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Inappropriate antibiotic use greatly accelerates antimicrobial resistance. The appropriateness of antibiotic prescriptions is well evaluated, using big observational data, in some high-income countries, whereas the evidence of this appropriateness is scarce in China. We aimed to assess the appropriateness of antibiotic prescriptions in ambulatory care settings in China to inform future antimicrobial stewardship. We used data from the Beijing Data Center for Rational Use of Drugs, which was a national database designed for monitoring rationality of drug use. 139 hospitals that uploaded diagnosis and prescription information were included from 28 provincial-level regions of mainland China. Outpatient prescriptions were classified as appropriate, potentially appropriate, inappropriate, or not linked to any diagnosis for antibiotic use by following a published classification scheme. Antibiotic prescription rates for various diagnosis categories and proportions of inappropriate antibiotic prescriptions for different subgroups were estimated. Antibiotic prescribing patterns and proportions of individual antibiotics prescribed for different diagnosis categories were analysed and reported. Between Oct 1, 2014, and April 30, 2018, 18 848 864 (10·9%) of 172 704 117 outpatient visits ended with antibiotic prescriptions. For conditions for which antibiotic use was appropriate, potentially appropriate, and inappropriate, 42·2%, 30·6%, and 7·6% of visits were associated with antibiotic prescriptions, respectively. Of all 18 848 864 antibiotic prescriptions, 9 689 937 (51·4%) were inappropriate, 5 354 224 (28·4%) were potentially appropriate, 2 893 102 (15·3%) were appropriate, and 911 601 (4·8%) could not be linked to any diagnosis. A total of 23 266 494 individual antibiotics were prescribed, of which 18 620 086 (80·0%) were broad-spectrum and the top four most prescribed antibiotics were third-generation cephalosporins (5 056 058 [21·7%]), second-generation cephalosporins (3 823 410 [16·4%]), macrolides (3 554 348 [15·3%]), and fluoroquinolones (3 285 765 [14·1%]). Inappropriate antibiotic prescribing was highly prevalent nationwide in China. Over half of the antibiotic prescriptions were inappropriate in secondary-level and tertiary-level hospitals, suggesting an urgent need for outpatient antibiotic stewardship aimed at optimising antibiotic prescribing to achieve the goals set in China's 2016 national action plan to contain antimicrobial resistance. The National Natural Science Foundation of China.

Differentiating acute bacterial infection from other causes of lower respiratory tract illness is challenging. In this trial, procalcitonin was investigated as a point-of-care test to aid in determining whether antibiotics were needed in the treatment of these illnesses.

In this analysis involving Medicare patients seen in emergency departments, rates of opioid prescribing varied widely among emergency physicians. Patients seen by physicians who prescribed opioids more frequently were more likely to use opioids on a long-term basis. Rates of opioid prescribing and opioid-related overdose deaths have quadrupled in the United States over the past three decades. 1 – 3 This epidemic has increasingly affected the elderly Medicare population, among whom rates of hospitalization for opioid overdoses quintupled from 1993 through 2012. 4 – 6 The risks of opioid use are particularly pronounced among the elderly, who are vulnerable to their sedating side effects, even at therapeutic doses. 7 Multiple studies have shown increased rates of falls, fractures, and death from any cause associated with opioid use in this population. 8 – 11 Even short-term opioid use may confer a predisposition to these side effects . . .

To assess the appropriateness of outpatient antibiotic prescribing for privately insured children and non-elderly adults in the US using a comprehensive classification scheme of diagnosis codes in ICD-10-CM (international classification of diseases-clinical modification, 10th revision), which replaced ICD-9-CM in the US on 1 October 2015. Cross sectional study. MarketScan Commercial Claims and Encounters database, 2016. 19.2 million enrollees aged 0-64 years. A classification scheme was developed that determined whether each of the 91 738 ICD-10-CM diagnosis codes \"always,\" \"sometimes,\" or \"never\" justified antibiotics. For each antibiotic prescription fill, this scheme was used to classify all diagnosis codes in claims during a look back period that began three days before antibiotic prescription fills and ended on the day fills occurred. The main outcome was the proportion of fills in each of four mutually exclusive categories: \"appropriate\" (associated with at least one \"always\" code during the look back period, \"potentially appropriate\" (associated with at least one \"sometimes\" but no \"always\" codes), \"inappropriate\" (associated only with \"never\" codes), and \"not associated with a recent diagnosis code\" (no codes during the look back period). The cohort (n=19 203 264) comprised 14 571 944 (75.9%) adult and 9 935 791 (51.7%) female enrollees. Among 15 455 834 outpatient antibiotic prescription fills by the cohort, the most common antibiotics were azithromycin (2 931 242, 19.0%), amoxicillin (2 818 939, 18.2%), and amoxicillin-clavulanate (1 784 921, 11.6%). Among these 15 455 834 fills, 1 973 873 (12.8%) were appropriate, 5 487 003 (35.5%) were potentially appropriate, 3 592 183 (23.2%) were inappropriate, and 4 402 775 (28.5%) were not associated with a recent diagnosis code. Among the 3 592 183 inappropriate fills, 2 541 125 (70.7%) were written in office based settings, 222 804 (6.2%) in urgent care centers, and 168 396 (4.7%) in emergency departments. In 2016, 2 697 918 (14.1%) of the 19 203 264 enrollees filled at least one inappropriate antibiotic prescription, including 490 475 out of 4 631 320 children (10.6%) and 2 207 173 out of 14 571 944 adults (15.2%). Among all outpatient antibiotic prescription fills by 19 203 264 privately insured US children and non-elderly adults in 2016, 23.2% were inappropriate, 35.5% were potentially appropriate, and 28.5% were not associated with a recent diagnosis code. Approximately 1 in 7 enrollees filled at least one inappropriate antibiotic prescription in 2016. The classification scheme could facilitate future efforts to comprehensively measure outpatient antibiotic appropriateness in the US, and it could be adapted for use in other countries that use ICD-10 codes.

Introduction It is currently admitted that adverse drug reactions (ADRs) account for a great burden of disease. Of particular concern are ADR-induced hospital admissions, particularly in the elderly; they receive most of the medications and they are the most prone to develop ADRs. Therefore, our aim was to carry out a study of ADR-induced hospital admissions focused on the elderly population. Methods For the purpose, a systematic review and meta-analysis was performed of those studies addressing ADR-induced hospital admissions in patients over 60 years of age. A computerized search of the literature was carried out in the main databases. The search spans from 1988 to 2015. A pooled prevalence figure was calculated with 95% CIs; heterogeneity was also explored. Results The final number of selected articles was 42; all of them were published between January 1988 and August 2015. The overall average percentage of hospital admissions was 8.7% (95% CI, 7.6–9.8%). NSAIDs are one of the medication classes more frequently related to these admissions (percentages range from 2.3 to 33.3%). Inappropriate medication as a risk factor was studied in nine studies, four found a statistically significant relationship between those medications and hospital admissions. Conclusions Circa one in ten hospital admissions of older patients are due to ADRs. A great burden of disease is due to a few and identifiable medication classes; in most of the cases, the reactions are well known and probably preventable. A sense of purpose and determination is needed by health authorities to face this problem. Doctors, on their part, should be aware when prescribing some specific identifiable medications to these patients. Key points One in ten hospital admissions in older patients are due to ADRs; NSAIDs are the medications the most related with these admissions, followed by other common medications used in patients of this age, such as beta-blockers. A great burden of disease is due to medications that are intended to cure or alleviate disease; this burden of disease is not only painful for the patients but also costly . Identified risk factors are particular medication classes and polymedication. In most of the cases, reactions are probably preventable .

Polypharmacy, potentially inappropriate medications and anticholinergic burden (as assessed by the anticholinergic risk scale) are commonly used as quality indicators of pharmacotherapy in older adults. However, their role in clinical practice is undefined. We sought to investigate longitudinal changes in these indicators and their effects on clinical outcomes. We used Taiwan’s Longitudinal Health Insurance Database to retrieve quarterly information about drug use for people aged 65 years and older over a 10-year period. We analyzed the association between indicators and all-cause admission to hospital, fracture-specific admission to hospital and death using generalized estimating equations. The study cohort comprised 59 042 older adults (65–74 yr: 39 358 [66.7%], 75–84 yr: 16 903 [28.6%], and ≥ 85 yr: 2781 [4.7%]). The mean changes in polypharmacy over the course of the study were greatest among patients aged 65–74 years (absolute difference +2.14, 95% confidence interval [CI] 2.10–2.19), then among those aged 75–84 yr (+1.79, 95% CI 1.70–1.88), and finally those aged 85 years and older (+0.71, 95% CI 0.36–1.05). The number of potentially inappropriate medications increased among patients aged 65–74 years (+0.16 [0.15–0.18]) and 75–84 years (+0.09 [0.06–0.08]), but decreased in those aged 85 years and older (−0.15 [−0.26 to −0.04]). Polypharmacy, potentially inappropriate medications and anticholinergic risk scale were each associated with an increased risk of admission to hospital, but not with death. In addition, both polypharmacy (5–9 drugs: odds ratio [OR] 1.18, 95% CI 1.12–1.24; ≥ 10 drugs: OR 1.54, 95% CI 1.42–1.66) and anticholinergic burden (score 1–2: 1.39, 95% CI 1.31–1.48; ≥ 3: 1.53, 95% CI 1.41–1.66) showed dose–response relations with fracture-specific admission to hospital. The total number of drugs taken (polypharmacy), number of potentially inappropriate medications and anticholinergic risk changed during follow-up and varied across age groups in this cohort of older adult patients. These indicators showed dose–response relations with admission to hospital, but not with death.

Primary care practices in Scotland were randomly assigned to various start dates for an intervention with financial incentives to review patients at high risk for adverse effects from antiplatelet agents or NSAIDs. The intervention was associated with reduced high-risk prescribing. High-risk prescribing and preventable drug-related complications in primary care are major concerns for health care systems internationally. 1 – 7 Up to 4% of emergency hospital admissions are caused by preventable adverse drug events, 8 – 10 and in the United States, the cost of avoidable drug-related hospital admissions, emergency department attendances, and outpatient visits was estimated at $19.6 billion in 2013. 11 The majority of drug-related emergency admissions are caused by commonly prescribed drugs, with substantial contributions from nonsteroidal antiinflammatory drugs (NSAIDs) and antiplatelet medications because of gastrointestinal, cardiovascular, and renal adverse drug events. 4 , 5 , 7 , 8 Despite routine public reporting of a number . . .

Over the past two decades, as the prevalence of chronic pain and health care costs have exploded, an opioid epidemic with adverse consequences has escalated. Efforts to increase opioid use and a campaign touting the alleged undertreatment of pain continue to be significant factors in the escalation. Many arguments in favor of opioids are based solely on traditions, expert opinion, practical experience and uncontrolled anecdotal observations. Over the past 20 years, the liberalization of laws governing the prescribing of opioids for the treatment of chronic non-cancer pain by the state medical boards has led to dramatic increases in opioid use. This has evolved into the present stage, with the introduction of new pain management standards by the Joint Commission on the Accreditation of Healthcare Organizations (JCAHO) in 2000, an increased awareness of the right to pain relief, the support of various organizations supporting the use of opioids in large doses, and finally, aggressive marketing by the pharmaceutical industry. These positions are based on unsound science and blatant misinformation, and accompanied by the dangerous assumptions that opioids are highly effective and safe, and devoid of adverse events when prescribed by physicians. Results of the 2010 National Survey on Drug Use and Health (NSDUH) showed that an estimated 22.6 million, or 8.9% of Americans, aged 12 or older, were current or past month illicit drug users, The survey showed that just behind the 7 million people who had used marijuana, 5.1 million had used pain relievers. It has also been shown that only one in 6 or 17.3% of users of non-therapeutic opioids indicated that they received the drugs through a prescription from one doctor. The escalating use of therapeutic opioids shows hydrocodone topping all prescriptions with 136.7 million prescriptions in 2011, with all narcotic analgesics exceeding 238 million prescriptions. It has also been illustrated that opioid analgesics are now responsible for more deaths than the number of deaths from both suicide and motor vehicle crashes, or deaths from cocaine and heroin combined. A significant relationship exists between sales of opioid pain relievers and deaths. The majority of deaths (60%) occur in patients when they are given prescriptions based on prescribing guidelines by medical boards, with 20% of deaths in low dose opioid therapy of 100 mg of morphine equivalent dose or less per day and 40% in those receiving morphine of over 100 mg per day. In comparison, 40% of deaths occur in individuals abusing the drugs obtained through multiple prescriptions, doctor shopping, and drug diversion. The purpose of this comprehensive review is to describe various aspects of crisis of opioid use in the United States. The obstacles that must be surmounted are primarily inappropriate prescribing patterns, which are largely based on a lack of knowledge, perceived safety, and inaccurate belief of undertreatment of pain. Key words: Opioid abuse, opioid misuse, nonmedical use of psychotherapeutic drugs, nonmedical use of opioids, National Survey on Drug Use and Health, opioid guidelines.

Background Inappropriate medication use is common in the elderly and the risks associated with their use are well known. The term deprescribing has been utilised to describe the complex process that is required for the safe and effective cessation of inappropriate medications. Given the primacy of the consumer in health care, their views must be central in the development of any deprescribing process. Objectives The aim of this study was to identify barriers and enablers that may influence a patient’s decision to cease a medication. Data sources A systematic search of MEDLINE, International Pharmaceutical Abstracts, EMBASE, CINAHL, Informit and Scopus was conducted and augmented with a manual search. Numerous search terms relating to withdrawal of medications and consumers’ beliefs were utilised. Study eligibility criteria Articles were included if the barriers or enablers were directly patient/carer reported and related to long-term medication(s) that they were currently taking or had recently ceased. Study appraisal and synthesis methods Determination of relevance and data extraction was performed independently by two reviewers. Content analysis with coding was utilised for synthesis of results. Results Twenty-one articles met the criteria and were included in the review. Three themes, disagreement/agreement with ‘appropriateness’ of cessation, absence/presence of a ‘process’ for cessation, and negative/positive ‘influences’ to cease medication, were identified as both potential barriers and enablers, with ‘fear’ of cessation and ‘dislike’ of medications as a fourth barrier and enabler, respectively. The most common barrier/enabler identified was ‘appropriateness’ of cessation, with 15 studies identifying this as a barrier and 18 as an enabler. Conclusions and implications of key findings The decision to stop a medication by an individual is influenced by multiple competing barriers and enablers. Knowledge of these will aid in the development of a deprescribing process, particularly in approaching the topic of cessation with the patient and what process should be utilised. However, further research is required to determine if the proposed patient-centred deprescribing process will result in improved patient outcomes.

Polypharmacy and inappropriate drug use cause numerous complications, such as cognitive impairment, frailty, falls, and functional dependence. The present study aimed to determine the effect of the comprehensive geriatric assessment (CGA) on polypharmacy, potentially inappropriate medications (PIMs) and potential prescribing omissions (PPOs), and to evaluate the economic reflections of medication changes. One thousand five hundred and seventy-nine older patients, who had undergone CGA, were retrospectively evaluated. The drugs, drug groups, and number of drugs that the patients used were recorded. Appropriate drug therapy was identified by both CGA and STOPP/START criteria. Based on these criteria, PIMs were discontinued and PPOs were started. The monthly cost of these drugs was calculated separately for PIMs and PPOs by using the drugstore records. After CGA, while the prevalence of non-polypharmacy was increased from 43.3% to 65.6%, the prevalence of polypharmacy and hyperpolypharmacy was decreased from 56.7% to 34.4% and 12.0% to 3.6%, respectively. The three most common PIMs discontinued were proton pump inhibitors, anti-dementia drugs, and antipsychotics, respectively. However, the most common PPOs started were vitamin D and B12 supplements, and anti-depressants. After CGA, monthly saved total per capita cost of PIMs was US$12.8 and monthly increased total per capita cost of PPOs was $5.6. It was demonstrated that prevalence of polypharmacy, PIM, and PPO could be decreased by CGA including START/STOPP criteria in older adults. Furthermore, this will have beneficial effects on economical parameters due to decreasing drug-related health care costs.