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

KE Pierce, S Naessig, N Kummer, K Larsen, W Ahmad… - 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. …
Save Cite Cited by 43 Related articles All 5 versions

The clinical impact of failing to achieve ideal proportional realignment in adult spinal deformity patients

…, S Owusu-Sarpong, E Dhillon, O Krol, NA Kummer… - Spine, 2022 - journals.lww.com
Objective. To identify the clinical impact of failing to achieve GAP proportionality in ASD
surgery. Study Design. Retrospective cohort. Methods. Operative ASD patients with fusion to S1/…
Save Cite Cited by 12 Related articles All 5 versions
[HTML] nih.gov

[HTML][HTML] Prioritization of realignment associated with superior clinical outcomes for cervical deformity patients

…, CA Bortz, H Alas, L Passfall, O Krol, N Kummer… - Neurospine, 2021 - ncbi.nlm.nih.gov
Methods Included: cervical deformity (CD) patients (C2–7 Cobb angle> 10, cervical lordosis>
10, cervical sagittal vertical axis [cSVA]> 4 cm, or chin-brow vertical angle> 25) with full …
Save Cite Cited by 11 Related articles All 15 versions
[PDF] duke.edu

Comparing and Contrasting the Clinical Utility of Sagittal Spine Alignment Classification Frameworks: Roussouly: Versus: SRS-Schwab

PG Passias, C Bortz, KE Pierce, L Passfall, NA Kummer… - Spine, 2022 - journals.lww.com
Study Design. Retrospective cohort study of a prospectively collected database. Objective.
To compare clinical utility of two common classification systems for adult spinal deformity (ASD…
Save Cite Cited by 13 Related articles All 9 versions

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

…, A Brown, H Alas, L Passfall, O Krol, NA Kummer… - 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 …
Save Cite Cited by 10 Related articles All 7 versions

A risk-benefit analysis of increasing surgical invasiveness relative to frailty status in adult spinal deformity surgery

…, K Pierce, H Alas, W Ahmad, L Passfall, N Kummer… - Spine, 2021 - journals.lww.com
Study Design. Retrospective review of a prospectively enrolled multicenter Adult Spinal
Deformity (ASD) database. Objective. Investigate invasiveness and outcomes of ASD surgery by …
Save Cite Cited by 11 Related articles All 11 versions
[PDF] duke.edu

The additional economic burden of frailty in adult cervical deformity patients undergoing surgical intervention

PG Passias, NA Kummer, TK Williamson, W Ahmad… - Spine, 2022 - journals.lww.com
Objective. To assess the influence of baseline frailty status on the economic burden of CD
surgery Study Design. Retrospective cohort. Materials and Methods. CD patients with frailty …
Save Cite Cited by 5 Related articles All 8 versions

Not frail and elderly: how invasive can we go in this different type of adult spinal deformity patient?

…, S Naessig, W Ahmad, O Krol, NA Kummer… - Spine, 2021 - journals.lww.com
Study Design. Retrospective review of a single-center spine database. Objective. Investigate
the intersections of chronological age and physiological age via frailty to determine the …
Save Cite Cited by 9 Related articles All 8 versions
[PDF] duke.edu

Appropriate risk stratification and accounting for age-adjusted reciprocal changes in the thoracolumbar spine reduces the incidence and magnitude of distal junctional …

PG Passias, C Bortz, KE Pierce, NA Kummer, R Lafage… - Spine, 2021 - journals.lww.com
Study Design. Retrospective cohort study of a prospective cervical deformity (CD) database.
Objective. Identify factors associated with distal junctional kyphosis (DJK); assess …
Save Cite Cited by 9 Related articles All 8 versions

Establishing the minimal clinically important difference for the PROMIS Physical domains in cervical deformity patients

…, W Ahmad, L Passfall, O Krol, NA Kummer… - Journal of Clinical …, 2022 - Elsevier
Introduction Patient Reported Outcome Measurement Information System (PROMIS) instruments
have been shown to correlate with established patient outcome metrics. The aim of this …
Save Cite Cited by 6 Related articles All 4 versions