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Ureterolithiasis

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https://www.readbyqxmd.com/read/27670877/comparison-of-prone-vs-supine%C3%A2-unenhanced-ct-imaging-in-patients-with-clinically-suspected-ureterolithiasis
#1
Matthias Meissnitzer, Thomas Meissnitzer, Stephan Hruby, Stefan Hecht, Andreas Gutzeit, Laura Holzer-Frühwald, Klaus Hergan, Rosemarie Forstner
PURPOSE: To retrospectively evaluate whether prone CT scanning is superior to supine scanning for correct localization of distal urinary calculi in patients with acute flank pain. METHODS: Consecutively performed unenhanced CT scans in patients with acute flank pain were retrospectively analyzed in 150 patients in supine and another 150 patients in prone position. Images were reviewed by two radiologists on consensus. Findings in both groups were compared using two-sided Fisher Exact tests and Wilcoxon-Mann-Whitney test...
September 26, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27529029/overview-of-point-of-care-abdominal-ultrasound-in-emergency-and-critical-care
#2
REVIEW
Toru Kameda, Nobuyuki Taniguchi
Point-of-care abdominal ultrasound (US), which is performed by clinicians at bedside, is increasingly being used to evaluate clinical manifestations, to facilitate accurate diagnoses, and to assist procedures in emergency and critical care. Methods for the assessment of acute abdominal pain with point-of-care US must be developed according to accumulated evidence in each abdominal region. To detect hemoperitoneum, the methodology of a focused assessment with sonography for a trauma examination may also be an option in non-trauma patients...
2016: Journal of Intensive Care
https://www.readbyqxmd.com/read/27453647/procalcitonin-is-a-strong-predictor-of-urine-culture-results-in-patients-with-obstructing-ureteral-stones-a-prospective-pilot-study
#3
Dimitri Papagiannopoulos, Patrick Whelan, Waseem Ahmad, James Rybak, Bala Hota, Leslie Deane, Ajay Nehra
PURPOSE: The appropriate management of infected obstructing ureteral calculi is prompt genitourinary decompression. Urine cultures are the gold standard for confirming infection but often take 24-48 h to result. Although white blood cell (WBC) count is an important diagnostic laboratory test, it is a nonspecific inflammatory marker. Similarly, urinalysis (UA) can be misleading in the setting of a contaminated sample, bladder colonization, or in cases of a completely obstructed the upper urinary tract...
July 2016: Urology Annals
https://www.readbyqxmd.com/read/27403369/management-of-ureterolithiasis-in-a-patient-with-crossed-unfused-renal-ectopia
#4
Koichi Kodama, Yasukazu Takase, Hiroki Tatsu
Crossed renal ectopia is a rare congenital anomaly in which both kidneys are situated on one side and fused together in 85%-90% of cases. The management of urinary calculi in patients with crossed renal ectopia continues to pose challenges to urologists because the aberrant anatomy may make access and clearance of the calculi more difficult to accomplish. Here, we report a case of inferior crossed renal ectopia, without fusion, and a ureteral stone in which the patient was treated successfully by extracorporeal shock wave lithotripsy...
2016: Case Reports in Urology
https://www.readbyqxmd.com/read/27317212/beyond-ureterolithiasis-gamut-of-abnormalities-affecting-the-ureter
#5
REVIEW
Bardia Moosavi, Najla Fasih, Vivek Virmani, Ania Kielar
Nephrolithiasis is the most common condition involving the ureters. However, various other entities can affect the ureters, albeit less frequently. Imaging plays a crucial role in diagnosis, management, and follow-up of ureteral pathology. In the past decade, computed tomography urography has replaced traditional methods of ureteral imaging due to its high spatial resolution, multiplanar imaging, and rapid acquisition time. More recently, magnetic resonance urography has also been explored in evaluating ureteral abnormalities...
July 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27314408/clinical-relevance-of-seasonal-changes-in-the-prevalence-of-ureterolithiasis-in-the-diagnosis-of-renal-colic
#6
Hiroki Fukuhara, Osamu Ichiyanagi, Hiroshi Kakizaki, Sei Naito, Norihiko Tsuchiya
Ureterolithiasis is one of the most frequently diagnosed urologic diseases worldwide. Its annual incidence in Japan increased three-fold from 1965 to 2005. Ureterolithiasis incidence is affected by numerous factors, including race, sex, body weight, fluid intake, and climate. Here, we aimed to address the latter by considering the effect of seasonal variation on stone incidence and incorporating this information into a predictive model for differential diagnosis of ureteral stone from other conditions with similar presentations...
June 17, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27277604/ultrasonography-for-ureteral-stone-detection-in-patients-with-or-without-caliceal-dilatation
#7
Toru Kameda, Fukiko Kawai, Nobuyuki Taniguchi, Ikuo Mori, Masako Ono, Noriko Tsukahara, Yasuyuki Kobori, Hidetoshi Yoshida, Kazuko Wagai, Atsuko Numao
PURPOSE: To evaluate the relationship between the degree of hydronephrosis and the detection rates of ureteral stones with ultrasonography (US). METHODS: Of 250 consecutive patients with suspected ureterolithiasis, 214 who were diagnosed with ureterolithiasis were enrolled in this study. First, both kidneys were observed by US to evaluate the intrarenal collecting systems. Thereafter, the possible course of the ureters and the bladder were searched to find any stones...
January 2010: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/27170278/can-doppler-ultrasonography-twinkling-artifact-be-used-as-an-alternative-imaging-modality-to-non-contrast-enhanced-computed-tomography-in-patients-with-ureteral-stones-a-prospective-clinical-study
#8
Volkan Sen, Cetin Imamoglu, Ibrahim Kucukturkmen, Tansu Degirmenci, Ibrahim Halil Bozkurt, Tarik Yonguc, Ozgu Aydogdu, Bulent Gunlusoy
We aimed to evaluate the use of twinkling artifact (TA) on color Doppler ultrasonography (USG) as an alternative imaging modality to non-contrast-enhanced computed tomography (CT) in patients with ureteral stones in this prospective study. Totally, 106 consecutive patients who had been diagnosed with ureterolithiasis by CT were enrolled in this prospective study. A urinary system color Doppler ultrasonography was performed on the same day with CT by an experienced radiologist who was blinded to the CT scan...
May 12, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27154825/is-hydronephrosis-on-ultrasound-predictive-of-ureterolithiasis-in-patients-with-renal-colic
#9
Kevan M Sternberg, Vernon M Pais, Troy Larson, Jullet Han, Natalia Hernandez, Brian Eisner
PURPOSE: Renal ultrasound accurately identifies hydronephrosis but it is less sensitive than computerized tomography for the detection of ureterolithiasis. We investigated whether the presence of hydronephrosis on ultrasound was associated with a ureteral stone in patients who underwent both ultrasound and computerized tomography during the evaluation of acute renal colic. MATERIALS AND METHODS: We retrospectively reviewed the records of patients from 3 institutions who were evaluated for acute renal colic by both ultrasound and computerized tomography between 2012 and 2015...
October 2016: Journal of Urology
https://www.readbyqxmd.com/read/27066492/treatment-of-kidney-stone-in-a-kidney-transplanted-patient-with-mini-percutaneous-laser-lithotripsy-a-case-report
#10
Dean Markić, Kristian Krpina, Juraj Ahel, Antun Gršković, Josip Španjol, Nino Rubinić, Mauro Materljan, Ivana Mikolašević, Lidija Orlić, Sanjin Rački
We report a case of a kidney-transplanted patient with urolithiasis treated with mini-percutaneous laser lithotripsy. The patient presented with renal dysfunction and graft hydronephrosis. Diagnostic procedures revealed ureterolithiasis as a cause of obstruction, and percutaneous nephrostomy was inserted as a temporary solution. Before surgery, the stone migrated to the renal pelvis. Mini-percutaneous laser lithotripsy was successfully performed, and during surgery, all stone fragments were removed. Six months after successful treatment, the patient has good functioning and stone-free graft...
January 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/26898228/-subcutaneous-ureteral-bypass-devices-as-a-treatment-option-for-bilateral-ureteral-obstruction-in-a-cat-with-ureterolithiasis
#11
Romy M Heilmann, Medora Pashmakova, Jodie H Lamb, Kathy A Spaulding, Audrey K Cook
A 6-year-old female spayed Domestic Shorthair cat was presented with acute lethargy, dehydration, marked azotemia, metabolic acidosis, left-sided renomegaly, and bilateral hydronephrosis. Ureterolithiasis and ureteral obstruction were suspected based on further diagnostics including abdominal sonography. Medical treatment was not successful. Fluoroscopically guided antegrade pyelography confirmed the diagnosis of bilateral ureteral obstruction due to ureterolithiasis. Subcutaneous ureteral bypass (SUB) devices were placed bilaterally, followed by close patient monitoring...
June 16, 2016: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/26717117/the-use-of-alpha-1-adrenergic-blockers-in-children-with-distal-ureterolithiasis-a-systematic-review-and-meta-analysis
#12
REVIEW
F P Glina, P M V Castro, G G R Monteiro, G C Del Guerra, Sidney Glina, M Mazzurana, W M Bernardo
INTRODUCTION: Urinary lithiasis is the main urologic cause of emergency treatment in adult patient. In the past years, the incidence in children population has increased. However, literature about the use of alpha-1 adrenergic blockers in pediatric population with distal ureterolithiasis is still scarce. The drug acts by decreasing ureter contractions, especially in the distal portion, facilitating calculus expulsion. OBJECTIVE: This review has the objective to evaluate the use of alpha-1 adrenergic blockers as medical expulsive treatment in children with distal ureterolithiasis...
November 2015: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/26685981/can-ureteral-stones-cause-pain-without-causing-hydronephrosis
#13
Yan Song, Natalia Hernandez, Michael S Gee, Vicki E Noble, Brian H Eisner
INTRODUCTION: While computerized tomography (CT) is the gold standard for diagnosis of ureterolithiasis, ultrasound is a less costly and radiation-free alternative which is commonly used to evaluate patients with ureteral colic. The purpose of this study was to evaluate the frequency with which patients with ureteral stones and renal colic demonstrate hydronephrosis in order to better understand the evaluation of these patients. METHODS: Two hundred and forty-eight consecutive patients presenting with ureteral colic and diagnosed with a single unilateral ureteral stone on CT scan in an urban tertiary care emergency department were retrospectively reviewed...
September 2016: World Journal of Urology
https://www.readbyqxmd.com/read/26584563/validity-of-stone-scores-in-younger-patients-presenting-with-suspected-uncomplicated-renal-colic
#14
Elizabeth M Schoenfeld, Kye E Poronsky, Tala R Elia, Gavin R Budhram, Jane L Garb, Timothy J Mader
OBJECTIVES: Recent studies have cast doubt on the routine need for emergent computed tomographic (CT) scan in patients with suspected renal colic. A clinical prediction rule, the STONE score, was recently published with the goal of helping clinicians predict obstructive kidney stones in noninfected flank pain patients before CT scan. We sought to examine the validity of this score in younger, noninfected flank pain patients. METHODS: A secondary analysis of a retrospective cohort study was performed to determine the validity of STONE scores for predicting the outcome of obstructive kidney stone in patients age 18 to 50 years presenting with flank pain suggestive of uncomplicated ureterolithiasis...
February 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/26558112/the-efficacy-of-tamsulosin-vs-nifedipine-for-the-medical-expulsive-therapy-of-distal-ureteric-stones-a-randomised-clinical-trial
#15
Himesh R Gandhi, Chandrasekhar Agrawal
OBJECTIVES: To assess and compare, in a randomised clinical trial, the efficacy of tamsulosin and nifedipine as medical expulsive therapy for distal ureterolithiasis. PATIENTS AND METHODS: In all, 128 symptomatic patients with stones in the juxtavesical tract of the ureter were randomly divided into group 1 (64 patients) receiving oral nifedipine sustained-release 30 mg/day, and group 2 (64 patients) receiving tamsulosin 0.4 mg/day. Both groups received oral prednisolone 30 mg/day for 10 days and diclofenac 75 mg intramuscularly on demand...
December 2013: Arab Journal of Urology
https://www.readbyqxmd.com/read/26558058/factors-that-predict-the-spontaneous-passage-of-ureteric-stones-in-children
#16
Ibrahim Mokhless, Abdel-Rahman Zahran, Mohamed Youssif, Khaled Fouda, Ahmed Fahmy
OBJECTIVE: To study the natural history of stone passage in children with ureterolithiasis and to define factors predictive of spontaneous passage. PATIENTS AND METHODS: In all, 72 children with ureteric stones were evaluated; patients with ureteric calculi of >10 mm were excluded, as were those with absolute indications for surgical stone removal. Stone size, location, side, presence of hydronephrosis, perinephric stranding and degree of the tissue-rim sign were estimated by unenhanced helical computed tomography (UHCT)...
December 2012: Arab Journal of Urology
https://www.readbyqxmd.com/read/26558031/stones-in-cats-and-dogs-what-can-be-learnt-from-them
#17
REVIEW
Harriet M Syme
OBJECTIVE: To review the clinical features of stone disease in dogs and cats for a non-veterinary audience. METHODS: Relevant peer-reviewed scientific reports were reviewed. RESULTS: Lower urinary tract stones are more common in dogs and cats than they are in humans. In addition to struvite stones, calcium oxalate, urate and cystine stones are all commonly found in the bladder and the urethra. The genetic basis for stone disease in some breeds of dog has been elucidated...
September 2012: Arab Journal of Urology
https://www.readbyqxmd.com/read/26466713/candidemia-from-an-upper-urinary-tract-infection-complicated-by-candida-endophthalmitis
#18
Reina Suzuki, Hitoshi Kuroda, Hiroshi Matsubayashi, Akira Ishii, Fumihiko Toyoda, Alan Kawarai Lefor, Hitoshi Sugawara
A 51-year-old Japanese woman developed candidemia as an outpatient secondary to a Candida albicans upper urinary tract infection complicated by previously undiagnosed type 2 diabetes mellitus with poor glycemic control and ureterolithiasis. The patient did not have any risk factors typically associated with candidemia, such as an indwelling vascular catheter, parenteral nutrition or broad-spectrum antibiotic use. During the clinical course, her condition was complicated by unilateral candida endophthalmitis, which progressed despite the administration of systemic antifungal agents and ultimately required vitreous surgery...
2015: Internal Medicine
https://www.readbyqxmd.com/read/26455112/medical-therapy-ineffective-for-aiding-passage-of-ureteric-stones
#19
EDITORIAL
Jonathan Rees
No abstract text is available yet for this article.
June 2015: Practitioner
https://www.readbyqxmd.com/read/26429522/tamsulosin-does-not-increase-1-week-passage-rate-of-ureteral-stones-in-ed-patients
#20
RANDOMIZED CONTROLLED TRIAL
David A Berger, Michael A Ross, Jay B Hollander, James Ziadeh, Charity Chen, Raymond E Jackson, Robert A Swor
OBJECTIVE: The objective of the study is to determine if tamsulosin initiated in the emergency department (ED) decreases the time to ureteral stone passage at 1 week or time to pain resolution, compared to placebo. METHODS: We performed a prospective, randomized, double-blinded, placebo-controlled trial of tamsulosin vs placebo in ED patients with ureterolithiasis on computed tomography. Patients were identified and enrolled between April 2007 and February 2009 and were randomized to either 0...
December 2015: American Journal of Emergency Medicine
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