Brian R Matlaga

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. pmc Novel instrumentation in urologic surgery: Shock wave lithotripsy
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Indian J Urol 26:423-6. 2010
  2. pmc Ureteroscopy during pregnancy
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Indian J Urol 25:291-5. 2009
  3. pmc Economic outcomes of treatment for ureteral and renal stones: a systematic literature review
    Brian R Matlaga
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 188:449-54. 2012
  4. pmc Treatment of ureteral and renal stones: a systematic review and meta-analysis of randomized, controlled trials
    Brian R Matlaga
    The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 188:130-7. 2012
  5. doi request reprint Dual source computed tomography: a novel technique to determine stone composition
    Brian R Matlaga
    The Russell H Morgan Department of Radiology and Radiological Science, James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21209, USA
    Urology 72:1164-8. 2008
  6. doi request reprint Contemporary surgical management of upper urinary tract calculi
    Brian R Matlaga
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 181:2152-6. 2009
  7. doi request reprint Epidemiologic insights into pediatric kidney stone disease
    Brian R Matlaga
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Park 2, 600 North Wolfe Street, Baltimore, MD 21287, USA
    Urol Res 38:453-7. 2010
  8. doi request reprint Effect of gastric bypass surgery on kidney stone disease
    Brian R Matlaga
    Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 181:2573-7. 2009
  9. doi request reprint The effect of restrictive bariatric surgery on urinary stone risk factors
    Michelle J Semins
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Urology 76:826-9. 2010
  10. doi request reprint The impact of obesity on urinary tract infection risk
    Michelle J Semins
    Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Urology 79:266-9. 2012

Detail Information

Publications50

  1. pmc Novel instrumentation in urologic surgery: Shock wave lithotripsy
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Indian J Urol 26:423-6. 2010
    ..Herein, we review the evolution of the technology and advances in the instrumentation over the last three decades...
  2. pmc Ureteroscopy during pregnancy
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Indian J Urol 25:291-5. 2009
    ..With such an approach, complication rates are low and success rates are high. A multidisciplinary approach should be emphasized as a key to a successful outcome...
  3. pmc Economic outcomes of treatment for ureteral and renal stones: a systematic literature review
    Brian R Matlaga
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 188:449-54. 2012
    ..We evaluated the cost-effectiveness of ureteral/renal stone treatment by comparing ureteroscopy, extracorporeal shock wave lithotripsy and percutaneous nephrolithotomy...
  4. pmc Treatment of ureteral and renal stones: a systematic review and meta-analysis of randomized, controlled trials
    Brian R Matlaga
    The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 188:130-7. 2012
    ..We compared the clinical outcomes of patients with ureteral or renal stones treated with ureteroscopy, shock wave lithotripsy using HM3 (DornierĀ®) and nonHM3 lithotripters, and percutaneous nephrolithotomy...
  5. doi request reprint Dual source computed tomography: a novel technique to determine stone composition
    Brian R Matlaga
    The Russell H Morgan Department of Radiology and Radiological Science, James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21209, USA
    Urology 72:1164-8. 2008
    ..We tested the ability of dual source CT imaging to distinguish calcium oxalate (CaOx) stones from calcium phosphate (CaP) stones, and both types of calciferous stones from uric acid (UA) stones...
  6. doi request reprint Contemporary surgical management of upper urinary tract calculi
    Brian R Matlaga
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 181:2152-6. 2009
    ..We performed a study of the surgical practice logs submitted to the American Board of Urology by candidates for initial certification and recertification to characterize the manner in which renal and ureteral calculi are treated...
  7. doi request reprint Epidemiologic insights into pediatric kidney stone disease
    Brian R Matlaga
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Park 2, 600 North Wolfe Street, Baltimore, MD 21287, USA
    Urol Res 38:453-7. 2010
    ..Taken all together, these findings suggest that urolithiasis in the young child is a complex systemic disease process...
  8. doi request reprint Effect of gastric bypass surgery on kidney stone disease
    Brian R Matlaga
    Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 181:2573-7. 2009
    ..We evaluated the likelihood of being diagnosed with or treated for an upper urinary tract calculus following Roux-en-Y gastric bypass surgery...
  9. doi request reprint The effect of restrictive bariatric surgery on urinary stone risk factors
    Michelle J Semins
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Urology 76:826-9. 2010
    ..Therefore, we performed a study to examine urinary risk factors of patients who underwent restrictive gastric surgery for bariatric indications...
  10. doi request reprint The impact of obesity on urinary tract infection risk
    Michelle J Semins
    Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Urology 79:266-9. 2012
    ..In fact, previous investigations of this subject have yielded conflicting findings. UTI is increasingly being recognized as a preventable complication, and UTI rates are used to measure quality of surgical care...
  11. ncbi request reprint Ureterocalicostomy: a contemporary experience
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157 1094, USA
    Urology 65:42-4. 2005
    ....
  12. doi request reprint Medical comorbidities associated with pediatric kidney stone disease
    Anthony J Schaeffer
    James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Urology 77:195-9. 2011
    ..In adults, kidney stone disease has been associated with medical comorbidities such as HTN, DM, and obesity. Similar analyses have never been performed for the pediatric population...
  13. pmc The effect of gastric banding on kidney stone disease
    Michelle J Semins
    Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Urology 74:746-9. 2009
    ..Certain malabsorptive bariatric procedures have been associated with an increased risk for kidney stone formation. However, the kidney stone risk of gastric banding, a restrictive bariatric procedure, is unknown...
  14. pmc The association of increasing body mass index and kidney stone disease
    Michelle J Semins
    Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 183:571-5. 2010
    ..However, the effect of increasing degrees of obesity on stone formation has yet to be defined. To address this question we examined how an increasing body mass index affects the risk of kidney stone disease...
  15. doi request reprint Trends in renal surgery: robotic technology is associated with increased use of partial nephrectomy
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 189:1229-35. 2013
    ..An explanation is the learning curve associated with laparoscopic partial nephrectomy. We analyzed state trends in renal surgery and their relationship to the introduction of robotic technology...
  16. doi request reprint Kidney stones during pregnancy: an investigation into stone composition
    Ashley E Ross
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21209, USA
    Urol Res 36:99-102. 2008
    ..Although the reason for this unusual preponderance of calcium phosphate calculi is unclear, physiologic alterations that occur during pregnancy may be influential...
  17. doi request reprint Impact of robotic technique and surgical volume on the cost of radical prostatectomy
    Elias S Hyams
    Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    J Endourol 27:298-303. 2013
    ..Therefore, we performed a study to define the effect of robotic technology and surgical volume on the cost of RP...
  18. doi request reprint Differentiation of kidney stones using dual-energy CT with and without a tin filter
    George S K Fung
    The Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 198:1380-6. 2012
    ..The aim of this in vitro study was to examine the capability of three protocols of dual-energy CT imaging in distinguishing calcium oxalate, calcium phosphate, and uric acid kidney stones...
  19. doi request reprint The safety of ureteroscopy during pregnancy: a systematic review and meta-analysis
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Urol 181:139-43. 2009
    ..We performed a literature review and analysis to compare the safety of ureteroscopic stone removal during pregnancy with findings from a set of contemporary studies of that procedure in nonpregnant patients...
  20. ncbi request reprint The effect of ureteral stent placement on post-ureteroscopy complications: a meta-analysis
    Danil V Makarov
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21209, USA
    Urology 71:796-800. 2008
    ..To determine, by systematic review and meta-analysis of all randomized controlled trials examining ureteral stent placement after ureteroscopy, whether the presence or absence of a stent was associated with postoperative complications...
  21. ncbi request reprint Sex prevalence of pediatric kidney stone disease in the United States: an epidemiologic investigation
    Thomas E Novak
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 74:104-7. 2009
    ..To define the sex prevalence of inpatient hospital discharges for pediatric patients diagnosed with upper urinary tract stone disease...
  22. ncbi request reprint Percutaneous nephrostolithotomy: predictors of length of stay
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157, USA
    J Urol 172:1351-4. 2004
    ..A goal at our medical center is to discharge patients home less than 24 hours after PNL. We performed a study to determine factors that caused patients to be hospitalized longer than this period...
  23. ncbi request reprint Practice patterns in the emergency care of kidney stone patients: an analysis of the National Hospital Ambulatory Medical Care Survey (NHAMCS)
    Elias S Hyams
    Brady Urological Institute, Johns Hopkins Hospital, Baltimore, MD, USA
    Can J Urol 19:6351-9. 2012
    ..We sought to characterize practice patterns in the emergency treatment of stone disease, and to identify potential disparities in care based on non-medical factors...
  24. doi request reprint Novel technique for fragment removal after percutaneous management of large-volume neobladder calculi
    Stacy Loeb
    Department of Urology, New York University, New York, NY, USA
    Urology 80:474-6. 2012
    ..To describe a novel method for fragment evacuation after percutaneous lithotripsy of neobladder calculi...
  25. ncbi request reprint Half Fourier single-shot turbo spin-echo magnetic resonance urography for the evaluation of suspected renal colic in pregnancy
    Jeffrey K Mullins
    James Brady Buchanan Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Urology 79:1252-5. 2012
    ..The diagnosis of an upper tract calculus in the pregnant woman can be challenging. Recent evidence suggests that MRU can be used to effectively evaluate renal colic...
  26. ncbi request reprint Transsplenic percutaneous nephrolithotomy
    Anthony J Schaeffer
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Endourol 22:2481-4. 2008
    ..The management of a splenic injury after PNL is not well defined; therefore, we performed a study to define a management strategy for such an event...
  27. ncbi request reprint Validity of administrative coding in identifying patients with upper urinary tract calculi
    Michelle J Semins
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Urol 184:190-2. 2010
    ..Administrative databases are increasingly used for epidemiological investigations. We performed a study to assess the validity of ICD-9 codes for upper urinary tract stone disease in an administrative database...
  28. ncbi request reprint The effect of shock wave rate on the outcome of shock wave lithotripsy: a meta-analysis
    Michelle Jo Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 179:194-7; discussion 197. 2008
    ..We performed a systematic review and meta-analysis to define the effect of shock wave rate on the outcome of shock wave lithotripsy...
  29. doi request reprint Kidney stones and pregnancy
    Michelle J Semins
    Department of Urology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    Adv Chronic Kidney Dis 20:260-4. 2013
    ..Multidisciplinary care is the key in proper management decisions. The pathophysiology of kidney stone formation in the pregnant state is also unique. Herein, we discuss the complexity of kidney stones and pregnancy. ..
  30. doi request reprint Management of stone disease in pregnancy
    Michelle J Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Curr Opin Urol 20:174-7. 2010
    ..The occurrence of a stone event in a pregnant woman is a complex situation. Therefore, a clear understanding of the management options available and their relative advantages and disadvantages for this unique population is important...
  31. ncbi request reprint Ileal ureter substitution: a contemporary series
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157 1094, USA
    Urology 62:998-1001. 2003
    ..Despite advancements in surgical technology and technical expertise, ureteral injuries continue to occur. These injuries can be extensive, and ileal ureter reconstruction may be necessary...
  32. doi request reprint A case of a lower pole renal calculus managed with percutaneous nephrolithotomy
    Kenneth S Tseng
    Bloomberg School of Public Health, The Johns Hopkins University School of Medicine, Baltimore, MD 21209, USA
    Nat Clin Pract Urol 5:340-4. 2008
    ..The fragment was deemed clinically insignificant, and the patient remained asymptomatic without any further follow-up...
  33. ncbi request reprint The incidence of urolithiasis among commercial aviation pilots
    Elias S Hyams
    James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 186:914-6. 2011
    ..Thus, we performed a study in partnership with the Federal Aviation Administration to better characterize the epidemiology of this condition...
  34. ncbi request reprint Impact of hospital volume on perioperative outcomes and costs of radical cystectomy: analysis of the Maryland Health Services Cost Review Commission database
    Michael A Gorin
    The Johns Hopkins School of Medicine, Baltimore, MD, USA
    Can J Urol 21:7102-7. 2014
    ..The objective of this study was to evaluate the impact of hospital case volume on perioperative outcomes and costs of radical cystectomy (RC) after controlling for differences in patient case mix...
  35. ncbi request reprint Management patterns of medicare patients undergoing treatment for upper urinary tract calculi
    Brian R Matlaga
    1 James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland
    J Endourol 28:723-8. 2014
    ....
  36. doi request reprint Ureteroscope cleaning and sterilization by the urology operating room team: the effect on repair costs
    Michelle Jo Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Endourol 23:903-5. 2009
    ..We performed a study to define the effect of having the urology nursing staff process and sterilize all ureteroscopes, rather than the central processing core; the total repair cost and cost per use were analyzed...
  37. ncbi request reprint Multicenter analysis of postoperative CT findings after percutaneous nephrolithotomy: defining complication rates
    Michelle Jo Semins
    Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Urology 78:291-4. 2011
    ..One benefit of this imaging modality is the detection of procedure-related complications. Presently, the incidence of such complications is not well-defined...
  38. doi request reprint Safety and efficacy of a surgeon-prepared gelatin hemostatic agent compared with FloSeal for hemostasis in laparoscopic partial nephrectomy
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21224, USA
    J Endourol 23:279-82. 2009
    ..The objective of our study was to compare the safety and efficacy of an inexpensive, surgeon-prepared hemostatic agent with that of a more expensive, commercially prepared one...
  39. ncbi request reprint Computerized tomography guided access for percutaneous nephrostolithotomy
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    J Urol 170:45-7. 2003
    ..In these situations cross-sectional anatomical imaging may facilitate safe percutaneous access. We describe our experience with computerized tomography (CT) guided percutaneous access for such patients undergoing PNL...
  40. doi request reprint Implementation of a focused curriculum on flexible ureteroscopic surgery: a multi-institutional collaborative effort
    Leticia Ruiz
    James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    Clin Nephrol 79:132-5. 2013
    ..Herein, we review the implementation of a didactic and practical curriculum to introduce the Holmium:YAG laser for flexible URS. Following the initial tutorial period, we assessed procedure outcomes and complications...
  41. doi request reprint Trends in imaging use during the emergency department evaluation of flank pain
    Elias S Hyams
    The Brady Urological Institute, The Johns Hopkins School of Medicine, Baltimore, Maryland 21287, USA
    J Urol 186:2270-4. 2011
    ..We characterized the use of conventional radiography (x-ray), ultrasound and computerized tomography in the emergency department evaluation of patients with acute flank pain...
  42. pmc Surgical management of stones: new technology
    Brian R Matlaga
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21209, USA
    Adv Chronic Kidney Dis 16:60-4. 2009
    ..It is now recognized that there are certain maneuvers with SWL that the treating physician can do that will increase the likelihood of a successful outcome while minimizing the likelihood of adverse treatment-related events...
  43. ncbi request reprint Radiofrequency ablation of renal tumors
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    Curr Urol Rep 5:39-44. 2004
    ..Although there is much optimism with regard to this technology, further study is required to better define the oncologic efficacy and refine proper patient selection...
  44. pmc Medical evaluation and management of urolithiasis
    Michelle Jo Semins
    The James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Ther Adv Urol 2:3-9. 2010
    ..We complete our discussion with a review of the medical management of stone formers providing both general recommendations as well as reviewing focused therapies for specific metabolic abnormalities and medical conditions...
  45. pmc How to improve results with extracorporeal shock wave lithotripsy
    Brian R Matlaga
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, Maryland 2187, USA
    Ther Adv Urol 1:99-105. 2009
    ..There are a number of patient- and device-specific factors that can affect treatment outcome. Herein, we review practices that can increase the likelihood of SWL treatment success...
  46. ncbi request reprint Phase II trial of radio frequency ablation of renal cancer: evaluation of the kill zone
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina, USA
    J Urol 168:2401-5. 2002
    ..We report on the pathological evaluation of renal tumors after intraoperative radio frequency ablation performed immediately before surgical nephrectomy...
  47. ncbi request reprint Changing indications of open stone surgery
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157 1094, USA
    Urology 59:490-3; discussion 493-4. 2002
    ..In 1989, the indications for open surgical treatment of urinary calculi at our institution were reviewed. In the intervening years, tremendous advances have been made in minimally invasive treatment of urinary calculi...
  48. ncbi request reprint Subcapsular urinoma: an unusual form of page kidney in a high school wrestler
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Winston Salem, North Carolina, USA
    J Urol 168:672. 2002
  49. ncbi request reprint Urologic manifestations of nonurologic disease urolithiasis
    Brian R Matlaga
    Department of Urology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157 1094, USA
    Urol Clin North Am 30:91-9. 2003
    ..Stone disease may also be induced by drugs that are used to treat a number of disease processes. When this occurs, the drug will usually need to be discontinued and alternative therapy should be instituted...