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.Wolters Kluwer. 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. J Mater Chem 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 Nature. 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 J, 65(4), 395-400.Wolters Kluwer. 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 Nature. 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 J, 64(6), 806-811.Wolters Kluwer. 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 Polym Sci, 295(12), 2413-2422.Springer Nature. 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. J Aerosol Med Pulm Drug Deliv, 29(3), 251-259.Mary Ann Liebert. 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. J Aerosol Med Pulm Drug Deliv, 27(5), 392-399.Mary Ann Liebert. 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 J, 59(1), 24-29.Wolters Kluwer. 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. Ann Biomed Eng, 40(3), 628-636.Springer Nature. 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.