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Photodynamic Therapy in Unresectable Cholangiocarcinoma: Not for the Uncommitted
Jayant P. Talreja,Marisa DeGaetani,Kristi Ellen,Timothy Schmitt,Monica Gaidhane,Michel Kahaleh 대한소화기내시경학회 2013 Clinical Endoscopy Vol.46 No.4
Background/Aims: Photodynamic therapy (PDT) in unresectable cholangiocarcinoma has been associated with improved survival. We report a single tertiary care center experience over the past 6 years. Methods: Fifty-five patients with unresectable cholangiocarcinoma received PDT between 2004 and 2010. Plastic stents were placed after PDT to prevent cholangitis. Results: Twenty-seven patients (49%) showed Bismuth type IV, 22 (41%) showed Bismuth type III, and six (10 %) showed Bismuth type I and II. Twenty patients (37%) received chemotherapy and radiation therapy, five (9%) received chemotherapy only; and one (2%) received radiation therapy only. Mean number of PDT sessions was 1.9±1.5 sessions (range, 1 to 9). Mean survival duration was 293±266 days (median 190; range, 25 to 1,332). PDT related complications included three (5%) facial burn, three (5%) photosensitivity, and two (3%) rash. Kaplan-Meier analysis comparing the survival means of patients who received PDT and chemotherapy/radiation therapy (median survival 257 days; 95% confidence interval [CI], 166 to 528) versus who received PDT only (median survival 183 days; 95% CI, 129 to 224) showed no significant difference (log-rank p=0.20). Conclusions: PDT has a measurable impact on survival in unresectable cholangiocarcinoma but requires aggressive stenting post therapy.
Physical Modeling and analysis of Cast -In-Situ Reinforced Cement Concrete Piled Raft in clayey soil
Jayant Manohar Raut,Santanu Ramkrishna Khandeshwar,Prashant Pande,Sudhir Bajad 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.6
The combined piled raft foundation (PRF) arrangement has been frequently used for various constructions across the globe such as high-rise buildings, railways and varies structures imposing heavy loads etc. This combined system plays an important role in minimizing the settlement and more importantly the differential settlement without compromising with safety of the structure. However, strategically located piles improve the overall structural performance of the system by minimizing settlement and improving its load carrying capacity. The load carrying capacity of either the pile or the raft is considered in traditional design methods. Number of research papers has revealed that this method is uneconomical. Such design method is correct when soil support below raft may vanish like in offshore structure. The present paper investigates the settlement behavior, structural interaction between pile, soil and the raft and load sharing ratio using series of in-house experiments. For this, tests were conductedon physically modelled reinforced concrete piles and raft embedded in compacted soil under steady static loads with different pile configurations viz., free standing pile, pile group, only raft, pile group without raft and piled raft foundation etc. The results of this analysis show that the pile raft foundation's ultimate bearing capability is significantly higher than the sum of load bearing capacity of pile group without raft and load bearing capacity of individual raft. The innovative design method in which bearing capacity of raft and pile considered is compared with traditional design method where raft capacity is neglected. Then there is increase in load bearing capacity by 175% to 600%. This variation depends on size of raft and number of piles provide. Also the load sharing of between pile and raft dependents upon individual capacities and is self-compensating or self-healing.
Regional Trading Agreements and Intra-industry Trade
( Jayant Menon ),( Peter B. Dixon ) 세종대학교 경제통합연구소 1996 Journal of Economic Integration Vol.11 No.1
Do Regional Trading Agreements (RTAs) promote intra-industry trade (IIT)? In attempting to answer this question, previous researchers have looked at two issues: (i) whether IIT has increased following the formation of the RTA, and (ii) whether IIT is more important in intra versus extra RTA trade. To answer the first question, researchers have used movements in the value of the Grubel and Lloyd (1975, GL) index over time, while the second has been dealt with by comparing the value of the CL index for intra versus extra RTA trade. Employing the CL index in these ways to answer these questions can lead to error In this paper, we develop a new methodology for analyzing both of these questions which overcomes this problem. First, we derive a formula which decomposes the growth in total trade (TT) into the contributions of growth in IIT and net trade (NT). Second, we show how to measure the contribution of inira and extra RTA trade to the growth in a country`s total multilat eral IIT and NT. These formulas are employed to examine the effects of the Australia-New Zealand Closer Economic Relations Trading Agreement (ANZCERTA) on Australian and New Zealand trade.
Improved Survival of Cervical Cancer Patients in a Screened Population in Rural India
Jayant, Kasturi,Sankaranarayanan, Rengaswamy,Thorat, Ranjit V,Muwonge, Richard,Hingmire, Sanjay J,Panse, Nandkumar S,Shastri, Surendra S,Malvi, Sylla G,Nene, Bhagwan Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.11
Objectives: To describe the survival experience of cervix cancer patients in a screened rural population in India. Methods: Included 558 cervical cancer patients diagnosed in 2000-2013 in a cohort of 100,258 women invited for screening during 2000-2003. The primary end point was death from cervical cancer. We used the Kaplan-Meier method to estimate cumulative observed survival and Cox proportional hazards regression to assess the effect of patient characteristics on survival after diagnosis. Results: Of the 558 cases included, 143 (26%) and 114 (20%) were diagnosed in stages IA and IB respectively; 252 (45.2%) were dead, and 306 (54.8%) were alive at the last follow-up. The overall 5-year observed survival was 60.5%. The 5-year survival of stage IA patients was 95.1% and 5.3% for stage IV patients. All surgically treated stage IA patients, 94.1% of stage IB patients receiving intracavitary radiotherapy, 62% of stage IIB, 49% of stage III and 25% of stage IV patients receiving radiotherapy survived for 5 years. Conclusion: Higher 5-year survival in our study than elsewhere in India is due to the high proportion of early stage cancers detected by screening combined with adequate treatment, resulting into a favourable prognosis.
Thermal Barrier Coatings—A State of the Art Review
Jayant Gopal Thakare,Chandan Pandey,M. M. Mahapatra,R. S. Mulik 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.7
Thermal barrier coatings (TBCs) have seen considerable advancement since the initial testing and development of thermalspray coating. Thermal barrier coatings are currently been utilized in various engineering areas which include internal combustion engines, gas turbine blades of jet engines, pyrochemical reprocessing units and many more. The development of newmaterials, deposition techniques is targeted at improving the life of the underlying substrate. Hence, the performance of thecoating plays a vital role in improving the life of substrate. The scope for advancement in thermal barrier coatings is veryhigh and continuous eforts are being made to produce improved and durable coatings. Thermal barrier coatings have thepotential to address long term and short-term problems in gas turbine, internal combustion and power generation industry. The study of thermal barrier coating material, performance and life estimation is a critical factor that should be understood tointroduce any advancement. The present review gives an overview of the thermal spraying techniques and current advancements in materials, mechanical properties, understanding the high temperature performance, residual stress in the coating,understanding the failure mechanisms and life prediction models for coatings.
Activity of Allyl Isothiocyanate and Its Synergy with Fluconazole against Candida albicans Biofilms
( Jayant Shankar Raut ),( Bhagyashree Shridhar Bansode ),( Ashwini Khanderao Jadhav ),( Sankunny Mohan Karuppayil ) 한국미생물 · 생명공학회 2017 Journal of microbiology and biotechnology Vol.27 No.4
Candidiasis involving the biofilms of Candida albicans is a threat to immunocompromised patients. Candida biofilms are intrinsically resistant to the antifungal drugs and hence novel treatment strategies are desired. The study intended to evaluate the anti-Candida activity of allyl isothiocyanate (AITC) alone and with fluconazole (FLC), particularly against the biofilms. Results revealed the concentration-dependent activity of AITC against the planktonic growth and virulence factors of C. albicans. Significant (p <0.05) inhibition of the biofilms was evident at ≤1 mg/ml concentrations of AITC. Notably, a combination of 0.004 mg/ml of FLC and 0.125 mg/ml of AITC prevented the biofilm formation. Similarly, the preformed biofilms were significantly (p <0.05) inhibited by the AITC-FLC combination. The fractional inhibitory concentration indices ranging from 0.132 to 0.312 indicated the synergistic activity of AITC and FLC against the biofilm formation and the preformed biofilms. No hemolytic activity at the biofilm inhibitory concentrations of AITC and the AITC-FLC combination suggested the absence of cytotoxic effects. The recognizable synergy between AITC and FLC offers a potential therapeutic strategy against biofilm-associated Candida infections.