Manual lymphatic drainage (MLD) is a specialized hands-on therapy based on the anatomy of the lymph system and is an integral part of lymphedema (swelling .Lymphology. 2011 Mar;44(1):13-20. Impact of manual lymphatic drainage on hemodynamic parameters in patients with heart failure and lower limb edema.BMC Cancer. 2011 Mar 9;11:94. doi: 10.1186/1471-2407-11-94. Manual lymphatic drainage therapy in patients with breast cancer related lymphoedema.Learn about manual lymphatic drainage. Find information.Sep 24, 2018 RMT, Carlie Hickson, explains what manual lymphatic drainage is and how this gentle treatment can make a huge impact on your health.