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Dive into the research topics where Yangyang R. Yu is active.

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Featured researches published by Yangyang R. Yu.


Journal of Pediatric Surgery | 2016

Time-driven activity-based costing to identify opportunities for cost reduction in pediatric appendectomy

Yangyang R. Yu; Paulette I. Abbas; Carolyn M. Smith; Kathleen E. Carberry; Hui Ren; Binita Patel; Jed G. Nuchtern; Monica E. Lopez

PURPOSE As reimbursement programs shift to value-based payment models emphasizing quality and efficient healthcare delivery, there exists a need to better understand process management to unearth true costs of patient care. We sought to identify cost-reduction opportunities in simple appendicitis management by applying a time-driven activity-based costing (TDABC) methodology to this high-volume surgical condition. METHODS Process maps were created using medical record time stamps. Labor capacity cost rates were calculated using national median physician salaries, weighted nurse-patient ratios, and hospital cost data. Consumable costs for supplies, pharmacy, laboratory, and food were derived from the hospital general ledger. RESULTS Time-driven activity-based costing resulted in precise per-minute calculation of personnel costs. Highest costs were in the operating room (


Journal of Pediatric Surgery | 2017

Time-driven activity-based costing: A dynamic value assessment model in pediatric appendicitis☆

Yangyang R. Yu; Paulette I. Abbas; Carolyn M. Smith; Kathleen E. Carberry; Hui Ren; Binita Patel; Jed G. Nuchtern; Monica E. Lopez

747.07), hospital floor (


Advances in Surgery | 2017

Can the Diagnosis of Appendicitis Be Made Without a Computed Tomography Scan

Yangyang R. Yu; Sohail R. Shah

388.20), and emergency department (


American Journal of Surgery | 2018

Use of standardized visual aids improves informed consent for appendectomy in children: A randomized control trial

Eric H. Rosenfeld; Monica E. Lopez; Yangyang R. Yu; Caitlin A. Justus; Matthew M. Borges; Rincy C. Mathai; Aleena Karediya; Wei Zhang; Mary L. Brandt

296.21). Major contributors to length of stay were emergency department evaluation (270min), operating room availability (395min), and post-operative monitoring (1128min). The TDABC model led to


Journal of Pediatric Surgery | 2017

Perioperative determinants of transient hypocalcemia after pediatric total thyroidectomy

Yangyang R. Yu; Sara C. Fallon; Jennifer L. Carpenter; Ioanna Athanassaki; Mary L. Brandt; David E. Wesson; Monica E. Lopez

1712.16 in personnel costs and


Journal of Pediatric Surgery | 2017

Magnet foreign body ingestion: rare occurrence but big consequences

Richard Sola; Eric H. Rosenfeld; Yangyang R. Yu; Shawn D. St. Peter; Sohail R. Shah

1041.23 in consumable costs for a total appendicitis cost of


Journal of Pediatric Surgery | 2017

A prospective same day discharge protocol for pediatric appendicitis: Adding value to a common surgical condition

Yangyang R. Yu; Carolyn M. Smith; Kimberly K. Ceyanes; Bindi Naik-Mathuria; Sohail R. Shah; Adam M. Vogel; Kathleen E. Carberry; Jed G. Nuchtern; Monica E. Lopez

2753.39. CONCLUSION Inefficiencies in healthcare delivery can be identified through TDABC. Triage-based standing delegation orders, advanced practice providers, and same day discharge protocols are proposed cost-reducing interventions to optimize value-based care for simple appendicitis. LEVEL OF EVIDENCE II.


Surgery | 2018

Are Foley catheters needed after minimally invasive repair of pectus excavatum

Tyler C. Friske; Richard Sola; Yangyang R. Yu; Abdur R. Jamal; Eric H. Rosenfeld; Huirong Zhu; Mark V. Mazziotti; Shawn D. St. Peter; Sohail R. Shah

OBJECTIVES Healthcare reform policies are emphasizing value-based healthcare delivery. We hypothesize that time-driven activity-based costing (TDABC) can be used to appraise healthcare interventions in pediatric appendicitis. METHODS Triage-based standing delegation orders, surgical advanced practice providers, and a same-day discharge protocol were implemented to target deficiencies identified in our initial TDABC model. Post-intervention process maps for a hospital episode were created using electronic time stamp data for simple appendicitis cases during February to March 2016. Total personnel and consumable costs were determined using TDABC methodology. RESULTS The post-intervention TDABC model featured 6 phases of care, 33 processes, and 19 personnel types. Our interventions reduced duration and costs in the emergency department (-41min, -


Journal of Pediatric Surgery | 2018

Injury patterns of child abuse: Experience of two Level 1 pediatric trauma centers

Yangyang R. Yu; Annalyn S. DeMello; Christopher S. Greeley; Charles S. Cox; Bindi Naik-Mathuria; David E. Wesson

23) and pre-operative floor (-57min, -


Journal of Pediatric Surgery | 2018

Evaluating quality of life of extracorporeal membrane oxygenation survivors using the pediatric quality of life inventory survey

Yangyang R. Yu; Jennifer L. Carpenter; Annalyn S. DeMello; Sundeep G. Keswani; Darrell L. Cass; Oluyinka O. Olutoye; Adam M. Vogel; James A. Thomas; Cole Burgman; Caraciolo J. Fernandes; Timothy C. Lee

18). While post-anesthesia care unit duration and costs increased (+224min, +

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Sohail R. Shah

Baylor College of Medicine

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Eric H. Rosenfeld

Baylor College of Medicine

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Monica E. Lopez

Baylor College of Medicine

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Mary L. Brandt

Baylor College of Medicine

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Richard Sola

Children's Mercy Hospital

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Carolyn M. Smith

Boston Children's Hospital

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Jed G. Nuchtern

Baylor College of Medicine

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