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1.
Arq. bras. cardiol ; 117(2): 423-423, ago. 2021.
Artigo em Português | LILACS | ID: biblio-1339165
3.
Arq Bras Cardiol ; 112(5): 649-705, 2019 06 06.
Artigo em Inglês, Português | MEDLINE | ID: mdl-31188969
4.
Arq. bras. cardiol ; 112(5): 649-705, May 2019. graf, tab
Artigo em Inglês, Português | Sec. Est. Saúde SP, SESSP-IDPCPROD, Sec. Est. Saúde SP | ID: biblio-1022925

RESUMO

Development: The Department of Geriatric Cardiology of the Brazilian Society of Cardiology (Departamento de Cardiogeriatria da Sociedade Brasileira da Cardiologia) and the Brazilian Geriatrics and Gerontology Society (Sociedade Brasileira de Geriatria e Gerontologia). (AU)


Assuntos
Humanos , Masculino , Feminino , Idoso , Idoso de 80 Anos ou mais , Sociedades Médicas , Doenças Cardiovasculares/diagnóstico , Doenças Cardiovasculares/etiologia , Doenças Cardiovasculares/terapia , Geriatria , Serviços de Saúde para Idosos , Brasil , Fatores de Risco , Causas de Morte , Guias como Assunto , Pessoa de Meia-Idade
5.
In. Avezum, Alvaro; Pinto, Ibraim Masciarelli Francisco; Ferreira, João Fernando Monteiro; Izar, Maria Cristina de Oliveira. SOCESP - Cardiologia: atualização e reciclagem. São Paulo, Atheneu, 2017. p.369-373.
Monografia em Português | Sec. Est. Saúde SP, SESSP-IDPCPROD, Sec. Est. Saúde SP | ID: biblio-1084995
6.
Einstein (Säo Paulo) ; 10(4): 498-501, Oct.-Dec. 2012. ilus, tab
Artigo em Inglês | LILACS | ID: lil-662483

RESUMO

Patients diagnosed with multiple myeloma are more susceptible to infections which are the major causes of morbidity and mortality associated to this disease. The main infectious agents involved are Gram-positive bacteria. However, after chemotherapy an increase in the incidence of Gram-negative strains is observed. These bacteria are also responsible for most cases of urinary tract infections. Here is reported a rare case in a 73-year-old man with multiple myeloma who developed endocarditis due to pseudomonas.


Pacientes diagnosticados com mieloma múltiplo são mais suscetíveis a infecções, que é a principal causa de morbidade e mortalidade associadas a essa doença. Os principais agentes infecciosos envolvidos são as bactérias Gram-positivas, mas, após a quimioterapia, pode haver aumento na incidência de Gram-negativos, que são responsáveis, na maioria dos casos, por infecções do trato urinário. Assim, descrevese um raro caso de um paciente de 73 anos de idade, com mieloma múltiplo diagnosticado com endocardite por pseudomonas.


Assuntos
Idoso , Humanos , Masculino , Endocardite Bacteriana/microbiologia , Valva Mitral/microbiologia , Mieloma Múltiplo/complicações , Infecções por Pseudomonas/complicações , Espectroscopia de Ressonância Magnética
7.
J Geriatr Cardiol ; 9(2): 108-14, 2012 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-22916055

RESUMO

Acute coronary syndromes (ACS) are the leading causes of death in the elderly. The suspicion and diagnosis of ACS in this age group is more difficult, since typical angina is less frequent. The morbidity and mortality is greater in older age patients presenting ACS. Despite the higher prevalence and greater risk, elderly patients are underrepresented in major clinical trials from which evidence based recommendations are formulated. The authors describe, in this article, the challenges in the diagnosis and management of ST elevation myocardial infarction in the elderly, and discuss the available evidence.

8.
Clinics (Sao Paulo) ; 67(4): 305-11, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22522754

RESUMO

OBJECTIVES: Though elderly persons with chronic atrial fibrillation have more comorbidities that could limit indications for the chronic use of anticoagulants, few studies have focused on the risk of falls within this particular group. To evaluate the predictors of the risk of falls among elderly with chronic atrial fibrillation, a cross-sectional, observational study was performed. METHODS: From 295 consecutive patients aged 60 years or older with a history of atrial fibrillation who were enrolled within the last 2 years in the cardiogeriatrics outpatient clinic of the Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, 107 took part in this study. Their age was 77.9±6.4 years, and 62 were female. They were divided into two groups: a) no history of falls in the previous year and b) a history of one or more falls in the previous year. Data regarding the history of falls and social, demographic, anthropometric, and clinical information were collected. Multidimensional assessment instruments and questionnaires were applied. RESULTS: At least one fall was reported in 55 patients (51.4%). Among them, 27 (49.1%) presented recurrent falls, with body lesions in 90.4% and fractures in 9.1% of the cases. Multivariate logistic regression showed that self-reported difficulty maintaining balance, use of amiodarone, and diabetes were independent variables associated with the risk of falls, with a sensitivity of 92.9% and a specificity of 44.9%. CONCLUSION: In a group of elderly patients with chronic atrial fibrillation who were relatively independent and able to attend an outpatient clinic, the occurrence of falls with recurrence and clinical consequences was high. Difficulty maintaining balance, the use of amiodarone and a diagnosis of diabetes mellitus were independent predictors of the risk for falls. Thus, simple clinical data predicted falls better than objective functional tests.


Assuntos
Acidentes por Quedas/estatística & dados numéricos , Anticoagulantes/uso terapêutico , Fibrilação Atrial/complicações , Acidente Vascular Cerebral/prevenção & controle , Idoso , Anticoagulantes/efeitos adversos , Doença Crônica , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva , Medição de Risco , Fatores de Risco
9.
Einstein (Sao Paulo) ; 10(4): 498-501, 2012.
Artigo em Inglês, Português | MEDLINE | ID: mdl-23386092

RESUMO

Patients diagnosed with multiple myeloma are more susceptible to infections which are the major causes of morbidity and mortality associated to this disease. The main infectious agents involved are Gram-positive bacteria. However, after chemotherapy an increase in the incidence of Gram-negative strains is observed. These bacteria are also responsible for most cases of urinary tract infections. Here is reported a rare case in a 73-year-old man with multiple myeloma who developed endocarditis due to pseudomonas.


Assuntos
Endocardite Bacteriana/microbiologia , Valva Mitral/microbiologia , Mieloma Múltiplo/complicações , Infecções por Pseudomonas/complicações , Idoso , Humanos , Espectroscopia de Ressonância Magnética , Masculino
10.
Clinics ; 67(4): 305-311, 2012. ilus, tab
Artigo em Inglês | LILACS | ID: lil-623108

RESUMO

OBJECTIVES: Though elderly persons with chronic atrial fibrillation have more comorbidities that could limit indications for the chronic use of anticoagulants, few studies have focused on the risk of falls within this particular group. To evaluate the predictors of the risk of falls among elderly with chronic atrial fibrillation, a cross-sectional, observational study was performed. METHODS: From 295 consecutive patients aged 60 years or older with a history of atrial fibrillation who were enrolled within the last 2 years in the cardiogeriatrics outpatient clinic of the Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, 107 took part in this study. Their age was 77.9±6.4 years, and 62 were female. They were divided into two groups: a) no history of falls in the previous year and b) a history of one or more falls in the previous year. Data regarding the history of falls and social, demographic, anthropometric, and clinical information were collected. Multidimensional assessment instruments and questionnaires were applied. RESULTS: At least one fall was reported in 55 patients (51.4%). Among them, 27 (49.1%) presented recurrent falls, with body lesions in 90.4% and fractures in 9.1% of the cases. Multivariate logistic regression showed that selfreported difficulty maintaining balance, use of amiodarone, and diabetes were independent variables associated with the risk of falls, with a sensitivity of 92.9% and a specificity of 44.9%. CONCLUSION: In a group of elderly patients with chronic atrial fibrillation who were relatively independent and able to attend an outpatient clinic, the occurrence of falls with recurrence and clinical consequences was high. Difficulty maintaining balance, the use of amiodarone and a diagnosis of diabetes mellitus were independent predictors of the risk for falls. Thus, simple clinical data predicted falls better than objective functional tests.


Assuntos
Idoso , Feminino , Humanos , Pessoa de Meia-Idade , Acidentes por Quedas/estatística & dados numéricos , Anticoagulantes/uso terapêutico , Fibrilação Atrial/complicações , Acidente Vascular Cerebral/prevenção & controle , Anticoagulantes/efeitos adversos , Doença Crônica , Estudos Transversais , Recidiva , Medição de Risco , Fatores de Risco
11.
Am J Physiol Heart Circ Physiol ; 300(5): H1914-22, 2011 May.
Artigo em Inglês | MEDLINE | ID: mdl-21378146

RESUMO

The coupling between arterial elastance (E(A); net afterload) and left ventricular elastance (E(LV); pump performance), known as E(A)/E(LV), is a key determinant of cardiovascular performance and shifts during exercise due to a greater increase in E(LV) versus E(A). This normal exercise-induced reduction in E(A)/E(LV) decreases with advancing age. We hypothesized that sodium nitroprusside (SNP) can acutely ameliorate the age-associated deficits in E(A)/E(LV). At rest and during graded exercise to exhaustion, E(A) was characterized as end-systolic pressure/stroke volume and E(LV) as end-systolic pressure/end-systolic volume. Resting E(A)/E(LV) did not differ between old (70 ± 8 yr, n = 15) and young (30 ± 5 yr, n = 17) subjects because of a tandem increase in E(A) and E(LV) in older subjects. During peak exercise, a blunted increase in E(LV) in old (7.8 ± 3.1 mmHg/ml) versus young (11.4 ± 6.5 mmHg/ml) subjects blunted the normal exercise-induced decline in E(A)/E(LV) in old (0.25 ± 0.11) versus young (0.16 ± 0.05) subjects. SNP administration to older subjects lowered resting E(A)/E(LV) by 31% via a reduction in E(A) (10%) and an increase in E(LV) (47%) and lowered peak exercise E(A)/E(LV) (36%) via an increase in E(LV) (68%) without a change in E(A). Importantly, SNP attenuated the age-associated deficits in E(A)/E(LV) and E(LV) during exercise, and at peak exercise E(A)/E(LV) in older subjects on drug administration did not differ from young subjects without drug administration. In conclusion, some age-associated deficiencies in E(A)/E(LV), E(A), and E(LV), in older subjects can be acutely abolished by SNP infusion. This is relevant to common conditions in older subjects associated with a significant impairment of exercise performance such as frailty or heart failure with preserved ejection fraction.


Assuntos
Vasos Coronários/fisiologia , Elasticidade/fisiologia , Acoplamento Excitação-Contração/efeitos dos fármacos , Acoplamento Excitação-Contração/fisiologia , Coração/fisiologia , Nitroprussiato/farmacologia , Função Ventricular Esquerda/fisiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Envelhecimento/fisiologia , Pressão Sanguínea/fisiologia , Eletrocardiografia , Exercício Físico/fisiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Descanso/fisiologia , Volume Sistólico/fisiologia , Vasodilatadores/farmacologia
14.
Psychosomatics ; 48(4): 319-24, 2007.
Artigo em Inglês | MEDLINE | ID: mdl-17600168

RESUMO

The authors evaluated levels of inflammatory markers in 34 chronic heart failure (CHF) out-patients age 65 years and over, with (N=18) and without (N=16) major depressive disorder (MDD), and healthy-control subjects (N=13). Patients with CHF had left-ventricular ejection fractions <0.40 and were in the New York Heart Association functional class II or III. The authors used the SCID DSM-IV to diagnosis MDD. High-sensitivity C-reactive protein levels were significantly higher in patients with CHF and MDD as compared with healthy-control subjects. No differences regarding tumor necrosis factor(alpha) or interleukin(6) were found among the three groups.


Assuntos
Proteína C-Reativa/metabolismo , Transtorno Depressivo Maior/sangue , Transtorno Depressivo Maior/epidemiologia , Insuficiência Cardíaca/sangue , Insuficiência Cardíaca/epidemiologia , Interleucina-6/sangue , Fator de Necrose Tumoral alfa/sangue , Idoso , Biomarcadores , Transtorno Depressivo Maior/diagnóstico , Manual Diagnóstico e Estatístico de Transtornos Mentais , Feminino , Humanos , Masculino , Prevalência
15.
EuroIntervention ; 2(4): 452-8, 2007 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-19755284

RESUMO

AIMS: To identify features predictive of hospital coronary artery bypass graft (CABG) surgery in patients with acute coronary syndromes (ACSs). METHODS AND RESULTS: Data from 17,434 patients enrolled in an observational study were analysed. Patients in private hospitals were more likely to undergo CABG than those in public hospitals (10.3% vs. 6.9%, P<0.01); CABG was more frequent in the USA than in Europe (11.9 % vs 3.5%, P<0.01). Clinical features independently predictive of CABG on multivariable analysis included no previous CABG, male sex, history of angina, hypertension, hyperlipidaemia, or diabetes, no history of atrial fibrillation or congestive heart failure, ST depression in multiple territories, and absence of ST elevation. These factors were assigned a score to quantify the likelihood of CABG (c-statistic 0.69). This score was predictive regardless of ACS subgroup (c-statistic 0.65-0.71) and remained predictive across institutions regardless of the frequency with which CABG was performed. The score was of greatest clinical utility among hospitals performing CABG in >10% of their ACS patients. CONCLUSIONS: Identifying ACS patients likely to undergo CABG using clinical features alone remains difficult. In hospitals with higher rates of surgical revascularisation, a subgroup of patients with an approximate 30% likelihood of CABG can be identified. Therapy in these patients can be tailored to minimise bleeding risk without compromising outcomes.

16.
Int J Cardiol ; 114(2): 224-9, 2007 Jan 08.
Artigo em Inglês | MEDLINE | ID: mdl-16784787

RESUMO

BACKGROUND: Metabolic syndrome and abdominal obesity are risk factors for cardiovascular diseases in middle age women but, not completely understood in older people. In this study we analyzed the association between metabolic syndrome and abdominal obesity and the occurrence of cardiovascular events in these elderly women. METHODS: A prospective follow-up study included 516 consecutive women aged 60-84 years who sought medical care at a geriatric outpatient facility. The presence of metabolic syndrome and higher quartiles of waist circumference and waist-to-hip ratio were analyzed as predictive variables, and were adjusted for age, smoking, and previous cardiovascular diseases. The outcomes were the occurrence of stroke, myocardial infarction, evidence of coronary artery disease, or cardiovascular death. RESULTS: During a mean follow-up of 6.6 years, 94 (18.2%) cardiovascular events were observed (48 fatal and 46 non-fatal). Metabolic syndrome was diagnosed in 206 women (39.9%). After adjustments for confounding variables, metabolic syndrome and waist-to-hip ratio above the 75th percentile (>0.98) were predictors of the outcomes, but greater waist circumference (>96 cm) was not. Adjusted hazard ratios for these variables were: metabolic syndrome, 1.66, 95% CI -1.11 to 2.47, p=0.01; waist-to-hip ratio, 1.72, 95% CI -1.05 to 2.82; p=0.03 and waist circumference, 1.37, 95% CI -0.91 to 2.07, p=0.12. CONCLUSION: Metabolic syndrome and high waist-to-hip ratio were associated with increased risk of cardiovascular events in the studied sample.


Assuntos
Doenças Cardiovasculares/etiologia , Síndrome Metabólica/complicações , Obesidade/complicações , Abdome , Idoso , Idoso de 80 Anos ou mais , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Fatores Sexuais
17.
Metabolism ; 55(7): 953-9, 2006 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-16784970

RESUMO

The effects of isolated estrogen therapy on the hemostatic system and arterial distensibility were determined in postmenopausal females with type 2 diabetes mellitus. This was a prospective nonrandomized study of 19 subjects (age, 56.2 +/- 4.7 years; body mass index, 27.8 +/- 2.4 kg/m(2) [mean +/- SD]). Inclusion was done after 2 months of glycemic and blood pressure control. The study consisted of 4 months of placebo treatment immediately followed by an equal period of oral conjugated equine estrogens (CEE) 0.625 mg/d. Measures included anthropometrics, a metabolic profile (oral glucose tolerance test and fasting glycated hemoglobin, total cholesterol and fractions, and triglyceride levels), and coagulation and fibrinolytic factors at the end of the placebo period and after 4 months of oral CEE. Conjugated equine estrogen therapy decreased plasminogen activator inhibitor 1 (placebo x CEE: 16.33 +/- 9.11 x 13.08 +/- 8.87 UI/mL, P < .03) and increased factor VIII activity (134.11% +/- 46.18% x 145.33% +/- 42.04%, P < .04). An increase in high-density lipoprotein cholesterol levels (placebo x CEE: 42.47 +/- 6.80 x 53.32 +/- 11.89 mg/dL, P < .01), and a decrease in glycated hemoglobin (8.45% +/- 1.30% vs 7.58% +/- 1.06%, P < .02) and in fasting glucose levels (121.51 +/- 21.05 x 111.21 +/- 20.74 mg/dL, P = .02) followed CEE therapy. Pulse wave velocity and augmentation index were performed by applanation tonometry and were obtained at the end of the placebo period (placebo), again after an intravenous load of 1.25 mg of CEE (short-term), and after 4 months of oral CEE (long-term). A significant decrease in central (carotid-femoral) pulse wave velocity was seen both after short- and long-term CEE (placebo vs short-term vs long-term: 9.36 +/- 2.58 vs 8.26 +/- 2.20 vs 7.98 +/- 1.90 m/s, respectively [analysis of variance, P < .03]; placebo vs short-term, P < .05; placebo vs long-term, P < .01), whereas augmentation index decreased only after long-term CEE (placebo vs short-term vs long-term: 39.14% +/- 6.94% vs 37.48% +/- 8.67% vs 34.3.3% +/- 8.11% [analysis of variance, P < .05], respectively; placebo vs long-term, P < .05). Long-term administration of CEE leads to an improvement in fibrinolysis and arterial distensibility, associated with an increase of the intrinsic coagulation pathway in postmenopausal women with type 2 diabetes mellitus.


Assuntos
Artérias/efeitos dos fármacos , Diabetes Mellitus Tipo 2/metabolismo , Estrogênios Conjugados (USP)/farmacologia , Fibrinólise/efeitos dos fármacos , Pós-Menopausa/metabolismo , Artérias/fisiopatologia , Colesterol/sangue , Fator VIII/análise , Teste de Tolerância a Glucose , Humanos , Pessoa de Meia-Idade , Inibidor 1 de Ativador de Plasminogênio/sangue
18.
Arq Bras Cardiol ; 86(5): 346-52, 2006 May.
Artigo em Português | MEDLINE | ID: mdl-16751938

RESUMO

OBJECTIVE: To study the prognostic value of exercise stress test variables in elderly patients with coronary atherosclerosis and exercise-induced ischemia. METHODS: Sixty-four elderly patients (61 men, 73 +/- 5 years old) with coronary atherosclerosis, verified by cardiac catheterization, that were clinically stable, had a left ventricle ejection fraction greater than or equal to 0.40 and developed myocardial ischemia during the exercise stress test were studied. The patients were evaluated every six months for cardiac events (death, myocardial infarction, unstable angina, angioplasty and myocardial revascularization). RESULTS: After a mean follow-up period of 48 months, 23 (36%) patients suffered cardiac events. There was no clinical or angiographical differences among the patients that suffered cardiac events and those that did not. Using multivariate analysis, the presence of chest pain during the exercise stress test (relative risk 2.668, p = 0.031) and the heart rate at the onset of ischemia (relative risk 0.966, p = 0.009) were associated with cardiac events. CONCLUSION: In this elderly population, the presence of chest pain during the exercise stress test and the heart rate at the onset of ischemia were associated with cardiac events. These variables could be useful for risk evaluation in patients with stable coronary atherosclerosis.


Assuntos
Doença da Artéria Coronariana/fisiopatologia , Teste de Esforço , Isquemia Miocárdica/diagnóstico , Idoso , Angina Instável/diagnóstico , Angina Instável/fisiopatologia , Dor no Peito/diagnóstico , Dor no Peito/etiologia , Dor no Peito/fisiopatologia , Seguimentos , Frequência Cardíaca/fisiologia , Humanos , Masculino , Análise Multivariada , Isquemia Miocárdica/etiologia , Isquemia Miocárdica/fisiopatologia , Revascularização Miocárdica , Prognóstico , Fatores de Risco , Disfunção Ventricular Esquerda/diagnóstico , Disfunção Ventricular Esquerda/fisiopatologia
19.
Arq. bras. cardiol ; 86(5): 346-352, maio 2006. tab
Artigo em Português | LILACS | ID: lil-428255

RESUMO

OBJETIVO: Estudar o valor prognóstico das variáveis do teste ergométrico em pacientes idosos com doença aterosclerótica coronariana e isquemia induzida pelo esforço. MÉTODOS: Foram estudados 64 pacientes idosos (61 homens, idade de 73 ± 5 anos) com doença aterosclerótica coronariana, comprovada por coronariografia, clinicamente estável, fração de ejeção de ventrículo esquerdo maior ou igual a 0,40 e isquemia miocárdica durante o teste ergométrico. A cada seis meses, os pacientes foram avaliados para eventos cardíacos (morte, infarto do miocárdio, angina instável, angioplastia e revascularização do miocárdio). RESULTADOS: Após seguimento médio de 48 meses, 23 (36 por cento) pacientes sofreram eventos cardíacos. Não houve diferença clínica e angiográfica entre os pacientes que sofreram o evento e os que não o sofreram. Pela análise multivariada, a presença de dor precordial durante o teste ergométrico (risco relativo de 2,668 e p = 0,031) e a freqüência cardíaca no início da isquemia (risco relativo de 0,966 e p = 0,009) foram associadas a eventos cardíacos. CONCLUSÃO: Nessa população idosa, a presença de dor precordial durante o teste ergométrico e a freqüência cardíaca no início da isquemia foram associadas a eventos cardíacos. Essas variáveis podem ser úteis para avaliação do risco de pacientes com doença aterosclerótica coronariana estável.


Assuntos
Humanos , Masculino , Idoso , Doença da Artéria Coronariana/fisiopatologia , Teste de Esforço/efeitos adversos , Isquemia Miocárdica/diagnóstico , Angina Instável/diagnóstico , Angina Instável/psicologia , Dor no Peito/diagnóstico , Dor no Peito/etiologia , Dor no Peito/fisiopatologia , Seguimentos , Frequência Cardíaca/fisiologia , Análise Multivariada , Revascularização Miocárdica , Isquemia Miocárdica/etiologia , Isquemia Miocárdica/fisiopatologia , Prognóstico , Fatores de Risco , Disfunção Ventricular Esquerda/diagnóstico , Disfunção Ventricular Esquerda/fisiopatologia
20.
Int J Cardiol ; 108(1): 43-7, 2006 Mar 22.
Artigo em Inglês | MEDLINE | ID: mdl-15925417

RESUMO

BACKGROUND: The process of aortic degeneration associated with calcified aortic stenosis shares many similarities with coronary artery atherosclerosis. Inflammation and infection are involved in both diseases. Chlamydia pneumoniae has been identified in atherosclerotic plaques. However, the studies about the presence of C. pneumoniae in degenerative aortic stenotic valves are not conclusive. OBJECTIVE: We investigated whether an association exists between the density of C. pneumoniae and fibrosis or calcification in aortic stenosis. DESIGN: Autopsy and surgical specimens were divided into 3 groups: Normal, 11 normal autopsy valves Atherosclerosis, 10 autopsy valves from patients with systemic atherosclerosis and no aortic stenosis and Aortic stenosis, 14 surgical specimens of aortic valves replaced due to aortic stenosis. SETTING: Heart Institute (InCor), University of São Paulo Medical School. PATIENTS: Aortic valves from patients aged 52+/-16 years, 69+/-9 years, and 71+/-8 years. INTERVENTION: Specimens were evaluated by immunohistochemical technique (to detect C. pneumoniae antigens), in situ hybridization, and electron microscopy (to quantify the density of C. pneumoniae in the valves). MEASUREMENTS: The aortic stenosis group was analyzed according to 3 subregions: aortic stenosis-preserved, peripheral preserved regions; aortic stenosis-fibrosis, peri-calcified fibrotic tissue; and aortic stenosis-calcification, calcified nodules. RESULTS: The median values of C. pneumoniae antigens were 0.09, 0.30, 0.18, 1.33, and 3.3 in groups Normal, Atherosclerosis, Aortic stenosis-preserved, Aortic stenosis-fibrosis, and Aortic stenosis-calcification, respectively. The amount of C. pneumoniae was greater in the Atherosclerosis and Aortic stenosis-calcification groups than in the Normal group (P<0.05). C. pneumoniae was greater in the Aortic stenosis group in the calcified and fibrotic regions than in preserved region (P<0.05). CONCLUSION: An association was found between the higher density of C. pneumoniae and fibrosis/calcification in stenotic aortic valves.


Assuntos
Estenose da Valva Aórtica/microbiologia , Calcinose/microbiologia , Infecções por Chlamydia/complicações , Chlamydophila pneumoniae/isolamento & purificação , Adulto , Idoso , Estenose da Valva Aórtica/patologia , Aterosclerose/microbiologia , Cadáver , Calcinose/patologia , Infecções por Chlamydia/patologia , Chlamydophila pneumoniae/imunologia , Humanos , Imuno-Histoquímica , Hibridização In Situ , Microscopia Eletrônica , Pessoa de Meia-Idade
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