Scientific letters

• Surgical facemask: an ally of exercise stress echocardiography during the COVID-19 pandemic?

  Rubén Cano Carrizal, Carlos Casanova Rodríguez

  Rev Esp Cardiol. 2021;74:472-4

• Decrease in the number of primary angioplasty procedures during the pandemic and its relationship with mortality from COVID-19. The role of competing risks

  Guillermo Aldama, Fernando Rebollal, Xacobe Flores, Pablo Piñón, Oriol Rodríguez-Leor, José Manuel Vázquez

  Rev Esp Cardiol. 2021;74:474-6

• Diagnostic value of coronary flow reserve determined by echo dipyridamole stress in homozygous familial hypercholesterolemia

  Francesco Sbrana, Emilio M. Pasanisi, Beatrice Dal Pino, Federico Bigazzi, Tiziana Sampietro

  Rev Esp Cardiol. 2021;74:347-9

• A new twist to HeartMate 3 low flow alarms

  Mercedes Rivas-Lasarte, Andrew Scatola, Daniel B. Sims, Stephen J. Forest, Daniel J. Goldstein, Ulrich P. Jorde

  Rev Esp Cardiol. 2021;74:349-51

• TRICENTO transcatheter heart valve for severe tricuspid regurgitation. Initial experience and mid-term follow-up

  Ignacio Cruz-González, Rocío González-Ferreiro, Ignacio J. Amat-Santos, Fernando Carrasco-Chinchilla, Juan H. Alonso Briales, Rodrigo Estévez-Loureiro

  Rev Esp Cardiol. 2021;74:351-4

• Time to climb 4 flights of stairs provides relevant information on exercise testing performance and results

  Jesus Peteiro, Alberto Bouzas-Mosquera

  Rev Esp Cardiol. 2021;74:354-5

• Aortitis: a simulator of intramural aortic hematoma

  Carlos Ferrera, Isidre Vilacosta, Melchor Saiz-Pardo Sanz, Beatriz Cabeza, Aida Ortega, Luis Maroto-Castellanos

  Rev Esp Cardiol. 2021;74:355-7

• Diagnostic accuracy of angiography-based quantitative flow ratio in patients with left main disease

  Ramón López-Palop, Pilar Carrillo, Gunnar Leithold, Araceli Frutos, Eduardo Pinar, Alfonso Freites

  Rev Esp Cardiol. 2021;74:357-9

• Combined use of subcutaneous implantable defibrillator with endovenous left bundle branch pacing in a child with hypertrophic cardiomyopathy

  Francesca Perin, Manuel Molina-Lerma, Juan Jiménez-Jáimez, María del Mar Rodríguez-Vázquez del Rey, Ángeles Ortega, Miguel Álvarez

  Rev Esp Cardiol. 2021;74:265-7

• Prognostic value of indexed pulmonary artery diameter assessed by cardiac magnetic resonance imaging in patients with acute heart failure

  Julio Núñez, Héctor Merenciano-González, Enrique Santas, María Pilar López-Lereu, José Vicente Monmeneu, Ernesto Valero

  Rev Esp Cardiol. 2021;74:267-9

• Valve-in-valve transcatheter aortic valve implantation for bioprosthetic aortic sutureless valve failure: a case series

  Victoria Vilalta, Xavier Carrillo, Eduard Fernández-Nofrerías, Marta González-Lopera, Josepa Mauri, Antoni Bayés-Genís

  Rev Esp Cardiol. 2021;74:269-72

• Changes in the microbiological etiology of infective endocarditis in our region in the last 3 decades (1987-2019)

  Paula Anguita, Juan C. Castillo, José López-Aguilera, Manuela Herrera, Manuel Pan, Manuel Anguita

  Rev Esp Cardiol. 2021;74:272-5

• Contemporary management of postcardiotomy cardiogenic shock: results of a specialized care team

  José Manuel Álvarez Avello, Francisco José Hernández Pérez, Reyes Iranzo Valero, Carlos Esteban Martín, Alberto Forteza Gil, Javier Segovia Cubero

  Rev Esp Cardiol. 2021;74:275-8

• Evolution of electrical and hemodynamic parameters after permanent left bundle branch pacing

  Pau Alonso, Diego Plaza, Ingrid Cardells, Paloma Oltra, Luis Mainar

  Rev Esp Cardiol. 2021;74:278-9

• Association between aortic stenosis and hereditary transthyretin amyloidosis

  Tomás Ripoll-Vera, Jorge Álvarez Rubio, Mercedes Iglesias, Inés Losada López, Asunción Ferrer-Nadal, Juan González Moreno

  Rev Esp Cardiol. 2021;74:185-7

• Neonatal myocardial ischemia and calcifications. Report of a case of generalized arterial calcification of infancy

  Ignacio del Castillo Velilla, Mercedes Ludeña del Río, Jesús Cecilio López-Menchero Oliva, Cristina Ramos Navarro, Eva Bermejo-Sánchez, Natalia Bejarano Ramírez

  Rev Esp Cardiol. 2021;74:187-9

• Changes in minimally invasive congenital cardiac surgery. Moving away from the midline

  Alvise Guariento, Ilias P. Doulamis, David Blitzer, Claudia Cattapan, Massimo A. Padalino, Vladimiro L. Vida

  Rev Esp Cardiol. 2021;74:189-91

• Apical ventricular hypertrophy in the transplanted heart: a 20-year single-center experience

  Lourdes Vicent, Juan Fernández-Yáñez, Roberto Mateos, Iago Sousa-Casasnovas, Francisco Fernández-Avilés, Manuel Martínez-Sellés

  Rev Esp Cardiol. 2021;74:191-4

• Control of LDL-C levels after an acute coronary syndrome in Spain. Are the available treatments adequately used?

  Manuel Anguita Sánchez, Juan J. Gómez Doblas, Vivencio Barrios Alonso

  Rev Esp Cardiol. 2021;74:194-6

• Cardiac dimensions for young adolescent athletes

  Uxua Idiazabal-Ayesa, Mikel Izquierdo, Vicente Elías Ruiz, Robinson Ramírez-Vélez

  Rev Esp Cardiol. 2021;74:196-8