Joke C. Korevaar

Inappropriateness of medication prescriptions to elderly patients in the primary care setting: a systematic review

Background Inappropriate medication prescription is a common cause of preventable adverse drug events among elderly persons in the primary care setting. Objective The aim of this systematic review is to quantify the extent of inappropriate prescription to elderly persons in the primary care setting. Methods We systematically searched Ovid-Medline and Ovid-EMBASE from 1950 and 1980 respectively to March 2012. Two independent reviewers screened and selected primary studies published in English that measured (in)appropriate medication prescription among elderly persons (>65 years) in the primary care setting. We extracted data sources, instruments for assessing medication prescription appropriateness, and the rate of inappropriate medication prescriptions. We grouped the reported individual medications according to the Anatomical Therapeutic and Chemical (ATC) classification and compared the median rate of inappropriate medication prescription and its range within each therapeutic class. Results We included 19 studies, 14 of which used the Beers criteria as the instrument for assessing appropriateness of prescriptions. The median rate of inappropriate medication prescriptions (IMP) was 20.5% [IQR 18.1 to 25.6%.]. Medications with largest median rate of inappropriate medication prescriptions were propoxyphene 4.52(0.10–23.30)%, doxazosin 3.96 (0.32 15.70)%, diphenhydramine 3.30(0.02–4.40)% and amitriptiline 3.20 (0.05–20.5)% in a decreasing order of IMP rate. Available studies described unequal sets of medications and different measurement tools to estimate the overall prevalence of inappropriate prescription. Conclusions Approximately one in five prescriptions to elderly persons in primary care is inappropropriate despite the attention that has been directed to quality of prescription. Diphenhydramine and amitriptiline are the most common inappropriately prescribed medications with high risk adverse events while propoxyphene and doxazoxin are the most commonly prescribed medications with low risk adverse events. These medications are good candidates for being targeted for improvement e.g. by computerized clinical decision support.

Effectiveness of melatonin treatment on circadian rhythm disturbances in dementia. Are there implications for delirium? : A systematic review

Circadian rhythm disturbances, like sundowning, are seen in dementia. Because the circadian rhythm is regulated by the biological clock, melatonin might be effective in the treatment of these disturbances. We systematically studied the effect of melatonin treatment in patients with dementia. In addition, we elaborate on the possible effects one might expect of melatonin treatment in patients with delirium, since dementia and delirium are strongly related. Moreover, some evidence exists that sundowning in patients with dementia and the alterations in the sleep/wake cycle, seen in patients with delirium both originate from circadian rhythm disturbances.

The Prevalence of Disease Clusters in Older Adults with Multiple Chronic Diseases – A Systematic Literature Review

Background Since most clinical guidelines address single diseases, treatment of patients with multimorbidity, the co-occurrence of multiple (chronic) diseases within one person, can become complicated. Information on highly prevalent combinations of diseases can set the agenda for guideline development on multimorbidity. With this systematic review we aim to describe the prevalence of disease combinations (i.e. disease clusters) in older patients with multimorbidity, as assessed in available studies. In addition, we intend to acquire information that can be supportive in the process of multimorbidity guideline development. Methods We searched MEDLINE, Embase and the Cochrane Library for all types of studies published between January 2000 and September 2012. We included empirical studies focused on multimorbidity or comorbidity that reported prevalence rates of combinations of two or more diseases. Results Our search yielded 3070 potentially eligible articles, of which 19 articles, representing 23 observational studies, turned out to meet all our quality and inclusion criteria after full text review. These studies provided prevalence rates of 165 combinations of two diseases (i.e. disease pairs). Twenty disease pairs, concerning 12 different diseases, were described in at least 3 studies. Depression was found to be the disease that was most commonly clustered, and was paired with 8 different diseases, in the available studies. Hypertension and diabetes mellitus were found to be the second most clustered diseases, both with 6 different diseases. Prevalence rates for each disease combination varied considerably per study, but were highest for the pairs that included hypertension, coronary artery disease, and diabetes mellitus. Conclusions Twenty disease pairs were assessed most frequently in patients with multimorbidity. These disease combinations could serve as a first priority setting towards the development of multimorbidity guidelines, starting with the diseases with the highest observed prevalence rates and those with potential interacting treatment plans.

Time Trends in Prevalence of Chronic Diseases and Multimorbidity Not Only due to Aging: Data from General Practices and Health Surveys.

Introduction Chronic diseases and multimorbidity are common and expected to rise over the coming years. The objective of this study is to examine the time trend in the prevalence of chronic diseases and multimorbidity over the period 2001 till 2011 in the Netherlands, and the extent to which this can be ascribed to the aging of the population. Methods Monitoring study, using two data sources: 1) medical records of patients listed in a nationally representative network of general practices over the period 2002–2011, and 2) national health interview surveys over the period 2001–2011. Regression models were used to study trends in the prevalence-rates over time, with and without standardization for age. Results An increase from 34.9% to 41.8% (p<0.01) in the prevalence of chronic diseases was observed in the general practice registration over the period 2004–2011 and from 41.0% to 46.6% (p<0.01) based on self-reported diseases over the period 2001–2011. Multimorbidity increased from 12.7% to 16.2% (p<0.01) and from 14.3% to 17.5% (p<0.01), respectively. Aging of the population explained part of these trends: about one-fifth based on general practice data, and one-third for chronic diseases and half of the trend for multimorbidity based on health surveys. Conclusions The prevalence of chronic diseases and multimorbidity increased over the period 2001–2011. Aging of the population only explained part of the increase, implying that other factors such as health care and society-related developments are responsible for a substantial part of this rise.

Health care needs of cancer survivors in general practice: a systematic review

BackgroundThe number of cancer survivors is increasing due to improved treatments. Consequently, general practitioners will treat more and more cancer survivors in the upcoming years. Only little is known about the care needs of these survivors and guidelines to support general practitioners in their treatment of these patients are lacking. The aim of this study was to gain insight in the health care needs of cancer survivors in general practice.MethodsA systematic review on cancer survivors’ general practice needs was conducted in PubMed, Embase and the Cochrane Library of Systematic Reviews. Eligible studies could be qualitative or quantitative studies examining cancer survivors’ needs in general practice. Studies of adult survivors, with any cancer type, considered free of active disease and no longer receiving active treatment, were included. For each study a quality score was given using a form developed specifically for this study. Statements about survivors’ general practice needs were collected and corresponding themes were grouped.ResultsFifteen studies were included, of which twelve were qualitative. Most mentioned general practice needs were psychosocial needs, mainly being support received form the GP, followed by a need for help with medical issues, and a need for information on cancer, recovery, late treatment effects and on adjusting to life after treatment.ConclusionsCancer survivors have different types of general practice needs that are currently not or insufficiently met. This review provides a starting point for the development of new guidelines for general practitioners to support in cancer survivorship.

Suboptimal prescribing of proton-pump inhibitors in low-dose aspirin users: a cohort study in primary care.

Objective Determine the adherence to recommendations of concomitant proton-pump inhibitor (PPI) treatment in regular low-dose of aspirin (LDASA) users, taking factors associated with the probability of receiving a PPI into account. Design Cohort study. Setting Data were obtained from 120 Dutch primary care centres participating in the Netherlands Information Network of Primary Care (LINH). Participants Patients 18 years and older who were regularly prescribed LDASA (30–325 mg) in 2008–2010 were included. Main outcome measures Regular medication use was defined as receiving each consecutive prescription within 6 months after the previous one. Based on national guidelines, we categorised LDASA users into low and high gastrointestinal (GI) risk. A multilevel multivariable logistic regression analysis was applied to identify patient characteristics that influenced on the probability of regular PPI prescriptions. Results We identified 12 343 patients who started LDASA treatment, of whom 3213 (26%) were at increased risk of GI complications. In this group, concomitant regular use of PPI was 46%, 36% did not receive PPI prescriptions and 18% obtained prescriptions irregularly (p<0.0001). The chance to obtain regularly PPI prescriptions versus no PPI was significantly influenced by, among others, previous GI complications (OR 13.9 (95% CI 11.8 to 16.4)), use of non-steroidal anti-inflammatory drugs (OR 5.2 (4.3 to 6.3)), glucocorticosteroids (6.1 (4.6 to 8.0)), selective serotonin reuptake inhibitors (9.1 (6.7 to 12.2)), drugs for functional GI disorders (2.4 (1.9 to 3.0)) and increased age. Conclusions Primary care physicians do not fully adhere to the current recommendations to prescribe PPIs regularly to LDASA users with an increased GI risk. More than 50% of the patients with an increased GI risk are not treated sufficiently with a concomitant PPI, increasing the risk of GI side effects. This finding underlines the necessity to consider merging recommendations into one common, standard and frequently used recommendation by primary care physicians.

Multimorbidity patterns in a primary care population aged 55 years and over

Background. To support the management of multimorbid patients in primary care, evidence is needed on prevalent multimorbidity patterns. Objective. To identify the common and distinctive multimorbidity patterns. Methods. Clinical data of 120480 patients (≥55 years) were extracted from 158 general practices in 2002–11. Prevalence rates of multimorbidity were analyzed (overall, and for 24 chronic diseases), adjusted for practice, number of diseases and patients’ registration period; differentiated between patients 55–69 and ≥70 years. To investigate multimorbidity patterns, prevalence ratios (prevalence rate index-disease group divided by that in the non-index-disease group) were calculated for patients with heart failure, diabetes mellitus, migraine or dementia. Results. Multiple membership multilevel models showed that the overall adjusted multimorbidity rate was 86% in patients with ≥1 chronic condition, varying from 70% (migraine) to 98% (heart failure), 38% had ≥4 chronic diseases. In patients 55–69 years, 83% had multimorbidity. Numerous significant prevalence ratios were found for disease patterns in heart failure patients, ranging from 1.2 to 7.7, highest ratio for chronic obstructive pulmonary disease-cardiac dysrhythmia. For diabetes mellitus, dementia or migraine patients highest ratios were for heart failure-visual disorder (2.1), heart failure-depression (3.9) and depression-back/neck disorder (2.1), respectively (all P-values <0.001). Conclusions. Multimorbidity management in general practice can be reinforced by knowledge on the clinical implications of the presence of the comprehensive disease patterns among the elderly patients, and those between 55 and 69 years. Guideline developers should be aware of the complexity of multimorbidity. As a consequence of this complexity, it is even more important to focus on what matters to a patient with multimorbidity in general practice.

Health-related quality of life and health care use in cancer survivors compared with patients with chronic diseases.

The number of cancer survivors is steadily increasing and these patients often experience long‐lasting health problems. To make care for cancer survivors sustainable for the future, it would be relevant to put the effects of cancer in this phase into perspective. Therefore, the authors compared health‐related quality of life (HRQOL) and health care use among cancer survivors with that of patients with chronic diseases.

Frequency and Risk Factors for Under- and Over-Treatment in Stroke Prevention for Patients with Non-Valvular Atrial Fibrillation in General Practice

Objective To determine adequacy of antithrombotic treatment in patients with non-valvular atrial fibrillation. To determine risk factors for under- and over-treatment. Design Retrospective, cross-sectional study of electronic health records from 36 general practitioners in 2008. Setting General practice in the Netherlands. Subjects Primary care physicians (n = 36) and patients (n = 981) aged 65 years and over. Main Outcome Measures Rates of adequate, under and over-treatment, risk factors for under and over-treatment. Results Of the 981 included patients with a mean of age 78, 18% received no antithrombotic treatment (under-treatment), 13% received antiplatelet drugs and 69% received oral anticoagulation (OAC). Further, 43% of the included patients were treated adequately, 26% were under-treated, and 31% were over-treated. Patients with a previous ischaemic stroke were at high risk for under-treatment (OR 2.4, CI 1.6–3.5), whereas those with contraindications for OAC were at high risk for over-treatment (OR 37.0, CI 18.1–79.9). Age over 75 (OR 0.2, CI: 0.1–0.3]), diabetes (OR 0.1, CI: 0.1–0.3), heart failure (OR 0.2, CI: 0.1–0.3), hypertension (OR 0.1, CI: 0.1–0.2) and previous ischaemic stroke (OR 0.04, CI: 0.02–0.11) protected against over-treatment. Conclusions In general practice, CHADS2-criteria are being used, but the antithrombotic treatment of patients with atrial fibrillation frequently deviates from guidelines on this topic. Patients with previous stroke are at high risk of not being prescribed OAC. Contraindications for OAC, however, seem to be frequently overlooked.

Partners of cancer patients consult their GPs significantly more often with both somatic and psychosocial problems

Abstract Objective. Partners of cancer patients experience psychological distress and impaired physical health around and after the diagnosis of cancer. It is unknown whether these problems are presented to the general practitioner (GP). This study aimed to establish partners’ GP use around the diagnosis of cancer. Design. Cohort study. Setting. Primary care. Subjects. Partners of 3071 patients with breast, prostate, colorectal, or lung cancer were included. Patients were diagnosed in 2001–2009 and were alive at least two years after diagnosis. Main outcome measures. Number of GP contacts and health problems in partners between six months before and two years after diagnosis. Results. In the first six months after diagnosis, partners’ GP use was similar to baseline (18 to six months before diagnosis). Between six and 24 months after diagnosis, GP use was increased in partners of patients with breast, prostate, and colorectal cancer, an increase of 31% (p = 0.001), 26% (p = 0.001), and 19% (p = 0.042), respectively. In partners of patients with breast cancer and colorectal cancer, GP use was increased for both somatic and psychosocial symptoms. In partners of prostate cancer patients, an increase was seen in somatic symptoms, whereas in partners of lung cancer patients, GP use was only increased for psychosocial symptoms. “Problems with the illness of the partner” was a frequently recorded reason for contact in the first six months after diagnosis. Conclusion. GP use of partners of cancer patients is increased 6–24 months after diagnosis, but health problems vary between cancer types. GPs should be alert for somatic and psychosocial problems in partners of cancer patients.