Dr. Tiffany S. Ko Profile

Dr. Tiffany S. Ko

Research Scientist at Children's Hospital of Philadelphia

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 17 March 2023 Presentation

Presentation

Non-invasive diffuse optical monitoring of cerebral oxygen metabolism, cerebral blood volume and cerebral water content in a swine-model of contusional traumatic brain injury

Rodrigo Menezes Forti, Lucas Hobson, Tiffany Ko, Emilie Benson, Nicolina Ranieri, Gerard Laurent, Madison Bowe, M. Katie Weeks, Nicholas Widmann, Samuel Shin, Sarah Morton, Anthony Davis, Takayuki Sueishi, Yuxi Lin, Nicholas Fagan, Brian White, Daniel Licht, Todd Kilbaugh, Arjun Yodh, Wesley Baker

Proceedings Volume 12364, 123640G (2023) https://doi.org/10.1117/12.2650355

KEYWORDS: Diffuse optical spectroscopy, Diffuse optical imaging, Traumatic brain injury, Oxygen, Mode conditioning cables, Blood, Injuries, Brain, Spectroscopes, Physiology

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SPIE Journal Paper | 30 August 2022 Open Access

Open Access

Optical imaging and spectroscopy for the study of the human brain: status report

Hasan Ayaz, Wesley Baker, Giles Blaney, David Boas, Heather Bortfeld, Kenneth Brady, Joshua Brake, Sabrina Brigadoi, Erin M. Buckley, Stefan Carp, Robert Cooper, Kyle Cowdrick, Joseph Culver, Ippeita Dan, Hamid Dehghani, Anna Devor, Turgut Durduran, Adam Eggebrecht, Lauren Emberson, Qianqian Fang, Sergio Fantini, Maria Angela Franceschini, Jonas Fischer, Judit Gervain, Joy Hirsch, Keum-Shik Hong, Roarke Horstmeyer, Jana Kainerstorfer, Tiffany Ko, Daniel Licht, Adam Liebert, Robert Luke, Jennifer Lynch, Jaume Mesquida, Rickson Mesquita, Noman Naseer, Sergio Novi, Felipe Orihuela-Espina, Thomas O'Sullivan, Darcy Peterka, Antonio Pifferi, Luca Pollonini, Angelo Sassaroli, João Ricardo Sato, Felix Scholkmann, Lorenzo Spinelli, Vivek Srinivasan, Keith St. Lawrence, Ilias Tachtsidis, Yunjie Tong, Alessandro Torricelli, Tara Urner, Heidrun Wabnitz, Martin Wolf, Ursula Wolf, Shiqi Xu, Changhuei Yang, Arjun Yodh, Meryem Yücel, Wenjun Zhou

NPh, Vol. 9, Issue S2, S24001, (August 2022) https://doi.org/10.1117/12.10.1117/1.NPh.9.S2.S24001

KEYWORDS: Brain, Near infrared spectroscopy, Neuroimaging, Imaging spectroscopy, Sensors, Optical imaging, Optical spectroscopy imaging, Optical spectroscopy, Spectroscopy, Tissue optics

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SPIE Journal Paper | 25 August 2022 Open Access

Open Access

Comparison of optical measurements of critical closing pressure acquired before and during induced ventricular arrhythmia in adults

Alec Lafontant, Elizabeth Mahanna Gabrielli, Karla Bergonzi, Rodrigo Forti, Tiffany Ko, Ronak Shah, Jeffrey Arkles, Daniel Licht, Arjun Yodh, W. Andrew Kofke, Brian White, Wesley Baker

NPh, Vol. 9, Issue 03, 035004, (August 2022) https://doi.org/10.1117/12.10.1117/1.NPh.9.3.035004

KEYWORDS: Gold, Heart, Optical testing, Blood pressure, Medicine, Electrophysiology, Neurophotonics, Arteries, Resistance, Spectroscopy

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Proceedings Article | 5 March 2021 Presentation

Presentation

In vivo quantification of placental hemodynamics with diffuse optical spectroscopy

Lin Wang, Jeffrey Cochran, Tiffany Ko, Wesley Baker, Kenneth Abramson, David Busch, Lian He, Arjun Yodh, Nadav Schwartz

Proceedings Volume 11639, 116390O (2021) https://doi.org/10.1117/12.2583369

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Proceedings Article | 5 March 2021 Presentation

Presentation

Neurosurgical shunting in neonatal hydrocephalus increased cerebral perfusion only in patients with elevated intracranial pressure

Wesley Baker, Tracy Flanders, Tiffany Ko, Kristen Andersen, Jharna Jahnavi, John Flibotte, Daniel Licht, Arjun Yodh, Brian White, Shih-Shan Lang, Gregory Heuer

Proceedings Volume 11639, 1163917 (2021) https://doi.org/10.1117/12.2578813

KEYWORDS: Oxygen, Mode conditioning cables, Surgery, Spectroscopy, Physiology, Optical testing, Diffuse optical spectroscopy, Cerebral blood flow, Blood oxygen saturation

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Proceedings Article | 5 March 2021 Presentation

Presentation

Effects of mild hypothermic cardiopulmonary bypass on cerebral hemodynamics: comparison of diffuse optical and cerebral microdialysis metrics in neonatal swine

Emilie Benson, Lindsay Volk, Tiffany Ko, Jonathan Starr, Samy Belbegra, Wesley Baker, Jonah Padawer-Curry, Kristen Andersen, Alexander Schmidt, Thomas Hallowell, Yuxi Lin, Anna Roberts, Nile Delso, William Landis, Daniel Licht, Arjun Yodh, Todd Kilbaugh

Proceedings Volume 11639, 116391F (2021) https://doi.org/10.1117/12.2579337

KEYWORDS: Hemodynamics, Brain, Tissue optics, Oxygen, Injuries, Traumatic brain injury, Tissues, Surgery, Spectroscopy, Optical testing

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Proceedings Article | 5 March 2021 Presentation

Presentation

Critical closing pressure monitoring using diffuse correlation spectroscopy in cardiac ablation patients

Alec Lafontant, Karla Bergonzi, Rodrigo Forti, Ronak Shah, Lin Wang, Tiffany Ko, Arjun Yodh, Jeffery Arkles, Ramani Balu, Andrew Kofke, Wesley Baker, Brian White, Elizabeth Gabrielli

Proceedings Volume 11639, 1163913 (2021) https://doi.org/10.1117/12.2579301

KEYWORDS: Spectroscopy, Linear filtering, Ultrasonography, Traumatic brain injury, Surgery, Human subjects, Doppler effect, Data acquisition, Cerebral blood flow, Blood pressure

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Proceedings Article | 5 March 2021 Presentation

Presentation

Impact of cerebral edema on diffuse optical spectroscopy quantification during extracorporeal membrane oxygenation (ECMO)

Jharna Jahnavi, Jonathan Starr, Kristen Andersen, Jake Breimann, Emilie Benson, Jonah Padawer-Curry, Tim Benson, Giselle Matlis, Alec Lafontant, Thomas Hallowell, William Landis, Yuxi Lin, Nile Delso, Anna Roberts, Kathryn Graham, Julia Slovis, Lindsay Volk, Richard Melchior, Ryan Morgan, Brian White, Arjun Yodh, Marco Hefti, Daniel Licht, Todd Kilbaugh, Wesley Baker, Tiffany Ko

Proceedings Volume 11639, 116390P (2021) https://doi.org/10.1117/12.2578917

KEYWORDS: Diffuse optical spectroscopy, Brain, Absorption, Tissues, Statistical analysis, Spectroscopy, Optical testing, Lamps, Hemodynamics, Halogens

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Proceedings Article | 5 March 2021 Presentation

Presentation

Low frequency power in cerebral blood flow through cardiac arrest and recovery in a swine model

Brian White, Tiffany Ko, Ryan Morgan, Jharna Jahnavi, Emilie Benson, Anna Roberts, Kristen Andersen, Thomas Hallowell, Yuxi Lin, Jake Breimann, Jonah Padawer-Curry, Timothy Benson, Kathryn Graham, William Landis, Nile Delso, Giselle Matlis, Robert Berg, Arjun Yodh, Daniel Licht, Todd Kilbaugh

Proceedings Volume 11629, 116290D (2021) https://doi.org/10.1117/12.2578832

KEYWORDS: Cerebral blood flow, Mode conditioning cables, Brain, Traumatic brain injury, Spectroscopy, Reflectivity, Hemodynamics, Fourier transforms, Blood circulation

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Proceedings Article | 5 March 2021 Presentation

Presentation

Correlation of non-invasive diffuse optical measurements of cerebral hemodynamics and cerebral microdialysis during extracorporeal membrane oxygenation

Tiffany Ko, Emilie Benson, Julia Slovis, Lindsay Volk, Constantine Mavroudis, Ryan Morgan, Jake Breimann, Jharna Jahnavi, Jonathan Starr, William Landis, Thomas Hallowell, Nile Delso, Kristen Andersen, Jonah Padawer-Curry, Anna Roberts, Yuxi Lin, Kathryn Graham, Richard Melchior, Arjun Yodh, Robert Berg, Wesley Baker, Todd Kilbaugh, Daniel Licht

Proceedings Volume 11629, 1162918 (2021) https://doi.org/10.1117/12.2577803

KEYWORDS: Optical testing, Hemodynamics, Tissue optics, Spectroscopy, Oxygen, Injuries, Diffuse optical spectroscopy, Cerebral blood flow

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SPIE Journal Paper | 23 December 2015 Open Access

Open Access

Calibration of diffuse correlation spectroscopy blood flow index with venous-occlusion diffuse optical spectroscopy in skeletal muscle

Zhe Li, Wesley Baker, Ashwin Parthasarathy, Tiffany Ko, Detian Wang, Steven Schenkel, Turgut Durduran, Gang Li, Arjun Yodh

JBO, Vol. 20, Issue 12, 125005, (December 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.12.125005

KEYWORDS: Calibration, Blood circulation, Tissue optics, Tissues, Ischemia, Spectroscopy, Optical properties, Diffuse optical spectroscopy, Optical testing, Blood

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SPIE Journal Paper | 4 August 2015 Open Access

Open Access

Pressure modulation algorithm to separate cerebral hemodynamic signals from extracerebral artifacts

Wesley Baker, Ashwin Parthasarathy, Tiffany Ko, David Busch, Kenneth Abramson, Shih-Yu Tzeng, Rickson Mesquita, Turgut Durduran, Joel Greenberg, David Kung, Arjun Yodh

NPh, Vol. 2, Issue 03, 035004, (August 2015) https://doi.org/10.1117/12.10.1117/1.NPh.2.3.035004

KEYWORDS: Tissues, Modulation, Absorption, Blood circulation, Cerebral blood flow, Calibration, Head, Hemodynamics, Scattering, Optical properties

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Showing 5 of 12 publications

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