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Dive into the research topics where Luiz Guilherme Carneiro Velloso is active.

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Featured researches published by Luiz Guilherme Carneiro Velloso.


Revista Brasileira De Cirurgia Cardiovascular | 2000

Angiossarcoma de átrio direito

José Carlos R Iglézias; Luiz Guilherme Carneiro Velloso; Luís Alberto Dallan; Luiz Alberto Benvenuti; Geraldo Verginelli; Noedir A. G Stolf

A 19 years-old-female with primary right atrial angiosarcoma partially obstructing the tricuspid valve, developed severe hypoxemia due-to-right to left shunting through a patent foramen ovale. This is the first report of such a clinical situation with this type of tumor. A complete resection of the tumor was attempted, and the right atrium had to be rebuilt with a bovine pericardial patch. Postoperative cranial, thoracic and abdominal CT scans and bone scintigraphy did not show metastatic spread. Chest radiation therapy was started on the third postoperative week. Chemotherapy was not used. The patient died a few months after surgery due to disseminated metastatic disease but no evidence of the tumor was found in the necroscopic study of the heart.


Arquivos Brasileiros De Cardiologia | 2012

Assistência circulatória em choque cardiogênico pós-infarto agudo do miocárdio

Humberto Felício Gonçalves de Freitas; Breno de Alencar Araripe Falcão; Rafael C. Silva; Jamil C. Ribeiro; Luiz Guilherme Carneiro Velloso; Fabio Sandoli de Brito Junior

Em pacientes com insuficiencia coronariana aguda e choque cardiogenico, a mortalidade e alta. O dispositivo mais utilizado para suporte hemodinâmico e o balao intra-aortico que, no entanto, pode ser insuficiente em pacientes com choque cardiogenico refratario. Relato de caso com dois dias de dor precordial opressiva e intensa, irradiada para membro superior esquerdo. ECG com supradesnivelamento anterior. Realizado angioplastia e implante de stent na arteria descendente anterior. Evolucao com choque cardiogenico refratario ao uso de drogas vasoativas e balao intra-aortico. Foram realizadas medidas hemodinâmicas e decidiu-se pela colocacao do Impella® 2,5 por via percutânea para assistencia circulatoria.


Arquivos Brasileiros De Cardiologia | 2010

Endocardite infecciosa com apresentação inicial de abdome agudo

Humberto Felício Gonçalves de Freitas; Paulo Roberto Chizzola; Flavio C Pinha; Luiz Guilherme Carneiro Velloso

A 35-year-old patient was seen in an Emergency Department. with six hours of pain in the right iliac fossa and fever. The hypothesis diagnosis was acute appendicitis and an exploring laparotomy for appendectomy was carried out. The patient returned to the hospital three days after having been discharged. debilitated. feverish. having alterations in speech. reduction in the level of consciousness and complete hemiparesis to the left. The computed tomography scan of the skull and the liquor puncture were normal. Cerebral magnetic resonance image showed aspects compatible with vertebrobasilar ischemic stroke. Transesphofagic echocardiogram showed vegetation of the aortic valve and moderate aortic insufficiency. Blood cultures were positive for Enterococcus bovis.Paciente de 35 anos de idade foi atendido em Servico de Emergencia com seis horas de dor em fossa iliaca direita e febre. Feita hipotese diagnostica de apendicite aguda e realizada laparotomia exploradora. com apendicectomia. O paciente retornou ao hospital tres dias apos alta hospitalar. prostrado. febril. com alteracao de fala. diminuicao de nivel de consciencia e com hemiparesia completa a esquerda. CT scan de crânio e puncao de liquor normal. RMN de encefalo revelou aspectos compativeis com AVC isquemico vertebro-basilar. Ecocardiograma transesofagico demonstrou vegetacao em valva aortica e insuficiencia aortica moderada e hemoculturas foram positivas para Enterococcus bovis.


Arquivos Brasileiros De Cardiologia | 2010

Endocarditis infecciosa con presentación inicial de abdomen agudo

Humberto Felício Gonçalves de Freitas; Paulo Roberto Chizzola; Flavio C Pinha; Luiz Guilherme Carneiro Velloso

A 35-year-old patient was seen in an Emergency Department. with six hours of pain in the right iliac fossa and fever. The hypothesis diagnosis was acute appendicitis and an exploring laparotomy for appendectomy was carried out. The patient returned to the hospital three days after having been discharged. debilitated. feverish. having alterations in speech. reduction in the level of consciousness and complete hemiparesis to the left. The computed tomography scan of the skull and the liquor puncture were normal. Cerebral magnetic resonance image showed aspects compatible with vertebrobasilar ischemic stroke. Transesphofagic echocardiogram showed vegetation of the aortic valve and moderate aortic insufficiency. Blood cultures were positive for Enterococcus bovis.Paciente de 35 anos de idade foi atendido em Servico de Emergencia com seis horas de dor em fossa iliaca direita e febre. Feita hipotese diagnostica de apendicite aguda e realizada laparotomia exploradora. com apendicectomia. O paciente retornou ao hospital tres dias apos alta hospitalar. prostrado. febril. com alteracao de fala. diminuicao de nivel de consciencia e com hemiparesia completa a esquerda. CT scan de crânio e puncao de liquor normal. RMN de encefalo revelou aspectos compativeis com AVC isquemico vertebro-basilar. Ecocardiograma transesofagico demonstrou vegetacao em valva aortica e insuficiencia aortica moderada e hemoculturas foram positivas para Enterococcus bovis.


Arquivos Brasileiros De Cardiologia | 2010

Infective endocarditis with initial presentation of acute abdomen

Humberto Felício Gonçalves de Freitas; Paulo Roberto Chizzola; Flavio C Pinha; Luiz Guilherme Carneiro Velloso

A 35-year-old patient was seen in an Emergency Department. with six hours of pain in the right iliac fossa and fever. The hypothesis diagnosis was acute appendicitis and an exploring laparotomy for appendectomy was carried out. The patient returned to the hospital three days after having been discharged. debilitated. feverish. having alterations in speech. reduction in the level of consciousness and complete hemiparesis to the left. The computed tomography scan of the skull and the liquor puncture were normal. Cerebral magnetic resonance image showed aspects compatible with vertebrobasilar ischemic stroke. Transesphofagic echocardiogram showed vegetation of the aortic valve and moderate aortic insufficiency. Blood cultures were positive for Enterococcus bovis.Paciente de 35 anos de idade foi atendido em Servico de Emergencia com seis horas de dor em fossa iliaca direita e febre. Feita hipotese diagnostica de apendicite aguda e realizada laparotomia exploradora. com apendicectomia. O paciente retornou ao hospital tres dias apos alta hospitalar. prostrado. febril. com alteracao de fala. diminuicao de nivel de consciencia e com hemiparesia completa a esquerda. CT scan de crânio e puncao de liquor normal. RMN de encefalo revelou aspectos compativeis com AVC isquemico vertebro-basilar. Ecocardiograma transesofagico demonstrou vegetacao em valva aortica e insuficiencia aortica moderada e hemoculturas foram positivas para Enterococcus bovis.


Arquivos Brasileiros De Cardiologia | 1992

Malnutrition in dilated cardiomyopathy. Correlation with echocardiographic indices of left ventricular function

Luiz Guilherme Carneiro Velloso; Csengeri Lf; Rosiris Roco Alonso; Cláudia M. L Ciscato; Barreto Ac; Giovanni Bellotti; Fúlvio Pileggi


Arquivos Brasileiros De Cardiologia | 1992

Desnutriçäo na miocardiopatia dilatada: correlaçäo com índices ecocardiográficos da funçäo ventricular esquerda

Luiz Guilherme Carneiro Velloso; Laura Fernandes Csengeri; Rosiris Roco Alonso; Cláudia M. L Ciscato; Antonio Carlos Pereira Barreto; Giovanni Bellotti; Fúlvio Pileggi


Arquivos Brasileiros De Cardiologia | 1997

Inotrópicos, não devem ser prescritos?

Antonio Carlos Pereira Barretto; Luiz Guilherme Carneiro Velloso


Arquivos Brasileiros De Cardiologia | 1992

Tachycardiomyopathy induced by atrial fibrillation

Luiz Guilherme Carneiro Velloso; Santanna Af; Barretto Ac


Arquivos Brasileiros De Cardiologia | 1992

Angiossarcoma primário de atrio direito com forame oval pérvio e hipoxemia severa

Luiz Guilherme Carneiro Velloso; José Carlos R Iglézias; Carlos Vicente Serrano Júnior; Luiz Alberto Benvenuti; Luiz Antonio Moreira César; Antonio Carlos Pereira Barretto

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