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Objective: To Compare performance of combined creatinine and cystatin C-based equation with equations based on either cystatin C or creatinine alone, in early chronic kidney disease. Design: Diagnostic accuracy study. Setting: Tertiary-care hospital. Patients: One hundred children with chronic kidney disease who underwent 99mTc diethylenetriamine pentaacetic acid (DTPA) glomerular filtration rate measurement. Methods: Estimating equations for glomerular filtration rate (GFR) based on serum cystatin C alone and in combination with serum creatinine were generated using regression analyses. These equations and the creatinine-based equation [0.42 x height/creatinine] were validated in 42 children with glomerular filteration rate between 60 and 90 mL/min/1.73 m2. Bias, precision and accuracy of estimating equations using DTPA glomerular filteration rate as gold standard. Results: Cystatin C-based equation (GFR=96.9 - 30.4 x cystatin) overestimated while the combined cystatin C-and creatininebased equation [GFR=11.45 x (height/creatinine) 0.356 x (1/ cystatin) 0.188] underestimated the measured GFR. Cystatin Cbased equation had less bias (1.9 vs. 12.4 ml/min/1.73 m2), and higher precision (13.1 vs. 25.6 mL/min/1.73 m2) and accuracy (92.1% vs. 75.7%) than creatinine-based equation. The combined cystatin C and creatinine equation had bias (-1.4 mL/ min/1.73 m2) precision (15.2 mL/min/1.73 m2) and accuracy (91.2%) similar to cystatin C-based equation. Conclusions: Cystatin C-based equation has a better performance in estimating glomerular filtration rate than creatinine-based equation in children with early chronic kidney disease. Addition of creatinine equation does not improve the performance of the cystatin C-based equation.
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The present study deals with the antimicrobial activity and phytochemical screening of the two medicinal plants, Tinospora cordifolia and Euphorbia hirta those are commonly available in India. Results of antimicrobial activity revealed that these medicinal plant extracts were very effective against Serratia marcescens, E. coli, Streptococcus thermophilus, Fusarium oxysporium, Aspergillus niger while these extracts showed very less inhibition against Trichoderma reesei. Phytochemical analysis of these plants confirms the presence of various phytochemical like alkaloids, flavonoids, polyphenols, steroidal terpenes in Euphorbia hirta and alkaloids, flavonoids, Saponin, tannins, steroidal terpenes, reducing sugar in Tinospora cordifolia. While other phytochemical like, glycosides, phylobatamins, xanthoproteins, phenolic compounds were found to be absent in these extracts. These plants can be a source of useful drugs but further studies are required to isolate the active component from the crude plant extract for proper drug development.
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The present study deals with the antimicrobial activity and phytochemical screening of seeds extract of five plants of Cucurbitaceae family- Momordica charantia (Karella), Cucumis sativa (Cucumber), Praecitrullus fistulosus (Tinda), Cucurbita pepo (Kaddu), Lagenaria siceraria (loki) that are commonly available and readily consumed in India. Results of antimicrobial activity revealed that all the seeds extracts were very effective against Serratia marcescens , E. coli, Streptococcus thermophilous, Fusarium oxysporium, Trichoderma reesei while some extracts showed no inhibition against Aspergillus niger (Cucumis sativa), Candida albicans (Praecitrullus fistulosus, Cucurbita pepo, Lagenaria siceraria). Phytochemical analysis of these plants confirms the presence of various phytochemicals like tannins, cardiac glycosides, terpenoides, carbohydrates, resins, saponins and phytosterols. While other phtochemicals like alkaloids, flavonoids, glycosides, steroidal terpenes and phylobatamins were found to be absent in all the extracts. These plants can be a source of useful drugs but further studies are required to isolate the active component from the crude plant extract for proper drug development.
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Background: Gingival recession in its localized or generalized form is an undesirable condition which results in root exposure. Several different techniques have been described in order to cover the exposed root surface, and increase the dimensions of the keratinized tissue in gingival recession defects. The aim of the present study is to evaluate the result using a bio resorbable membrane for the treatment of human isolated buccal gingival recession. Materials and Methods: Ten patients, i.e. 6 males and 4 females, mean age 34.5 years, with Miller's classification class I or II facial mucogingival defects were selected. A full thickness flap up to the mucogingival junction, followed by a split thickness flap was reflected. This was done so as to cover the membrane at the defect site, at the same time cover the denuded root surface. All parameters were recorded by a single investigator for each surgical site before surgery (baseline), after 3 weeks, 3 months, 6 months and 9 months. Results: The selected sites clinically presented with initial mean recession of 4.4 mm, mean area of recession of 10.5 mm and initial mean keratinized tissue width 4.2 mm. The results of this study had showed a mean coverage of the recession defects by 3.45 mm and a significant gain in keratinized tissue width of 0.8 mm post operatively at nine months. There was also a significant reduction in area of recession. The difference between the base line reading and post operative readings was both clinically and statistically significant. The mean percentage of root coverage was 79.75%. Conclusion: Resorbable membrane is a versatile treatment modality for coverage of isolated buccal gingival recession. Although membrane exposure occurred in four patients, it did not interfere with post operative healing.
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Commercially available analytical kits for the estimation of total antioxidant status are expensive and time-consuming. Most of the commercially available kits for total antioxidants estimation are based on the principle of suppression of ABTS radical cation formation by antioxidant in the serum sample. The method requires stringent assay conditions, like exact incubation time and the temperature (37 degrees C) of the reaction and on an average not more than 40 samples can be analyzed on a day. We have adapted the assay to a microplate, thereby allowing more number of samples to be analyzed per day. Further, the reagent volume required is one fourth than that for the original procedure thereby cutting cost. Thirty samples were analyzed by original method on spectrophotometer and our adapted microplate assay. The values of total antioxidant obtained by the two methods correlated well. Thus, total antioxidant can be estimated reliably using the microplate method.