Epidemiology of overdose episodes from the period prior to hospitalization for drug poisoning until discharge in Japan: An exploratory descriptive study using a nationwide claims database

Okumura, Yasuyuki; Sakata, Nobuchika; Takahashi, Kunihiko; Nishi, Daisuke; Tachimori, Hisateru

doi:10.1016/j.je.2016.08.010

Cited by 62 publications

(52 citation statements)

References 30 publications

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“…Since 2011, it has been possible for researchers to use the NDB for identifying accurate evidence on which promotion of policies may be based, with the aim of improving the quality of medical services, or for conducting analysis and research that are useful for these policies, and for advancing academic research. The NDB covers almost all patients who have received medical care services under the universal health insurance system, but does not include medical services that are not covered under this system . We used datasets from a policy research group's study entitled ‘Policy research for promoting functional reinforcement of the psychiatric care provision system’ to extract data in line with our objectives and to create a separate dataset for our retrospective study.…”

Section: Methodsmentioning

confidence: 99%

“…The NDB covers almost all patients who have received medical care services under the universal health insurance system, but does not include medical services that are not covered under this system. 22 We used datasets from a policy research group's study entitled 'Policy research for promoting functional reinforcement of the psychiatric care provision system' to extract data in line with our objectives and to create a separate dataset for our retrospective study.…”

Section: Data Sourcementioning

confidence: 99%

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Retracted: National database study on the use of long‐acting antipsychotic injections and hospital readmission proportions in patients with schizophrenia in Japan

Usuki

Kamiura

Okubo

et al. 2020

Psychiatry Clin Neurosci

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Aim It is important to investigate the current prescription status and clinical outcomes of patients with schizophrenia receiving long‐acting antipsychotic injections. We aimed to determine the prescription proportion of long‐acting antipsychotic injections and hospital readmission proportions of patients with schizophrenia in Japan. Methods An open dataset was created using data from the National Database of Health Insurance Claims and Specific Health Checkups of Japan. Patient records with the term ‘schizophrenia’ were included. In Analysis 1, antipsychotic prescription proportions were determined for outpatients who had visited psychiatric facilities between 1 February 2015 and 31 March 2017. In Analysis 2, patients who had been discharged from a psychiatric facility and had received a long‐acting antipsychotic injection prescription within 90 days after initial discharge were selected; then, their readmission proportion was examined for 365 days after the initial discharge. Results The long‐acting antipsychotic injection prescription proportion was 3.5% for outpatients with schizophrenia receiving antipsychotics. The readmission proportion was 41.0% in the entire patient population, 36.2% in patients receiving typical long‐acting antipsychotic injections alone, and 23.5% in patients receiving atypical long‐acting antipsychotic injections alone. Conclusion Long‐acting antipsychotic injections are not yet widely used in Japan. The readmission proportion was lower in the patients receiving atypical than typical long‐acting antipsychotics injections. The results may provide important basic information to develop new future research questions but should be interpreted with caution because generalizability may be limited by the use of aggregated data and the data structure of the database used.

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Section: Methodsmentioning

confidence: 99%

Section: Data Sourcementioning

confidence: 99%

Retracted: National database study on the use of long‐acting antipsychotic injections and hospital readmission proportions in patients with schizophrenia in Japan

Usuki

Kamiura

Okubo

et al. 2020

Psychiatry Clin Neurosci

View full text Add to dashboard Cite

show abstract

“…This was a retrospective observational cohort study carried out using data from the National Database of Health Insurance Claims in Japan. The details of this database have been described elsewhere. Briefly, it is an all‐patient administrative claims database developed by Japan's Ministry of Health, Labour and Welfare that covers more than 126 million people and 1·9 billion claims annually.…”

Section: Methodsmentioning

confidence: 99%

Preoperative oral care and effect on postoperative complications after major cancer surgery

Ishimaru

Matsui

Ono

et al. 2018

British Journal of Surgery

105

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“…Drug poisoning or overdosing, whether accidental or intentional, is a major cause of comorbidity and mortality worldwide. In Japan, it is reported that >20,000 people are admitted to hospitals because of drug poisoning annually . It is reportedly the major cause of emergency admissions in Japan, the USA, and other countries…”

Section: Introductionmentioning

confidence: 99%

Intentional or unintentional drug poisoning in elderly people: retrospective observational study in a tertiary care hospital in Japan

Haoka

Sakata

Okamoto

et al. 2019

Acute Medicine & Surgery

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Aim Intentional or unintentional acute drug poisoning occurs even in elderly people, but little is known about the factors influencing the intention to poisoning. A retrospective study was undertaken to describe the characteristics of acute drug poisoning in elderly people according to whether the poisoning was intentional or unintentional and the responsible agents. Methods The study was carried out in a single tertiary hospital in Japan. A total of 145 patients aged ≥65 years who were transferred by an ambulance service and were diagnosed with acute drug poisoning were included. Medical records were used to collect information on the intention behind poisoning and the responsible agents. Patients were divided into two groups according to whether they experienced intentional or unintentional poisoning and were further classified according to the responsible agent. Multivariable logistic regression models were used to estimate the association between hospitalization for acute drug poisoning and the use of benzodiazepine receptor agonists (BzRAs). Results Poisoning was unintentional in 102 (70.3%) patients and intentional in 43 (29.7%) patients. In total, 65 (44.8%) patients required hospitalization. Among patients in the unintentional poisoning group, those using non‐BzRAs were more likely to be hospitalized than those using BzRAs (odds ratio, 6.64; 95% confidence interval, 2.56–17.22). The length of hospital stay was significantly longer in the unintentional poisoning group than in the intentional poisoning group (13.9 vs. 6.2 days; P = 0.013). Conclusions The proportion of unintentional poisoning in the elderly is high, and particularly with respect to poisoning with non‐BzRAs, the hospitalization rates are high.

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Epidemiology of overdose episodes from the period prior to hospitalization for drug poisoning until discharge in Japan: An exploratory descriptive study using a nationwide claims database

Cited by 62 publications

References 30 publications

Retracted: National database study on the use of long‐acting antipsychotic injections and hospital readmission proportions in patients with schizophrenia in Japan

Retracted: National database study on the use of long‐acting antipsychotic injections and hospital readmission proportions in patients with schizophrenia in Japan

Preoperative oral care and effect on postoperative complications after major cancer surgery

Intentional or unintentional drug poisoning in elderly people: retrospective observational study in a tertiary care hospital in Japan

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