Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 110
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
Echocardiography ; 41(7): e15854, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38940225

RESUMO

Coronary artery disease (CAD) is a prevalent cause of left ventricular dysfunction. Nevertheless, effective elective revascularization, particularly surgical revascularization, can enhance long-term outcomes and, in selected cases, global left ventricular contractility. The assessment of myocardial viability and scars is still relevant in guiding treatment decisions and selecting patients who are likely to benefit most from blood flow restoration. Although the most recent randomized studies challenge the notion of "hibernating myocardium" and the clinical usefulness of assessing myocardial viability, the advancement of imaging techniques still renders this assessment valuable in specific situations. According to the guidelines of the European Society of Cardiology, non-invasive stress imaging may be employed to define myocardial ischemia and viability in patients with CAD and heart failure before revascularization. Currently, several non-invasive imaging techniques are available to evaluate the presence and extent of viable myocardium. The selection of the most suitable technique should be based on the patient, clinical context, and resource availability. This narrative review evaluates the characteristics of available imaging modalities for assessing myocardial viability to determine the most appropriate therapeutic strategy.


Assuntos
Doença da Artéria Coronariana , Humanos , Doença da Artéria Coronariana/fisiopatologia , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/diagnóstico , Doença da Artéria Coronariana/complicações , Imagem Multimodal/métodos , Miocárdio/patologia , Ecocardiografia/métodos , Sobrevivência de Tecidos
2.
Eur Radiol ; 33(2): 1102-1111, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36029344

RESUMO

OBJECTIVES: Establishing the reproducibility of expert-derived measurements on CTA exams of aortic dissection is clinically important and paramount for ground-truth determination for machine learning. METHODS: Four independent observers retrospectively evaluated CTA exams of 72 patients with uncomplicated Stanford type B aortic dissection and assessed the reproducibility of a recently proposed combination of four morphologic risk predictors (maximum aortic diameter, false lumen circumferential angle, false lumen outflow, and intercostal arteries). For the first inter-observer variability assessment, 47 CTA scans from one aortic center were evaluated by expert-observer 1 in an unconstrained clinical assessment without a standardized workflow and compared to a composite of three expert-observers (observers 2-4) using a standardized workflow. A second inter-observer variability assessment on 30 out of the 47 CTA scans compared observers 3 and 4 with a constrained, standardized workflow. A third inter-observer variability assessment was done after specialized training and tested between observers 3 and 4 in an external population of 25 CTA scans. Inter-observer agreement was assessed with intraclass correlation coefficients (ICCs) and Bland-Altman plots. RESULTS: Pre-training ICCs of the four morphologic features ranged from 0.04 (-0.05 to 0.13) to 0.68 (0.49-0.81) between observer 1 and observers 2-4 and from 0.50 (0.32-0.69) to 0.89 (0.78-0.95) between observers 3 and 4. ICCs improved after training ranging from 0.69 (0.52-0.87) to 0.97 (0.94-0.99), and Bland-Altman analysis showed decreased bias and limits of agreement. CONCLUSIONS: Manual morphologic feature measurements on CTA images can be optimized resulting in improved inter-observer reliability. This is essential for robust ground-truth determination for machine learning models. KEY POINTS: • Clinical fashion manual measurements of aortic CTA imaging features showed poor inter-observer reproducibility. • A standardized workflow with standardized training resulted in substantial improvements with excellent inter-observer reproducibility. • Robust ground truth labels obtained manually with excellent inter-observer reproducibility are key to develop reliable machine learning models.


Assuntos
Dissecção Aórtica , Humanos , Variações Dependentes do Observador , Reprodutibilidade dos Testes , Estudos Retrospectivos , Dissecção Aórtica/diagnóstico por imagem , Aorta
3.
Eur Radiol ; 32(7): 4352-4360, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35230520

RESUMO

OBJECTIVES: To assess clinical and cardiac magnetic resonance (CMR) imaging features of patients with peri-myocarditis following Coronavirus Disease 2019 (COVID-19) vaccination. METHODS: We retrospectively collected a case series of 27 patients who underwent CMR in the clinical suspect of heart inflammation following COVID-19 vaccination, from 16 large tertiary centers. Our patient's cohort was relatively young (36.6 ± 16.8 years), predominately included males (n = 25/27) with few comorbidities and covered a catchment area of approximately 8 million vaccinated patients. RESULTS: CMR revealed typical mid-subepicardial non-ischemic late gadolinium enhancement (LGE) in 23 cases and matched positively with CMR T2 criteria of myocarditis. In 7 cases, typical hallmarks of acute pericarditis were present. Short-term follow-up (median = 20 days) from presentation was uneventful for 25/27 patients and unavailable in two cases. CONCLUSIONS: While establishing a causal relationship between peri-myocardial inflammation and vaccine administration can be challenging, our clinical experience suggests that CMR should be performed for diagnosis confirmation and to drive clinical decision-making and follow-up. KEY POINTS: • Acute onset of dyspnea, palpitations, or acute and persisting chest pain after COVID-19 vaccination should raise the suspicion of possible myocarditis or pericarditis, and patients should seek immediate medical attention and treatment to help recovery and avoid complications. • In case of elevated troponin levels and/or relevant ECG changes, cardiac magnetic resonance should be considered as the best non-invasive diagnostic option to confirm the diagnosis of myocarditis or pericarditis and to drive clinical decision-making and follow-up.


Assuntos
COVID-19 , Miocardite , Pericardite , Arritmias Cardíacas , Vacinas contra COVID-19/efeitos adversos , Meios de Contraste/farmacologia , Gadolínio/farmacologia , Humanos , Inflamação , Imageamento por Ressonância Magnética , Masculino , Miocardite/diagnóstico por imagem , Miocardite/etiologia , Pericardite/diagnóstico por imagem , Pericardite/etiologia , Estudos Retrospectivos , Vacinação
4.
Radiol Med ; 127(7): 788-802, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35608758

RESUMO

Cardiovascular magnetic resonance (CMR) and computed tomography (CCT) are advanced imaging modalities that recently revolutionized the conventional diagnostic approach to congenital heart diseases (CHD), supporting echocardiography and often replacing cardiac catheterization. Nevertheless, correct execution and interpretation require in-depth knowledge of all technical and clinical aspects of CHD, a careful assessment of risks and benefits before each exam, proper imaging protocols to maximize diagnostic information, minimizing harm. This position paper, written by experts from the Working Group of the Italian Society of Pediatric Cardiology and from the Italian College of Cardiac Radiology of the Italian Society of Medical and Interventional Radiology, is intended as a practical guide for applying CCT and CMR in children and adults with CHD, wishing to support Radiologists, Pediatricians, Cardiologists and Cardiac Surgeons in the multimodality diagnostic approach to these patients. The first part provides a review of the most relevant literature in the field, describes each modality's advantage and drawback, making considerations on the main applications, image quality, and safety issues. The second part focuses on clinical indications and appropriateness criteria for CMR and CCT, considering the level of CHD complexity, the clinical and logistic setting and the operator expertise.


Assuntos
Cardiologia , Cardiopatias Congênitas , Adulto , Criança , Consenso , Cardiopatias Congênitas/diagnóstico por imagem , Humanos , Espectroscopia de Ressonância Magnética , Radiologia Intervencionista , Tomografia Computadorizada por Raios X
5.
J Endovasc Ther ; 28(2): 295-299, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-33070677

RESUMO

PURPOSE: To describe steps related to intraoperative C-arm orientations that can be taken during preoperative planning of thoracic stent-graft repair to facilitate the deployment of EndoAnchors in the distal aortic arch. TECHNIQUE: Previous experience from transcatheter aortic valve implantation (TAVI) may be helpful in addressing issues with C-arm orientation. In TAVI, preoperative computed tomography (CT) images are routinely obtained to generate a patient-specific curve that represents a virtually complete rotation of the C-arm perpendicular to the annulus. The curve clearly demonstrates that each adjustment in cranial or caudal view needs parallax correction in the left or right anterior oblique direction to remain perpendicular, and vice versa. This experience can be translated to the preoperative planning of EndoAnchor use in the aortic arch. By placing markers along the circumference of the proximal landing zone of the preoperative CT scan, the required C-arm orientations can be determined for each marker. CONCLUSION: Determining the optimal C-arm orientation during preoperative planning will facilitate successful EndoAnchor deployment and may contribute to improved durability of endovascular repair in hostile necks in the aortic arch.


Assuntos
Aneurisma da Aorta Torácica , Implante de Prótese Vascular , Procedimentos Endovasculares , Aorta Torácica/diagnóstico por imagem , Aorta Torácica/cirurgia , Aneurisma da Aorta Torácica/diagnóstico por imagem , Aneurisma da Aorta Torácica/cirurgia , Prótese Vascular , Endoleak/cirurgia , Humanos , Desenho de Prótese , Stents , Resultado do Tratamento
6.
Emerg Radiol ; 28(4): 735-742, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-33604768

RESUMO

PURPOSE: To evaluate the feasibility of triple rule out computed tomography (TRO-CT) in an emergency radiology workflow by comparing the diagnostic performance of cardiovascular and general radiologists in the interpretation of emergency TRO-CT studies in patients with acute and atypical chest pain. METHODS: Between July 2017 and December 2019, 350 adult patients underwent TRO-CT studies for the assessment of atypical chest pain. Three radiologists with different fields and years of expertise (a cardioradiologist-CR, an emergency senior radiologist-SER, and an emergency junior radiologist-JER) retrospectively and independently reviewed all TRO-CT studies, by trans-axial and multiplanar reconstruction only. Concordance rates were then calculated using as reference blinded results from a different senior cardioradiologist, who previously evaluated studies using all available analysis software. RESULTS: Concordance rate was 100% for acute aortic syndrome (AAS) and pulmonary embolism (PE). About coronary stenosis (CS) for non-obstructive (<50%), CS concordance rates were 97.98%, 90.91%, and 97.18%, respectively, for CR, SER, and JER; for obstructive CS (>50%), concordance rates were respectively 88%, 85.7%, and 71.43%. Moreover, it was globally observed a better performance in the evaluation of last half of examinations compared with the first one. CONCLUSIONS: Our study confirm the feasibility of the TRO-CT even in an Emergency Radiology department that cannot rely on a 24/7 availability of a dedicated skilled cardiovascular radiologist. The "undedicated" radiologists could exclude with good diagnostic accuracy the presence of obstructive stenosis, those with a clinical impact on patient management, without needing time-consuming software and/or reconstructions.


Assuntos
Dor no Peito , Embolia Pulmonar , Adulto , Dor no Peito/diagnóstico por imagem , Angiografia Coronária , Serviço Hospitalar de Emergência , Humanos , Radiologistas , Estudos Retrospectivos , Tomografia Computadorizada por Raios X
7.
Radiol Med ; 126(3): 365-379, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33629237

RESUMO

Cardiac magnetic resonance (CMR) has emerged as new mainstream technique for the evaluation of patients with cardiac diseases, providing unique information to support clinical decision-making. This document has been developed by a joined group of experts of the Italian Society of Cardiology and Italian society of Radiology and aims to produce an updated consensus statement about the current state of technology and clinical applications of CMR. The writing committee consisted of members and experts of both societies who worked jointly to develop a more integrated approach in the field of cardiac radiology. Part 1 of the document will cover ischemic heart disease, congenital heart disease, cardio-oncology, cardiac masses and heart transplant.


Assuntos
Técnicas de Imagem Cardíaca/normas , Consenso , Cardiopatias Congênitas/diagnóstico por imagem , Neoplasias Cardíacas/diagnóstico por imagem , Transplante de Coração , Imageamento por Ressonância Magnética/normas , Isquemia Miocárdica/diagnóstico por imagem , Cardiologia , Cardiotoxicidade/diagnóstico por imagem , Tomada de Decisão Clínica , Neoplasias Cardíacas/tratamento farmacológico , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio sem Supradesnível do Segmento ST/diagnóstico por imagem , Cuidados Pós-Operatórios , Prognóstico , Infarto do Miocárdio com Supradesnível do Segmento ST/diagnóstico por imagem , Sociedades Médicas
8.
Surg Technol Int ; 38: 331-338, 2021 05 20.
Artigo em Inglês | MEDLINE | ID: mdl-34000753

RESUMO

Although the endovascular approach is the therapeutic option of choice for thoracic and abdominal aortic diseases, open surgery is still the treatment of choice for aortic arch diseases. While open surgical repair remains the gold standard treatment for complete aortic arch replacement, it continues to be burdened by high mortality and neurologic complications, especially for patients who require redo surgery. Therefore, in the era of endovascular surgery, it is not surprising that hybrid operating rooms, new technologies, and new approaches are strongly challenging open surgery. Less-invasive endovascular procedures, when used to treat aortic arch diseases, when feasible and indicated, have clear advantages over open surgery, primarily because there is no need for cardiopulmonary bypass, hypothermic circulatory arrest, or cerebral protection. Moreover, patients who have already been treated for acute type A aortic dissection continue to have a considerable risk for future aortic reintervention, which is associated with increased risk for short- and long-term mortality. In light of these advantages, it is clear how selected high-risk patients with aortic arch disease could benefit from the endovascular approach. However, the hemodynamic and anatomic characteristics of the aortic arch make the endovascular approach in this region challenging. In fact, uncorrected stent-graft placement can have fatal consequences for the patient and increase the risk of endoleaks and stroke. To minimize these potential risks, precise and accurate preoperative planning to achieve optimal stent-graft dimensions and implantation is essential together with careful patient selection. Endovascular options for the treatment of aortic arch disease include both hybrid procedures and total endovascular solutions. This manuscript provides an overview of the current strategies for endovascular aortic arch treatment, including the most recent available series on this topic. In addition, a literature search offers insight into the current state of the art.


Assuntos
Aneurisma da Aorta Torácica , Doenças da Aorta , Implante de Prótese Vascular , Procedimentos Endovasculares , Aneurisma da Aorta Torácica/cirurgia , Doenças da Aorta/cirurgia , Prótese Vascular , Humanos , Fatores de Risco , Stents , Resultado do Tratamento
9.
Am J Med Genet A ; 182(7): 1673-1680, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32352226

RESUMO

This study aimed to investigate the potential association between imaging features and cardiovascular outcomes in patients with Loeys­Dietz syndrome (LDS). We performed a retrospective cohort study of 36 patients with LDS and described cardiovascular events and imaging data. We observed different clinical courses in patients with LDS, irrespective of the causative gene. Angular or elongated aortic arch geometry correlated with aortic dissection (R = .39, p = .02), occurrence of the first cardiovascular event before 45 years of age (R = .36, p = .03), and the number of operations (R = 0.47, p = .004), but not with age (R = −.05, p = .79) or the causative gene (R = −0.04, p = .79). Relative absences of cardiovascular events at ages 20, 40, and 60 were 100, 75, and 56%, respectively, in patients with "romanesque" aortic arches, and 74, 39, and 21%, respectively, in patients with "gothic" and "elongated" aortic arches (p = .03). Angular or elongated aortic arch geometry is associated with early­onset of disease and a worse cardiovascular outcome in LDS patients. Large multicenter studies are warranted to elucidate the impact of aortic arch morphology evaluation in clinical practice.


Assuntos
Aorta/patologia , Aneurisma Aórtico/etiologia , Dissecção Aórtica/etiologia , Síndrome de Loeys-Dietz/complicações , Adolescente , Adulto , Idoso , Dissecção Aórtica/cirurgia , Aorta/diagnóstico por imagem , Aneurisma Aórtico/cirurgia , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Síndrome de Loeys-Dietz/genética , Síndrome de Loeys-Dietz/cirurgia , Masculino , Pessoa de Meia-Idade , Receptor do Fator de Crescimento Transformador beta Tipo I/genética , Receptor do Fator de Crescimento Transformador beta Tipo II/genética , Estudos Retrospectivos , Proteína Smad3/genética , Resultado do Tratamento , Adulto Jovem
10.
Radiol Med ; 125(11): 1040-1055, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32939626

RESUMO

Cardiac magnetic resonance (CMR) imaging is an effective method for noninvasively imaging the heart which in the last two decades impressively enhanced spatial and temporal resolution and imaging speed, broadening its spectrum of applications in cardiovascular disease. CMR imaging techniques are designed to noninvasively assess cardiovascular morphology, ventricular function, myocardial perfusion, tissue characterization, flow quantification and coronary artery disease. These intrinsic features yield CMR suitable for diagnosis, follow-up and longitudinal monitoring after treatment of cardiovascular diseases. The aim of this paper is to review the technical basis of CMR, from cardiac imaging planes to cardiac imaging sequences.


Assuntos
Coração/diagnóstico por imagem , Imageamento por Ressonância Magnética/métodos , Técnicas de Imagem Cardíaca/métodos , Doença da Artéria Coronariana/diagnóstico por imagem , Cardiopatias/diagnóstico por imagem , Frequência Cardíaca , Humanos , Imageamento Tridimensional , Angiografia por Ressonância Magnética/métodos , Imagem Cinética por Ressonância Magnética/métodos , Contração Miocárdica , Imagem de Perfusão do Miocárdio , Técnicas de Imagem de Sincronização Respiratória , Fatores de Tempo
11.
J Vasc Surg ; 70(3): 672-682.e1, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30871889

RESUMO

OBJECTIVE: The objective of this study was to assess early and midterm results after endovascular aortic arch repair using a double inner branch stent graft (DIBSG) in patients with aortic arch aneurysm or dissection unfit for open surgery. METHODS: Between 2012 and 2018, there were 24 patients with aortic arch disease who were treated with a single model of a DIBSG (Terumo Aortic, Glasgow, United Kingdom) in nine Italian cardiovascular centers. We investigated technical success, mortality, occurrence of major complications, and need for reintervention in a multicenter, nonrandomized, retrospective fashion. RESULTS: The in-hospital mortality rate was 16.7%. Cerebrovascular events occurred in 25% of patients and major strokes in 12.5%. Two patients experienced a retrograde dissection (8.3%), whereas none reported any type I or type III endoleak. During a mean follow-up of 18 months (range, 1-60 months), one patient died of a nonaortic cause and one reported a nonarch-related major stroke. No late secondary intervention was needed during the follow-up. Excluding from the analysis the first six patients treated until 2014 as part of the learning curve, in-hospital mortality, major stroke, and retrograde dissection rates were 11.1%, 11.1%, and 5.6%, respectively. CONCLUSIONS: Endovascular aortic arch repair using this model of DIBSG is feasible, and results are acceptable for a new technique in a high-risk subset of patients. Operative mortality suffers the effect of a learning curve, whereas midterm aorta-related survival is promising. Endovascular repair of aortic arch disease with a DIBSG should always be considered to give high-risk patients a chance of repair. Large-scale studies are needed to assess the long-term durability of this technique.


Assuntos
Aorta Torácica/cirurgia , Doenças da Aorta/cirurgia , Implante de Prótese Vascular/instrumentação , Prótese Vascular , Procedimentos Endovasculares/instrumentação , Stents , Idoso , Idoso de 80 Anos ou mais , Doenças da Aorta/diagnóstico por imagem , Doenças da Aorta/mortalidade , Implante de Prótese Vascular/efeitos adversos , Implante de Prótese Vascular/mortalidade , Competência Clínica , Procedimentos Endovasculares/efeitos adversos , Procedimentos Endovasculares/mortalidade , Feminino , Mortalidade Hospitalar , Humanos , Itália , Curva de Aprendizado , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/mortalidade , Complicações Pós-Operatórias/terapia , Desenho de Prótese , Sistema de Registros , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
12.
Eur J Vasc Endovasc Surg ; 56(2): 200-208, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-29779910

RESUMO

BACKGROUND: The aim was to assess the long-term outcome of patients diagnosed with type A and type B acute aortic syndromes (AAS) and the mortality risk predictors. METHODS: A single centre retrospective observational study was performed on consecutive patients diagnosed with AAS and discharged between 2000 and 2016: 242 surgically treated type A, 87 uncomplicated, medically treated type B, and 80 complicated type B who received endovascular/surgical/hybrid treatment. Follow up of discharged patients (5 ± 3.9 years) was almost complete by the end of the study (December 2017). RESULTS: The mean age was 65.3 ± 12.5 years, and 70.2% were men. Long-term all cause mortality was 5.4 per 100 patients per year in surgically treated type A AAS patients and 6.7 per 100 patients per year in type B AAS patients (p = .236). The rates of major aorta related events were 6.1 per 100 patients per year and 13.4 per 100 patients per year, respectively (p < .001). Non-aorta related events during long-term follow up occurred in 18.2 per 100 patients per year in type A and 13.8 per 100 patients per year in type B (p = .055). At the end of follow up 279/409 (68.2%) patients (165/242 type A and 114/167 type B) experienced at least one event. CONCLUSIONS: Among patients with either type A or type B AAS surviving the acute phase, the risk of adverse aorta and non-aorta related events, including death, persists during follow up, so that eventually two thirds of patients will experience at least one event. Notably, all cause mortality after type B AAS exceeds that of type A AAS after three years.


Assuntos
Doenças da Aorta/mortalidade , Doenças da Aorta/terapia , Doença Aguda , Idoso , Doenças da Aorta/diagnóstico por imagem , Causas de Morte , Feminino , Seguimentos , Humanos , Itália , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Síndrome , Fatores de Tempo , Resultado do Tratamento
13.
Eur Radiol ; 26(2): 359-69, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26003792

RESUMO

OBJECTIVE: To evaluate image quality and radiation dose of non ECG-gated 128-slice CT angiography of the aorta (CTAA) with fast gantry rotation time and iterative reconstruction. METHODS: Four hundred and eighty patients underwent non ECG-gated CTAA. Qualitative and quantitative image quality assessments were performed. Radiation dose was assessed and compared with the dose of patients who underwent ECG-gated CTAA (n = 126) and the dose of previous CTAA performed with another CT (n = 339). RESULTS: Image quality (aortic root-ascending portion) was average-to-excellent in more than 94% of cases, without any non-diagnostic scan. For proximal coronaries, image quality was average-to-excellent in more than 50%, with only 21.5% of non-diagnostic cases. Quantitative analysis results were also good. Mean radiation dose for thoracic CTAA was 5.6 mSv versus 20.6 mSv of ECG-gated protocol and 20.6 mSv of 16-slice CTAA scans, with an average dose reduction of 72.8% (p < 0.001). Mean radiation dose for thoracic-abdominal CTAA was 9.7 mSv, versus 20.9 mSv of 16-slice CTAA scans, with an average dose reduction of 53.6% (p < 0.001). CONCLUSIONS: Non ECG-gated 128-slice CTAA is feasible and able to provide high quality visualization of the entire aorta without significant motion artefacts, together with a considerable dose and contrast media volume reduction. KEY POINTS: • CT image quality of aortic root-ascending aorta is challenging. • Non ECG-gated scans are often limited by pulsatility artefacts. • ECG-gated examinations are usually limited by high radiation doses. • Non ECG-gated 128-slice low dose CTAA provides high quality images. • 128-slice CTAA low dose protocol could frequently replace ECG-gated CTAA.


Assuntos
Aortografia/métodos , Tomografia Computadorizada por Raios X/métodos , Adulto , Idoso , Idoso de 80 Anos ou mais , Artefatos , Técnicas de Imagem de Sincronização Cardíaca/métodos , Meios de Contraste , Angiografia Coronária/métodos , Eletrocardiografia/métodos , Estudos de Viabilidade , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doses de Radiação , Rotação , Adulto Jovem
14.
J Electrocardiol ; 49(1): 46-54, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-26387880

RESUMO

AIM: To evaluate the diagnostic accuracy of electrocardiographic inferior Q waves persistence during inspiration and echocardiographic segmental wall motion abnormalities for the detection of previously unsuspected silent myocardial infarction, by using cardiac magnetic resonance as the gold standard. METHODS: We prospectively enrolled 50 apparently healthy subjects with inferior Q waves on routine electrocardiogram and high atherosclerotic risk profile. Patients underwent electrocardiogram during deep inspiration, standard transthoracic echocardiography, and cardiac magnetic resonance. RESULTS: Inferior Q waves during deep inspiration persisted in 10 subjects (20%) and cardiac magnetic resonance was positive in 10 (20%). Between the 10 positive cardiac magnetic resonance subjects 8 showed persistence of inferior Q waves, giving a sensitivity of 80% (95%;CI 44.4-97.5%) and a specificity of 95% (95%;CI 83.1-99.4%). Segmental wall motion abnormalities were present overall in 10 subjects (20%), but only in 5 of the 10 positive cardiac magnetic resonance subjects, giving a sensitivity of 87.5% (95% CI 73.2-95.8) and specificity of 50% (95% CI 18.7-81.3). CONCLUSIONS: Electrocardiographic inferior Q waves persistence during deep inspiration is a simple test with a high accuracy for diagnosis of silent myocardial infarction. Standard echocardiography resulted less accurate.


Assuntos
Doenças Assintomáticas , Suspensão da Respiração , Ecocardiografia , Eletrocardiografia , Imagem Cinética por Ressonância Magnética , Infarto do Miocárdio/diagnóstico , Idoso , Feminino , Humanos , Masculino , Valores de Referência , Reprodutibilidade dos Testes , Sensibilidade e Especificidade
15.
Lung ; 193(2): 173-81, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25549894

RESUMO

Eisenmenger's syndrome (ES) is the most advanced form of pulmonary arterial hypertension (PAH) associated with congenital heart diseases (CHD). It is caused by simple or complex CHD with a large systemic-to-pulmonary shunt. When the pulmonary pressure exceeds the systemic pressure, the shunt reverses and central cyanosis appears. ES is a progressive and fatal condition, and it is accompanied by an increased risk of a range of potentially life-threatening complications. Patients with ES are both at risk for bleeding, due to damaged capillaries and high pressure, and for in situ pulmonary thrombosis, related to hyper-viscosity and slow blood flow in dilated pulmonary arteries. Moreover, the enlarged main pulmonary arteries and cardiac chambers may determine displacement or extrinsic compression on airways, pulmonary veins, coronary arteries, and other mediastinal structures. The clinical effects may be diverse, such as respiratory difficulties, localized pulmonary edema, cardiac dysfunction, or sudden death. Multidetector computed tomography (MDCT) allows to accurately assess in a single examination, pulmonary parenchyma and vessels, coronary artery origin, and heart chambers. The aim of this review was to illustrate the thoracic MDCT angiography findings and complications of adult patients with PAH-CHD and in particular of those with ES.


Assuntos
Complexo de Eisenmenger/diagnóstico por imagem , Coração/diagnóstico por imagem , Hipertensão Pulmonar/diagnóstico por imagem , Tomografia Computadorizada Multidetectores , Adulto , Artérias Brônquicas/diagnóstico por imagem , Vasos Coronários/diagnóstico por imagem , Complexo de Eisenmenger/complicações , Humanos , Pulmão/diagnóstico por imagem , Artéria Pulmonar/diagnóstico por imagem , Veias Pulmonares/diagnóstico por imagem
16.
J Vasc Surg ; 60(5): 1204-1208, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-24998839

RESUMO

OBJECTIVE: The objective of this study was to assess midterm results of emergency endovascular stent grafting for patients with life-threatening complications of acute type B aortic dissection. METHODS: Between March 1999 and November 2011, 110 patients (86 men, 24 women) with complications of acute type B aortic dissection (mean age, 61 years; range, 19-87 years) were treated with thoracic endovascular aortic repair for malperfusion (55.5%) or aortic rupture (53.6%) in five major European referral centers and one U.S. referral center. Additional comorbidities included hypertension in 90 patients (82%), diabetes in 14 patients (13%), and chronic obstructive pulmonary disease in six patients (6%). Eleven patients (10%) had undergone previous aortic surgery. RESULTS: Overall hospital mortality was 12% (n = 13), with 14 late deaths after hospital discharge. In-hospital complications occurred in 32 patients (36%); 10 patients developed postoperative renal failure, five patients experienced new permanent neurologic symptoms, and six patients (5.4%) experienced retrograde type A aortic dissection. Furthermore, nine patients (8%) developed an early type I endoleak. Actuarial survival at 1 and 5 years was 85% and 73%, respectively. Postprocedural computed tomography angiography showed complete or partial thrombosis of the false lumen at the stent graft level in 61% and 23% of all patients, respectively. Freedom from treatment failure according to the Stanford classification was 82%, 75%, and 59% at 1, 3, and 5 years. CONCLUSIONS: Endovascular repair of complicated acute type B aortic dissection is proven to be a technically feasible and effective treatment modality in this relatively difficult patient cohort. Short-term and midterm results are persuasive; however, the long-term efficacy needs to be further evaluated.


Assuntos
Aneurisma Aórtico/cirurgia , Dissecção Aórtica/cirurgia , Implante de Prótese Vascular , Procedimentos Endovasculares , Adulto , Idoso , Idoso de 80 Anos ou mais , Dissecção Aórtica/diagnóstico , Dissecção Aórtica/mortalidade , Aneurisma Aórtico/diagnóstico , Aneurisma Aórtico/mortalidade , Aortografia/métodos , Prótese Vascular , Implante de Prótese Vascular/efeitos adversos , Implante de Prótese Vascular/instrumentação , Implante de Prótese Vascular/mortalidade , Emergências , Procedimentos Endovasculares/efeitos adversos , Procedimentos Endovasculares/instrumentação , Procedimentos Endovasculares/mortalidade , Europa (Continente) , Feminino , Mortalidade Hospitalar , Humanos , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Philadelphia , Complicações Pós-Operatórias/mortalidade , Complicações Pós-Operatórias/terapia , Estudos Retrospectivos , Fatores de Risco , Stents , Fatores de Tempo , Tomografia Computadorizada por Raios X , Resultado do Tratamento , Adulto Jovem
17.
Radiol Med ; 119(9): 667-73, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24297597

RESUMO

OBJECTIVE: The authors sought to evaluate the diagnostic accuracy of high-resolution computed tomography (HRCT) in the detection of pulmonary veno-occlusive disease (PVOD) in patients with pre-capillary pulmonary arterial hypertension (PAH) of unknown aetiology, and to identify the role of CT in diagnosis and therapy. MATERIALS AND METHODS: The CT scans of 96 patients were retrospectively reviewed and assessed for specific HRCT findings: ground-glass opacities, septal lines and mediastinal lymph nodal enlargement (short diameter ≥1 cm). According to the HRCT findings, patients were divided into PVOD-suspicious and not PVOD-suspicious. Subsequently, a clinical-instrumental evaluation was performed, and the response to therapy and histopathological reports were evaluated. RESULTS: Radiological evaluation based on HRCT findings revealed 29 patients as PVOD-suspicious and 67 as not PVOD-suspicious. The final diagnosis was PVOD in 22 patients and idiopathic PAH in 74 patients. The CT scan showed 95.5 % sensitivity, 89% specificity, 72.5% positive predictive value, and 98.5% negative predictive value, with a diagnostic accuracy of 90.5% in identifying patients with PVOD. CONCLUSIONS: Chest CT can be considered a screening test in the assessment of patients with PAH of unknown aetiology, and the radiologist can help the clinician to identify patients with CT findings that make PVOD highly probable.


Assuntos
Pneumopatia Veno-Oclusiva/diagnóstico por imagem , Tomografia Computadorizada por Raios X , Adulto , Idoso , Idoso de 80 Anos ou mais , Diagnóstico Diferencial , Feminino , Humanos , Hipertensão Pulmonar/complicações , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Retrospectivos , Sensibilidade e Especificidade
18.
Eur J Cardiothorac Surg ; 65(2)2024 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-37930039

RESUMO

OBJECTIVES: The purpose of the study is to compare the short- and long-term outcomes of the frozen elephant trunk (FET) technique based on 2 different hybrid grafts implanted from January 2007 to July 2022. METHODS: The study includes patients who underwent an elective or emergency FET procedure. Short-term, long-term mortality and freedom from thoracic endovascular aortic repair (TEVAR) were the primary end points. Analyses were carried out separately for the periods 2007-2012 and 2013-2022. RESULTS: Of the 367 enrolled, 49.3% received E-Vita Open implantation and 50.7% received Thoraflex Hybrid implants. Overall mean age was 61 years [standard deviation (SD) = 11] and 80.7% were male. The average annual volume of FET procedures was 22.7 cases/year. Compared to E-Vita Open, patients implanted with Thoraflex Hybrid grafts were more likely to receive distal anastomosis in zone 2 (68.3% vs 11.6%, P < 0.001) with a shorter stent portion, mean = 103mm (SD = 11.3) vs mean = 149 mm (SD = 12.7; P < 0.001) and they underwent a reduced visceral ischaemia time, mean = 42.5 (SD = 14.2) vs mean= 61.0 (SD = 20.2) min, P < 0.001. In the period 2013-2022, overall survival at 1, 2 and 5 years was 74.8%, 72.5% and 63.2% for Thoraflex and 73.2%, 70.7% and 64.1% for E-Vita, without significant differences between groups (log-rank test = 0.01, P = 0.907). Overall freedom from TEVAR at 1, 2 and 5 years was 66.7%, 57.6% and 39.3% for Thoraflex and 79%, 69.7% and 66% for E-Vita, with significant differences between groups (log-rank test = 5.28, P = 0.029). In a competing risk analysis adjusted for chronic/residual aortic syndromes and stent diameter, the Thoraflex group was more likely to receive TEVAR during follow-up (subdistribution hazard ratio SHR = 2.12, 95% confidence interval 1.06-4.22). CONCLUSIONS: The FET technique addresses acute and chronic arch disease with acceptable morbidity and mortality. Downstream endovascular reinterventions are very common during follow-up.


Assuntos
Aneurisma da Aorta Torácica , Dissecção Aórtica , Implante de Prótese Vascular , Humanos , Masculino , Pessoa de Meia-Idade , Feminino , Dissecção Aórtica/cirurgia , Prótese Vascular , Implante de Prótese Vascular/métodos , Estudos Retrospectivos , Aorta/cirurgia , Aneurisma da Aorta Torácica/cirurgia , Aorta Torácica/cirurgia , Resultado do Tratamento
19.
Life (Basel) ; 14(6)2024 May 23.
Artigo em Inglês | MEDLINE | ID: mdl-38929654

RESUMO

This narrative review aims to summarise the classification of vascular anomalies, their clinical presentation, and their radiological features to propose a diagnostic algorithm to approach patients with suspected soft tissue vascular anomalies of the extremities. The management of vascular anomalies necessitates a multidisciplinary approach. Clinical presentation and physical examination are sufficient in most cases to achieve a correct diagnosis. This is especially true for small congenital lesions of the skin and subcutaneous tissue. Imaging is used for accurate characterization of these lesions, especially in cases of atypical or vague clinical presentation, and to assess extension in cases of lesions that are larger and localized in deeper tissues.

20.
J Ultrasound ; 2024 Jun 16.
Artigo em Inglês | MEDLINE | ID: mdl-38879834

RESUMO

The Testicular Juvenile Granulosa Cell Tumor (JGCT) is a rare testicular neoplasm that appears in the first months of life as a painless testicular mass. Following an accurate radiological ultrasound diagnosis, through which the cystic appearance of the lesion is observed, and histological confirmation, showing follicular growth pattern and an immunoreactivity for inhibin, the treatment process involves, when feasible, conservative surgery. We present the case of a 2-months old infant with a bilateral JGCT of the testis and we review the classical findings of the patology.

SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA