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351篇 您的检索式:作者名="Uppal"
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1Frozen shoulder:A systematic review of therapeutic options显示文摘Frozen shoulder is a common disease which causes significant morbidity. Despite over a hundred years of treating this condition the definition, diagnosis, pathology and most efficacious treatments are still largely unclear. This systematic review of current treatments for frozen shoulder reviews the evidence base behind physiotherapy, both oral and intra articular steroid, hydrodilatation, manipulation under anaesthesia and arthroscopic capsular release. Key areas in which future research could be directed are identified, in particular with regard to the increasing role of arthroscopic capsular release as a treatment.Harpal Singh Uppal Jonathan Peter Evans Christopher Smith 2015World Journal of Orthopedics2015,6,2:33
2Advances in endoscopic retrograde cholangiopancreatography for the treatment of cholangiocarcinoma显示文摘Cholangiocarcinoma(CCA) is a malignancy of the bileducts that carries high morbidity and mortality. Patients with CCA typically present with obstructive jaundice, and associated complications of CCA include cholangitis and biliary sepsis. Endoscopic retrograde cholangiopancreatography(ERCP) is a valuable treatment modality for patients with CCA, as it enables internal drainage of blocked bile ducts and hepatic segments by using plastic or metal stents. While there remains debate as to if bilateral(or multi-segmental) hepatic drainage is required and/or superior to unilateral drainage, the underlying tenant of draining any persistently opacified bile ducts is paramount to good ERCP practice and good clinical outcomes. Endoscopic therapy for malignant biliary strictures from CCA has advanced to include ablative therapies via ERCP-directed photodynamic therapy(PDT) or radiofrequency ablation(RFA). While ERCP techniques cannot cure CCA, advancements in the field of ERCP have enabled us to improve upon the quality of life of patients with inoperable and incurable disease. ERCP-directed PDT has been used in lieu of brachytherapy to provide neoadjuvant local tumor control in patients with CCA who are awaiting liver transplantation. Lastly, mounting evidence suggests that palliative ERCP-directed PDT, and probably ERCPdirected RFA as well, offer a survival advantage to patients with this difficult-to-treat malignancy.Dushant S Uppal Andrew Y Wang 2015World Journal of Gastrointestinal Endoscopy2015,7,7:18
3Magnesium based implants for functional bone tissue regeneration–A review显示文摘Magnesium(Mg)has emerged as one of the third-generation biomaterials for regeneration and support of functional bone tissue.Mg is a better choice over permanent implants such as titanium,stainless steel,cobalt-chrome as magnesium is biodegradable and does not require a second surgery for its removal after bone tissue recovery.It also reduces the risk of stress shielding as its elastic modulus is closer to human bone in comparison to permanent implants and other biodegradable metallic implants based on Iron and Zinc.Most importantly,Mg is osteoconductive thus stimulates new bone formation and possess anti-bacterial properties hence reducing the risk of failure due to infection.Despite its advantages,a major concern with pure Mg is its rapid bio-corrosion in presence of body fluids due to which the mechanical integrity of the implant deteriorates before healing of the tissue is complete.Mechanical properties of Mg-based implants can be enhanced by mechanical processing,alloying,and topology optimization.To reduce the corrosion/degradation rate,Mg has been alloyed with metals,reinforced with ceramics,and surface coatings have been applied so that the degradation rate of Mg-based implant matches with that of healing rate of bone tissue.The present review discusses the effect of alloying elements and reinforcing ceramics on microstructure,mechanical,and corrosion properties of Mg-based orthopedic implants.In addition,the biocompatibility of Mg-based alloys,composites,and coatings applied on Mg implants has been highlighted.Further,different methods of fabricating porous implants have been highlighted as making the implant porous facilitates the growth of new bone tissue through the pores.Gavish Uppal Amit Thakur Amit Chauhan Saroj Bala 2022Journal of Magnesium and Alloys2022,10,2:4
4Update on the endoscopic treatments for achalasia显示文摘Achalasia is the most common primary motility disorder of the esophagus and presents as dysphagia to solids and liquids. It is characterized by impaired deglutitive relaxation of the lower esophageal sphincter. Highresolution manometry allows for definitive diagnosis and classification of achalasia, with type Ⅱ being the most responsive to therapy. Since no cure for achalasia exists, early diagnosis and treatment of the disease is critical to prevent end-stage disease. The central tenant of diagnosis is to first rule out mechanical obstruction due to stricture or malignancy, which is often accomplished by endoscopic and fluoroscopic examination. Therapeutic options include pneumatic dilation(PD), surgical myotomy, and endoscopic injection of botulinum toxin injection. Heller myotomy and PD are more efficacious than pharmacologic therapies and should be considered first-line treatment options. Per oral endoscopic myotomy(POEM) is a minimally-invasive endoscopic therapy that might be as effective as surgical myotomy when performed by a trained and experienced endoscopist, although long-term data are lacking. Overall, therapy should be individualized to each patient's clinical situation and based upon his or her risk tolerance, operative candidacy, and life expectancy. In instances of therapeutic failure or symptom recurrence re-treatment is possible and can include PD or POEM of the wall opposite the site of prior myotomy. Patients undergoing therapy for achalasia require counseling, as the goal of therapy is to improve swallowing and prevent late manifestations of the disease rather than to restore normal swallowing, which is unfortunately impossible.Dushant S Uppal Andrew Y Wang 2016World Journal of Gastroenterology2016,22,39:2
5Study of cyanide removal from contaminated water using zinc peroxide nanomaterial显示文摘The present study highlights the potential application of zinc peroxide(ZnO_2)nanomaterial as an efficient material for the decontamination of cyanide from contaminated water. A process patent for ZnO_2 synthesis has been granted in United States of America(US Patent number 8,715,612; May 2014),South Africa,Bangladesh,and India. The ZnO_2 nanomaterial was capped with polyvinylpyrrolidone(PVP)to control the particle size. The PVP capped ZnO_2nanomaterial(PVP-ZnO_2)before and after adsorption of cyanide was characterized by scanning electron microscope,transmission electron microscope,X-ray diffractometer,Fourier transform infrared spectroscopy and time of flight-secondary ion mass spectrometry. The remaining concentration of cyanide after adsorption by PVP-ZnO_2 was determined using ion chromatograph. The adsorption of cyanide over PVP-ZnO_2 was also studied as a function of p H,adsorbent dose,time and concentration of cyanide. The maximum removal of cyanide was observed in p H range 5.8–7.8 within 15 min. The adsorption data was fitted to Langmuir and Fruendlich isotherm and it has been observed that data follows both the isotherms and also follows second order kinetics.Himani Uppal S. Swarupa Tripathy Sneha Chawla Bharti Sharma M.K. Dalai S.P. Singh Sukhvir Singh Nahar Singh 2017Journal of Environmental Sciences2017,29,5:2
6Retrospective Study of clinical and hematological aspects associated with dogs naturally infected by Hepatozoon canis in Ludhiana,Punjab,India显示文摘Objective:To evaluate clinical and hematological aspects of dogs naturally infected with Hepatozoon canis(H.canis)presented at the Small Animal Clinics of Guru Angad Dev Veterinary and Animal Sciences University,Ludhiana.Methods:Blood films of 34 naturally infected dogs were examined for haematological alterations and parasitaemia.Signalment and clinical signs were recorded from the animals.Clinical histories were filled oul during the consultation.Results:Of the 34 positive dogs by Giemsa stained peripheral blood films.88.23%presented parasilaemia by H.canis only,while 11.77%had the combination of H.canis,Babesia sp.and Ehrlichia sp.Young male dogs less than oue-year-old,of nondescript breed,were the most commonly affected.And 26.47%were presented with anorexia/inappetence as the only clinical symptom.Other clinical symptoms were mild to moderate fever,pale mucosae and lethargy;a few were also showing the signs of vomiting and diarrhoea.Haematological alterations showed mainly normochromic-normocytic anaemia,leukocytosis and neutrophilia.Conclusions:The findings of this study substantiate that H.canis caused clinical and haematological alterations of the varied intensity in dogs,even with low parasilaemia.should he taken into consideration.Sushma Chhabra Sanjeev Kumar Uppal Lachhman Das Singla 2013Asian Pacific Journal of Tropical Biomedicine2013,3,6:2
7A low-cost solar-energy stimulated absorption refrigerator for vaccine storage 显示文摘Uppal AH Norton B Probert SD 1986Applied Energy1986,25,:1
8Comparative evaluation of surface swab and quantitative ful thickness wound biopsy culture in burn patients显示文摘Uppal SK Ram S Kwatra B 0,,04:1
9New-Onset Maternal Gestational Hypertension and Risk of Retinopathy of Prematurity显示文摘Zayed MA Uppal A Hartnett ME 0,,10:1
10Changes in sugar content and invertase activity in tubders of some Indian potato varieties stored at low temperature显示文摘Uppal D S 1990Photo Research1990,33,:1
11Valuing risk and flexibility- a comparison of methods 显示文摘Moyen N Slade M Uppal R 1996Resources Policy1996,,22:1
12Angiotensin converting enzyme inhibitors and cough--a north Indian study 显示文摘 Uppal M Anuradha S 1998J Assoc Physicians Indian1998,46,5:1
13Disease activ- ity and cytokine production in mitogen-stimulated peripheral blood mononuclear ceils from patients with rheumatoid arthritis显示文摘UPPAL SS RAGHUPATHY R HAYAT SJ 2010Med Princ Pract2010,19,1:1
14A novel constitutive androstane receptor-mediated and CYP3A-independent pathway of bile acid detoxification显示文摘Saini SP Sonoda J Xu L Toma D Uppal H Mu Y 2004Mol Pharmacol2004,65,2:1
15The bedside insertion of inferior vena cava filters using ultrasound guidance 显示文摘UPPAL B FLINN W R Benjamin M E 2007Perspect Vasc Surg Endovasc Ther2007,19,1:1
16Total phenolic content and antioxidant capacity of extracts obtained from six important fruit residues 显示文摘Babbar N Oberoi H S Uppal D S 2011Food Res Int2011,44,:1
17Model misspecification and under-diversification显示文摘Uppal R Wang T 2003Journal of Finance2003,58,6:1
18Changes of reducing sugar and invertase activity in cold-stored potato tubers显示文摘Uppal D S Verma S C 1990Potato Research1990,33,:1
19Fault Pattern Diagnosis and Classification in Sensor Nodes Using Fall Curve显示文摘The rapid expansion of Internet of Things(IoT)devices deploys various sensors in different applications like homes,cities and offices.IoT applications depend upon the accuracy of sensor data.So,it is necessary to predict faults in the sensor and isolate their cause.A novel primitive technique named fall curve is presented in this paper which characterizes sensor faults.This technique identifies the faulty sensor and determines the correct working of the sensor.Different sources of sensor faults are explained in detail whereas various faults that occurred in sensor nodes available in IoT devices are also presented in tabular form.Fault prediction in digital and analog sensors along with methods of sensor fault prediction are described.There are several advantages and disadvantages of sensor fault prediction methods and the fall curve technique.So,some solutions are provided to overcome the limitations of the fall curve technique.In this paper,a bibliometric analysis is carried out to visually analyze 63 papers fetched from the Scopus database for the past five years.Its novelty is to predict a fault before its occurrence by looking at the fall curve.The sensing of current flow in devices is important to prevent a major loss.So,the fall curves of ACS712 current sensors configured on different devices are drawn for predicting faulty or non-faulty devices.The analysis result proved that if any of the current sensors gets faulty,then the fall curve will differ and the value will immediately drop to zero.Various evaluation metrics for fault prediction are also described in this paper.At last,this paper also addresses some possible open research issues which are important to deal with false IoT sensor data.Mudita Uppal Deepali Gupta Divya Anand Fahd S.Alharithi Jasem Almotiri Arturo Mansilla Dinesh Singh Nitin Goyal 2022Computers, Materials & Continua2022,,7:1
20Nosocomial tuberculosis exposures at a tertiary care hospital:A root cause analysis显示文摘Uppal N Batt J Seemangal J 2014Am J Infect Control2014,42,:1
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