¿Se puede vivir sin la válvula tricúspide? Relato de dos casos de supervivencia de largo plazo

Tricuspid infective endocarditis is rare. Usually occurs associated with the use of drugs or invasive procedures such as hemodialysis, catheters, and pacemakers. Severe injuries may required surgical treatment with complete tricuspid resection with or without immediate replacement. Two cases are reported, both without valve replacement for over 15 and 20 years, respectively, they had later symptoms of heart failure. Volume overload masked the ventricular dysfunction. Determining the strain was important for early detection of ventricular dysfunction. Tricuspid resection without replacement can be used on a temporary basis, being recommended the prosthetic implant as early as possible, to preserve ventricular function.La endocarditis infecciosa tricúspide es poco frecuente. Habitualmente ocurre asociada al uso de drogas o procedimientos invasivos como hemodiálisis, catéteres y marcapasos. Las lesiones graves pueden necesitar tratamiento quirúrgico con resección tricúspide total, con o sin reemplazo inmediato. A continuación se relatan dos casos sin reemplazo valvular por más de 15 y 20 años. Presentaron síntomas de insuficiencia cardíaca tardíamente. La sobrecarga volumétrica enmascaró la disfunción ventricular siendo el strain importante para la detección precoz de la disfunción ventricular. La resección tricúspide sin reemplazo puede utilizarse con carácter temporal, siendo recomendable el implante de prótesis lo más precozmente posible para preservar la función ventricular

NEOTROPICAL ALIEN MAMMALS: a data set of occurrence and abundance of alien mammals in the Neotropics

Biological invasion is one of the main threats to native biodiversity. For a species to become invasive, it must be voluntarily or involuntarily introduced by humans into a nonnative habitat. Mammals were among first taxa to be introduced worldwide for game, meat, and labor, yet the number of species introduced in the Neotropics remains unknown. In this data set, we make available occurrence and abundance data on mammal species that (1) transposed a geographical barrier and (2) were voluntarily or involuntarily introduced by humans into the Neotropics. Our data set is composed of 73,738 historical and current georeferenced records on alien mammal species of which around 96% correspond to occurrence data on 77 species belonging to eight orders and 26 families. Data cover 26 continental countries in the Neotropics, ranging from Mexico and its frontier regions (southern Florida and coastal-central Florida in the southeast United States) to Argentina, Paraguay, Chile, and Uruguay, and the 13 countries of Caribbean islands. Our data set also includes neotropical species (e.g., Callithrix sp., Myocastor coypus, Nasua nasua) considered alien in particular areas of Neotropics. The most numerous species in terms of records are from Bos sp. (n = 37,782), Sus scrofa (n = 6,730), and Canis familiaris (n = 10,084); 17 species were represented by only one record (e.g., Syncerus caffer, Cervus timorensis, Cervus unicolor, Canis latrans). Primates have the highest number of species in the data set (n = 20 species), partly because of uncertainties regarding taxonomic identification of the genera Callithrix, which includes the species Callithrix aurita, Callithrix flaviceps, Callithrix geoffroyi, Callithrix jacchus, Callithrix kuhlii, Callithrix penicillata, and their hybrids. This unique data set will be a valuable source of information on invasion risk assessments, biodiversity redistribution and conservation-related research. There are no copyright restrictions. Please cite this data paper when using the data in publications. We also request that researchers and teachers inform us on how they are using the data