Dedan Opondo

ORCID: 0000-0001-7638-6964
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About
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Research Areas
  • Kidney Stones and Urolithiasis Treatments
  • Clinical practice guidelines implementation
  • Pediatric Urology and Nephrology Studies
  • Renal cell carcinoma treatment
  • Electronic Health Records Systems
  • Renal and Vascular Pathologies
  • Pharmaceutical Practices and Patient Outcomes
  • Biomedical Text Mining and Ontologies
  • Renal and related cancers
  • Bladder and Urothelial Cancer Treatments
  • Colorectal Cancer Screening and Detection
  • Radiation Dose and Imaging
  • Prostate Cancer Treatment and Research
  • Multiple and Secondary Primary Cancers
  • Ureteral procedures and complications
  • Genital Health and Disease
  • Urologic and reproductive health conditions
  • Pelvic floor disorders treatments
  • Gallbladder and Bile Duct Disorders
  • Pain Management and Opioid Use
  • Cancer-related molecular mechanisms research
  • Health Literacy and Information Accessibility
  • Prostate Cancer Diagnosis and Treatment
  • Chronic Disease Management Strategies
  • Cancer, Lipids, and Metabolism

Synergy Health
2021

Stellenbosch University
2014-2017

Amsterdam UMC Location University of Amsterdam
2011-2017

Tygerberg Hospital
2015-2017

University of Amsterdam
2011-2016

Netherlands Institute for Health Services Research
2013

Academic Center for Dentistry Amsterdam
2011

Imaging is routinely done preoperatively and postoperatively to assess patients treated with percutaneous nephrolithotomy. We developed a nomogram for nephrolithotomy success.From November 2007 December 2009 the CROES (Clinical Research Office of Endourological Society) collected data on consecutive at 96 centers globally. Patients were evaluated stone-free status using plain x-ray kidneys, ureters bladder. Treatment success was defined as no visible stones or residual fragments less than 4...

10.1016/j.juro.2013.01.047 article EN The Journal of Urology 2013-01-23

We evaluated the influence of age on gender related differences in renal cell carcinoma presentation patients operated between 1995 and 2005 a European country. also assessed trend missing pathological data.Data all who underwent radical or partial nephrectomy for during to The Netherlands were retrospectively collected from prospective PALGA (Pathological Anatomical National Automated Archive) database. Patients divided into 5 cohorts based at surgery, including 40 less, 41 50, 51 60, 61 70...

10.1016/j.juro.2012.02.2573 article EN The Journal of Urology 2012-05-12

The aim of this study was to create a step-by-step method for transforming clinical rules use in decision support, and validate usability reliability.A sample set identified from the relevant literature. Using an iterative approach with focus group mixed informatics experts, developed assessing formalizing rules. Two assessors then independently applied separate validation Usability assessed terms time required error rate, reliability by comparing results two assessors.The resulting method,...

10.1016/j.ijmedinf.2011.01.014 article EN publisher-specific-oa International Journal of Medical Informatics 2011-02-18

Objective To assess guideline adherence of co-prescribing NSAID and gastroprotective medications for elders in general practice over time, investigate its potential association with the electronic medical record (EMR) system brand used. Methods We included patients 65 years older who received NSAIDs between 2005 2010. Prescription data were extracted from EMR systems GP practices participating Dutch NIVEL Primary Care Database. calculated proportion prescriptions co-prescription medication...

10.1371/journal.pone.0129515 article EN cc-by PLoS ONE 2015-06-25

To determine short-term differences in renal function evolution between patients with cell carcinoma (RCC) submitted to radical nephrectomy (RN) and living kidney donors matched for age gender. assess the role of co-morbidity as a risk factor developing an estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m(2) .In this retrospective study undergoing Radical Nefrectomy January 2000 February 2011 suspicion localised RCC were by gender donors. Renal was compared groups using...

10.1111/bju.12345 article EN BJU International 2013-07-02

Abstract Spontaneous adenosquamous carcinoma of the prostate is a rare and aggressive subtype cancer with no well-established treatment guidelines. A 63-year-old man presented chief complaints involving lower urinary tract bowel. He complained urgency incontinence, frequency, hematuria. reported fecal hematochezia history constipation. had scrotal penile pain erectile dysfunction. did not report any low back or limb paresthesia. significant medical surgical history. On clinical examination,...

10.1093/bjs/znae163.356 article EN British journal of surgery 2024-07-01

&lt;p&gt;&lt;strong&gt;Introduction:&lt;/strong&gt; The primary objective of this study was to compare surgical management options for various urolithiasis scenarios that urologists would choose themselves vs. the they recommend their patients. secondary identify common recommended treatments upper urinary tract stones sizes and locations.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods:&lt;/strong&gt; Two surveys were sent by Clinical Research Office Endourological Society (CROES) members Society....

10.5489/cuaj.3282 article EN Canadian Urological Association Journal 2016-02-16

The Logical Elements Rule Method (LERM) is a step-wise method for formalizing if-then clinical rules. We applied LERM to set of 40 rules used in pharmacological quality assessment initiatives assess (1) the amenability formalization decision support application (2) comparing adherence that can and cannot be formalized, (3) usefulness as tool this task. Five could not all due unclear criteria. ambiguous, non-formalizable was significantly lower than formalizable ones (&amp;lt;0.001). modified...

10.3233/978-1-61499-101-4-421 article EN Studies in health technology and informatics 2012-01-01

You have accessJournal of UrologyStone Disease: SWL, Ureteroscopy or Percutaneous Stone Removal (I)1 Apr 20131526 A NEPHROLITHOMETRIC NOMOGRAM FOR PREDICTING TREATMENT SUCCESS IN PERCUTANEOUS NEPHROLITHOTOMY Arthur Smith, Timothy Averch, Khaled Shahrour, Dedan Opondo, Francisco Daels, Gaston Labate, Burak Turna, and Jean de la Rosette SmithArthur Smith New Hyde Park, NY More articles by this author , AverchTimothy Averch Pittsburgh, PA ShahrourKhaled Shahrour Toledo, OH OpondoDedan Opondo...

10.1016/j.juro.2013.02.3016 article EN The Journal of Urology 2013-03-27

You have accessJournal of UrologyStone Disease: New Technology/SWL, Ureteroscopic or Percutaneous Stone Removal II1 Apr 20121705 DEVELOPMENT OF CROES PCNL SCORE FOR COMPLICATIONS IN PERCUTANEOUS STONE SURGERY: MODIFICATION AND SPECIFICATION THE CLAVIEN Jean de la Rosette, Dedan Opondo, Francisco Daels, Guido Giusti, Alvaro Serrano Pascual, Kandasami Sangam, Magnus Grabe, and Stavros Gravas RosetteJean Rosette Amsterdam, Netherlands More articles by this author , OpondoDedan Opondo...

10.1016/j.juro.2012.02.1642 article EN The Journal of Urology 2012-04-01
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