Does vagal nerve stimulation increase right ventricular contraction and relaxation and heart rate?
The present experiments suggest that vagal nerve stimulation releases vasoactive intestinal peptide (VIP) or a "VIP-like substance' that significantly increases right ventricular contraction, relaxation, and heart rate.
The self-centering mechanism of the bipolar endoprosthesis functioned in the patients with osteonecrosis, but did not work in the coxarthrosis group.