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Urolithiasis

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https://www.readbyqxmd.com/read/28718073/a-randomised-phase-ii-iii-study-to-evaluate-the-efficacy-and-safety-of-orally-administered-oxalobacter-formigenes-to-treat-primary-hyperoxaluria
#1
Dawn Milliner, Bernd Hoppe, Jaap Groothoff
Primary hyperoxaluria (PH) patients overproduce oxalate because of rare genetic errors in glyoxylate metabolism. Recurrent urolithiasis and/or progressive nephrocalcinosis are PH hallmarks and can lead to kidney damage, systemic oxalosis and death. Based on previous studies, we hypothesised that treatment with the oxalate-metabolizing bacterium Oxalobacter formigenes would mediate active elimination of oxalate from the plasma to the intestine of PH patients, thereby reducing urinary oxalate excretion (Uox)...
July 17, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28702679/predictive-factors-of-bleeding-among-pediatric-patients-undergoing-percutaneous-nephrolithotomy
#2
Cagri Senocak, Ridvan Ozbek, Omer Faruk Bozkurt, Ali Unsal
The purpose of this study is to determine the perioperative risk factors for increased blood loss in children undergoing percutaneous nephrolithotomy (PCNL).We retrospectively reviewed the data on pediatric patients who had undergone PCNL for stone disease in our department. Blood loss estimation was quantified by measuring the changes in hematocrit plus the volume of red blood cells transfused. Univariate and multivariate linear regression analyses were performed to evaluate risk factors associated with increased blood loss after pediatric PCNL...
July 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28695238/predictive-risk-factors-for-systemic-inflammatory-response-syndrome-following-ureteroscopic-laser-lithotripsy
#3
Yusuke Uchida, Ryoji Takazawa, Sachi Kitayama, Toshihiko Tsujii
The objective of this study was to investigate risk factors for the development of systemic inflammatory response syndrome following ureteroscopic laser lithotripsy. We retrospectively collected data of 469 patients who underwent ureteroscopic laser lithotripsy at our single institution from February 2008 to June 2016. Details for the patient, the stone, and the surgical factors that potentially contributed to postoperative infection were extracted. Using a logistic regression model, we analyzed how the clinical factors affected the incidence of systemic inflammatory response syndrome...
July 10, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28681267/intravenous-paracetamol-vs-ibuprofen-in-renal-colic-a-randomised-double-blind-controlled-clinical-trial
#4
E Cenker, M Serinken, E Uyanık
Pain management is one of the essentials of emergency care. Renal colic secondary to urinary stone disease forms one of the most intense pain types. The present study aimed to compare the effect of intravenous ibuprofen to paracetamol in ceasing renal colic. This randomised double-blind study was composed of two intervention arms, intravenous paracetamol and intravenous ibuprofen. Study subjects were randomised to receive a single dose of either paracetamol, 1 g in 100 ml normal saline, or ibuprofen (800 mg in 100 ml normal saline) in a blinded fashion...
July 5, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28674784/vitamin-b6-intake-and-the-risk-of-incident-kidney-stones
#5
Pietro Manuel Ferraro, Eric N Taylor, Giovanni Gambaro, Gary C Curhan
Higher vitamin B6 intake might reduce urinary excretion of oxalate, one of the major determinants of risk for calcium oxalate kidney stones. Previous studies investigating the association between intake of vitamin B6 and risk of stones found conflicting results. We sought to investigate the association in three large prospective cohorts. We prospectively examined the association in the Health Professionals Follow-up Study (HPFS; n = 42,919 men), Nurses' Health Study I (NHS I; n = 60,003 older women), and Nurses' Health Study II (NHS II; n = 90,629 younger women)...
July 3, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28660284/primary-hyperoxaluria-in-populations-of-pakistan-origin-results-from-a-literature-review-and-two-major-registries
#6
REVIEW
Jamsheer Jehangir Talati, Sally-Anne Hulton, Sander F Garrelfs, Wajahat Aziz, Shoaib Rao, Amanullah Memon, Zafar Nazir, Raziuddin Biyabani, Saqib Qazi, Iqbal Azam, Aysha Habib Khan, Jamil Ahmed, Lena Jafri, Mohammad Zeeshan
Primary hyperoxalurias (PH) are devastating, autosomal recessive diseases causing renal stones. Undifferentiated hyperoxaluria is seen in up to 43% of Pakistani paediatric stone patients. High rates of consanguinity in Pakistan suggest significant local prevalence. There is no detailed information regarding number of cases, clinical features, and genetics in Pakistan-origin (P-o) patients. We reviewed available information on P-o PH patients recorded in the literature as well as from two major PH registries (the Rare Kidney Stone Consortium PH Registry (RKSCPHR) and the OxalEurope PH Registry (OxER); and the Aga Khan University Hospital in Pakistan...
June 28, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28660283/a-new-method-for-predicting-uric-acid-composition-in-urinary-stones-using-routine-single-energy-ct
#7
Mats Lidén
Urinary stones composed of uric acid can be treated medically. Prediction of uric acid stone type is, therefore, desirable when a urinary stone is diagnosed with unenhanced CT. The purpose of the present study was to describe single-energy thin slice quantitative CT parameters of urinary stones correlated to chemical stone type and to develop a method to distinguish pure uric acid stones (UA) from other stones (non-UA/Mix). Unenhanced thin slice single-energy CT images of 126 urinary stones (117 patients) with known chemical stone type were retrospectively included in the study...
June 28, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28646306/evaluation-of-stone-volume-distribution-in-renal-collecting-system-as-a-predictor-of-stone-free-rate-after-percutaneous-nephrolithotomy-a-retrospective-single-center-study
#8
Hasan Anıl Atalay, Lutfi Canat, Recep Bayraktarlı, Ilter Alkan, Osman Can, Fatih Altunrende
We analyzed our stone-free rates of PNL with regard to stone burden and its ratio to the renal collecting system volume. Data of 164 patients who underwent PNL were analyzed retrospectively. Volume segmentation of renal collecting system and stones were done using 3D segmentation software with the images obtained from CT data. Analyzed stone volume (ASV) and renal collecting system volume (RCSV) were measured and the ASV-to-RCSV ratio was calculated after the creation of a 3D surface volume rendering of renal stones and the collecting system...
June 23, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28646305/the-effect-of-hydrodynamic-and-thermodynamic-factors-and-the-addition-of-citric-acid-on-the-precipitation-of-calcium-oxalate-dihydrate
#9
Anamarija Šter, Silvija Šafranko, Katarina Bilić, Berislav Marković, Damir Kralj
This paper reports on the investigation of experimental conditions relevant for spontaneous precipitation of significant amount of pure calcium oxalate dihydrate (COD). For this purpose, the hydrodynamic and thermodynamic parameters, such as mode of agitation, temperature, supersaturation and concentration of additives (citrate ions), have been studied. The results show that in the model systems, without the citrate addition and applied mechanical stirring, calcium oxalate monohydrate (COM) was observed as dominant modification after 20 min of aging, while the magnetic stirring resulted in a formation of a mixture of COM and calcium oxalate trihydrate (COT), regardless of the temperature applied...
June 23, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28642966/procedural-sedation-and-analgesia-for-pediatric-shock-wave-lithotripsy-a-10-year-experience-of-single-institution
#10
Banu Cevik, Murat Tuncer, Kutlu Hakan Erkal, Bilal Eryildirim, Kemal Sarica
The aim of this study was to evaluate anesthesia practice for pediatric extracorporeal shock wave lithotripsy (ESWL) according to the age groups and discuss the anesthetic management of these patients. Pediatric patients treated with ESWL because of urolithiasis under anesthesia in our department between December 2007 and January 2017 were evaluated retrospectively. A total of 251 patients were divided into two groups as Group PS: preschool children (<6 years) and Group S: school children (≥6 years)...
June 22, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28624896/how-can-the-operation-time-be-shortened-by-reducing-the-tract-size
#11
LETTER
Kadir Yildirim, Namik Kemal Hatipoglu
No abstract text is available yet for this article.
June 17, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28623397/different-effects-of-%C3%AE-linolenic-acid-gla-supplementation-on-plasma-and-red-blood-cell-phospholipid-fatty-acid-composition-and-calcium-oxalate-kidney-stone-risk-factors-in-healthy-subjects-from-two-race-groups-with-different-risk-profiles-pose-questions-about
#12
Allen L Rodgers, Dalielah Jappie-Mahomed, Paul J van Jaarsveld
Fatty acid (FA) composition of phospholipids in plasma and red blood cells (RBC) can influence calciuria, oxaluria and renal stone formation. In this regard, the ratio of arachidonic acid (AA) and its precursor linoleic acid (LA) appears to be important. Administration of γ-linolenic acid (GLA) has been shown to increase the concentration of dihomo-gamma linoleic acid (DGLA) relative to AA indicating that it may attenuate biosynthesis of the latter. Such effects have not been investigated in race groups having difference stone occurrence rates...
June 16, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28616648/protective-effect-of-dietary-polyphenol-caffeic-acid-on-ethylene-glycol-induced-kidney-stones-in-rats
#13
Fauzia Yasir, Atia-Tul- Wahab, M Iqbal Choudhary
Dietary polyphenol caffeic acid (1) has been reported for various pharmacological activities. The aim of the current study was to investigate the effect of caffeic acid (1) on ethylene glycol-induced renal stones in rats. For the study, male Wistar rats were divided into seven groups; normal, pathological, and standard drug controls, and preventive and curative groups. Normal control group received drinking water for 8 weeks. Pathological, standard drug, preventive, and curative groups received 0.75% ethylene glycol in drinking water for the induction of calcium oxalate stone formation, along with the regular diet...
June 14, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28612094/emergent-ureteral-stone-treatment-whom-when
#14
LETTER
Akif Erbin, Omer Sarilar, Abdulkadir Tepeler
No abstract text is available yet for this article.
June 13, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28608037/experience-of-retaining-encrusted-ureteral-stents-url-by-4-5-6-5f-ureteroscope-can-reduce-the-possibility-of-pcnl
#15
Zhaohui He, Hanqi Lei, Caixia Zhang, Hangtao Wang, Fucai Tang, Guohua Zeng
The purpose of the study was to present our experience of retaining encrusted ureteral stents (EUS) and discuss the effectiveness of 4.5/6.5F ureteroscope (URS) in the procedure. The data of patients with EUS in our center from January 2012 to December 2016 were retrospectively analyzed. The inclusion criterion was ureteral stents that required intervention above the ureteral orifice to retain and was proved to be encrusted. Impacted stents would be removed by ureteroscope lithotripsy (URL) via 8/9.8F or 4...
June 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28593452/physical-therapy-in-the-management-of-stone-fragments-progress-status-and-needs
#16
REVIEW
Suoshi Jing, Qiongyan Gai, Xin Zhao, Juan Wang, Yuwen Gong, Yangyang Pang, Chen Peng, Yuejun Tian, Yuhan Wang, Zhiping Wang
With an increased risk of symptomatic events, the complications related to residual fragments are complex and intractable. The management of stone fragments is a challenge to urologists. This review focused on the progress, status, and needs of the newly developed physical therapies to remove fragments and improve the stone-free rate. Physical therapies, including mechanical percussion, diuresis, and inversion therapy, ultrasonic propulsion technology, glue-clot technology, and magnetization technology, will facilitate progress in endoscopic stone fragment retrieval...
June 7, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28585182/lime-powder-treatment-reduces-urinary-excretion-of-total-protein-and-transferrin-but-increases-uromodulin-excretion-in-patients-with-urolithiasis
#17
Piyaratana Tosukhowong, Pimsuda Kulpradit, Sakdithep Chaiyarit, Wattanachai Ungjareonwattana, Nuttiya Kalpongnukul, Supoj Ratchanon, Visith Thongboonkerd
Our previous study has shown that lime powder (LP) had an inhibitory effect against calcium oxalate stone formation. However, the precise mechanisms underlying such beneficial effect remained unclear. Our present study thus aimed to address the effect of LP on excretory level and compositions of urinary proteins using a proteomics approach. From a total of 80 calcium oxalate stone formers recruited into our 2-year randomized clinical trial of LP effect, 10 patients with comparable age and clinical parameters were selected for this proteomic study...
June 5, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28585181/which-way-is-best-for-stone-fragments-and-dust-extraction-during-percutaneous-nephrolithotomy
#18
Bulent Kati, Eyyup Sabri Pelit, Ismail Yagmur, Yigit Akin, Halil Ciftci, Ercan Yeni
Percutaneous nephrolithotomy (PCNL) is a commonly used type of minimally invasive treatment in kidney stone surgeries. Surgical success is assessed according to residual stone amount after surgery. The purpose of this study is to compare the two methods' success and practicality that are applied after the fracture of the stone in the patients who applied PCNL and which enable the removal of the residual stones. Among 102 patients who underwent a single-session of PCNL at our department between June 2015 and November 2016 were evaluated...
June 5, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28567512/total-flavonoids-of-desmodium-styracifolium-attenuates-the-formation-of-hydroxy-l-proline-induced-calcium-oxalate-urolithiasis-in-rats
#19
Jianfu Zhou, Jing Jin, Xiong Li, Zhongxiang Zhao, Lei Zhang, Qian Wang, Jing Li, Qiuhong Zhang, Songtao Xiang
Desmosium styracifolium (D. styracifolium), which is considered as a Chinese herbal medicine, has been reported to treat the kidney stone diseases. However, the potential phytochemically active components and the underlying mechanisms associated with its efficacy in targeting urolithiasis remain to be elucidated. This study aims to investigate the anti-urolithiatic effect of total flavonoids of D. styracifolium (TFDS) on calcium oxalate (CaOx) renal stones in Sprague-Dawley rats. Animal models of CaOx urolithiasis were established in male Sprague-Dawley rats by adding 5% w/w hydroxy-L-proline (HLP) in regular rat chow...
May 31, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28555349/hospital-admission-for-treatment-of-complications-after-extracorporeal-shock-wave-lithotripsy-for-renal-stones-a-study-of-risk-factors
#20
Ahmed R El-Nahas, Diaa-Eldin Taha, Mohamed M Elsaadany, Mohamed H Zahran, Mohamed Hassan, Khaled Z Sheir
The objective of this study was to determine risk factors of hospital admission for treatment of complications after extracorporeal shock wave lithotripsy (SWL). The electronic files and images of all patients who underwent SWL for treatment of renal stones between January 2011 and December 2015 were retrospectively reviewed. All patients underwent SWL with the same electromagnetic lithotripter (Dornier Lithotripot S). The data of those who needed hospital admission for treatment of complications within 30 days after SWL were compared with patients who did not require hospital admission...
May 29, 2017: Urolithiasis
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