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1.
Meera Gupta Ranjeeta Bahirwani Matthew H. Levine Saloni Malik David Goldberg K. Rajender Reddy Abraham Shaked 《Pediatric transplantation》2015,19(2):153-163
HCV may lead to the development of ESLD in late childhood and, consequently, contributes to the need for liver transplantation. The aim of this study was to examine post‐transplant outcomes in HCV‐positive pediatric patients with ESLD from any cause and to determine the impact of the PELD scoring system, introduced in February 2002, on post‐transplant patient and graft survival. A retrospective analysis of the UNOS database from 1994 to 2010 was performed to assess graft and patient survival in pediatric HCV‐seropositive liver transplant recipients. Graft survival and patient survival comparing subjects in the pre‐PELD era and post‐PELD era were analyzed using Kaplan–Meier statistics. Factors associated with survival were identified using Cox regression analysis. Of 120 pediatric HCV transplant recipients, 80 were transplanted in the pre‐PELD era and 40 were transplanted post‐PELD. Median serum total bilirubin, INR, and creatinine were 4.8 mg/dL, 1.6, and 0.7 mg/dL in the pre‐PELD era vs. 5.5 mg/dL, 1.7, and 0.6 mg/mL, respectively, in the post‐PELD era (p NS). One‐yr graft survival in the pre‐PELD vs. post‐PELD era was 65.0% and 89.7%, respectively (p < 0.01); corresponding three‐yr graft survival was 57.3% vs. 76.2% (p = 0.04). One‐yr patient survival in the pre‐PELD vs. post‐PELD era was 79.0% and 97.5%, respectively (p < 0.01); corresponding three‐yr survival was 79.0% vs. 89.4% (p = 0.17). Twenty‐eight patients (23.3%) were retransplanted: 24 (30%) in the pre‐PELD era (median time to retransplant 272 days) and four (10%) in the post‐PELD era (median time to retransplant 586 days). Early follow‐up demonstrates a trend toward improved pediatric HCV liver transplant graft and patient survival in the post‐PELD era. Superior outcomes may be attributed to pretransplant factors, improved surgical technique and better treatment options for HCV infection. 相似文献
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Triantafyllos Stylianopoulos John D. Martin Vikash P. Chauhan Saloni R. Jain Benjamin Diop-Frimpong Nabeel Bardeesy Barbara L. Smith Cristina R. Ferrone Francis J. Hornicek Yves Boucher Lance L. Munn Rakesh K. Jain 《Proceedings of the National Academy of Sciences of the United States of America》2012,109(38):15101-15108
The presence of growth-induced solid stresses in tumors has been suspected for some time, but these stresses were largely estimated using mathematical models. Solid stresses can deform the surrounding tissues and compress intratumoral lymphatic and blood vessels. Compression of lymphatic vessels elevates interstitial fluid pressure, whereas compression of blood vessels reduces blood flow. Reduced blood flow, in turn, leads to hypoxia, which promotes tumor progression, immunosuppression, inflammation, invasion, and metastasis and lowers the efficacy of chemo-, radio-, and immunotherapies. Thus, strategies designed to alleviate solid stress have the potential to improve cancer treatment. However, a lack of methods for measuring solid stress has hindered the development of solid stress-alleviating drugs. Here, we present a simple technique to estimate the growth-induced solid stress accumulated within animal and human tumors, and we show that this stress can be reduced by depleting cancer cells, fibroblasts, collagen, and/or hyaluronan, resulting in improved tumor perfusion. Furthermore, we show that therapeutic depletion of carcinoma-associated fibroblasts with an inhibitor of the sonic hedgehog pathway reduces solid stress, decompresses blood and lymphatic vessels, and increases perfusion. In addition to providing insights into the mechanopathology of tumors, our approach can serve as a rapid screen for stress-reducing and perfusion-enhancing drugs. 相似文献
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A non‐randomised,controlled clinical trial of an innovative device for negative pressure wound therapy of pressure ulcers in traumatic paraplegia patients
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Rajeshwar N Srivastava Mukesh K Dwivedi Amit K Bhagat Saloni Raj Rajiv Agarwal Abhijit Chandra 《International wound journal》2016,13(3):343-348
The conventional methods of treatment of pressure ulcers (PUs) by serial debridement and daily dressings require prolonged hospitalisation, associated with considerable morbidity. There is, however, recent evidence to suggest that negative pressure wound therapy (NPWT) accelerates healing. The commercial devices for NPWT are costly, cumbersome, and electricity dependent. We compared PU wound healing in traumatic paraplegia patients by conventional dressing and by an innovative negative pressure device (NPD). In this prospective, non‐randomised trial, 48 traumatic paraplegia patients with PUs of stages 3 and 4 were recruited. Patients were divided into two groups: group A (n = 24) received NPWT with our NPD, and group B (n = 24) received conventional methods of dressing. All patients were followed up for 9 weeks. At week 9, all patients on NPD showed a statistically significant improvement in PU healing in terms of slough clearance, granulation tissue formation, wound discharge and culture. A significant reduction in wound size and ulcer depth was observed in NPD as compared with conventional methods at all follow‐up time points (P = 0·0001). NPWT by the innovative device heals PUs at a significantly higher rate than conventional treatment. The device is safe, easy to apply and cost‐effective. 相似文献
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Sidharth Mehan Saloni Rahi Aarti Tiwari Tarun Kapoor Kajal Rajdev Ramit Sharma Himanshi Khera Sourabh Kosey Umesh Kukkar Rajesh Dudi 《中国神经再生研究》2020,(6):1140-1149
Neuronal mitochondrial dysfunction increases inflammatory mediators and leads to free radical generation and anti-oxidant enzymatic alterations,which are major neuropathological hallmarks responsible for autism.Mitochondrial dysfunction in autism is associated with decreased ATP levels due to reduced levels of cyclic adenosine monophosphate.Rat models of autism were established by intracerebroventricular injection of propionic acid.These rat models had memory dysfunction,decreased muscle coordination and gait imbalance.Biochemical estimation of propionic acid-treated rats showed changes in enzyme activity in neuronal mitochondrial electron transport chain complexes and increases in pro-inflammatory cytokines,oxidative stress and lipid biomarkers.Oral administration of 10,20 and 30 mg/kg adenylate cyclase activator forskolin for 15 days reversed these changes in a dose-dependent manner.These findings suggest that forskolin can alleviate neuronal mitochondrial dysfunction and improve neurological symptoms of rats with autism.This study was approved by the RITS/IAEC,SIRSA,HARYANA on March 3,2014(approval No.RITS/IAEC/2014/03/03). 相似文献
8.
Amar Mukund Sudheer S. Pargewar Saloni N. Desai S. Rajesh Shiv K. Sarin 《Journal of vascular and interventional radiology : JVIR》2017,28(5):683-687
Purpose
Transient elastography (TE) is routinely used for noninvasive staging of hepatic fibrosis. The objective of the present study was to investigate the role of TE (FibroScan) in determining changes in liver congestion in patients with Budd–Chiari syndrome (BCS) treated by endovascular interventions and determine the effects of pretreatment Meta-analysis of Histological Data in Viral Hepatitis (METAVIR) fibrosis score on posttreatment liver stiffness (LS).Materials and Methods
Twenty-five patients undergoing endovascular procedures for treatment of BCS underwent TE immediately before and within 24 hours after the procedure. Fifteen patients available for 3-month follow-up were again subjected to TE. Mean LS values before and after intervention were compared in 12 of these patients for whom METAVIR scores were available. Pressure gradient changes across the stenosed hepatic veins/inferior vena cava were measured during the procedure. Statistical analysis of these data was performed by Wilcoxon signed-rank test, Mann–Whitney U test, and Pearson product–moment correlation coefficient.Results
Significant differences were found between mean LS measurements before and within 24 hours after intervention (Z-score = 4.372) and between the mean values obtained before and 3 months after treatment (Z-score = 3.408). Mean changes in LS values after intervention in patients with METAVIR fibrosis scores ≤ 2 and > 2 were not significant. There was no correlation between changes in pressure gradients and the degree of LS.Conclusions
TE is a useful tool to assess the reduction in hepatic congestion in patients with BCS undergoing endovascular interventions. 相似文献9.
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