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LESS nephrectomy

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https://www.readbyqxmd.com/read/29775473/na-k-atpase-signaling-mediates-mir-29b-3p-regulation-and-cardiac-fibrosis-formation-in-mice-with-chronic-kidney-disease
#1
Christopher A Drummond, Xiaoming Fan, Steven T Haller, David J Kennedy, Jiang Liu, Jiang Tian
The Na/K-ATPase is an important membrane ion transporter and a signaling receptor that is essential for maintaining normal cell function. The current study examined the role of Na/K-ATPase signaling in regulating miR-29b-3p, an anti-fibrotic microRNA, in a mouse chronic kidney disease (CKD) model (5/6th partial nephrectomy or PNx). The results showed that CKD induced significant reduction of miR-29b-3p expression in the heart tissue by activation of Src and NFκB signaling in these animals. To demonstrate the role of Na/K-ATPase signaling, we also performed the PNx surgery on Na/K-ATPase α1 heterozygous (α1+/-) mice, which expresses ~40% less Na/K-ATPase α1 compared to their wild type littermates (WT) and exhibits deficiency in Na/K-ATPase signaling...
2018: PloS One
https://www.readbyqxmd.com/read/29760223/genomic-heterogeneity-and-the-small-renal-mass
#2
Daiki Ueno, Zuoquan Xie, Marta Boeke, Jamil Syed, Kevin A Nguyen, Patrick McGillivray, Adebowale Adeniran, Peter A Humphrey, Garrett M Dancik, Yuval Kluger, Zongzhi Liu, Harriet M Kluger, Brian Shuch
PURPOSE: Tumor heterogeneity may represent a barrier to pre-operative genomic characterization by needle biopsy in clear cell renal cell carcinoma (ccRCC). The extent of heterogeneity in small renal tumors remains unknown. Therefore, we set out to evaluate heterogeneity in resected large and small renal tumors. EXPERIMENTAL DESIGN: We conducted a study from 2013 through 2016, that evaluated 47 consecutive ccRCC tumors resected during radical or partial nephrectomy...
May 14, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29731060/delayed-recovery-of-renal-function-after-donor-nephrectomy
#3
J C Na, J S Park, M-G Yoon, H H Lee, Y E Yoon, K H Huh, Y S Kim, W K Han
BACKGROUND: Many living kidney donors are still at risk of chronic kidney disease (CKD) 1 year after nephrectomy. Although some donors still experience poor renal function, many exhibit delayed recovery of renal function afterwards. We studied the factors related to delayed recovery of renal function in patients with CKD at 1 year after nephrectomy. METHODS: Patients who underwent donor nephrectomy from March 2006 to April 2014 with a follow-up creatinine study at 1 month, 6 months, 1 year, and after 3 years of follow-up were included in the study...
May 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29726092/intra-operative-cell-salvage-in-urological-surgery-a-systematic-review-and-meta-analysis-of-comparative-studies
#4
REVIEW
Ned Kinnear, Michael O'Callaghan, Derek Hennessey, Heath Liddell, Bradley Newell, John Bolt, A/Prof Nathan Lawrentschuk
OBJECTIVE: To systematically evaluate the safety and efficacy of intra-operative cell salvage (ICS) in urology. METHODS: A search of Medline, Embase and Cochrane Library to August 2017 was performed using methods pre-published on PROSPERO. Reporting followed the Preferred Reporting Items for Systematic Review and Meta-analysis guidelines. Eligible titles were comparative studies published in English utilising ICS in urology. Primary outcomes were allogeneic transfusion rates (ATR) and tumour recurrence...
May 3, 2018: BJU International
https://www.readbyqxmd.com/read/29723225/survival-outcomes-in-patients-with-large-%C3%A2-7cm-clear-cell-renal-cell-carcinomas-treated-with-nephron-sparing-surgery-versus-radical-nephrectomy-results-of-a-multicenter-cohort-with-long-term-follow-up
#5
M W W Janssen, J Linxweiler, S Terwey, S Rugge, C-H Ohlmann, F Becker, Ch Thomas, A Neisius, J W Thüroff, S Siemer, M Stöckle, F C Roos
BACKGROUND: Does the dogma of nephron sparing surgery (NSS) still stand for large renal masses? Available studies dealing with that issue are considerably biased often mixing imperative with elective indications for NSS and also including less malignant variants or even benign renal tumors. Here, we analyzed the oncological long-term outcomes of patients undergoing elective NSS or radical tumor nephrectomy (RN) for non-endophytic, large (≥7cm) clear cell renal carcinoma (ccRCC). METHODS: Prospectively acquired, clinical databases from two academic high-volume centers were screened for patients from 1980 to 2010...
2018: PloS One
https://www.readbyqxmd.com/read/29693280/case-of-complete-response-to-neoadjuvant-therapy-using-nivolumab-in-a-patient-with-metastatic-renal-cell-carcinoma
#6
Daiki Ikarashi, Yoichiro Kato, Hirokatsu Katagiri, Takeshi Takahara, Noriyuki Uesugi, Ei Shiomi, Jun Sugimura, Hiroyuki Nitta, Tamotsu Sugai, Wataru Obara
Here, we report a case of a 68-year-old woman with cT4N0M1 (liver invasion and multiple lung metastases) metastatic renal cell carcinoma. We could carry out less invasive nephrectomy with partial hepatectomy because nivolumab administration as second-line therapy reduced the primary tumor remarkably. To the best of our knowledge, this is the first report of the use of nivolumab before carrying out surgery, and histological findings showed a pathological complete response.
April 25, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29682611/unilateral-renal-tumor-cryoablation-and-contralateral-radical-nephrectomy-of-bilateral-renal-tumors-by-transumbilical-3d-multichannel-laparoendoscopic-single-site-surgery
#7
Guopeng Yu, Ke Zhang, Wenzhi Li, Long Li, Yanliang Zhao, Yiwei Wang, Mingxi Xu, Jun Da, Guoqin Dong, Zhong Wang, Bin Xu
Background: Unilateral renal tumor cryoablation and contralateral radical nephrectomy of bilateral renal tumors were performed by transumbilical three-dimensional (3D) multichannel laparoendoscopic single-site (LESS) surgery, in an attempt to verify the feasibility and safety of the procedure, sum up the operational experience, and evaluate the surgical outcome. Case Presentation: This was a 47-year-old female patient with a body mass index of 27.34 kg/m2 without backache, low back pain, hematuria, urinary urgency, frequent urination, dysuria, and other symptoms...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29680768/utilization-of-stereotactic-radiosurgery-for-renal-cell-carcinoma-brain-metastases
#8
Waqar Haque, Vivek Verma, E Brian Butler, Bin S Teh
BACKGROUND: Because renal cell carcinoma (RCC) has been traditionally considered a "radioresistant" histology, it may be advantageous to treat brain metastases (BMs) with ablative dosing by means of stereotactic radiosurgery (SRS). This is the first known analysis evaluating utilization of SRS for RCC BMs in the United States. METHODS: The National Cancer Data Base was queried (2005-2014) for metastatic RCC and delivery of intracranial radiotherapy. Patients were stratified into groups receiving either SRS or non-SRS treatment...
April 3, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29614098/a-novel-calcimimetic-agent-evocalcet-mt-4580-khk7580-suppresses-the-parathyroid-cell-function-with-little-effect-on-the-gastrointestinal-tract-or-cyp-isozymes-in-vivo-and-in-vitro
#9
Takehisa Kawata, Shin Tokunaga, Miki Murai, Nami Masuda, Waka Haruyama, Youji Shoukei, Yutaka Hisada, Tetsuya Yanagida, Hiroshi Miyazaki, Michihito Wada, Tadao Akizawa, Masafumi Fukagawa
Cinacalcet hydrochloride (cinacalcet), an oral calcimimetic agent has been widely used for the management of secondary hyperparathyroidism (SHPT) in chronic kidney disease (CKD). In sharp contrast to vitamin D receptor activators, cinacalcet suppresses SHPT without inducing hypercalcemia or hyperphosphatemia. Nevertheless, some patients remain refractory to SHPT with this agent, as the dose cannot be sufficiently increased due to gastrointestinal symptoms. In order to resolve this issue, we have developed a newly synthesized calcimimetic agent, evocalcet (MT-4580/KHK7580)...
2018: PloS One
https://www.readbyqxmd.com/read/29582796/prospective-analysis-of-laparoscopic-versus-open-radical-nephrectomy-for-renal-tumours-more-than-7-cm
#10
Mohd Mubashir Ali Khan, Rajkumar Ashokkumar Patel, Nitesh Jain, Arunkumar Balakrishnan, Murali Venkataraman
AIMS: To analyse the feasibility of laparoscopic radical nephrectomy (LRN) for renal tumours> 7 cm and to compare the operative and oncologic outcomes with open radical nephrectomy (ORN). SETTINGS AND DESIGN: This was a prospective, observational, comparative study. SUBJECTS AND METHODS: The study was conducted at a tertiary care super-speciality hospital. All the patients who underwent radical nephrectomy for> 7 cm renal tumours during a period of 2 years (April 2012 to May 2014) were included in the study...
March 23, 2018: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/29579821/experience-and-security-of-the-hand-assisted-laparoscopic-nephrectomy-of-a-living-donor-in-a-public-health-center
#11
L Garcia-Covarrubias, P Prieto-Olivares, A Bahena-Portillo, A Cicero-Lebrija, H Hinojosa-Heredia, L J Fernández-Lopez, C Almeida-Nieto, V J Visag-Castillo, J Carrión-Barrera, I Castro-Ñuco, E Pedraza-Rojas, A Rosas-Herrera, A García-Covarrubias, D Fernández-Angel, H S Diliz-Perez
BACKGROUND: Hand-assisted laparoscopic nephrectomy (HALDN) is currently the procedure of choice for obtaining living donor kidneys for transplantation. In our institution, it has been the standard procedure for 5 years. Previous studies have shown the same function of the graft as that obtained by open surgery, with a lower rate of bleeding and no differences in complications. We sought to demonstrate the experience and safety of HALDN compared with open donor nephrectomy in healthy donors for kidney transplantation...
March 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29566363/cardiac-specific-overexpression-of-silent-information-regulator-1-protects-against-heart-and-kidney-deterioration-in-cardiorenal-syndrome-via-inhibition-of-endoplasmic-reticulum-stress
#12
Dong Huang, Mei-Ling Yan, Kan-Kai Chen, Rong Sun, Zhi-Feng Dong, Peng-Long Wu, Shuai Li, Guang-Shuo Zhu, Shi-Xin Ma, Ye-Sheng Pan, Jing-Wei Pan, Wei Zhu, Jun Xu, Meng Wei, Jing-Bo Li
BACKGROUND/AIMS: Increased endoplasmic reticulum (ER) stress contributes to development of cardiorenal syndrome (CRS), and Silent Information Regulator 1 (SIRT1), a class III histone deacetylase, may have protective effects on heart and renal disease, by reducing ER stress. We aimed to determine if SIRT1 alleviates CRS through ER stress reduction. METHODS: Wild type mice (n=37), mice with cardiac-specific SIRT1 knockout (n=29), or overexpression (n=29), and corresponding controls, were randomized into four groups: sham MI (myocardial infarction) +sham STNx (subtotal nephrectomy); MI+sham STNx; sham MI+STNx; and MI+STNx...
March 21, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29560759/chromophobe-renal-cell-carcinoma-with-retrograde-venous-invasion-and-gain-of-chromosome-21-potential-harbingers-of-aggressive-clinical-behavior
#13
Mohsin Jamal, Kanika Taneja, Sohrab Arora, Ravi Barod, Craig G Rogers, Jessica Sanchez, Nilesh S Gupta, Sean R Williamson
Occasionally, renal cell carcinoma (RCC) with renal vein extension spreads against the flow of blood within vein branches into the kidney, forming multifocal nodules throughout the renal parenchyma. These foci are not regarded as multiple tumors but rather reverse spread of tumor along the venous system. This intravascular spread has previously been reported in clear cell RCC and RCC unclassified. However, to our knowledge, this has never been reported in chromophobe RCC. Chromophobe RCC is a unique histologic subtype of renal cancer, generally thought to have less aggressive behavior...
March 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29559046/partial-nephrectomy-for-nephroblastoma-a-national-cancer-data-base-review
#14
Morgan K Richards, Adam B Goldin, Peter F Ehrlich, Elizabeth A Beierle, John J Doski, Melanie Goldfarb, Monica Langer, Jed G Nuchtern, Sanjeev Vasudevan, Kenneth W Gow
Standard of care for unilateral nephroblastoma includes total nephrectomy (TN) with nodal sampling. We sought to compare the outcomes of TN and partial nephrectomy (PN). We performed a retrospective cohort study of TN and PN for nephroblastoma using the National Cancer Data Base. The outcomes included nodal sampling frequency, margin status, and survival. Categorical and continuous data were evaluated with χ2 and t tests, respectively (P < 0.05). Generalized linear models evaluated nodal sampling and margin status...
March 1, 2018: American Surgeon
https://www.readbyqxmd.com/read/29556868/nephrometry-score-matched-robotic-vs-laparoscopic-vs-open-partial-nephrectomy
#15
Pooya Banapour, George A Abdelsayed, Zoe Bider-Canfield, Peter A Elliott, Patrick S Kilday, Gary W Chien
To compare perioperative outcomes in the three most common partial nephrectomy modalities: robotic (RPN), laparoscopic (LPN), and open (OPN), matched for nephrometry scores. Patients aged 16-85 who underwent RPN, LPN, or OPN from 2007 to 2014 for localized renal carcinoma within our healthcare system were enrolled. Age, sex, body mass index, and Charlson Comorbidity Index (CCI) as well as perioperative outcomes of estimated blood loss (EBL), length of hospital stay (LOS), ischemia time (IT), change in eGFR, positive margin rate, operative time (OT), and emergency room visit rates were compared between RPN, LPN, and OPN using the R...
March 19, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29551485/the-perioperative-outcomes-between-renal-hilar-and-non-hilar-tumors-following-robotic-assisted-partial-nephrectomy-rapn
#16
Shih-Yen Lu, Hsiao-Jen Chung, Eric Yi-Hsiu Huang, Tzu-Pin Lin, Alex T L Lin
BACKGROUND: The aim of this study was to compare the perioperative outcomes between renal hilar tumors and non-hilar tumors after robotic-assisted partial nephrectomy (RAPN). METHODS: A retrospective review of consecutive patients who underwent RAPN from December 2009 to September 2015 at our institution was recruited. Perioperative outcomes including demographic characteristics, perioperative, pathological and renal function outcomes were compared between the hilar group (n = 30) and non-hilar group (n = 170)...
March 15, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29544585/post-pcnl-renal-artery-pseudoanurysm
#17
Safdar Shah, Abeer Fatima, Muhammad Danial Ali Shah, Wajid Ali, Irfan Ahmed Gorya, Fawad Nasrullah
A renal artery pseudoaneurysm is a rare but important complication that can occur after renal trauma, renal biopsy, percutaneous nephrostomy, percutaneous nephrolithotomy (PCNL), and partial nephrectomy. The incidence of this potentially life-threatening complication is less than 1%, but is likely to increase with the increasing popularity of endoscopic renal procedures. We present a case of a 30-year female who underwent right PCNL for a right renal pelvic stone. Two weeks later, she presented with massive hematuria...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29536667/fine-needle-aspiration-cytology-of-the-normal-kidney-a-cyto-histological-and-immunocytochemical-correlation-study
#18
José A Jiménez-Heffernan, Patricia Muñoz-Hernández, Alberto Canca Velasco, Alwalid Freih Fraih, Julián Cuesta, Pilar González-Peramato, Carlos Olivier-García, Blanca Vicandi
BACKGROUND: Differentiation between normal renal cellular structures and renal tumors can be a diagnostic challenge during fine needle aspiration. It is of particular relevance during percutaneous thermal ablation because of the small size of tumors and when performing rapid on-site evaluation. METHODS: A cyto-histological correlation study assisted by immunocytochemistry was performed. The study was based on 10 nephrectomy specimens. For the identification of proximal tubular cells we used CD10 and α-methylacyl coenzyme A racemase (AMACR)...
June 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29522868/tumor-contact-surface-area-as-a-predictor-of-functional-outcomes-after-standard-partial-nephrectomy-utility-and-limitations
#19
Chalairat Suk-Ouichai, Jitao Wu, Wen Dong, Hajime Tanaka, Yanbo Wang, J J H Zhang, Elvis Caraballo, Erick Remer, Jianbo Li, Sudhir Isharwal, Steven C Campbell
OBJECTIVE: To evaluate contact surface area (CSA) between the tumor and parenchyma as a predictor of ipsilateral parenchyma and function preserved after partial nephrectomy (PN). Previous studies suggested that CSA is a strong predictor of functional outcomes but the limitations of CSA have not been adequately explored. PATIENTS AND METHODS: Four hundred nineteen patients managed with standard PN for solitary tumor with necessary studies to evaluate and analyze ipsilateral preoperative or postoperative parenchymal mass and function...
March 6, 2018: Urology
https://www.readbyqxmd.com/read/29509095/delayed-metastasis-of-clear-cell-sarcoma-of-kidney-to-bladder-after-7-disease-free-years
#20
Adam Lang, Louis P Dehner
INTRODUCTION: Clear cell sarcoma of the kidney (CCSK) is childhood neoplasm with its own distinctive pattern of metastasis and may appear after a disease free interval of 5 years or more. MATERIALS AND METHODS: Histopathology and immunohistochemistry were available from the radical nephrectomy and the later partial cystectomy, which was performed after a seven disease-free interval. RESULTS: The pathologic features of the primary tumor were those of a classic CCSK with a monotypic pattern of uniform rounded to ovoid tumor cells with a background network of delicate blood vessels...
April 2018: Fetal and Pediatric Pathology
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