Mitchell R Humphreys, MD

Associate Dean MSCPD, Endourology Fellowship Director

  • 1516 Citations
  • 21 Scopus h-Index
20042019
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Research Output 2004 2019

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Article
2019
1 Citation (Scopus)

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
Prostatic Hyperplasia
Prostate
Length of Stay
Safety
Ejaculation
5 Citations (Scopus)

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

Prostatic Hyperplasia
Prostate
Length of Stay
Safety
Lower Urinary Tract Symptoms

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

Solid-State Lasers
Ambulatory Surgical Procedures
Prostate
Patient Discharge
Hematuria

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

Solid-State Lasers
Prostate
Prostatic Hyperplasia
Transurethral Resection of Prostate
Lower Urinary Tract Symptoms
1 Citation (Scopus)

MRI - Ultrasound fusion guided biopsy of the prostate: Lesion volume as a predictor of cancer in patients with repeat biopsies

Blaine, S., Abdul-Muhsin, H., Jakob, N., Andrews, P., Ferrigni, R., Cha, S., Golshani, A., Silva, A., Kawashima, A. & Humphreys, M., Jul 1 2019, In : Indian Journal of Urology. 35, 3, p. 208-212 5 p.

Research output: Contribution to journalArticle

Prostate
Magnetic Resonance Imaging
Biopsy
Neoplasms
Information Systems
1 Citation (Scopus)

Robotic vs. open cystectomy: How length-of-stay differences relate conditionally to age

Faraj, K., Chang, Y. H. H., Neville, M. R., Blodgett, G., Etzioni, D. A., Habermann, E. B., Andrews, P. E., Castle, E. P., Humphreys, M. R. & Tyson, M. D., Jan 1 2019, In : Urologic Oncology: Seminars and Original Investigations.

Research output: Contribution to journalArticle

Cystectomy
Robotics
Length of Stay
Confidence Intervals
Quality Improvement

Single-dose perioperative mitomycin-C versus thiotepa for low-grade noninvasive bladder cancer

Faraj, K., Chang, Y. H. H., Rose, K. M., Habermann, E. B., Etzioni, D. A., Blodgett, G., Castle, E. P., Humphreys, M. R. & Tyson, M. D., Oct 1 2019, In : The Canadian journal of urology. 26, 5, p. 9922-9930 9 p.

Research output: Contribution to journalArticle

Thiotepa
Mitomycin
Urinary Bladder Neoplasms
Recurrence
Urinary Bladder
13 Citations (Scopus)

WATER II (80–150 mL) procedural outcomes

Desai, M., Bidair, M., Bhojani, N., 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. & Zorn, K. C., Jan 1 2019, In : BJU International. 123, 1, p. 106-112 7 p.

Research output: Contribution to journalArticle

Prostate
Prostatic Hyperplasia
Hemostasis
Electrocoagulation
Traction
2018
5 Citations (Scopus)

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

Percutaneous Nephrostomy
Randomized Controlled Trials
Anti-Bacterial Agents
Population
Sepsis
20 Citations (Scopus)

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

Multicenter Studies
Research
Multivariate Analysis
Ureteroscopy
Patient Readmission
1 Citation (Scopus)

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

Research
Proteus
Urinalysis
Urease
Enterococcus
2017
1 Citation (Scopus)

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

Electronic Health Records
Communication
Urology
Group Practice
Information Dissemination
9 Citations (Scopus)

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

Solid-State Lasers
Prostate
Equipment and Supplies
Salvage Therapy
Retreatment
7 Citations (Scopus)

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

Learning Curve
Solid-State Lasers
Prostate
Efficiency
Characiformes

Natural Orifice Transluminal Endoscopic Partial Prostatectomy: A Real-time Image-guided Focal Extirpative Feasibility Study

Abdul-Muhsin, H. M., Jakob, N. J., Kawashima, A., Silva, A. C., Stanton, M. L., Moshero, G., Castle, E. P., Andrews, P. E. & Humphreys, M. R., 2017, (Accepted/In press) In : Urology.

Research output: Contribution to journalArticle

Feasibility Studies
Prostatectomy
Magnetic Resonance Imaging
Prostatic Neoplasms
Ultrasonography
7 Citations (Scopus)

Outcomes of Holmium Laser Enucleation of the Prostate in the Re-Treatment Setting

Marien, T., Kadihasanoglu, M., Tangpaitoon, T., York, N., Blackburne, A. T., Abdul-Muhsin, H., Borofsky, M. S., Krambeck, A. E., Humphreys, M. R., Lingeman, J. E. & Miller, N. L., Jun 1 2017, In : Journal of Urology. 197, 6, p. 1517-1522 6 p.

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Therapeutics
Urethral Stricture
Prostatic Hyperplasia
2 Citations (Scopus)

Rapid kV-switching single-source dual-energy CT ex vivo renal calculi characterization using a multiparametric approach: refining parameters on an expanded dataset

Kriegshauser, J. S., Paden, R. G., He, M., Humphreys, M. R., Zell, S. I., Fu, Y., Wu, T., Sugi, M. D. & Silva, A. C., Sep 26 2017, (Accepted/In press) In : Abdominal Radiology. p. 1-7 7 p.

Research output: Contribution to journalArticle

Kidney Calculi
Tomography
Kidney
Decision Trees
Calcium Oxalate
32 Citations (Scopus)

The Economic Implications of a Reusable Flexible Digital Ureteroscope: A Cost-Benefit Analysis

Martin, C. J., McAdams, S. B., Abdul-Muhsin, H., Lim, V. M., Nunez-Nateras, R., Tyson, M. D. & Humphreys, M. R., Mar 1 2017, In : Journal of Urology. 197, 3, p. 730-735 6 p.

Research output: Contribution to journalArticle

Ureteroscopes
Cost-Benefit Analysis
Economics
Costs and Cost Analysis
Ureteroscopy
1 Citation (Scopus)

The Informed Patient: An Analysis of Information Seeking Behavior and Surgical Outcomes Among Men With Benign Prostatic Hyperplasia

Abdul-Muhsin, H., Tyson, M., Raghu, S. & Humphreys, M. R., Jan 1 2017, In : American Journal of Men's Health. 11, 1, p. 147-153 7 p.

Research output: Contribution to journalArticle

Information Seeking Behavior
information-seeking behavior
Prostatic Hyperplasia
source of information
layperson
2016
3 Citations (Scopus)

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

Prostatic Hyperplasia
Prostate
Reproductive Health
Solid-State Lasers
Hyperplasia
4 Citations (Scopus)

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

Solid-State Lasers
Prostate
Lasers
Foot
Logistic Models

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

8 Citations (Scopus)

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

Percutaneous Nephrostomy
Inpatients
Censuses
Cross-Sectional Studies
Databases
1 Citation (Scopus)

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

Prostatic Hyperplasia
Stents
Infection
Erectile Dysfunction
Hyperlipidemias
41 Citations (Scopus)

Natural History, Complications and Re-Intervention Rates of Asymptomatic Residual Stone Fragments after Ureteroscopy: A Report from the EDGE Research Consortium

Chew, B. H., Brotherhood, H. L., Sur, R. L., Wang, A. Q., Knudsen, B. E., Yong, C., Marien, T., Miller, N. L., Krambeck, A. E., Charchenko, C. & Humphreys, M. R., 2016, (Accepted/In press) In : Journal of Urology.

Research output: Contribution to journalArticle

Ureteroscopy
Natural History
Research
Logistic Models
Growth
13 Citations (Scopus)

Radical Prostatectomy Trends in the United States: 1998 to 2011

Tyson, M. D., Andrews, P. E., Ferrigni, R. F., Humphreys, M. R., Parker, A. & Castle, E. P., Jan 1 2016, In : Mayo Clinic Proceedings. 91, 1, p. 10-16 7 p.

Research output: Contribution to journalArticle

Prostatectomy
Inpatients
Cross-Sectional Studies
Incidence
1 Citation (Scopus)

The impact of training on the perioperative and intermediate functional outcomes after holmium laser enucleation of the prostate

Abdul-Muhsin, H. M., Tyson, M. D., Stern, K. L., Nunez-Nateras, R. A. & Humphreys, M. R., 2016, In : Canadian Journal of Urology. 23, 6, p. 8557-8563 7 p.

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Reproductive Health
Controlled Environment
Equipment and Supplies
2015
3 Citations (Scopus)

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

Tomography
Kidney
Calcium Oxalate
Kidney Calculi
Cystine
3 Citations (Scopus)

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

Autosomal Dominant Polycystic Kidney
Nephrectomy
Kidney
Blood Transfusion
Conversion to Open Surgery
3 Citations (Scopus)

The impact of ischemia on long-term renal function after partial nephrectomy in the two kidney model

Salevitz, D. A., Patton, M. W., Tyson, M. D., Nunez-Nateras, R., Ferrigni, E. N., Andrews, P. E., Humphreys, M. R. & Castle, E. P., Apr 1 2015, In : Journal of Endourology. 29, 4, p. 474-478 5 p.

Research output: Contribution to journalArticle

Nephrectomy
Ischemia
Kidney
Glomerular Filtration Rate
Creatinine
2014
43 Citations (Scopus)

Dual-energy vs conventional computed tomography in determining stone composition

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

Research output: Contribution to journalArticle

Tomography
Uric Acid
Acids
Calcium Oxalate
Cystine
4 Citations (Scopus)
Natural Orifice Endoscopic Surgery
Urology
History
Terminology
Laparoscopy
4 Citations (Scopus)

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., 2014, In : Urology. 84, 1, p. 78-81 4 p.

Research output: Contribution to journalArticle

Ketorolac
Nephrectomy
Glomerular Filtration Rate
Placebos
Tissue Donors
4 Citations (Scopus)

Obese patients undergoing cystectomy: A population-based, propensity score matched analysis

Tyson, M. D., Humphreys, M. R. & Castle, E. P., 2014, In : International Journal of Urology. 21, 5, p. 491-495 5 p.

Research output: Contribution to journalArticle

Propensity Score
Cystectomy
Body Mass Index
Operative Time
Population
12 Citations (Scopus)

Patient-reported sexual outcomes after holmium laser enucleation of the prostate: A 3-year follow-up study

Klett, D. E., Tyson, M. D., Mmeje, C. O., Nunez-Nateras, R., Chang, Y. H. & Humphreys, M. R., 2014, In : Urology. 84, 2, p. 421-426 6 p.

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Patient Reported Outcome Measures
Lower Urinary Tract Symptoms
Prostatic Hyperplasia
10 Citations (Scopus)
Percutaneous Nephrostomy
Insurance Coverage
Odds Ratio
Confidence Intervals
Comorbidity
3 Citations (Scopus)

Safety and feasibility of concomitant surgery during holmium laser enucleation of the prostate (HoLEP)

Patel, A., Nunez, R., Mmeje, C. O. & Humphreys, M. R., Nov 19 2014, In : World Journal of Urology. 32, 6, p. 1543-1549 7 p.

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Safety
Control Groups
Prostatic Hyperplasia
6 Citations (Scopus)

Urological applications of natural orifice transluminal endoscopic surgery (NOTES)

Tyson, M. D. & Humphreys, M. R., 2014, In : Nature Reviews Urology. 11, 6, p. 324-332 9 p.

Research output: Contribution to journalArticle

Natural Orifice Endoscopic Surgery
Laparoscopy
Urologic Diseases
Cystectomy
Urology
1 Citation (Scopus)

Use of antegrade reverse-thermosensitive polymer during percutaneous nephrolithotomy to prevent fragment migration: Initial experience

Cheney, S. M. & Humphreys, M. R., Feb 2014, In : Urology. 83, 2, p. 489-494 6 p.

Research output: Contribution to journalArticle

Percutaneous Nephrostomy
Polymers
Ureter
Kidney
Lithotripsy
25 Citations (Scopus)

Venous thromboembolism after urological surgery

Tyson, M. D., Castle, E. P., Humphreys, M. R. & Andrews, P. E., 2014, In : Journal of Urology. 192, 3, p. 793-797 5 p.

Research output: Contribution to journalArticle

Venous Thromboembolism
Venous Thrombosis
Pulmonary Embolism
Cystectomy
Urinary Diversion
3 Citations (Scopus)

Xp11.2 translocation tumor: A rare cause of gross hematuria

Asaki, H. E., Moshero, G., Stanton, M. L. & Humphreys, M. R., 2014, In : Journal of the American Academy of Physician Assistants. 27, 2, p. 24-27 4 p.

Research output: Contribution to journalArticle

Hematuria
Neoplasms
Renal Cell Carcinoma
Young Adult
Differential Diagnosis
2013
16 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Renal Cell Carcinoma
Cohort Studies
Kidney Neoplasms
Demography
Incidence
14 Citations (Scopus)

Age-stratified outcomes of holmium laser enucleation of the prostate

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

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Length of Stay
Age Groups
Morbidity
15 Citations (Scopus)

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

Laser Lithotripsy
Safety
Weights and Measures
Ureteroscopy
Urolithiasis
8 Citations (Scopus)

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 2013, In : World Journal of Urology. 31, 3, p. 523-527 5 p.

Research output: Contribution to journalArticle

Hemostatics
Prostatectomy
Polysaccharides
Blood Transfusion
Hemoglobins
9 Citations (Scopus)

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 2013, In : Urology. 81, 4, p. 844-848 5 p.

Research output: Contribution to journalArticle

Solid-State Lasers
Prostate
Urine
Operative Time
Multivariate Analysis

Editorial comment

Humphreys, M. R., Jun 2013, In : Urology. 81, 6, p. 1182-1183 2 p.

Research output: Contribution to journalArticle

Transurethral Resection of Prostate
Prostatic Hyperplasia
Laser Therapy
Prostatectomy
7 Citations (Scopus)

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 2013, In : Molecular and Cellular Endocrinology. 383, 1-2, p. 69-79 11 p.

Research output: Contribution to journalArticle

Aminobutyrates
Epidermal Growth Factor Receptor
Prostatic Neoplasms
Chemical activation
Castration
29 Citations (Scopus)

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 2013, In : Canadian Journal of Urology. 20, 2, p. 6702-6706 5 p.

Research output: Contribution to journalArticle

Marital Status
Prostatic Neoplasms
Mortality
Widowhood
Neoplasms
16 Citations (Scopus)

Oncologic outcomes for lymph node-positive urothelial carcinoma patients treated with robot assisted radical cystectomy: With mean follow-up of 3.5 years

Mmeje, C. O., Nunez-Nateras, R., Nielsen, M. E., Pruthi, R. S., Smith, A., Wallen, E. M., Humphreys, M. R., Woods, M. E. & Castle, E. P., Nov 2013, In : Urologic Oncology: Seminars and Original Investigations. 31, 8, p. 1621-1627 7 p.

Research output: Contribution to journalArticle

Cystectomy
Lymph Nodes
Carcinoma
Survival
Urinary Bladder Neoplasms