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David T. Tzou

Nationality
United States
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Description

Education
 8/1998 – 5/2002  University of California – Berkeley
                             Berkeley, CA
                             B.A. Economics 2002
 7/2004 – 5/2008 University of Arizona College of Medicine
                            Tucson, AZ
                             M.D. 2008

 

Post-Graduate Training
 7/2008 – 6/2009Internship, Department of Surgery
 University of Arizona College of Medicine
 Tucson, AZ

 7/2009 – 6/2012 Residency, Division of Urology
 University of Arizona College of Medicine
 Tucson, AZ

 

7/2012 – 6/2013 Chief Resident, Division of Urology
University of Arizona College of Medicine
Tucson, AZ

 

7/2017 – 6/2018Clinical Fellow, Endourology and Laparoscopy
Department of Urology
University of California San Francisco
San Francisco, CA
Fellowship Directors: Marshall L. Stoller & Thomas Chi

 

Board Certification

2/2015American Board of Urology (ABU) – Certificate #18885

 

Specialty Certification
6/2018            2-year Fellowship in Endourology/Stone Surgery - Endourological Society

 

Licensure
2013 - present Arizona #47601
2015 - presentCalifornia #137612

 

Academic Appointments
8/2013 – 6/2015Assistant Professor, Division of Urology, Department of Surgery
 University of Arizona College of Medicine, Tucson, AZ

 

9/2015 – 6/2017Post-Doctoral Research Fellow – Department of Urology
 University of California San Francisco, San Francisco, CA

 

3/2016 – 6/2017Assistant Adjunct Professor – Department of Urology
 University of California San Francisco, San Francisco, CA

 

7/2017 – 6/2018Clinical Fellow, Endourology and Laparoscopy – Department of Urology
 University of California San Francisco, San Francisco, CA

 

8/2018 – presentAssistant Professor, Division of Urology, Department of Surgery
 University of Arizona College of Medicine, Tucson, AZ

 

Hospital Appointments
8/2013 – 6/2015University of Arizona South Campus Hospital             Tucson, AZ
8/2013 – 6/2015University of Arizona University Campus Hospital     Tucson, AZ
3/2016 – 6/2017 University of California San Francisco   San Francisco, CA
5/2016 – 6/2017 Zuckerberg San Francisco General Hospital   San Francisco, CA

8/2018 – presentBanner - University of Arizona Hospital                Tucson, AZ

 

Professional Organizations
American Urological Association   2009 – present
Western Section American Urological Association   2014 – present
Endourological Society   2014 – present
Arizona Urological Society   2013 – present
American Academy of Communication in Healthcare   2016 – present


Honors & Awards 

11/20072nd Place – Western Section AUA, Poster Session, Scottsdale, AZ 

 

5/2010 University Medical Center Physician of the Month, Tucson, AZ

 

5/2011, 2/2012Gold Star Award – Southern Arizona VA Health Care System
 – for delivering exceptional patient care

 

6/2011Dr. George W. Drach Award   
 – resident who exemplifies compassion in Urologic patient care
 Division of Urology, University of Arizona College of Medicine

 

10/20162nd Place – Western Section AUA, Poster Session, Kauai, HI

 

Hospital Appointments
8/2013 – 6/2015University of Arizona South Campus Hospital             Tucson, AZ
8/2013 – 6/2015University of Arizona University Campus Hospital     Tucson, AZ
3/2016 – 6/2017 University of California San Francisco   San Francisco, CA
5/2016 – 6/2017 Zuckerberg San Francisco General Hospital   San Francisco, CA

8/2018 – presentBanner - University of Arizona Hospital                Tucson, AZ


Hospital Committees
10/2014 – 6/2015Credentialing Committee
 University of Arizona South Campus Hospital    Tucson, AZ

 

5/2015 – 6/2015Infectious Disease Prevention Committee
 University of Arizona South Campus Hospital    Tucson, AZ


Teaching Responsibilities
Fellows Education
12/2018University of Arizona – Department of Medicine, Division of Nephrology;
Urologic Issues for the Nephrologist

 

Resident Education
7/2014  University of Arizona – Department of Surgery, Division of Urology;
 Resident Teaching Conference: Quality Improvement and Resident Performance

 

7/2014University of Arizona South Campus – Department of Emergency Medicine;
 Resident Teaching Conference: Urologic Emergencies

 

3/2014University of Arizona South Campus – Department of Internal Medicine;
 Resident Teaching Conference: Urologic Consultations

 

4/2013 University of Arizona University Campus – Department of Internal Medicine;
 Resident Teaching Conference: Urologic Consultations

Medical Student Education
10/2018 University of Arizona College of Medicine: Year III – Surgery Clerkship;  
 Urologic Emergencies - Lecturer, 1 lecture

 

9/2018 University of Arizona College of Medicine: Year III – Surgery Clerkship;  
 Urologic Emergencies - Lecturer, 1 lecture

 

2/2015 University of Arizona College of Medicine: Year II – Life Cycle Block;   
 Testicular Torsion - Lecturer, 1 lecture 

 

8/2014 University of Arizona College of Medicine: Year III – Surgery Clerkship;  
 Urologic Emergencies - Lecturer, 1 lecture

 

7/2014 University of Arizona College of Medicine: Year III – Surgery Clerkship;  
 Urologic Emergencies - Lecturer, 1 lecture

 

2/2014 University of Arizona College of Medicine: Year II – Life Cycle Block;   
 Testicular Torsion - Lecturer, 1 lecture

 

Reviewer for following Peer-reviewed Journals
Journal of Urology
Journal of Endourology

 

Moderator
Podium Session: Kidney and Laparoscopy - 94th Annual Meeting of the Western Section American Urological Association, Maui, HI: Oct 2018.

Session Moderator: PCNL and Ureteroscopy. 45th Annual Arizona Urological Society Meeting. Tucson, AZ. August 2018


Academic Instruction
Course Instructor: Ultrasound-Guided PCNL - Dilation Station.
3rd annual UCSF Urinary Stones Course, San Francisco, CA: May 2018.

Course Instructor: “Modern Alternatives to TURP: Lasers & Bipolar” Morcellation Station. Course #106HO at the 108th Annual Meeting of the American Urological Association, San Diego, CA: May 2013.


Abstract Presentations
DT Tzou, IS Metzler, M Usawachintachit, ML Stoller, T Chi. Ultrasound-guided percutaneous nephrolithotomy (PCNL) in both the prone and supine positions: a step-by-step approach. Moderated Video Session at the 94th Annual Meeting of the Western Section American Urological Association, Maui, HI: Nov 2018.

DT Tzou, IS Metzler, C Tsai, J Goodman, T Chi. Ultrasound-guided morcellation during difficult holmium laser enucleation of the prostate (HoLEP). Moderated Video Session at the 94th Annual Meeting of the Western Section American Urological Association, Maui, HI: Oct 2018.


DT Tzou, M Armas-Phan, S Reliford-Titus, S Zetumer, K Taguchi, M Usawachintachit, ML Stoller, Duty B, T Chi. Renal Tract Dilation is a significant source of radiation exposure during PCNL: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 94th Annual Meeting of the Western Section American Urological Association, Maui, HI: Oct 2018.


DT Tzou, M Armas-Phan, S Wiener, D Bayne, S Reliford-Titus, ML Stoller, T Chi. The Relationship between Calcium Oxalate Stone Analysis and 24-Hour Urine: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 36th World Congress of Endourology Meeting, Paris, France: Sept 2018.


DT Tzou, S Zetumer, M Usawachintachit, S Reliford-Titus, D Isaacson, K Taguchi, B Sherer, ML Stoller, T Chi. Radiation Exposure from CT scans for Urolithiasis: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Podium Presentation at the 113th Annual Meeting of the American Urological Association, San Francisco, CA: May 2018


DT Tzou, M Armas-Phan, S Reliford-Titus, S Zetumer, K Taguchi, M Usawachintachit, ML Stoller, T Chi. Renal Tract Dilation is a significant source of radiation exposure during PCNL: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Podium Presentation at the 113th Annual Meeting of the American Urological Association, San Francisco, CA: May 2018.

 

DT Tzou, M Usawachintachit, D Isaacson, K Taguchi, B Sherer, ML Stoller, T Chi. Radiation Exposure from CT scans for Urolithiasis: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 35th World Congress of Endourology Meeting, Vancouver, BC: Sept 2017.


DT Tzou, D Isaacson, M Usawachintachit, ZJ Wang, K Taguchi, B Sherer, ML Stoller, T Chi. The Importance of Urologist Estimation of Stone Burden: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 35th World Congress of Endourology Meeting, Vancouver, BC: Sept 2017.

B Sherer, DT Tzou, A Fernandez, S Ho, ML Stoller. Biomineralization in Kidney Stone Formers. Moderated Poster Presentation at the 35th World Congress of Endourology Meeting, Vancouver, BC: Sept 2017.

B Sherer, DT Tzou, D Isaacson, Z Kornberg, M Usawachintachit, K Taguchi, T Chi, ML Stoller. Pharmaceutical Burden and Medication Compliance in Patients with Cystinuria. Moderated Poster Presentation at the 35th World Congress of Endourology Meeting, Vancouver, BC: Sept 2017.


DT Tzou, D Isaacson, M Usawachintachit, ZJ Wang, K Taguchi, B Sherer, ML Stoller, T Chi. The Importance of Urologist Estimation of Stone Burden: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 112th Annual Meeting of the American Urological Association, Boston, MA: May 2017.

DT Tzou, HC Chang, M Usawachintachit, BD Duty, RS Hsi, JD Harper, MD Sorensen, ML Stoller, RL Sur, T Chi. Development and Implementation of an Electronic Medical Record-Based Prospective Urinary Stone Registry: ReSKU, the Registry for Stones of the Kidney & Ureter. Moderated Poster Presentation at the 92nd Annual Meeting of the Western Section American Urological Association, Kauai, HI: Oct 2016.

HC Chang, DT Tzou, W Hu, M Usawachintachit, ML Stoller, J Li, T Chi. Impact of Education on Nephrolithiasis Presentation in China: Results from the Registry for Stones of the Kidney and Ureter (ReSKU). Moderated Poster Presentation at the 92nd Annual Meeting of the Western Section American Urological Association, Kauai, HI: Oct 2016.

DT Tzou, HC Chang, M Usawachintachit, R Hsi, ML Stoller, T Chi. Development and Implementation of an Electronic Medical Record-Based Prospective Urinary Stone Registry: ReSKU, the Registry for Stones of the Kidney & Ureter. Podium Presentation at the 111th Annual Meeting of the American Urological Association, San Diego, CA: May 2016.

 

DT Tzou, S Bohenkamp, MM Nguyen. How the Quality of Urologic Resident Care Affects Patients’ Overall Hospital Stay Satisfaction. Moderated Poster Presentation at the 108th Annual Meeting of the American Urological Association, San Diego, CA: May 2013.

DT Tzou. Intravesical BCG for High-Grade T1 Bladder Cancer. Resident Point-Counterpoint. Presented at Arizona Urologic Society Annual Meeting, Tucson, AZ: April 2013.

DT Tzou, LR McCauley, MH Sokoloff. Retroperitoneal Lymphadenectomy in the setting of a Horseshoe Kidney – Technical Challenges of Dissection. Presented at Arizona Urologic Society Annual Meeting, Tucson, AZ: April 2010.

DT Tzou, BL Dalkin, BA Christopher, H Cui. A Survey Based Assessment of the Correlation Between Attempted and Successful Nerve-Sparing Radical Prostatectomy and Urinary Continence. Presented at the Western Section American Urological Association, Scottsdale, AZ, October 2007.  

DT Tzou, YY Tan, J Hwang, M Florero, SP Leong. The number of lymphatic channels does not affect metastasis to the sentinel lymph nodes in breast cancer. Presented at the Clinical Research 2006 National Meeting, Washington D.C., March 2006.

 

Peer-reviewed Journal Articles

Ahmad TR, Tzou DT, Usawachintachit M, Reliford-Titus S, Wu C, Goodman J, Anotonelli JA, Viprakasit DP, Averch TD, Sivalingam S, Chew BH, Bird VG, Pas VM Jr, Streeper NM, Sur RL, Nakada SY, Penniston KL, Chi T. Low income and non-White race are strongly associated with worse quality of life for nephrolithiasis patients. J Urol. 2019 Mar 13. [Epub ahead of print] PMID:30865567

 

Armas-Phan M, Tzou DT, Bayne DB, Wiener SV, Stoller ML, Chi T. Ultrasound guidance can be used safely for renal tract dilation during percutaneous nephrolithotomy. BJU Int. 2019 Feb 27. [Epub ahead of print] PMID:30811835

 

Lwin A, Tzou D, Funk J. Response to Stutz et al. re: “Management of suspected bladder injury and capsular perforation after Holmium Laser Enucleation of the Prostate”. J Endourol Case Rep 2018 Dec 20;4(1):205. PMID: 30588507

 

Tzou DT, Metzler IS, Stoller ML, Chi T. Ultrasound-guided morcellation during Holmium Laser Enucleation of the Prostate. J Endourol Case Rep 2018 Aug 1:4(1):133-135. PMID: 30131978

 

Bayne DB, Usawachintachit M, Tzou D, Taguchi K, Shindel A, Chi T. Increasing body mass index steepens the learning curve for ultrasound-guided percutaneous nephrolithotomy. Urology 2018 Oct;120:68-73. PMID 30077540.

 

Tzou DT, Chi T. Editorial Comment. J Urol 2018 Nov;200(5):972. PMID 30081021.

Lwin A, Hynes K, Tzou D, Funk J. Management of suspected bladder injury and capsular perforation after Holmium Laser Enucleation of the Prostate. J Endourol Case Rep 2018 Jun 1;4(1):87-90. PMID: 29938230

 

Tzou DT, Cadwell C, Simko JP, Chi T, Stoller ML. Management of inverted papilloma during Holmium Laser Enucleation of Prostate (HoLEP). Urology 2018 Jun;116:e5-e6. PMID: 29545053


Taguchi K, Usawachintachit M, Tzou DT, Sherer B, Metzler I, Isaacson D, Stoller M, Chi T. Micro-costing analysis demonstrates comparable costs for LithoVueÔ compared to reusable flexible fiberoptic ureteroscopes. J Endourol 2018 Apr;32(4):267-273. PMID: 29239227

 

Taguchi K, Harper JD, Stoller ML, Duty BD, Sorensen MD, Sur RL, Usawachintachit M, Tzou DT, Wenzler DL, Isaacson D, Xu A, Chu C, Zaid UB, Taylor ER, Ramaswamy K, Chi T. Identifying factors associated with the need for flexible ureteroscope repair: a Western Endourology STone (WEST) research consortium prospective cohort study. Urolithiasis 2018 Nov;46(6):559-566. PMID: 29224057


Usawachintachit M, Sherer BA, Hudnall M, Tzou DT, Taguchi K, Hsi RS, Stoller M, Chi T. Clinical outcomes for cystinuria patients with unilateral versus bilateral cystine stone disease. J Endourol. 2018 Feb;32(2):148-153. PMID: 29179563

 

Tzou DT, Isaacson D, Usawachintachit M, Wang ZJ, Taguchi K, Hills NK, Hsi RS, Sherer BA, Reliford-Titus S, Duty B, Harper J, Sorensen M, Sur RL, Stoller ML, Chi T. Variation in Radiologic and Urologic Computed Tomography Interpretation of Urinary Tract Stone Burden: Results from ReSKU. Urology. 2018 Jan;111:59-64. PMID: 29032235


Isaacson D, Ahmad T, Metzler I, Tzou DT, Taguchi K, Usawachintachit M, Zetumer S, Sherer B, Stoller M, Chi T. Defining the Costs of Reusable Flexible Ureteroscope Reprocessing Using Time-Driven Activity-Based Costing (TDABC). J Endourol. 2017 Oct;31(10):1026-1031. PMID: 28830223


Chi T, Usawachintachit M, Weinstein S, Kohi MP, Taylor A, Tzou DT, Chang HC, Stoller M, Mongan J. Contrast-enhanced ultrasound as a radiation free alternative to fluoroscopic nephrostogram for evaluating ureteral patency. J Urol. 2017 Dec;198(6):1367-1373. PMID: 28743528

 

Taguchi K, Usawachintachit M, Hamamoto S, Unno R, Tzou DT, Sherer B, Wang Y, Okada A, Stoller M, Yasui T, Chi T. Optimizing RNA extraction of renal papilla biopsy tissue in kidney stone formers: a new methodology for genomic study. J Endourol. 2017 Sep;31(9):922-929. PMID: 28719978

 

Usawachintachit M, Isaacson DS, Taguchi K, Tzou DT, Hsi RS, Sherer BA, Stoller ML, Chi T. A prospective case-control study comparing LithoVue, a single-use, flexible disposable ureteroscope, with flexible, reusable fiber-optic ureteroscopes. J Endourol. 2017 May;31(5):468-475. PMID: 28287823

 

Usawachintachit M, Tzou DT, Washington SL 3rd, Hu W, Li J, Chi T. Ultrasound-guided renal access and tract dilation. Videourology. 2017 Feb; 31(1).

 

Washington SL 3rd, Eslami A, Tzou DT. Cystoscopic evaluation of bladder leiomyoma. Urology. 2017 Aug;106:e1-e2. Epub 2017 Feb 1. PMID: 28161381

 

Tzou DT, Weinstein S, Usawachintachit M, Mongan J, Greene KL, Chi T. Contrast enhanced ultrasound detects recurrent renal cell carcinoma in the setting of chronic renal insufficiency. Clin Genitourin Cancer. 2017 Aug;15(4):e735-e737. PMID: 28131753

 

Hudnall M, Usawachintachit M, Metzler I, Tzou DT, Harrison B, Lobo E, Chi T. Ultrasound guidance reduces percutaneous nephrolithotomy cost compared to fluoroscopy. Urology. 2017 May;103:52-58. PMID: 28024969

 

Tzou DT, Usawachintachit M, Taguchi K, Chi T. Ultrasound use in urinary stones: adapting old technology for a modern-day disease. J Endourol. 2017 Apr;31(S1):S89-S94. PMID: 27733052


Usawachintachit M, Tzou DT, Mongan J, Weinstein S, Chi T. Antegrade ultrasound contrast injection facilitates accurate nephrostomy tube positioning during percutaneous nephrolithotomy. Int J Urol. 2017 Mar;24(3):239-240. PMID: 27862356

 

Usawachintachit M, Tzou DT, Mongan J, Taguchi K, Weinstein S, Chi T. Feasibility of retrograde ureteral contrast injection to guide ultrasonographic percutaneous renal access in the non-dilated collecting system. J Endourol. 2017 Feb;31(2):129-134. PMID: 27809568

Usawachintachit M, Tzou DT, Hu W, Li J Chi T. X-ray-free ultrasound-guided percutaneous nephrolithitomy: how to select the right patient? Urology. 2017 Feb;100:38-44. PMID: 27720776

 

Tzou DT, Taguchi K, Chi T, Stoller ML. Animal models of urinary stone disease. Int J Surg. 2016 Dec;36(Pt D):596-606. PMID: 27840313


Chang HC, Tzou DT, Usawachintachit M, Duty BD, Hsi RS, Harper JD, Sorensen MD, Stoller ML, Sur RL, Chi T. 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. J Endourol. 2016 Dec;30(12):1332-1338. PMID: 27758162

 

Michalak J, Tzou D, Funk J. HoLEP: the gold standard for the surgical management of BPH in the 21(st) Century. Am J Clin Exp Urol. 2015. Apr 25;3(1):36-42. PMID: 26069886


Tzou DT, Dalkin BL, Christopher BA, Cui H. The failure of a nerve sparing template to improve urinary continence after radical prostatectomy: attention to study design. Urologic Oncology. 2009. Jul-Aug 27(4): 358-62. PMID: 18439849


Book Chapters
Tzou DT, Taguchi K, Chi T, Stoller M. Chapter 17 - Animal Models to Study Urolithiasis. Animal Models for the Study of Human Disease, 2nd Edition. Elsevier, Amsterdam, Netherlands, p 419-443, 2017.

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