Association of Implementation of Operating Room-Based Parathyroid Hormone Testing with Operative Time and Cost

Steven Xie, Jonathan Kuriakose, Toni Beninato, Mary Carayannopoulos, Stanley Z. Trooskin, Steven K. Libutti, Amanda M. Laird

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: Intraoperative parathyroid hormone (IOPTH) testing facilitates focused parathyroidectomy to establish biochemical cure but may be time-consuming. A dedicated immunoassay machine was relocated to the operating room for IOPTH. These data seek to determine association of operating room-based IOPTH with operative time, laboratory turnaround time (TAT), and cost. METHODS: Patients who underwent parathyroidectomy from June 2017 to February 2020 were reviewed. Clinical and demographic data, operative time, and TAT were collected. Patients were compared by operation dates pre- or post-machine acquisition. A cost model was created to evaluate cost of care before and after operating room-based testing. Results: A total of 285 patients were included. Post-machine, median operative time decreased from 69 minutes (interquartile range [IQR] 60 to 84) to 57 minutes (IQR 50 to 84.5), p 0.03. Additionally, median TAT for IOPTH values (preoperative, 0, 5, 10, and 15 minutes) decreased post-machine: time preoperative, 29 minutes (IQR 23 to 40) vs 18 minutes (IQR 17 to 23.5), p < 0.001; time 0, 33 minutes (IQR 27 to 39) vs 18.5 minutes (17.5 to 21), p < 0.001; time 5 minutes, 31 minutes (IQR 26 to 36) vs 20 minutes (IQR 18.5 to 21), p < 0.001; time 10 minutes, 32 minutes (IQR 27 to 39) vs 20 minutes (IQR 18.5 to 22.5), p < 0.001; and time 15 minutes, 30 minutes (IQR 26 to 36) vs 19 minutes (IQR 17 to 21), p < 0.001. Total costs pre- and post-machine were $4,442 and $4,111, respectively. With $331 cost reduction per operation and 127 operations per year, the IOPTH machine pays for itself in 3 years, or 378 surgeries, and saves $168,589 in the machine's remaining 4-year life span. Conclusions: Operating room-based parathyroid hormone testing results in improved operating productivity by decreasing result TAT and operative time and reduces cost.

Original languageEnglish (US)
Pages (from-to)906-912
Number of pages7
JournalJournal of the American College of Surgeons
Volume235
Issue number6
DOIs
StatePublished - Dec 1 2022

All Science Journal Classification (ASJC) codes

  • General Medicine

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