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solitary kidney

Takamitsu Inoue, Jun Miyazaki, Daishi Ichioka, Shintaro Narita, Susumu Kageyama, Mikio Sugimoto, Koji Mitsuzuka, Yusuke Shiraishi, Hidefumi Kinoshita, Hironobu Wakeda, Takeshi Nomoto, Eiji Kikuchi, Yoshiyuki Matsui, Keiko Fujie, Tomonori Habuchi, Hiroyuki Nishiyama
BACKGROUND: To compare the prevalence of nephrotoxicity between patients with a solitary-functioning kidney versus those with bilateral-functioning kidneys during the administration of cisplatin-based chemotherapy for advanced urothelial carcinoma. METHODS: We retrospectively analyzed 244 advanced urothelial carcinoma patients treated with cisplatin-based chemotherapy between 2004 and 2010 at 17 institutes in Japan. The 24 h creatinine clearance, Cockcroft-Gault formula, and estimated glomerular filtration rate equation (eGFR), were compared before all chemotherapies...
March 14, 2018: BMC Cancer
Nicole A Pilch, Vinayak Rohan, Vinaya Rao, Patrick D Mauldin, Zemin Su, Derek A Dubay, Thomas A Morinelli, David J Taber
BACKGROUND: Several studies have been performed to evaluate surrogate markers of long-term allograft function in renal transplant recipients. These include serum creatinine, estimated glomerular filtration rate (eGFR), slope of eGFR, and more recently eGFR variability. The aim of this study was to measure eGFR slope while assessing the variability of this slope and if high variability occurring at any time post-transplant was predictive of poorer long-term outcomes in a large cohort of kidney transplant recipients...
March 14, 2018: American Journal of Nephrology
Andrew J Cole, Reginald W Johnson, Leonard E Egede, Prabhakar K Baliga, David J Taber
There is a lack of data analyzing the influence of cardiovascular disease (CVD) risk factor control on graft survival disparities in African-American kidney transplant recipients. Studies in the general population indicate that CVD risk factor control is poor in African-Americans, leading to higher rates of renal failure and major acute cardiovascular events. However, with the exception of hypertension, there is no data demonstrating similar results within transplant recipients. Recent analyses conducted by our investigator group indicate that CVD risk factors, especially diabetes, are poorly controlled in African-American recipients, which likely impacts graft loss...
March 2018: Contemporary Clinical Trials Communications
Ran Nagar, Sharon Perlman, Or Yariv, Zvi Kivilevich, Benjamin Dekel, Reuven Achiron, Yinon Gilboa
BACKGROUND: Sonographic assessment of the fetal kidneys is an integral part of the prenatal anatomical survey. OBJECTIVES: To evaluate the fetal renal to abdominal (RTA) ratio throughout pregnancy and to investigate whether this ratio can be a potential diagnostic landmark for congenital anomalies of the kidney and urinary tract (CAKUT). METHODS: Measurements of the anterior-posterior diameters of the fetal kidney and fetal abdomen (APAD) were obtained prospectively...
March 2018: Israel Medical Association Journal: IMAJ
Michael Auld, Andrew Keller
A 77-year-old man presented with watery, bloody diarrhoea, symptomatic anaemia and signs of sepsis. He was well known to our unit with a history of extensive low-grade urothelial carcinoma involving a solitary kidney. CT performed on admission demonstrated a new finding of renocolic fistula. Due to his multiple medical and surgical comorbidities conservative management was elected. He passed away after 1 year of follow-up.
March 9, 2018: BMJ Case Reports
Saeed Dabestani, Christian Beisland, Grant D Stewart, Karim Bensalah, Eirikur Gudmundsson, Thomas B Lam, William Gietzmann, Paimaun Zakikhani, Lorenzo Marconi, Sergio Fernandéz-Pello, Serenella Monagas, Samuel P Williams, Christian Torbrand, Thomas Powles, Erik Van Werkhoven, Richard Meijer, Alessandro Volpe, Michael Staehler, Börje Ljungberg, Axel Bex
BACKGROUND: Optimal follow-up (FU) strategy to detect potentially curable (PC) recurrences after treatment of localised clear cell renal cell carcinoma (ccRCC) is unclear. This study retrospectively analysed a large international database to determine recurrence patterns and overall survival (OS), as part of a wider project to issue recommendations on FU protocols. OBJECTIVE: To analyse associations between RCC recurrences in patients with ccRCC, their risk group stratifications, treatments, and subsequent outcomes...
March 7, 2018: European Urology Focus
Hjalmar R Bouma, Hubert E Mungroop, A Fred de Geus, Daniel D Huisman, Maarten W N Nijsten, Massimo A Mariani, Thomas W L Scheeren, Johannes G M Burgerhof, Robert H Henning, Anne H Epema
BACKGROUND: Perioperative acute kidney injury (AKI) is an important predictor of long-term all-cause mortality after coronary artery bypass (CABG). However, the effect of AKI on long-term mortality after cardiac valve operations is hitherto undocumented. METHODS: Perioperative renal injury and long-term all-cause mortality after valve operations were studied in a prospective cohort of patients undergoing solitary valve operations (n=2,806) or valve operations combined with CABG (n=1,260) with up to 18 years of follow-up...
March 1, 2018: Annals of Thoracic Surgery
Asha Shenoy, Shruti Shribhagwan Singhal, Sweety Shinde
Juvenile xanthogranuloma (JXG) is a benign, non-Langerhans cell histiocytic proliferative disorder. We report a case of solitary JXG in an infant presenting as an intraspinal mass. Awareness of this mode of presentation is very important as subsequent prognosis differs from other tumors at the same location. JXG is a self-limiting dermatologic disorder usually occurring in first two decades of life. On rare occasion, it has been reported at extra-cutaneous sites such as central nervous system (CNS), eyes, liver, spleen, lungs and kidneys, and in other age groups...
January 2018: Asian Journal of Neurosurgery
Firas G Petros, Michael J Metcalfe, Kai-Jie Yu, Sarp K Keskin, Bryan M Fellman, Courtney M Chang, Cindy Gu, Pheroze Tamboli, Surena F Matin, Jose A Karam, Christopher G Wood
PURPOSE: To evaluate oncologic outcomes and management of patients with microscopic positive surgical margin (PSM) after partial nephrectomy (PN) for renal cell carcinoma (RCC). METHODS: We reviewed our database to identify patients who underwent PN between 1990 and 2015 for RCC and had PSM on final pathology. A 1:3 matching was performed to a negative surgical margin (NSM) cohort. Kaplan-Meier method and log-rank test were used to estimate survival and differences in outcomes, respectively...
February 27, 2018: World Journal of Urology
Hirotaka Horiguchi, Takahiro Yoneyama, Shingo Hatakeyama, Noriko Tokui, Tendo Sato, Naoki Fujita, Hayato Yamamoto, Yuki Tobisawa, Tohru Yoneyama, Yasuhiro Hashimoto, Takuya Koie, Kazuaki Yoshikawa, Satoshi Narita, Toshiaki Kawaguchi, Chikara Ohyama
The clinical benefits of bacillus Calmette-Guérin (BCG) therapy for the management of upper urinary tract carcinoma in situ (CIS) remain unclear. We aimed to compare the efficacy and safety of BCG therapy for upper urinary tract CIS with those of radical nephroureterectomy (RNU). Of 490 patients with upper urinary tract carcinoma, we retrospectively reviewed the post-treatment course of 58 patients with upper urinary tract CIS who underwent either RNU (RNU group) or BCG therapy (BCG group). Efficacy and safety were compared between the RNU and BCG groups...
February 26, 2018: Medical Oncology
Yu Zhang, Yue Wu, Jiuzhi Li, Guofei Zhang
PURPOSE: This study aims to compare percutaneous nephrolithotomy (PCNL) and retrograde intrarenal surgery (RIRS) for the treatment of lower calyceal calculi with diameter of 2 to 3 cm in patients with solitary kidney. METHODS: We retrospectively analyzed 76 cases of calculi in solitary kidney from three medical centers in China between April 2013 and October 2016. Among them, 42 cases underwent PCNL, and 34 cases underwent RIRS. RESULTS: The operation time of the PCNL group (82...
February 22, 2018: Urology
R M Hanna, M Kamgar, H Hasnain, R Khorsan, A Nsair, F Kaldas, A Baas, S Bunnapradist, J M Wilson
We report a case of successful combined heart liver transplant in a patient with a congenital solitary kidney. The patient had normal renal function before combined heart-liver transplantation and developed acute kidney injury requiring slow continuous dialysis and subsequent intermittent dialysis for almost 8 weeks post transplantation. Her renal function recovered and she remains off dialysis now 7 months post transplantation. She only currently has mild chronic renal insufficiency. We believe this is the first reported case of successful heart liver transplant in a patient with a congenital solitary kidney...
February 16, 2018: Transplantation Proceedings
Alessandro Tamburrini, Aurelio Majorino, Simon Duggan, Sanjay Jogai, Aiman Alzetani
Development of distant metastases from renal cell carcinoma (RCC) is a frequent occurrence and, in nearly 95% of the cases, secondary lesions present within 5 years following nephrectomy. We performed a left pneumonectomy for a peri-hilar lung mass in an 81-year-old man with history of kidney cancer, resected 37 years earlier. Histopathological examination revealed a solitary lung metastasis from RCC, relapsed after an extraordinary 37-year time interval. To the best of our knowledge, this remarkable case represents the longest time interval between radical nephrectomy for RCC and the occurrence of a pulmonary metastasis...
October 2017: Journal of Surgical Case Reports
Adarsh S Manjunath, Matthias D Hofer
Urologic emergencies can involve the kidneys, ureters, bladder, urethra, penis, scrotum, or testicles. History and physical examination are essential to diagnosis, whereas imaging is increasingly used to confirm diagnoses. Acute urinary retention should be relieved with Foley placement. Penile emergencies include paraphimosis, which can be treated by foreskin reduction, whereas penile fracture and priapism require urologic intervention. Fournier gangrene and testicular torsion are scrotal emergencies requiring emergent surgery...
March 2018: Medical Clinics of North America
Atsushi Miyamoto, Naoki Hama, Sakae Maeda, Mamoru Uemura, Takuya Hamakawa, Masakazu Miyake, Kazuhiro Nishikawa, Michihiko Miyazaki, Takeshi Kato, Motohiro Hirao, Mitsugu Sekimoto, Shoji Nakamori
We report a case of peritoneal metastasis of bile duct cancer that was successfully treated by surgical resection. A 70s man underwent pancreatoduodenectomy(PD)for bile duct cancer, and abdominal CT revealed a tumor in the peritoneum along the right kidney at 55 months after PD. As FDG uptake was seen at the lesion on PET-CT, he was diagnosed as recurrence of bile duct cancer or primary malignant tumor in the retroperitoneum. Because the tumor was solitary on CT and PET-CT, we conducted surgical resection of the tumor...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Gianluigi Ardissino, Francesca Tel, Ilaria Possenti, Mariangela Pavesi, Michela Perrone, Giulia Forni, Patrizia Salice, Lorenzo Colombo, Stefano Ghirardello, Bianca Castiglione, Dario Consonni, Laura Baca, Daniela Li Vecchi, Giancarlo la Marca, Fabio Mosca
It is well known that the nephron endowment of healthy subjects is highly variable and that individual nephron mass has potentially important implications both in health and disease. However, nephron count is technically impossible in living subjects. Based on the observation of an increase in serum creatinine (sCr) in otherwise healthy newborns with solitary kidney during the physiological perinatal dehydration, we hypothesized that perinatal sCr might be helpful in identifying healthy subjects with a reduced nephron mass...
February 1, 2018: European Journal of Pediatrics
Baris U Agar, James A Sloand
BACKGROUND: Incremental dialysis utilizes gradually increasing dialysis doses in response to declines in residual kidney function, and it is the preferred renal replacement therapy for patients who have just transitioned to end-stage renal disease (ESRD). Incremental peritoneal dialysis (PD) may impose fewer restrictions on patients' lifestyle, help attenuate lifetime peritoneal and systemic exposure to glucose and its degradation products, and minimize connections that could compromise the sterile fluid path...
January 31, 2018: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
L D Arustamov, M I Katibov, D S Merinov, Sh Sh Gurbanov, A V Artemov, V A Epishov
RELEVANCE: Management of patients with large and staghorn stones of a solitary kidney is widely debated among urologists and has not been sufficiently investigated, which determined the relevance of this study. MATERIALS AND METHODS: The study comprised 80 patients with large (>20 mm) and staghorn stones of an anatomically or functionally solitary kidney. Of them, 58 patients underwent percutaneous nephrolithotripsy (PNL), and 22 had open surgery. The criterion of the treatment effectiveness was the complete stone clearance or small residual fragments sized less than 3 mm...
December 2017: Urologii︠a︡
Roxana Cleper
Solitary functioning kidney (SFK) occurs with unilateral renal agenesis (URA) in 1/2000 live births - or after uninephrectomy for tumor, trauma, uncontrolled infections or hypertension and post-kidney donation. URA-associated states include urological, cardiac, gastrointestinal and skeletal anomalies or it might be a component of a genetic syndrome. In 10% of cases of URA another family member is affected. In any case of SFK a compensatory process is triggered consisting of glomerular hypertension with hyperfiltration which achieves 75% of two kidneys' function...
January 2018: Harefuah
Byung Sup Kim, Yuil Kim, Doo-Sik Kong, Do-Hyun Nam, Jung-Il Lee, Yeon-Lim Suh, Ho Jun Seol
OBJECTIVE The authors conducted this retrospective study to investigate the clinical outcomes of intracranial solitary fibrous tumor (SFT) and hemangiopericytoma (HPC), defined according to the 2016 WHO classification of central nervous system (CNS) tumors. METHODS Histopathologically proven intracranial SFT and HPC cases treated in the period from June 1996 to September 2014 were retrospectively reviewed and analyzed. Two neuropathologists reviewed pathological slides and regraded the specimens according to the 2016 WHO classification...
January 26, 2018: Journal of Neurosurgery
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