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https://www.readbyqxmd.com/read/28748117/epidemiology-pathophysiology-and-management-of-uric-acid-urolithiasis-a-narrative-review
#1
REVIEW
A Abou-Elela
An in-depth comprehension of the epidemiology as well as pathophysiology of uric acid urolithiasis is important for the identification, treatment, and prophylaxis of calculi in these patients. Persistently low urinary pH, hyperuricosuria, and low urinary volume are the most important factors in pathogenesis of uric acid urolithiasis. Other various causes of calculus formation comprises of chronic diarrhea, renal hyperuricosuria, insulin resistance, primary gout, extra purine in the diet, neoplastic syndromes, and congenital hyperuricemia...
September 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28733910/a-review-study-to-evaluate-holmium-yag-laser-lithotripsy-with-flexible-ureteroscopy-in-patients-on-ongoing-oral-anticoagulant-therapy
#2
Bulent Altay, Bulent Erkurt, Selami Albayrak
The objective of this study was to evaluate the safety and efficacy of flexible ureteroscopy (FURS) and holmium:YAG laser lithotripsy for the treatment of upper urinary tract stones in patients on active oral anticoagulants. The records of 1081 patients who underwent flexible ureteroscopic holmium:YAG (Ho:YAG) laser lithotripsy for upper ureteral and renal calculi from 1999 to 2015 were retrospectively reviewed. A total of 84 patients on continuous oral anticoagulation or antiplatelet therapy (warfarin, aspirin, or clopidogrel) were identified...
July 22, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28733744/comparison-of-one-stage-laparoscopic-cholecystectomy-combined-with-intra-operative-endoscopic-sphincterotomy-versus-two-stage-pre-operative-endoscopic-sphincterotomy-followed-by-laparoscopic-cholecystectomy-for-the-management-of-pre-operatively-diagnosed-patients
#3
Chester Tan, Omar Ocampo, Raymund Ong, Kim Shi Tan
BACKGROUND: Laparoscopic cholecystectomy (LC) for symptomatic gallstone disease is one of the most common surgical procedures. Concomitant common bile duct (CBD) stones are detected with an incidence of 4-20% and the ideal management is still controversial. The frequent practice is to perform endoscopic sphincterotomy pre-operatively (POES) followed by LC, to allow subsequent laparoscopic or open exploration if POES fails. However, POES has shown different drawbacks such as need for two hospital admissions, need of two anesthesia inductions, higher rate of pancreatitis, and longer hospital stay...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28728207/-female-urethral-diverticulum-with-calculus-formation-imitating-stress-incontinence
#4
Leonidas Karapanos, Daniel Porres, David Pfister, Ilgar Akbarov, Axel Heidenreich, Vahudin Zugor
A female urethral diverticulum (UD) is a rare condition with a prevalence of 0.6 - 4.7 %. Possible aetiologies include chronic infection of the periurethral glands, childbirth trauma, and iatrogenic lesions after urethral manipulation. The main symptoms are recurrent urinary tract infections, post-void dribbling and leakage of urine or purulent discharge by movement, which is caused by the emptying of the diverticular lumen (paradoxical incontinence). As this may imitate stress urinary incontinence, the final diagnosis is a challenge for urologists...
July 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28726586/application-of-ureterorenoscope-and-flexible-ureterorenoscope-lithotripsy-in-removing-calculus-from-extracorporeal-living-donor-renal-graft-a-single-center-experience
#5
Chun-Hua Lin, Zuo-Fu Zhang, Jiahui Wang, Lu-Xin Yu, Wen-Ting Wang, Lei Shi, Xiang-Nan Lin
Here, we reported our clinical application of ureterorenoscope (URS) and flexible URS lithotripsy in stone removal on 10 cases of excised living donor kidney graft. After the extraction of donor kidney by retroperitoneal laparoscopy, the donor graft was perfused with 4 °C HCA solution. Calculus between 2-4 mm were removed intact with lithotomy forceps under direct vision of URS. Larger calculi of >4 mm were fractured with flexible URS combining holmium laser lithotripsy. Fragments of the calculus were extracted with basket extractor and lithotomy forceps...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28725602/transrectal-ultrasound-guided-extraction-of-impacted-prostatic-urethral-calculi-a-simple-alternative-to-endoscopy
#6
Gregory Amend, Jason Gandhi, Noel L Smith, Steven J Weissbart, David A Schulsinger, Gargi Joshi, Sardar Ali Khan
Urethral stones can become impacted in the posterior urethra, typically presenting with varying degrees of acute urinary retention and lower urinary tract symptoms. These are traditionally treated in the inpatient setting, with external urethrotomy or endoscopic push-back of the calculus into the urinary bladder followed by cystolitholapaxy or cystolithotripsy. However, these methods are invasive, involve general anesthesia, and require radiation. In this report, we describe a simple, minimally invasive, and safe alternative technique to visualize and remove impacted prostatic urethral stones under the real-time guidance of transrectal ultrasonography (TRUS)...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28712198/pancreatic-duct-stones
#7
Mohammad Naeem Khan, Syed Shahmeer Raza, Amer Kamal Hussain, Muhammad Daniyal Nadeem, Farhan Ullah
pancreatitis appears to exist in the presence of such calculi upon radiology. Having said that, pancreatic ductal stone due to biliary causes (origin), in face of acute pancreatitis, is rare. To the best of our knowledge this was the first case of its kind presented to our hospital in recent past. A 25-year-old female presented to the emergency department of our hospital with an acute episode of pancreatitis. Computerized tomography (CT) scan, endoscopic retrograde cholangiopancreatography (ERCP) & magnetic resonance cholangiopancreatography (MRCP) concluded acute pancreatitis (AP) with dilated main pancreatic duct left side branches and intra ductal calculi...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28701725/prospective-study-on-association-of-prostatic-calcifications-with-clinical-symptoms-and-results-of-treatment-in-men-with-type-iii-prostatitis
#8
Xiang Fei, Wei Jin, Shengyu Hua, Yan Song
The purpose is to investigate the clinical significance of prostatic calculi in patients with chronic prostatitis and to discuss the possible treatment.The data from 277 young males with CP/CPPS were analyzed prospectively. Symptom severity was measured using the National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) and the International Prostatic Symptoms Score (IPSS). Sexual function was assessed by the International Index of Erectile Function (IIEF-5) questionnaire. After four weeks of therapy, the NIH-CPSI, IPSS, and IIEF-5 tests were repeated...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698808/vitamins-k1-and-k2-the-emerging-group-of-vitamins-required-for-human-health
#9
REVIEW
Gerry Kurt Schwalfenberg
OBJECTIVE: To review the evidence for the use of vitamin K supplementation in clinical conditions such as osteoporosis, vascular calcification, arthritis, cancer, renal calculi, diabetes, and warfarin therapy. QUALITY OF EVIDENCE: PubMed was searched for articles on vitamin K (K1 and K2) along with books and conference proceedings and health conditions listed above. Level I and II evidence supports the use of vitamins K1 and K2 in osteoporosis and Level II evidence supports vitamin K2 in prevention of coronary calcification and cardiovascular disease...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28695783/sialendoscopic-pneumatic-lithotripsy-for-salivary-calculi-a-new-technique-and-a-long-term-clinical-experience
#10
Erhun Serbetci, M Mazhar Celikoyar, Aytug Altundag
We report our results comprising a series of 34 cases of sialolithiasis that were approached sialendoscopically with conventional instruments (ie, basket and/or forceps) and for which stone removal was unsuccessful and so were thereafter treated with pneumatic lithotripsy. Intraductal pneumatic lithotripsy was able to fragment 30 of 34 (88%) salivary calculi in total. No major complications occurred. All 30 treated glands returned to normal function without any symptoms. We believe that the success of sialendoscopy is closely related to the success of salivary stone fragmentability...
July 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28694394/assessment-of-electrocardiographic-parameters-in-adult-patients-undergoing-extracorporeal-shockwave-lithotripsy
#11
Gündüz Durmuş, Muhsin Kalyoncuoğlu, Mehmet Baran Karataş, Yiğit Çanga, Semi Öztürk, Ender Özal, Yasin Çakıllı, Tuncay Kırış, Barış Güngör, Ahmet Taha Alper, Mehmet Mustafa Can, Osman Bolca
OBJECTIVE: Extracorporeal shock wave lithotripsy (ESWL) is a safe and effective treatment for urinary tract calculi. While serious side effects are rare, transient cardiac arrhythmias may occur. New electrocardiographic (ECG) parameters, such as P wave dispersion (PWD), QT dispersion (QTd), T peak to T end (Tp-e) interval, Tp-e interval/QT ratio, and Tp-e interval/corrected QT ratio have been defined to help predict atrial and ventricular arrhythmias. However, effect of ESWL on these ECG parameters has not been previously investigated...
July 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28692204/the-new-generation-super-mini-percutaneous-nephrolithotomy-smp-system-a-step-by-step-guide
#12
Guohua Zeng, Wei Zhu, Yang Liu, Junhong Fan, Zhijian Zhao, Chao Cai
OBJECTIVE: To present our novel miniaturized endoscopic system and describe a step-by-step guide for successful implementation of the super-mini percutaneous nephrolithotomy (SMP). METHODS: The new-generation SMP endoscopic system consists of (i) a 40,000-pixel super-mini nephroscope with an 8.0 F outer diameter and 7.5 F inner diameter dismountable sheath (ii) and a newly designed irrigation-suction sheath available in either 12 F or 14 F. The irrigation-suction sheath is a two-layered metal structure...
July 10, 2017: BJU International
https://www.readbyqxmd.com/read/28683302/salivary-calculi-removal-by-minimally-invasive-techniques-a-decision-tree-based-on-the-diameter-of-the-calculi-and-their-position-in-the-excretory-duct
#13
Jean Marc Foletti, Nicolas Graillon, Simon Avignon, Laurent Guyot, Cyrille Chossegros
PURPOSE: To suggest a decision tree for the choice of the best minimally invasive technique to treat submandibular and parotid calculi, according to the diameter of the calculi and their position in the excretory duct. MATERIALS AND METHODS: Submandibular and parotid ducts can both be divided into thirds, delineated by easily recognizable landmarks. The diameter of calculi is schematically classified into 1 of these 3 categories: floating, slightly impacted, or largely impacted...
June 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28679514/synchronous-urinary-bladder-metastasis-of-chromophobe-renal-cell-carcinoma
#14
Devanshu Bansal, Prabhjot Singh, Brusabhanu Nayak, Seema Kaushal
Urinary bladder metastasis in patients with renal cell carcinoma is rare and until now <70 cases have been documented in literature. Majority of these reported cases were histologically clear cell variant of renal cell carcinoma. Urinary bladder metastasis of chromophobe variant of renal cell carcinoma is extremely rare and is limited to only isolated case reports. We present here a case of a man aged 24 years who was diagnosed to have a left renal mass and right renal calculi on evaluation for complaints of left-sided abdominal pain and was incidentally detected to have suspicious bladder lesions during cystoscopy...
July 5, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28678386/association-between-cystine-urolithiasis-and-neuter-status-of-dogs-within-the-uk
#15
J Florey, V Ewen, H Syme
OBJECTIVES: The objectives of the study were to examine the association between diagnosis of cystine urolithiasis and entire versus neutered status in male dogs and whether the strength of association varies among breeds. MATERIALS AND METHODS: A previously reported canine urolithiasis database was used, documenting all urolith submissions to Hill's Pet Nutrition UK over a 10-year period. Uroliths were classified as cystine or non-cystine, and only male dogs with known neuter status were included in the analysis...
July 5, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28670670/therapeutic-effects-of-aqueous-extracts-of-cerasus-avium-stem-on-ethylene-glycol-induced-kidney-calculi-in-rats
#16
Ehsaneh Azaryan, Mohammad Malekaneh, Maryam Shemshadi Nejad, Fatemeh Haghighi
PURPOSE: To investigate the therapeutic effects of the aqueous extract of Cerasus Avium stem on kidney calculi. MATERIALS AND METHODS: In this experimental study, forty-eight (48) male Wistar rats were randomly allocated into six (6) groups and were studied during a 30 day period. Group A served as normal control and Group B received 1% ethylene glycol in drinking water (EG group). C, D, E, and F Groups, received 1% ethylene glycol from day 1 and were used as prevention and treatment subjects...
July 2, 2017: Urology Journal
https://www.readbyqxmd.com/read/28669550/sulfasalazine-induced-crystalluria-causing-severe-acute%C3%A2-kidney%C3%A2-injury
#17
Michael Durando, Hannah Tiu, James Soo Kim
Sulfasalazine is an anti-inflammatory agent commonly used in the treatment of autoimmune conditions such as inflammatory bowel disease and rheumatoid arthritis. Sulfasalazine is converted by gut bacteria into sulfapyridine and the clinically active metabolite 5-aminosalicylic acid (5-ASA), and its efficacy is proportional to the 5-ASA concentration within the intestinal lumen. Renal complications are commonly reported for the chemically similar 5-ASA derivative mesalamine, but are not well-known side effects of sulfasalazine therapy...
June 29, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28666482/urolithiasis-secondary-to-primary-obstructive-megaureter-in-an-adult-a-case-report
#18
Somuah Tenkorang, Jean-Paul Omana, Soufiane Mellas, Fadl Mohammed Tazi, Jalal Eddine El Ammari, Abdelhak Khallouk, Mohammed Jamal El Fassi, Moulay Hassan Farih
BACKGROUND: Primary obstructive megaureter is relatively uncommon in adults. This condition usually regresses spontaneously or is treated during infancy. It can remain asymptomatic for decades until adulthood when symptoms may manifest in the event of complications or during a routine radiologic imaging. Primary obstructive megaureter has been reported to favor stone formation in the upper urinary tract. CASE PRESENTATION: We present the case of a 35-year-old Moroccan man who had a 10-year history of intermittent left flank pain and hematuria...
July 1, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28663245/large-prostatic-stones-with-staghorn-renal-calculus-in-a-61-year-old-man-an-unusual-presentation-of-uncommon-disease
#19
Fouad Hajji, Khalid Lmezguidi, Abdellatif Janane, Ahmed Ameur
Prostatic parenchymal calculi are common in ageing men who are evaluated for benign prostatic hyperplasia or prostate cancer. Giant prostatic calculi are very rare, usually associated with local predisposing factors for urinary stasis and infections, and traditionally managed by open surgery. We present the first case of its kind to be associated with a concurrent staghorn nephrolithiasis, and removed successfully by endoscopic approach using an access sheath through the urethra.
June 29, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28658843/anatrophic-nephrolithotomy-in-the-management-of-large-staghorn-calculi-a-single-centre-experience
#20
Ramaiah Keshavamurthy, Vilvapathy Senguttuvan Karthikeyan, Ashwin Mallya, Jayaram Sreenivas, Girish Gurubasappa Nelivigi, Ananth Janarthan Kamath
INTRODUCTION: With advances in endourology, open stone surgery for staghorn calculi has markedly diminished. Anatrophic Nephrolithotomy (AN) is performed for complex staghorn stones which cannot be cleared by a reasonable number of Percutaneous Nephrolithotomy (PNL) attempts. AIM: To assess the indications and outcomes of AN in the modern era. MATERIALS AND METHODS: Between April 2008 and July 2015, AN was done in 14 renal units in 13 patients...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
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