Predicting anesthesia times for diagnostic and interventional radiological procedures

Anesthesia and Analgesia
F DexterAngella J Dow

Abstract

We studied anesthesia times for diagnostic and interventional radiology using anesthesia billing data and paper radiology logbooks. For computerized tomography and magnetic resonance imaging procedures, we tried to predict future anesthesia times by using historical anesthesia times classified by Current Procedural Terminology (CPT) codes. By this method, anesthesia times were estimated even less accurately than operating room cases. Computerized tomography and magnetic resonance imaging had many different CPT codes, most rare, and CPT codes reflected organs imaged, not scanning times. However, when, anesthesia times were estimated by expert judgment, face validity and accuracy were good. Lower and upper prediction bounds were also estimated from the expert estimates. For interventional radiology, predicting anesthesia times was challenging because few CPT codes accounted for most cases. Because interventional radiologists scheduled their elective cases into allocated time, the necessary goal was not to estimate the time to complete each case but rather the time to complete each day's entire series of elective cases including turnover times. We determined the time of day (e.g., 4 pm) up to when interventional radiology could sc...Continue Reading

References

Apr 14, 1999·Anesthesiology·L R FerrariM A Rockoff
Sep 12, 2001·Biometrics·J C YueF C Lin
May 23, 2002·Journal of Medical Systems·William E SpanglerLuis G Vargas
Jun 12, 2002·Nursing Standard·Nora O'Callaghan
Feb 13, 2003·Journal of Clinical Monitoring and Computing·F DexterF Qian
Oct 28, 2005·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Franklin DexterJohannes Ledolter

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Citations

Jul 11, 2006·Current Opinion in Anaesthesiology·Franklin DexterDaniel S Cowen
Apr 11, 2009·International Anesthesiology Clinics·Maria F Galati
Nov 30, 2011·European Journal of Anaesthesiology·Franklin Dexter
Jan 1, 2008·Anesthesia and Analgesia·Ruth E Wachtel, Franklin Dexter
Apr 18, 2009·Anesthesia and Analgesia·Ruth E WachtelAngella J Dow
Feb 27, 2010·Anesthesia and Analgesia·Bettina Smallman, Franklin Dexter
Jun 5, 2013·Anesthesia and Analgesia·Franklin DexterRichard H Epstein
Nov 19, 2014·Anesthesia and Analgesia·Franklin Dexter, Ruth E Wachtel
Jun 13, 2018·A&A Practice·Elie SarrafMitchell H Tsai
Dec 19, 2015·Anesthesia and Analgesia·Franklin DexterBradley J Hindman
Feb 8, 2020·Veterinary Surgery : VS·Michelle M M Hasiuk, Daniel S J Pang
May 3, 2014·Current Opinion in Anaesthesiology·Franklin Dexter, Ruth E Wachtel
Jul 5, 2017·Frontiers in Medicine·Eric R EdelmanWolfgang F F A Buhre

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