NeuroReport 21: 606-610

NeuroReport 21: 606-610 MDV3100 concentration (C) 2010 Wolters Kluwer Health | Lippincott Williams & Wilkins.”
“The occurrence of restless legs syndrome (RLS) in elderly individuals is well known but the incidence and the clinical correlates in these subjects are still unclear. The present study explores the prevalence of and assesses symptoms associated with RLS in an older French population.

The study sample for this study comprised 318 subjects (219 women and 99 men), aged 68.6 +/- 0.8 years. All subjects underwent clinical assessment, nocturnal polygraphy, and cognitive and mood disorders evaluation.

RLS was assessed with the standard validated criteria and severity was evaluated by the use of International Restless

Legs Syndrome Study Group (IRLS) questionnaire.

RLS was present in 24.2% of the sample, prevalence being greater in women (29.7%) than in men (12.1%). The mean IRLS score was 16.6 +/- 4.8, 67% of cases having mild to moderate range. Participants with RLS reported greater hypnotic (p < .001) and antidepressant medication intake (p < .001) and had higher anxiety (p < .001) and depression (p < .001) scores. Participants with RLS had lower cognitive performances at Stroop and Verbal fluency tests than participants without RLS (p < .05 and p = .002, respectively). These associations remained significant after multivariate adjustment for medication, depression, and subjective GSK1120212 sleep.

Presence of undiagnosed RLS is higher in healthy elderly participants

without previously diagnosed sleep disorders, affecting women more often than men. The presence of RLS increased the risk of anxiety and mood disorders and predispose to preclinical cognitive decline independently of anxiety, mood disorders, duration and quality of sleep, and medication.”
“Although microRNA (miRNA) is expressed extensively eltoprazine in the postnatal mouse inner ear, its expression in the sensory epithelium during embryogenesis has not been well characterized. We investigated miRNA expression at E13.5 and E16.5 by microarray analysis, quantitative real-time-PCR, and in-situ hybridization. MiRNA-182, miRNA-140, miRNA-200c, and others showed distinct temporal and spatial expression patterns. MiRNA-194, whose expression in zebrafish seems to play an important role in the differentiation of the intestinal epithelium, was also expressed in the spiral ganglia of the mouse inner ear, where it may play a similar role in neuronal differentiation. Our results indicate that miRNAs are widely expressed in the developing inner ear, with more species recruited as hair cells differentiate, suggesting an important developmental role. NeuroReport 21: 611-617 (C) 2010 Wolters Kluwer Health | Lippincott Williams & Wilkins.

The

aim of this study was to investigate the effects of B

The

aim of this study was to investigate the effects of BoNT/A on neuropathic pain. It was observed that BoNT/A is able to counteract neuropathic pain induced by chronic constriction injury (CCI) to the sciatic nerve both in mice and in rats. This effect is already present after a single intraplantar (i.pl.) or intrathecal (i.t.) neurotoxin administration that significantly reduces the sciatic nerve ligation-induced mechanical allodynia in mice Entinostat and rats and thermal hyperalgesia in rats. This effect was evident starting 24 h after the administration of BoNT/A and it was long-lasting, being present 81 or 25 days after i.pl. injection of the higher dose in mice (15 pg/paw) and rats (75 pg/paw), respectively, and 35 days after it. injection in rats (75 pg/rat). Moreover, BoNT/A-injected mice showed a quicker recovery of the walking pattern and weight 8-Bromo-cAMP molecular weight bearing compared to control groups. The behavioral improvement was accompanied by structural modifications, as revealed by the expression of cell division cycle 2 (Cdc2) and growth associated protein 43 (GAP-43) regeneration associated proteins, investigated by immunofluorescence and Western blotting in the sciatic nerve, and by the immunofluorescence expression of S100 beta and glial fibrillary acidic protein (GFAP) Schwann cells proteins. In conclusion, the present research demonstrate long-lasting anti-allodynic

and anti-hyperalgesic effects of BoNT/A in animal models of neuropathic pain together with an acceleration of regenerative processes in the injured nerve, as evidenced by both behavioral and immunohistochemistry/blotting analysis. These results may have important implications in the therapy of neuropathic pain. (C) 2010 IBRO. Published by Elsevier Ltd. All

Cobimetinib price rights reserved.”
“Purpose: CD44v6 is a cell surface protein involved in cell migration, cell adhesion, tumor progression and metastatic spread. We evaluated its role as a molecular marker for urothelial bladder cancer.

Materials and Methods: A tissue microarray was constructed containing 410 primary urothelial bladder cancers, each in triplicate. Immunohistochemical staining was done with a commercially available antibody. The percent of tumor cells staining positive for CD44v6 was evaluated and we assessed associations with stage, grade and survival.

Results: CD44v6 expression was higher in noninvasive (Ta, Tis) vs invasive (T1-T4) tumors (p <0.001). It decreased with increasing grade (p <0.001). In patients who underwent transurethral bladder resection absent CD44v6 expression was associated with a 2.3-fold increased risk of recurrence (95% CI 1.28 to 4.08). Median time to recurrence for tumors with vs without CD44v6 expression was 23 vs 9 months (p = 0.003). In a multivariate Cox model absent CD44 expression was an independent adverse prognostic factor for tumor recurrence (HR 2.33, p = 0.006). In cystectomy cases median overall survival for CD44v6 nonexpression vs expression was 30 vs 75 months (p = 0.

These findings demonstrate that an acute exposure to COREXIT EC95

These findings demonstrate that an acute exposure to COREXIT EC9500A exerts transient effects on cardiovascular and peripheral vascular functions.”
“Consequent to the 2010 Deepwater Horizon oil spill

in the Gulf of Mexico, there is an emergent https://www.selleckchem.com/products/p5091-p005091.html concern about the short-and long-term adverse health effects of exposure to crude oil, weathered-oil products, and oil dispersants among the workforce employed to contain and clean up the spill. Oil dispersants typically comprise of a mixture of solvents and surfactants that break down floating oil to micrometer-sized droplets within the water column, thus preventing it from reaching the shorelines. As dispersants are generally sprayed from the air, workers are at risk for exposure primarily via inhalation. Such inhaled fractions might potentially permeate or translocate to the brain via olfactory or systemic circulation, producing central nervous system (CNS) abnormalities. To determine whether oil dispersants pose a neurological risk, male Sprague-Dawley rats were exposed by whole-body SB431542 inhalation exposure to a model oil dispersant, COREXIT EC9500A (CE; approximately 27 mg/m(3) x 5 h/d x 1 d), and various molecular indices of neural dysfunction were evaluated in discrete brain areas, at 1 or 7 d postexposure. Exposure to CE produced

partial loss of olfactory marker protein in the olfactory bulb. CE also reduced tyrosine hydroxylase protein content in the striatum. Further, CE altered the levels of various synaptic and neuronal intermediate filament proteins in specific brain areas. Reactive astrogliosis, as evidenced by increased expression of glial fibrillary acidic protein, was observed in the hippocampus and frontal cortex following exposure to CE. Collectively, these findings are suggestive of disruptions in olfactory signal transduction, axonal

function, and synaptic vesicle fusion, events that potentially result in an imbalance in neurotransmitter signaling. Whether such acute molecular aberrations might persist and produce chronic neurological deficits remains to be ascertained.”
“Workers involved in the Deepwater Horizon oil spill cleanup efforts reported acute pulmonary and dermatological adverse health effects. These studies were undertaken to assess the immunotoxicity HSP90 of COREXIT 9500A, the primary dispersant used in cleanup efforts, as a potential causative agent. COREXIT 9500A and one of its active ingredients, dioctyl sodium sulfosuccinate (DSS), were evaluated using murine models for hypersensitivity and immune suppression, including the local lymph node assay (LLNA), phenotypic analysis of draining lymph node cells (DLN), mouse ear swelling test (MEST), total serum immunoglobulin E (IgE), and the plaque-forming cell (PFC) assay. Dermal exposure to COREXIT 9500A and DSS induced dose-responsive increases in dermal irritation and lymphocyte proliferation. The EC3 values for COREXIT 9500A and DSS were 0.4% and 3.

8% +/- 5 3% to 25 8% +/- 7 5%, p < 01) The difference in the

8% +/- 5.3% to 25.8% +/- 7.5%, p < .01). The difference in the proportions of Fluo-3(low) cells in aged LDCs was smaller than that in young LDCs (p < .05). These data showed that LDCs from aged mice exhibited multidrug resistance ISRIB ic50 protein 1- and multidrug resistance-associated protein 1-mediated efflux and that the age-associated changes differed according to transporters.”
“Almost since the beginning of research on Tourette syndrome (TS), tics have been linked to a dysfunction of the dopamine (DA) system. At first, this assumption was

mainly based on clinical findings of DA antagonists being the most effective drug in treating tics, but in recent years nuclear imaging has enabled a much deeper understanding of DA neurotransmission

in TS. Based on the findings of various PET and SPECT studies the first part of the review discusses four hypotheses on DA dysfunctions in TS: (i) DA hyper-innervation, (ii) supersensitive DA receptors, (iii) pre-synaptic DA abnormality and (iv) DA tonic-phasic dysfunction. According to the latter hypothesis, reduced levels of tonic DA in the extracellular space lead to higher concentrations of DA in the axon terminal and an increase of stimulus-dependent DA release. The second part of the review addresses the modulating role of DA in some major clinical features of TS, like the exacerbation with stress Nec-1s mw or infection and the association with deficient sensorimotor gating. (C) 2012 Elsevier Ltd. All rights reserved.”
“Although depressive symptoms in older adults are common, their

relationship with disability this website and the influence of disability on the development of depressive symptoms over time is not well understood. This longitudinal study investigates the change trajectories of both depressive symptoms and disability, as well as their associations over time.

Participants included 442 community-dwelling older adults living in Taiwan, aged 65 years or older, who completed six waves of survey interviews. Depression was scored with the Short Psychiatric Evaluation Schedule and disability with the instrumental and physical activities of daily living measure during each consecutive data collection wave. The autoregressive latent trajectory model and parallel latent growth curve modeling were adopted for analysis of the data.

The autoregressive latent trajectory model highlights that previous depressive symptoms (and disability) significantly contributed to the advancement of more severe depressive symptoms (and disability). This model also indicates that disability significantly contributed to the onset of depressive symptoms and vice versa. The parallel latent growth curve modeling highlights that the disability intercept had significant effects on the depressive symptoms intercept, as did the depressive symptoms on disability. Furthermore, the disability slope had significant effects on the slope of the depressive symptoms.

At 6 months, there was an

increase of 4 3% in the FEV1 in

At 6 months, there was an

increase of 4.3% in the FEV1 in the EBV group (an increase of 1.0 percentage point in the percent of the predicted value), as compared with a decrease of 2.5% in the control group (a decrease of 0.9 percentage point in the percent of the predicted value). Thus, there was a mean between-group difference of 6.8% in the FEV1 (P = 0.005). Roughly similar between-group differences were observed for the 6-minute walk test. At 12 months, the rate of the complications composite was 10.3% in the EBV group versus 4.6% in the control group (P = 0.17). At 90 days, in the EBV group, as compared with the control group, there were increased rates of exacerbation Y-27632 in vitro NCT-501 clinical trial of chronic obstructive pulmonary disease (COPD) requiring hospitalization (7.9% vs. 1.1%, P = 0.03) and hemoptysis (6.1% vs. 0%, P = 0.01). The rate of pneumonia in the target lobe in the EBV group was 4.2% at 12 months. Greater radiographic evidence of emphysema heterogeneity and fissure completeness was associated with an enhanced response to treatment.

CONCLUSIONS

Endobronchial-valve treatment for advanced heterogeneous emphysema induced modest improvements in lung function, exercise tolerance, and symptoms at the cost of more frequent exacerbations of COPD, pneumonia, and hemoptysis after implantation.”
“In

this study we present a competition model between a non-chelator (e.g. pathogen) microorganism and an iron chelator microorganism (e.g. Pseudomonas fluorescens). This latter is a beneficial bacteria that can inhibit the growth of the non-chelator through its iron chelating capability. This phenomena of iron chelation is shown to prevent the pathogen from proliferating to numbers capable of causing disease. A mathematical model is formulated and used to study this competition.

The model proposes a new and simple conceptual explanation of interactions. It is a nonlinear system of ordinary differential equations. A qualitative analysis of the model for the batch case (no inflow or outflow from the system) is carried out and the global Epothilone B (EPO906, Patupilone) behavior of the model variables is studied. For the chemostat case, the equilibrium points were derived and their stability was performed through extensive numerical simulations. It is found that iron chelation is able to control the non-chelator microorganism growth under a wide range of conditions. (C) 2009 Elsevier Ltd. All rights reserved.”
“BACKGROUND

Studies have shown that telephone interventions designed to promote patients’ self-management skills and improve patient-physician communication can increase patients’ satisfaction and their use of preventive services. The effect of such a strategy on health care costs remains controversial.

After we controlled for level differences, a differential pattern

After we controlled for level differences, a differential pattern

of individual differences in change appeared for the three dimensions: Age contributed to a greater decline in aging satisfaction but an increase in the discrepancy of felt age. A higher number or illnesses at baseline attenuated change in felt age discrepancy. Future research on change of self-perceptions or aging will provide insight into mechanisms of resilience of the aging self in later life.”
“Parkinson’s disease is a neurodegenerative disorder characterized by progressive degeneration of dopaminergic neurons in the substantia nigra. Accumulating evidence has Suggested that inflammation in the brain participates in the pathogenesis of Parkinson’s disease. Luteolin, a polyphenolic compound found in foods of

plant origin. belongs to the flavone subclass of flavonoids, buy BAY 11-7082 and has been shown to possess antimutagenic, antitumorigenic, antioxidant and antiinflammatory properties. In this study, we found that luteolin concentration-dependently attenuated selleck products the lipopolysaccharide (LPS)-induced decrease in [(3)H]dopamine uptake and loss of tyrosine hydroxylase-immunoreactive neurons in primary mesencephalic neuron-glia cultures. Moreover, luteolin also significantly inhibited LPS-induced activation of microglia and excessive production of tumor necrosis factor-alpha, nitric oxide and superoxide in mesencephalic neuron-glia cultures and microglia-enriched cultures. Our results demonstrate that luteolin may protect dopaminergic neurons from LPS-induced injury and its efficiency in inhibiting microglia

activation may underlie the mechanism. (C) 2008 Elsevier Ireland Ltd. All rights reserved.”
“We investigated associations between personality and health cognitions and behaviors related to preparation for future care among 355 Selleckchem Gemcitabine primary care patients who were 65 years of age and older. Path analyses examined the effects of the personality traits of neuroticism, extraversion, (openness to experience, agreeableness, and conscientiousness on health cognitions about future care (avoidance, awareness), health-planning behaviors (gathering information, decision making, and planning), and belief’s about planning, while covarying age, gender, education, medical burden, functional status, and depression-symptom severity. Higher levels of neuroticism. openness, and agreeableness were associated with greater awareness of care needs; higher openness was also associated with more gathering of information and less avoidance. Extraversion and conscientiousness were not related to future-oriented health cognitions. Depression was inversely associated with the gathering of information. Age and education were related to more positive beliefs about the planning.

The aim of the study was to compare hypotensive effects of aliski

The aim of the study was to compare hypotensive effects of aliskiren and ramipril and their influence on serum potassium and inflammatory parameters in hypertensive peritoneal dialysis patients. Eighteen hypertensive patients on chronic peritoneal dialysis were enrolled in an open-label comparative fixed-order study. The

patients had been off RAAS blocking drugs for >= 4 weeks prior to an inclusion. At each of 3 study visits (baseline and after each of the treatment periods) blood pressure, BIBF-1120 serum lipids, potassium, renin, aldosterone, C-reactive protein (CRP) and monocyte chemotactic protein-1 (MCP-1) were measured. After the baseline visit aliskiren was started (150 mg/d) and after 12 weeks replaced with ramipril (5 mg/d) for the next 12 weeks. Blood pressure was 142/88 +/- 15/11 mmHg at baseline, 137/84 +/- 10/8 mmHg after aliskiren (ns) and 126/81 +/- 11/7 mmHg after ramipril (p<0.05 vs baseline and aliskiren). No incidents of hyperkalemia were observed.

Plasma renin concentration increased significantly see more during aliskiren treatment compared to ramipril (227,6 +/- 844 vs 58,3 +/- 765 pg/mL). CRP was similar after both therapies (8,8 +/- 34 vs 8,4 +/- 32 mu g/mL) but MCP-1 concentration was significantly lower after aliskiren than after ramipril (294,0 +/- 172,6 vs 358,9 +/- 83,3 pg/mL). Aliskiren 150 mg/day decreases blood pressure less Sitaxentan effectively than ramipril 5 mg/day in peritoneal dialysis patients. It does not influence serum potassium. The decrease of MCP-1 concentration after aliskiren treatment may provide an indirect evidence for its blood pressure independent cardioprotective and anti-inflammatory effects. Copyright (C) 2012 S. Karger AG, Basel”
“This study was designed to explore whether the basal adrenocortical activity is related with pain-retated coping, nonverbal pain behavior, depressive mood, and fatigue in patients with acute and chronic nonspecific low back pain.

19 patients with acute low back pain (ALBP)

and 24 with chronic low back pain (CLBP) participated in the study. The adrenocortical activity was assessed through the cortisol awakening response. All participants provided five saliva samples (0, 15, 30, 45, and 60 min after waking) on two consecutive days off work. Pain-related coping [fear-avoidance coping (FAC) and endurance coping (EC)], nonverbal pain behavior (NPB), depressive mood, and fatigue were assessed through questionnaires.

Among ALPB patients, EC was negatively associated with the cortisol release, whereas fatigue was positively associated with it. Among CLBP patients, FAC, NPB, depressive mood, and fatigue were negatively associated with the cortisol awakening response, whereas EC tended to be positively associated with it.

2-fold; P < 01) Consistently, the protein levels of type I a

2-fold; P < .01). Consistently, the protein levels of type I and

III collagens and matrix metalloproteinase-2 in the dissected media were raised by 4.6-, 4.0-, and 3.7-fold, respectively (P < .01 for all). Collagen deposition was correspondingly increased and elastic fibers were decreased and disrupted.

Conclusions: Smooth muscle cells in the dissected media exhibit phenotypic switching from the contractile to the synthetic type. The synthetic smooth muscle cells increase collagen synthesis and matrix metalloproteinase-2 production, both of https://www.selleckchem.com/products/entrectinib-rxdx-101.html which can promote collagen deposition and elastin degradation in thoracic aortic dissection. (J Vasc Surg 2012;56:1698-709.)”
“Production of correctly folded and biologically active proteins in Escherichia coli can be a challenging process Frequently proteins are recovered as insoluble inclusion bodies and need to be denatured and refolded Into the correct structure To address this a refolding screening process based on a 96-well assay format supported by design of experiments (DOE) was developed for identification of optimal refolding conditions this website After a first generic screen of 96 different refolding conditions the parameters that produced the best yield were further explored in a focused DOE-based screen The refolding efficiency and the quality of the refolded protein were analyzed by RP-HPLC and SDS-PAGE The results selleck products were

analyzed by the DOE software to identify the optimal concentrations of the critical additives The optimal refolding conditions suggested by DOE were verified in medium-scale refolding tests which confirmed the reliability of the predictions Finally the refolded protein was purified and its biological activity was tested in vitro The screen was applied for the refolding of Interleukin 17F (IL-17F) stromal-cell-derived factor-1 (SDF1 alpha/CXCL12) B cell-attracting chemokine 1 (BCA-1/CXCL13) granulocyte macrophage colony stimulating factor (GM-CSF) and the complement factor C5a This procedure

identified refolding conditions for all the tested proteins For the proteins where refolding conditions were already available the optimized conditions identified in the screening process increased the yields between 50% and 100% Thus the method described herein is a useful tool to determine the feasibility of refolding and to identify high-yield scalable refolding conditions optimized for each individual protein (C) 2010 Elsevier Inc All rights reserved”
“A growing body of literature in vascular surgery demonstrates disparities in the type of health care that racial/ethnic minorities receive in the United States. Numerous recommendations, including those of the Institute of Medicine, have been set forth, which identify increasing the number of minority health professionals as a key strategy to eliminating health disparities.

7 or greater and postoperative ratio of less than 2 7 was signifi

7 or greater and postoperative ratio of less than 2.7 was significantly lower than that for those with a preoperative and postoperative ratio of 2.7 or greater (52.0%

vs 83.5%, p = 0.0487). The latter was similar to the 83.7% for patients with a preoperative ratio of less than 2.7. In patients with recurrence the ratio at recurrence was significantly increased compared with the postoperative ratio (mean +/- SD 2.82 +/- 1.63 vs 2.00 +/- 0.90, p = 0.0090). Multivariate analysis showed that tumor A-1210477 clinical trial size, pathological tumor stage and the neutrophil-to-lymphocyte ratio change (a combination of the preoperative and postoperative ratios) were independent predictors of recurrence. Using these 3 significant variables patients were stratified into low, intermediate and high risk groups, among which the recurrence-free survival rate significantly differed.

Conclusions:

The posttreatment neutrophil-to-lymphocyte ratio change was a significant prognostic factor for recurrence as well as tumor size and pathological tumor stage in patients with clear cell renal cell carcinoma.”
“Self-injurious behaviours (SIB) can provide useful criteria for subtyping VX-661 molecular weight heroin-dependent patients, since SIB have been related to an opioid system dysfunction and they hinder patient management. The frequency of nine varieties of moderate/superficial SIB during active heroin use was assessed retrospectively in 164 heroin-dependent patients. A principal component analysis of SIB episodes revealed a four-component solution which accounted for 69.3% of the variance. The components were named as follows (percentage of Pembrolizumab clinical trial variance explained by each component is enclosed in parentheses): ‘SIB with objects’ (27.3%), ‘SIB by biting/scratching/hairpulling’ (18.2%), ‘SIB by hitting’ (12.3%), and ‘SIB by picking scabs’ (11.5%). A cluster analysis using the results of the principal component analysis enabled us to define three types of heroin-dependent patients, labelled: ‘low-occurrence SIB cluster’ (59.8%), ‘high-occurrence scab-picking cluster’ (31.7%) and ‘high-occurrence hitting and cutting cluster’ (8.5%). SIB by hitting

was the most discriminatory component among clusters: its frequency was at a minimum in the low-occurrence SIB cluster, and attained a maximum in the high-occurrence hitting and cutting cluster. However, there were no differences among clusters regarding heroin-use variables. Patients from the low-occurrence SIB cluster, compared with those from the other two clusters, reported fewer episodes of SIB or suicide attempts and were diagnosed less frequently with bulimia. Patients from the high-occurrence scab-picking cluster had a very frequent history of these SIB, while the opposite was true in patients from the high-occurrence hitting and cutting cluster. Patients from this cluster probably presented staff members with the main management problems. (C) 2008 Elsevier Ireland Ltd. All rights reserved.

Altogether, these findings identify both PR and GABA(A) receptors

Altogether, these findings identify both PR and GABA(A) receptors as important targets for neuroprotection by progestagens after

spinal cord injury. (C) 2013 Elsevier Ltd. All rights reserved.”
“The current study examined the effect of the noncompetitive N-methyl-d-aspartate (NMDA) receptor antagonist (+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine maleate (MK-801) on the extinction of food-based operant responding.

Experiments were carried out to determine (1) the nature of the elevated responding when rats were under the influence of MK-801, (2) the effect of combined and separate D1- and D2-like dopaminergic antagonists (SCH 23390 and haloperidol) on this MK-801-induced behavioral effect and click here (3) the neural correlates on and off MK-801 using immunohistochemical localization ABT-737 of the phosphorylated forms of the extracellular signal-regulated kinase-1 and -2.

Male

Long Evans rats were trained using operant conditioning procedures then treated with the various compounds, and resultant extinction pressing was measured.

A moderate dose (0.1 mg/kg) of MK-801 produced a persistent, elevated lever pressing throughout the entire 30-min extinction session. When animals were pretreated with combined or separate dopamine (DA) D1- or D2-like receptor antagonists, extinction responding under MK-801 was significantly reduced. Examination of pERK1/2 labeling in MK-801-treated animals showed reduced staining in the infralimbic and piriform cortices and elevated staining in the nucleus accumbens compared with controls.

These data show that MK-801 elevates food-based extinction behavior that can be reduced by DA receptor antagonists. The disrupted extinction behavior may be mediated, in part, by disinhibition of corticostriatal circuits.”
“Purpose: Nephron sparing surgery is accepted as standard of care for children with bilateral Wilms tumor or Wilms tumor in a solitary kidney and some study protocols allow nephron sparing surgery in select cases of unilateral Wilms tumor. With

the increasing use of nephron sparing surgery in Wilms tumor, we reviewed pathological features from Wilms tumor MTMR9 radical nephrectomy specimens to determine the potential efficacy of a nephron sparing approach.

Materials and Methods: Medical records of children undergoing pre-chemotherapy radical nephrectomy for unilateral Wilms tumor at our institution were reviewed. Ideal candidates for nephron sparing surgery were defined as those having a unifocal mass outside the renal hilum, sparing a third or more of the kidney, favorable histology, no signs of renal sinus or segmental vascular invasion, no metastatic lymph nodes or gross regional disease, and a distinct interface on pathological review between tumor and remaining parenchyma.

Results: A total of 78 children at a median age of 3.2 years (range 0.3 to 16.