Aortic regurgitation management: a systematic review of clinical practice guidelines and recommendations.

Guidelines for the diagnosis and management of aortic regurgitation (AR) contain recommendations that do not always match. We systematically reviewed clinical practice guidelines and summarized similarities and differences in the recommendations as well as gaps in evidence on the management of AR. We searched MEDLINE and Embase (1 January 2011 to 1 September 2021), Google Scholar, and websites of relevant organizations for contemporary guidelines that were rigorously developed as assessed by the Appraisal of Guidelines for Research and Evaluation II tool.

Association between mitral annular calcification and progression of mitral and aortic stenoses.

Background: Mitral annular calcification (MAC) is a chronic degenerative process affecting the annular fibrosus of the mitral valve. We sought to examine the relationship between MAC and the progression of valve disease.

Methods: The echocardiography database was searched for patients with MAC who had undergone at least two studies more than 1 year apart.

Assessment of genetic diversity and phylogenetic relationship of Limousin herds in Hungary using microsatellite markers.

Objective: This study was conducted to investigate basic information on genetic structure and characteristics of Limousin population in Hungary. Obtained results will be taken into consideration when adopting the new breeding strategy by the Association of Hungarian Limousin and Blonde d'Aquitaine Breeders (AHLBB).

Methods: Genetic diversity and phylogenetic relationship of 3,443 Limousin cattle from 16 different herds were investigated by performing genotyping using 18 microsatellite markers.