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Featured researches published by Montserrat Bret.


Revista Portuguesa De Pneumologia | 2014

Factores de riesgo asociados a la cirugía del adulto con cardiopatía congénita: 22 años de experiencia. ¿Quién debe intervenirlos?

Ángel Aroca; Luz Polo; Napoleón Pérez-Farinós; Ana González; Montserrat Bret; Elizabeth Aguilar; José M. Oliver

OBJECTIVE To assess the association between mortality in surgery of congenital heart disease in adults, and factors related to patients and operations. METHOD Descriptive study of operations performed by specialized surgeons in congenital heart surgery (238), adult acquired surgery (117), and specialty residents (108). The association of mortality with surgical risk and complexity, specialization of surgeon, cardiopulmonary by-pass and aortic cross clamping was assessed fitting logistic regression models. RESULTS A total of 463 operations were included (442 with cardiopulmonary by-pass) in the study performed between 1991 and 2012. Median age at surgery: 34; 52.8% were women. First surgery: 295, reoperation: 168. Median score of Aristotle was 6.8, with significantly higher complexity since 2001, after restructuring the Unit. Overall hospital mortality was 3.9%. Mortality was significantly associated to number of previous surgeries (OR: 5.02; 95%CI: 1.44-17.52), operations by acquired heart disease surgeons (OR: 3.53; 95%CI: 1.14-10.98), higher Aristotle (OR: 1,64; 95%CI: 1.18-2.29), and high cardiopulmonary by-pass time (OR: 1.13; 95%CI: 1.07-1.19). CONCLUSIONS Surgery of congenital heart disease in adults has been performed with low mortality. High complexity interventions, prolonged cardiopulmonary by-pass times and multiple reoperations were associated to higher mortality. Participation of cardiac surgeons specialized in congenital heart disease is associated with better outcomes.


Circulation | 2009

Hypoplasia of the Abdominal Aorta and Hypomelanosis of Ito “Pseudo–Cauda Equina” Imaging

David Vivas; Luis García-Guereta; Montserrat Bret; Dolores Mesa Rubio; Margarita Burgueros; Miriam Gil; Federico Gutiérrez-Larraya

A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …


Clinical Cardiology | 2009

Infective Endocarditis of Unusual Location Following Surgical Correction of a Complex Congenital Heart Disease

Ana Viana-Tejedor; Ángel Sánchez-Recalde; José M. Oliver; Isabel Maté; José A. Sobrino; Montserrat Bret; Esteban López de Sá y Areses; Jose Lopez Sendon

A 40‐year‐old woman from Ecuador diagnosed with a complex congenital heart disease was admitted complaining of fever chills, night sweats, and productive cough 6 months after surgical correction of the anomalies. An echocardiography showed vegetations located on the interatrial pericardium patch. To the best of our knowledge, this is the first reported case of postoperative infective endocarditis on this location. Copyright


Circulation | 2009

Images in Cardiovascular Medicine. Hypoplasia of the abdominal aorta and hypomelanosis of ito: "pseudo-cauda equina" imaging.

David Vivas; Luis García-Guereta; Montserrat Bret; Dolores Mesa Rubio; Margarita Burgueros; Miriam Gil; Federico Gutiérrez-Larraya

A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …


Revista Espanola De Cardiologia | 2017

Complex Coarctation and Anomalous Right Subclavian Artery

Laura Lecina; Luis García-Guereta; Montserrat Bret

We report the case of a 30-day-old infant referred to our hospital with a diagnosis of anomalous right subclavian artery (ARSA) and suspected coarctation of the aorta based on echocardiographic findings. Prenatal ultrasound screening had detected the ARSA and the patient remained asymptomatic from birth with adequate weight gain. Physical examination revealed a systolic murmur, palpable pulses with no difference between upper and lower extremities, and absence of alterations on blood pressure registration. Electrocardiogram and chest radiography were normal. Transthoracic echocardiography showed mild hypertrophy of the left ventricle not affecting the ejection fraction, a bicuspid aortic valve, and dilatation of the ascending aorta. A continuous wave Doppler examination from the suprasternal notch showed a peak systolic pressure gradient in the descending aorta of 60 mmHg with diastolic run-off indicating a severe obstruction at the classical site of a coarctation. Both subclavian arteries had a different origin than usual. Computed tomography (CT) confirmed the ARSA and coarctation of the aorta and demonstrated that subclavian arteries arose distal to the coarctation (Figure 1 and Figure 2), explaining the normal blood pressure in both arms. Because of the severity of the disease, the patient underwent cardiac surgery after diagnosis (reparation of the aortic arch and reimplantation of both subclavian arteries). Figure 1. Figure 2.


Circulation | 2009

Hypoplasia of the Abdominal Aorta and Hypomelanosis of Ito

David Vivas; Luis García-Guereta; Montserrat Bret; Dolores Mesa Rubio; Margarita Burgueros; Miriam Gil; Federico Gutiérrez-Larraya

A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …A 4-year-old girl with hypomelanosis of Ito (HI) was referred to the cardiologist for an absence of pulses in the lower extremities. Medical history included hydrocephalus treated with ventriculoperitoneal shunt and congenital glaucoma. She always remained asymptomatic. Physical examination showed upper-body hypertrophy and a repeatedly measured systolic pressure difference between the upper and lower extremities of 35 mm …


Cirugía Cardiovascular | 2015

Coartación aórtica ± hipoplasia del arco en neonatos y lactantes, ¿abordaje por esternotomía o toracotomía? Una decisión compleja

Luz Polo; Ángel Aroca; Lucía Deiros; Montserrat Bret; Carlos Labrandero; Alvaro González; Juvenal Rey; Marta Ortega; Fernando Villagrá


Cirugía Cardiovascular | 2014

Drenaje venosa pulmonar anómalo total. Técnicas y resultados

Ángel Aroca; Luz Polo; Montserrat Bret; Paloma López-Ortego; Álvaro González; Fernando Villagrá


Pediatric Surgery International | 2010

Microscopic magnetic resonance in congenital diaphragmatic hernia and associated malformations in rats.

Montserrat Bret; A. L. Luis; Emilio Cuesta; Federica Pederiva; Rosa Aras; Leopoldo Martinez; Juan A. Tovar


Revista Espanola De Cardiologia | 2017

Coartación compleja y subclavia derecha aberrante

Laura Lecina; Luis García-Guereta; Montserrat Bret

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Luz Polo

Hospital Universitario La Paz

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Ángel Aroca

Hospital Universitario La Paz

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Dolores Mesa Rubio

Hospital Universitario La Paz

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David Vivas

Cardiovascular Institute of the South

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A. L. Luis

Hospital Universitario La Paz

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Emilio Cuesta

Hospital Universitario La Paz

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Fernando Villagrá

Hospital Universitario La Paz

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