Traumatic fractures of the cervical spine: analysis of changes in incidence, cause, concurrent injuries, and complications among 488,262 patients from 2005 to 2013

…, FA Segreto, CM Jalai, SR Horn, CA Bortz… - World neurosurgery, 2018 - Elsevier
Objective The causes and epidemiology of traumatic cervical spine fracture have not been
described with sufficient power or recency. Our goal is to describe demographics, incidence, …

Predictive model for distal junctional kyphosis after cervical deformity surgery

…, GW Poorman, T Protopsaltis, SR Horn, CA Bortz… - The Spine Journal, 2018 - Elsevier
Background Context Distal junctional kyphosis (DJK) is a primary concern of surgeons
correcting cervical deformity. Identifying patients and procedures at higher risk of developing this …

The five-item modified frailty index is predictive of 30-day postoperative complications in patients undergoing spine surgery

…, K Larsen, W Ahmad, L Passfall, O Krol, C Bortz… - Spine, 2021 - journals.lww.com
Study Design. Retrospective cohort study. Objective. This study aimed to evaluate the utility
of the modified frailty index (mFI-5) in a population of patients undergoing spine surgery. …

Development of a modified cervical deformity frailty index: a streamlined clinical tool for preoperative risk stratification

PG Passias, CA Bortz, FA Segreto, SR Horn, R Lafage… - Spine, 2019 - journals.lww.com
Study Design. Retrospective review. Objective. Develop a simplified frailty index for cervical
deformity (CD) patients. Summary of Background Data. To improve preoperative risk …

Radiographic benefit of incorporating the inflection between the cervical and thoracic curves in fusion constructs for surgical cervical deformity patients

C Bortz, PG Passias, KE Pierce, H Alas… - … Junction and Spine, 2020 - journals.lww.com
Purpose: The aim is to assess the relationship between cervicothoracic inflection point and
baseline disability, as well as the relationship between clinical outcomes and pre-to …

Frequency and implications of concurrent complications following adult spinal deformity corrective surgery

C Bortz, KE Pierce, A Brown, H Alas, L Passfall, O Krol… - Spine, 2021 - journals.lww.com
Study Design. Retrospective review. Objective. Identify co-occurring perioperative
complications and associated predictors in a population of patients undergoing surgery for adult …

Predictors of adverse discharge disposition in adult spinal deformity and associated costs

PG Passias, GW Poorman, CA Bortz, R Qureshi… - The Spine Journal, 2018 - Elsevier
Background Context With advances in the understanding of adult spinal deformity (ASD),
more complex osteotomy and fusion techniques are being implemented with increasing …

A cost benefit analysis of increasing surgical technology in lumbar spine fusion

PG Passias, AE Brown, H Alas, CA Bortz, KE Pierce… - The Spine Journal, 2021 - Elsevier
BACKGROUND CONTEXT Numerous advances have been made in the field of spine fusion,
such as minimally invasive (MIS) or robotic-assisted spine surgery. However, it is unknown …

Traumatic fracture of the pediatric cervical spine: etiology, epidemiology, concurrent injuries, and an analysis of perioperative outcomes using the kids' inpatient …

…, CM Jalai, SR Horn, CA Bortz… - International journal of …, 2019 - ijssurgery.com
Background: The study aimed to characterize trends in incidence, etiology, fracture types,
surgical procedures, complications, and concurrent injuries associated with traumatic pediatric …

Grading of complications after cervical deformity-corrective surgery: are existing classification systems applicable?

CA Bortz, PG Passias, FA Segreto, SR Horn… - Clinical spine …, 2019 - journals.lww.com
Study Design: This is a retrospective review of prospective multicenter cervical deformity (CD)
database. Objective: Assess the impact of complication type and Clavien complication (Cc…