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Effect of Low‐Intensity Pulsed Ultrasound on Distraction Osteogenesis Treatment Time
Author(s) -
Raza Hasnain,
Saltaji Humam,
Kaur Harmanpreet,
Flores-Mir Carlos,
El-Bialy Tarek
Publication year - 2016
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/ultra.15.02043
Subject(s) - medicine , distraction osteogenesis , low intensity pulsed ultrasound , distraction , randomized controlled trial , confidence interval , meta analysis , intensity (physics) , relative risk , clinical trial , publication bias , surgery , dentistry , ultrasound , therapeutic ultrasound , radiology , physics , quantum mechanics , neuroscience , biology
Objectives The objectives of this systematic review with a meta‐analysis were to critically analyze the available scientific literature regarding the effects of low‐intensity pulsed ultrasound (US) on stimulating bone regeneration and bone maturation during distraction osteogenesis in humans and to determine whether the stimulatory effect of low‐intensity pulsed US can effectively reduce the associated treatment time. Methods Studies were considered for inclusion if they were randomized clinical trials that examined the effect of low‐intensity pulsed US on distraction osteogenesis compared to conventional distraction osteogenesis. The primary outcome was reduced treatment time. Study selection, risk of bias assessment, and data extraction were performed in duplicate. A random‐effects meta‐analysis model was used when more than 3 trials were eligible for a quantitative analysis and considering the expected differences in interventions and measurement tools. Results Five randomized clinical trials, with a moderate to high risk of bias, met the eligibility criteria. Four trials examining tibial distraction osteogenesis in 118 patients were combined in a meta‐analysis. A statistically significant difference for reduced treatment time between distraction osteogenesis with low‐intensity pulsed US and standard distraction osteogenesis was evident (mean difference, −15.236 d/cm; random‐effects 95% confidence interval, −19.902 to −10.569 d/cm; P < .0001). As for the mandible, only 1 clinical trial was available, which showed no significant effect of low‐intensity pulsed US therapy on distraction osteogenesis. Conclusions Current available evidence suggests that low‐intensity pulsed US therapy may provide a reduction in the overall treatment time for tibial distraction osteogenesis. However, this conclusion should be considered with caution, given the moderate to high risk of bias in the included randomized clinical trials.