Results 11 to 20 of about 14,377 (106)

Aplicación de métodos de curado y su influencia en la resistencia a la compresión del hormigón

Gaceta Técnica, 2022
El curado es de vital importancia en el hormigón ya que consiste en el fraguado y endurecimiento del mismo a través del tiempo, para obtener resistencias a la compresión óptimas. La presente investigación tuvo como objetivo determinar el método de curado
Luis Daniel Zambrano Navarrete, Ronnie Jefferson Alava Santos, Wilter Enrique Ruíz Párraga, Edgar Antonio Menéndez Menéndez   +3 more
semanticscholar   +1 more source

Análisis de ensayo de compresión a material elastómero a base de caucho reciclado granulado

Revista de iniciación científica, 2022
El caucho es un material utilizado en diferentes aplicaciones debido a sus propiedades mecánicas, particularmente, las elásticas. La elaboración de productos a base de caucho reciclado representa una alternativa a la reducción de dicha contaminación.
Jorge Fadul, Javier Batista, N. Marín
semanticscholar   +1 more source

C2 translaminar screw fixation in pediatric occipitocervical fusion

Child's Nervous System, 2022
Rigid occipitocervical (O-C) instrumentation can reduce the anterior pathology and has a high fusion rate in children with craniovertebral instability. Typically, axis (C2) screw fixation utilizes C1–C2 transarticular screws or C2 pars screws.
Young M. Lee, Alex Y Lu, Taemin Oh, Joan Hwang, Daniel C. Lu, P. Sun   +5 more
semanticscholar   +1 more source

The predictive ability of occipital to C3 angle for dysphagia after occipitocervical fusion in patients with combined C2–3 Klippel-Feil syndrome

BMC Musculoskeletal Disorders, 2022
Background Improper occipitocervical alignment after occipitocervical fusion (OCF) may lead to devastating complications, such as dysphagia and/or dyspnea.
Q. Zou, Lin-nan Wang, Xi Yang, Yueming Song, Limin Liu, Lei Wang, Zhongjie Zhou, Bo-wen Hu, Taiyong Chen, Hao Liu   +9 more
semanticscholar   +1 more source

A Novel Technique for Occipitocervical Fusion with Triple Rod Connection to Prevent Implant Failure

Cureus, 2022
Occipitocervical fusion is an effective surgical method for treating various upper cervical disorders. However, complications such as implant failure due to rod breakage have been reported.
Fumihiko Eto, Hiroshi Takahashi, T. Funayama, M. Koda, M. Yamazaki   +4 more
semanticscholar   +1 more source

Sequential sagittal alignment changes in the cervical spine after occipitocervical fusion

World Journal of Clinical Cases, 2022
BACKGROUND There are few studies regarding sequential changes in the sagittal alignment of the upper and lower cervical regions of the spine after occipitocervical fusion (OCF).
Ce Zhu, Lin-nan Wang, Taiyong Chen, Li-Li Mao, Xi Yang, Gan-jun Feng, Li-min Liu, Yueming Song   +7 more
semanticscholar   +1 more source

Predictive ability of pharyngeal inlet angle for the occurrence of postoperative dysphagia after occipitocervical fusion

BMC Musculoskeletal Disorders, 2021
Background PIA has been proven to be a predictor for postoperative dysphagia in patients who undergo occipitospinal fusion. However, its predictive effect for postoperative dysphagia in patients who undergo OCF is unknown.
Lin-nan Wang, Bo-wen Hu, Yueming Song, Li-min Liu, Chunguang Zhou, Lei Wang, Xi Yang   +6 more
semanticscholar   +1 more source

Síndrome de Grisel en paciente pediátrico – Artrodesis occipitocervical. Reporte de Caso [PDF]

, 2022
El síndrome de Grisel o subluxación atlantoaxoidea es una luxación rotatoria no traumática, un trastorno de la columna cervical también conocida como la desalineación de la primera (atlas) y la segunda (axis) vértebra cervical.
Flecha Salgueiro, Ítalo Giovanni, Miño Riveros, Mirna Melissa   +1 more
core   +1 more source

Surgical treatment for upper cervical deformity with atlantoaxial joint dislocation using individualized 3D printing occipitocervical fusion instrument

Medicine, 2021
To introduce a novel technique of using individualized 3D printing occipitocervical fusion instrument (3D-OCF) for the treatment of upper cervical deformity with atlantoaxial joint dislocation.
G. Niu, Hui Chen, Lutan Liu, Gong Zhou, Qiankun Zhou, Chao-hua Li, J. Dai, Hu Nie, Jianzhong Bai, Jingquan Zhang   +9 more
semanticscholar   +1 more source

Safety analysis and complications of condylar screws in a single-surgeon series of 250 occipitocervical fusions

Acta Neurochirurgica, 2021
Objective Condylar screw fixation is a rescue technique and an alternative to the conventional configuration of occipitocervical fusion. Condylar screws are utilized when previous surgical bone removal along the supraocciput has occurred which makes ...
Sharon Ka Po. Tam, P. Bolognese, R. Kula, A. Brodbelt, M. Foroughi, M. Avshalumov, Denmark Mugutso, Ilene S Ruhoy   +7 more
semanticscholar   +1 more source