User profiles for "author:David Portney"

David Portney

University of Michigan Kellogg Eye Center
Verified email at umich.edu
Cited by 170

COVID-19 and use of teleophthalmology (CUT Group): trends and diagnoses

DS Portney, Z Zhu, EM Chen, E Steppe… - …, 2021 - aaojournal.org
The coronavirus disease 2019 (COVID-19) pandemic altered how clinicians care for
patients. Ophthalmologists saw an estimated 81% drop in volume, the most of any specialty …

Dermatology resident perspectives on practice ownership structures and private equity-backed group practices

T Novice, D Portney, M Eshaq - Clinics in Dermatology, 2020 - Elsevier
Recently, dermatology group practice ownership structures have changed, as private equity
(PE) consolidates independent dermatology practices to create larger groups. Currently …

Engaging telehealth to drive value-based urology

PK Modi, D Portney, BK Hollenbeck… - Current opinion in …, 2018 - journals.lww.com
Maximizing the value of healthcare is an important goal for hospitals, physicians, and
policymakers. Telehealth leverages advances in technology and the widespread availability …

Practice patterns and outcomes of intravitreal anti-VEGF injection for retinopathy of prematurity: an international multicenter study

NA Patel, LA Acaba-Berrocal, S Hoyek, KC Fan… - Ophthalmology, 2022 - Elsevier
Purpose To report practice patterns of intravitreal injections of anti-VEGF for retinopathy of
prematurity (ROP) and outcomes data with a focus on retreatments and complications …

[PDF][PDF] Physician leadership during the COVID-19 pandemic: an emphasis on the team, well-being and leadership reasoning

TC Standiford, K Davuluri, N Trupiano, D Portney… - BMJ …, 2020 - bmjleader.bmj.com
Background The COVID-19 pandemic impacted many aspects of normal operations in
academic medicine. While effective leadership is always important, the intensity and …

Comparison in retreatments between bevacizumab and ranibizumab intravitreal injections for retinopathy of prematurity: a multicenter study

NA Patel, LA Acaba-Berrocal, S Hoyek, KC Fan… - Ophthalmology, 2023 - Elsevier
Purpose To compare the types and dosages of anti-vascular endothelial growth factors
(VEGFs) to ascertain whether specific dosages or types of injection were associated with …

[HTML][HTML] Assessing the feasibility of a chatbot after ureteroscopy

SB Goldenthal, D Portney, E Steppe, K Ghani… - Mhealth, 2019 - ncbi.nlm.nih.gov
Background Patients experience common symptoms and/or complications after undergoing
ureteroscopy, which is a common procedure used to treat kidney stones. Current methods …

Economic evaluation of the merit-based incentive payment system for ophthalmologists: analysis of 2019 quality payment program data

ST Berkowitz, J Siktberg, A Gupta, D Portney… - JAMA …, 2022 - jamanetwork.com
Importance The Merit-Based Incentive Payment System (MIPS) is intended to promote high-
value health care through quality-related Medicare payment adjustments. Objective To …

The impact of the COVID-19 lockdown on retinopathy of prematurity screening and management in the United States: a multicenter study

S Sood, MM Naguib, DS Portney, CG Besirli… - Journal of American …, 2023 - Elsevier
Purpose To study the effect of the pandemic-related lockdown (physical distance measures
and movement restrictions) on the characteristics and management of retinopathy of …

Comparison of incremental costs and Medicare reimbursement for simple vs complex cataract surgery using time-driven activity-based costing

DS Portney, ST Berkowitz, DC Garner… - JAMA …, 2023 - jamanetwork.com
Importance Cataract surgery is one of the most commonly performed surgeries across
medicine and an integral part of ophthalmologic care. Complex cataract surgery requires …