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Br J Gen Pract. 2010 April 1; 60(573): e156–e162.
PMCID: PMC2845506

Psychotropic drug use among older people in general practice: discrepancies between opinion and practice

Andrea Lasserre, PhD
INSERM, U707, Paris, France; UPMC Université Paris 6, UMR S707, Paris, France
Nadia Younès, MD, PhD
Université Versailles Saint Quentin en Yvelines, Versailles, France
Thierry Blanchon, MD, PhD
INSERM, U707, Paris, France; UPMC Université Paris 6, UMR S707, Paris, France
Inge Cantegreil-Kallen, PhD
Hôpital Broca, Paris, France
Christine Passerieux, MD
Université Versailles Saint Quentin en Yvelines, Versailles, France
Guy Thomas, MD, PhD
INSERM, U707, Paris, France; UPMC Université Paris 6, UMR S707, Paris, France
Christine Chan-Chee, MD
Institut de Veille Sanitaire, Saint-Maurice, France

Abstract

Background

The use of psychotropic drugs has increased over recent years in France. GPs are the first prescribers, especially for older patients.

Aim

To analyse discrepancies between GPs' opinions and practice when prescribing psychotropic drugs to older patients.

Setting

Postal surveys sent to GPs all over mainland France.

Design of study

Cross-sectional postal study.

Method

A questionnaire collected data on characteristics of GPs' practices, their opinions about psychotropic drug consumption in older people, and a full description of their last older patient receiving a psychotropic drug and seen last by the GP on that particular day.

Results

A total of 350 participating GPs saw 2498 patients aged ≥65 years. Among these patients, the prevalence of psychotropic use was 32.1% (803/2498) for anxiolytics/hypnotics, and 17.5% for antidepressants (438/2498). A total of 91% of GPs agreed that it was possible to reduce or stop psychotropic drugs for these patients. Characteristics of 339 patients taking psychotropic drug were reported: 85.8% (291/339) received at least one anxiolytic/hypnotic and 56.9% (193/339) received at least one antidepressant; there were prescribed for more than 1 year in 68.4% (199/291) and 43.5% (84/193) of the cases respectively. GPs stated that it was possible to reduce or stop anxiolytic/hypnotic drugs for only 27% (79/291) of these patients. Barriers to doing this were patients' refusal (79%), and the absence of any local offer of psychotherapy (73%) or alternative therapy (70%).

Conclusion

A mismatch exists between GPs' intent (91%) and practice (27%) regarding reduction of psychotropic prescription in individuals aged ≥65 years. The barriers encountered should be examined further to help physicians improve management of psychotropic prescription.

Keywords: antidepressive, anti-anxiety agents, aged, hypnotics and sedatives, mental disorders, psychotropic drugs

INTRODUCTION

The consumption of psychotropic drugs is increasing in industrialised countries.1 The highest consumption rate is observed in France, with 25% of the general population taking a psychotropic. The rate is between 3.5% and 15.5% in other European countries such as the UK (3.5%), Germany (5.9%), Netherlands (7.4%), Belgium (13.2%), Italy (13.7%), and Spain (15.5%).13 These discrepancies are not well explained; they could, for example, be related to different organisation of care, such as varying access to psychotherapists.1

Psychotropics have the second highest medication sales in France, after analgesics,4 and in 2004, €1 billion were spent on psychotropic medications.5 Anxiolytics and hypnotics are the most commonly used drugs in France, with 15–20% of individuals reporting sporadic use and 10% regular use of one of them.1,4 Antidepressants are the second most commonly used drugs, with 10% of individuals reporting sporadic use and 5% regular use.5,6 Consumption is higher in females and increases with age.1,2,6

Prescribing psychotropic drugs is part of GPs' daily routine. In France, 60–75% of prescriptions for psychotropic drugs are from GPs, where 80–92.3% are prescribed to people older than 65 years.7 In the UK, hypnotic treatment is also initiated by GPs in 87.9% of cases.8

For older people, the harms of psychotropic drugs may outweigh their benefits. They have been previously identified as a risk factor for falls,9,10 car accidents,11 and cognitive disorders.12,13 Older people are more vulnerable to the neurological side-effects of these medications because of the changes in their pharmacokinetics and pharmacodynamics related to ageing.14

Although the desirability of reducing psychotropic medication to avoid side-effects has been recognised, consumption remains excessive.15,16 Potential barriers to reducing psychotropic prescription were previously reported, such as GPs' lack of agreement regarding interpretation or implementation of the clinical guidelines, or difficulty reconciling patients' preferences.16 The present study was undertaken to provide more insight into GPs' prescribing patterns for older people. The aim was to investigate GPs' knowledge and opinions about prescription of psychotropics for individuals aged ≥65 years, and to collect patient-based data to describe ‘real-life’ prescription patterns for psychotropics in this population.

METHOD

The study was carried out by means of a cross-sectional survey among GPs belonging to the ‘Sentinelles network’ in France. The Sentinelles network is a computerised system comprising 1200 volunteer GPs located throughout France and participating in the ongoing surveillance of 10 health indicators and in ad hoc epidemiological studies.17 The 10 health indicators comprise seven infectious diseases (influenza-like illness, acute diarrhoea, mumps, varicella zoster, herpes zoster, male urethritis, Lyme disease), as well as three non-infectious conditions (asthma, suicide attempts, any-cause hospitalisations).

In November 2007, the questionnaire with a return envelope was sent to 967 GPs (those who had previously agreed to participate at least once in the ad hoc epidemiological studies); responses were collected until January 2008. Two reminders were sent if no answer was received; the second included a new questionnaire sent by email. After data collection, a sample of non-responders (randomly selected) was contacted to ascertain the reasons for not participating. The postal questionnaire consisted of three parts.

How this fits in

Inappropriate use of psychotropic drugs among older patients is an important problem seen in general practice. Confronting, at the same time, GPs' opinions and real practice regarding psychotropic drugs use in older people reveals a gap between opinions and practice for benzodiazepines and for Z-drugs. GPs surveyed in this study suggested some actions for improvements.

The first part collected characteristics about the GPs (demography and practice), the number of patients aged ≥65 years seen on the GPs' last working day and, for these patients, the reason for consultation and the prevalence of psychotropic use.

The second part assessed GPs' knowledge and opinions about psychotropic drug consumption in individuals aged ≥65 years. GPs were questioned about their knowledge of six recommendations for managing psychotropic treatment issued by the French health authorities (yes/no questions).18 Their opinion was sought about psychotropic use in primary care with the following questions: (i) do you sometimes feel pressured to initiate or to renew prescription of anxiolytics/hypnotics for your patients aged over 65 years? (often/sometimes/never); (ii) do you think it is possible to reduce prescription of anxiolytics/hypnotics for patients aged over 65 years? (yes in most cases/yes in some cases/ no, I don't know); and (iii) what kind of actions must be undertaken to reduce prescription of anxiolytics/hypnotics? (four answers were proposed with a four-point scale ranging from ‘completely disagree’ to ‘completely agree’: campaigning to inform the general population, increasing access to a psychiatrist, reinforcing GPs' education, or increasing access to psychotherapy).

The third part of the questionnaire investigated patient-based data regarding the characteristics of the last patient aged ≥65 years seen by the GP on that working day and receiving a psychotropic drug. Data were collected regarding: demographics; prescribed psychotropic drugs; duration of treatment (<3 months, 3–12 months, 1–5 years, >5 years); difficulties encountered by GPs in stopping or reducing the dose of a psychotropic drug; and barriers to reducing or stopping treatment. Seven barriers were proposed with a four-point scale ranging from ‘completely disagree’ to ‘completely agree’: (i) the patient does not want to stop the treatment; (ii) psychotherapy is not refunded; (iii) psychotherapy is not feasible; (iv) there is no alternative therapy to propose; (v) the risks associated with drug withdrawal are considered higher than those related to maintaining treatment; (vi) refusal of drug withdrawal by the patient's relatives and carers; and (vii) lack of awareness of the drug-withdrawal procedure. Benzodiazepines were differentiated according to their duration of action (short-, medium-, or long-acting).18 Psychotropic prescription was considered ‘inappropriate’ if a condition known to increase the risk of an adverse reaction was present: (i) use of a long-acting benzodiazepine;19 (ii) benzodiazepine prescription for more than 3 months;17,20,21 and/or (iii) concomitant use of three or more psychotropic drugs.22,23

Statistical analyses were performed using the statistical package R-2.6.1. Frequency distribution, cross-tabulation, and χ2 tests were used to analyse categorical data. Significance was set at P<0.05.

RESULTS

Characteristics of GP and study populations

Questionnaires were returned by 350 GPs, which represents a response rate of 36.1% (350/967). Among the non-responders, the reason for non-participation was a lack of time to answer (90.1%, 128/142) or lack of interest in the objective of the study (8.9%, 16/142). Responders practised in all 22 regions of the country, had been practising for an average of 16 years, were predominantly male (84.8%), and had a mean age of 44 years. Participating GPs were significantly younger than non-responding GPs (44 years versus 55 years, P<0.001); they did not significantly differ in terms of sex or location of practice (rural or urban areas).

On their last working day, responder GPs saw 2498 patients aged ≥65 years. GPs declared that these older patients were consulting for a physical problem, a psychological problem, or both, in 55.8% (1394/2498), 37% (924/2498), and 7.2% (180/2498) of cases respectively. These patients were taking an anxiolytic/hypnotic in 32.1% (803/2498) of cases, antidepressants in 17.5% (438/2498) of cases, and antipsychotic treatment in 8.1% (202/2498) of cases.

GPs' opinions about psychotropic use for individuals aged ≥65 years

When asked if they knew the six national guidelines for managing people with anxiety and/or insomnia, 22% (191/349) of GPs declared that they did, while 82% knew at least one of these guidelines. One of the guidelines, ‘How to stop benzodiazepine and benzodiazepine-related drugs (Z-drugs) among older patients’,18 was reported to be the best known (70% of GPs).

Pressure by patients to initiate or renew prescription of anxiolytics/hypnotics had previously been felt by 97.1% of GPs (Table 1). However, 90.5% declared that it was possible to reduce or stop treatment for their patients. GPs felt that more information should be distributed to the general population (84%) as well as to physicians (80%). Lastly, GPs agreed that greater access to psychiatrists could help to reduce prescription of psychotropic drugs (Figure 1).

Figure 1
GPs' general opinions on ways to reduce anxiolytic/hypnotic prescriptions among patients aged ≥65 years.
Table 1
GPs' opinions about prescriptions for psychotropic drugs among patients aged ≥65 years.

Psychotropic consumption: patient-based data

Psychotropic consumption of 339 patients is described in Table 2. Patients were aged a mean of 77.3 years (SD = 7.5), mostly female (70.8%, 240/339), and were living alone (46.5%, 157/338), with their family (40.8%, 138/338), or in an institution (12.8%, 43/338).

Table 2
Psychotropic consumption in 339 patients aged ≥65 years.

Overall, 195 of the 339 patients were taking at least one anxiolytic, 140 patients were taking at least one hypnotic, and 193 patients were taking at least one antidepressant. Anxiolytics were the most commonly used drugs (57.5%, 195/339), with a proportion of exclusive users of 22.1% (75/339).

The anxiolytics most frequently prescribed were lorazepam (22.6%, 44/195), bromazepam (21.0%, 41/195), and alprazolam (13.3%, 26/195). Hypnotics were used by 41.3% of patients (140/339), with a proportion of exclusive users of 15.9% (54/339). The most frequently prescribed hypnotics were zolpidem (57.1%, 80/140) and zopiclone (27.8%, 39/140). Antidepressants were used by 56.9% of patients receiving a psychotropic drug (193/339), with a proportion of exclusive users of 14.7% (50/339). The types of antidepressants reported were specific serotonin reuptake inhibitors (52.8%, 102/193), specific noradrenaline (norepinephrine) reuptake inhibitors (15.5%, 30/193), tianeptine (12.9%, 25/193), mianserine (11.4%, 22/193), and tricyclics (7.3%, 14/193).

The most frequent drug combinations were anxiolytics with antidepressants (12.6%, 74/339), followed by antidepressants combined with hypnotics (11.8%, 40/339). Among the 291 patients who were under an anxiolytic or hypnotic drug, the treatment duration was over 1 year in 68.4% of cases (199/291). The main indication for anxiolytics or hypnotics was anxiety (71.8%, 209/291), chronic insomnia (60.1%, 175/291), and/or depression (31.9%, 93/291). Among the 193 patients who were taking antidepressants, the treatment duration was over 1 year in 43.5% of cases (84/193; Table 2). They were prescribed for depression (93.3%, 180/193) and/or anxiety (45.1%, 87/193).

Psychotropic drug use was inappropriate in 84.3% (285/339) of cases, owing to long-acting benzodiazepine use (7.6%, 26/339), concomitant use of three or more psychotropic drugs (8.6%, 29/339), or the use of benzodiazepines or Z-drugs for more than 3 months (84.2%, 285/339).

GPs stated that it was impossible to reduce or stop anxiolytic or hypnotic treatment for 57% of patients (166/291), whereas 27.1% (79/291) agreed that it could be possible. Forty-six GPs had no opinion. GPs rated that 68.1% (199/291) of the patients were physically dependent on their anxiolytics/hypnotics, 32.9% (96/291) were psychologically dependent, and 30.4% (198/291) physically and psychologically dependent. Dependence on antidepressants was estimated to be 20.7% (40/193), 32.4% (41/193), and 15.5% (30/193) for physical, psychological, or both types of dependence respectively.

Barriers to reducing the dosage or to stopping anxiolytics/hypnotics for these patients are presented in Figure 2. The principal barriers reported were patients' refusal (79%), absence of reimbursement of psychotherapy (79%), or no local offer of psychotherapy available (73%), and absence of any other alternative therapy (70%).

Figure 2
Barriers to reduce or stop anxiolytic or hypnotic drugs in patients aged ≥65 years.

DISCUSSION

Summary of main findings

This study confirmed the high rate of very long-term prescription (defined as >2 years in duration), and combined use of psychotropic medication among older patients seen in general practice. While 90.5% of GPs stated that it was possible to reduce or stop psychotropic drugs in most older patients, only 27.1% reported the feasibility of doing so when facing their patients. These findings illustrate a mismatch between GPs' opinions about psychotropic prescription and the reality of practice. According to GPs, the principal barriers to reducing or stopping anxiolytic/hypnotic drugs were patient refusal and the unavailability of psychotherapy or alternative therapies. GPs agreed that more information must be provided to educate the public as well as physicians on this matter.

Strengths and limitations of the study

The participation rate of 36.1% is within the range of results from most surveys conducted in general practice.8,2426 There may be a selection bias because GPs in the Sentinelles network are younger than the overall population of GPs in France. Moreover, GPs who participated in this study might be more concerned about mental health problems that non-responders and their practices may, therefore, differ. However, the daily number of patients seen by the participating GPs is not different from the number seen daily by all French GPs,27 and the rate of psychotropic use reported here is similar to the rates previously described in other general practice settings in France.1,2,4,28

An additional limitation may have been introduced by only offering the GPs closed questions. Some GPs spontaneously made comments pointing out other reasons for overprescription of psychotropics. In addition, GPs rated their knowledge of the French guidelines for treating older individuals with psychotropic drugs using ‘yes/no’ answers, so this information must be interpreted with some caution because no check was done on whether the stated knowledge was accurate. Finally, the survey does not present data about diagnosis (and the adequacy of treatment according to the diagnosis) or patients' opinions.

Comparison with existing literature

The present study confirms that almost one of three patients aged ≥65 years and seen in French general practice receives an anxiolytic or hypnotic prescription, and one of five patients receives an antidepressant prescription. These results are in accordance with the results of previous studies conducted in France.14,6,12,2834

In France, benzodiazepines are somewhat more frequently prescribed than Z-drugs, compared to other countries. In Sweden and in the UK, Z-drugs are more frequently prescribed than the conventional benzodiazepines.35 However, both treatments (benzodiazepines and Z-drugs) should be used with caution.36,37

The prevalence of inappropriate psychotropic drug use is comparable to the percentages found in Sweden, specifically regarding the use of long-acting benzodiazepines or the concomitant use of three or more psychotropic drugs.35 The present study highlights the excessive duration of psychotropic treatments, particularly for benzodiazepines and Z-drugs. Although antidepressants can be indicated for long-term treatment,38 hypnotics are not recommended for longer than 1 month, and anxiolytics are recommended for no longer than 3 months.16,21,3942

GPs' opinions and knowledge about psychotropic drug prescription in older patients have rarely been explored. In the present study, 91% of GPs were optimistic about the possibility of reducing or stopping anxiolytics and hypnotics. In reality, only 27% of GPs admitted it was possible when facing their patients. This mismatch between ‘theoretical’ and ‘real-world’ practice reveals that knowledge of the guidelines is insufficient, as reported in the literature.4143

Several factors have been identified to explain inappropriate prescribing of psychotropics in older people: (i) GP-related barriers, including lack of knowledge; (ii) confusion due to the lack of a consensus defining inappropriate psychotropic use; (iii) difficulties in re-addressing inappropriate medication started by a previous provider; (iv) the number of prescribers and pharmacies involved in patient care; (v) inappropriate attitudes towards ageing (ageism); and (vi) cost issues.44 Patients may also contribute to the problem by insistently demanding an inappropriate medication.4547

In the present study, some GPs offered additional comments about prescription barriers that were different from those proposed in the questionnaire; these included: ‘The best way to avoid withdrawal problems is to avoid initial prescription!’, ‘Incentives for psychotropic prescription through pharmaceutical marketing should be stopped’, and ‘Psychotropics are impossible to stop mainly for patients with a difficult social life (loneliness, poverty, living in a deprived neighbourhood)’. These last comments confirm that current management of psychological and physical troubles deserves more attention,44,45 and that psychotropic consumption is probably not simply a consequence of a GP prescription, but is also a social issue.

Implications for future research and clinical practice

More appropriate use of psychotropic prescription drugs is a key element in improving disease management for older patients in general practice. GPs suggested three areas that should be targeted: (i) implementing educational programmes to increase patients' awareness of the risks related to long-term use of psychotropics; (ii) creating work groups to support drug withdrawal in primary care; and (iii) applying behavioural treatments, such as cognitive therapy, sleep education, sleep hygiene, and muscle relaxation.4548 The effectiveness and acceptance of these psychological interventions for mental health problems in older people have been recently evidenced, even if not widely promoted in daily practice.4951

Collaborative care between GPs and psychiatrists could also encourage appropriate prescriptions. Another area that could probably be targeted is the difference between whether the medication could be stopped or whether there is clinical evidence that it should be stopped. Although there is clear evidence of the risks associated with long-term use of hypnotic/anxiolytic drugs, stopping these treatments may also expose patients to rebound anxiety, withdrawal syndrome, and the social consequences of untreated anxiety disorders.5254 Thus, efforts to reduce the risks associated with long-term use of psychotropics should be balanced with the risks associated with psychotropic withdrawal.

This study has evidenced an important mismatch between GPs' opinions about psychotropic prescription and the reality of practice. Reconciliation of theory and practice is needed and should be further examined. To help GPs to reduce psychotropic consumption and prescription, specific education of the general public and physicians is needed, and increased access to non-pharmacological treatment and collaborative care with a psychiatrist could be evaluated.

Acknowledgments

We are grateful to all participating physicians.

Notes

Funding body

The study was supported by the French Institute for Public Health Surveillance (InVS, Saint Maurice, France).

Ethics committee

Not applicable for this study.

Competing interests

The authors have stated that there are none.

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