Andrew T Lovering

Summary

Affiliation: University of Oregon
Country: USA

Publications

  1. ncbi request reprint Responses and limitations of the respiratory system to exercise
    Andrew T Lovering
    The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, University of Wisconsin at Madison, Madison, WI 53706 1532, USA
    Clin Chest Med 26:439-57, vi. 2005
  2. pmc Tonic and phasic drive to medullary respiratory neurons during periodic breathing
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, TX 79430 6551, USA
    Respir Physiol Neurobiol 181:286-301. 2012
  3. doi request reprint Intrapulmonary shunting and pulmonary gas exchange during normoxic and hypoxic exercise in healthy humans
    Andrew T Lovering
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403 1240, USA
    J Appl Physiol (1985) 104:1418-25. 2008
  4. pmc Hyperoxia prevents exercise-induced intrapulmonary arteriovenous shunt in healthy humans
    Andrew T Lovering
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403 1240, USA
    J Physiol 586:4559-65. 2008
  5. pmc Transpulmonary passage of 99mTc macroaggregated albumin in healthy humans at rest and during maximal exercise
    Andrew T Lovering
    Department of Human Physiology, University of Oregon, Eugene, OR 97403 1240, USA
    J Appl Physiol (1985) 106:1986-92. 2009
  6. doi request reprint Pulmonary pathways and mechanisms regulating transpulmonary shunting into the general circulation: an update
    Andrew T Lovering
    Department of Human Physiology, University of Oregon, Cardiopulmonary and Respiratory Physiology Laboratory, Eugene, OR 97401, USA
    Injury 41:S16-23. 2010
  7. doi request reprint Catecholamine-induced opening of intrapulmonary arteriovenous anastomoses in healthy humans at rest
    Steven S Laurie
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    J Appl Physiol (1985) 113:1213-22. 2012
  8. ncbi request reprint Medullary respiratory neural activity during hypoxia in NREM and REM sleep in the cat
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, Texas, USA
    J Neurophysiol 95:803-10. 2006
  9. doi request reprint Prevalence of left heart contrast in healthy, young, asymptomatic humans at rest breathing room air
    Jonathan E Elliott
    University of Oregon, Department of Human Physiology, Eugene, OR 97403 1240, USA
    Respir Physiol Neurobiol 188:71-8. 2013
  10. doi request reprint Effect of initial gas bubble composition on detection of inducible intrapulmonary arteriovenous shunt during exercise in normoxia, hypoxia, or hyperoxia
    Jonathan E Elliott
    Department of Human Physiology, University of Oregon, Eugene, Oregon, USA
    J Appl Physiol (1985) 110:35-45. 2011

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Responses and limitations of the respiratory system to exercise
    Andrew T Lovering
    The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, University of Wisconsin at Madison, Madison, WI 53706 1532, USA
    Clin Chest Med 26:439-57, vi. 2005
    ..Nonetheless, there are several exceptional cases in which the lung is unable to accommodate the demands of exercise because of vascular or airway limitations...
  2. pmc Tonic and phasic drive to medullary respiratory neurons during periodic breathing
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, TX 79430 6551, USA
    Respir Physiol Neurobiol 181:286-301. 2012
    ....
  3. doi request reprint Intrapulmonary shunting and pulmonary gas exchange during normoxic and hypoxic exercise in healthy humans
    Andrew T Lovering
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403 1240, USA
    J Appl Physiol (1985) 104:1418-25. 2008
    ..Whether oxygen tension specifically regulates these novel pathways or opens them indirectly via effects on the conventional pulmonary vasculature remains unclear...
  4. pmc Hyperoxia prevents exercise-induced intrapulmonary arteriovenous shunt in healthy humans
    Andrew T Lovering
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403 1240, USA
    J Physiol 586:4559-65. 2008
    ..Our results suggest that alveolar hyperoxia prevents or reduces blood flow through arteriovenous shunt pathways...
  5. pmc Transpulmonary passage of 99mTc macroaggregated albumin in healthy humans at rest and during maximal exercise
    Andrew T Lovering
    Department of Human Physiology, University of Oregon, Eugene, OR 97403 1240, USA
    J Appl Physiol (1985) 106:1986-92. 2009
    ..Recruitment of these pathways may divert blood flow away from pulmonary capillaries during exercise and compromise the lung's function as a biological filter...
  6. doi request reprint Pulmonary pathways and mechanisms regulating transpulmonary shunting into the general circulation: an update
    Andrew T Lovering
    Department of Human Physiology, University of Oregon, Cardiopulmonary and Respiratory Physiology Laboratory, Eugene, OR 97401, USA
    Injury 41:S16-23. 2010
    ..Finally, we suggest some precautionary measures that should be taken during interventions to keep intrapulmonary arteriovenous anastomoses closed in order to prevent or reduce the incidence of paradoxical embolism...
  7. doi request reprint Catecholamine-induced opening of intrapulmonary arteriovenous anastomoses in healthy humans at rest
    Steven S Laurie
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    J Appl Physiol (1985) 113:1213-22. 2012
    ..We suggest that increases in Q(C) or PASP (or both) secondary to EPI or DA infusions open IPAVA in normoxia. The closing mechanism associated with breathing 100% oxygen is independent from the opening mechanisms...
  8. ncbi request reprint Medullary respiratory neural activity during hypoxia in NREM and REM sleep in the cat
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, Texas, USA
    J Neurophysiol 95:803-10. 2006
    ....
  9. doi request reprint Prevalence of left heart contrast in healthy, young, asymptomatic humans at rest breathing room air
    Jonathan E Elliott
    University of Oregon, Department of Human Physiology, Eugene, OR 97403 1240, USA
    Respir Physiol Neurobiol 188:71-8. 2013
    ..These data suggest that ~30% of healthy, young, asymptomatic subjects demonstrate the transpulmonary passage of contrast at rest which is reduced by breathing 100% O2 and assuming an upright body position...
  10. doi request reprint Effect of initial gas bubble composition on detection of inducible intrapulmonary arteriovenous shunt during exercise in normoxia, hypoxia, or hyperoxia
    Jonathan E Elliott
    Department of Human Physiology, University of Oregon, Eugene, Oregon, USA
    J Appl Physiol (1985) 110:35-45. 2011
    ..These results suggest that in vivo gas bubbles are less susceptible to changes in the ambient external environment than previously suspected...
  11. doi request reprint Normal pulmonary gas exchange efficiency and absence of exercise-induced arterial hypoxemia in adults with bronchopulmonary dysplasia
    Andrew T Lovering
    University of Oregon, Department of Human Physiology, Eugene, Oregon
    J Appl Physiol (1985) 115:1050-6. 2013
    ..We conclude that EIAH in adult subjects born very preterm with and without BPD does not likely contribute to the reduction in aerobic exercise capacity observed in these subjects. ..
  12. ncbi request reprint Excitation of medullary respiratory neurons in REM sleep
    John M Orem
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, TX 79430 6551, USA
    Sleep 28:801-7. 2005
    ..To study tonic inputs to medullary respiratory neurons during rapid eye movement (REM) sleep...
  13. doi request reprint Hypoxia-induced intrapulmonary arteriovenous shunting at rest in healthy humans
    Steven S Laurie
    Department of Human Physiology, University of Oregon, Eugene, Oregon 97403, USA
    J Appl Physiol (1985) 109:1072-9. 2010
    ..Despite intersubject variability our results indicate significant IPAV shunting occurs at rest in all subjects breathing an FI(O(2)) = 0.10 for 30 min...
  14. ncbi request reprint Hypocapnia decreases the amount of rapid eye movement sleep in cats
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, USA
    Sleep 26:961-7. 2003
    ..Thus, although sleep disruption at high altitudes is generally assumed to be caused by hypoxia, it may instead be the result of hypocapnia...
  15. ncbi request reprint Ventilatory response of the cat to hypoxia in sleep and wakefulness
    Andrew T Lovering
    Texas Tech University School of Medicine, Department of Physiology, Lubbock, Texas 79430 6551, USA
    J Appl Physiol 95:545-54. 2003
    ..We conclude that the ventilatory response to hypoxia involves a change in the output of the central pattern generator and that the change is dependent in part on the state of consciousness...
  16. pmc Effect of a patent foramen ovale on pulmonary gas exchange efficiency at rest and during exercise
    Andrew T Lovering
    University of Oregon, Department of Human Physiology, Eugene, Oregon, USA
    J Appl Physiol (1985) 110:1354-61. 2011
    ..3 vs. 38.0 ± 0.3°C). An asymptomatic PFO contributes to pulmonary gas exchange inefficiency at rest but not during exercise in healthy humans and therefore does not explain intersubject variability in the AaDO(2) at maximal exercise...
  17. ncbi request reprint Excessive gas exchange impairment during exercise in a subject with a history of bronchopulmonary dysplasia and high altitude pulmonary edema
    Andrew T Lovering
    University of Wisconsin School of Medicine and Public Health, Department of Population Health Sciences, John Rankin Laboratory of Pulmonary Medicine, Madison, Wisconsin 53706 1532, USA
    High Alt Med Biol 8:62-7. 2007
    ....
  18. ncbi request reprint Exercise-induced intrapulmonary arteriovenous shunting in healthy humans
    Marlowe W Eldridge
    John Rankin Laboratory of Pulmonary Medicine, University of Wisconsin, Medical School, Madison, Wisconsin 53792 4108, USA
    J Appl Physiol (1985) 97:797-805. 2004
    ..They may also act as a protective parallel vascular network limiting the rise in regional pulmonary vascular pressure while preserving cardiac output during exercise...
  19. ncbi request reprint Effect of exercise-induced arterial hypoxemia on quadriceps muscle fatigue in healthy humans
    Lee M Romer
    Centre for Sports Medicine and Human Performance, Brunel University, Uxbridge, UK
    Am J Physiol Regul Integr Comp Physiol 290:R365-75. 2006
    ..We conclude that the arterial O2 desaturation that occurs in fit subjects during high-intensity exercise in normoxia (-6 +/- 1% DeltaSa(O2) from rest) contributes significantly toward quadriceps muscle fatigue via a peripheral mechanism...
  20. pmc Effect of inspiratory muscle work on peripheral fatigue of locomotor muscles in healthy humans
    Lee M Romer
    John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, Medical Sciences Center, University of Wisconsin, Madison 53706, USA
    J Physiol 571:425-39. 2006
    ..In conclusion, peripheral fatigue of locomotor muscles resulting from high-intensity sustained exercise is, in part, due to the accompanying high levels of respiratory muscle work...
  21. pmc Arterial oxygenation influences central motor output and exercise performance via effects on peripheral locomotor muscle fatigue in humans
    Markus Amann
    The John Rankin Laboratory of Pulmonary Medicine, 4245 Medical Science Center, 1300 University Avenue, Madison, WI 53706, USA
    J Physiol 575:937-52. 2006
    ....
  22. ncbi request reprint Effect of acute severe hypoxia on peripheral fatigue and endurance capacity in healthy humans
    Lee M Romer
    Centre for Sports Medicine and Human Performance, Brunel University, Middlesex, UB8 3PH, UK
    Am J Physiol Regul Integr Comp Physiol 292:R598-606. 2007
    ..NORM-EXH. We conclude that severe hypoxia exacerbates peripheral fatigue of limb locomotor muscles and that this effect may contribute, in part, to the early termination of exercise...
  23. ncbi request reprint Intrapulmonary shunt during normoxic and hypoxic exercise in healthy humans
    Andrew T Lovering
    The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, University of Wisconsin Madison, Wisconsin, USA
    Adv Exp Med Biol 588:31-45. 2006
    ..Future work will better define the conditions for shunt recruitment as well as their physiologic consequence...
  24. ncbi request reprint Exercise-induced intrapulmonary arteriovenous shunting and pulmonary gas exchange
    Michael K Stickland
    The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53706 1532, USA
    Exerc Sport Sci Rev 34:99-106. 2006
    ....
  25. ncbi request reprint Contrast ultrasound techniques in the detection and quantification of patent foramen ovale: myth versus reality--a clarification
    Andrew T Lovering
    Stroke 36:1109. 2005
  26. pmc Exercise-induced arteriovenous intrapulmonary shunting in dogs
    Michael K Stickland
    John Rankin Laboratory of Pulmonary Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
    Am J Respir Crit Care Med 176:300-5. 2007
    ....
  27. ncbi request reprint Direct demonstration of 25- and 50-microm arteriovenous pathways in healthy human and baboon lungs
    Andrew T Lovering
    John Rankin Laboratory of Pulmonary Medicine, Univ of Wisconsin School of Medicine and Public Health, Madison, WI 53706 1532, USA
    Am J Physiol Heart Circ Physiol 292:H1777-81. 2007
    ....