Ryan Hsi
Last active: 2/26/2019


Kidney stone epidemiology, outcomes, and novel treatments.


The following timeline graph is generated from all co-authored publications.

Featured publications are shown below:

  1. Prediction Tool to Predict Symptomatic Kidney Stone Episodes: A Step Toward Personalizing Kidney Stone Care. Hsi RS (2019) Mayo Clin Proc 94(2): 179-181
    › Primary publication · 30711112 (PubMed)
  2. Editorial Comment. Hsi RS (2019) J Urol 201(2): 356
    › Primary publication · 30634371 (PubMed)
  3. Opiate Exposure and Predictors of Increased Opiate Use After Ureteroscopy. Kang C, Shu X, Herrell SD, Miller NL, Hsi RS (2019) J Endourol 33(6): 480-485
    › Primary publication · 30618280 (PubMed) · PMC7366266 (PubMed Central)
  4. Radiation From Kidney-Ureter-Bladder Radiographs Is Not Trivial. Kuebker J, Shuman J, Hsi RS, Herrell SD, Miller NL (2019) Urology : 46-49
    › Primary publication · 30528717 (PubMed)
  5. Crowdsourced Assessment of Ureteroscopy with Laser Lithotripsy Video Feed Does Not Correlate with Trainee Experience. Conti SL, Brubaker W, Chung BI, Sofer M, Hsi RS, Shinghal R, Elliott CS, Caruso T, Leppert JT (2019) J Endourol 33(1): 42-49
    › Primary publication · 30450963 (PubMed)
  6. Green tea intake and risk of incident kidney stones: Prospective cohort studies in middle-aged and elderly Chinese individuals. Shu X, Cai H, Xiang YB, Li H, Lipworth L, Miller NL, Zheng W, Shu XO, Hsi RS (2019) Int J Urol 26(2): 241-246
    › Primary publication · 30408844 (PubMed)
  7. Predictors of spontaneous ureteral stone passage in the presence of an indwelling ureteral stent. Kuebker JM, Robles J, Kramer JJ, Miller NL, Herrell SD, Hsi RS (2019) Urolithiasis 47(4): 395-400
    › Primary publication · 30349974 (PubMed)
  8. Postoperative Opiate Use in Urological Patients: A Quality Improvement Study Aimed at Improving Opiate Disposal Practices. Cabo J, Hsi RS, Scarpato KR (2019) J Urol 201(2): 371-376
    › Primary publication · 30267748 (PubMed)
  9. Architecture-Guided Fluid Flow Directs Renal Biomineralization. Ho SP, Chen L, Allen FI, Hsi RS, Shimotake AR, Wiener SV, Kang M, Minor AM, Stoller ML (2018) Sci Rep 8(1): 14157
    › Primary publication · 30242165 (PubMed) · PMC6155006 (PubMed Central)
  10. Anaphylactoid Reactions After Instillation of Contrast Material Into the Urinary Tract: A Survey of Contemporary Practice Patterns and Review of the Literature. Dai JC, Brisbane WG, Chang HC, Hsi RS, Harper JD (2018) Urology : 58-63
    › Primary publication · 30195013 (PubMed)
  11. Fibromyxoid Nephrogenic Adenoma in the Ureter. Dropkin BM, Giannico GA, Reisz PA, Penson DF, Hsi RS (2018) J Endourol Case Rep 4(1): 97-99
    › Primary publication · 29984315 (PubMed) · PMC6033302 (PubMed Central)
  12. Race- and Sex-related Differences in Nephrolithiasis Risk Among Blacks and Whites in the Southern Community Cohort Study. Hsi RS, Kabagambe EK, Shu X, Han X, Miller NL, Lipworth L (2018) Urology : 36-42
    › Primary publication · 29753847 (PubMed) · PMC7050473 (PubMed Central)
  13. Editorial Comment. Hsi RS (2018) J Urol 200(1): 153
    › Primary publication · 29649422 (PubMed)
  14. Editorial Comment. Hsi RS (2018) J Urol 199(6): 1532-1533
    › Primary publication · 29571691 (PubMed)
  15. In vitro feasibility of next generation non-linear beamforming ultrasound methods to characterize and size kidney stones. Tierney JE, Schlunk SG, Jones R, George M, Karve P, Duddu R, Byram BC, Hsi RS (2019) Urolithiasis 47(2): 181-188
    › Primary publication · 29356874 (PubMed) · PMC6054908 (PubMed Central)
  16. The Morbidity of Ureteral Strictures in Patients with Prior Ureteroscopic Stone Surgery: Multi-Institutional Outcomes. May PC, Hsi RS, Tran H, Stoller ML, Chew BH, Chi T, Usawachintachit M, Duty BD, Gore JL, Harper JD (2018) J Endourol 32(4): 309-314
    › Primary publication · 29325445 (PubMed)
  17. Clinical Outcomes for Cystinuria Patients with Unilateral Versus Bilateral Cystine Stone Disease. Usawachintachit M, Sherer B, Hudnall M, Tzou DT, Taguchi K, Hsi RS, Stoller M, Chi T (2018) J Endourol 32(2): 148-153
    › Primary publication · 29179563 (PubMed) · PMC5813729 (PubMed Central)
  18. Anatomically-specific intratubular and interstitial biominerals in the human renal medullo-papillary complex. Chen L, Hsi RS, Yang F, Sherer BA, Stoller ML, Ho SP (2017) PLoS One 12(11): e0187103
    › Primary publication · 29145401 (PubMed) · PMC5690653 (PubMed Central)
  19. Nephrolithiasis Among Middle Aged and Elderly Urban Chinese: A Report from Prospective Cohort Studies in Shanghai. Shu X, Cai H, Xiang YB, Li H, Lipworth L, Miller NL, Zheng W, Shu XO, Hsi RS (2017) J Endourol 31(12): 1327-1334
    › Primary publication · 29048227 (PubMed) · PMC5734141 (PubMed Central)
  20. Variation in Radiologic and Urologic Computed Tomography Interpretation of Urinary Tract Stone Burden: Results From the Registry for Stones of the Kidney and Ureter. Tzou DT, Isaacson D, Usawachintachit M, Wang ZJ, Taguchi K, Hills NK, Hsi RS, Sherer BA, Reliford-Titus S, Duty B, Harper JD, Sorensen M, Sur RL, Stoller ML, Chi T (2018) Urology : 59-64
    › Primary publication · 29032235 (PubMed) · PMC6139031 (PubMed Central)
  21. Magnetic Compression Anastomosis (Magnamosis): First-In-Human Trial. Graves CE, Co C, Hsi RS, Kwiat D, Imamura-Ching J, Harrison MR, Stoller ML (2017) J Am Coll Surg 225(5): 676-681.e1
    › Primary publication · 28843832 (PubMed)
  22. A Prospective Case-Control Study Comparing LithoVue, a Single-Use, Flexible Disposable Ureteroscope, with Flexible, Reusable Fiber-Optic Ureteroscopes. Usawachintachit M, Isaacson DS, Taguchi K, Tzou DT, Hsi RS, Sherer BA, Stoller ML, Chi T (2017) J Endourol 31(5): 468-475
    › Primary publication · 28287823 (PubMed) · PMC5439446 (PubMed Central)
  23. Complete Metabolic Evaluation is Indicated after a First Stone Event: Con. Hsi RS, Stoller ML (2017) J Urol 197(3 Pt 1): 545-547
    › Primary publication · 27992753 (PubMed)
  24. Rationale and Design of the Registry for Stones of the Kidney and Ureter (ReSKU): A Prospective Observational Registry to Study the Natural History of Urolithiasis Patients. Chang HC, Tzou DT, Usawachintachit M, Duty BD, Hsi RS, Harper JD, Sorensen MD, Stoller ML, Sur RL, Chi T (2016) J Endourol 30(12): 1332-1338
    › Primary publication · 27758162 (PubMed) · PMC5144847 (PubMed Central)
  25. The Role of the 24-Hour Urine Collection in the Prevention of Kidney Stone Recurrence. Hsi RS, Sanford T, Goldfarb DS, Stoller ML (2017) J Urol 197(4): 1084-1089
    › Primary publication · 27746283 (PubMed)
  26. Preoperative Belladonna and Opium Suppository for Ureteral Stent Pain: A Randomized, Double-blinded, Placebo-controlled Study. Lee FC, Holt SK, Hsi RS, Haynes BM, Harper JD (2017) Urology : 27-32
    › Primary publication · 27658661 (PubMed) · PMC5448974 (PubMed Central)
  27. Ultrasonography is an Adequate Initial Screening Test for Urinary Calculi. Hsi RS, Stoller ML, Miller NL (2016) J Urol 196(3): 645-7
    › Primary publication · 27312317 (PubMed)
  28. The origins of urinary stone disease: upstream mineral formations initiate downstream Randall's plaque. Hsi RS, Ramaswamy K, Ho SP, Stoller ML (2017) BJU Int 119(1): 177-184
    › Primary publication · 27306864 (PubMed) · PMC5161725 (PubMed Central)
  29. National Trends in Secondary Procedures Following Pediatric Pyeloplasty. Dy GW, Hsi RS, Holt SK, Lendvay TS, Gore JL, Harper JD (2016) J Urol 195(4 Pt 2): 1209-14
    › Primary publication · 26926543 (PubMed) · PMC4843514 (PubMed Central)
  30. First in Human Clinical Trial of Ultrasonic Propulsion of Kidney Stones. Harper JD, Cunitz BW, Dunmire B, Lee FC, Sorensen MD, Hsi RS, Thiel J, Wessells H, Lingeman JE, Bailey MR (2016) J Urol 195(4 Pt 1): 956-64
    › Primary publication · 26521719 (PubMed) · PMC4851928 (PubMed Central)
  31. Coronary Artery Calcium Score and Association with Recurrent Nephrolithiasis: The Multi-Ethnic Study of Atherosclerosis. Hsi RS, Spieker AJ, Stoller ML, Jacobs DR, Reiner AP, McClelland RL, Kahn AJ, Chi T, Szklo M, Sorensen MD (2016) J Urol 195(4 Pt 1): 971-6
    › Primary publication · 26454103 (PubMed) · PMC4966606 (PubMed Central)
  32. Use of the Acoustic Shadow Width to Determine Kidney Stone Size with Ultrasound. Dunmire B, Harper JD, Cunitz BW, Lee FC, Hsi R, Liu Z, Bailey MR, Sorensen MD (2016) J Urol 195(1): 171-7
    › Primary publication · 26301788 (PubMed) · PMC4821497 (PubMed Central)
  33. A Spectrum: Nephrocalcinosis-Nephrolithiasis. Hsi RS, Stoller ML (2015) J Urol 194(5): 1188-9
    › Primary publication · 26279238 (PubMed)
  34. Renal Vasoconstriction Occurs Early During Shockwave Lithotripsy in Humans. Lee FC, Hsi RS, Sorensen MD, Paun M, Dunmire B, Liu Z, Bailey M, Harper JD (2015) J Endourol 29(12): 1392-5
    › Primary publication · 26239232 (PubMed) · PMC4677566 (PubMed Central)
  35. 1pPAb5. Acoustic radiation force to reposition kidney stones. Bailey MR, Wang YN, Simon J, Cunitz B, Harper J, Hsi R, Starr F, Paun M, Sapozhnikov O, Dunmire B, Crum L, Sorensen M (2013) Proc Meet Acoust
    › Primary publication · 26207161 (PubMed) · PMC4509680 (PubMed Central)
  36. Shockwave lithotripsy with renoprotective pause is associated with renovascular vasoconstriction in humans. Bailey M, Lee F, Hsi R, Paun M, Dunmire B, Liu Z, Sorensen M, Harper J (2014) IEEE Int Ultrason Symp : 1013-1016
    › Primary publication · 26203348 (PubMed) · PMC4507567 (PubMed Central)
  37. Improved Detection of Kidney Stones Using an Optimized Doppler Imaging Sequence. Cunitz B, Dunmire B, Paun M, Sapozhnikov O, Kucewicz J, Hsi R, Lee F, Sorensen M, Harper J, Bailey M (2014) IEEE Int Ultrason Symp : 452-455
    › Primary publication · 26203346 (PubMed) · PMC4507569 (PubMed Central)
  38. 3aBAb5. Ultrasound intensity to propel stones from the kidney is below the threshold for renal injury. Wang YN, Simon JC, Cunitz B, Starr F, Paun M, Liggitt D, Evan A, McAteer J, Williams J, Liu Z, Kaczkowski P, Hsi R, Sorensen M, Harper J, Bailey MR (2013) Proc Meet Acoust 19(1)
    › Primary publication · 26185590 (PubMed) · PMC4501383 (PubMed Central)
  39. National Trends in Followup Imaging after Pyeloplasty in Children in the United States. Hsi RS, Holt SK, Gore JL, Lendvay TS, Harper JD (2015) J Urol 194(3): 777-82
    › Primary publication · 25868576 (PubMed) · PMC4830277 (PubMed Central)
  40. Fragmentation of urinary calculi in vitro by burst wave lithotripsy. Maxwell AD, Cunitz BW, Kreider W, Sapozhnikov OA, Hsi RS, Harper JD, Bailey MR, Sorensen MD (2015) J Urol 193(1): 338-44
    › Primary publication · 25111910 (PubMed) · PMC4384893 (PubMed Central)
  41. Tools to improve the accuracy of kidney stone sizing with ultrasound. Dunmire B, Lee FC, Hsi RS, Cunitz BW, Paun M, Bailey MR, Sorensen MD, Harper JD (2015) J Endourol 29(2): 147-52
    › Primary publication · 25105243 (PubMed) · PMC4313404 (PubMed Central)
  42. Preclinical safety and effectiveness studies of ultrasonic propulsion of kidney stones. Harper JD, Dunmire B, Wang YN, Simon JC, Liggitt D, Paun M, Cunitz BW, Starr F, Bailey MR, Penniston KL, Lee FC, Hsi RS, Sorensen MD (2014) Urology 84(2): 484-9
    › Primary publication · 24975708 (PubMed) · PMC4304777 (PubMed Central)
  43. Dietary intake of fiber, fruit and vegetables decreases the risk of incident kidney stones in women: a Women's Health Initiative report. Sorensen MD, Hsi RS, Chi T, Shara N, Wactawski-Wende J, Kahn AJ, Wang H, Hou L, Stoller ML, Women’s Health Initiative Writing Group (2014) J Urol 192(6): 1694-9
    › Primary publication · 24859445 (PubMed) · PMC4241174 (PubMed Central)
  44. Trends in followup imaging after adult pyeloplasty. Hsi RS, Holt SK, Gore JL, Harper JD (2014) J Urol 191(5): 1357-62
    › Primary publication · 24423439 (PubMed) · PMC4846359 (PubMed Central)
  45. Perinephric fat thickness is an independent predictor of operative complexity during robot-assisted partial nephrectomy. Macleod LC, Hsi RS, Gore JL, Wright JL, Harper JD (2014) J Endourol 28(5): 587-91
    › Primary publication · 24377723 (PubMed)
  46. Activity, energy intake, obesity, and the risk of incident kidney stones in postmenopausal women: a report from the Women's Health Initiative. Sorensen MD, Chi T, Shara NM, Wang H, Hsi RS, Orchard T, Kahn AJ, Jackson RD, Miller J, Reiner AP, Stoller ML (2014) J Am Soc Nephrol 25(2): 362-9
    › Primary publication · 24335976 (PubMed) · PMC3904570 (PubMed Central)
  47. Comparison of selective parenchymal clamping to hilar clamping during robotic-assisted laparoscopic partial nephrectomy. Hsi RS, Macleod LC, Gore JL, Wright JL, Harper JD (2014) Urology 83(2): 339-44
    › Primary publication · 24246321 (PubMed) · PMC4843515 (PubMed Central)
  48. Content and face validation of a curriculum for ultrasonic propulsion of calculi in a human renal model. Hsi RS, Dunmire B, Cunitz BW, He X, Sorensen MD, Harper JD, Bailey MR, Lendvay TS (2014) J Endourol 28(4): 459-63
    › Primary publication · 24228719 (PubMed) · PMC3961775 (PubMed Central)
  49. Noninvasive ureterocele puncture using pulsed focused ultrasound: an in vitro study. Maxwell AD, Hsi RS, Bailey MR, Casale P, Lendvay TS (2014) J Endourol 28(3): 342-6
    › Primary publication · 24171441 (PubMed) · PMC3929044 (PubMed Central)
  50. Severe obesity is associated with 3-fold higher radiation dose rate during ureteroscopy. Hsi RS, Zamora DA, Kanal KM, Harper JD (2013) Urology 82(4): 780-5
    › Primary publication · 23958504 (PubMed) · PMC4843513 (PubMed Central)
  51. Comparison of tissue injury from focused ultrasonic propulsion of kidney stones versus extracorporeal shock wave lithotripsy. Connors BA, Evan AP, Blomgren PM, Hsi RS, Harper JD, Sorensen MD, Wang YN, Simon JC, Paun M, Starr F, Cunitz BW, Bailey MR, Lingeman JE (2014) J Urol 191(1): 235-41
    › Primary publication · 23917165 (PubMed) · PMC3865142 (PubMed Central)
  52. Focused ultrasonic propulsion of kidney stones: review and update of preclinical technology. Sorensen MD, Bailey MR, Hsi RS, Cunitz BW, Simon JC, Wang YN, Dunmire BL, Paun M, Starr F, Lu W, Evan AP, Harper JD (2013) J Endourol 27(10): 1183-6
    › Primary publication · 23883117 (PubMed) · PMC3787400 (PubMed Central)
  53. Effective and organ specific radiation doses from videourodynamics in children. Hsi RS, Dearn J, Dean M, Zamora DA, Kanal KM, Harper JD, Merguerian PA (2013) J Urol 190(4): 1364-9
    › Primary publication · 23707437 (PubMed) · PMC4843507 (PubMed Central)
  54. Focused ultrasound to expel calculi from the kidney: safety and efficacy of a clinical prototype device. Harper JD, Sorensen MD, Cunitz BW, Wang YN, Simon JC, Starr F, Paun M, Dunmire B, Liggitt HD, Evan AP, McAteer JA, Hsi RS, Bailey MR (2013) J Urol 190(3): 1090-5
    › Primary publication · 23583535 (PubMed) · PMC4414252 (PubMed Central)
  55. Validity and reliability of a smartphone application for the assessment of penile deformity in Peyronie's disease. Hsi RS, Hotaling JM, Hartzler AL, Holt SK, Walsh TJ (2013) J Sex Med 10(7): 1867-73
    › Primary publication · 23551808 (PubMed)
  56. Combined partial cystectomy and cesarean delivery in a pregnant female with bladder pheochromocytoma. Hsi RS, Welty CJ, Sorensen MD, Koreishi AF, Wessells H (2013) Can J Urol 20(1): 6646-8
    › Primary publication · 23433139 (PubMed)
  57. Fluoroless ureteroscopy: zero-dose fluoroscopy during ureteroscopic treatment of urinary-tract calculi. Hsi RS, Harper JD (2013) J Endourol 27(4): 432-7
    › Primary publication · 23194092 (PubMed)
  58. B-mode ultrasound versus color Doppler twinkling artifact in detecting kidney stones. Sorensen MD, Harper JD, Hsi RS, Shah AR, Dighe MK, Carter SJ, Moshiri M, Paun M, Lu W, Bailey MR (2013) J Endourol 27(2): 149-53
    › Primary publication · 23067207 (PubMed) · PMC3573723 (PubMed Central)
  59. Publication misrepresentation among urology residency applicants. Hsi RS, Hotaling JM, Moore TN, Joyner BD (2013) World J Urol 31(3): 697-702
    › Primary publication · 22729465 (PubMed)
  60. Quantitative assessment of shockwave lithotripsy accuracy and the effect of respiratory motion. Sorensen MD, Bailey MR, Shah AR, Hsi RS, Paun M, Harper JD (2012) J Endourol 26(8): 1070-4
    › Primary publication · 22471349 (PubMed) · PMC3412057 (PubMed Central)
  61. In vitro comparison of changes in effective patient weight between purely laparoscopic and hand-assisted laparoscopic surgery. McAllister MW, Hsi RS, Torrey RR, Simmons Z, Baldwin BD, Baldwin DD (2011) J Endourol 25(4): 651-5
    › Primary publication · 21438691 (PubMed)
  62. Isolated infection of a decommissioned penile prosthesis reservoir with Actinomyces neuii. Hsi RS, Hotaling JM, Spencer ES, Bollyky PL, Walsh TJ (2011) J Sex Med 8(3): 923-6
    › Primary publication · 21143418 (PubMed)
  63. Analysis of techniques to secure the renal hilum during laparoscopic donor nephrectomy: review of the FDA database. Hsi RS, Ojogho ON, Baldwin DD (2009) Urology 74(1): 142-7
    › Primary publication · 19406458 (PubMed)
  64. Prospective comparison of four laparoscopic vessel ligation devices. Lamberton GR, Hsi RS, Jin DH, Lindler TU, Jellison FC, Baldwin DD (2008) J Endourol 22(10): 2307-12
    › Primary publication · 18831673 (PubMed)
  65. Mechanisms of hemostatic failure during laparoscopic nephrectomy: review of Food and Drug Administration database. Hsi RS, Saint-Elie DT, Zimmerman GJ, Baldwin DD (2007) Urology 70(5): 888-92
    › Primary publication · 17919695 (PubMed)