headshot of Ryan Orizondo

Ryan Orizondo

Visiting Research Assistant Professor
Bioengineering Department

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BSE, Mechanical Engineering, University of Michigan, 2006 - 2010

PhD, Biomedical Engineering, University of Michigan, 2010 - 2015

Orizondo, R.A., Omecinski, K.S., May, A.G., Dhamotharan, V., Frankowski, B.J., Burgreen, G.W., Ye, S.H., Kocyildirim, E., Sanchez, P.G., D'Cunha, J., Wagner, W.R., & Federspiel, W.J. (2021). Month-long Respiratory Support by a Wearable Pumping Artificial Lung in an Ovine Model. TRANSPLANTATION, 105(5), 999-1007.Ovid Technologies (Wolters Kluwer Health). doi: 10.1097/TP.0000000000003481.

Kim, S., Ye, S.H., Adamo, A., Orizondo, R.A., Jo, J., Cho, S.K., & Wagner, W.R. (2020). A biostable, anti-fouling zwitterionic polyurethane-urea based on PDMS for use in blood-contacting medical devices. JOURNAL OF MATERIALS CHEMISTRY B, 8(36), 8305-8314.Royal Society of Chemistry (RSC). doi: 10.1039/d0tb01220c.

May, A.G., Orizondo, R.A., Frankowski, B.J., Ye, S.H., Kocyildirim, E., Wagner, W.R., D'Cunha, J., & Federspiel, W.J. (2020). In vivo testing of the low-flow CO2 removal application of a compact, platform respiratory device. Intensive Care Med Exp, 8(1), 45.Springer Science and Business Media LLC. doi: 10.1186/s40635-020-00329-9.

May, A.G., Orizondo, R.A., Frankowski, B.J., Wearden, P.D., & Federspiel, W.J. (2019). Acute In Vivo Evaluation of the Pittsburgh Pediatric Ambulatory Lung. ASAIO JOURNAL, 65(4), 395-400.Ovid Technologies (Wolters Kluwer Health). doi: 10.1097/MAT.0000000000000918.

Orizondo, R.A., Cardounel, A.J., Kormos, R., & Sanchez, P.G. (2019). Artificial Lungs: Current Status and Future Directions. Current Transplantation Reports, 6(4), 307-315.Springer Science and Business Media LLC. doi: 10.1007/s40472-019-00255-0.

Orizondo, R., Gino, G., Sultzbach, G., Madhani, S., Frankowski, B., & Federspiel, W. (2018). Effects of Hollow Fiber Membrane Oscillation on an Artificial Lung. Annals of Biomedical Engineering, 46(5), 762-771.Springer Verlag. doi: 10.1007/s10439-018-1995-9.

Orizondo, R.A., May, A.G., Madhani, S.P., Frankowski, B.J., Burgreen, G.W., Wearden, P.D., & Federspiel, W.J. (2018). In Vitro Characterization of the Pittsburgh Pediatric Ambulatory Lung. ASAIO JOURNAL, 64(6), 806-811.Ovid Technologies (Wolters Kluwer Health). doi: 10.1097/MAT.0000000000000711.

Orizondo, R.A., Nelson, D.L., Fabiilli, M.L., & Cook, K.E. (2017). Effects of fluorosurfactant structure and concentration on drug availability and biocompatibility in water-in-perfluorocarbon emulsions for pulmonary drug delivery. COLLOID AND POLYMER SCIENCE, 295(12), 2413-2422.Springer Science and Business Media LLC. doi: 10.1007/s00396-017-4216-4.

Orizondo, R.A., Fabiilli, M.L., Morales, M.A., & Cook, K.E. (2016). Effects of Emulsion Composition on Pulmonary Tobramycin Delivery During Antibacterial Perfluorocarbon Ventilation. JOURNAL OF AEROSOL MEDICINE AND PULMONARY DRUG DELIVERY, 29(3), 251-259.Mary Ann Liebert Inc. doi: 10.1089/jamp.2015.1235.

Orizondo, R.A., Babcock, C.I., Fabiilli, M.L., Pavlovsky, L., Fowlkes, J.B., Younger, J.G., & Cook, K.E. (2014). Characterization of a Reverse-Phase Perfluorocarbon Emulsion for the Pulmonary Delivery of Tobramycin. JOURNAL OF AEROSOL MEDICINE AND PULMONARY DRUG DELIVERY, 27(5), 392-399.Mary Ann Liebert Inc. doi: 10.1089/jamp.2013.1058.

Paulsen, M.J., Orizondo, R., Le, D., Rojas-Pena, A., & Bartlett, R.H. (2013). A Simple, Standard Method to Characterize Pressure/Flow Performance of Vascular Access Cannulas. ASAIO JOURNAL, 59(1), 24-29.Ovid Technologies (Wolters Kluwer Health). doi: 10.1097/MAT.0b013e3182746401.

Schewe, R.E., Khanafer, K.M., Orizondo, R.A., & Cook, K.E. (2012). Thoracic Artificial Lung Impedance Studies Using Computational Fluid Dynamics and In Vitro Models. ANNALS OF BIOMEDICAL ENGINEERING, 40(3), 628-636.Springer Science and Business Media LLC. doi: 10.1007/s10439-011-0435-x.

Dhamotharan, V., Orizondo, R., & Federspiel, W. (2019). A quantitative approach to detection of increased circuit resistance during ECMO. American Society of Artificial Internal Organs (ASAIO) 65th Annual Conference.San Francisco, CA.

Dhamotharan, V., Orizondo, R.A., & Federspiel, W. (2019). A Quantitative Approach to Detection of Increased Circuit Resistance during ECMO. Poster session presented at the meeting of McGowan Institute Scientific Retreat.

Federspiel, W., May, A., & Orizondo, R. (2019). 7-day In Vivo Performance of a Low-Flow Extracorporeal CO2 Removal Device. Poster session presented at the meeting of McGowan Institute Scientific Retreat.

May, A., Orizondo, R., Frankowski, B.J., Kocyildirim, E., D’Cunha, J., & Federspiel, W. (2019). 7-day In Vivo Performance of a Low-Flow Extracorporeal CO2 Removal Device. American Society of Artificial Internal Organs (ASAIO) 65th Annual Conference.San Francisco.

May, A., Orizondo, R.A., Frankowski, B., Wearden, P.D., & Federspiel, W. (2019). Acute In Vivo Performance of a Pediatric Ambulatory Artificial Lung. Poster session presented at the meeting of McGowan Institute Scientific Retreat.

Orizondo, R.A., May, A., Frankowski, B.J., Burgreen, G., Ye, S., Kocyildirim, E., Wagner, W., D’Cunha, J., Kormos, R., & Federspiel, W. (2019). Pittsburgh Paracorporeal Ambulatory Assist Lung: Progress Towards a Long-Term Wearable Artificial Lung. American Society of Artificial Internal Organs (ASAIO) 65th Annual Conference.San Francisco.

Behrangzade, A., Orizondo, R.A., Kellum, J.A., & Federspiel, W. (2018). Development of a Combined Artificial Lung and Kidney. Poster session presented at the meeting of McGowan Institute Scientific Retreat.Pittsburgh, PA.

May, A., Orizondo, R., Frankowski, B.J., Wearden, P.D., & Federspiel, W. (2018). Acute In Vivo Performance of a Pediatric Ambulatory Artificial Lung. 64th Annual American Society for Artificial Internal Organs (ASAIO) Conference.Washington DC.

May, A.G., Orizondo, R.A., Frankowski, B.J., Wearden, P.D., & Federspiel, W. (2018). Acute In Vivo Performance of a Pediatric Ambulatory Artificial Lung. Poster session presented at the meeting of McGowan Institute Scientific Retreat.Pittsburgh, PA.

Orizondo, R., Madhani, S., May, A., Frankowski, B.J., Ye, S., Kocyildirim, E., Wagner, W., Kormos, R., D’Cunha, J., & Federspiel, W. (2018). Successful 30-day Sheep Studies of a Wearable Pumping Artificial Lung. Poster session presented at the meeting of McGowan Institute Scientific Retreat.Pittsburgh, PA.

Orizondo, R., May, A., Frankowski, B.J., Burgreen, G.W., & Federspiel, W. (2018). In Vitro Characterization of a Modular Pump Lung Capable of Multiple Respiratory Assist Applications. Poster session presented at the meeting of McGowan Institute Scientific Retreat.Pittsburgh, PA.

Orizondo, R.A., Gino, G., Sultzbach, G., Madhani, S.P., Frankowski, B.J., & Federspiel, W.J. (2018). Effects of Hollow Fiber Membrane Oscillation on an Artificial Lung. Poster session presented at the meeting of ASAIO 63rd Annual Conference.United States.

Orizondo, R.A., Madhani, S.P., May, A., Frankowski, B.J., Burgreen, G.W., Ye, S., Kocyildirim, E., Wagner, W., Kormos, R.L., D'Cunha, J., & Federspiel, W. (2018). 30 Day Sheep Studies of a Wearable Pumping Artificial Lung. 64th Annual American Society for Artificial Internal Organs (ASAIO) Conference.Washington, DC.

Orizondo, R.A., May, A.G., Frankowski, B.J., Burgreen, G.W., & Federspiel, W. (2018). In Vitro Characterization of a Modular Pump Lung Capable of Multiple Respiratory Assist Applications. 64th Annual American Society for Artificial Internal Organs (ASAIO) Conference.Washington, DC.

Orizondo, R., May, A., Madhani, S., Frankowski, B., Wearden, P., & Federspiel, W. (2017). Pittsburgh Pediatric Ambulatory Lung (P-PAL). Poster session presented at the meeting of McGowan Institute Scientific Retreat.Farmington, PA.

Orizondo, R.A., May, A., Madhani, S.P., Frankowski, B.J., Burgreen, G.W., Wearden, P.D., & Federspiel, W. (2017). In vitro Characterization and In vivo Performance of the Pittsburgh Pediatric Ambulatory Lung Device. 13th International Conference on Pediatric Mechanical Circulatory Support Systems and Pediatric Cardiopulmonary Perfusion.Rome, Italy.