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Dive into the research topics where Danielle Masursky is active.

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Featured researches published by Danielle Masursky.


Anesthesia & Analgesia | 2009

Both Bias and Lack of Knowledge Influence Organizational Focus on First Case of the Day Starts

Elisabeth U. Dexter; Franklin Dexter; Danielle Masursky; Michael P. Garver; Nancy A. Nussmeier

BACKGROUND: The economic costs of reducing first case delays are often high, because efforts need to be applied to multiple operating rooms (ORs) simultaneously. Nevertheless, delays in starting first cases of the day are a common topic in OR committee meetings. METHODS: We added three scientific questions to a 24 question online, anonymous survey performed before the implementation of a new OR information system. The 57 respondents cared sufficiently about OR management at the United States teaching hospital to complete all questions. RESULTS: The survey revealed reasons why personnel may focus on the small reductions in nonoperative time achievable by reducing tardiness in first cases of the day. (A) Respondents lacked knowledge about principles in reducing over-utilized OR time to increase OR efficiency, based on their answering the relevant question correctly at a rate no different from guessing at random. Those results differed from prior findings of responses at a rate worse than random, resulting from a bias on the day of surgery of making decisions that increase clinical work per unit time. (B) Most respondents falsely believed that a 10 min delay at the start of the day causes subsequent cases to start at least 10 min late (P < 0.0001 versus random chance)


Anesthesia & Analgesia | 2008

Systematic review of general thoracic surgery articles to identify predictors of operating room case durations.

Franklin Dexter; Elisabeth U. Dexter; Danielle Masursky; Nancy A. Nussmeier

BACKGROUND: Previous studies of operating room (OR) information systems data over the past two decades have shown how to predict case durations using the combination of scheduled procedure(s), individual surgeon and assistant(s), and type of anesthetic(s). We hypothesized that the accuracy of case duration prediction could be improved by the use of other electronic medical record data (e.g., patient weight or surgeon notes using standardized vocabularies). METHODS: General thoracic surgery was used as a model specialty because much of its workload is elective (scheduled) and many of its cases are long. PubMed was searched for thoracic surgery papers reporting operative time, surgical time, etc. The systematic literature review identified 48 papers reporting statistically significant differences in perioperative times. RESULTS: There were multiple reports of differences in OR times based on the procedure(s), perioperative team including primary surgeon, and type of anesthetic, in that sequence of importance. All such detail may not be known when the case is originally scheduled and thus may require an updated duration the day before surgery. Although the use of these categorical data from OR systems can result in few historical data for estimating each case’s duration, bias and imprecision of case duration estimates are unlikely to be affected. There was a report of a difference in case duration based on additional information. However, the incidence of the procedure for the diagnosis was so uncommon as to be unlikely to affect OR management. CONCLUSIONS: Matching findings of prior studies using OR information system data, multiple case series show that it is important to rely on the precise procedure(s), surgical team, and type of anesthetic when estimating case durations. OR information systems need to incorporate the statistical methods designed for small numbers of prior surgical cases. Future research should focus on the most effective methods to update the prediction of each case’s duration as these data become available. The case series did not reveal additional data which could be cost-effectively integrated with OR information systems data to improve the accuracy of predicted durations for general thoracic surgery cases.


Anesthesia & Analgesia | 2008

Long-Term Forecasting of Anesthesia Workload In Operating Rooms from Changes in a Hospital's Local Population Can Be Inaccurate

Danielle Masursky; Franklin Dexter; Colleen E. O'leary; Carol Applegeet; Nancy A. Nussmeier

BACKGROUND: Anesthesia department planning depends on forecasting future demand for perioperative services. Little is known about long-range forecasting of anesthesia workload. METHODS: We studied operating room (OR) times at Hospital A over 16 yr (1991–2006), anesthesia times at Hospital B over 26 yr (1981–2006), and cases at Hospital C over 13 yr (1994–2006). Each hospital is >100 yr old and is located in a US city with other hospitals that are >50 yr old. Hospitals A and B are the sole University hospitals in their metropolitan statistical areas (and many counties beyond). Hospital C is the sole tertiary hospital for >375 km. RESULTS: Each hospital’s choice of a measure of anesthesia work to be analyzed was likely unimportant, as the annual hours of anesthesia correlated highly both with annual numbers of cases (r = 0.98) and with American Society of Anesthesiologist’s Relative Value Guide units of work (r = 0.99). Despite a 2% decline in the local population, the hours of OR time at Hospital A increased overall (Pearson r = −0.87, P < 0.001) and for children (r = −0.84). At Hospital B, there was a strong positive correlation between population and hours of anesthesia (r = 0.97, P < 0.001), but not between annual increases in population and workload (r = −0.18). At Hospital C, despite a linear increase in population, the annual numbers of cases increased, declined with opening of two outpatient surgery facilities, and then stabilized. The predictive value of local personal income was low. In contrast, the annual increases in the hours of OR time and anesthesia could be modeled using simple time series methods. CONCLUSIONS: Although growth of the elderly population is a simple justification for building more ORs, managers should be cautious in arguing for strategic changes in capacity at individual hospitals based on future changes in the national age-adjusted population. Local population can provide little value in forecasting future anesthesia workloads at individual hospitals. In addition, anesthesia groups and hospital administrators should not focus on quarterly changes in workload, because workload can vary widely, despite consistent patterns over decades. To facilitate long-range planning, anesthesia groups and hospitals should save their billing and OR time data, display it graphically over years, and supplement with corresponding forecasting methods (e.g., staff an additional OR when an upper prediction bound of workload per OR exceeds a threshold).


Anesthesia & Analgesia | 2010

Meta-analysis of average and variability of time to extubation comparing isoflurane with desflurane or isoflurane with sevoflurane.

Andrew Agoliati; Franklin Dexter; Jason Lok; Danielle Masursky; Muhammad F. Sarwar; Sarah B. Stuart; Emine O. Bayman; Richard H. Epstein

BACKGROUND: We recently determined how to use anesthesia information management system data to model the time from end of surgery to extubation. We applied that knowledge for meta-analyses of trials comparing extubation times after maintenance with desflurane and sevoflurane. In this study, we repeated the meta-analyses to compare isoflurane with desflurane and sevoflurane. METHODS: A Medline search through December 2009 was used to identify studies with (1) humans randomly assigned to isoflurane or desflurane groups without other differences (e.g., induction drugs) between groups, and (2) mean and SD reported for extubation time and/or time to follow commands. The search was repeated for random assignment to isoflurane or sevoflurane groups. We considered extubation times >15 minutes (representing 15% of cases in the anesthesia information management system data) to be prolonged. RESULTS: Desflurane reduced the mean extubation time by 34% and reduced the variability in extubation time by 36% relative to isoflurane. These reductions would reduce the incidence of prolonged extubation times by 95% and 97%, respectively. Sevoflurane reduced the mean extubation time by 13% and reduced the SD by 8.7% relative to isoflurane. These reductions would reduce the incidence of prolonged extubation times by 51% and 35%, respectively. CONCLUSIONS: The pharmacoeconomics of volatile anesthetics are highly sensitive to measurement of relatively small time differences. Therefore, surgical facilities should use these values combined with their local data (e.g., mean baseline extubation times) when making evidence-based management decisions regarding pharmaceutical purchases and usage guidelines.


Anesthesia & Analgesia | 2009

Incentive Payments to Academic Anesthesiologists for Late Afternoon Work Did Not Influence Turnover Times

Danielle Masursky; Franklin Dexter; Michael P. Garver; Nancy A. Nussmeier

BACKGROUND: Anesthesiologists are often paid extra for hours worked in the late afternoon and evening. Although anesthesiologists have little influence on their operating room (OR) assignments and workloads late in the afternoon, they can influence turnover times. METHODS: OR turnover times on workdays were reviewed for n = 30 mo before there was incremental pay, for n = 15 mo with incremental pay for work past 3:30 pm, and for n = 8 mo with pay for work past 4:00 pm. The end point was the percentage of turnovers that were prolonged, defined as longer than 1 h. Turnovers straddling 3:30 pm (n = 3945), 4:00 pm (n = 3602), and 5:00 pm (n = 2834) were studied, as were those straddling 2:00 pm (n = 4407) as a control. In addition, qualitative (survey) assessment of n = 30 anesthesiologists was performed the last month to learn about their opinions on working late on weekdays. RESULTS: Most respondents considered an OR to run late if it finished after a specific time of day (87%, P < 0.001), unrelated to the room’s type of procedures (90%, P < 0.001) or to the payment for working after 4:00 pm (100%, P < 0.001). There was no significant effect of implementation or changes to the incentive program on the incidences of prolonged turnover times at each of the studied times in the afternoon (all P > 0.14). CONCLUSION: Our results suggest that hospital administrators, deans, and other executives need not be especially concerned about disincentives produced by methods of internal compensation of anesthesiologists on highly visible OR turnover times late in afternoons.


Anesthesia & Analgesia | 2008

Operating room nursing directors' influence on anesthesia group operating room productivity.

Danielle Masursky; Franklin Dexter; Nancy A. Nussmeier

BACKGROUND:Implementation of initiatives to increase anesthesia group productivity depends not just on anesthesia groups, but on operating room (OR) nursing administration. OR nursing directors may encourage organizational change based on the needs of their hospitals and nurses. These changes may differ from those that would increase the anesthesia group’s productivity. We assessed reward structures using (A) letters of nomination for the “OR Manager of the Year” award offered annually by the publication OR Manager, and (B) data from a salary/career survey of OR directors by the same publication. METHODS:(A) There were 164 nomination letters submitted from 2004 through 2007 for 45 nominees. The letters contained n = 2659 full sentences and n = 50,821 words. We systematically created a list of 36 terms related to finance, profit, and productivity. We also analyzed the frequency of use of these terms relative to the use of the 15 most common relationship-oriented terms (e.g., compassion, encourage, mentor, and respect). (B) The salary/career survey’s questions relevant to anesthesia group productivity had responses from 303 US OR directors, 97% of whom were nurses. We tested the strength of the relationship between the budget responsibility of the OR nursing director and his or her annual salary. RESULTS:(A) 2.6% of sentences in the nomination letters included at least one term related to profit and productivity (95% confidence interval 2.0%–3.2%). Relationship-oriented terms were 9.0 times more prevalent (95% confidence interval 7.1–11.4). (B) There was statistically significant positive proportionality between the OR nursing director’s operational budget (including personnel) and his or her salary (Pearson r = 0.64, P < 0.001). The 10th percentile of the operational budget was


Anesthesia & Analgesia | 2013

Role of communication systems in coordinating supervising anesthesiologists' activities outside of operating rooms.

Bettina Smallman; Franklin Dexter; Danielle Masursky; Fenghua Li; Reza Gorji; Dave George; Richard H. Epstein

1 million and the 90th percentile was


Anesthesia & Analgesia | 2010

Prospective Trial of Thoracic and Spine Surgeons' Updating of Their Estimated Case Durations at the Start of Cases

Elisabeth U. Dexter; Franklin Dexter; Danielle Masursky; Kimberly A. Kasprowicz

36 million. The budget of


Anesthesia & Analgesia | 2015

Reliability and validity of the anesthesiologist supervision instrument when certified registered nurse anesthetists provide scores.

Franklin Dexter; Danielle Masursky; Bradley J. Hindman

1 million was associated with a salary 22% less than the median and the budget of


Anesthesia & Analgesia | 2008

Predicting orthopedic surgeons' preferences for peripheral nerve blocks for their patients.

Danielle Masursky; Franklin Dexter; Colin J. L. McCartney; Sheldon A. Isaacson; Nancy A. Nussmeier

36 million was associated with a salary 22% larger than the median. CONCLUSION:Through (A) organizational constituencies, and (B) compensation, many US OR nursing directors likely are encouraged to enhance relations with nursing staff, not to champion organizational initiatives that would reduce under-utilized OR time and OR nursing labor costs. Resulting decisions can differ from those that would increase the productivity (profit) of the anesthesia group. Anesthesia groups need to champion initiatives to increase anesthesia productivity, while being sensitive to institutional expectations of nursing directors.

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Nancy A. Nussmeier

State University of New York Upstate Medical University

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Bettina Smallman

State University of New York Upstate Medical University

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Elisabeth U. Dexter

State University of New York Upstate Medical University

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Colleen E. O'leary

State University of New York Upstate Medical University

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