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1.
An Bras Dermatol ; 94(4): 473-475, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31644625

RESUMO

Atrophoderma of Pasini and Pierini is a skin disorder affecting dermal collagen and is clinically characterized by well-defined plaques of depressed skin. Histopathological changes are subtle, and in most cases, the diagnosis requires a comparative study with healthy skin from the same anatomical site. High frequency ultrasound is a useful imaging method for diagnosis of atrophic skin changes. A case is presented in which ultrasound can support the clinical and the histopathological diagnosis of atrophoderma of Pasini and Pierini.


Assuntos
Derme/diagnóstico por imagem , Derme/patologia , Dermatopatias/diagnóstico por imagem , Dermatopatias/patologia , Ultrassonografia Doppler em Cores/métodos , Adulto , Atrofia/diagnóstico por imagem , Atrofia/patologia , Biópsia , Diagnóstico Precoce , Feminino , Humanos
2.
J Endod ; 45(12): 1479-1488, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31630784

RESUMO

INTRODUCTION: This retrospective cross-sectional study investigated the applicability of the periapical and endodontic status scale (PESS) to determine the association of endodontically treated teeth with maxillary sinus (MS) abnormalities through cone-beam computed tomographic imaging. METHODS: A total of 631 endodontically treated teeth were analyzed. MS abnormalities were classified as mucosal thickening, sinus polyp, antral pseudocyst, nonspecific opacification, periostitis, and antral calcification. The PESS was used to evaluate the quality of endodontic treatment as well as periapical tissue conditions. The data were analyzed by chi-square tests (P < .05). RESULTS: MS abnormalities were detected in 70.52% of the sample, with a greater prevalence of mucosal thickening (38.19%), whereas periapical lesions were observed in 55.94% of the cases. Treated root canals with unsatisfactory filling, homogeneity, and coronal sealing had an odds Ratio (OR) of 2.21, 2.88, and 2.99, respectively (P < .001). Periapical lesions larger than 5 mm (OR = 314.95), in more than 1 root (OR = 3.72), involving the furcation region (OR = 5.21), in contact with important structures (OR = 7.37), and with cortical bone destruction (OR = 4.09) were significantly related to the presence of MS abnormalities (P < .001). An OR of 99,668 was observed in periostitis lesions greater than 5 mm (P < .001). CONCLUSIONS: The PESS proved to be an important tool for the analysis of endodontic and periapical conditions and was applicable to determine potential associations with MS abnormalities.

3.
An. bras. dermatol ; 94(4): 473-475, July-Aug. 2019. graf
Artigo em Inglês | LILACS-Express | ID: biblio-1038301

RESUMO

Abstract: Atrophoderma of Pasini and Pierini is a skin disorder affecting dermal collagen and is clinically characterized by well-defined plaques of depressed skin. Histopathological changes are subtle, and in most cases, the diagnosis requires a comparative study with healthy skin from the same anatomical site. High frequency ultrasound is a useful imaging method for diagnosis of atrophic skin changes. A case is presented in which ultrasound can support the clinical and the histopathological diagnosis of atrophoderma of Pasini and Pierini.

4.
Cells ; 8(7)2019 07 11.
Artigo em Inglês | MEDLINE | ID: mdl-31336746

RESUMO

Omics approaches have significantly impacted knowledge about molecular signaling pathways driving cell function. Induced pluripotent stem cells (iPSC) have revolutionized the field of biological sciences and proteomics and, in particular, has been instrumental in identifying key elements operating during the maintenance of the pluripotent state and the differentiation process to the diverse cell types that form organisms. This review covers the evolution of conceptual and methodological strategies in proteomics; briefly describes the generation of iPSC from a historical perspective, the state-of-the-art of iPSC-based proteomics; and compares data on the proteome and transcriptome of iPSC to that of embryonic stem cells (ESC). Finally, proteomics of healthy and diseased cells and organoids differentiated from iPSC are analyzed.

5.
Eur J Intern Med ; 67: 36-41, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31320151

RESUMO

BACKGROUND: Worldwide atrial fibrillation (AF) prevalence varies between 0.1% and 4.0%, and has been increasing. Little is known about the prevalence of AF in Brazil. Our objective was to estimate the prevalence of AF in several regions of Brazil using recordings of long-distance electrocardiogram (ECG) transmission. METHODS: Patients from 125 outpatient general practitioner units covered by the telemedicine service of the Federal University of São Paulo were included. Only one ECG was considered per patient. A scripted telephone interview was also performed. We analyzed the data to project the prevalence of AF in the Brazilian population and estimate it for the year 2025. The overall AF prevalence was calculated based on ECGs from primary care units where patients went for routine visits. RESULTS: Based on 676,621 ECG exams from January 2009 through April 2016, the mean age (±SD) of patients was 51.38 (±19.05) years, with 57.5% being female. The 7-year period prevalence of AF was 2.2% (n = 14,968). The prevalence of AF countrywide was projected to be 1.5% in 2016 and 1.7% in 2025. In the subset of patients with AF who were interviewed (n = 301), 91 (30.2%) were not receiving any type of treatment for rate or rhythm control. Among patients interviewed, 189 (62.8%) were at high risk for stroke; only 28 (14.8%) were regular oral anticoagulant users. CONCLUSIONS: Our study highlights the importance of screening for AF in the primary care setting in Brazil and identifies important gaps in the treatment of AF in this population.

6.
Metabolomics ; 15(7): 100, 2019 Jun 28.
Artigo em Inglês | MEDLINE | ID: mdl-31254107

RESUMO

INTRODUCTION: Hutchinson-Gilford Progeria Syndrome (HGPS) is an extremely rare genetic disorder. HGPS children present a high incidence of cardiovascular complications along with altered metabolic processes and an accelerated aging process. No metabolic biomarker is known and the mechanisms underlying premature aging are not fully understood. OBJECTIVES: The present work aims to evaluate the metabolic alterations in HGPS using high resolution mass spectrometry. METHODS: The present study analyzed plasma from six HGPS patients of both sexes (7.7 ± 1.4 years old; mean ± SD) and eight controls (8.6 ± 2.3 years old) by LC-MS/MS in high-resolution non-targeted metabolomics (Q-Exactive Plus). Targeted metabolomics was used to validate some of the metabolites identified by the non-targeted method in a triple quadrupole (TSQ-Quantiva). RESULTS: We found several endogenous metabolites with statistical differences between control and HGPS children. Multivariate statistical analysis showed a clear separation between groups. Potential novel metabolic biomarkers were identified using the multivariate area under ROC curve (AUROC) based analysis, showing an AUC value higher than 0.80 using only two metabolites, and tending to 1.00 when increasing the number of metabolites in the AUROC model. Taken together, changed metabolic pathways involve sphingolipids, amino acids, and oxidation of fatty acids, among others. CONCLUSION: Our data show significant alterations in cellular energy use and availability, in signal transduction, and lipid metabolites, adding new insights on metabolic alterations associated with premature aging and suggesting novel putative biomarkers.

7.
Arq. bras. cardiol ; 112(3): 292-301, Mar. 2019. tab, graf
Artigo em Inglês | LILACS-Express | ID: biblio-989329

RESUMO

Abstract Background: The choice of a mechanical (MP) or biological prosthesis (BP) for patients with valvular heart disease undergoing replacement is still not a consensus. Objective: We aimed to determine the clinical outcomes of MP or BP placement in those patients. Methods: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) that compared biological prostheses and mechanical prostheses in patients with valvular heart diseases and assessed the outcomes. RCTs were searched in the MEDLINE, EMBASE, LILACS, CENTRAL, SCOPUS and Web of Science (from inception to November 2014) databases. Meta-analyses were performed using inverse variance with random effects models. The GRADE system was used to rate the quality of the evidence. A P-value lower than 0.05 was considered significant. Results: A total of four RCTs were included in the meta-analyses (1,528 patients) with follow up ranging from 2 to 20 years. Three used old generation mechanical and biological prostheses, and one used contemporary prostheses. No significant difference in mortality was found between BP and MP patients (risk ratio (RR = 1.07; 95% CI 0.99-1.15). The risk of bleeding was significantly lower in BP patients than MP patients (RR = 0.64; 95% CI 0.52-0.78); however, reoperations were significantly more frequent in BP patients (RR = 3.60; 95% CI 2.44-5.32). There were no statistically significant differences between BP and MP patients with respect to systemic arterial embolisms and infective endocarditis (RR = 0.93; 95% CI 0.66-1.31, RR = 1.21; CI95% 0.78-1.88, respectively). Results in the trials with modern and old prostheses were similar. Conclusions: The mortality rate and the risk of thromboembolic events and endocarditis were similar between BP and MP patients. The risk of bleeding was approximately one third lower for BP patients than for MP patients, while the risk of reoperations was more than three times higher for BP patients.


Resumo Fundamento: A escolha de próteses mecânicas ou biológicas para pacientes com doença de válvula cardíaca ainda não é um consenso. Objetivo: Determinar os desfechos clínicos de próteses mecânicas e biológicas nesses pacientes. Métodos: Conduzimos uma revisão sistemática e metanálise e estudos controlados randomizados (RCTs) que compararam próteses mecânicas e biológicas em pacientes com doenças de válvulas cardíaca, e avaliamos seus resultados. A busca por RCTs foi feita nas bases de dados MEDLINE, EMBASE, LILACS, CENTRAL, SCOPUS e Web of Science (do início a novembro de 2014). As metanálises foram realizadas usando variação inversa com modelos de efeitos aleatórios. Usamos o sistema GRADE para avaliar a qualidade da evidência. Um valor menor que 0,05 foi considerado significativo. Resultados: Um total de quatro RCTs foi incluído na metanálise (1528 pacientes) com acompanhamento de 2 a 20 anos. Em três estudos, foram utilizadas próteses mecânicas e biológicas mais antigas, e em um estudo próteses contemporâneas. Não foi observada diferença de mortalidade entre os pacientes que receberam próteses mecânicas e biológicas (risco relativo, RR = 1,07; IC95% 0,99-1,15). O risco de sangramento foi significativamente mais baixo nos pacientes que receberam próteses biológicas que naqueles com próteses mecânicas (RR = 0,64; IC95% 0,52-0,78). Contudo, as reoparações foram mais frequentes em pacientes com próteses biológicas (RR = 3,60; IC95% 2,44-5,32). Não houve diferenças estatisticamente significativas entre pacientes com próteses biológicas e mecânicas em relação à embolia arterial sistêmica e endocardite infecciosa (RR = 0,93; IC95% 0,66-1,31; RR = 1,21; IC95% 0,78-1,88, respectivamente). Resultados entre os estudos com próteses modernas e antigas foram similares. Conclusões: A taxa de mortalidade e o risco de eventos tromboembólicos e endocardite foram similares entre os pacientes que receberam próteses biológicas e mecânicas. O risco de sangramentos foi aproximadamente um terço menor nos pacientes com próteses biológicas que mecânicas, ao passo que o risco de reoperação foi mais que três vezes maior nos pacientes com próteses biológicas.

8.
Eur Spine J ; 28(5): 967-975, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30877387

RESUMO

OBJECTIVE: The objective of this research was to evaluate the prevalence of cervical and lumbar pain in obese patients eligible for bariatric surgery and to investigate possible changes in sagittal spine alignment in these patients. METHODS: The following parameters were compared in 30 obese patients and a control group of 25 non-obese volunteers: body mass index, prevalence of cervical and lumbar pain assessed by visual analog scale (VAS), Neck Disability Index [NDI] and Oswestry Disability Index [ODI], as well as radiographic parameters of the spine and pelvis measured with Surgimap software. RESULTS: The cervical and lumbar VAS and the NDI and ODI were significantly worse in obese patients. Compared with the control group, the cervical sagittal vertical axis (cSVA) of the obese group had higher variance (p value = 0.0025) and the cervical lordosis was diminished (p value = 0.0023). Thoracic kyphosis, lumbar lordosis, and the pelvic parameters were not significantly different between the groups. CONCLUSIONS: Obese patients demonstrated lower functional performance compared with their non-obese counterparts, while cervical lordosis was diminished and the cSVA was increased in obese patients. These slides can be retrieved under Electronic Supplementary Material.

9.
Arq Bras Cardiol ; 112(3): 292-301, 2019 Mar.
Artigo em Inglês, Português | MEDLINE | ID: mdl-30916201

RESUMO

BACKGROUND: The choice of a mechanical (MP) or biological prosthesis (BP) for patients with valvular heart disease undergoing replacement is still not a consensus. OBJECTIVE: We aimed to determine the clinical outcomes of MP or BP placement in those patients. METHODS: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) that compared biological prostheses and mechanical prostheses in patients with valvular heart diseases and assessed the outcomes. RCTs were searched in the MEDLINE, EMBASE, LILACS, CENTRAL, SCOPUS and Web of Science (from inception to November 2014) databases. Meta-analyses were performed using inverse variance with random effects models. The GRADE system was used to rate the quality of the evidence. A P-value lower than 0.05 was considered significant. RESULTS: A total of four RCTs were included in the meta-analyses (1,528 patients) with follow up ranging from 2 to 20 years. Three used old generation mechanical and biological prostheses, and one used contemporary prostheses. No significant difference in mortality was found between BP and MP patients (risk ratio (RR = 1.07; 95% CI 0.99-1.15). The risk of bleeding was significantly lower in BP patients than MP patients (RR = 0.64; 95% CI 0.52-0.78); however, reoperations were significantly more frequent in BP patients (RR = 3.60; 95% CI 2.44-5.32). There were no statistically significant differences between BP and MP patients with respect to systemic arterial embolisms and infective endocarditis (RR = 0.93; 95% CI 0.66-1.31, RR = 1.21; CI95% 0.78-1.88, respectively). Results in the trials with modern and old prostheses were similar. CONCLUSIONS: The mortality rate and the risk of thromboembolic events and endocarditis were similar between BP and MP patients. The risk of bleeding was approximately one third lower for BP patients than for MP patients, while the risk of reoperations was more than three times higher for BP patients.

10.
Arq. bras. cardiol ; 112(1): 20-29, Jan. 2019. tab, graf
Artigo em Inglês | LILACS-Express | ID: biblio-973836

RESUMO

Abstract Background: Patients with ST-elevation acute myocardial infarction attending primary care centers, treated with pharmaco-invasive strategy, are submitted to coronary angiography within 2-24 hours of fibrinolytic treatment. In this context, the knowledge about biomarkers of reperfusion, such as 50% ST-segment resolution is crucial. Objective: To evaluate the performance of QT interval dispersion in addition to other classical criteria, as an early marker of reperfusion after thrombolytic therapy. Methods: Observational study including 104 patients treated with tenecteplase (TNK), referred for a tertiary hospital. Electrocardiographic analysis consisted of measurements of the QT interval and QT dispersion in the 12 leads or in the ST-segment elevation area prior to and 60 minutes after TNK administration. All patients underwent angiography, with determination of TIMI flow and Blush grade in the culprit artery. P-values < 0.05 were considered statistically significant. Results: We found an increase in regional dispersion of the QT interval, corrected for heart rate (regional QTcD) 60 minutes after thrombolysis (p = 0.06) in anterior wall infarction in patients with TIMI flow 3 and Blush grade 3 [T3B3(+)]. When regional QTcD was added to the electrocardiographic criteria for reperfusion (i.e., > 50% ST-segment resolution), the area under the curve increased to 0.87 [(0.78-0.96). 95% IC. p < 0.001] in patients with coronary flow of T3B3(+). In patients with ST-segment resolution >50% and regional QTcD > 13 ms, we found a 93% sensitivity and 71% specificity for reperfusion in T3B3(+), and 6% of patients with successful reperfusion were reclassified. Conclusion: Our data suggest that regional QTcD is a promising non-invasive instrument for detection of reperfusion in the culprit artery 60 minutes after thrombolysis.


Resumo Fundamento: Pacientes com infarto do miocárdico com elevação do segmento-ST atendidos em centros de atendimento primário e tratados de acordo com a estratégia fármaco-invasiva são submetidos à fibrinólise seguida de coronariografia em período de 2-24h. Neste cenário, o conhecimento de marcadores de reperfusão como a redução em 50% do segmento-ST é fundamental. Objetivo: Analisar o desempenho da dispersão do intervalo QT em adição aos critérios clássicos, como marcador precoce de reperfusão pós-terapia trombolítica. Métodos: Estudo observacional com a inclusão de 104 pacientes tratados com tenecteplase (TNKase) e referenciados a hospital de atendimento terciário. A análise dos eletrocardiogramas (ECG) consistiu em mensuração do intervalo QT e sua dispersão nas 12 derivações, e também apenas na região com supradesnivelamento-ST antes e 60min pós-TNKase. A angiografia foi realizada em todos os pacientes com obtenção do fluxo TIMI e Blush da artéria culpada. Foram considerados significantes valores de p < 0,05. Resultados: Observamos aumento da dispersão do intervalo QT, corrigido pela frequência cardíaca, regional (dQTcR) 60min pós-lise (p = 0,006) em infartos de parede anterior nos casos com fluxo TIMI 3 e Blush 3 [T3B3(+)]. Adicionando a dQTcR ao critério ECG (redução do ST > 50%) de reperfusão, a área sob a curva aumentou para 0,87 [(0,78-0,96), IC95%, p < 0,001] em pacientes com fluxo coronário T3B3(+). Nos pacientes com critério de ECG para reperfusão e dQTcR > 13 ms a sensibilidade e especificidade foram 93% e 71%, respectivamente, para reperfusão em T3B3(+), possibilitando reclassificar 6% dos pacientes com sucesso de reperfusão. Conclusão: Os dados sugerem a dQTcR como instrumento promissor na identificação não invasiva de reperfusão na artéria coronária culpada, 60min pós-trombólise.

11.
Rev. Soc. Cardiol. Estado de Säo Paulo ; 29(1 (Supl)): 94-96, jan.-mar. 2019. ilus
Artigo em Português | LILACS | ID: biblio-1015189

RESUMO

O eletrocardiograma (ECG) é fundamental na avaliação dos pacientes com síndrome coronariana aguda (SCA), pois possibilita a identificação precoce dos pacientes com sinais de oclusão coronariana (infarto agudo do miocárdio com supradesnivelamento do segmento ST - IAMCSSST), que se beneficiam com estratégias de reperfusão miocárdica de emergência. Os casos de SCA sem supradesnivelamento de segmento ST pressupõem ausência de oclusão coronariana, e o ECG pode mostrar sinais de isquemia como inversão simétrica de ondas T, infradesnivelamento de segmento ST, ou mesmo ser normal em até 15% dos casos. No entanto, recentemente foi descrito um padrão eletrocardiográfico raro, conhecido como padrão "De Winter", relacionado à oclusão coronariana aguda da artéria descendente anterior (ADA) em seu terço proximal, na ausência de supradesnivelamento de segmento ST. Este é o relato de um paciente jovem, do sexo masculino, com quadro clínico anginoso típico, menos de uma hora depois de angioplastia eletiva da ADA, que apresentou padrão "De Winter" no ECG e teve confirmada trombose aguda de stent. O reconhecimento desse padrão eletrocardiográfico incomum é fundamental para garantir terapia de reperfusão coronariana emergencial em casos de síndrome coronariana aguda


he electrocardiogram (ECG) is a crucial tool in the evaluation of patients with acute coronary syndrome (ACS), since it allows the early identification of patients with signs of coronary occlusion (ST-elevation myocardial infarction ­ STEMI), who benefit from emergency myocardial reperfusion strategies. On the other hand, cases of non-ST-elevation ACS presumably have no coronary occlusion, and the ECG may show signs of ischemia such as symmetrical T-wave inversion, ST-segment depression, or even be normal in up to 15% of cases. However, a rare ECG pattern, known as the "De Winter" pattern, related to an acute occlusion of the Left Anterior Descending (LAD) coronary artery in its proximal third segment, has been recently described without ST-segment elevation. This is a case report of a young male patient with typical chest pain symptoms less than one hour after an elective LAD angioplasty, who presented with "De Winter" pattern on the ECG and had confirmed acute stent thrombosis. The recognition of this unusual electrocardiographic pattern is essential to guarantee emergency coronary reperfusion therapy in cases of acute coronary syndrome


Assuntos
Humanos , Masculino , Adulto , Eletrocardiografia/métodos , Síndrome Coronariana Aguda , Oclusão Coronária , Trombose , Reperfusão Miocárdica/métodos , Stents , Angioplastia/métodos , Infarto do Miocárdio
12.
Rev. Soc. Cardiol. Estado de Säo Paulo ; 29(1 (Supl)): 97-99, jan.-mar. 2019. ilus
Artigo em Português | LILACS | ID: biblio-1015196

RESUMO

A dissecção aguda da aorta (DAA) é uma emergência cardiovascular que acarreta mortalidade alta, 50% a 68% em 48 horas e até 85% em um mês. Este caso refere-se a um homem com 65 anos, ex-tabagista, que teve precordialgia com queimação irradiada para membros superiores, associada a náuseas. O eletrocardiograma mostrou upradesnivelamento ST em parede inferolateral. Recebeu tratamento para infarto agudo do miocárdio com AAS, clopidogrel, enoxaparina e tenecteplase. O cateterismo cardíaco evidenciou DAA tipo A de Stanford e coronárias sem obstruções. O ecocardiograma transtorácico mostrou insuficiência aórtica moderada e dissecção estendendo-se da raiz da aorta até a porção descendente proximal. O paciente foi submetido à cirurgia de Bentall de Bono e enxerto safeno-coronário direito devido à obstrução durante a cirurgia, com boa evolução pós-operatória. A DAA continua a ser um desafio diagnóstico na sala de emergência. De acordo com International Registry of Acute Aortic Dissection, os achados clínicos nas dissecções tipo A incluem dor torácica súbita e intensa (86%), irradiação dorsal (47%), sopro de insuficiência aórtica (44%), assimetria de pressão arterial (50%) e pulsos (30%), alargamento de mediastino à radiografia de tórax (63%) e supradesnivelamento de ST (4%), majoritariamente por oclusão de óstio da coronária direita. O caso destaca-se pela evolução favorável a despeito do tratamento com potencial catastrófico inicialmente direcionado para doença coronariana aguda aterotrombótica


Acute Aortic Dissection (AAD) is a cardiovascular emergency that entails high mortality - 50-68% in 48 hours and up to 85% in one month. This case involves a 65-year-old male ex-smoker who had onset of precordial pain with a burning sensation, radiating into the upper limbs, in combination with nausea. Electrocardiogram showed inferolateral wall ST elevation. He received treatment for acute myocardial infarction with acetylsalicylic acid, clopidogrel, enoxaparin and tenecteplase. Cardiac catheterization revealed Stanford type A AAD and unobstructed coronary arteries. Transthoracic echocardiogram showed moderate aortic regurgitation and aortic dissection extending from the aortic root to its proximal descending portion. The patient underwent a Bentall-De Bono procedure and right coronary artery bypass grafting using the saphenous vein due to obstruction during surgery, with good postoperative progress. AAD remains a diagnostic challenge in the emergency room. According to the International Registry of Acute Aortic Dissection, clinical findings in type A dissections include: sudden severe chest pain (86%), dorsal irradiation (47%), aortic regurgitation murmur (44%), asymmetric blood pressure (50%) or pulse (30%), mediastinal widening on chest radiograph (63%) and ST-segment elevation (4%), mainly due to right coronary ostium occlusion. The case is distinctive because of favorable progress in spite of the potentially catastrophic treatment initially targeting acute coronary atherothrombotic disease


Assuntos
Humanos , Masculino , Idoso , Aorta , Dissecação , Infarto do Miocárdio/complicações , Infarto do Miocárdio/diagnóstico , Insuficiência da Valva Aórtica/complicações , Aortografia/métodos , Ecocardiografia/métodos , Cateterismo Cardíaco/métodos , Doenças Cardiovasculares/diagnóstico , Fatores de Risco , Eletrocardiografia/métodos
13.
Arq Bras Cardiol ; 2019 Jan 07.
Artigo em Inglês, Português | MEDLINE | ID: mdl-30624529

RESUMO

BACKGROUND: The choice of a mechanical (MP) or biological prosthesis (BP) for patients with valvular heart disease undergoing replacement is still not a consensus. OBJECTIVE: We aimed to determine the clinical outcomes of MP or BP placement in those patients. METHODS: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) that compared biological prostheses and mechanical prostheses in patients with valvular heart diseases and assessed the outcomes. RCTs were searched in the MEDLINE, EMBASE, LILACS, CENTRAL, SCOPUS and Web of Science (from inception to November 2014) databases. Meta-analyses were performed using inverse variance with random effects models. The GRADE system was used to rate the quality of the evidence. A P-value lower than 0.05 was considered significant. RESULTS: A total of four RCTs were included in the meta-analyses (1,528 patients) with follow up ranging from 2 to 20 years. Three used old generation mechanical and biological prostheses, and one used contemporary prostheses. No significant difference in mortality was found between BP and MP patients (risk ratio (RR = 1.07; 95% CI 0.99-1.15). The risk of bleeding was significantly lower in BP patients than MP patients (RR = 0.64; 95% CI 0.52-0.78); however, reoperations were significantly more frequent in BP patients (RR = 3.60; 95% CI 2.44-5.32). There were no statistically significant differences between BP and MP patients with respect to systemic arterial embolisms and infective endocarditis (RR = 0.93; 95% CI 0.66-1.31, RR = 1.21; CI95% 0.78-1.88, respectively). Results in the trials with modern and old prostheses were similar. CONCLUSIONS: The mortality rate and the risk of thromboembolic events and endocarditis were similar between BP and MP patients. The risk of bleeding was approximately one third lower for BP patients than for MP patients, while the risk of reoperations was more than three times higher for BP patients.

14.
Arq Bras Cardiol ; 112(1): 20-29, 2019 01.
Artigo em Inglês, Português | MEDLINE | ID: mdl-30570061

RESUMO

BACKGROUND: Patients with ST-elevation acute myocardial infarction attending primary care centers, treated with pharmaco-invasive strategy, are submitted to coronary angiography within 2-24 hours of fibrinolytic treatment. In this context, the knowledge about biomarkers of reperfusion, such as 50% ST-segment resolution is crucial. OBJECTIVE: To evaluate the performance of QT interval dispersion in addition to other classical criteria, as an early marker of reperfusion after thrombolytic therapy. METHODS: Observational study including 104 patients treated with tenecteplase (TNK), referred for a tertiary hospital. Electrocardiographic analysis consisted of measurements of the QT interval and QT dispersion in the 12 leads or in the ST-segment elevation area prior to and 60 minutes after TNK administration. All patients underwent angiography, with determination of TIMI flow and Blush grade in the culprit artery. P-values < 0.05 were considered statistically significant. RESULTS: We found an increase in regional dispersion of the QT interval, corrected for heart rate (regional QTcD) 60 minutes after thrombolysis (p = 0.06) in anterior wall infarction in patients with TIMI flow 3 and Blush grade 3 [T3B3(+)]. When regional QTcD was added to the electrocardiographic criteria for reperfusion (i.e., > 50% ST-segment resolution), the area under the curve increased to 0.87 [(0.78-0.96). 95% IC. p < 0.001] in patients with coronary flow of T3B3(+). In patients with ST-segment resolution >50% and regional QTcD > 13 ms, we found a 93% sensitivity and 71% specificity for reperfusion in T3B3(+), and 6% of patients with successful reperfusion were reclassified. CONCLUSION: Our data suggest that regional QTcD is a promising non-invasive instrument for detection of reperfusion in the culprit artery 60 minutes after thrombolysis.

15.
Arch. endocrinol. metab. (Online) ; 62(6): 615-622, Dec. 2018. tab
Artigo em Inglês | LILACS-Express | ID: biblio-983802

RESUMO

ABSTRACT Objective: The objective was to evaluate the association between sarcopenia (EWGSOP) and osteoporosis in older adults. Subjects and methods: This is a cross sectional analysis of a baseline evaluation of the SARCopenia and OSteoporosis in Older Adults with Cardiovascular Diseases Study (SARCOS). Three hundred and thirty-two subjects over 65 years of age were evaluated. Sarcopenia was determined by EWGSOP flowchart and Osteoporosis was established by WHO's criteria. Physical function, comorbidities and medications were evaluated. Results: Women were older (79.8 ± 7.2 years) than men (78.21 ± 6.7 years) (p = 0.042). Osteoporosis occurred in 24.8% of men, and in 42.7% of women (p < 0.001); sarcopenia occurred in 25.5% of men and in 17.7%, of women (p = 0.103). Osteoporosis was diagnosed in 68% of sarcopenic women, however only 20.7% (p = 0.009) of women with osteoporosis had sarcopenia; in older men, 44.7% of individuals with sarcopenia presented osteoporosis and 42.9% (p = 0.013) of men with osteoporosis showed sarcopenia. In an adjusted logistic regression analyses for sarcopenia, osteoporosis presented a statistically significant association with sarcopenia in men [OR: 2.930 (95% CI: 1.044-8.237; p = 0.041)] but not in women [OR: 2.081 (0.787-5.5; p = 0.142)]; in the adjusted logistic regression analyses for osteoporosis, a statistically significant association occurred in men [OR: 2.984 (95% CI: 1.144-7.809; p = 0.025)], but not in women [OR: 2.093 (0.962-3.714; p = 0.137)]. Conclusion: According to sex, there are significant differences in the association between sarcopenia EWGSOP and osteoporosis in outpatient older adults. It is strong and significant in males; in females, despite showing a positive trend, it was not statistically significant.

16.
Pain Res Manag ; 2018: 5392538, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30154944

RESUMO

Viscosupplementation is a minimally invasive technique that replaces synovial fluid by intra-articular injection of hyaluronic acid (HA). Although effective in some joints, there is not conclusive evidence regarding temporomandibular disorders. This case series described the efficacy of a viscosupplementation protocol in intra-articular temporomandibular disorders. Ten patients with a diagnosis of disc displacement and/or osteoarthritis by Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) were submitted to four monthly injections of low or medium molecular weight HA. Pain, mandibular function, image analysis by tomography and magnetic resonance, and quality of life were assessed at baseline and follow-ups (1 and 6 months). Pain, jaw range-of-motion, mandibular function, and quality of life improved at follow-up evaluations. Osteoarthritis changes decreased, and 20% of patients improved mandibular head excursion after treatment. Resolution of effusion and improvement in disc morphology were observed for most patients. This viscosupplementation protocol reduced pain and symptoms associated with internal derangement of temporomandibular joint, improved quality of life, and showed benefits from both low and medium molecular weight HA in alternate cycles.

17.
Artigo em Português | LILACS | ID: biblio-916557

RESUMO

Introdução: A fragilidade caracteriza-se pela perda da capacidade biológica e física de responder adequadamente ao estresse orgânico devido aos danos a diversos sistemas associados ao processo de envelhecimento. Entre os indivíduos com doenças cardiovasculares, a frequência da fragilidade é três vezes maior. Métodos: SARCOS é um estudo epidemiológico de coorte para avaliar a síndrome de vulnerabilidade com hospitalização e mortalidade em idosos ambulatoriais com doença cardiovascular (DCV). A fragilidade foi diagnosticada na presença de três ou mais dos seguintes critérios: perda de peso > 5%, velocidade de marcha reduzida, fraqueza muscular pela força de preensão, exaustão e perda de energia (levantar e sentar da cadeira cinco vezes). Resultados: Dos 169 pacientes avaliados, a fragilidade ocorreu em 19,5% (n=33). A média de idade foi de 78,3 ± 7,1 anos. A taxa mortalidade aos seis meses foi de 3% (n=5), sendo que 80% (n=4) eram frágeis e 20% (n=1) pré-frágeis (p=0,007). Na análise de regressão logística, a fragilidade mostrou ser um forte preditor de morte aos seis meses, com aumento de risco de 18 vezes quando comparado aos fortes (p=0,010), enquanto que entre as DCVs, a insuficiência cardíaca apresentou aumento de risco de quatro vezes (p=0,061). No modelo de interação entre a fragilidade e as DCVs, não houve diferença significativa da fragilidade em relação ao risco de morte. Conclusão: A fragilidade é um importante fator de risco de morte precoce em idosos ambulatoriais, independente e superior às doenças cardiovasculares crônicas mais frequentes que acometem essa população. A síndrome da fragilidade não apresenta sinergia com doenças cardiovasculares crônicas em relação ao risco de morte


Introduction: Frailty is characterized by the loss of the biological and physical capacity to respond adequately to organic stress as a result of damage to various systems associated with aging. The frequency of frailty is three times higher among individuals with cardiovascular disease. Methods: SARCOS is an epidemiological cohort study to evaluate vulnerability syndrome with hospitalization and mortality in elderly patients with cardiovascular disease (CVD). Frailty was diagnosed when three or more of the following criteria were present: Weight loss > 5%, slow walking speed, muscle weakness by the hand-grip test, exhaustion, and loss of energy (by the five times sit-to-stand test). Results: Of the 169 patients evaluated, frailty was present in 19.5%(n = 33). The mean age was 78.3 ± 7.1 years. The mortality rate at six months was 3% (n = 5), with 80% (n = 4) being frail and 20% (n = 1) pre-frail (p = 0.007). In the logistic regression analysis, frailty was shown to be a strong predictor of death at six months, with an 18-fold increase in risk when compared to strong individuals (p = 0.010), whereas among those with CVD, the heart failure presented a 4-fold increase in risk (p = 0.061). In the interaction model between frailty and CVD, there were no significant differences in frailty in relation to the risk of death. Conclusion: Frailty is an important risk factor for early death among outpatients, independent of, and higher than the most frequent chronic cardiovascular diseases that affect this population. Frailty syndrome was not correlated with chronic cardiovascular diseases, in relation to the risk of death


Assuntos
Humanos , Masculino , Idoso , Idoso , Doenças Cardiovasculares/mortalidade , Fragilidade/complicações , Valor Preditivo dos Testes , Análise de Variância , Fibrilação Atrial , Doença Crônica , Estudos de Coortes , Epidemiologia , Idoso Fragilizado , Insuficiência Cardíaca , Mortalidade , Análise Qualitativa , Análise Quantitativa , Fatores de Risco , Fatores Sexuais , Análise Estatística
18.
J Steroid Biochem Mol Biol ; 183: 39-50, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29920416

RESUMO

Aging is a complex process that increases the risk of chronic disease development. Hormonal and metabolic alterations occur with aging, such as androgen activity decrease. Studies aim to understand the role of testosterone replacement therapy (TRT) in males, however biomarkers and the metabolic responses to TRT are not well characterized. Therefore, the present study investigated TRT effect in young adult and aged rats by metabolomics. Male Wistar rats were divided into four groups: adult and adult + testo (6months), old and old + testo (25-27months). TRT animals received daily testosterone propionate (1 mg/kg/subcutaneous). TRT changed the testicular weight index decrease induced by aging but did not change the body weight and liver weight index. Sera were analyzed by liquid chromatograph high resolution mass spectrometry (LCMS/MS). Testosterone was quantified by target LCMS/MS. A total of 126 metabolites were detected with known identification altered by TRT by non-target metabolomics analysis. Multivariate statistics shows that all groups segregated individually after principal component analysis. The treatment with testosterone induced several metabolic alterations in adult and old rats that were summarized by variable importance on projection score, metabolite interaction and pathway analysis. Aging-related hypogonadism induces a pattern of systemic metabolic alterations that can be partially reversed by TRT, however, this treatment in aged rats induces novel alterations in some metabolites that are possible new targets for monitoring in patients submitted to TRT.

19.
Stem Cell Res Ther ; 9(1): 30, 2018 02 05.
Artigo em Inglês | MEDLINE | ID: mdl-29402309

RESUMO

BACKGROUND: Doxorubicin (Dox) is a chemotherapy drug with limited application due to cardiotoxicity that may progress to heart failure. This study aims to evaluate the role of cardiomyocytes derived from mouse embryonic stem cells (CM-mESCs) in the treatment of Dox-induced cardiomyopathy (DIC) in mice. METHODS: The mouse embryonic stem cell (mESC) line E14TG2A was characterized by karyotype analysis, gene expression using RT-PCR and immunofluorescence. Cells were transduced with luciferase 2 and submitted to cardiac differentiation. Total conditioned medium (TCM) from the CM-mESCs was collected for proteomic analysis. To establish DIC in CD1 mice, Dox (7.5 mg/kg) was administered once a week for 3 weeks, resulting in a cumulative Dox dose of 22.5 mg/kg. At the fourth week, a group of animals was injected intramyocardially with CM-mESCs (8 × 105 cells). Cells were tracked by a bioluminescence assay, and the body weight, echocardiogram, electrocardiogram and number of apoptotic cardiomyocytes were evaluated. RESULTS: mESCs exhibited a normal karyotype and expressed pluripotent markers. Proteomic analysis of TCM showed proteins related to the negative regulation of cell death. CM-mESCs presented ventricular action potential characteristics. Mice that received Dox developed heart failure and showed significant differences in body weight, ejection fraction (EF), end-systolic volume (ESV), stroke volume (SV), heart rate and QT and corrected QT (QTc) intervals when compared to the control group. After cell or placebo injection, the Dox + CM-mESC group showed significant increases in EF and SV when compared to the Dox + placebo group. Reduction in ESV and QT and QTc intervals in Dox + CM-mESC-treated mice was observed at 5 or 30 days after cell treatment. Cells were detected up to 11 days after injection. The Dox + CM-mESC group showed a significant reduction in the percentage of apoptotic cardiomyocytes in the hearts of mice when compared to the Dox + placebo group. CONCLUSIONS: CM-mESC transplantation improves cardiac function in mice with DIC.

20.
Catheter Cardiovasc Interv ; 91(4): 820-826, 2018 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-29411509

RESUMO

OBJECTIVE: To describe and standardize an original protocol for fractional flow reserve (FFR) pre and postangioplasty in an initial series of patients with clinically manifested transplant renal artery stenosis (TRAS). BACKGROUND: There is no data in the literature about the use of FFR in TRAS. METHODS: Patients with TRAS detected in a noninvasive study were referred to diagnostic angiography and stenosis considered visually severe (≥ 60%) were included. After selective cannulation, a PressureWire 0.014" (Certus™-St. Jude Medical) was advanced to the distal portion of the vessel. Resting Pd/Pa ratio (ratio of mean distal to lesion and mean proximal pressures) and translesional systolic pressure gradient were obtained and FFR and hyperemic translesional systolic and mean pressure gradients (HSG and HMG) were registered after papaverine induced maximum hyperemia-pre and poststent implantation. Creatinine levels and office blood pressure measurements were registered at the baseline, 6 and 12 months after intervention. RESULTS: Ten consecutive patients had successful stent implantation and were included. After treatment, significant increase in FFR (0.76 ± 0.09 vs. 0.96 ± 0.04, P < 0.001) and reduction in systolic hyperemic gradients (-41.40 ± 19.18, P < 0.001) and mean (-24.00 ± 11.65, P < 0.001) were observed. A strong negative correlation was observed between FFR and percent stenosis diameter-%SD (r = -0.89, P < 0.001) and HSG (r = -0.9, P < 0.001) as well as a strong positive correlation between FFR and baseline Pd/Pa ratio (r = 0.9, P < 0.001). CONCLUSION: FFR was a well-tolerated, valid and reproducible tool during percutaneous intervention for TRAS. Good correlation was observed between FFR and others hemodynamic parameters of lesion severity.

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