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Research

Faculty Research

Faculty Research Projects

  • Wing TJ, Haan L, Ashworth LJ, Anderson J. Limiting Volume with Modern Ventilators. Therapeutic Advances in Respiratory Disease. 2015
  • Asai N, Ohkuni Y, Ashworth LJ, Kaneko N. Implementation of Do Not Attempt Resuscitate Orders in a Japanese Nursing Home. American Journal of Hospice and Palliative Medicine. 2014;31(1):27-32.
  • Charan NB, Wolf J, Henrichs M, Williams JM, Sullivan R, Ashworth LJ. Are Inhaled Drugs Delivered to the Bronchial Smooth Muscle Through the Bronchial Circulation? Arch Physiol Biochem. 2003 Oct;111(4):331-3.
  • Sandmeyer NP, Ashworth LJ. Cardiopulmonary Implications of Neuromuscular Blockade. Crit Care Nurs Q. 1995 Aug;18(2):25-40.
  • Ashworth LJ. Pressure Support Ventilation. Crit Care Nurse. 1990 Jul-Aug;10(7):20- 7.
  • Ashworth LJ. Survey of Respiratory Care Faculty Salaries. AARC Times, 1989 December.

Student Research

AARC International Congress 2016

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in San Antonio, TX, October 2016.
  • The Effect of Increasing Amplitude and Percent Support on Tidal Volume and Peak Pressure during Proportional Assist Ventilation. Ashlyn Krupa, VeAnn McFadden, Samantha Davis, Lonny Ashworth.

AARC International Congress 2015

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Tampa, FL, November 2015.
  • Patient-Ventilator Asynchrony during Exercise using Assisted Modes of Ventilation and CPAP with Pressure Support Ventilation. Camille Stover, Ashley Blair, Hatsuyo Ebisu, Lonny Ashworth.

AARC International Congress 2014

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Las Vegas, NV, December 2014.
  • Idaho Pharmacy Practices as related to Metered Dose Inhalers and Spacers. Kari Armstrong, Sabina Gervais, Lonny Ashworth.
  • Evaluation of Molecular Sieve Oxygen Concentrators and varying Flow Rates. Grace Hofmann, Kelsey Braden, Leo Ivy, Lonny Ashworth.
  • Evaluation of Learning Styles for Patients with COPD. Jennifer Gilbert, Miah Nystrom, Megan LoPiccolo, Lonny Ashworth.
  • Manual versus Mechanical Percussion. Brianne Larango, Shawn Case, Kyler Wilson, Lirlande Frederick, Lonny Ashworth.

AARC International Congress 2013

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Anaheim, CA, November 2013.
  • Measured Expiratory Resistance of the Blue and Green Acapella Devices as Setting is Increased from 1 – 5; Amplitude 20, 30, 40. Scott M. Hawkins, Amanda V. Wroblewski, Lonny Ashworth.
  • Effect of Increasing Patient Effort Simulated with an Electronic Test Lung on the Tidal Volume during a Spontaneous Breathing Trial with Automatic Tube Compensation. Lonny Niejadlik, Kortnee Fleming, Lonny Ashworth.
  • Effect of Increasing Amplitude using an Electronic Lung Simulator on Tidal Volume and Peak Inspiratory Pressure during Adaptive Pressure Control. Troy Lempesis, Douglas Stubbs Jr., Lonny Ashworth.
  • Performance Comparison of Oxygen Delivery Devices in Patients with Varying Inspiratory Demands. Gwendolyn A. Hinten, Melynda Lewis, Jared B. Eardley, T.J. Wing, Lonny Ashworth.
  • Comparison of Predicted Anatomic Deadspace and Measured Deadspace during Mechanical Ventilation using the Drager Evita Infinity V500®. Junko Takada, Hatsuyo Ebisu, Akio Kinoshita, Lonny Ashworth.

AARC International Congress 2012

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in New Orleans, LA, November 2012.
  • No research abstracts were submitted by students or faculty this year.

AARC International Congress 2011

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Tampa, FL, November 2011.
  • Evaluating the Set Release Percentage of AutoRelease during APRV on the Drager V500. Ross Armstrong, David Strong, Ridwan Awad, Lonny Ashworth.
  • Evaluation of Peak Inspiratory Pressure and Inhaled Tidal Volume during PC-PSV with Variable Pressure Support on the Drager V500. Ross Armstrong, David Strong, Ridwan Awad, Lonny Ashworth.
  • Assessment of Variability in Recruitment Maneuver Delivery and Understanding. Michelle Moore.
  • Effects of Adding PEEP and Oxygen Flow on Delivered F1O2 in the IPV Breathing Circuit.  Jared Rice.

AARC International Congress 2010

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Las Vegas, NV, December 2010.
  • Comparing Breathing Intolerance Index Pre- and Post-Diaphragmatic Muscle Fatigue in Healthy Adults. Junko Morikawa, Dawn Marie Axness, Dione Harrod, Chontel Ross, Lonny Ashworth.
  • Evaluation of Patient-Ventilator Synchrony in the Respironics ST/D, Vision and V60 when Ventilating a Mannequin Interfaced with an Electronic Breathing Simulator. Britney Griffith, Dana Svancara, Lonny Ashworth.
  • Effect of Tube Compensation on Tidal Volume during a Simulated Spontaneous Breathing Trial. Britney Griffith, Jesse Ferguson, Lonny Ashworth.
  • Evaluation of Endotracheal Tube Cuff Seal in a Bench Model using Minimal Occluding Volume under Static and Dynamic Conditions. Steve Burk, Chris Bigham, Jody Lester.
  • Comparison of Peak-Expiratory  Pressure Ventilating Neonates with Moderate to Severe Leaks using the Viasys Avea and Maquet Servo-i. Josh Dillon, Jody Lester.
  • Survey of Existing Conditions of the Respiratory Care Team in Japan: An Analysis of the Impact Factors. Tetsuo Myagawa, Lonny Ashworth.

AARC International Congress 2009

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in San Antonio, TX, December 2009.
  • Do High Frequency Oscillation Vests Reduce Vital Capacity in Normal Subjects? Brad Hughett, Colleen Montieth, Jody Lester.
  • Evaluation of the Respironics BiPAP AutoSV and the ResMed VPAP Adapt SV to Lung Simulator Generated Central and Obstructive Sleep Apneic Episodes. Dawn Alverson, Grant Drake, Jody Lester.
  • How do Tidal Volume and PEEP Settings Affect Expiratory  Resistance: A Bench Study of the LTV 1200 HomeCare Ventilator. James Matsuura, Candice McClain, Kady May, Andrea Young, Jody Lester.

AARC International Congress 2008

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Anaheim, CA, December 2008.
  • Accuracy of Delivered Tidal Volume using Adaptive Support Ventilation on the Hamilton G5 when Ventilating an Electronic Test Lung Simulating COPD and ARDS.
    Hiroyuki Noguchi, Lonny Ashworth.

AARC International Congress 2007

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Orlando, FL, December 2007.
  • Evaluation of Continuous Positive Pressure Devices with Pressure Release Option.
    Lisa Johnatakis, Shandi Woodland, Lutana Haan.

AARC International Congress 2006

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in Las Vegas, NV, December 2006.
  • Comparison of Peak Inspiratory Pressures Using Adult vs Pediatric Circuits during Volume-Targeted, Assist-control with the LTV 1000: Is it Reasonable to Stock only One Circuit? Eric Peart, Phillip Elle, Lonny Ashworth.
  • Comparing Resistance across the Expiratory Limb of the Limb-O-Circuit vs a Heated-Wire Circuit. Ross Armstrong, Nicolas Sirs, Lonny Ashworth.
  • Effect of Altitude on Peak Inspiratory Pressure and Tidal Volume during Pressure-Targeted A/C using the LTV 1000 and HT 50. Denise Y. Chase, Susan Marmentini, Lonny Ashworth.
  • Effect of Altitude on Tidal Volume and Peak Inspiratory Pressure during Volume-Targeted A/C using the LTV 1000 and HT 50. Susan Marmentini, Denise Y. Chase, Lonny Ashworth.
  • Evaluation of Oxygen Bleed-in Location during CPAP when using an Electronic Breathing Simulator. Ty Barnett, Eric Peart, Lutana Haan.
  • Comparing Slow-flow P-V Loops using the Viasys Avea, Drager XL and Hamilton Galileo. Lacey Matteson, Rebecca Brollier, Lonny Ashworth.
  • Evaluation of Patient Work-of-Breathing on an Electronic Simulator and the Viasys Avea using Esophageal Pressure Monitoring. Dan Neifert, Ty Barnett, Lutana Haan.

AARC International Congress 2005

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in San Antonio, TX, December 2005.
  • Evaluation of 6 and 12-foot circuit lengths on delivered volume and peak pressure during CPAP/PSV on the LTV 1000. Dan Neifert, Matthew Seitz, Thomas J. Wing, Lonny Ashworth.
  • Evaluation of 6 and 12-foot circuit lengths on delivered volume and pressure during Pressure A/C on the LTV 1000. Dan Neifert, Matthew Seitz, Thomas J. Wing, Lonny Ashworth.
  • Evaluation of 6 and 12-foot circuit lengths on delivered volume and pressure during Volume A/C on the LTV 1000. Matthew Seitz, Dan Neifert, Thomas J. Wing, Lonny Ashworth.
  • Exhalation valve resistance of modern ventilators while ventilating an electronic lung simulator. Thomas J. Wing, Candy Perry, Lonny Ashworth.
  • Evaluation of the changes in tidal volume during Pressure-targeted assist/control as time constants vary when flow-cycle is activated on the LTV 1000. Coby Steele, Candy Perry, Lonny Ashworth.
  • Evaluation of peak inspiratory pressure during pressure-targeted assist/control on Pulmonetics LTV 1000 and Newport HT 50. Ty Barnett, Alyssa Rowe, Coby Steele, Lonny Ashworth.
  • Evaluation of Positive End-Expiratory Pressure during volume-targeted assist/control ventilation. Ty Barnett, Alyssa Rowe, Coby Steele, Lonny Ashworth.
  • Evaluation of delivered volume during volume-targeted assist/control on the Pulmonetics LTV 1000 and Newport HT 50. Ty Barnett, Alyssa Rowe, Coby Steele, Lonny Ashworth.
  • Evaluation of peak pressure during CPAP 5 cm H2O and pressure support 10 cm H2O on the LTV 1000 and Newport HT 50. Alyssa Rowe, Ty Barnett, Lonny Ashworth.
  • The effect of flow rate from an in-line nebulizer on delivered volume and pressure while using the LTV 1000 ventilating an electronic lung simulator. Candy Perry, Coby Steele, Lonny Ashworth.
  • Does AAC maintain targeted pressure when endotracheal tube size, pressure support level and inspiratory effort are varied? Randy Rose, Jody Lester.
  • The effect of patient effort, pressure support level and endotracheal tube size on automatic tube compensation (ATC) of the Drager Evita 2 using a lung simulator. Jody Lester.
  • Automatic Tube Compensation: Is it Safe and Effective for Neonatal and Pediatric Patients? David W. Southwick, Jody Lester, Randy Rose.

AARC International Congress 2004

The following Research Posters have been accepted for presentation at the American Association for Respiratory Care International Conference, in New Orleans, LA, December 2004.
  • Automatic Tube Compensation During Expiration: What Effect Does It Have On Peak Expiration Flowrate? Ross Armstrong, Nikolas Sirs, Lonny Ashworth.
  • Exhalation Valve Resistance of Modern Ventilators. Thomas J. Wing, Lonny Ashworth.
  • Is Exhalation Valve-Induced Auto-Peep A Concern With Modern Day Ventilators? Russell G. Peterson, Essam Al-Jamhan, Jeffrey K. Goldman, Lonny Ashworth.
  • Response Of The Ventilator Subsequent To Patient Disconnection During Dual-Mode Ventilation. Essam Al-Jamhan, David Southwick, Lonny Ashworth.
  • Ventilator Calculated Values Of Compliance: Are They Accurate? Jeffrey K. Goldman, Russell G. Peterson, Lonny Ashworth.
  • Ventilator Calculated Values Of Resistance: Are They Accurate? Jeffrey K. Goldman, Russell G. Peterson, Lonny Ashworth.
  • Ventilatory Response During Dual-Mode Ventilation After Removal Of A Fiberoptic Bronchoscope. Nikolas Sirs, Ross Armstrong, Lonny Ashworth.

American Thoracic Society International Congress 2004

The following Poster Presentations were made at the American Thoracic Society International Congress in Orlando, Florida, May 2004.
  • Automatic Tube Compensation: Does It Really Matter? Lonny J. Ashworth, Thomas J. Wing, Jeffrey K. Goldman, Russell G. Peterson.
  • Infusion Of Cold Saline Directly into the Bronchial Artery Produces Bronchoconstriction in Sheep. Nirmal B. Charan, Lonny J. Ashworth.