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Search Results: 1 - 10 of 21617 matches for " Hari Kumar KVS "
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Poor Mineral metabolism as a risk for Early Graft Dysfunction
Hari Kumar KVS,Kumar Arun
Saudi Journal of Kidney Diseases and Transplantation , 2008,
Author′s reply
Hari Kumar KVS,Kumar Arun
Saudi Journal of Kidney Diseases and Transplantation , 2008,
Caput medusae in alcoholic liver disease
KVS Hari Kumar, SK Rastogi
Nigerian Journal of Clinical Practice , 2011,
Abstract: Caput medusae and palmar erythema are cardinal signs in cirrhosis of liver with portal hypertension. Palmar erythema is described more often as a marker for alcoholic etiology of chronic liver disease. The peripheral stigmata of chronic liver disease are not routinely seen now a days due to early diagnosis and better therapy. We recently encountered an interesting patient of alcoholic liver disease with two classical signs of the disease and report the same for this unusual presentation.
Conns′ syndrome - atypical presentations
Hari Kumar KVS,Jha Sangeeta,Jha Ratan,Modi K
Saudi Journal of Kidney Diseases and Transplantation , 2009,
Abstract: Primary hyperaldosteronism (Conns′ syndrome) commonly presents with a combi-nation of clinical features of hypokalemia and hypertension. Atypical presentations like normo-tension, normokalemia and neurological ailments are described in few cases. We encountered two such cases, the first presenting with acute neurological complaint and second case having insig-nificant hypertension. Both the patients had a characteristic biochemical and imaging profile consistent with primary hyperaldosteronism and responded to surgical resection of adrenal adenoma.
Controversial role of Omega-3 fatty acids in Dyslipidemia
Hari Kumar KVS,Verma Abhyuday,Shekhar,Modi K
Saudi Journal of Kidney Diseases and Transplantation , 2008,
Effectiveness of Built-in Security Protection of Microsoft’s Windows Server 2003 against TCP SYN Based DDoS Attacks  [PDF]
Hari Krishna Vellalacheruvu, Sanjeev Kumar
Journal of Information Security (JIS) , 2011, DOI: 10.4236/jis.2011.23013
Abstract: Recent DDoS attacks against several web sites operated by SONY Playstation caused wide spread outage for several days, and loss of user account information. DDoS attacks by WikiLeaks supporters against VISA, MasterCard, and Paypal servers made headline news globally. These DDoS attack floods are known to crash, or reduce the performance of web based applications, and reduce the number of legitimate client connections/sec. TCP SYN flood is one of the common DDoS attack, and latest operating systems have some form of protection against this attack to prevent the attack in reducing the performance of web applications, and user connections. In this paper, we evaluated the performance of the TCP-SYN attack protection provided in Microsoft’s windows server 2003. It is found that the SYN attack protection provided by the server is effective in preventing attacks only at lower loads of SYN attack traffic, however this built-in protection is found to be not effective against high intensity of SYN attack traffic. Measurement results in this paper can help network operators understand the effectiveness of built-in protection mechanism that exists in millions of Windows server 2003 against one of the most popular DDoS attacks, namely the TCP SYN attack, and help enhance security of their network by additional means.
The right sided syndrome, congenital absence of kidney and testis
Kumar KVS,Rao B,Shiradhonkar Shekhar,Jha Ratan
Saudi Journal of Kidney Diseases and Transplantation , 2011,
Abstract: Unilateral renal agenesis (URA) is a developmental defect associated with ano-malies of the genitourinary system. The associations vary from absence of testis alone to high anorectal anomalies in other patients. We present two interesting patients with URA, encountered recently. Our first case was diagnosed with URA at the age of 11 years, which was detected on sonography, when he presented with pain abdomen. The presence of an epididymal cyst masked the absence of ipsilateral testes leading to delay in the diagnosis. Our second case was diagnosed with URA during the neonatal period when he presented with anorectal agenesis. He underwent abdomino-anal pull-through operation and later clinical course was complicated by recurrent cystitis, secondary vesicoureteral reflux and hydroureteronephrosis of solitary kidney, progressing to chronic kidney disease.
Coastal Erosion Studies—A Review  [PDF]
Durusoju Hari Prasad, Nandyala Darga Kumar
International Journal of Geosciences (IJG) , 2014, DOI: 10.4236/ijg.2014.53033

The land ward displacement of the shoreline caused by the forces of waves and currents is termed as Coastal Erosion. The Coastal areas have become more prone and vulnerable to natural and human made hazards which lead to Coastal Erosion. The Shoreline retreat is recognized as a burgeoning threat because of global climate change and other anthropogenic activities that alter the natural processes of sustaining beaches and coasts. Coastal Erosion mainly occurs when wind, waves and long shore currents move sand from shore and deposit it somewhere else. The sand can be moved to another beach, to the deeper ocean bottom, into an ocean trench or onto the landside of a dune. The removal of the sand from the sand sharing system results in permanent changes in beach shape and structure. The impact of the event is not seen immediately as in the case of Tsunami or Storm Surge but it is equally important when we consider loss of property. It generally takes months or years to note the impact of Erosion; therefore, this is generally classified as a “Long Term Coastal Hazard”. The present paper attempts to describe a Review on Coastal Erosion Process, Parameters’ affecting, and methodologies are adopted to identify the erosion and recommend a solution.

Double-diffusive convection in a viscoelastic fluid
Pardeep Kumar,Hari Mohan
Tamkang Journal of Mathematics , 2012, DOI: 10.5556/j.tkjm.43.2012.365-374
Abstract: The double-diffusive convection in an Oldroydian viscoelastic fluid is mathematical investigated under the simultaneous effects of magnetic field and suspended particles through porous medium. A sufficient condition for the invalidity of the `principle of exchange of stabilities' is derived, in the context, which states that the exchange principle is not valid provided the thermal Rayleigh number $R$, solutal Rayleigh number$R_S$, the medium permeability $P_1$ and the suspended particles parameter $B$ are restricted by the inequality $frac{BP_1}{pi^2}(R+R_S)<1$.
Journal of Engineering Science and Technology , 2012,
Abstract: The thermosolutal instability in a layer of electrically conducting Oldroydian viscoelastic fluid in porous medium is studied to include the effect of Hall current. For the case of stationary convection, the Oldroydian fluid behaves like an ordinary Newtonian fluid. The magnetic field and the stable solute gradient are found to have stabilizing effects whereas Hall currents and medium permeability are found to have destabilizing effects on the system. Graphs have been plotted by giving numerical values to the parameters, to depict the stability characteristics. The sufficient conditions for the non-existence of overstability are also obtained.
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