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Erythrocyte and plasma oxidative stress appears to be compensated in patients with sickle cell disease during a period of relative health, despite the presence of known oxidative agents.

Detterich JA, Liu H, Suriany S, Kato RM, Chalacheva P, Tedla B, Shah PM, Khoo MC, Wood JC, Coates TD, Milne GL, Oh JY, Patel RP, Forman HJ.

Free Radic Biol Med. 2019 Sep;141:408-415. doi: 10.1016/j.freeradbiomed.2019.07.004. Epub 2019 Jul 3.


Phenotype of Ventilatory Control in Children With Moderate to Severe Persistent Asthma and Obstructive Sleep Apnea.

He Z, Armoni Domany K, Nava-Guerra L, Khoo MCK, DiFrancesco M, Xu Y, McConnell K, Hossain MM, Amin R.

Sleep. 2019 Jun 7. pii: zsz130. doi: 10.1093/sleep/zsz130. [Epub ahead of print]



Khoo MCK, Chalacheva P.

J Appl Physiol (1985). 2019 May 16. doi: 10.1152/japplphysiol.00111.2019. [Epub ahead of print]


Sickle Cell Disease Subjects Have a Distinct Abnormal Autonomic Phenotype Characterized by Peripheral Vasoconstriction With Blunted Cardiac Response to Head-Up Tilt.

Chalacheva P, Kato RM, Shah P, Veluswamy S, Denton CC, Sunwoo J, Thuptimdang W, Wood JC, Detterich JA, Coates TD, Khoo MCK.

Front Physiol. 2019 Apr 11;10:381. doi: 10.3389/fphys.2019.00381. eCollection 2019.


Mental stress causes vasoconstriction in sickle cell disease and normal controls.

Shah P, Khaleel M, Thuptimdang W, Sunwoo J, Veluswamy S, Chalacheva P, Kato RM, Detterich J, Wood JC, Zeltzer L, Sposto R, Khoo MCK, Coates TD.

Haematologica. 2019 Apr 11. pii: haematol.2018.211391. doi: 10.3324/haematol.2018.211391. [Epub ahead of print]


Sickle cell microvascular paradox-oxygen supply-demand mismatch.

Detterich JA, Kato R, Bush A, Chalacheva P, Ponce D, De Zoysa M, Shah P, Khoo MC, Meiselman HJ, Coates TD, Wood JC.

Am J Hematol. 2019 Jun;94(6):678-688. doi: 10.1002/ajh.25476. Epub 2019 Apr 19.


The effect of adenotonsillectomy on ventilatory control in children with obstructive sleep apnea.

Armoni Domany K, He Z, Nava-Guerra L, Khoo MCK, Xu Y, Hossain MM, DiFrancesco M, McConnell K, Amin RS.

Sleep. 2019 May 1;42(5). pii: zsz045. doi: 10.1093/sleep/zsz045.


Quantifying ventilatory control stability from spontaneous sigh responses during sleep: a comparison of two approaches.

Nava-Guerra L, Edwards BA, Terrill PI, Sands SA, Amin RS, Kemp JS, Khoo MCK.

Physiol Meas. 2018 Nov 22;39(11):114005. doi: 10.1088/1361-6579/aae7a9.


Abnormalities in autonomic function in obese boys at-risk for insulin resistance and obstructive sleep apnea.

Oliveira FMS, Tran WH, Lesser DJ, Bhatia R, Keens TG, Mittelman SD, Davidson Ward SL, Khoo MCK.

Pediatr Res. 2019 May;85(6):790-798. doi: 10.1038/s41390-018-0226-2. Epub 2018 Nov 12.


Upper Airway Narrowing during Central Apnea in Obese Adolescents.

Kato RM, Kim YC, Joshi B, Loloyan S, Wee CP, Wu Z, Tran WH, Keens TG, Khoo MCK, Nayak KS, Davidson Ward SL.

Ann Am Thorac Soc. 2018 Dec;15(12):1465-1471. doi: 10.1513/AnnalsATS.201806-412OC.


A novel cross-correlation methodology for assessing biophysical responses associated with pain.

Sunwoo J, Chalacheva P, Khaleel M, Shah P, Sposto R, Kato RM, Detterich J, Zeltzer LK, Wood JC, Coates TD, Khoo MC.

J Pain Res. 2018 Oct 5;11:2207-2219. doi: 10.2147/JPR.S142582. eCollection 2018.


Assessing ventilatory instability using the response to spontaneous sighs during sleep in preterm infants.

Edwards BA, Nava-Guerra L, Kemp JS, Carroll JL, Khoo MC, Sands SA, Terrill PI, Landry SA, Amin RS.

Sleep. 2018 Nov 1;41(11). doi: 10.1093/sleep/zsy161.


Autonomic nervous system involvement in sickle cell disease.

Coates TD, Chalacheva P, Zeltzer L, Khoo MCK.

Clin Hemorheol Microcirc. 2018;68(2-3):251-262. doi: 10.3233/CH-189011.


Cardioventilatory Control in Preterm-born Children and the Risk of Obstructive Sleep Apnea.

Armoni Domany K, Hossain MM, Nava-Guerra L, Khoo MC, McConnell K, Carroll JL, Xu Y, DiFrancesco M, Amin RS.

Am J Respir Crit Care Med. 2018 Jun 15;197(12):1596-1603. doi: 10.1164/rccm.201708-1700OC.


Individuals with sickle cell disease have a significantly greater vasoconstriction response to thermal pain than controls and have significant vasoconstriction in response to anticipation of pain.

Khaleel M, Puliyel M, Shah P, Sunwoo J, Kato RM, Chalacheva P, Thuptimdang W, Detterich J, Wood JC, Tsao J, Zeltzer L, Sposto R, Khoo MCK, Coates TD.

Am J Hematol. 2017 Nov;92(11):1137-1145. doi: 10.1002/ajh.24858. Epub 2017 Aug 17.


Biophysical markers of the peripheral vasoconstriction response to pain in sickle cell disease.

Chalacheva P, Khaleel M, Sunwoo J, Shah P, Detterich JA, Kato RM, Thuptimdang W, Meiselman HJ, Sposto R, Tsao J, Wood JC, Zeltzer L, Coates TD, Khoo MCK.

PLoS One. 2017 May 24;12(5):e0178353. doi: 10.1371/journal.pone.0178353. eCollection 2017.


Real-time multislice MRI during continuous positive airway pressure reveals upper airway response to pressure change.

Chen W, Gillett E, Khoo MCK, Davidson Ward SL, Nayak KS.

J Magn Reson Imaging. 2017 Nov;46(5):1400-1408. doi: 10.1002/jmri.25675. Epub 2017 Feb 22.


Model-Derived Markers of Autonomic Cardiovascular Dysfunction in Sleep-Disordered Breathing.

Khoo MCK, Chalacheva P.

Sleep Med Clin. 2016 Dec;11(4):489-501. doi: 10.1016/j.jsmc.2016.07.003. Epub 2016 Oct 27. Review.


Model-based stability assessment of ventilatory control in overweight adolescents with obstructive sleep apnea during NREM sleep.

Nava-Guerra L, Tran WH, Chalacheva P, Loloyan S, Joshi B, Keens TG, Nayak KS, Davidson Ward SL, Khoo MC.

J Appl Physiol (1985). 2016 Jul 1;121(1):185-97. doi: 10.1152/japplphysiol.01081.2015. Epub 2016 May 12.


Modeling of deep breath vasoconstriction reflex.

Chalacheva P, Khoo MC.

Conf Proc IEEE Eng Med Biol Soc. 2015;2015:7792-5. doi: 10.1109/EMBC.2015.7320199.

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