Flunarizine enhances functional recovery following sciatic nerve crush lesion in rats

We have used the rat sciatic nerve crush (SNC) injury model to assess the neuroprotective effects of flunarizine (FNZ), a calcium channel antagonist and a vasodilator. The animals were treated with FNZ for various durations following SNC (0.33 mg/kg per day, i.p). Employing the physical disector method, we quantitated the rates of neuron loss in the dorsal root ganglion and spinal cord and protective effects of FNZ. FNZ treatment following SNC reduced neuron loss up to 86.6 and 82.5% in DRG sensory and spinal cord motor neurons, respectively. Functional recovery following SNC with or without FNZ treatment was assessed using the measurements of the total, 1-5 and 2-4-toe spread to quantitate percentage relative toe spread in relation to the respective controls. FNZ provided a superior return of function, i.e. near absolute recovery of both sensory and motor functions in 4 weeks, which is consistent with its neuroprotective effects.     

Reduced Effectiveness of Interruptive Drug-Drug Interaction Alerts after Conversion to a Commercial Electronic Health Record

Background

Drug-drug interaction (DDI) alerts in electronic health records (EHRs) can help prevent adverse drug events, but such alerts are frequently overridden, raising concerns about their clinical usefulness and contribution to alert fatigue.

Objective

To study the effect of conversion to a commercial EHR on DDI alert and acceptance rates.

Design

Two before-and-after studies.

Participants

3277 clinicians who received a DDI alert in the outpatient setting.

Intervention

Introduction of a new, commercial EHR and subsequent adjustment of DDI alerting criteria.

Main Measures

Alert burden and proportion of alerts accepted.

Key Results

Overall interruptive DDI alert burden increased by a factor of 6 from the legacy EHR to the commercial EHR. The acceptance rate for the most severe alerts fell from 100 to 8.4%, and from 29.3 to 7.5% for medium severity alerts (P?<?0.001). After disabling the least severe alerts, total DDI alert burden fell by 50.5%, and acceptance of Tier 1 alerts rose from 9.1 to 12.7% (P?<?0.01).

Conclusions

Changing from a highly tailored DDI alerting system to a more general one as part of an EHR conversion decreased acceptance of DDI alerts and increased alert burden on users. The decrease in acceptance rates cannot be fully explained by differences in the clinical knowledge base, nor can it be fully explained by alert fatigue associated with increased alert burden. Instead, workflow factors probably predominate, including timing of alerts in the prescribing process, lack of differentiation of more and less severe alerts, and features of how users interact with alerts.

     

Management of sick children by health workers in Ballabgarh: lessons for implementation of IMCI in India

The aim of this study was to determine the impact of training of health workers in the management of pediatric morbidity in terms of reduction in infant mortality rate (IMR) a 2-year period in rural Ballabgarh with a present IMR of 37 per 1000 live births. The study was designed as a pre- and post-intervention trial. The intervention was started in November 1999 and the outcome measured for the years 2000 and 2001. A sample size of 4000 was estimated for a power of 80 per cent at 5 per cent significance level. The training of the workers was for 4 days and included didactics, video-films, patient demonstrations, etc. Data on under-fives' deaths and their causes using a verbal autopsy tool was done as a part of the routine data collection system. The workers management of pediatric morbidity was assessed based on the post-training knowledge gain, forms filled by them, and referrals seen at the secondary level. The knowledge of the workers on disease and their management improved after the initial training but reached a plateau at a 50 per cent score. A review of 948 forms showed that the workers' disease classification and management was not satisfactory, especially for pneumonia and sick neonates. It was better for fever, measles, dysentery, and diarrhoea. A review of 11 cases referred by workers confirmed this. There was no impact on IMR. A look at the cause of death revealed that malnutrition, diarrhoea, and pneumonia to be the main causes among post-neonatal deaths and birth-asphyxia and prematurity as the main cause of deaths in the neonates. While implementing Integrated Management of Childhood Illnesses (IMCI) in India through the health workers, increased emphasis needs to be placed on training and supervision. Community level issues, such as healthcare seeking, female neglect, etc., may limit the scope of reduction in IMR due to implementation of IMCI.     

Prevalence of dental caries among adults and elderly in an urban resettlement colony of New Delhi.

BACKGROUND: Dental caries remains the most important dental health problem in developing countries. In India the prevalence of dental caries is reported to be about 50-60%. Most of the Indian studies have been carried out in school children and very few in adults. This study aimed to estimate the prevalence of dental caries in the adult population (aged 35-44 years) and in the elderly (60 years and above) in an urban resettlement colony in New Delhi. METHODOLOGY: A community-based cross-sectional study was carried out in Dakshinpuri, New Delhi, from January to February 2007. A local adaptation of the WHO questionnaire was used. Oral examination was done and dentition status was recorded by trained investigators and according to the standard procedures. RESULTS: A total of 452 participants were enrolled in the study. The prevalence of dental caries in the 35-44 years age-group was 82.4% and it was 91.9% in those > or =60 years. The DMF index was 5.7 +/- 4.7 in the 35-44 years age-group and 13.8 +/- 9.6 in the > or =60 years age-group. Of the participants, 27.9% were currently using tobacco. A statistically significant association was found between tobacco consumption and dental caries ( P = 0.026). The awareness about good and bad dental practices was found to be low among the study participants. One-fifth of the individuals with dental problems relied on home remedies. CONCLUSION: The prevalence of dental caries among adults is high in this population. There is a need to generate awareness about oral health and the prevention of dental caries and to institute measures for the provision of dental care services at the primary level.     

Tuberculosis mimicked by melioidosis

BACKGROUND: In regions endemic for tuberculosis (TB) such as India, presumptive anti-tuberculosis treatment is often prescribed. Melioidosis, caused by Burkholderia pseudomallei, is underdiagnosed in India, due to lack of awareness and a low index of suspicion. SETTING: A tertiary care hospital in south India. OBJECTIVE: To present our analysis of a series of 22 cases of suspected TB that was later confirmed as melioidosis. DESIGN: Twenty-two patients with culture-proven melioidosis, who were initially given empirical anti-tuberculosis treatment, were retrospectively analysed regarding clinical presentation, laboratory findings and epidemiological features, with a view to determining any significant discriminatory parameter/s that would help distinguish the two diseases. RESULTS: Eight cases mimicked pulmonary TB, five tubercular arthritis, three tubercular spondylitis, two tubercular lymphadenitis, two splenic abscess, and one each mimicked tubercular pericarditis and parotid abscess. Fever was the chief presenting complaint; all had high erythrocyte sedimentation rate (ESR) values (mean 111 mm +/- 23.7 SD); 15 (68.2%) had neutrophilic leuco-cytosis, 20 (90.9%) had diabetes mellitus. Subsequent to laboratory culture reports confirming melioidosis, appropriate treatment was instituted. CONCLUSION: Fever in a diabetic patient with high ESR and neutrophilic leucocytosis should raise suspicion of melioidosis while instituting presumptive anti-tuberculosis treatment in areas where both diseases are prevalent.     

Spray-dried microparticles: a potential vehicle for oral delivery of vaccines

This study aims to formulate a microparticle-based system that protects the protein from the harsh gastric conditions and also provides appropriate uptake via M cells for desired immune response upon oral administration. The formulation was derived using a valid statistical model, analysed by JMP? (SAS). The average size and charge of the resulting microparticles were 1.51?±?0.125?μm and?+?15.7?±?2.5?mV, respectively. Moreover, the particles provided a prolonged release over a period of 8?hrs which ensures M-cell uptake of intact particle with antigen (Kunisawa et?al., 2011). This was further supported with in?vivo studies where particle uptake was found in Peyer's patches of small intestine when observed for 8?h. Thus, these microparticles can be used as an efficient vaccine delivery vehicle upon oral administration.     

How good is compliance with surgical antibiotic prophylaxis guidelines in a tertiary care private hospital in India? A prospective study

Purpose  

There is a need to study compliance with surgical antibiotic prophylaxis guidelines in India.