Treatment of Lumbar Spinal Stenosis with the HQ (Hernandez and Quintana) interbody screw, with Minimally Invasive Technique
Braulio Hernandez and Eduardo odiano
The Mexican Society of Endoscopic Surgery of the Spine, Mexico
Hospital Obregon, Mexico
: J Spine Neurosurg
Abstract
Lumbar Spinal Stenosis is a frequent ailment that affects people over 50 years. With previous studies by J. Zucherman, and the cadaveric investigations with maximum flexion and extension by W. Rauschning, it was demonstrated that the bulging of the posterior longitudinal ligament and the ligamentum flavum were the main causes of radicular compression; but, the key aspect was that once the interbody space was expanded, the compression was relieved. However, posterior stabilization and interbody arthrodesis should be performed. In this study there were 128 patients divided into 2 groups; the technique was to introduce interbody spacers through Kambin’s triangle. In the first group, the interbody space was opened with Zeus peek spacers, and in the second group, the titanium HQ (Hernández and Quintana) screw was used. The results were good in 85% of the patients with the peek spacers and 90% for the second group with the HQ screw. It was found that the screw spacers were much more stable than the regular spacers, thus presenting far fewer complications.
Biography
Braulio Hernandez has published over 38 articles, in international journals, including the first report of cervical percutaneous arthrodesis. He has also published a book on Lumbar pain, medical and surgical treatment with minimally invasive techniques; with international authors including Jonathan Chiu, Stefan Hellinger, Jorge Felipe Ramirez. Braulio Hernandez is the founder of the Mexican Society of Endoscopic Spine Surgery and every year he organizes a practical and theoretical course of minimally invasive techniques with honored guests like Jonathan Chiu, Antony Yeung, Paul Kambin, and Martin T Knight. Jorge Ramírez, Estefano Hellinger, etc. For 17 years he has been an active member of the Mexican Orthopedic Society, Latin American of Orthopedic Surgery, American Academy of Minimally Invasive Surgery, a Professor at the Autonomous University of Mexico for the Spine program, as well as a professor for the Spine Surgery fellowship at the German Diaz Lombardo Hospital.
