Aim To assess whether Dual Rinse HEDP, an etidronate that can be combined with NaOCl to create an endodontic irrigating solution containing both hypochlorite and a chelator in the form of 1‐hydroxyethane 1,1‐diphosphonic acid (HEDP), alters the clinical efficacy of NaOCl or adds any untoward clinical effects. Methodology In this randomized controlled double‐blind single‐centre trial, a pure NaOCl solution was compared to a HEDP‐containing counterpart regarding antimicrobial efficacy, postoperative pain, and the host response by means of changes in MMP‐9 levels in periapical fluid. Sixty patients presenting with asymptomatic apical periodontitis (one tooth each) were randomly divided into two groups (N = 30) based on irrigation regime. Pre‐ and post‐treatment microbial aerobic and anaerobic cultures and MMP‐9/total protein (TP) periapical fluid samples were collected. Postoperative pain levels were assessed 24 h after treatment. Categorical data were compared between groups using the Fisher's exact test, continuous data using the Wilcoxon signed‐rank test, α = 0.05. Results Irrigation with pure NaOCl rendered 40% canals free of culturable microorganisms, compared to 50% with the NaOCl/HEDP mixture (P = 0.60). As assessed by matrix‐assisted laser desorption/ionization‐time‐of‐flight analysis (MALDI‐TOF), no apparent selection of aerobic or anaerobic taxa occurred in either group. One patient in the NaOCl group experienced moderate pain, whilst two patients in the NaOCl/HEDP group experienced mild postoperative pain. MMP‐9/TP levels in periapical fluid declined significantly (P < 0.001) after 1 week with no medication in the root canal, without significant difference between treatment groups (P > 0.05). Conclusions This trial found no influence of HEDP on clinical NaOCl effects.
Introduction. Preterm birth is the leading cause of newborn deaths and the second leading cause of death in children under five years old. Three-quarters of them could be saved with current, cost-effective interventions. The aim of this study was to identify the risk factors of preterm birth in a secondary care hospital in Southern India. Methods. In the case-control study, records of 153 antenatal women with preterm birth were included as cases. Age matched controls were women who had a live birth after 37 weeks of gestational age. Gestational age at delivery and associated risk factors were analyzed. Results. The preterm birth rate was 5.8%. Common risk factors associated with preterm birth were hypertensive disorders of pregnancy (21.4%), height <1.50 m (16.8%), premature rupture of membranes (17.5%), and fetal distress (14.9%). Mean birth weight for preterm babies was 2452 grams while the birth weight for term babies was 2978 grams. Conclusion. The commonest obstetrical risk factor for preterm birth was hypertensive disorders of pregnancy and nonobstetrical risk factor was height <1.50 m. The percentage of preterm birth was low, comparable to developing countries.
Anaemia in pregnancy is still a concern during the reproductive period, as it is associated with increased maternal and perinatal mortality and morbidity. This study examined the maternal risk factors associated with increased prevalence of anaemia among antenatal and postnatal women. A prospective-retrospective cohort approach was carried out among 1,077 antenatal and 1,000 postnatal women. The haemoglobin was estimated using the cyanmethaemoglobin method. The maternal factors included were age, parity, education, socioeconomic status, spacing, history of bleeding, worm infestation, period of gestation, knowledge regarding anaemia in pregnancy, food selection ability and compliance to iron supplementation. Of the 1,077 antenatal women studied, 540 were anaemic. Among the 1,000 postnatal women, the prevalence was 537 (53.7%). The high prevalence was strongly associated with low socioeconomic status (OR 1.409 [1.048-1.899]; p < 0.023) which affected their knowledge and health seeking behaviour in both the groups. Hence it can be concluded that empowering women in terms of education and economic status is the key factor in combating anaemia in pregnancy to prevent the vicious cycle of associated problems.
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