Kyla Terhune, MD, Lesly Dossett, MD, MPH Vanderbilt University Medical Center
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Kyla Terhune, MD, Lesly Dossett, MD, MPHVanderbilt University Medical Center
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At Vanderbilt University Medical Center: Appears to be an increase in “demand”
▪ Aging, sicker, more complex patients
No concomitant increase in residents
July 2003: ACGME restrictions further decrease in supply
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Scenario 1: Residents are working fewer hours… Therefore see fewer patients… Therefore “work” less hard and learn less…
Scenario 2: Patient load and acuity have increased… Even though residents are working fewer hours… They are busier and working harder during that time.
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PRO Safety unchanged
or improved Morale better Education improved No change:
operative cases No change:
mortality
CON Safety declined Attrition higher Quality of med
student education has declined
Significant decline in op cases (assists)
Higher complications
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UT Southwestern (Frankel, H.L., et al. J Trauma, 2006.):
2003: reallocated residents in SICU to comply w 80 hrs
2004: SICU readmission rates (RR) doubled Attributed increased RR to lack of continuity Targeted intervention to reduce RR
UMDNJ (Gordon, C.R., et al., Am Surg, 2006)
Surveyed programs in order to determine strategies Found 37% supplement with non-GS housestaff
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Baylor: Trauma ICU Morrison, C.A., M.M. Wyatt, and M.M. Carrick, J Surg Res, 2009
National Trauma Data Bank (NTDB) 2001-02 (pre) and 2004-05 (post) Mortality decreased significantly
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Admissions to surgical ICUs (BICU, TICU, SICU) at VUMC have increased.
Patient acuity (as measured by hospital days and ventilator days) has increased.
Resident complement and work hours in these units have decreased.
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How do changes in hospital acuity and volume compare to…
resident numbers and work hours in the surgical critical care unit?
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Remember vinyl records?
33 1/3 RPM: pre 80-hour workweek
78 RPM: post 80-hour workweek
My interpretation… Sinatra vs. Chipmunks
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Admissions TICU, BICU, SICU Total initial admissions per month
Acuity ICU-days per patient Hospital-days per patient Ventilator-days per patient (billing charge per 24 h)
Other measures of acuity (APACHE II)
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Numbers General Surgery residents Supplemental residents from other services:
▪ ED residents: TICU▪ Anesthesia: SICU▪ OB/Gyn: SICU
Hours
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1998-2003 “We worked 110-120 hours per week.” 36 hour call (6 am to 6 pm following day) Non-call: 6 am to 6 pm Did not assume days off, given unit months, acuity Call schedule calculated by number of residents at
that level▪ 3 interns: q3▪ 2 seniors on trauma: q2
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Q2 week: 126 hours
Q3 week: 112 hours
Sun Mon Tues Wed Thur Fri Sat
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2003-2008 Hours data from department Missing data (291/3718, 7.8%)
▪ 80 hours (maximum)
Opted for 80: ▪ worked “against” our hypothesis▪ Maximum they would be “allowed” to work
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ICU Admissions ICU days Hospital Days Ventilator Days
“Resident Days” (hours/24 hrs/day) Comparable to total hours
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R2 = 0.4432
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R2 = 0.7101
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Reflect changes in practice
Increase in tracheostomies Decreased sedation Spontaneous breathing trials “Wake up and breathe”
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R2 = 0.9645
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Residents were pulled from other services Pulled residents from other hospitals (loss of primarily operative services)
Initiation of closed units in SICU Dedicated ICU team
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R2 = 0.7124
R2 = 0.6056
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Hours divided by 24 hrs/day Unit similar to Hospital Days or ICU Days
Total resident days have increased Increased number of residents in ICUs But we have “maxed” out our supply
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0.50.70.91.11.31.51.71.92.12.32.5
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Comparing post to pre More ICU admissions per resident days More new patients and higher census
Slope not increasing Proper supplementation of numbers of
residents Numbers are maxed out though…
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Residents may be caring for fewer and fewer patients on ventilators
May reflect change in practice
However, still greater ratio in 2008 than in 1998.
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1998-99 2007-08
Admissions: RDs 1.44 1.68
ICU Days: RDs 6.14 9.38
Hosp Days: RDs 11.49 13.98
Vent Days: RDs 2.40 3.78
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Are the hours correct? Carpenter, R.O., et al., Am J Surg, 2006.
Adjustments prior to initiation of 2003 Physician extenders Moonlighters
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ICU admissions have increased. ICU length of stay has increased. There is an overall increase in volume and acuity.
Redistribution of residents to ICU has been appropriate. But volume is increasing. Resident capacity is maxed out.
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The acuity and volume of work in 2008 during working hours is greater than in 1998.
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Critical Care Tower: November 2009 Need more residents in ICUs? Critical care track? Certainly cannot afford to work fewer hours.
Patient safety Maxed out physician extenders
Educational impact: Removal from operative services? Educational programs in the ICU
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Stephanie Rowe Allison Watts Margaret Tarpley Kelly Dilahuay Linnea Hauge, PhD Kim Schenarts, PhD John Tarpley, MD
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