Wounds
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It is hypothesized that cumulative extended application of extracorporeal shockwave therapy (ESWT) can be beneficial to sustain the effect of ESWT and improve the long-term outcome in chronic diabetic foot ulcers (DFUs). ⋯ The effects of ESWT appear to maintain certain levels for an extended period of time at 1 year but start to show deterioration on tissue viability. Therefore, it is speculated that intermittent booster ESWT may maintain the effects of ESWT and sustain the tissue viability and repairing. The use of ESWT appeared to be effective for DFU treatment, and extended ESWT showed a tendency of sustaining ESWT effects when multiple booster treatments are utilized in patients with a DFU.