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Original articles  SPORT INJURIES AND REHABILITATIONS


The Journal of Sports Medicine and Physical Fitness 2004 June;44(2):173-8

lingua: Inglese

Low-intensity pulsed ultrasound in the conservative treatment of pseudoarthrosis

Pigozzi F. 1, Moneta M. R. 1, Giombini A. 2, Giannini S. 3, Di Cesare A. 4, Fagnani F. 1, Mariani P. P. 1

1 Institute of Movement Sciences University of Rome, Rome, Italy
2 Institute of Sport Science Italian National Olympic Committee, Rome, Italy
3 Post-Graduate School in Sport Medicine University of Rome “Tor Vergata”, Rome, Italy
4 Post-Graduate School in Sport Medicine University of Rome “La Sapienza”, Rome, Italy


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Aim. The man­age­ment of pseu­dar­thro­sis ­remains a chal­lenge. Several in ­vivo ani­mal and con­trolled clin­i­cal stud­ies ­have dem­on­strat­ed ­that low-inten­sity ­pulsed ultra­sound can influ­ence frac­ture heal­ing.
Methods. A pros­pec­tive lon­gi­tu­di­nal ­design was ­used. Fifteen ­patients (12 ­males and 3 ­females; ­mean age 35.5±12.9, ­range 18 to 60), all ama­teur ath­letes, ­under treat­ment for pseu­dar­thro­sis at dif­fer­ent ­sites (aver­age frac­ture age: of 336.6±60.1 ­days) ­were treat­ed ­with a sin­gle 20 min­ dai­ly appli­ca­tion of low-inten­sity ­pulsed ultra­sound (fre­quen­cy 1.5 MHz and inten­sity 30 mW/cm2). All ­patients under­went clin­i­cal exam­ina­tion and ­plain radiog­ra­phy at the begin­ning of treat­ment and ­were fol­lowed up clin­i­cal­ly and radio­graph­i­cal­ly at 4, 8, 12, 16, 20 and 24 ­weeks ­until the frac­ture ­healed.
Results. All frac­tures ­healed ­with a ­mean heal­ing ­time of 94.7±43.8 ­days.
Conclusion. Low-inten­sity ­pulsed ultra­sound is effec­tive in the man­age­ment of ­long stand­ing frac­ture non-­unions. Prospective ran­dom­ized stud­ies are need­ed to con­firm the val­ue of ­this modal­ity of treat­ment.

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