The Pfirrmann classification of lumbar intervertebral disc degeneration: an independent inter-and intra-observer agreement assessment J Urrutia, P Besa, M Campos, P Cikutovic, M Cabezon, M Molina, JP Cruz European Spine Journal 25, 2728-2733, 2016 | 142 | 2016 |
Long-term results of surgical treatment of dysphagia secondary to cervical diffuse idiopathic skeletal hyperostosis J Urrutia, CM Bono The Spine Journal 9 (9), e13-e17, 2009 | 109 | 2009 |
Lumbar paraspinal muscle fat infiltration is independently associated with sex, age, and inter-vertebral disc degeneration in symptomatic patients J Urrutia, P Besa, D Lobos, M Campos, C Arrieta, M Andia, S Uribe Skeletal radiology 47, 955-961, 2018 | 91 | 2018 |
Early histologic changes following polymethylmethacrylate injection (vertebroplasty) in rabbit lumbar vertebrae J Urrutia, CM Bono, P Mery, C Rojas Spine 33 (8), 877-882, 2008 | 88 | 2008 |
The Spine Instability Neoplastic Score: an independent reliability and reproducibility analysis M Campos, J Urrutia, T Zamora, J Román, V Canessa, Y Borghero, ... The Spine Journal 14 (8), 1466-1469, 2014 | 87 | 2014 |
An independent interobserver reliability and intraobserver reproducibility evaluation of the new AOSpine Thoracolumbar Spine Injury Classification System J Urrutia, T Zamora, R Yurac, M Campos, J Palma, S Mobarec, C Prada Spine 40 (1), E54-E58, 2015 | 84 | 2015 |
Cervical pyogenic spinal infections: are they more severe diseases than infections in other vertebral locations? J Urrutia, T Zamora, M Campos European Spine Journal 22, 2815-2820, 2013 | 73 | 2013 |
Lumbar scoliosis in postmenopausal women: prevalence and relationship with bone density, age, and body mass index J Urrutia, C Diaz-Ledezma, J Espinosa, SH Berven Spine 36 (9), 737-740, 2011 | 59 | 2011 |
Factors associated with avascular necrosis of the femoral head and nonunion in patients younger than 65 years with displaced femoral neck fractures treated with reduction and … D Schweitzer, P Melero, A Zylberberg, J Salabarrieta, J Urrutia European Journal of Orthopaedic Surgery & Traumatology 23, 61-65, 2013 | 55 | 2013 |
Is a single-level measurement of paraspinal muscle fat infiltration and cross-sectional area representative of the entire lumbar spine? J Urrutia, P Besa, D Lobos, M Andia, C Arrieta, S Uribe Skeletal Radiology 47, 939-945, 2018 | 52 | 2018 |
An independent inter-and intraobserver agreement evaluation of the AOSpine subaxial cervical spine injury classification system J Urrutia, T Zamora, R Yurac, M Campos, J Palma, S Mobarec, C Prada Spine 42 (5), 298-303, 2017 | 49 | 2017 |
Clinical and imaging findings in patients with aggressive spinal hemangioma requiring surgical treatment J Urrutia, R Postigo, R Larrondo, A San Martin Journal of Clinical Neuroscience 18 (2), 209-212, 2011 | 49 | 2011 |
A comparative agreement evaluation of two subaxial cervical spine injury classification systems: the AOSpine and the Allen and Ferguson schemes J Urrutia, T Zamora, M Campos, R Yurac, J Palma, S Mobarec, C Prada European Spine Journal 25, 2185-2192, 2016 | 44 | 2016 |
The new AO classification system for intertrochanteric fractures allows better agreement than the original AO classification. An inter-and intra-observer agreement evaluation I Klaber, P Besa, F Sandoval, D Lobos, T Zamora, D Schweitzer, J Urrutia Injury 52 (1), 102-105, 2021 | 39 | 2021 |
Spondylolysis and spina bifida occulta in pediatric patients: prevalence study using computed tomography as a screening method J Urrutia, J Cuellar, T Zamora European Spine Journal 25, 590-595, 2016 | 38 | 2016 |
Can the Surgical Apgar Score predict morbidity and mortality in general orthopaedic surgery? J Urrutia, M Valdes, T Zamora, V Canessa, J Briceno International orthopaedics 36, 2571-2576, 2012 | 36 | 2012 |
Factors associated with variability in length of sick leave because of acute low back pain in Chile C Diaz-Ledezma, J Urrutia, J Romeo, A Chelen, L González-Wilhelm, ... The Spine Journal 9 (12), 1010-1015, 2009 | 35 | 2009 |
The fifty most cited Latin-American articles in the orthopaedic literature J Urrutia, T Zamora, C Prada International orthopaedics 38, 1723-1729, 2014 | 32 | 2014 |
An assessment of the Surgical Apgar Score in spine surgery J Urrutia, M Valdes, T Zamora, V Canessa, J Briceno The spine journal 15 (1), 105-109, 2015 | 31 | 2015 |
The prevalence of degenerative or incidental findings in the lumbar spine of pediatric patients: a study using magnetic resonance imaging as a screening tool J Urrutia, T Zamora, C Prada European Spine Journal 25, 596-601, 2016 | 30 | 2016 |