariate analyses. No thromboembolic complications was recorded in the study group. CONCLUSION: The present study demonstrated that the topical TXA application during CIED implantation is associated with reduced PH and MBC in patients with high bleeding risk.
Assuntos
Antifibrinolíticos/administração & dosagem , Perda Sanguínea Cirúrgica/prevenção & controle , Fibrinolíticos/efeitos adversos , Inibidores da Agregação Plaquetária/efeitos adversos , Implantação de Prótese/efeitos adversos , Ácido Tranexâmico/administração & dosagem , Varfarina/efeitos adversos , Administração Tópica , Idoso , Antifibrinolíticos/efeitos adversos , Distribuição de Qui-Quadrado , Esquema de Medicação , Quimioterapia Combinada , Feminino , Fibrinolíticos/administração & dosagem , Hematoma/etiologia , Hematoma/prevenção & controle , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Razão de Chances , Inibidores da Agregação Plaquetária/administração & dosagem , Implantação de Prótese/instrumentação , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Ácido Tranexâmico/efeitos adversos , Resultado do Tratamento , Varfarina/administração & dosagemRESUMO
PURPOSE: Diastolic heart failure is characterized by the presence of heart failure symptoms despite preserved systolic function. Cytokines released during allergic reactions may impair diastolic heart function, either through their direct toxic effects or by inducing coronary artery spasm. The purpose of this study was to examine the effects of acute allergic reactions on diastolic heart function. METHODS: Fifty patients, randomly selected from those who were admitted to the emergency room between May 2010 and December 2010 with the complaints of rash and itching, and who were subsequently diagnosed with allergic reactions based on the clinical and laboratory findings, were included in the study as the allergy group. Thirty healthy volunteers, in whom the diagnosis of allergy was ruled out based on the clinical and laboratory data, were use as the control group. Diastolic heart functions were evaluated in patients presenting with allergic reaction as well as in control subjects. RESULTS: There was no significant difference between the two groups in terms of basal systolic functions, diameters of the cavities and wall thicknesses, and biochemical parameters. Color M mode flow progression velocities, E ratios, E/A ratios and mitral lateral annulus tissue Doppler velocities measured by echocardiography at Day 0 and Day 5 were significantly altered in the allergy group (p < 0.05). CONCLUSION: Impairment in diastolic functions was observed following acute allergic reactions. Acute allergic reactions could be a cause of mortality and morbidity if they lead to the development of diastolic heart failure.
Assuntos
Hipersensibilidade/complicações , Hipersensibilidade/fisiopatologia , Doença Aguda , Adolescente , Adulto , Velocidade do Fluxo Sanguíneo/fisiologia , Ecocardiografia , Ecocardiografia Doppler , Feminino , Insuficiência Cardíaca/etiologia , Insuficiência Cardíaca/fisiopatologia , Humanos , Masculino , Pessoa de Meia-Idade , Adulto JovemRESUMO
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) has been considered as a benign disease often associated with central obesity and insulin resistance and, in general, with factors of the metabolic syndrome. Heart rate recovery after exercise is a function of vagal reactivation, and its impairment is an independent prognostic indicator for cardiovascular and all-cause mortality. The aim of our study was to evaluate the heart rate recovery index in patients with NAFLD. MATERIAL AND METHODS: The study population included 59 patients with NAFLD (mean age=42.3±9.3 years) and 22 healthy subjects as controls (mean age=40.7±6.5 years). Basal electrocardiography, echocardiography, and treadmill exercise testing were performed on all patients and controls. The heart rate recovery index was defined as the reduction in the heart rate from the rate at peak exercise to the rate at the 1st minute (HRR1), 2nd minute (HRR2), 3rd minute (HRR3), and 5th minute (HRR5) after stopping exercise stress testing. RESULTS: There were significant differences in HRR1 and HRR2 indices between patients with ED and the control group (19.9±8.2 vs. 34.1±9.6; p<0.001 and 24.3±5.4 vs. 40.5±9.1; p=0.006, respectively). Similarly, HRR indices after the 3rd and 5th minutes of the recovery period were significantly lower in patients with NAFLD compared with those indices in the control group (32.3±8.5 vs. 58.4±6.5; p=0.001 and 58±18.2 vs. 75.1±15.8; p<0.001). Effort capacity was markedly lower (11±1.9 vs. 12.5±1.5 METs; p=0.001) among the patients with NAFLD. CONCLUSIONS: The heart rate recovery index is deteriorated in patients with NAFLD. When the prognostic significance of the heart rate recovery index is considered, these results may help explain the increased occurrence of cardiac death. It points to the importance of the heart rate recovery index in the identification of high-risk patients.
Assuntos
Frequência Cardíaca/fisiologia , Hepatopatia Gordurosa não Alcoólica/fisiopatologia , Adulto , Estudos de Casos e Controles , Teste de Esforço , Feminino , Humanos , Masculino , Hepatopatia Gordurosa não Alcoólica/diagnóstico por imagem , UltrassonografiaRESUMO
OBJECTIVE: The purpose of this study was to evaluate the tenascin-C levels in severe rheumatic mitral stenosis before and after percutaneous mitral balloon valvuloplasty (PMBV). SUBJECTS AND METHODS: Forty patients with severe mitral stenosis requiring PMBV and 20 age-matched healthy subjects were included in the study. The mitral valve areas, mitral gradients and systolic pulmonary artery pressure (sPAP) were measured by echocardiography. The sPAP values and mitral gradients were also measured by catheterization before and after PMBV. The blood tenascin-C levels were measured before PMBV and 1 month after the procedure. RESULTS: The echocardiographic mean mitral gradients had a significant decrease after PMBV (11.7 ± 2.8 vs. 5.6 ± 1.7 mm Hg; p < 0.001) and also those of catheterization (13.9 ± 4.4 vs. 4.0 ± 2.4 mm Hg; p < 0.001). Mitral valve areas increased significantly after PMBV (from 1.1 ± 0.1 to 1.8 ± 0.2 cm(2), p < 0.001). Tenascin-C levels decreased significantly in patients after PMBV (from 15.0 ± 3.8 to 10.9 ± 3.1 ng/ml; p < 0.001). Tenascin-C levels were higher in patients with mitral stenosis before PMBV than in healthy subjects (15.0 ± 3.8 and 9.4 ± 2.9 ng/ml; p < 0.001, respectively). There were no significant differences between patients with mitral stenosis after PMBV and healthy subjects (10.9 ± 3.1 and 9.4 ± 2.9 ng/ml; p = 0.09, respectively). There was a significant positive correlation between tenascin-C levels and sPAP (r = 0.508, p < 0.001). In multivariant analysis, tenascin-C predicted mitral stenosis (p = 0.004, OR: 2.31). CONCLUSIONS: Tenascin-C was an independent predictor for rheumatic mitral stenosis.
Assuntos
Estenose da Valva Mitral/sangue , Estenose da Valva Mitral/cirurgia , Cardiopatia Reumática/sangue , Cardiopatia Reumática/cirurgia , Tenascina/sangue , Adulto , Fatores Etários , Valvuloplastia com Balão , Biomarcadores , Comorbidade , Ecocardiografia Doppler , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores SexuaisRESUMO
BACKGROUND: Sarcoidosis is an inflammatory granulomatous disease of unknown etiology that involves multiple organ systems. Many studies have shown a strong relationship between inflammation and atherosclerosis. The aim of this study is to investigate the relationship between elastic properties of the aorta and the duration of the disease in patients with sarcoidosis. METHOD: The study population included 52 patients with sarcoidosis (22 men, mean age = 42.7 ± 10.7 years, and mean disease duration = 38.8 ± 10.8 months) and 50 healthy control subjects (18 men, and mean age = 42.0 ± 8.0 years). Aortic stiffness (ß) index, aortic strain (AoS) and aortic distensibility (AoD) were calculated from the aortic diameters measured by transthoracic echocardiography and blood pressure obtained by sphygmomanometer. Cardiac functions were determined by using routine echocardiographic evaluation consist of standard two-dimensional and conventional Doppler and tissue Doppler imaging. RESULTS: The conventional echocardiographic parameters were similar between patients and controls. There were significant differences between the control and the patient groups in ß index (1.63 ± 0.55 vs 2.44 ± 1.54, p = 0.001), AoS (15.61 ± 5.69 vs 10.93 ± 4.11%, p < 0.001) and AoD (6.35 ± 2.64 vs 4.66 ± 1.98, 10 (-6) cm(2)/dyn, p = 0.001). There were statistically significant negative correlations between the disease duration and AoD (r = -0.46, p = 0.01) and AoS (r= -0.44, p = 0.002), whereas there was a positive correlation between the disease duration and ß index (r = 0.37, p = 0.01). In multivariate analysis, disease duration was significantly related with AoD, AoS and ß index (respectively, RR = 3.28, p = 0.002; RR = 3.03, p = 0.004; RR = 2.39, p = 0.02). CONCLUSION: We observed that elastic properties of the aorta alter in patients with sarcoidosis. We also have demonstrated a statistically significant correlation between aortic elastic properties and the disease duration.
Assuntos
Aorta/diagnóstico por imagem , Sarcoidose/diagnóstico por imagem , Sarcoidose/fisiopatologia , Rigidez Vascular/fisiologia , Adulto , Aorta/fisiopatologia , Ecocardiografia/métodos , Ecocardiografia Doppler/métodos , Elasticidade , Feminino , Humanos , MasculinoRESUMO
BACKGROUND: We aimed to determine the status of the autonomic nervous system in patients with autosomal-dominant polycystic kidney disease (ADPKD) who were normotensive and had normal renal function. METHODS: A total of 28 normotensive ADPKD patients with normal renal function and 30 healthy control subjects consented to participate in the study. Heart rate recovery (HRR) indices were defined as the reduction in heart rate from the rate at peak exercise to the rate at the 1st, 2nd, 3rd and 5th minutes after the cessation of the exercise stress test; these results were indicated HRR(1), HRR(2), HRR(3) and HRR(5), respectively. RESULTS: The 1st- and 2nd-minute HRR indices of patients with ADPKD were significantly lower than those of the healthy control group (27.1±7.9 vs 32.0±7.9; p=0.023 and 46.9±11.5 vs 53.0±9.0; p=0.029, respectively). Similarly, HRR indices after the 3rd and 5th minutes of the recovery period were significantly lower in patients with ADPKD when compared with indices in the control group (56.7±12.0 vs 65.1±11.2; p=0.008 and 62.5±13.8 vs 76.6±15.5; p =0.001, respectively). CONCLUSION: Impaired HRR index is associated with normotensive early-stage ADPKD patients. Increased renal ischemia and activation of the renin-angiotensin-aldosterone system (RAAS) may contribute to impairment in the autonomic nervous system in these patients before the development of hypertension. Even if ADPKD patients are normotensive, there appears to be an association with autonomic dysfunction and polycystic kidney disease.
Assuntos
Frequência Cardíaca/fisiologia , Rim Policístico Autossômico Dominante/fisiopatologia , Adulto , Sistema Nervoso Autônomo/fisiopatologia , Pressão Sanguínea/fisiologia , Estudos de Casos e Controles , Teste de Esforço , Feminino , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
OBJECTIVES: Multi-vessel coronary artery disease (MVCAD) has long been recognized as an important predictor of adverse outcomes in patients with chronic stable angina. The aim of this study is to investigate the relationship between hematologic parameters and impairment of left ventricular systolic functions in patients with stable MVCAD. STUDY DESIGN: Patients (n=202) with stable angina and MVCAD were included in this study. According to the left ventricle ejection fraction (LVEF) determined by echocardiography, patients were divided into two groups as the preserved group (LVEF >50%) and the impaired group (LVEF <50%). The preserved group consisted of 106 patients and the impaired group consisted of 96 patients. RESULTS: The frequency of diabetes mellitus was significantly higher in the impaired group compared to the preserved group (respectively, 50% vs. 33%, p=0.01). High sensitivity C-reactive protein (hs-CRP) levels and, neutrophil/lymphocyte ratio (N/L ratio) were significantly higher in the impaired group than in the preserved group (3.9±2.4 vs. 7.9±3.8, p<0.001; 2.7±0.7 vs. 3.9±1.2, p<0.001, respectively). There was a significant correlation between LVEF, N/L ratio and hs-CRP; hs-CRP and N/L ratio were positively correlated (r=0.584; p<0.001), and LVEF was negatively correlated with both hs-CRP and N/L ratio (r=-0.48, p<0.001 and r=-0.43, p<0.001, respectively). A N/L ratio >3.0 had 77% sensitivity and 68% specificity in predicting left ventricular dysfunction in patients with stable MVCAD. In multivariate analysis, N/L ratio (OR: 2.456, <95% Cl 2.056-4.166; p<0.001) was an independent predictor of left ventricular dysfunction in stable patients with MVCAD. CONCLUSION: N/L ratio and hs-CRP, which is inexpensive and easily measurable in the laboratory, is independently associated with impaired LV systolic functions in patients with stable MVCAD.
Assuntos
Angina Estável/complicações , Doença da Artéria Coronariana/fisiopatologia , Disfunção Ventricular Esquerda/etiologia , Idoso , Angina Estável/sangue , Angina Estável/fisiopatologia , Proteína C-Reativa/análise , Angiografia Coronária , Doença da Artéria Coronariana/sangue , Doença da Artéria Coronariana/complicações , Estudos Transversais , Complicações do Diabetes/epidemiologia , Ecocardiografia , Feminino , Humanos , Contagem de Leucócitos , Contagem de Linfócitos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Neutrófilos/citologia , Estudos Prospectivos , Sensibilidade e Especificidade , Volume Sistólico , Disfunção Ventricular Esquerda/fisiopatologiaRESUMO
OBJECTIVES: Although aortic stiffness (AS) is a strong predictor of cardiovascular events, its value is unknown in patients who have coronary stenosis and undergo percutaneous coronary intervention (PCI). Our hypothesis was that AS might provide additional information about coronary hemodynamic status. In this context, we investigated the effects of coronary stenosis and PCI on AS. STUDY DESIGN: The study included 107 patients undergoing coronary angiography. The patients were divided into three groups based on the angiographic results: 39 patients with significant lesions (≥50%) formed the 'critical group' and 38 patients with nonsignificant lesions (<50%) formed the 'noncritical group'. The control group (30 patients) had normal angiograms. Aortic stiffness was determined using the carotid-femoral aortic pulse wave velocity (PWV) method. All patients in the critical group underwent successful PCI and repeat PWV measurements. RESULTS: All baseline characteristics were similar in the three groups except for the mean PWV, which was significantly higher (9.4±2.2 m/sec) in the critical group compared to the control group (5.7±1.1 m/sec) and the noncritical group (5.8±1.1 m/sec) (p<0.0001). The latter two groups had similar PWV values (p=0.6). After PCI, the mean PWV decreased significantly by 24.4% to 7.1±2.0 m/sec (p=0.002); however, it was still significantly higher than that of the control group (p<0.0001). In correlation analysis, PWV showed significant correlations with age (r=0.412, p=0.01), systolic blood pressure (r=0.342, p<0.01), and hemoglobin (r=-0.370, p=0.02). Multiple logistic regression analysis showed that PWV was a predictor for significant stenosis [Exp(B) 3.960, 95% CI 2.014-7.786]. CONCLUSION: Our findings suggest that significant coronary stenosis is associated with significantly increased AS and successful PCI improves AS to some extent.
Assuntos
Estenose Coronária/fisiopatologia , Intervenção Coronária Percutânea , Rigidez Vascular , Idoso , Estudos de Casos e Controles , Angiografia Coronária , Estenose Coronária/terapia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise de Onda de PulsoRESUMO
AIMS: To determine the association of platelet indices with spontaneous echo contrast (SEC) in patients with mitral stenosis. METHODS AND RESULTS: A total of 232 consecutive patients with mitral stenosis who undergoing mitral balloon valvuloplasty were enrolled to the study. Patients were divided into two groups according to the formation of SEC in the left atrium. Group 1: mitral stenosis complicated with SEC; Group 2: mitral stenosis without SEC. Transthoracic echocardiography and transoesophageal echocardiography were performed for each patient. Complete blood counting parameters were measured and all routine biochemical tests were performed. There were 133 patients (mean age 42 ± 11 and 74% female) in the SEC(-) group and 99 patients (mean age 45 ± 10 and 64% female) in the SEC(+) group. Plateletcrit (0.25 ± 0.06 vs. 0.27 ± 0.07, P = 0.043) and mean platelet volume (MPV) levels (9.4 ± 1.1 vs. 10.4 ± 1.2, P < 0.001) were significantly higher in the SEC(+) group. When we divided the SEC(+) patients into four subgroups according to previously reported criteria, MPV levels increased to correlate with the degree of SEC (P < 0.001). At multivariate analysis, MPV levels [odds ratio (OR) 2.365, 95% confidence interval (CI) 1.720-3.251; P < 0.001] and PCT levels (OR 2.699, 95% CI 1.584-4.598; P= 0.033) are independent risk factors of SEC in patients with mitral stenosis. CONCLUSION: In patients with mitral stenosis, cheaply and easily measurable platelet indices including MPV and PCT levels are associated with the presence of SEC and are independent risk factors of SEC.
Assuntos
Plaquetas/metabolismo , Estenose da Valva Mitral/diagnóstico por imagem , Trombose/diagnóstico por imagem , Adulto , Contagem de Células Sanguíneas , Ecocardiografia , Ecocardiografia Transesofagiana , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estenose da Valva Mitral/sangue , Contagem de Plaquetas , Valor Preditivo dos Testes , Trombose/sangueRESUMO
Heart rate recovery after exercise is a function of vagal reactivation, and its impairment is an independent prognostic indicator for cardiovascular and all-cause mortality. The aim of our study was to evaluate heart rate recovery in patients with familial Mediterranean fever (FMF). The study population included 38 patients with FMF (14 men; mean age, 36.2 ± 12.1 years, and mean disease duration = 11.3 ± 6.5 years) and 35 healthy control subjects (12 men; mean age = 34.1 ± 9.9 years). Basal electrocardiography, echocardiography, and treadmill exercise testing were performed in all patients and control participants. The heart rate recovery index was defined as the reduction in the heart rate from the rate at peak exercise to the rate 1st-minute (HRR(1)), 2nd-minute (HRR(2)), 3rd-minute (HRR(3)), and 5th-minute (HRR(5)) after the cessation of exercise stress testing. There are significant differences in HRR(1) and HRR(2) indices between patients with FMF and control group (26.4 ± 7.4 vs. 35.0 ± 8.0; P = 0.001 and 47.3 ± 11.8 vs. 54.8 ± 10.3; P = 0.002, respectively). Similarly, HRR(3) and HRR(5) indices of the recovery period were lower in patients with FMF, when compared with indices in the control group (56.0 ± 14.0 vs. 63.7 ± 11.2; P = 0.01 and 64.1 ± 14.7 vs. 71.5 ± 12.7; P = 0.02, respectively). There were also remarkably positive correlations between the disease duration and HRR(1) (r = 0.31, P = 0.02), and HRR(2) (r = 0.26, P = 0.04). The heart rate recovery index impaired in patients with FMF compared to control subjects. When the prognostic significance of the heart rate recovery index is considered, a useful, simple, and noninvasive test may be clinically helpful in the recognition of high-risk patients with FMF.
Assuntos
Sistema Nervoso Autônomo/fisiopatologia , Febre Familiar do Mediterrâneo/fisiopatologia , Frequência Cardíaca/fisiologia , Adulto , Ecocardiografia , Eletrocardiografia , Teste de Esforço , Feminino , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
BACKGROUND: Significant numbers of asymptomatic hypertensive patients are attacked by subclinical target organ damage (TOD) such as proteinuria, left ventricular hypertrophy and carotid atherosclerosis. Platelets become activated in uncontrolled hypertension and play a crucial role in increased thrombotic tendency. Mean platelet volume (MPV) is one of the markers that correlate closely with platelet activity. We aimed to investigate the relationship between MPV levels and subclinical TOD in newly diagnosed hypertensive patients. METHODS: 80 newly diagnosed hypertensive patients were enrolled to this cross-sectional study. Ambulatory blood pressure monitoring was performed for all patients. Left ventricular mass index (LVMI), carotid intima-media thickness (IMT) and urine albumin/creatinine ratio (UACR) were measured as indices of cardiac, vascular and renal damage, respectively. MPV was measured from blood samples collected in EDTA tubes and high-sensitivity C reactive protein (hs-CRP) was measured by using nephlometer. RESULTS: MPV was significantly correlated with 24-h systolic-diastolic blood pressure (r = 0.52 and r = 0.55, respectively). Correlation analysis indicated that MPV was moderately related with UACR, LVMI, carotid IMT and hs-CRP (r = 0.50, r = 0.55, r = 0.60 and r = 0.69, respectively, p = 0.0001). Multivariable analysis identified that MPV levels were independently associated with severity of proteinuria, carotid IMT and LVMI (p = 0.001). CONCLUSION: Our findings suggested that MPV levels were associated with severity of subclinical TOD including; carotid atherosclerosis, left ventricular hypertrophy and renal damage, in hypertensive patients. In addition to this, MPV levels were significantly correlated with hs-CRP levels and 24-h ambulatory blood pressure measurements.
Assuntos
Albuminúria/etiologia , Hipertensão/fisiopatologia , Contagem de Plaquetas , Albuminúria/metabolismo , Proteína C-Reativa/metabolismo , Artérias Carótidas/diagnóstico por imagem , Doenças das Artérias Carótidas/etiologia , Creatinina/urina , Estudos Transversais , Ecocardiografia , Feminino , Ventrículos do Coração/patologia , Humanos , Hipertensão/sangue , Hipertensão/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Modelos Lineares , Masculino , Pessoa de Meia-Idade , Túnica Íntima/patologiaRESUMO
OBJECTIVES: Endothelial dysfunction is a well known risk factor for atherosclerosis. Uric acid levels are associated with endothelial dysfunction and atherosclerosis even if in physiological range. Xanthine oxidase inhibition with allopurinol decreases uric acid levels and oxidative stress and improves endothelial function. We have investigated the effect of high-dose and long-term allopurinol therapy on endothelial function in diabetic normotensive patients. METHODS: This study is a randomized, single-blind, placebo-controlled trial. Both treatment and placebo groups consisted of 50 patients. In the treatment group, daily oral 900 mg allopurinol was started after randomization and maintained for 12 weeks. Brachial artery flow-mediated dilatation (FMD) and nitrate-induced dilatation (NID) were measured at baseline and after the allopurinol therapy to evaluate endothelial function. RESULTS: HbA1c and uric acid levels decreased after allopurinol therapy (6.1 ± 2.1 vs 5.5 ± 1.0%, 5.0 ± 0.8 vs 3.3 ± 0.5 mg/dl, respectively, p = 0.01) but no change was observed in the placebo group (7.7 ± 1.9% vs 7.6 ± 2.0%, 5.3±2.1 vs 5.6 ± 0.8 mg/dl, respectively, p > 0.05). FMD and NID increased significantly in the treatment group (5.6 ± 2.1% vs 8.5 ± 1.2%, 10 ± 7.4% vs 14 ± 4.0%, 10 ± 7.4% vs 14 ± 4.0%, respectively, p = 0.01), whereas no change was observed in the placebo group (5.8 ± 1.8% vs 6.1 ± 0.8%, 12 ± 9.5 vs 10 ± 3.8%, respectively, p > 0.05). CONCLUSION: Long-term and high-dose allopurinol therapy significantly improved endothelial function in diabetic normotensive patients. In addition, allopurinol therapy contributes to the lower HbA1c levels.
Assuntos
Alopurinol/uso terapêutico , Artéria Braquial/efeitos dos fármacos , Diabetes Mellitus/tratamento farmacológico , Endotélio Vascular/efeitos dos fármacos , Inibidores Enzimáticos/uso terapêutico , Vasodilatação/efeitos dos fármacos , Xantina Oxidase/antagonistas & inibidores , Alopurinol/administração & dosagem , Velocidade do Fluxo Sanguíneo , Pressão Sanguínea/fisiologia , Diabetes Mellitus/sangue , Diabetes Mellitus/fisiopatologia , Esquema de Medicação , Endotélio Vascular/fisiopatologia , Inibidores Enzimáticos/administração & dosagem , Feminino , Hemoglobinas Glicadas/análise , Humanos , Masculino , Pessoa de Meia-Idade , Nitratos/farmacologia , Estresse Oxidativo/efeitos dos fármacos , Turquia , Ácido Úrico/sangue , Xantina Oxidase/metabolismoRESUMO
OBJECTIVES: Graft-versus-host disease (GVHD), which develops as a result of the immunologic response that donor T-lymphocytes generate against host tissue following hematopoietic stem cell transplantation (HSCT), is the leading cause of morbidity and mortality in these patients. The aim of this study is the investigate relation between aortic wall stiffness and duration of the disease in patients with chronic GVHD. METHODS: The study population included 32 patients (18 men; mean age, 36.9±12.5 years, and mean disease duration=14.7±2.9 months) who received HSCT and was diagnosed with GVHD and 44 patients (23 men; mean age, 35.2±9.6 years, and mean disease duration=13.5±2.4 months) who did not develop GVHD following HSCT. All patients underwent baseline echocardiography before HSCT and were followed. After approximately 10-14 months following HSCT, these patients were divided into two groups based on whether they had developed chronic GVHD, and were compared to aortic stiffness parameters and cardiac functions. RESULTS: There was no change in basal characteristics, laboratory and echocardiographic findings, and aortic stiffness parameters in both groups before HSCT (P>0.05). After HSCT, the mean aortic strain and distensibility values of the chronic GVHD patients were significantly lower, compared with the non-GVHD patients (9.8±3.2% vs. 12.9±5.0%, P=0.002 and 4.1±1.5×10(-6) cm2/dyn vs. 5.3±2.1×10(-6) cm2/dyn; P=0.005, respectively). In addition, aortic stiffness index was increased in the chronic GVHD group compared with non-GVHD group (2.7±1.7 vs. 2.0±0.8, P=0.03). CONCLUSION: Aortic stiffness measurements were significantly different in chronic GVHD group compared to non-GVHD group and these findings suggested useful explanation for the potential mechanism about the development of disease.
Assuntos
Ecocardiografia/métodos , Doença Enxerto-Hospedeiro/diagnóstico por imagem , Doença Enxerto-Hospedeiro/fisiopatologia , Rigidez Vascular , Adulto , Doença Crônica , Feminino , Transplante de Células-Tronco Hematopoéticas , Humanos , MasculinoRESUMO
OBJECTIVE: Psoriasis is a chronic inflammatory disease affecting approximately 1.5-3% of the general population. Several studies have demonstrated an association between psoriasis and atherosclerosis. The aim of this study is the investigate relation between aortic wall stiffness and duration and severity of the disease in patients with psoriasis. METHOD: The study population included 58 patients with psoriasis (27 men, mean age = 36.3 ± 10.6 years, and mean disease duration = 9.8 ± 6.7 years) and 36 healthy control subjects (17 men, and mean age = 40.0 ± 11.1 years). Aortic stiffness index, aortic strain and distensibility, were calculated from the aortic systolic and diastolic diameters measured by echocardiography and blood pressure obtained by sphygmomanometer. Cardiac functions were determined by using echocardiography, consisting of standard two-dimensional and conventional Doppler. RESULTS: The conventional echocardiographic parameters were similar between patients and controls. There were significant differences between the control and the patient groups in aortic stiffness index (2.7 ± 1.0 vs 2.0 ± 0.8, p = 0.001), aortic strain (10.3 ± 3.3% vs 14.2 ± 4.5%, p <0.001) and distensibility (4.2 ± 1.7 × 10(-6) cm(2)/dyn vs 5.8 ± 2.0 × 10(-6) cm(2)/dyn, p=0.001). There were significant negative correlations between the disease duration and distensibility (r = -0.54, p < 0.001), aortic strain (r=-0.41, p=0.001), aortic diameter change (r = -0.35, p = 0.007) and positive correlations between the disease duration and aortic stiffness index (r = 0.58, p < 0.001). Also heart rate and high-sensitive C reactive protein were significantly higher in psoriasis patients than in healthy controls (80.0 ± 11.8 beats/min vs 72.4 ± 8.8 beats/min, p = 0.001 and 9.7 ± 21.4 mg/l vs 3.7 ± 2.1 mg/l, p = 0.04, respectively). CONCLUSION: Aortic stiffness measurements were found abnormal in patients with psoriasis. We have also demonstrated that there were significant correlations between aortic stiffness parameters and disease duration. This study suggests that aortic stiffness measurement could be used for assessment of cardiovascular risk in psoriasis patients, and that only continuous long-term disease control may be helpful in reducing the cardiovascular risk associated with psoriasis.
Assuntos
Aorta/fisiopatologia , Psoríase/fisiopatologia , Adulto , Aorta/diagnóstico por imagem , Aorta/metabolismo , Pressão Sanguínea/fisiologia , Doenças Cardiovasculares/diagnóstico por imagem , Doenças Cardiovasculares/fisiopatologia , Estudos de Casos e Controles , Feminino , Humanos , Masculino , Psoríase/diagnóstico por imagem , UltrassonografiaRESUMO
The study aimed to investigate the intermediate-term effects of transcatheter atrial septal defect (ASD) closure on cardiac remodeling in children and adult patients. Between December 2003 and February 2009, 117 patients (48 males, 50 adults) underwent transcatheter ASD closure with the Amplatzer septal occluder (ASO). The mean age of the patients was 15 years, and the mean follow-up period was 25.9 +/- 12.4 months. New York Heart Association (NYHA) class, electrocardiographic parameters, and transthoracic echocardiographic (TTE) examination were evaluated before the ASD closure, then 1 day, 1 month, 6 months, 12 months, and yearly afterward. Transcatheter ASD closure was successfully performed for 112 (96%) of the 117 patients. The mean ASD diameter measured by transesophageal echocardiography (TEE) was 14.0 +/- 4.2 mm, and the mean diameter stretched with a sizing balloon was 16.6 +/- 4.8 mm. The mean size of the implanted device was 18.6 +/- 4.9 mm. The Qp/Qs ratio was 2.2 +/- 0.8. The mean systolic pulmonary artery pressure was 40 +/- 10 mmHg. At the end of the mean follow-up period of 2 years, the indexed right ventricular (RV) end-diastolic diameter had decreased from 36 +/- 5 to 30 +/- 5 mm/m(2) (p = 0.005), and the indexed left ventricular (LV) end-diastolic diameter had increased from 33 +/- 5 to 37 +/- 6 mm/m(2) (p = 0.001), resulting in an RV/LV ratio decreased from 1.1 +/- 0.2 to 0.8 +/- 0.2 (p = 0.001). The New York Heart Association (NYHA) functional capacity of the patients was improved significantly 24 months after ASD closure (1.9 +/- 0.5 to 1.3 +/- 0.5; p = 0.001). At the 2-year follow up electrocardiographic examination, the P maximum had decreased from 128 +/- 15 to 102 +/- 12 ms (p = 0.001), the P dispersion had decreased from 48 +/- 11 to 36 +/- 9 ms (p = 0.001), and the QT dispersion had decreased from 66 +/- 11 to 54 +/- 8 ms (p = 0.001). Five of six patients experienced resolution of their preclosure arrhythmias, whereas the remaining patient continued to have paroxysmal atrial fibrillation. A new arrhythmia (supraventricular tachycardia) developed in one patient and was well controlled medically. Transcatheter ASD closure leads to a significant improvement in clinical status and heart cavity dimensions in adults and children, as shown by intermediate-term follow-up evaluation. Transcatheter ASD closure can reverse electrical and mechanical changes in atrial myocardium, resulting in a subsequent reduction in P maximum and P dispersion times.
Assuntos
Cateterismo Cardíaco , Comunicação Interatrial/fisiopatologia , Comunicação Interatrial/terapia , Dispositivo para Oclusão Septal , Remodelação Ventricular/fisiologia , Adolescente , Adulto , Idoso , Volume Cardíaco/fisiologia , Criança , Pré-Escolar , Ecocardiografia , Ecocardiografia Transesofagiana , Feminino , Seguimentos , Comunicação Interatrial/diagnóstico por imagem , Hemodinâmica/fisiologia , Humanos , Masculino , Pessoa de Meia-Idade , Estudos ProspectivosRESUMO
Central venous catheterization which is frequently used for hemodynamic monitoring represents a high risk for catheter-related complications. Tricuspid valve dysfunction associated with central venous catheterization is very rare. A 22-year-old woman with acute renal failure was scheduled for hemodialysis. After completion of catheter placement, attempts to remove the guide wire failed. Radiographic examination was not helpful in showing the extension of the wire. Transthoracic echocardiography showed tricuspid valve motion upon the movement of the guide wire. Color Doppler imaging revealed mild to moderate tricuspid regurgitation. A right atriotomy was performed through a right anterolateral thoracotomy to remove the guide wire entrapped in the tricuspid chordae. Postoperative transthoracic echocardiography showed complete disappearance of tricuspid dysfunction.
Assuntos
Cateterismo Venoso Central/efeitos adversos , Ecocardiografia Transesofagiana/efeitos adversos , Insuficiência da Valva Tricúspide/diagnóstico por imagem , Valva Tricúspide/diagnóstico por imagem , Feminino , Átrios do Coração/cirurgia , Humanos , Radiografia , Valva Tricúspide/cirurgia , Insuficiência da Valva Tricúspide/etiologia , Adulto JovemRESUMO
OBJECTIVES: Data on adult congenital heart diseases (CHD) are limited in Turkey. We evaluated the types and clinical features of CHDs in adult patients followed-up in our center. STUDY DESIGN: This study included 200 adult patients (age >16 years) who were diagnosed as having CHD in our clinic between April 2006 and January 2009. The patients were evaluated in three groups based on the complexity of adult CHD (simple, moderate, or great) according to the most recent ACC/AHA guidelines. RESULTS: There were 121 females (60.5%) and 79 males (39.5%). The mean age was 34.7+/-13.4 years (range 16 to 75 years) and female-to-male ratio was 1.53. The mean age was 32.8+/-14.0 years in males, and 36.0+/-12.9 in females. Nearly half of the patients were in the age groups of 20-29 years (n=46, 23%) and 30-39 years (n=49, 24.5%). According to the ACC/AHA criteria, 145 patients (72.5%) had simple CHD, 34 patients (17%) had moderate CHD, and 21 patients (10.5%) had severe-complex CHD. The mean age tended to decrease as the severity of CHD increased (35.7+/-13.7, 33.2+/-12.4, and 30.5+/-12.2 years, respectively). The most common adult CHD was atrial septal defect (n=105, 52.5%), followed by ventricular septal defect (n=34, 17%), Ebstein's anomaly (n=7, 3.5%), and Eisenmenger's syndrome (n=6, 3%). Aortic coarctation, transposition of the great vessels, patent foramen ovale, pulmonary stenosis, and aortic valve disease showed equal distribution with five patients (2.5%). CONCLUSION: In our study, atrial and ventricular septal defects accounted for the majority of CHDs in adult patients (69.5%). Multicenter studies are required to determine the incidence of CHD among adult population in Turkey.
Assuntos
Cardiopatias Congênitas/diagnóstico , Adolescente , Adulto , Idade de Início , Idoso , Feminino , Cardiopatias Congênitas/epidemiologia , Cardiopatias Congênitas/fisiopatologia , Cardiopatias Congênitas/cirurgia , Comunicação Interatrial/cirurgia , Comunicação Interventricular/cirurgia , Humanos , Masculino , Pessoa de Meia-Idade , Índice de Gravidade de Doença , Turquia/epidemiologiaRESUMO
Growth Differentiation Factor-15 (GDF-15) is a strong predictor of decreased myocardial salvage and subsequent higher risk of death in patients with STEMI, but no information has been published regarding the association of GDF-15 levels with coronary blood flow in STEMI. We hypothesized that elevated GDF-15 levels would be associated with impaired flow and perfusion in the setting of STEMI treated with primary PCI. Eighty consecutive patients who were admitted with STEMI within 6 h from symptom onset were enrolled in the study. Patients were divided into two groups based upon the Thrombolysis in Myocardial Infarction (TIMI) flow grade. Group 1 was defined as TIMI Grade 0, 1 and 2 flows. Angiographic success was defined as TIMI 3 flow (group 2). GDF-15 and high sensitive CRP were measured. Major adverse cardiac events (MACE) were defined as stent thrombosis, nonfatal myocardial infarction and in-hospital mortality. There were 35 patients (mean age 64 ± 11.8 and 20% female) in group 1 and 45 patients (mean age 66.8 ± 11.5 and 29% female) in group 2. GDF-15 and hs-CRP levels were significantly higher in group 1 than in group 2 (1670 ± 831pg/mL vs 733 ± 124 pg/mL, p < 0.001; and 19.8 ± 10.6 vs 11.3 ± 4.9, p < 0.001). GDF-15 level ≥920 pg/mL measured on admission had a 94% sensitivity and 91% specificity in predicting no-reflow at ROC curve analysis. In-hospital MACE was also significantly higher in group 1 (28.6% vs. 2.2%, p: 0.001). Additionally, there was a significant correlation between hs-CRP and GDF-15 (r: 0.6030.56; p < 0.001). The GDF-15 level on admission is a strong and independent predictor of poor coronary blood flow following primary PCI and in hospital MACE among patients with STEMI. Except for predictive value, GDF-15 levels may be a useful biomarker for the stratification of risk in patients with STEMI, and may carry further therapeutic implications.
RESUMO
Patients with prosthetic mechanical heart valves should always be on prophylactic anticoagulation therapy for thromboembolic events. As pregnancy represents a high-risk period for thrombosis, those with mechanical heart valves should be accorded greater importance. We presented two pregnant patients with prosthetic mechanical mitral valves, who developed mechanical valve thrombosis while on fractionated and unfractionated heparin treatment, respectively. One patient received intensive anticoagulation treatment, and the other underwent redo valve replacement. Both patients were free of symptoms.