Browsing by Author "Cirillo, Ignacio"
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Publication Flexion teardrop fracture of the cervical spine: a narrative review(2025) Cirillo, Ignacio; Blanco, Sebastián; Cabello, Sebastián; Ricciardi, Guillermo; Guiroy, Alfredo; Yurac, Ratko; on behalf AO Spine Latin America Trauma Study GroupTeardrop fractures of the cervical spine are characterized by a triangular-shaped fragment located in the anteroinferior corner of the vertebral body. Flexion-type teardrop fractures are highly unstable injuries resulting from a flexion-compression mechanism. A notable feature of these injuries is retrolisthesis of the vertebral body, which is often associated with a high risk of neurological compromise. The anterior approach is the most commonly used surgical treatment for flexion-type teardrop fractures. In contrast, extension-type teardrop fractures primarily affect the axis vertebral body and are generally stable injuries that can be treated nonoperatively.Publication Risk Factors for Failure of Non-operative Management in Isolated Unilateral Non-displaced Facet Fractures of the Subaxial Cervical Spine: Systematic Review and Meta-Analysis(2024) Cirillo, Ignacio; Ricciardi, Alejandro; Cabrera, Juan Pablo; López Muñoz, Felipe; Romero Vlverde, Lyanne; Joaquim, Andrei; Carazzo, Charles; Yurac, RatkoStudy Design: systematic review.Objective: To evaluate risk factors associated with failure of non-operative management of isolated unilateral facet fractures ofthe subaxial cervical spine in neurologically intact patients.Methods: A systematic review of the PubMed, Embase, LILACS, and Cochrane Library databases was conducted in order todetermine risk factors associated with failure of non-operative management in isolated unilateral facet fractures of the subaxialcervical spine without facet and/or vertebral displacement, in neurologically intact patients. Our research was in line with thePRISMA Statement and registered on PROSPERO (CRD42023405699).Results: A total of 1639 studies were identified through a database search on May 5, 2023. In total, 7 studies from the databaseswere included, along with 1 study found through a manual citation search. The evidence showed high clinical heterogeneity, aserious risk of bias according to the ROBINS-I tool, and a predominance of retrospective cohort studies. In comparison to lesscomplex facet fractures, lateral floating mass fractures were found to have 5.41 times higher odds of failure of non-operativemanagement (OR = 5.41; 95% CI = 1.32, 22.19). We calculated the potential association between lower absolute fracture heightand non-operative treatment success [Fracture height (percentage) Mean Difference = 17.51 ( 28.22, 6.79 95% CI); Absolute height Mean Difference: 0.46 ( 0.60, 0.31 95% CI)]. Other risk factors were not included in the meta-analysis dueto lack of data. The level of certainty was rated as “very low”.Conclusions: Lateral floating mass cervical facet fractures and larger fracture fragment size (measured either in absolute termsor as a percentage) are significant risk factors for failure of non-operative treatment.Publication Risk Factors for Failure of Non-operative Management in Isolated Unilateral Non-displaced Facet Fractures of the Subaxial Cervical Spine: Systematic Review and Meta-Analysis(2025) Cirillo, Ignacio; Ricciardi, Guillermo Alejandro; Cabrera, Juan Pablo; Lopez Muñoz, Felipe; Romero Valverde, Lyanne; Joaquim, Andrei; Carazzo, Charles; Yurac, RatkoStudy Design: systematic review. Objective: To evaluate risk factors associated with failure of non-operative management of isolated unilateral facet fractures of the subaxial cervical spine in neurologically intact patients. Methods: A systematic review of the PubMed, Embase, LILACS, and Cochrane Library databases was conducted in order to determine risk factors associated with failure of non-operative management in isolated unilateral facet fractures of the subaxial cervical spine without facet and/or vertebral displacement, in neurologically intact patients. Our research was in line with the PRISMA Statement and registered on PROSPERO (CRD42023405699). Results: A total of 1639 studies were identified through a database search on May 5, 2023. In total, 7 studies from the databases were included, along with 1 study found through a manual citation search. The evidence showed high clinical heterogeneity, a serious risk of bias according to the ROBINS-I tool, and a predominance of retrospective cohort studies. In comparison to less complex facet fractures, lateral floating mass fractures were found to have 5.41 times higher odds of failure of non-operative management (OR = 5.41; 95% CI = 1.32, 22.19). We calculated the potential association between lower absolute fracture height and non-operative treatment success [Fracture height (percentage) Mean Difference = 17.51 ( 28.22, 6.79 95% CI); Absolute height Mean Difference: 0.46 ( 0.60, 0.31 95% CI)]. Other risk factors were not included in the meta-analysis due to lack of data. The level of certainty was rated as “very low”. Conclusions: Lateral floating mass cervical facet fractures and larger fracture fragment size (measured either in absolute terms or as a percentage) are significant risk factors for failure of non-operative treatment.Publication Time to Surgery for Subaxial Cervical Fractures: A Multicenter Study(2025) Quinteros, Guisela; Ricciardi, Guillermo; Cirillo, Ignacio; Marquez, Edgar; Cabrera, Juan; Carazzo, Charles; Yurac, Ratko; Guiroy, AlfredoObjective: To identify delays for surgery to stabilize subaxial cervical fractures and the main reasons for them across Latin America. Methods: This is a retrospective multicenter cohort study of patients surgically treated for subaxial cervical fractures from 13 spine centers across Latin America from January 1, 2014 to January 1, 2023. Causes of delay to surgery beyond 24 hours were documented. Results: We included 529 patients from 13 institutions in Latin American countries; 408 (77.1%) males and 121 (22.9%) females with a mean age of 43.4 (standard deviation = ±16.2). Predominantly caused by traffic accident (n = 256; 48.4%), followed by fall from height (n = 233; 44%). Mostly, suffered type C fractures (n = 348; 65.8%) and/or neurological injury (n = 384; 72.6%). The time from admission to surgery was >72 hours in 70% of the patients included (n = 375; 70.9%). More than 45% waited longer than a week (n = 257; 48.6%) for spine surgery. Only 12.5% (n = 66) of the patients received surgery in the first 24 hours from admission. The primary reasons for the surgical delay were the necessity for other surgical procedures (n = 161; 34.8%), the unavailability of surgical implants (n = 60; 13.0%), patient clinical instability (n = 55; 11.9%), and delays in referral (n = 38; 8.2%). Conclusions: We documented significant and concerning delays in providing spinal decompression and stabilization surgery to patients with cervical spine fractures. Only 17% of patients have surgery in the recommended time <24 hours, more than half of the patients must wait for more than 72 hours, and nearly half of patients wait for longer than a week.