Publications

Peer-Reviewed Articles

[1] K. Kalayeh, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “Ureterovesical junction deformation during urine storage in the bladder and the effect on vesicoureteral reflux.,” J Biomech, vol. 113, pp. 110123-110121, 2020. https://www.ncbi.nlm.nih.gov/pubmed/33242822

[2] K. Kalayeh, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “The 5:1 rule overestimates the needed tunnel length during ureteral reimplantation,” Neurourol Urodyn, vol. 40, no. 1, pp. 85-94, 2021. https://www.ncbi.nlm.nih.gov/pubmed/33017072

[3] K. Kalayeh, J. B. Fowlkes, J. Claflin, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Ultrasound Contrast Stability for Urinary Bladder Pressure Measurement.,” Ultrasound Med Biol, vol. 49, no. 1, pp. 136-151, 2023. https://www.ncbi.nlm.nih.gov/pubmed/36244919

[4] K. Kalayeh, J. B. Fowlkes, A. Chen, S. Yeras, M. L. Fabiilli, J. Claflin, S. Daignault-Newton, W. W. Schultz and B. S. Sack, “Pressure Measurement in a Bladder Phantom Using Contrast-Enhanced Ultrasonography-A Path to a Catheter-Free Voiding Cystometrogram.,” Invest. Radiol., vol. 58, no. 3, pp. 181-189, 2023. https://www.ncbi.nlm.nih.gov/pubmed/36070543

[5] K. Kalayeh, H. Xie, J. Brian Fowlkes, B. S. Sack and W. W. Schultz, “Longitudinal wall motion during peristalsis and its effect on reflux,” Journal of Fluid Mechanics, vol. 964, pp. A30, 2023. http://dx.doi.org/10.1017/jfm.2023.363

[6] K. Kalayeh, J. B. Fowlkes, H. Xie, W. W. Schultz and B. S. Sack, “Peristalsis prevents ureteral dilation,” Neurourol Urodyn, 2023. https://www.ncbi.nlm.nih.gov/pubmed/37961019

[7] H. Tai, K. Kalayeh, J. A. Ashton-Miller, J. O. DeLancey and J. Brian Fowlkes, “Urethral tissue characterization using multiparametric ultrasound imaging.,” Ultrasonics, vol. 145, pp. 107481, 2025. https://www.ncbi.nlm.nih.gov/pubmed/39348748

Conference Abstracts

[1] K. Kalayeh, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “Urinary Reflux,” Annual Meeting of the APS Division of Fluid Dynamics, 2020. http://meetings.aps.org/Meeting/DFD20/Session/X01.15

[2] K. Kalayeh, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “Dismembering The Ureterovesical Junction: A Computational Analysis Of The 5:1 Ureteral Length-To-Diameter Ratio,” Joint Meeting of ESPU-SPU, 2020. https://congress2021.espu.org/index.html

[3] K. Kalayeh, J. B. Fowlkes, J. Claflin, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Bladder Pressure Estimation Using Subharmonic Signal Scattered by Ultrasound Contrast Agents,” RSNA Scientific Assembly and Annual Meeting, 2021. https://www.rsna.org/annual-meeting

[4] K. Kalayeh, J. B. Fowlkes, J. Claflin, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Benchtop Bladder Phantom Pressure Estimation Using Ultrasound Contrast Agents,” Annual Meeting of the North Central Section of the AUA, 2021. https://ncsaua.org/home.aspx

[5] K. Kalayeh, J. B. Fowlkes, J. Claflin, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Benchtop Bladder Phantom Pressure Estimation Using Ultrasound Contrast Agents,” AUA Annual Meeting, vol. 206(Supplement 3), no. Supplement 3, 2021. http://dx.doi.org/10.1097/ju.0000000000002020.05

[6] K. Kalayeh, J. B. Fowlkes, J. Claflin, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Application of Lipid-Shell Microbubbles in Cystometrogram–Handling and Bladder Pressure Estimation,” AIUM Annual Meeting, 2022. https://www.eventscribe.net/2022/AIUM2022/

[7] K. Kalayeh, H. Xie, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “Ureteral Peristalsis Longitudinal Motion Minimizes Reflux,” AUA Annual Meeting, vol. 209(Supplement 4), no. Supplement 4, 2023. http://dx.doi.org/10.1097/ju.0000000000003338.04

[8] K. Kalayeh, J. B. Fowlkes, A. Chen, S. Yeras, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Performance of Commercial Ultrasound Contrast Agents for Bladder Pressure Measurement,” AIUM UltraCon, 2023. https://www.aium.org/

[9] K. Kalayeh, J. B. Fowlkes, P. Schmidt, H. Tai, B. S. Sack, J. A. Ashton-Miller and J. O. DeLancey, “Near Real-Time Automated Quantification of Urethral Mobility During Ultrasound Imaging,” AUGS PFD, 2023. https://www.eventscribe.net/2023/PFDWeek/

[10] K. Kalayeh, H. Xie, J. B. Fowlkes, W. W. Schultz and B. S. Sack, “Ureteral Wall Longitudinal Motion During Peristalsis Restricts Reflux,” SUFU Winter Meeting, 2023. https://sufuorg.com/home.aspx

[11] K. Kalayeh, J. B. Fowlkes, A. Chen, S. Yeras, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Catheter-Free Bladder Phantom Pressure Measurement with Contrast-Enhanced Ultrasound,” SUFU Winter Meeting, 2023. https://sufuorg.com/home.aspx

[12] K. Kalayeh, J. B. Fowlkes, A. Chen, S. Yeras, M. L. Fabiilli, W. W. Schultz and B. S. Sack, “Catheter-free Bladder Phantom Pressure Measurement-Comparison Study of Commercial Ultrasound Contrast Agents,” AUA Annual Meeting, vol. 209(Supplement 4), no. Supplement 4, 2023. http://dx.doi.org/10.1097/ju.0000000000003296.11

[13] S. Yeras, K. Kalayeh, J. B. Fowlkes, A. Chen, W. W. Schultz and B. S. Sack, “Assessing the Efficacy of DEFINITY®, Lumason®, Sonazoid®, and OPTISON ® in Bladder Phantom Pressure SHAPE Measurements: A Necessary Step Toward Clinical Evaluation,” AIUM UltraCon, 2024. https://ultracon2024.eventscribe.net/

[14] H. Tai, K. Kalayeh, J. O. DeLancey, J. Ashton-Miller and J. B. Fowlkes, “Urethra Tissue Characterization using Angle Dependent Multiparametric Ultrasound Imaging,” AIUM UltraCon, 2024. https://ultracon2024.eventscribe.net/

[15] K. Kalayeh, J. B. Fowlkes, M. Zhang, S. N. Ambani, W. W. Schultz and B. S. Sack, “Evaluation of Renal Obstruction with Dynamic Contrast-Enhanced Ultrasound,” AIUM UltraCon, 2024. https://ultracon2024.eventscribe.net/

[16] K. Kalayeh, J. B. Fowlkes, J. O. DeLancey, J. A. Ashton-Miller, W. W. Schultz and B. S. Sack, “Catheter-Free Pressure Measurements in Human Bladder With Subharmonic-Aided Pressure Estimation (SHAPE): A proof of Concept,” AIUM UltraCon, 2024. https://ultracon2024.eventscribe.net/

[17] K. Kalayeh, J. B. Fowlkes, P. Schmidt, H. Tai, W. W. Schultz, B. S. Sack, J. A. Ashton-Miller and J. O. DeLancey, “Evaluation of Urinary Incontinence by Automated Quantification of Urethral Mobility in Ultrasound Imaging,” AIUM UltraCon, 2024. https://ultracon2024.eventscribe.net/

[18] K. Kalayeh, J. B. Fowlkes, P. Schmidt, H. Tai, W. W. Schultz, B. S. Sack, J. A. Ashton-Miller and J. O. DeLancey, “Automated Quantification Of Ultrasound Imaging: A New Horizon In Urethral Mobility Assessment,” SUFU Winter Meeting, 2024. 

[19] K. Kalayeh, J. B. Fowlkes, J. O. DeLancey, J. A. Ashton-Miller, W. W. Schultz and B. S. Sack, “Human Bladder Pressure Measurement With Contrast-Enhanced Ultrasound: A Proof Of Concept,” SUFU Winter Meeting, 2024. 

[20] K. Kalayeh, S. N. Ambani, J. B. Fowlkes, M. Zhang, W. W. Schultz and B. S. Sack, “Role of contrast enhanced ultrasound in evaluating obstruction resolution after pyeloplasty,” AUA Annual Meeting, vol. 211(5S), no. 5S, pp. 0, 2024. http://dx.doi.org/10.1097/01.ju.0001009512.15743.d7.04

[21] K. Kalayeh, S. N. Ambani, J. B. Fowlkes, M. Zhang, W. W. Schultz and B. S. Sack, “Dynamic contrast-enhanced ultrasound can diagnose kidney obstruction,” AUA Annual Meeting, vol. 211(5S), no. 5S, pp. 0, 2024. http://dx.doi.org/10.1097/01.ju.0001009416.90901.7b.06

[22] K. Kalayeh, J. B. Fowlkes, J. O. DeLancey, J. A. Ashton-Miller, W. W. Schultz and B. S. Sack, “One step closer to a catheter-free pressure flow study: Subharmonic-aided pressure estimation of human bladders using contrast ultrasonography,” AUA Annual Meeting, vol. 211(5S), no. 5S, pp. 0, 2024. http://dx.doi.org/10.1097/01.ju.0001009476.18935.3b.09

[23] J. LaCross, K. Kalayeh, J. B. Fowlkes, J. A. Ashton-Miller and D. John, “Assessing the Feasibility of a Software-Augmented Method for Analyzing Pelvic Floor Kinematics via 2D Transperineal Ultrasound Imaging,” 2nd Annual Reproducible Rehabilitation Research Summit, 2024. 

[24] J. LaCross, K. Kalayeh, J. B. Fowlkes, J. A. Ashton-Miller and D. John, “Development of a Software-Augmented Non-Invasive Movement Analysis of Pelvic Floor Motion Using Two-Dimensional Transperineal Ultrasound Imaging,” Kidney, Urology and Hematology Research Training Inaugural National Meeting, 2024.