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A study of knowledge, attitudes, and practice of dental doctors about adverse drug reaction reporting in a teaching hospital in India

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      Objective:The aim was to investigate the knowledge, attitudes, and practice of dental doctors about adverse drug reaction (ADR) reporting.Materials and Methods:In a cross-sectional study, questionnaire was administered to 95 dental doctors working in a teaching dental hospital attached to a medical college with an ADR monitoring center (AMC).Statistical Analysis Used:Descriptive statistics were used to analyze responses. The association of knowledge and attitude with respect to position of dentists was analyzed with Chi-square test.Results:The response rate and spontaneous reporting rate was found to be 61.0% and 13.7%, respectively. Important factors contributing to under reporting of ADRs include lack of awareness about AMC in the institute (81.0%) and pharmacovigilance program (72.4%), complacency (67.2%), lack of training to identify ADRs (65.5%), fear factor (63.7%), lethargy (58.6%), lack of risk perception of over the counter product related ADR (39.6%), inadequate risk perception of nonallopathic and herbal medicines (31%), indifference (27.5%) and concern that report may be wrong (27.5%). No significant difference in knowledge and attitudes of doctors with respect to position was found except for reporting of ADRs of newly marketed drugs and serious reactions to established product (P < 0.05).Conclusion:The deficiencies in knowledge and attitudes appear to be the underlying factor for under reporting by dental practitioners. It should be addressed urgently in order to increase spontaneous reporting by them.

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      Most cited references 29

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      Incidence of adverse drug reactions in hospitalized patients: a meta-analysis of prospective studies.

      To estimate the incidence of serious and fatal adverse drug reactions (ADR) in hospital patients. Four electronic databases were searched from 1966 to 1996. Of 153, we selected 39 prospective studies from US hospitals. Data extracted independently by 2 investigators were analyzed by a random-effects model. To obtain the overall incidence of ADRs in hospitalized patients, we combined the incidence of ADRs occurring while in the hospital plus the incidence of ADRs causing admission to hospital. We excluded errors in drug administration, noncompliance, overdose, drug abuse, therapeutic failures, and possible ADRs. Serious ADRs were defined as those that required hospitalization, were permanently disabling, or resulted in death. The overall incidence of serious ADRs was 6.7% (95% confidence interval [CI], 5.2%-8.2%) and of fatal ADRs was 0.32% (95% CI, 0.23%-0.41%) of hospitalized patients. We estimated that in 1994 overall 2216000 (1721000-2711000) hospitalized patients had serious ADRs and 106000 (76000-137000) had fatal ADRs, making these reactions between the fourth and sixth leading cause of death. The incidence of serious and fatal ADRs in US hospitals was found to be extremely high. While our results must be viewed with circumspection because of heterogeneity among studies and small biases in the samples, these data nevertheless suggest that ADRs represent an important clinical issue.
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        Adverse Drug Reactions in Hospital In-Patients: A Prospective Analysis of 3695 Patient-Episodes

        Adverse drug reactions (ADRs) are a major cause of hospital admissions, but recent data on the incidence and clinical characteristics of ADRs which occur following hospital admission, are lacking. Patients admitted to twelve wards over a six-month period in 2005 were assessed for ADRs throughout their admission. Suspected ADRs were recorded and analysed for causality, severity and avoidability and whether they increased the length of stay. Multivariable analysis was undertaken to identify the risk factors for ADRs. The 5% significance level was used when assessing factors for inclusion in multivariable models. Out of the 3695 patient episodes assessed for ADRs, 545 (14.7%, 95% CI 13.6–15.9%) experienced one or more ADRs. Half of ADRs were definitely or possibly avoidable. The patients experiencing ADRs were more likely to be older, female, taking a larger number of medicines, and had a longer length of stay than those without ADRs. However, the only significant predictor of ADRs, from the multivariable analysis of a representative sample of patients, was the number of medicines taken by the patient with each additional medication multiplying the hazard of an ADR episode by 1.14 (95% CI 1.09, 1.20). ADRs directly increased length of stay in 147 (26.8%) patients. The drugs most frequently associated with ADRs were diuretics, opioid analgesics, and anticoagulants. In conclusion, approximately one in seven hospital in-patients experience an ADR, which is a significant cause of morbidity, increasing the length of stay of patients by an average of 0.25 days/patient admission episode. The overall burden of ADRs on hospitals is high, and effective intervention strategies are urgently needed to reduce this burden.
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          Which drugs cause preventable admissions to hospital? A systematic review.

          Previous systematic reviews have found that drug-related morbidity accounts for 4.3% of preventable hospital admissions. None, however, has identified the drugs most commonly responsible for preventable hospital admissions. The aims of this study were to estimate the percentage of preventable drug-related hospital admissions, the most common drug causes of preventable hospital admissions and the most common underlying causes of preventable drug-related admissions. Bibliographic databases and reference lists from eligible articles and study authors were the sources for data. Seventeen prospective observational studies reporting the proportion of preventable drug-related hospital admissions, causative drugs and/or the underlying causes of hospital admissions were selected. Included studies used multiple reviewers and/or explicit criteria to assess causality and preventability of hospital admissions. Two investigators abstracted data from all included studies using a purpose-made data extraction form. From 13 papers the median percentage of preventable drug-related admissions to hospital was 3.7% (range 1.4-15.4). From nine papers the majority (51%) of preventable drug-related admissions involved either antiplatelets (16%), diuretics (16%), nonsteroidal anti-inflammatory drugs (11%) or anticoagulants (8%). From five studies the median proportion of preventable drug-related admissions associated with prescribing problems was 30.6% (range 11.1-41.8), with adherence problems 33.3% (range 20.9-41.7) and with monitoring problems 22.2% (range 0-31.3). Four groups of drugs account for more than 50% of the drug groups associated with preventable drug-related hospital admissions. Concentrating interventions on these drug groups could reduce appreciably the number of preventable drug-related admissions to hospital from primary care.

            Author and article information

            Department of Pharmacology, Sri Aurobindo Medical College and PG Institute, Indore, Madhya Pradesh, India
            Author notes
            Address for correspondence: Dr. Sarfaraz Alam Khan, Associate Professor, Department of Pharmacology, Sri Aurobindo Medical College and PG Institute, Indore - 453 555, Madhya Pradesh, India. E-mail: emailsarfaraz74@
            Perspect Clin Res
            Perspect Clin Res
            Perspectives in Clinical Research
            Medknow Publications & Media Pvt Ltd (India )
            Jul-Sep 2015
            : 6
            : 3
            : 144-149
            Copyright: © Perspectives in Clinical Research

            This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

            Original Article


            spontaneous reporting, pharmacovigilance, knowledge, dental doctors, awareness


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