Fracture Nonunions and Delayed Unions Treated With Low-Intensity Pulsed Ultrasound Therapy: A Clinical Series.

The incidence of nonunion of fractures has been steadily rising owing to improved life expectancy following severe injuries along with rising cases of polytrauma. Once a nonunion is established, the chances of spontaneous healing are deemed to be quite low. Fracture nonunion continues to be a challenge in clinical practice with nonunions having a considerable impact on patient's quality of life causing both functional and psychosocial disability. Low-Intensity Pulsed Ultrasound (LIPUS) therapy is being projected as a viable and non-interventional alternative to surgical management of nonunions and delayed unions. LIPUS therapy is being widely recommended as a standalone treatment option for the treatment of established nonunions and delayed unions as it is believed to promote healing in all phases of fracture healing viz., inflammatory, intramembranous ossification, chondrogenesis, endochondral ossification and remodelling. In the current scenario of varying results and unclear clinical role of LIPUS therapy, we present a prospective case series of fracture nonunions and delayed unions treated with LIPUS therapy at a large District General Hospital.