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Items: 1 to 50 of 108

1.

Responses of cerebral blood velocity and tissue oxygenation to low-frequency oscillations during simulated haemorrhagic stress in humans.

Anderson GK, Sprick JD, Park FS, Rosenberg AJ, Rickards CA.

Exp Physiol. 2019 May 15. doi: 10.1113/EP087358. [Epub ahead of print]

PMID:
31090115
2.

Hemorrhage simulated by lower body negative pressure provokes an oxidative stress response in healthy young adults.

Park FS, Kay VL, Sprick JD, Rosenberg AJ, Anderson GK, Mallet RT, Rickards CA.

Exp Biol Med (Maywood). 2019 Mar;244(3):272-278. doi: 10.1177/1535370219828706. Epub 2019 Feb 6.

PMID:
30727766
3.

Ischaemic and hypoxic conditioning: potential for protection of vital organs.

Sprick JD, Mallet RT, Przyklenk K, Rickards CA.

Exp Physiol. 2019 Mar;104(3):278-294. doi: 10.1113/EP087122. Epub 2019 Jan 24.

PMID:
30597638
4.

Impact of environmental stressors on tolerance to hemorrhage in humans.

Crandall CG, Rickards CA, Johnson BD.

Am J Physiol Regul Integr Comp Physiol. 2019 Feb 1;316(2):R88-R100. doi: 10.1152/ajpregu.00235.2018. Epub 2018 Dec 5.

PMID:
30517019
5.

Vive la résistance! The role of inspiratory resistance breathing on cerebral blood flow.

Rickards CA.

Respir Physiol Neurobiol. 2019 Jul;265:76-82. doi: 10.1016/j.resp.2018.10.001. Epub 2018 Oct 16. Review.

PMID:
30340016
6.

Time course of compensatory physiological responses to central hypovolemia in high- and low-tolerant human subjects.

Xiang L, Hinojosa-Laborde C, Ryan KL, Rickards CA, Convertino VA.

Am J Physiol Regul Integr Comp Physiol. 2018 Aug 1;315(2):R408-R416. doi: 10.1152/ajpregu.00361.2017. Epub 2018 Apr 18.

PMID:
29668322
7.

Cyclical blood flow restriction resistance exercise: a potential parallel to remote ischemic preconditioning?

Sprick JD, Rickards CA.

Am J Physiol Regul Integr Comp Physiol. 2017 Nov 1;313(5):R507-R517. doi: 10.1152/ajpregu.00112.2017. Epub 2017 Aug 23.

8.

Combining remote ischemic preconditioning and aerobic exercise: a novel adaptation of blood flow restriction exercise.

Sprick JD, Rickards CA.

Am J Physiol Regul Integr Comp Physiol. 2017 Nov 1;313(5):R497-R506. doi: 10.1152/ajpregu.00111.2017. Epub 2017 Aug 23.

9.

Cerebral oxygenation and regional cerebral perfusion responses with resistance breathing during central hypovolemia.

Kay VL, Sprick JD, Rickards CA.

Am J Physiol Regul Integr Comp Physiol. 2017 Aug 1;313(2):R132-R139. doi: 10.1152/ajpregu.00385.2016. Epub 2017 May 24.

10.

Effects of Acute Vaporized Nicotine in Non-Tobacco Users at Rest and during Exercise.

Fogt DL, Levi MA, Rickards CA, Stelly SP, Cooke WH.

Int J Exerc Sci. 2016 Nov 1;9(5):607-615. eCollection 2016.

11.

The effects of superimposed tilt and lower body negative pressure on anterior and posterior cerebral circulations.

Tymko MM, Rickards CA, Skow RJ, Ingram-Cotton NC, Howatt MK, Day TA.

Physiol Rep. 2016 Sep;4(17). pii: e12957. doi: 10.14814/phy2.12957.

12.

Global Assessment of Schistosomiasis Control Over the Past Century Shows Targeting the Snail Intermediate Host Works Best.

Sokolow SH, Wood CL, Jones IJ, Swartz SJ, Lopez M, Hsieh MH, Lafferty KD, Kuris AM, Rickards C, De Leo GA.

PLoS Negl Trop Dis. 2016 Jul 21;10(7):e0004794. doi: 10.1371/journal.pntd.0004794. eCollection 2016 Jul.

13.

The efficacy of novel anatomical sites for the assessment of muscle oxygenation during central hypovolemia.

Sprick JD, Soller BR, Rickards CA.

Exp Biol Med (Maywood). 2016 Nov;241(17):2007-2013. Epub 2016 Jul 19.

14.

The role of cerebral oxygenation and regional cerebral blood flow on tolerance to central hypovolemia.

Kay VL, Rickards CA.

Am J Physiol Regul Integr Comp Physiol. 2016 Feb 15;310(4):R375-83. doi: 10.1152/ajpregu.00367.2015. Epub 2015 Dec 16.

15.

Reproducibility of a continuous ramp lower body negative pressure protocol for simulating hemorrhage.

Kay VL, Rickards CA.

Physiol Rep. 2015 Nov;3(11). pii: e12640. doi: 10.14814/phy2.12640.

16.

Cerebral Blood-Flow Regulation During Hemorrhage.

Rickards CA.

Compr Physiol. 2015 Sep 20;5(4):1585-621. doi: 10.1002/cphy.c140058. Review.

PMID:
26426461
17.

Acute inhalation of vaporized nicotine increases arterial pressure in young non-smokers: a pilot study.

Cooke WH, Pokhrel A, Dowling C, Fogt DL, Rickards CA.

Clin Auton Res. 2015 Aug;25(4):267-70. doi: 10.1007/s10286-015-0304-z. Epub 2015 Aug 12.

PMID:
26264837
18.

Cerebral blood velocity regulation during progressive blood loss compared with lower body negative pressure in humans.

Rickards CA, Johnson BD, Harvey RE, Convertino VA, Joyner MJ, Barnes JN.

J Appl Physiol (1985). 2015 Sep 15;119(6):677-85. doi: 10.1152/japplphysiol.00127.2015. Epub 2015 Jul 2.

19.

Coupling between arterial pressure, cerebral blood velocity, and cerebral tissue oxygenation with spontaneous and forced oscillations.

Rickards CA, Sprick JD, Colby HB, Kay VL, Tzeng YC.

Physiol Meas. 2015 Apr;36(4):785-801. doi: 10.1088/0967-3334/36/4/785. Epub 2015 Mar 23.

PMID:
25798890
20.

Platelet activation after presyncope by lower body negative pressure in humans.

Zaar M, Fedyk CG, Pidcoke HF, Scherer MR, Ryan KL, Rickards CA, Hinojosa-Laborde C, Convertino VA, Cap AP.

PLoS One. 2014 Dec 29;9(12):e116174. doi: 10.1371/journal.pone.0116174. eCollection 2014.

21.

Resting sympathetic baroreflex sensitivity in subjects with low and high tolerance to central hypovolemia induced by lower body negative pressure.

Hinojosa-Laborde C, Ryan KL, Rickards CA, Convertino VA.

Front Physiol. 2014 Jun 30;5:241. doi: 10.3389/fphys.2014.00241. eCollection 2014.

22.

Arterial pressure and cerebral blood flow variability: friend or foe? A review.

Rickards CA, Tzeng YC.

Front Physiol. 2014 Apr 7;5:120. doi: 10.3389/fphys.2014.00120. eCollection 2014. Review.

23.

Between-centre variability in transfer function analysis, a widely used method for linear quantification of the dynamic pressure-flow relation: the CARNet study.

Meel-van den Abeelen AS, Simpson DM, Wang LJ, Slump CH, Zhang R, Tarumi T, Rickards CA, Payne S, Mitsis GD, Kostoglou K, Marmarelis V, Shin D, Tzeng YC, Ainslie PN, Gommer E, Müller M, Dorado AC, Smielewski P, Yelicich B, Puppo C, Liu X, Czosnyka M, Wang CY, Novak V, Panerai RB, Claassen JA.

Med Eng Phys. 2014 May;36(5):620-7. doi: 10.1016/j.medengphy.2014.02.002. Epub 2014 Apr 13.

24.
25.

Are you bleeding? Validation of a machine-learning algorithm for determination of blood volume status: application to remote triage.

Rickards CA, Vyas N, Ryan KL, Ward KR, Andre D, Hurst GM, Barrera CR, Convertino VA.

J Appl Physiol (1985). 2014 Mar 1;116(5):486-94. doi: 10.1152/japplphysiol.00012.2013. Epub 2014 Jan 9.

26.
27.

Heart rate variability analysis during central hypovolemia using wavelet transformation.

Ji SY, Belle A, Ward KR, Ryan KL, Rickards CA, Convertino VA, Najarian K.

J Clin Monit Comput. 2013 Jun;27(3):289-302. doi: 10.1007/s10877-013-9434-9. Epub 2013 Feb 1.

PMID:
23371800
28.

Early detection of hemorrhage via central pulse pressure derived from a non-invasive peripheral arterial blood pressure waveform.

Zhang G, Ryan KL, Rickards CA, Convertino VA, Mukkamala R.

Conf Proc IEEE Eng Med Biol Soc. 2012;2012:3116-9. doi: 10.1109/EMBC.2012.6346624.

PMID:
23366585
29.

Lightweight noninvasive trauma monitor for early indication of central hypovolemia and tissue acidosis: a review.

Soller BR, Zou F, Ryan KL, Rickards CA, Ward K, Convertino VA.

J Trauma Acute Care Surg. 2012 Aug;73(2 Suppl 1):S106-11. doi: 10.1097/TA.0b013e318260a928. Review.

PMID:
22847078
30.

Assessment of cerebral autoregulation: the quandary of quantification.

Tzeng YC, Ainslie PN, Cooke WH, Peebles KC, Willie CK, MacRae BA, Smirl JD, Horsman HM, Rickards CA.

Am J Physiol Heart Circ Physiol. 2012 Sep 15;303(6):H658-71. doi: 10.1152/ajpheart.00328.2012. Epub 2012 Jul 20.

31.

A recipe for reducing blood pressure variability: adding blood flow to the mix.

Tzeng YC, MacRae B, Rickards C.

Hypertension. 2012 Aug;60(2):e12; author reply e13. doi: 10.1161/HYPERTENSIONAHA.112.198531. Epub 2012 Jun 25. No abstract available.

PMID:
22733457
32.

Sympathetic responses to central hypovolemia: new insights from microneurographic recordings.

Ryan KL, Rickards CA, Hinojosa-Laborde C, Cooke WH, Convertino VA.

Front Physiol. 2012 Apr 26;3:110. doi: 10.3389/fphys.2012.00110. eCollection 2012.

33.

Progressive reduction in central blood volume is not detected by sublingual capnography.

Chung KK, Ryan KL, Rickards CA, Hinojosa-Laborde C, Pamplin JC, Patel SS, Herold TS, Convertino VA.

Shock. 2012 Jun;37(6):586-91. doi: 10.1097/SHK.0b013e318252da82.

PMID:
22552018
34.

Effects of dehydration on cerebrovascular control during standing after heavy resistance exercise.

Moralez G, Romero SA, Rickards CA, Ryan KL, Convertino VA, Cooke WH.

J Appl Physiol (1985). 2012 Jun;112(11):1875-83. doi: 10.1152/japplphysiol.01217.2011. Epub 2012 Mar 29.

35.

Heart Rate Variability during Simulated Hemorrhage with Lower Body Negative Pressure in High and Low Tolerant Subjects.

Hinojosa-Laborde C, Rickards CA, Ryan KL, Convertino VA.

Front Physiol. 2011 Nov 21;2:85. doi: 10.3389/fphys.2011.00085. eCollection 2011.

36.

Autonomic mechanisms associated with heart rate and vasoconstrictor reserves.

Convertino VA, Rickards CA, Ryan KL.

Clin Auton Res. 2012 Jun;22(3):123-30. doi: 10.1007/s10286-011-0151-5. Epub 2011 Nov 15.

PMID:
22083580
37.

Arterial pressure oscillations are not associated with muscle sympathetic nerve activity in individuals exposed to central hypovolaemia.

Ryan KL, Rickards CA, Hinojosa-Laborde C, Cooke WH, Convertino VA.

J Physiol. 2011 Nov 1;589(Pt 21):5311-22. doi: 10.1113/jphysiol.2011.213074. Epub 2011 Sep 19.

38.

Use of advanced machine-learning techniques for noninvasive monitoring of hemorrhage.

Convertino VA, Moulton SL, Grudic GZ, Rickards CA, Hinojosa-Laborde C, Gerhardt RT, Blackbourne LH, Ryan KL.

J Trauma. 2011 Jul;71(1 Suppl):S25-32. doi: 10.1097/TA.0b013e3182211601. Review.

PMID:
21795890
39.

Improved pulse transit time estimation by system identification analysis of proximal and distal arterial waveforms.

Xu D, Ryan KL, Rickards CA, Zhang G, Convertino VA, Mukkamala R.

Am J Physiol Heart Circ Physiol. 2011 Oct;301(4):H1389-95. doi: 10.1152/ajpheart.00443.2011. Epub 2011 Jul 29.

40.

Tolerance to central hypovolemia: the influence of oscillations in arterial pressure and cerebral blood velocity.

Rickards CA, Ryan KL, Cooke WH, Convertino VA.

J Appl Physiol (1985). 2011 Oct;111(4):1048-58. doi: 10.1152/japplphysiol.00231.2011. Epub 2011 Jul 28.

41.

Advanced technology development for remote triage applications in bleeding combat casualties.

Ryan KL, Rickards CA, Hinojosa-Laborde C, Gerhardt RT, Cain J, Convertino VA.

US Army Med Dep J. 2011 Apr-Jun:61-72. Review.

PMID:
21607908
42.

Optimizing the respiratory pump: harnessing inspiratory resistance to treat systemic hypotension.

Convertino VA, Ryan KL, Rickards CA, Glorsky SL, Idris AH, Yannopoulos D, Metzger A, Lurie KG.

Respir Care. 2011 Jun;56(6):846-57. doi: 10.4187/respcare.01018. Epub 2011 Feb 11. Review.

43.

Control of cerebral blood velocity with furosemide-induced hypovolemia and upright tilt.

Romero SA, Moralez G, Rickards CA, Ryan KL, Convertino VA, Fogt DL, Cooke WH.

J Appl Physiol (1985). 2011 Feb;110(2):492-8. doi: 10.1152/japplphysiol.01060.2010. Epub 2010 Nov 25.

44.

Robust pulse wave velocity estimation by application of system identification to proximal and distal arterial waveforms.

Xu D, Ryan KL, Rickards CA, Zhang G, Convertino VA, Mukkamala R.

Conf Proc IEEE Eng Med Biol Soc. 2010;2010:3559-62. doi: 10.1109/IEMBS.2010.5627718.

PMID:
21097042
45.

Monitoring non-invasive cardiac output and stroke volume during experimental human hypovolaemia and resuscitation.

Reisner AT, Xu D, Ryan KL, Convertino VA, Rickards CA, Mukkamala R.

Br J Anaesth. 2011 Jan;106(1):23-30. doi: 10.1093/bja/aeq295. Epub 2010 Nov 4.

46.

Re: heart period variability monitoring in trauma and hemorrhage.

Rickards CA.

J Trauma. 2010 Aug;69(2):479-80; author reply 480. doi: 10.1097/TA.0b013e3181e1d294. No abstract available.

PMID:
20699765
47.

Is heart period variability associated with the administration of lifesaving interventions in individual prehospital trauma patients with normal standard vital signs?

Rickards CA, Ryan KL, Ludwig DA, Convertino VA.

Crit Care Med. 2010 Aug;38(8):1666-73. doi: 10.1097/CCM.0b013e3181e74cab.

PMID:
20562705
48.

Oxygen transport characterization of a human model of progressive hemorrhage.

Ward KR, Tiba MH, Ryan KL, Filho IP, Rickards CA, Witten T, Soller BR, Ludwig DA, Convertino VA.

Resuscitation. 2010 Aug;81(8):987-93. doi: 10.1016/j.resuscitation.2010.03.027. Epub 2010 Apr 24.

PMID:
20418009
49.

Human cytomegalovirus UL141 promotes efficient downregulation of the natural killer cell activating ligand CD112.

Prod'homme V, Sugrue DM, Stanton RJ, Nomoto A, Davies J, Rickards CR, Cochrane D, Moore M, Wilkinson GW, Tomasec P.

J Gen Virol. 2010 Aug;91(Pt 8):2034-9. doi: 10.1099/vir.0.021931-0. Epub 2010 Apr 21.

50.

Characterization of common measures of heart period variability in healthy human subjects: implications for patient monitoring.

Rickards CA, Ryan KL, Convertino VA.

J Clin Monit Comput. 2010 Feb;24(1):61-70. doi: 10.1007/s10877-009-9210-z. Epub 2009 Nov 22.

PMID:
20157801

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