Most centers worldwide use permanent endovenous cardiac electrostimulation in children requiring pacing whose body mass is over 10kg. The normal implantation route is via a subclavian vein puncture. In our Center, we have implanted permanent endovenous pacing systems for complete AV block in nine children with a mean body mass 7.4kg (range 2.45-10kg). The endovenous lead was placed using cephalic vein cutdown procedure. To allow 'sliding' during the child's growth, the lead was secured by absorbable sutures.