Antonio Ponzo

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PURPOSE To determine whether an anterior cruciate ligament (ACL)-reconstructed knee with hamstring autograft has a greater incidence of degenerative changes when an extra-articular reconstruction is added and to determine the effect of the combined reconstruction on knee stability and function at long-term follow-up. METHODS For this retrospective study,(More)
The aim of this study was to compare clinical and arthrometrical results of a series of patients older than 40 years with those of younger patients following anterior cruciate ligament (ACL) reconstruction. The hypothesis of this study was that certain biological and biomechanical factors related to middle-aged patients, ACL reconstruction would provide(More)
BACKGROUND Contrast echocardiography during the decompression phase of the Valsalva manoeuvre in course of transesophageal echo study is the ideal method to identify patent foramen ovale. METHODS In order to evaluate the incidence of patent foramen ovale in patients with different cardiac diseases we performed contrast injection in 211 consecutive pts(More)
This open-access article is published and distributed under the Creative Commons Attribution NonCommercial No Derivatives License (, which permits the noncommercial use, distribution, and reproduction of the article in any medium, provided the original author and source are credited. You may not alter,(More)
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