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Biomedical subjects

Robyn Richmond

Publications and source records attributed to Robyn Richmond.

11 recordsLinked to original sources
PubMed2006

Where there's smoke, there's fire: high prevalence of smoking among some sub-populations and recommendations for intervention.

In Australia, the prevalence of smoking is higher among certain sub-populations compared to the general population. These sub-populations include Aboriginal and Torres Strait Islander people, people from culturally and linguistically diverse backgrounds, as well as people with mental and substance use disorders and prisoners. The aims of this paper are to: describe the high prevalence of smoking among these particular sub-populations and harms associated with smoking; explore possible reasons for such high prevalence of smoking; review the evidence regarding the efficacy of existing smoking cessation interventions; and make recommendations for smoking interventions and further research among these groups. In addition to low socio-economic status, limited education and other factors, there are social, systems and psychobiological features associated with the high prevalence of smoking in these sub-groups. General population-based approaches to reducing smoking prevalence have been pursued for decades with great success and should be continued with further developments that aim specifically to affect Aboriginal and Torres Strait Islander people and some cultural groups. However, increasing attention, more specific targeting and flexible goals and interventions are also required for these and other distinct sub-populations with high smoking prevalence. Recommendations include: more funding and increased resources to examine the most appropriate education and treatment strategies to promote smoking cessation among people from Aboriginal and Torres Strait Islander and some culturally and linguistically diverse backgrounds; larger and better-designed studies evaluating smoking cessation/reduction interventions among distinct sub-groups; and system-wide interventions requiring strong leadership among clients and staff within mental health, drug and alcohol and prison settings.

Alcoholism↗
PubMed2006

A randomized controlled trial of a smoking cessation intervention among people with a psychotic disorder.

OBJECTIVE: Despite extremely high rates of smoking among individuals with psychotic disorders and the associated financial and health costs, few studies have investigated the efficacy of smoking cessation interventions among this group. The purpose of this study was to compare an integrated psychological and nicotine replacement therapy intervention for people with a psychotic disorder with routine care alone. METHOD: The authors recruited 298 regular smokers with a psychotic disorder residing in the community and randomly assigned them to a routine care comparison condition (N=151) or an eight-session, individually administered smoking cessation intervention (N=147), which consisted of nicotine replacement therapy, motivational interviewing, and cognitive behavior therapy. Outcome variables included continuous and point-prevalence abstinence rates, smoking reduction status, and changes in symptoms and functioning. RESULTS: While there were no overall differences between the treatment group and comparison group in abstinence rates, a significantly higher proportion of smokers who completed all treatment sessions stopped smoking at each of the follow-up occasions (point-prevalence rates: 3 months, 30.0% versus 6.0%; 6 months, 18.6% versus 4.0%; and 12 months, 18.6% versus 6.6%). Smokers who completed all treatment sessions were also more likely to have achieved continuous abstinence at 3 months (21.4% versus 4.0%). There was a strong dose-response relationship between treatment session attendance and smoking reduction status, with one-half of those who completed the intervention program achieving a 50% or greater reduction in daily cigarette consumption across the follow-ups, relative to less than one-fifth of the comparison subjects. There was no evidence of any associated deterioration in symptoms or functioning. CONCLUSIONS: These findings demonstrate the utility of a nicotine replacement therapy plus motivational interviewing/cognitive behavior therapy smoking cessation intervention among individuals with a psychotic disorder. Further development of more efficacious interventions is required for those who do not respond to existing interventions.

Adult↗
PubMed2005

Comparisons between psychosis samples with different patterns of substance use recruited for clinical and epidemiological studies.

Despite high rates of comorbid substance use disorders and smoking among people with psychotic disorders, previous studies have not examined differences in socio-demographic, clinical or disability characteristics between psychosis sub-groups with different patterns of substance use. This study compared the characteristics of five groups of people with psychosis and varying patterns of substance use (n=1152), including groups entering treatment studies for substance use or smoking, epidemiological samples of substance users and smokers, and people without such problems. Data were drawn from several recent Australian studies using comparable structured interviews and scales. There were moderate group differences in illness and symptom profiles, with substance users tending to have higher depression and reality distortion scores. Unexpectedly, personal disability was considerably lower among those seeking treatment for their substance use compared with the epidemiological groups, raising concerns about the appropriateness of traditional recruitment approaches in treatment studies and highlighting the need for more assertive treatment engagement and referral strategies in routine clinical settings. As a consequence of uncertainty about links between substance use and everyday functioning, it is suggested that health messages to young people may need to strike a better balance between the potential harms and benefits associated with substance use in pursuing broader harm minimization goals.

Adolescent↗
PubMed2005

Smoking cessation guidelines for Australian general practice.

BACKGROUND: The Smoking cessation guidelines for Australian general practice is based on published evidence, review of overseas guidelines, existing general practice programs, and a process of stakeholder consultation. It was distributed to Australian general practitioners in 2004. OBJECTIVE: This article describes the development and content of the guidelines. DISCUSSION: The guidelines provide an evidence based approach to smoking cessation advice in general practice using the 5 As framework (Ask, Assess, Advise, Assist, Arrange). The intervention approach (modelled on the Smokescreen Program) makes use of stage of change assessment and motivational interviewing. The guidelines are consistent with the Smoking, Nutrition and Physical activity (SNAP) framework for intervention on behavioural risk factors, and integrate GP advice with Quitline services.

Australia↗
PubMed2004

The process of introducing a tobacco curriculum in medical school.

Medical students have poor knowledge of cigarette-related diseases and tend to increase tobacco use as they progress through their course. The aims of this review are to describe the process of developing a tobacco curriculum, present a model of implementation, and apply the model to China. The process of developing, revising and implementing a tobacco curriculum called the Smokescreen Education Program (SEP) for medical students is described. It comprises a lecture and six-part tutorial. Dissemination of the SEP occurred through doctors who translated and introduced the tobacco curriculum into different countries and through the conduct of workshops. A six-point model of implementation was developed that included defining the extent of the tobacco problem in medical schools, developing a flexible curriculum on tobacco, developing networks in countries, working as a resource, and following up after training and evaluating success. The model is applied to China. The SEP was developed over a decade and has led to the development of a practical model of dissemination.

China↗
PubMed2003

Review of bupropion for smoking cessation.

The advent of bupropion hydrochloride sustained release (Zyban) has heralded a major change in the options available for smoking cessation pharmacotherapy. Bupropion is a selective re-uptake inhibitor of dopamine and noradrenalin which prevents or reduces cravings and other features of nicotine withdrawal. Bupropion is a useful oral and non-nicotine form of pharmacotherapy for smoking cessation. For this review a total of 221 papers were reviewed plus poster presentations. This review examines in detail original clinical trials on efficacy, categorised according to whether they were acute treatment trials in healthy smokers; studies in specific populations such as people with depression, chronic obstructive pulmonary disease (COPD) or cardiovascular disease; or relapse prevention studies. Overall, these studies in varying populations comprising over four thousand subjects, showed bupropion consistently produces a positive effect on smoking cessation outcomes. The evidence highlights the major public health role that bupropion has in smoking cessation. The methodological issues of published clinical trials reporting one year outcomes were examined in detail including: completeness of follow-up; loss to follow-up; intention to treat analysis; blindness of assessment; and validation of smoking status. The review discusses contraindications, adverse effects, dose and overdose, addictive potential, and the role of bupropion in reducing cessation-related weight gain. Bupropion combined with or compared to other pharmacotherapies (nicotine patch; nortriptyline) is considered. Impressive evidence exists for the use of bupropion in smoking cessation among difficult patients who are hard-core smokers such as those with cardiovascular disease, chronic obstructive pulmonary disease (COPD) and depression. Bupropion reduces withdrawal symptoms as well as weight gain and is effective for smoking cessation for people with and without a history of depression or alcoholism. Serious side effects of bupropion use are rare. The major safety issue with bupropion is risk of seizures (estimated at approximately 0.1%) and it should not be prescribed to patients with a current seizure disorder or any history of seizures. In clinical trials of bupropion for smoking cessation no seizures were reported. Allergic reactions occur at a rate of approximately 3% and minor adverse effects are common including dry mouth and insomnia.

Antidepressive Agents, Second-Generation↗
PubMed2002

Bupropion sustained release. A therapeutic review of Zyban.

BACKGROUND: Originally developed as an antidepressant, bupropion hydrochloride is a selective re-uptake inhibitor of dopamine and noradrenalin which was found to reduce nicotine withdrawal symptoms and the urge to smoke. Bupropion came onto the Australian market in November 2000 as a 150 mg sustained release preparation to be used as an aid to smoking cessation in combination with counselling. Following the PBS listing in February 2001, there was a dramatic increase in prescribing, and considerable public and professional attention focused on this drug. OBJECTIVE: This review summarises the evidence on how bupropion sustained release (SR) works, its contraindications and risks, adverse effects, studies on efficacy and place in smoking cessation pharmacotherapy. DISCUSSION: Bupropion SR is a useful oral and non-nicotine form of pharmacotherapy for smoking cessation. Efficacy has been demonstrated in two key published trials. In one of these trials efficacy was superior to nicotine patch. There is also evidence of efficacy in patients with mild to moderate chronic obstructive pulmonary disease. Bupropion SR is contraindicated in a number of conditions where there is an increased risk of seizures. This includes patients with a current seizure disorder or any history of seizures. It must not be used concurrently with monoamine oxidase inhibitors and interacts with medications which can lower the seizure threshold. Minor adverse effects such as insomnia, headache, dry mouth and nausea are common. Serious adverse effects are rare but include seizures (risk of 1/1000) and hypersensitivity reactions. The latter can manifest as skin rash and a serum sickness-like reaction.

Antidepressive Agents, Second-Generation↗
PubMedDate not supplied

Grey lungs and blue moods: smoking cessation in the context of lifetime depression history.

OBJECTIVE: To present an overview of the relationship between depression and cigarette smoking and to provide recommendations for clinicians who wish to help patients with a history of depression to stop smoking. METHOD: English language journal articles published in the last 15 years on clinical material related to depression history, smoking cessation and related health issues were collected via MEDLINE, PsycINFO and Cochrane Library database searches. RESULTS: Nicotine dependence is associated with increased rates of depression prior to and after taking up smoking as well as increased rates of suicidal ideation. Depression history is associated with increased rates of nicotine dependence, problems with smoking cessation and depression after cessation. While nicotine replacement and counselling are effective for smoking cessation, standard smoking cessation strategies may not pay sufficient attention to the needs of smokers with a depression history. Some antidepressants (bupropion and nortriptyline) are particularly effective for those with a lifetime depression history as they appear to assist with dysphoria during withdrawal and prevent relapse. Psychological and lifestyle strategies, such as motivational interviewing, relaxation exercises and mood charts, assist in mood regulation over and above the standard smoking cessation treatments for smokers with a depression history, who require more attention to relapse of depression and smoking after quitting. CONCLUSIONS: There is a complex and circular relationship between depression, smoking and medical illness that complicates smoking cessation in those who have a history of depression. Depression-history smokers require a multimodal approach to assist with mood regulation and nicotine withdrawal. Further research is required to identify effective strategies to reduce smoking in this context.

Australia↗