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1.
O. P. Sanjay 《Indian journal of clinical biochemistry : IJCB》2004,19(1):40-44
Although potassium is critical for normal electro physiology, the associations between pre-operative serum potassium level
and peri-operative adverse events such as arrhythmias in cardiac surgery have not been examined in detail.
The objective of this study was to determine the prevalence of abnormal pre-operative serum potassium levels and whether such
levels were associated with adverse peri-operative events in 50 patients undergoing coronary artery bypass grafting. Intra-operative
and post-operative arrhythmias, the need for cardio-pulmonary resuscitation, cardiac death and death due to any cause prior
to discharge from the post-operative intensive care unit were studied. The incidence for adverse outcome was 0.5% for death,
0.5% for cardiac death and 2% for cardio pulmonary resuscitation in patients with hypokalemia (serum potassium level <3.5
meq. L−1). Hypokalemia was found to be a predictor of serious peri-operative (OR:2.2; 95% Cl: 1.2–4.1) and post-operative arrhythmias
(OR: 1.7;95%Cl: 1.0–2.7).
Pre-operative potassium repletion is low cost and low risk treatment measure and the data from this study suggests that screening
and repletion be considered in patients scheduled for cardiac surgery. 相似文献
2.
Research in Science Education - The first phase of this multiphase study involves modeling of college students’ thinking of friction at the microscopic level. Diagnostic interviews were... 相似文献
3.
ABSTRACTIncreasingly intense, multifaceted, and integrated forms of surveillance are a central feature of Western national security attempts to counter the violence of “Islamic terrorism.” However, there has been a lack of research examining contemporary regimes of surveillance as profoundly racialized. This study examines how counterterrorism efforts are underpinned by ill-conceived accounts of radicalization that preemptively construct Muslim migrants as a threat to national security, thereby justifying practices of mass surveillance that further propagate racist discourses of uncertainty and risk. We advance an analysis of a racialized surveillant assemblage, which is generative of mutable, algorithmically determined profiles of the Muslim-as-terrorist. Such a regime of mass surveillance effectively puts all Muslims under suspicion. We highlight that, paradoxically, mass data-mining operations stifle, rather than aid, the identification of actual terrorist threats. This conditions a paranoid surveillant racism, through which Muslim populations become modulated as an unknowable threat of death and destruction. 相似文献
4.
Anita Devi Ritu Singh Rajni Dawar Sanjay Tyagi 《Indian journal of clinical biochemistry : IJCB》2017,32(2):235-238
Association of cholesteryl ester transfer protein (CETP) Gene -629C/A Polymorphism with angiographically proven atherosclerosis CETP gene has been linked to CAD risk via its role in HDL and LDL metabolism. There is no agreement of whether CETP is atherogenic or not. Furthermore, various genotypes of CETP gene have been associated with CETP levels and thus with atherosclerosis risk. Our aim was to study the association of CETP -629C/A gene polymorphism with CETP and HDL levels and their association if any with atherosclerosis. Study population consisted of angiographically documented 50 cases with coronary artery atherosclerosis and 50 controls negative for atherosclerosis of coronary artery. Serum lipid profile was measured on SYNCHRON CX-9 using standard kits. Serum CETP levels were measured by ELISA method. CETP -629C/A gene polymorphism was studied using PCR–RFLP method. There was no significant difference in lipid profile of the two groups. However, serum CETP level was significantly higher (46.44 ± 21.75 ng/ml) in cases than controls (37.10 ± 21.92 ng/ml) with p value =0.035. The frequency of -629A allele was higher (0.85) in cases than that of controls (0.81). Homozygosity of A allele was more in subjects with atherosclerosis of coronary artery. We conclude that CETP is atherogenic and could be used as atherogenic risk predictor in angiographically proven atherosclerosis. Also A allele of -629C/A polymorphism is more prevalent in cases; indicating its effect on expression of CETP gene. 相似文献
5.
Sanjay JAISWAL Xian-bao LIU Qu-cheng WEI Ying-hao SUN Li-han WANG Liu-guang SONG Dan-dan YANG Jian-an WANG 《Journal of Zhejiang University. Science. B》2018,(1)
目的:探讨皮质类固醇对导管消融术后心房颤动(AF)的影响。创新点:首个探讨皮质类固醇对导管消融术后AF影响的荟萃分析。方法:我们在Pub Med、Embase和Cochrane对照试验中心注册库中搜索了描述皮质类固醇对预防导管消融后AF复发影响的文章,并提取了研究和患者的相关数据。使用随机效应模型计算风险比(RR)和95%置信区间(CI),P0.05被认为具有统计学差异。结论:导管消融术围术期皮质类固醇的使用与AF早期复发减少相关,但与晚期复发无关。 相似文献
6.
Sanjay Joshi 《国际体育史杂志》2013,30(9):1226-1241
This essay records a recent history of how dedicated and public-spirited lovers of a sport created a virtual community of cricket fans using what was then a new medium called the internet. The website “Cricinfo” was initially a product of this community. The essay then shows how commercial concerns came to override those of the virtual community, as Cricinfo was transformed from a community-based enterprise to a commercial entity. All of this happened at a time when the sport and the internet itself was being transformed by new technologies, and entrepreneurs were taking advantage of these changes to create new economic opportunities. The recent acquisition of Cricinfo by the media giant ESPN (itself owned by The Walt Disney Company) merely continues the trajectory outlined in this essay. 相似文献
7.
M. Smita K. Naidu A. N. Suryakar Sanjay C. Swami R. V. Katkam K. M. Kumbar 《Indian journal of clinical biochemistry : IJCB》2007,22(2):140-144
Cervical cancer (CaCx) is a global public health problem as it is the second most common cancer leading to the death of women
worldwide. Many references revealed that the low levels of antioxidants induce the generation of free radicals leading to
DNA damage and further mutations. In the present study attempt have been made to evaluate the levels of serum Lipid peroxide,
Nitric Oxide (NO.) Erythrocytic—Superoxide Dismutase (RBC-SOD), Vitamin-C, serum Copper (Cu) and serum Zinc (Zn). 120 patients were divided
in 4 groups according to the increasing CaCx stages i.e. stage I, II, III & IV respectively. All the patients were around
the age group of 25–65 years. 30 healthy women between the same age group were treated as controls. Highly significant increased
values of MDA, NO. and Cu were observed (p<0.001) whereas the activity of RBC-SOD, levels of Vitamin-C and Zn were significantly decreased in
CaCx patients as compared with healthy controls (p<0.001). Cu/Zn ratio was found to be altered in CaCx patients. From our
findings it can be concluded that the oxidative stress is induced among CaCx patients, which inturn increases the risk of
CaCx. 相似文献
8.
Multiple external representations (MERs) are central to the practice and learning of science, mathematics and engineering, as the phenomena and entities investigated and controlled in these domains are often not available for perception and action. MERs therefore play a twofold constitutive role in reasoning in these domains. Firstly, MERs stand in for the phenomena and entities that are imagined, and thus make possible scientific investigations. Secondly, related to the above, sensorimotor and imagination-based interactions with the MERs make possible focused cognitive operations involving these phenomena and entities, such as mental rotation and analogical transformations. These two constitutive roles suggest that acquiring expertise in science, mathematics and engineering requires developing the ability to transform and integrate the MERs in that field, in tandem with running operations in imagination on the phenomena and entities the MERs stand for. This core ability to integrate external and internal representations and operations on them – termed representational competence (RC) – is therefore critical to learning in science, mathematics and engineering. However, no general account of this core process is currently available. We argue that, given the above two constitutive roles played by MERs, a theoretical account of representational competence requires an explicit model of how the cognitive system interacts with external representations, and how imagination abilities develop through this process. At the applied level, this account is required to develop design guidelines for new media interventions for learning science and mathematics, particularly emerging ones that are based on embodied interactions. As a first step to developing such a theoretical account, we review the literature on learning with MERs, as well as acquiring RC, in chemistry, biology, physics, mathematics and engineering, from two perspectives. First, we focus on the important theoretical accounts and related empirical studies, and examine what is common about them. Second, we summarise the major trends in each discipline, and then bring together these trends. The results show that most models and empirical studies of RC are framed within the classical information processing approach, and do not take a constitutive view of external representations. To develop an account compatible with the constitutive view of external representations, we outline an interaction-based theoretical account of RC, extending recent advances in distributed and embodied cognition. 相似文献
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10.
Anshita Aggarwal Sant Ram Abhilasha Garg Rimesh Pal Anil Bhansali Priyanka Singh Sadhna Sharma J. S. Thakur Naresh Sachdeva Sanjay Kumar Bhadada 《Indian journal of clinical biochemistry : IJCB》2021,36(1):67
We aimed to estimate metabolic bone profile in a large cohort of healthy, adult Indian population to generate reference standards of serum calcium, phosphate and alkaline phosphatase (ALP), 25 (OH) Vitamin D and iPTH, and also to find out the prevalence of Vitamin D deficiency in healthy population. Apparently healthy people in the age group of 20–80 years, residing in the union territory of Chandigarh were chosen. Fasting samples for serum calcium, phosphate, albumin, alkaline phosphatase (ALP), 25 (OH) D and iPTH were collected and were processed on the same day. We recruited 930 healthy subjects from different subsectors of Chandigarh. Final analysis was done for 915 subjects. Out of this, 530 (58%) were women and 385 (42%) were men. The study participants were divided into two groups, less than and more than 50 years for the men and pre and post-menopausal for the women. The serum calcium, phosphate, ALP and iPTH were significantly higher in the post-menopausal women compared to the pre-menopausal women. The median plasma 25 (OH) D in men and women was 12.5 ng/mL and 14.3 ng/mL, respectively. 25 (OH) D deficiency was seen in 65.4% of individuals. 25 (OH) D levels co-related negatively with iPTH levels (r = − 0.4, p < 0.0001), and showed an increasing trend with age. We have thus presented metabolic bone profile of healthy, adult north Indian population. These reference values can be used for diagnosis and monitoring of various MBDs. Vitamin D deficiency is still rampant in our population in spite of increasing awareness. 相似文献