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Kidney stones

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https://www.readbyqxmd.com/read/29929208/dna-barcoding-for-the-identification-of-phyllanthus-taxa-used-medicinally-in-brazil
#1
Peter W Inglis, Lorena R Mata, Marcos José da Silva, Roberto F Vieira, Rosa de B N Alves, Dijalma B Silva, Vânia C R Azevedo
Plants of the genus Phyllanthus, principally Phyllanthus amarus, Phyllanthus urinaria, Phyllanthus niruri , and Phyllanthus tenellus, are used in Brazilian folk medicine to treat kidney stones as well as other ailments, where the latter two species are listed in the Brazilian Pharmacopeia as quebra-pedra ( stone-breaker ). However, only P. niruri has been shown to be effective in a clinical setting. Nuclear ribosomal internal transcribed spacer (ITS1 - 5.8S rRNA-ITS2), internal transcribed spacer 2, and chloroplasts rbc L, mat K, psb A- trn H, trn L, and trn L- trn F were screened for their potential as DNA barcodes for the identification of 48 Phyllanthus taxa in Brazilian medicinal plant germplasm banks and in "living pharmacies"...
June 21, 2018: Planta Medica
https://www.readbyqxmd.com/read/29926935/bacteria-bones-and-stones-managing-complications-of-short-bowel-syndrome
#2
REVIEW
Erika Johnson, Long Vu, Laura E Matarese
Short bowel syndrome (SBS) occurs in patients who have had extensive resection. The primary physiologic consequence is malabsorption, resulting in fluid and electrolyte abnormalities and malnutrition. Nutrient digestion, absorption, and assimilation may also be diminished by disturbances in the production of bile acids and digestive enzymes. Small bowel dilation, dysmotility, loss of ileocecal valve, and anatomical changes combined with acid suppression and antimotility drugs increase the risk of small intestinal bacterial overgrowth, further contributing to malabsorption...
June 21, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29926740/the-role-of-social-media-and-internet-search-engines-in-information-provision-and-dissemination-to-patients-with-kidney-stone-disease-ksd-a-systematic-review-from-eau-young-academic-urologists-yau
#3
Enakshee Jamnadass, Omar Aboumarzouk, Panagiotis Kallidonis, Esteban Emiliani, Thomas Tailly, Stephan Hruby, Francesco Sanguedolce, Gokhan Atis, Mehmet Özsoy, Francesco Greco, Bhaskar K Somani
INTRODUCTION: Kidney stone disease (KSD) affects millions of people worldwide and has an increasing incidence. Social media (SoMe) and search engines are both gaining in usage, whilst also being used by patients to research their conditions and aid in managing them. With this in mind, many authors have expressed the belief that SoMe and search engines can be used by patients and healthcare professionals to improve treatment compliance, and to help counselling and management of conditions such as KSD...
June 21, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29923014/how-bothersome-double-j-ureteral-stents-are-after-semirigid-and-flexible-ureteroscopy-a-prospective-single-institution-observational-study
#4
Andrea Bosio, Eugenio Alessandria, Ettore Dalmasso, Dario Peretti, Simone Agosti, Alessandro Bisconti, Paolo Destefanis, Roberto Passera, Paolo Gontero
PURPOSE: To evaluate in details the actual extent of double-J stent-related symptoms after semirigid (URS) and flexible (RIRS) ureteroscopy using a validated questionnaire. METHODS: We asked to complete the Ureteric Stent Symptoms Questionnaire (USSQ) to all stone patients undergoing URS or RIRS with stent placement from 2010 to 2015. Stent-related symptoms' prevalence, severity, and impact on daily life were analyzed using descriptive statistics and five-order Likert scales...
June 19, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29921588/c-terminally-truncated-kidney-specific-variants-of-the-wnk4-kinase-lack-several-sites-that-regulate-its-activity
#5
Adrian Rafael Murillo-de-Ozores, Alejandro Rodriguez-Gama, Silvana Bazua-Valenti, Karla Leyva-Rios, Norma Vazquez, Diana Pacheco-Alvarez, Inti A De-La-Rosa-Velazquez, Agnieszka Wengi, Kathryn L Stone, Junhui Zhang, Johannes Loffing, Richard P Lifton, Chao-Ling Yang, David Ellison, Gerardo Gamba, Maria Castañeda Bueno
WNK lysine-deficient protein kinase 4 (WNK4) is an important regulator of renal salt handling. Mutations in its gene cause pseudohypoaldosteronism type II, mainly arising from overactivation of the renal NaCl cotransporter NCC. In addition to full-length WNK4, we have observed faster migrating bands (between 95 and 130 kDa) in Western blots of kidney lysates. Therefore, we hypothesized that these could correspond to uncharacterized WNK4 variants. Here, using several WNK4 antibodies and WNK4-/- mice as controls, we showed that these bands indeed correspond to short WNK4 variants that are not observed in other tissue lysates...
June 19, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29913913/somatosensory-and-trophic-findings-in-the-referred-pain-area-in-patients-with-kidney-stone-disease
#6
Katja Venborg Pedersen, Asbjørn Mohr Drewes, Ole Graumann, Susanne Sloth Osther, Anne Estrup Olesen, Lars Arendt-Nielsen, Palle Jørn Sloth Osther
Background and purpose Visceral and somatic afferents activate the same neuronal structures in the central nervous system. Assessing somatosensory function and trophic changes in the referred pain area may therefore indirectly increase information on mechanisms involved in painful visceral diseases. The aim of this study was to evaluate the sensory and trophic changes in the flank corresponding to the referred pain area in patients with kidney stone disease. Methods A total of 24 patients with unilateral pain-causing kidney stone disease were studied before and after endoscopic percutaneous kidney stone surgery...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29911509/real-time-ultrasound-guided-percutaneous-nephrolithotomy-using-newly-developed-wireless-portable-ultrasound-a-single-center-experience
#7
Yanxiong Chen, Haofeng Zheng, Zhijun Zang, Xiaobin Hong, Weizhong Cai, Youqiang Fang
OBJECTIVES: To assess the feasibility and utility of a newly developed wireless portable ultrasound "UProbe- 2" for puncture guidance in percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: The UProbe-2 consists of a probe with integrated ultrasound circuit boards inside, an intelligent terminal that installed specific ultrasound software, and a puncture trestle. The probe can connect to an intelligent terminal via WI-FI. It was used to guide puncture in PCNL in 31 patients who suffered kidney stones or large impacted proximal upper ureteral stones with hydronephrosis from June 2016 to July 2017...
June 1, 2018: Surgical Innovation
https://www.readbyqxmd.com/read/29901459/pediatric-calculi-cause-prevention-and-medical-management
#8
Cesare M Scoffone, Cecilia M Cracco
PURPOSE OF REVIEW: The incidence of pediatric nephrolithiasis is on the rise, with a significant related morbidity and a concomitant relevant increase in healthcare costs. The purpose of the present review is to portray the current epidemiology and cause of renal stones in children, to provide a framework for appropriate clinical evaluation on an individual basis, and a guidance regarding treatment and prevention for the following significant risk of lifelong recurrence and deriving complications...
June 12, 2018: Current Opinion in Urology
https://www.readbyqxmd.com/read/29901292/-subcapsular-renal-hematomas-after-ureteroscopic-lithotripsy
#9
B G Guliev, B K Komyakov, A Yu Zaikin
INTRODUCTION: Renal hematomas (RH) are a rare complication of retrograde endoscopic lithotripsy (REL). This study aimed to investigate the incidence and causes of RH after REL in patients with ureteral stones of different locations. MATERIALS AND METHODS: From 2001 to 2016, 1214 REL were performed at the Urology Clinic of the Mechnikov NWSMU. The analyzes of patients who had RH after REL included the following parameters: age, gender, history of upper urinary tract (UUT) surgery and concomitant diseases (diabetes mellitus, hypertension), the baseline kidney function, the stone characteristics and the degree of hydronephrosis observed in the postoperative period, results of laboratory tests, ultrasound and spiral computed tomography (SCT) of the kidneys...
May 2018: Urologii︠a︡
https://www.readbyqxmd.com/read/29900827/percutaneous-nephrolithotomy-in-an-8-week-old-infant
#10
Albert S Lee, Diana K Bowen, Seth Vatsky, Stephen A Zderic, Gregory E Tasian
We report successful percutaneous nephrolithotomy (PCNL) in an 8-week-old, 4.12 kg infant with a combined stone burden of > 2 cm in a solitary kidney. The patient was born with thoracolumbar myelomeningocele and had developed recurrent urinary tract infections. Her size precluded retrograde intrarenal surgery and shockwave lithotripsy would be unlikely to clear the stone burden. Stone analysis revealed hydroxyapatite and carbonate apatite stones, and metabolic work up revealed hypercalciuria for which chlorothiazide was started...
June 2018: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29900818/the-moses-holmium-system-time-is-money
#11
Karen L Stern, Manoj Monga
INTRODUCTION: The Moses technology of the holmium laser has been shown to decrease retropulsion in the ureter and procedural time in kidney stones during laser lithotripsy. Theoretically, these improvements could lead to cost savings for the patient. MATERIALS AND METHODS: All patients with total laser energy data recorded who underwent ureteroscopy with laser lithotripsy by a single surgeon at a tertiary care center were included. Total lasing time was calculated from the total laser energy...
June 2018: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29894776/nephrolithiasis-in-a-17-year-old-male-with-seckel-syndrome-and-horseshoe-kidneys-case-report-and-review-of-the-literature
#12
Matthew Jung, Arun Rai, Lily Wang, Kathleen Puttmann, Kamlesh Kukreja, Chester J Koh
We report the case of a 17 year old male with Seckel syndrome and horseshoe kidneys which had a 7 mm kidney stone in the lower pole calyx of the right moiety. The patient had a history of rotoscoliosis with 60° dextroconvex curvature and hepatic steatosis. Attempted ureteroscopy was unsuccessful due to stone location and anatomy. Percutaneous nephrolithotomy was ultimately required. This case highlights the difficulties of endoscopic treatments of renal calculi in patients with abnormal renal anatomy and dysmorphia...
June 9, 2018: Urology
https://www.readbyqxmd.com/read/29884611/beyond-oxalobacter-the-gut-microbiota-and-kidney-stone-formation
#13
Gwen Falony
No abstract text is available yet for this article.
June 8, 2018: Gut
https://www.readbyqxmd.com/read/29882261/short-term-external-ureter-stenting-shows-significant-benefit-in-comparison-to-routine-double-j-stent-placement-after-ureterorenoscopic-stone-extraction-a-prospective-randomized-trial-the-fast-track-stent-study-fast
#14
Peter Bach, Alina Reicherz, Joel Teichman, Lisa Dahlkamp, Nicolas von Landenberg, Rein-Jueri Palisaar, Joachim Noldus, Christian von Bodman
OBJECTIVES: To determine whether short-term stenting using an external ureter catheter following ureterorenoscopic stone extraction provides a better outcome in comparison to double-J stent ureteral stenting. METHODS: Between August 2014 and August 2015, 141 patients initially managed with a double-J stent insertion were prospectively randomized to ureter catheter for 6 h vs double-J stent insertion for 5 days after stone extraction via ureteroscopy retrograde surgery (including flexible ureteroscopy retrograde surgery) in a single academic center...
June 7, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29881597/from-a-stone-to-rupture-calyceal-rupture-secondary-to-obstructive-uropathy
#15
Babikir Kheiri, Ismail Kazmi, Seetharamprasad Madala, Emad Abu Sitta
Renal collecting system rupture is a rare manifestation of obstructive uropathy. The majority of cases are attributed to ureteric calculi and extrinsic ureteric compression. The optimal diagnostic image is contrast-enhanced CT scan with delayed phase protocol. Management is usually conservative and generally depends on the etiology, urinomas size, and the presence or absence of kidney failure or infections.
June 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29878921/anatomic-variations-and-stone-formation
#16
Helene Jung, Maria S Pless, Palle J S Osther
PURPOSE OF REVIEW: The pathophysiological mechanisms in kidney stone formation are insufficiently understood. In order to achieve a better understanding of the complexity of stone formation, studies evaluating anatomical variations in the renal papillae have been performed. This review intends to illuminate recent findings. Moreover, new techniques to improve the understanding and interpretation of crystallization mechanisms are reviewed. RECENT FINDINGS: Due to improvements of digital ureteroscopes, detailed endoscopic mapping of renal papillae is now possible...
June 6, 2018: Current Opinion in Urology
https://www.readbyqxmd.com/read/29876775/24-h-urine-metabolic-profile-is-it-necessary-in-all-kidney-stone-formers
#17
Yasmin Abu-Ghanem, Asaf Shvero, Nir Kleinmann, Harry Z Winkler, Dorit E Zilberman
PURPOSE: A 24-h urine metabolic profile (24-UMP) is an integral part of nephrolithiasis work-up. We aimed to explore whether it can be waived under certain circumstances. MATERIALS AND METHODS: We reviewed our prospective registry database of patients seen at our outpatient clinic for nephrolithiasis between the years 2010 and 2017. Data included: gender, age at first stone, body mass index (BMI), self-reported comorbidities and family history of nephrolithiasis...
June 6, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29872423/organotin-compounds-toxicity-focus-on-kidney
#18
REVIEW
Carolina Monteiro de Lemos Barbosa, Fernanda Magalhães Ferrão, Jones B Graceli
Organotin compounds (OTs) are synthetic persistent organometallic xenobiotics widely used in several commercial applications. They exert well-described harmful effects in brain, liver, adipose tissue, and reproductive organs, as they are endocrine-disrupting chemicals (EDCs), but the effects in the kidneys are less known. The kidneys are especially vulnerable to environmental contaminants because they are a metabolizing site of xenobiotics, therefore, pollutants can accumulate in renal tissue, leading to impaired renal function and to several renal abnormalities...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29869701/single-use-versus-reusable-ureterorenoscopes-for-retrograde-intrarenal-surgery-rirs-systematic-comparative-analysis-of-physical-and-optical-properties-in-three-different-devices
#19
Susanne Deininger, Luis Haberstock, Stephan Kruck, Eva Neumann, Ines Anselmo da Costa, Tilman Todenhöfer, Jens Bedke, Arnulf Stenzl, Steffen Rausch
INTRODUCTION: Retrograde intrarenal surgery (RIRS) represents a standard option for kidney stone removal. However, RIRS is considered a cost-intensive procedure. Single-use flexible ureterorenoscopes have been introduced to improve budget predictability in RIRS. We assessed differences in physical and optical properties of single-use devices compared to standard reusable endoscopes. METHODS: In two single-use (LithoVue™, Boston Scientific; Pusen Uscope UE3011™), and one reusable ureterorenoscope (Flex-Xc™, Karl Storz), we investigated flow rates, deflection, illuminance, and intrapelvic pressure in a porcine kidney model...
June 5, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29869475/-chronic-pelvic-pain-syndrome-and-crohn-s-disease-a-dangerous-association
#20
G Briganti, J-P Falla, T Roumeguère
We present the case of a 54 year old male complaining of abdominal pain localised in the right flank and irradiating in other abdominal regions. The pain was previously associated with kidney stones, but persisted months after their total evacuation. Suffering from Crohn's disease, low dose corticosteroids likely caused a particularly invalidating chronic prostatitis, which antibiotic treatment aggravated the symptoms of Crohn's disease, therefore complicating the therapeutic care by causing a vicious circle...
May 30, 2018: Revue Médicale de Bruxelles
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