Mitchell R Humphreys, MD

Associate Dean MSCPD, Endourology Fellowship Director

  • 1599 Citations
  • 21 Scopus h-Index
20042020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Article

Accuracy of ultrasound in estimation of prostate weight: Comparison of urologists and radiologists

Nunez-Nateras, R., Andrews, J. R., Martin, G. L., Andrews, P. E., Humphreys, M. R., Ferrigni, R. G., Eversman, W. G. & Castle, E. P., Feb 1 2010, In : Canadian Journal of Urology. 17, 1, p. 4985-4988 4 p.

Research output: Contribution to journalArticle

9 Scopus citations

Adherence to the American Urological Association Choosing Wisely® Recommendations

Ulin, L., Humphreys, M. R., Black, P. C., Derweesh, I. H. & Prince, J., 2017, (Accepted/In press) In : Urology Practice.

Research output: Contribution to journalArticle

1 Scopus citations

A double-blind randomized controlled trial of continuous intravenous ketorolac vs placebo for adjuvant pain control after renal surgery

Grimsby, G. M., Conley, S. P., Trentman, T. L., Castle, E. P., Andrews, P. E., Mihalik, L. A., Hentz, J. G. & Humphreys, M. R., Nov 2012, In : Mayo Clinic proceedings. 87, 11, p. 1089-1097 9 p.

Research output: Contribution to journalArticle

17 Scopus citations

Age-period-cohort analysis of renal cell carcinoma in United States adults

Tyson, M. D., Humphreys, M. R., Parker, A. S., Thiel, D. D., Joseph, R. W., Andrews, P. E. & Castle, E. P., Jul 1 2013, In : Urology. 82, 1, p. 43-47 5 p.

Research output: Contribution to journalArticle

16 Scopus citations

Age-stratified outcomes of holmium laser enucleation of the prostate

Mmeje, C. O., Nunez-Nateras, R., Warner, J. N. & Humphreys, M. R., Nov 1 2013, In : BJU international. 112, 7, p. 982-989 8 p.

Research output: Contribution to journalArticle

15 Scopus citations

A multicenter comparison of the safety and effectiveness of ureteroscopic laser lithotripsy in obese and normal weight patients

Chew, B. H., Zavaglia, B., Paterson, R. F., Teichman, J. M. H., Lange, D., Zappavigna, C., Matlaga, B. R., Nunez-Nateras, R., Bruhn, A., Altamar, H. O., Humphreys, M. R., Shah, O. & Miller, N. L., Jun 1 2013, In : Journal of endourology. 27, 6, p. 710-714 5 p.

Research output: Contribution to journalArticle

15 Scopus citations

A multiinstitutional study of the effects of medical therapy for lower urinary symptoms on the perioperative outcomes of holmium laser enucleation of the prostate

Warner, J. N., Nunez, R. N., Tyson, M. D., Viprakasit, D. P., Miller, N. L. & Humphreys, M. R., Dec 1 2011, In : Urology. 78, 6, p. 1385-1390 6 p.

Research output: Contribution to journalArticle

6 Scopus citations

Analysis of benign prostatic hyperplasia patients' perspective through a third party-administered survey

Abdul-Muhsin, H. M., Tyson, M. D., Andrews, P. E., Castle, E. P., Ferrigni, R. G., Wolter, C. E., Swanson, S. K., McLemore, R. Y. & Humphreys, M. R., Feb 1 2016, In : Urology. 88, p. 155-160 6 p.

Research output: Contribution to journalArticle

3 Scopus citations

Anatomic site-specific disparities in survival outcomes for penile squamous cell carcinoma

Tyson, M. D., Etzioni, D. A., Wisenbaugh, E. S., Andrews, P. E., Humphreys, M. R., Ferrigni, R. G., Swanson, S. K. & Castle, E. P., Apr 1 2012, In : Urology. 79, 4, p. 804-808 5 p.

Research output: Contribution to journalArticle

5 Scopus citations

A New Laser Platform for Holmium Laser Enucleation of the Prostate: Does the Lumenis Pulse 120H Laser Platform Improve Enucleation Efficiency?

Stern, K. L., McAdams, S. B., Cha, S. S., Abdul-Muhsin, H. M. & Humphreys, M. R., Sep 28 2016, (Accepted/In press) In : Urology.

Research output: Contribution to journalArticle

4 Scopus citations

A New World Revealed: Early Experience With Digital Ureteroscopy

Humphreys, M. R., Miller, N. L., Williams, J. C., Evan, A. P., Munch, L. C. & Lingeman, J. E., Mar 1 2008, In : Journal of Urology. 179, 3, p. 970-975 6 p.

Research output: Contribution to journalArticle

39 Scopus citations

Aquablation for Benign Prostatic Hyperplasia in Large Prostates (80-150 cc): 1-Year Results

Bhojani, N., Bidair, M., Zorn, K. C., Trainer, A., Arther, A., Kramolowsky, E., Doumanian, L., Elterman, D., Kaufman, R. P., Lingeman, J., Krambeck, A., Eure, G., Badlani, G., Plante, M., Uchio, E., Gin, G., Goldenberg, L., Paterson, R., So, A., Humphreys, M. R. & 4 others, Kaplan, S., Motola, J., Desai, M. & Roehrborn, C., Jan 1 2019, In : Urology.

Research output: Contribution to journalArticle

Open Access
5 Scopus citations

Aquablation for benign prostatic hyperplasia in large prostates (80–150 mL): 6-month results from the WATER II trial

Desai, M., Bidair, M., Zorn, K. C., Trainer, A., Arther, A., Kramolowsky, E., Doumanian, L., Elterman, D., Kaufman, R. P., Lingeman, J., Krambeck, A., Eure, G., Badlani, G., Plante, M., Uchio, E., Gin, G., Goldenberg, L., Paterson, R., So, A., Humphreys, M. R. & 4 others, Roehrborn, C., Kaplan, S., Motola, J. & Bhojani, N., Jan 1 2019, In : BJU international.

Research output: Contribution to journalArticle

10 Scopus citations

A Randomized Controlled Trial of Preoperative Prophylactic Antibiotics Prior to Percutaneous Nephrolithotomy in a Low Infectious Risk Population: A Report from the EDGE Consortium

Chew, B. H., Miller, N. L., Abbott, J. E., Lange, D., Humphreys, M. R., Pais, V. M., Monga, M., Krambeck, A. E. & Sur, R. L., Oct 1 2018, In : Journal of Urology. 200, 4, p. 801-808 8 p.

Research output: Contribution to journalArticle

9 Scopus citations

Assessment of Polyethylene Glycol Hydrogel Spacer and Its Effect on Rectal Radiation Dose in Prostate Cancer Patients Receiving Proton Beam Radiation Therapy

Navaratnam, A., Cumsky, J., Abdul-Muhsin, H., Gagneur, J., Shen, J., Kosiorek, H., Golafshar, M., Kawashima, A., Wong, W., Ferrigni, R. & Humphreys, M. R., Jan 1 2019, (Accepted/In press) In : Advances in Radiation Oncology.

Research output: Contribution to journalArticle

Open Access

Athermal nerve sparing robot-assisted radical prostatectomy: Initial experience with microporous polysaccharide hemospheres as a topical hemostatic agent

Nunez-Nateras, R., Hurd, K. J., Ferrigni, E. N., Castle, E. P., Andrews, P. E. & Humphreys, M. R., Jun 1 2013, In : World Journal of Urology. 31, 3, p. 523-527 5 p.

Research output: Contribution to journalArticle

10 Scopus citations

Author Reply

Stern, K., Tyson, M. D. & Humphreys, M. R., May 1 2016, In : Urology. 91, p. 45 1 p.

Research output: Contribution to journalArticle

Bilateral laparoscopic nephrectomy for significantly enlarged polycystic kidneys: A technique to optimize outcome in the largest of specimens

Desai, P. J., Castle, E. P., Daley, S. M., Swanson, S. K., Ferrigni, R. G., Humphreys, M. R. & Andrews, P. E., Apr 1 2008, In : BJU international. 101, 8, p. 1019-1023 5 p.

Research output: Contribution to journalArticle

22 Scopus citations

Bleeding after holmium laser enucleation of the prostate: Lessons learned the hard way

Martin, A. D., Nunez, R. N. & Humphreys, M. R., Feb 1 2011, In : BJU international. 107, 3, p. 433-437 5 p.

Research output: Contribution to journalArticle

11 Scopus citations

Can the kidney function as a lung? Systemic oxygenation and renal preservation during retrograde perfusion of the ischaemic kidney in rabbits

Humphreys, M. R., Ereth, M. H., Sebo, T. J., Slezak, J. M., Dong, Y., Blute, M. L. & Gettman, M. T., Sep 1 2006, In : BJU international. 98, 3, p. 674-679 6 p.

Research output: Contribution to journalArticle

9 Scopus citations

Case presentation

Chew, B. H., Paterson, R. F., Ferlic, E. A., Humphreys, M. R., Gershman, B. & Eisner, B. H., Jul 1 2011, In : Journal of endourology. 25, 7, p. 1105-1109 5 p.

Research output: Contribution to journalArticle

Comparing the portable laparoscopic trainer with a standardized trainer in surgically naïve subjects

Nakamura, L. Y., Martin, G. L., Fox, J. C., Andrews, P. E., Humphreys, M. & Castle, E. P., Jan 1 2012, In : Journal of endourology. 26, 1, p. 67-72 6 p.

Research output: Contribution to journalArticle

5 Scopus citations

Comparison of total, selective, and nonarterial clamping techniques during laparoscopic and robot-assisted partial nephrectomy

Martin, G. L., Warner, J. N., Nateras, R. N., Andrews, P. E., Humphreys, M. R. & Castle, E. P., Feb 1 2012, In : Journal of endourology. 26, 2, p. 152-156 5 p.

Research output: Contribution to journalArticle

29 Scopus citations

Contemporary Trends in Percutaneous Nephrolithotomy in the United States: 1998-2011

Stern, K. L., Tyson, M. D., Abdul-Muhsin, H. M. & Humphreys, M. R., May 1 2016, In : Urology. 91, p. 41-44 4 p.

Research output: Contribution to journalArticle

9 Scopus citations

Different approaches to an inguinal hernia repair during a simultaneous robot-assisted radical prostatectomy

Nakamura, L. Y., Nunez, R. N., Castle, E. P., Andrews, P. E. & Humphreys, M. R., Apr 1 2011, In : Journal of endourology. 25, 4, p. 621-624 4 p.

Research output: Contribution to journalArticle

13 Scopus citations

Does prostate morphology affect outcomes after holmium laser enucleation?

Wisenbaugh, E. S., Nunez-Nateras, R., Mmeje, C. O., Warner, J. N. & Humphreys, M. R., Apr 1 2013, In : Urology. 81, 4, p. 844-848 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

Dual-energy vs conventional computed tomography in determining stone composition

Wisenbaugh, E. S., Paden, R. G., Silva, A. C. & Humphreys, M. R., Jun 2014, In : Urology. 83, 6, p. 1243-1247 5 p.

Research output: Contribution to journalArticle

44 Scopus citations

Dusting versus Basketing during Ureteroscopy–Which Technique is More Efficacious? A Prospective Multicenter Trial from the EDGE Research Consortium

Humphreys, M. R., Shah, O. D., Monga, M., Chang, Y. H., Krambeck, A. E., Sur, R. L., Miller, N. L., Knudsen, B. E., Eisner, B. H., Matlaga, B. R. & Chew, B. H., May 1 2018, In : Journal of Urology. 199, 5, p. 1272-1276 5 p.

Research output: Contribution to journalArticle

25 Scopus citations

Evaluating factors that dictate struvite stone composition: A multiinstitutional clinical experience from the EDGE Research Consortium

Flannigan, R. K., Battison, A., De, S., Humphreys, M. R., Bader, M., Lellig, E., Monga, M., Chew, B. H. & Lange, D., Apr 1 2018, In : Canadian Urological Association Journal. 12, 4, p. 131-136 6 p.

Research output: Contribution to journalArticle

1 Scopus citations

Ex Vivo Renal Stone Characterization with Single-Source Dual-Energy Computed Tomography: A Multiparametric Approach

Kriegshauser, J. S., Silva, A. C., Paden, R. G., He, M., Humphreys, M. R., Zell, S. I., Fu, Y. & Wu, T., Aug 7 2015, (Accepted/In press) In : Academic Radiology.

Research output: Contribution to journalArticle

3 Scopus citations

Feasibility of holmium laser enucleation of the prostate as a 1-day surgery

Abdul-Muhsin, H., Critchlow, W., Navaratnam, A., Gnecco, J., Tay, K., Girardo, M., Andrews, P., Cheney, S. & Humphreys, M. R., Jan 1 2019, In : World Journal of Urology.

Research output: Contribution to journalArticle

1 Scopus citations

Holmium laser enucleation of the prostate: Efficiency gained by experience and operative technique

Dusing, M. W., Krambeck, A. E., Terry, C., Matlaga, B. R., Miller, N. L., Humphreys, M. R., Gnessin, E. & Lingeman, J. E., Jun 21 2010, In : Journal of Urology. 184, 2, p. 635-640 6 p.

Research output: Contribution to journalArticle

30 Scopus citations

Holmium laser enucleation of the prostate (HoLEP): a review and update

Das, A. K., Teplitsky, S. & Humphreys, M. R., Aug 1 2019, In : The Canadian journal of urology. 26, 4S1, p. 13-19 7 p.

Research output: Contribution to journalArticle

1 Scopus citations

Holmium Laser Enucleation of the Prostate after Prostatic Urethral Lift Surgery: Feasibility and Technical Considerations from a Multi-Institutional Case Series

McAdams, S., Funk, J. T., Navetta, A. F., El Tayeb, M. M. & Humphreys, M. R., Aug 1 2017, In : Journal of Endourology. 31, 8, p. 774-779 6 p.

Research output: Contribution to journalArticle

10 Scopus citations

Holmium Laser Enucleation of the Prostate-Outcomes Independent of Prostate Size?

Humphreys, M. R., Miller, N. L., Handa, S. E., Terry, C., Munch, L. C. & Lingeman, J. E., Dec 1 2008, In : Journal of Urology. 180, 6, p. 2431-2435 5 p.

Research output: Contribution to journalArticle

70 Scopus citations

Impact of margin status at 37 months after robot assisted radical prostatectomy

Warner, J. N., Nunez, R. N., Mmeje, C. O., Colby, T. V., Ferrigni, R. G., Humphreys, M. R., Andrews, P. E. & Castle, E. P., Dec 1 2011, In : Canadian Journal of Urology. 18, 6, p. 6043-6049 7 p.

Research output: Contribution to journalArticle

3 Scopus citations

Incidental prostate cancer revisited: Early outcomes after holmium laser enucleation of the prostate

Nunez, R., Hurd, K. J., Noble, B. N., Castle, E. P., Andrews, P. E. & Humphreys, M. R., Jul 1 2011, In : International Journal of Urology. 18, 7, p. 543-547 5 p.

Research output: Contribution to journalArticle

18 Scopus citations

Incontinence after radical prostatectomy: A patient centered analysis and implications for preoperative counseling

Martin, A. D., Nakamura, L. Y., Nunez, R. N., Wolter, C. E., Humphreys, M. R. & Castle, E. P., Jul 1 2011, In : Journal of Urology. 186, 1, p. 204-208 5 p.

Research output: Contribution to journalArticle

18 Scopus citations

Infectious complications associated with the use of temporary prostatic urethral stents in patients with benign prostatic hyperplasia

Abdul-Muhsin, H. M., Jakob, N. J., McLemore, R. M., McAdams, S. B. & Humphreys, M. R., 2016, In : Canadian Journal of Urology. 23, 5, p. 8465-8470 6 p.

Research output: Contribution to journalArticle

2 Scopus citations

Interval from prostate biopsy to robot-assisted radical prostatectomy: Effects on perioperative outcomes

Martin, G. L., Nunez, R. N., Humphreys, M. D., Martin, A. D., Ferrigni, R. G., Andrews, P. E. & Castle, E. P., Dec 1 2009, In : BJU international. 104, 11, p. 1734-1737 4 p.

Research output: Contribution to journalArticle

24 Scopus citations

Laparoscopic biopsy and ureterolysis in Erdheim-Chester disease

Castle, E. P., Humphreys, M. R. & Andrews, P. E., Apr 2005, In : Mayo Clinic proceedings. 80, 4, p. 546-548 3 p.

Research output: Contribution to journalArticle

Open Access
5 Scopus citations

Laparoscopic radical nephrectomy for very large renal tumors (≥10 cm): Is there a size limit?

Conley, S. P., Humphreys, M. R., Desai, P. J., Castle, E. P., Dueck, A. C., Ferrigni, R. G. & Andrews, P. E., Jan 1 2009, In : Journal of endourology. 23, 1, p. 57-61 5 p.

Research output: Contribution to journalArticle

12 Scopus citations

Linking γ-aminobutyric acid A receptor to epidermal growth factor receptor pathways activation in human prostate cancer

Wu, W., Yang, Q., Fung, K. M., Humphreys, M. R., Brame, L. S., Cao, A., Fang, Y. T., Shih, P. T., Kropp, B. P. & Lin, H. K., Dec 1 2013, In : Molecular and Cellular Endocrinology. 383, 1-2, p. 69-79 11 p.

Research output: Contribution to journalArticle

7 Scopus citations

Long-term renal function after donor nephrectomy: Secondary follow-up analysis of the randomized trial of ketorolac vs placebo

Grimsby, G. M., Andrews, P. E., Castle, E. P., Nunez, R., Mihalik, L. A., Chang, Y. H. H. & Humphreys, M. R., Jan 1 2014, In : Urology. 84, 1, p. 78-81 4 p.

Research output: Contribution to journalArticle

4 Scopus citations

Marital status and prostate cancer outcomes

Tyson, M. D., Andrews, P. E., Etzioni, D. A., Ferrigni, R. G., Humphreys, M. R., Swanson, S. K. & Castle, E. P., Apr 1 2013, In : Canadian Journal of Urology. 20, 2, p. 6702-6706 5 p.

Research output: Contribution to journalArticle

31 Scopus citations

Massive renal size is not a contraindication to a laparoscopic approach for bilateral native nephrectomies in autosomal dominant polycystic kidney disease (ADPKD)

Wisenbaugh, E. S., Tyson, M. D., Castle, E. P., Humphreys, M. R. & Andrews, P. E., May 1 2015, In : BJU International. 115, 5, p. 796-801 6 p.

Research output: Contribution to journalArticle

4 Scopus citations

Medical expulsive therapy in a tertiary care emergency department

Itano, N., Ferlic, E., Nunez-Nateras, R. & Humphreys, M. R., Jun 1 2012, In : Urology. 79, 6, p. 1242-1246 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

Microporous polysaccharide hemospheres for management of laparoscopic trocar injury to the spleen

Humphreys, M. R., Castle, E. P., Andrews, P. E., Gettman, M. T. & Ereth, M. H., Jan 1 2008, In : American journal of surgery. 195, 1, p. 99-103 5 p.

Research output: Contribution to journalArticle

37 Scopus citations

Modified ureterosigmoidostomy (Mainz Pouch II): A nonrefluxing stented vs unstented laparoscopic porcine model

Humphreys, M. R., Miller, N. L. & Lingeman, J. E., Jan 1 2008, In : BJU international. 101, 2, p. 238-244 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

Morcellation Efficiency in Holmium Laser Enucleation of the Prostate: Oscillating Morcellator Outperforms Reciprocating Morcellator With no Apparent Learning Curve

McAdams, S., Nunez-Nateras, R., Martin, C. J., Cha, S. & Humphreys, M. R., Aug 1 2017, In : Urology. 106, p. 173-177 5 p.

Research output: Contribution to journalArticle

7 Scopus citations