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Ponni Sivaprakasam

City of Hope

Publishes on Hematopoietic Stem Cell Transplantation, Child Nutrition and Water Access, Dental Health and Care Utilization. 37 papers and 655 citations.

37Publications
655Total Citations

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Top publicationsby citations

Stress and stressors among medical undergraduate students: A cross-sectional study in a private medical college in Tamil Nadu
R Anuradha, Ruma Dutta, JDinesh Raja et al.|Indian Journal of Community Medicine|2017
Cited by 106Open Access

BACKGROUND: Medical education is perceived as being stressful, and a high level of stress may have a negative effect on cognitive functioning and learning of students in a medical school. OBJECTIVES: To (a) assess the perceived stress among medical undergraduate students, (b) identify the sources of stress, and (c) find an association of perceived stress with sociodemographic characteristics and various stressors. MATERIALS AND METHODS: year to final year were invited to participate in the study. Self-administered questionnaire was used to collect data regarding sociodemographic profile, perceived stress using perceived stress scale-14 and academic, psychosocial and environmental stressors. Descriptive statistics was used to describe the sociodemographic characteristics, sources of stress and perceived stress. Logistic regression analyses were carried out to assess determinants of stress. RESULTS: The overall response rate was 93.33% (700 out of 750 students). The mean perceived stress score was 25.64 ± 5.44. Higher age-group, year of studying bachelor of medicine and bachelor of surgery, vastness of academic curriculum, fear of poor performance in examination, lack of recreation, loneliness, family problem, and accommodation away from home were important determinants of perceived stress. CONCLUSIONS: The perceived stress was higher among higher age group and final year medical students. Academic, psychosocial, and environmental stressors are associated with perceived stress. Reframing the academic curriculum and examination patterns, incorporating recreational and sports activities, and establishment of counseling cells in the institution is needed.

Role of dietary habits and diet in caries occurrence and severity among urban adolescent school children
VC Punitha, A. Amudhan, Ponni Sivaprakasam et al.|Journal of Pharmacy And Bioallied Sciences|2015
Cited by 58Open Access

To identify the role of dietary habits (type of diet, skipping meals, snacking in-between meals and frequency of visits to fast food restaurants) in caries occurrence and severity. To explore the correlation between frequency of intake of selected foods and dental caries. A cross-sectional study was carried out on adolescent children (n = 916) of age 13-19, following a two-stage random sampling technique. Data were collected using a pretested questionnaire. Questionnaire included demographic details, dietary habits of children and food frequency table that listed selected food items. The dependent variable-dental caries was measured using the decayed, missing, filled teeth (DMFT) index. The prevalence of dental caries in this study population was 36.7% (95% confidence interval: 33.58-39.82). The mean DMFT was 1.01 (±1.74). No statistically significant difference found between caries occurrence and type of diet (P = 0.07), skipping meals (P = 0.86), frequency of eating in fast food stalls (0.86) and snacking in between meals (0.08). Mean DMFT values were higher among nonvegetarians and among children who had the habit of snacking in between meals. Frequency of intake of selected food items showed that mean frequency intake of carbonated drinks and confectionery was higher among children who presented with caries when compared to caries-free children (P = 0.000). Significant correlation found between mean DMFT and mean frequency intake of carbonated drinks and confectionery. Odds ratios were calculated for the same for frequency ≥4 times/day for confectionery and ≥4/week for carbonated drinks and results discussed. Frequent intake of carbonated drinks and confectionery is harmful to oral health that eventually reflects on general health. Educating the adolescent children on healthy dietary habits should be put in the forefront.

Improved Outcome From Invasive Adenovirus Infection in Pediatric Patients After Hemopoietic Stem Cell Transplantation Using Intensive Clinical Surveillance and Early Intervention
Ponni Sivaprakasam, Trevor F. Carr, Mary Coussons et al.|Journal of Pediatric Hematology/Oncology|2007
Cited by 50

Adenovirus is a common cause of morbidity and mortality after hemopoietic stem cell transplantation in children. Recently the incidence, risk factors, and outcome of such infections have been better defined using improved virologic detection methods, in particular polymerase chain reaction. We have introduced intensive virologic surveillance for adenovirus in our institution including at least weekly polymerase chain reaction testing of blood and stool samples. We report on 71 prospectively monitored transplants, including 40 from unrelated donors. In total, there were 8 cases of invasive adenovirus infection, 3 of whom died. Mortality was less than in previous studies as cases were managed with antiviral chemotherapy and reduction of immune suppression. In fatal cases, there was concurrent difficult graft versus host disease making withdrawal of immune suppression therapy impossible. We describe 2 cases of graft failure in association with adenovirus viremia and its treatment that were successfully managed with further donor cell infusion.