User profiles for Andrew B. Koo

Andrew B Koo

Yale School of Medicine
Verified email at yale.edu
Cited by 937

Higher Hospital Frailty Risk Score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial …

AB Koo, AA Elsamadicy, D Renedo… - Journal of …, 2023 - jnis.bmj.com
Aim To use the Hospital Frailty Risk Score (HFRS) to investigate the impact of frailty on
complication rates and healthcare resource utilization in patients who underwent endovascular …

Hospital frailty risk score and healthcare resource utilization after surgery for metastatic spinal column tumors

AA Elsamadicy, AB Koo, BC Reeves… - … of Neurosurgery: Spine, 2022 - thejns.org
OBJECTIVE The Hospital Frailty Risk Score (HFRS) was developed utilizing ICD-10 diagnostic
codes to identify frailty and predict adverse outcomes in large national databases. While …

Laser interstitial thermal therapy (LITT) vs. bevacizumab for radiation necrosis in previously irradiated brain metastases

…, AA Elsamadicy, JP Antonios, AB Koo… - Journal of Neuro …, 2020 - Springer
Purpose Both laser interstitial thermal therapy (LITT) and bevacizumab have been used
successfully to treat radiation necrosis (RN) after radiation for brain metastases. Our purpose is …

Direct carotid puncture for mechanical thrombectomy in acute ischemic stroke patients with prohibitive vascular access

…, A Silverman, A Wang, F Chouairi, AB Koo… - Journal of …, 2020 - thejns.org
OBJECTIVE While the benefit of mechanical thrombectomy (MT) for patients with anterior
circulation acute ischemic stroke with large-vessel occlusion (AIS-LVO) has been clearly …

Hospital frailty risk score predicts adverse events and readmission following a ventriculoperitoneal shunt surgery for normal pressure hydrocephalus

AB Koo, AA Elsamadicy, D Renedo, M Sarkozy… - World Neurosurgery, 2023 - Elsevier
Objective The aim of this study was to evaluate the impact of a Hospital Frailty Risk Score (HFRS)
on unplanned readmission and health care resource utilization in normal pressure …

Comparison of epidemiology, treatments, and outcomes in pediatric versus adult ependymoma

AA Elsamadicy, AB Koo, WB David, V Lee… - Neuro-oncology …, 2020 - academic.oup.com
Background Mounting evidence supports the presence of heterogeneity in the presentation
of ependymoma patients with respect to location, histopathology, and behavior between …

Utilization of machine learning to model important features of 30-day readmissions following surgery for metastatic spinal column tumors: the influence of frailty

AA Elsamadicy, AB Koo, BC Reeves… - Global Spine …, 2024 - journals.sagepub.com
Study Design Retrospective cohort study Objective The aim of this study was to determine
the relative importance and predicative power of the Hospital Frailty Risk Score (HFRS) on …

Modified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and …

AA Elsamadicy, IG Freedman, AB Koo, WB David… - The Spine Journal, 2021 - Elsevier
BACKGROUND CONTEXT Frailty has been associated with inferior surgical outcomes in
various fields of spinal surgery. With increasing healthcare costs, hospital length of stay (LOS) …

Assessment of frailty indices and Charlson Comorbidity Index for predicting adverse outcomes in patients undergoing surgery for spine metastases: a national …

…, JL Havlik, B Reeves, J Sherman, AB Koo… - World neurosurgery, 2022 - Elsevier
Objective The aim of this study was to assess the predictive ability of Metastatic Spinal Tumor
Frailty Index (MSTFI) and the Modified 5-Item Frailty Index (mFI-5) on adverse outcomes, …

Independent association of obesity and nonroutine discharge disposition after elective anterior cervical discectomy and fusion for cervical spondylotic myelopathy

AB Koo, AA Elsamadicy, M Sarkozy, WB David… - World neurosurgery, 2021 - Elsevier
Objective The prevalence of obesity continues to rise in the United States at a disparaging
rate. Although previous studies have attempted to identify the influence obesity has on short-…