There are 2 controlled clinical studies that were not included in the study by Campos et al.. They compared the dilation with Rigiflex balloons directly with LHM and found no significant differences in success rates 1, 10, 11.
Existen 2 estudios clínicos controlados no incluidos en el estudio de Campos y colaboradores, que compararon la DNB con balón Rigiflex contra la MHL, y que no demostraron diferencias significativas en cuanto a la tasa de éxito 1, 10, 11.