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https://www.readbyqxmd.com/read/28436364/upper-pole-urologist-obtained-percutaneous-renal-access-for-pcnl-is-safe-and-efficacious
#1
Amar P Patel, Don Bui, John Pattaras, Kenneth Ogan
INTRODUCTION: Interventional radiologist may be hesitant to obtain upper pole access for percutaneous nephrolithotomy (PCNL) due to a higher complication rate. Renal access gained by urologists may achieve higher stone-free rates with similar complication rates. We evaluate our institution's contemporary results of percutaneous renal access in the upper pole for nephrolithotomy by urologists, which we believe both safe and efficacious. MATERIALS AND METHODS: This retrospective chart review included all PCNL's performed by fellowship-trained endourologists from 2003 to 2014 at a single institution...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28404984/giant-iliopsoas-abscess-caused-by-morganella-morganii
#2
Mikio Nakajima, Masamitsu Shirokawa, Yasuhiko Miyakuni, Tomotsugu Nakano, Hideaki Goto
BACKGROUND While uncommon, iliopsoas abscesses can become the underlying cause of a fever of unknown origin. Even in such cases, it is considered rare for an iliopsoas abscess to extend into the subcutaneous space. CASE REPORT A 74-year-old woman with a history of schizophrenia was referred to our hospital with a high-grade fever. The patient was unaware of her febrile status prior to admission. There was no previous hospital admission. Examination revealed a non-tender mass in the lower right back that the patient had been aware of for approximately 1 month...
April 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28378059/facilitation-in-caribbean-coral-reefs-high-densities-of-staghorn-coral-foster-greater-coral-condition-and-reef-fish-composition
#3
Brittany E Huntington, Margaret W Miller, Rachel Pausch, Lee Richter
Recovery of the threatened staghorn coral (Acropora cervicornis) is posited to play a key role in Caribbean reef resilience. At four Caribbean locations (including one restored and three extant populations), we quantified characteristics of contemporary staghorn coral across increasing conspecific densities, and investigated a hypothesis of facilitation between staghorn coral and reef fishes. High staghorn densities in the Dry Tortugas exhibited significantly less partial mortality, higher branch growth, and supported greater fish abundances compared to lower densities within the same population...
April 4, 2017: Oecologia
https://www.readbyqxmd.com/read/28370093/the-angular-position-of-a-refuge-affects-escape-responses-in-staghorn-sculpin-leptocottus-armatus
#4
X Shi, J S Møller, J Højgaard, J L Johansen, J F Steffensen, D Liu, P Domenici
The effect of the presence and angular position of a refuge on the direction and kinematics of mechanically-induced escape responses was observed in staghorn sculpins Leptocottus armatus using high-speed video. The results showed that the angular position of the refuge did not affect locomotor performance (speed and acceleration), although it did affect the escape trajectories. Therefore, the angular position of a refuge can modulate the direction taken by the L. armatus during the early stages of their escape response and this response can be affected by both repulsive (i...
April 2, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28357451/comparison-of-supine-and-prone-positions-for-percutaneous-nephrolithotomy-in-treatment-of-staghorn-stones
#5
Mehmet İlker Gökce, Arif Ibiş, Adem Sancı, Aykut Akıncı, Uygar Bağcı, Eylül Asya Ağaoğlu, Evren Süer, Ömer Gülpınar
INTRODUCTION: Percutaneous nephrolithotomy (PNL) is the primary treatment modality for management of staghorn stones. PNL in supine position has important advantages over prone positon. However, studies comparing prone and supine positions for PNL in staghorn stone patients have conflicting results, and the aim of the current study was to compare prone and supine positions for PNL in staghorn stone cases. PATIENTS AND METHODS: Data of patients underwent PNL for staghorn stones in supine or prone position by a single urologist were collected prospectively...
March 29, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28338302/use-of-the-uro-dyna-ct-in-endourology-the-new-frontier
#6
Fabio C Vicentini, Luiz A A Botelho, José L M Braz, Ernane S Almeida, Marcelo Hisano
We describe the use of the Uro Dyna-CT, an imaging system used in the operating room that produces real-time three-dimensional (3D) imaging and cross-sectional image reconstructions similar to an intraoperative computerized tomography, during a percutaneous nephrolithotomy and a contralateral flexible ureteroscopy in a complete supine position. A 65 year-old female patient had an incomplete calyceal staghorn stone in the right kidney and a 10mm in the left one. The procedure was uneventful and the intraoperative use of the Uro Dyna-CT identified 2 residual stones that were not found by digital fluoroscopy and flexible nephroscopy at the end of surgery, helping us to render the patient stone-free in one procedure, which was confirmed by a postoperative CT scan...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28319134/genotype-and-local-environment-dynamically-influence-growth-disturbance-response-and-survivorship-in-the-threatened-coral-acropora-cervicornis
#7
Crawford Drury, Derek Manzello, Diego Lirman
The relationship between the coral genotype and the environment is an important area of research in degraded coral reef ecosystems. We used a reciprocal outplanting experiment with 930 corals representing ten genotypes on each of eight reefs to investigate the influence of genotype and the environment on growth and survivorship in the threatened Caribbean staghorn coral, Acropora cervicornis. Coral genotype and site were strong drivers of coral growth and individual genotypes exhibited flexible, non-conserved reaction norms, complemented by ten-fold differences in growth between specific G-E combinations...
2017: PloS One
https://www.readbyqxmd.com/read/28303631/surgical-outcomes-of-percutaneous-nephrolithotomy-in-3402-patients-and-results-of-stone-analysis-in-1559-patients-from-a-single-centre-in-pakistan
#8
Syed Adibul Hasan Rizvi, Manzoor Hussain, Syed Hassan Askari, Altaf Hashmi, Murli Lal, Mirza Naqi Zafar
OBJECTIVE: To report our experience of a series of percutaneous nephrolithotomy (PCNL) procedures in a single centre over 18 years in terms of patient and stone characteristics, indications, stone clearance and complications, along with the results of chemical analysis of stones in a subgroup. PATIENTS AND METHODS: We retrospectively analysed the outcomes of PCNL in 3402 patients, who underwent the procedure between 1997 and 2014, obtained from a prospectively maintained database...
March 16, 2017: BJU International
https://www.readbyqxmd.com/read/28303335/treatment-selection-for-urolithiasis-percutaneous-nephrolithomy-ureteroscopy-shock-wave-lithotripsy-and-active-monitoring
#9
Mahesh Desai, Yinghao Sun, Noor Buchholz, Andrew Fuller, Tadashi Matsuda, Brian Matlaga, Nicole Miller, Damien Bolton, Mohammad Alomar, Arvind Ganpule
Urolithiasis is a significant worldwide source of morbidity, constituting a common urological disease that affects between 10 and 15% of the world population. Recent technological and surgical advances have replaced the need for open surgery with less invasive procedures. The factors which determine the indications for percutaneous nephrolithotomy include stone factors (stone size, stone composition, and stone location), patient factors (habitus and renal anomalies), and failure of other treatment modalities (ESWL and flexible ureteroscopy)...
March 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28275512/how-practical-is-the-application-of-percutaneous-nephrolithotomy-scoring-systems-prospective-study-comparing-guy-s-stone-score-s-t-o-n-e-score-and-the-clinical-research-office-of-the-endourological-society-croes-nomogram
#10
Anurag Singla, Nikhil Khattar, Rishi Nayyar, Shibani Mehra, Hemant Goel, Rajeev Sood
OBJECTIVE: To prospectively compare the Guy's Stone Score (GSS), S.T.O.N.E. [stone size (S), tract length (T), obstruction (O), number of involved calices (N), and essence or stone density (E)] score and the Clinical Research Office of the Endourological Society (CROES) nephrolithometric nomogram to predict percutaneous nephrolithotomy (PCNL) success rate and assess the correlation with perioperative complications. PATIENTS AND METHODS: We prospectively evaluated all consecutive PCNL patients at our institute between 1 November 2013 and 31 May 2015...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28248025/-psychological-aspects-of-treating-staghorn-nephrolithiasis-using-percutaneous-and-retrograde-nephrolithotripsy
#11
A A Podoinitsyn, V V Dutov
AIM: To investigate the level of anxiety and the severity of asthenic state in patients with staghorn nephrolithiasis treated by of minimally invasive therapies - percutaneous nephrolithotripsy (PNLT) and retrograde nephrolithotripsy (RNLT). PATIENTS AND METHODS: This study analyzed the psychological state of 150 patients with staghorn nephrolithiasis aged 25 to 75 years before and after PNLT and RNLT. Testing was performed at baseline, at 5-7 day of hospital stay (average time of preparing for surgery) and after treatment with the use of various questionnaires: Anxiety Scale, Asthenic conditions scale and Pain questionnaire...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247655/-the-choice-of-surgical-modality-to-treat-patients-with-staghorn-nephrolithiasis
#12
S B Imamverdiyev, T A Talybov
AIM: Improvement in the results of the treatment of patients suffering from staghorn and multiple nephrolithiasis, using open method of surgery and a retrospective analysis of the surgical data. MATERIAL AND METHODS: There was executed asurgical treatment of the 730 patients with staghorn and multiple nephrolithiasis in the period from 1998 to 2012. 480 of the patients had one-sided staghorn stones and 250 of them had double-sided staghorn stones. Age of the patients varied from 4 to 76 years old (average - 49)...
April 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247641/-initial-experience-with-laparoscopic-anatrophic-nephrolithotomy
#13
A D Kochkin, A G Martov, F A Sevryukov, A V Knutov, V P Sergeev
Percutaneous nephrolithotomy is a recognized standard for minimally invasive treatment of large kidney stones. Percutaneous interventions for complete staghorn stones are associated with a higher risk of complications that precludes abandoning the traditional open operations, one of which is an anatrophic nephrolithotomy. This paper presents the first personal experience in laparoscopic transmesenteric anatrophic nephrolithotomy. The intervention was conducted in 3 patients (2 males and 1 female) aged 43 to 58 years, having a primary symptomatic complete left kidney staghorn stones sized from 7...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28216931/predictors-of-radiation-exposure-to-providers-during-percutaneous-nephrolithotomy
#14
David L Wenzler, Joel E Abbott, Jeannie J Su, William Shi, Richard Slater, Daniel Miller, Michelle J Siemens, Roger L Sur
BACKGROUND: Limited studies have reported on radiation risks of increased ionizing radiation exposure to medical personnel in the urologic community. Fluoroscopy is readily used in many urologic surgical procedures. The aim of this study was to determine radiation exposure to all operating room personnel during percutaneous nephrolithotomy (PNL), commonly performed for large renal or complex stones. MATERIALS AND METHODS: We prospectively collected personnel exposure data for all PNL cases at two academic institutions...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28169121/-percutaneous-nephrolithotomy-for-kidney-stones-in-elderly-patients-meta-analysis-of-results-and-complications
#15
R Haider, P Regnier, F-R Roustan, F Séverac, P-J Treacy, L Mendel, Y Bodokh, B Tibi, R Prader, O Traxer, D Chevallier, J Amiel, M Durand
INTRODUCTION AND OBJECTIVE: Percutaneous nephrolithotomy (PCNL) is the gold standard treatment for kidney stones regardless of age. Elderly patients (EP)≥65years old, in growing numbers, have more comorbidities than the general population, may alter results of PCNL. The aim of this meta-analysis was to compare efficacy and complications of this procedure between EP and young patients (YP). METHODS: Original studies of prospective and historical cohorts, in English or French, presenting PCNL series published on PubMed until 2015 were identified using the keywords percutaneous nephrolithotomy, elderly patients, kidney stones and staghorn calculi...
February 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28161725/treatment-for-residual-stones-using-flexible-ureteroscopy-and-holmium-laser-lithotripsy-after-the-management-of-complex-calculi-with-single-tract-percutaneous-nephrolithotomy
#16
L Chen, M-L Sha, D Li, J Zhuo, C-Y Jiang, Y-P Zhu, S-J Xia, J Lu, Y Shao
This study validated the effectiveness and safety of the treatment for residual stones using flexible ureteroscopy (fURS) and holmium laser (0.6-1.2 J, 20-30 Hz) lithotripsy via a fiber with a 200-μm core diameter and 0.22 numerical aperture (NA) after the management of complex calculi with single-tract percutaneous nephrolithotomy (PCNL). Between January 2014 and June 2016, 27 consecutive patients with complex calculi underwent fURS and holmium laser lithotripsy after a planned single-tract PCNL. Among the 27 patients with complex calculi, 9 had full staghorn calculi, 7 had partial staghorn calculi, and 11 had multiple calculi...
April 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28111719/additive-effects-of-the-herbicide-glyphosate-and-elevated-temperature-on-the-branched-coral-acropora-formosa-in-nha-trang-vietnam
#17
C Amid, M Olstedt, J S Gunnarsson, H Le Lan, H Tran Thi Minh, P J Van den Brink, M Hellström, M Tedengren
The combined effects of the herbicide glyphosate and elevated temperature were studied on the tropical staghorn coral Acropora formosa, in Nha Trang bay, Vietnam. The corals were collected from two different reefs, one close to a polluted fish farm and one in a marine-protected area (MPA). In the laboratory, branches of the corals were exposed to the herbicide glyphosate at ambient (28 °C) and at 3 °C elevated water temperatures (31 °C). Effects of herbicide and elevated temperature were studied on coral bleaching using photography and digital image analysis (new colorimetric method developed here based on grayscale), chlorophyll a analysis, and symbiotic dinoflagellate (Symbiodinium, referred to as zooxanthellae) counts...
January 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28098121/perspectives-on-hypertension-outcomes-after-single-stage-clearance-of-a-complete-staghorn-renal-calculus
#18
Ranjit Chaudhary, Kulwant Singh, Chirag S Dausage, Nidhi Jain
A 55-year-old male presented, in June 2013, with left flank pain. Investigations revealed a complete staghorn stone. He had undergone two sittings of extracorporeal shock wave lithotripsy (ESWL) in 2008 for left renal stone. One year subsequent to this, he was diagnosed with hypertension and diabetes. The management of complete staghorn stones in a single sitting is a difficult proposition. Percutaneous nephrolithotomy (PCNL) is the gold standard to manage such stones. The patient was subjected to PCNL, and complete clearance was achieved in one sitting...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28057987/factors-predicting-infectious-complications-following-percutaneous-nephrolithotomy
#19
Kuldeep Sharma, Satya Narayan Sankhwar, Apul Goel, Vishwajeet Singh, Pradeep Sharma, Yogesh Garg
OBJECTIVE: To determine the predictors of infectious complications following percutaneous nephrolithotomy (PCNL) in a prospective study. MATERIALS AND METHODS: A total of 332 patients with renal or upper ureteric calculi who underwent PCNL between January 2013 and June 2014 were included in the study. Infectious complications included febrile urinary tract infection and septicemia. The patients were divided into Group A and B depending on whether they developed or did not develop infectious complications...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28054210/total-resection-combined-with-osteotomy-is-more-effective-for-orbital-solitary-fibrous-tumor-excision-a-report-of-three-cases
#20
Katsuya Tanaka, Hiroki Yano, Hiroko Hayashi, Akiyoshi Hirano
A solitary fibrous tumor is a neoplasm generally arising from the mesothelial surfaces of the pleura and mesothelium. In this paper, we describe three cases of rare solitary fibrous tumors arising from the orbit and discuss the management of the tumors, including diagnosis and treatment. All three cases were treated by surgical resection and showed satisfactory aesthetic and functional results. For a definitive diagnosis, immunohistochemical staining for proteins such as vimentin, CD34 and bcl-2 and hematoxylin and eosin (H&E) staining for identifying the morphological characteristics of spindle cell tumors with a partially storiform pattern and staghorn vessels are indispensable...
January 4, 2017: International Ophthalmology
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