![]() The most common adverse event was swelling in the foot, reported by five subjects (15.6%). The success/fail criteria was evaluated again at the 6- and 12-month followup, showing treatment success rates of 89% (23/26) and 90% (18/20), respectively. The overall success rate at the 12-week visit was 71% with low complications, significant pain improvement as well as improvement on the SF-36. All subjects were followed for 1 year after treatment at intervals of 12 weeks, 6, 9, and 12 months. The mean ESWT application time for each of the treatments was 24.6 +/- 16.6 minutes, and anesthesia time averaged 27.1 +/- 10.4 minutes. ESWT application was conducted using a protocol totaling 2,000 shocks for a total energy application of approximately 0.22 to 0.51 mJ/mm2 per treatment. All fractures were at least 10 (range, 10 to 833) weeks after injury, with a median of 23 weeks. In a prospective single-arm, multi-center study, 34 fractures were treated in 32 patients (two subjects had two independent fractures) with ESWT. Nonunion or delayed union of fractures in the proximal aspect of metatarsals 1 to 4 and Zone 2 of the fifth metatarsal were treated by high energy extracorporeal shock wave treatment (ESWT) to study the safety and efficacy of this method of treatment in a FDA study of the Ossatron device. All rights reserved.Įxtracorporeal shock wave treatment of non- or delayed union of proximal metatarsal fractures.Īlvarez, Richard G Cincere, Brandon Channappa, Chandra Langerman, Richard Schulte, Robert Jaakkola, Juha Melancon, Keith Shereff, Michael Cross, G Lee The findings of this study also suggest the use of LIPUS to be a cost effective treatment modality compared to surgical management. There is a role for the use of LIPUS in delayed union of fifth metatarsal fractures and can serve as an adjunct prior to consideration of surgery. ![]() Assuming that there were 10 delayed unions a year and 6 went on to non-union as previously suggested by a systematic review, the cost savings of using LIPUS (90% success rate 10 LIPUS machine and surgery for 1 non-union) vs operative intervention (surgery for 6 non-union) equates to a cost saving of £7765 a year. Smoking (p=0.014) was predictive of non-union. Twenty-seven (90%) patients went on to progress to union clinically and radiologically following LIPUS treatment. Type 2 fractures made up 43% of our cohort. There were thirty patients (9 males, 21 females) in this cohort. A retrospective review of patients who were treated with LIPUS following a delayed union of fifth metatarsal fracture was conducted over a three-year period. The aim of this study is to investigate the use of LIPUS treatment for delayed union of fifth metatarsal fractures. ![]() There are no studies looking at the success rate of low-intensity pulsed ultrasound (LIPUS) in fifth metatarsal fracture delayed unions to our knowledge. ![]() Teoh, Kar Hao Whitham, Robert Wong, Jenny F Hariharan, Kartik The use of low-intensity pulsed ultrasound in treating delayed union of fifth metatarsal fractures. ![]()
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