Longitudinal assessment of anxiety, depression, and fatigue in people with multiple sclerosis.

OBJECTIVES: No longitudinal studies have concurrently evaluated predictors of anxiety, depression, and fatigue in people with multiple sclerosis (PwMS). This study determined factors that best predicted anxiety, depression, and fatigue in MS patients from a large pool of disease, cognitive, life-event stressor (LES), psychosocial, life-style, and demographic factors. DESIGN: A 2-year prospective longitudinal study evaluated predictors of psychological distress and fatigue in PwMS. METHODS: One hundred and one consecutive participants with MS were recruited from two MS clinics in Sydney, Australia. LES, anxiety, depression, and fatigue were assessed at baseline and at 3-monthly intervals for 2-years. Disease, cognitive, demographic, psychosocial, and life-style factors were assessed at baseline. Patient-reported relapses were recorded and corroborated by neurologists or evaluated against accepted relapse criteria. RESULTS: Depression strongly predicted anxiety and fatigue, and anxiety and fatigue strongly predicted later depression. Psychological distress (i.e. anxiety, depression) was also predicted by a combination of unhealthy behaviours (e.g. drug use, smoking, no exercise, or relaxation) and psychological factors (e.g. low optimism, avoidance coping), similar to the results of community-based studies. However, state-anxiety and fatigue were also predicted by immunotherapy status, and fatigue was also predicted by LES and demographics. CONCLUSIONS: These results suggest that similar factors might underpin psychological distress and fatigue in MS patients and community-well samples, although MS treatment factors may also be important. These results might assist clinicians in determining which MS patients are at greatest risk of developing anxiety, depression, or fatigue.

The psychological effects of being a prisoner of war: forty years after release.

Forty years after the end of World War II, the authors compared a random sample of former Japanese-held Australian prisoners of war (POWs) with a group of non-POW combatants of the same era. The POWs were significantly more depressed than were the control subjects, but the two groups did not differ in prevalence of anxiety symptoms or alcohol problems. Apart from a higher rate of postwar duodenal ulcer in the POWs, the two groups had similar degrees of medical morbidity.

Are malnutrition and stress risk factors for accelerated cognitive decline? A prisoner of war study.

We set out to test the hypothesis that severe malnutrition and stress experienced by prisoners of war (POWs) are associated with cognitive deficits later in life. We assessed 101 former Australian POWs of the Japanese and 108 veteran control subjects using a battery of neuropsychological tests, a depression scale, a clinical examination for dementia, and CT. We divided the POWs into high weight loss (>35%) and low weight loss groups (<35%). We found no significant differences in cognitive performance between the POWs and control subjects or between high and low weight loss groups on any of the tests or in the prevalence of dementia. Scores on the depression scale showed that the former POWs had more depressive symptoms than the control subjects a decade previous, but the difference had diminished over time. This study does not support the hypothesis that malnutrition is a risk factor for accelerated cognitive decline nor the theory that severe stress can lead to hippocampal neuronal loss and cognitive deficits. Cognitive deficits in earlier studies of former POWs may have been associated with concurrent depression.

Parental adjustment and attitudes to parenting after in vitro fertilization.

OBJECTIVE: To examine the psychosocial and parenthood-specific adjustment and attitudes to parenting at 1 year postpartum of IVF parents. DESIGN: Prospective, controlled study. SETTING: Volunteers in a teaching hospital environment. PATIENT(S): Sixty-five primiparous women with singleton IVF pregnancies and their partners, and a control group of 61 similarly aged primiparous women with no history of infertility and their partners. INTERVENTION(S): Completion of questionnaires and interviews. MAIN OUTCOME MEASURE(S): Parent reports of general and parenthood-specific adjustment and attitudes to parenting. RESULT(S): The IVF mothers tended to report lower self-esteem and less parenting competence than control mothers. Although there were no group differences on protectiveness, IVF mothers saw their children as significantly more vulnerable and "special" compared with controls. The IVF fathers reported significantly lower self-esteem and marital satisfaction, although not less competence in parenting. Both IVF mothers and fathers did not differ from control parents on other measures of general adjustment (mood) or those more specific to parenthood (e.g., attachment to the child and attitudes to child rearing). CONCLUSION(S): The IVF parents' adjustment to parenthood is similar to naturally conceiving comparison families. Nonetheless, there are minor IVF differences that reflect heightened child-focused concern and less confidence in parenting for mothers, less satisfaction with the marriage for the fathers, and vulnerable self-esteem for both parents.

Acute and chronic life event stress in coronary atherosclerosis.

The relation between acute and chronic life events stress and atherosclerosis was assessed in 491 patients having coronary angiography for presumed coronary heart disease. There was no evidence that recent acute stressful events or chronic difficulties in adult life were independently related to coronary artery atherosclerosis once potentially confounding variables such as sex were controlled.

Epidemiological evidence for a relationship between life events, coping style, and personality factors in the development of breast cancer.

OBJECTIVE: Review empirical evidence for a relationship between psychosocial factors and breast cancer development. METHODS: Standardised quality assessment criteria were utilised to assess the evidence of psychosocial predictors of breast cancer development in the following domains: (a) stressful life events, (b) coping style, (c) social support, and (d) emotional and personality factors. RESULTS: Few well-designed studies report any association between life events and breast cancer, the exception being two small studies using the Life Events and Difficulties Schedule (LEDS) reporting an association between severely threatening events and breast cancer risk. Seven studies show anger repression or alexithymia are predictors, the strongest evidence suggesting younger women are at increased risk. There is no evidence that social support, chronic anxiety, or depression affects breast cancer development. With the exception of rationality/anti-emotionality, personality factors do not predict breast cancer risk. CONCLUSION: The evidence for a relationship between psychosocial factors and breast cancer is weak. The strongest predictors are emotional repression and severe life events. Future research would benefit from theoretical grounding and greater methodological rigour. Recommendations are given.

Multifaceted shared care intervention for late life depression in residential care: randomised controlled trial.

OBJECTIVE: To evaluate the effectiveness of a population based, multifaceted shared care intervention for late life depression in residential care. DESIGN: Randomised controlled trial, with control and intervention groups studied one after the other and blind follow up after 9.5 months. SETTING: Population of residential facility in Sydney living in self care units and hostels. PARTICIPANTS: 220 depressed residents aged >/=65 without severe cognitive impairment. INTERVENTION: The shared care intervention included: (a) multidisciplinary consultation and collaboration, (b) training of general practitioners and carers in detection and management of depression, and (c) depression related health education and activity programmes for residents. The control group received routine care. MAIN OUTCOME MEASURE: Geriatric depression scale. RESULTS: Intention to treat analysis was used. There was significantly more movement to "less depressed" levels of depression at follow up in the intervention than control group (Mantel-Haenszel stratification test, P=0.0125). Multiple linear regression analysis found a significant intervention effect after controlling for possible confounders, with the intervention group showing an average improvement of 1.87 points on the geriatric depression scale compared with the control group (95% confidence interval 0.76 to 2.97, P=0.0011). CONCLUSIONS: The outcome of depression among elderly people in residential care can be improved by multidisciplinary collaboration, by enhancing the clinical skills of general practitioners and care staff, and by providing depression related health education and activity programmes for residents.

Relationship between stress and relapse in multiple sclerosis: Part I. Important features.

OBJECTIVE: The aim of this two-year prospective study was to examine the relationship between multiple aspects of life-event stress and relapse in multiple sclerosis (MS) patients. BACKGROUND: Few studies have defined the critical features of this life-event stress; for example, stressor duration, frequency, severity, disease-dependency, valency, or stressor constructs, such as the propensity to cause emotional distress/threat or the frustration of life goals. METHODS: 101 consecutive participants with MS were recruited from two MS clinics in Sydney, Australia. Stressful life events were assessed at study-entry and at three-monthly intervals for two years. Patient-reported relapses were recorded and corroborated by neurologists or evaluated against accepted relapse criteria. RESULTS: Acute events, but not chronic difficulties (CDs), predicted relapse occurrence: acute stressor frequency counts predicted greater relapse risk, along with low disability score (EDSS) and being male. We also confirmed the bi-directional stress-illness hypothesis: stressors predicted relapse, and relapse separately predicted stressors. CONCLUSIONS: Life-event stress impacts to a small degree on MS relapse. The number and not the severity of acute stressors are most important; chronic stressors do not predict later relapse. Males and those with early stage disease are also at greater risk of relapse. MS patients should be encouraged to reduce acute stressors during times of high stress, and feel reassured that disease-related chronic stressors do not increase their relapse risk.

Relationship between stress and relapse in multiple sclerosis: Part II. Direct and indirect relationships.

OBJECTIVE: The aim of this two-year prospective study was to determine which factors were: (i) directly related and/or (ii) indirectly related to multiple sclerosis (MS) relapse. These factors included life-event stressors, disease, demographic, psychosocial and lifestyle factors. BACKGROUND: Relatively little attention has been paid to the role of non-clinical relapse predictors (other than stressful life-events) in MS, or factors that indirectly impact on the stress-relapse relationship. METHODS: A total of 101 consecutive participants with MS were recruited from two MS clinics in Sydney, Australia. Stressful life-events, depression, anxiety and fatigue were assessed at study-entry and at three-monthly intervals for two years. Disease, demographic, psychosocial and lifestyle factors were assessed at baseline. Patient-reported relapses were recorded and corroborated by neurologists or evaluated against accepted relapse criteria. RESULTS: MS relapse was predicted by acute stressor frequency counts, coping responses that utilized social support, and being born in Australia, but not by chronic stressors, disease, demographic, psychosocial or lifestyle factors. No factors were found to indirectly impact on the stress relapse relationship. CONCLUSIONS: The number rather than severity of stressors was most important in relation to MS relapse risk, along with coping responses that utilized social support, suggesting that MS patients should avoid situations that are likely to generate multiple stressors or which provide few avenues for social support.

A review of stress-relapse interactions in multiple sclerosis: important features and stress-mediating and -moderating variables.

Studies do not provide a consensus opinion of the relationship between stress and relapse in relapsing-remitting multiple sclerosis (RRMS). Few studies have defined the critical features of these stressful situations, or examined the role of stress-mediating and -moderating variables. Available evidence indicates that the relationship between life stress and relapse is complex, and is likely to depend on factors such as stressor chronicity, frequency, severity and type, and individual patient characteristics such as depression, health locus of control and coping strategy use. Little is known about how these factors, individually or in combination, are related to MS disease activity. Viral infections are also likely to precipitate relapse in MS, and significant life-stress may further enhance this relationship. The nature and strength of these interrelationships have strong clinical implications. MS patients are particularly vulnerable to a deteriorating cycle of stressful life events, illness episodes and disability. Timely multidisciplinary care interventions aimed at both minimizing psychological distress and physical symptoms may halt this downward reciprocal cycle. Little is known of the pathogenesis of these putative stress-induced changes in disease activity, and almost all stressor studies suffer from some biases or limitations.

Psychological correlates of the type A behaviour pattern in coronary angiography patients.

The convergent validity of two popular self-report Type A questionnaires (the Jenkins Activity Survey and Framingham Scale), and their association with personality traits related to Type A, affective states and traits, and history of nervous illness, were assessed in a sample of 92 coronary angiography patients. The correlation between the two Type A measures, although significant, was modest. Both Type A measures had strong associations with standard personality traits (neuroticism and trait tension). The Framingham Scale was strongly correlated with distressing psychological states (tension, anxiety and depression) while the JAS showed a lesser association with these measures. The implications of these findings in terms of the convergent validity of the two Type A measures, and the independence of the Type A concept from other personality and emotional variables, are discussed.

Psychological correlates of coronary heart disease.

The Type A behaviour pattern and other measures of psychological traits and symptom states were assessed in 92 subjects (predominantly male) presenting for coronary angiography. These measures were correlated with three angiographic indices of coronary heart disease (CHD) severity and two clinical indices (angina and the duration of CHD). The only psychological measures associated with atherosclerosis (assessed by angiography) were indices of personality: Type A (the Jenkins Activity Survey), trait tension, trait anxiety and suppression of anger. It was concluded that these traits may have some role in the pathogenesis of coronary atherosclerosis. None of the measures of psychological symptoms showed a significant association with angiography indices. However, depressive symptoms and expressed hostility were associated with the severity of angina and duration of heart disease. It was concluded that these affects are the consequences of the physical disability of CHD.

Precursors of depression in World War II veterans 40 years after the war.

The impact of wartime stress and other psychosocial and health variables on depressive illness in the 40 years since the Second World War is examined in this study of Australian male prisoners of the Japanese and other veterans. A random sample of 170 surviving members of the captured Eighth Division of the Australian Army residing in Sydney in 1983 (POWs) was compared with a similar sample of 172 veterans who fought in Southeast Asia during the war but were not imprisoned (non-POWs). Multiple regression analysis involving nine predictor variables revealed that self-reported nervous illness during the war and depressive illness since the war had pronounced independent effects on current depression as measured by the Zung Scale. Being married and better educated had significant protective effects against depression for the non-POWs while being employed and having higher socioeconomic status were protective for POWs. A clear linkage was shown from wartime nervous illness to postwar depressive illness to present-day depression.

Life event stress and myocardial reinfarction: a prospective study.

Earlier studies of life event stress in coronary heart disease (CHD) have been flawed by cross-sectional design and inadequate methods for assessing life-event stress. This 3-year prospective study of acute myocardial infarct (AMI) patients reveals significant independent associations between acute and chronic stressors at first admission, and risk of recurrent AMI and death, occurring in the 3 years of follow-up. Relative risks of reinfarction (or death from reinfarction) in the entire sample, for acute events and chronic difficulties were, 2.5 and 2.3 respectively and were statistically significant. When subjects admitted with first AMI were considered alone, relative risks were 3.1 and 4.1 respectively. The clinical significance of these findings is discussed.

Anger and other psychological factors in coronary atherosclerosis.

This study of 519 coronary angiography patients failed to replicate our earlier findings in 90 angiography patients (Tennant & Langeluddecke, 1985) which showed that trait tension, trait anxiety and suppression of anger were correlates of atherosclerosis. In the present study a variety of psychological measures, including state and trait anxiety, tension, anger, locus of control and suppression of anger, depression and anxiety, showed no significant association with coronary atherosclerosis as assessed by coronary angiography.

Major depression and refusal of life-sustaining medical treatment in the elderly.

OBJECTIVE: To examine the effect of improvement or recovery from major depression in elderly patients on their desire for life-sustaining treatments. DESIGN: Prospective case survey. SETTING: Psychogeriatric Service of Hornsby Ku-ring-gai Hospital & Community Health Services and Ryde Hospital & Community Health Services (a community-based service serving an urban population with over 29,000 elderly people). SUBJECTS: All patients referred with major depression (diagnosed by DSM-IV criteria) and no significant cognitive impairment between October 1994 and January 1995. OUTCOME MEASURES: Number of life-sustaining treatments desired before and after treatment of depression in two hypothetical acute life-threatening illnesses (one with a good and the other with an uncertain prognosis), and intensity of depression on the Geriatric Depression Scale (GDS). RESULTS: 22 subjects completed both stages of the study. Initial depression was severe in five, moderate in 16 and mild in one. GDS scores decreased in 18 subjects after treatment. Mean number of life-sustaining treatments desired by these patients increased significantly from 4.0 to 6.1 (out of seven possible treatments) in the "good prognosis" illness and from 6.4 to to 9.6 (out of 14) overall. The increase in the "uncertain prognosis" illness (2.3 to 3.4) was not significant. CONCLUSIONS: Moderate or severe major depression in the elderly is associated with a high degree of refusal of life-sustaining treatments. Treatment of the depression leads to increased acceptance of these treatments, particularly if prognosis is good.

Level of chronic life stress predicts clinical outcome in irritable bowel syndrome.

BACKGROUND: Life stress contributes to symptom onset and exacerbation in the majority of patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD); research evidence is conflicting, however, as to the strength of these effects. AIMS: To test prospectively the relation of chronic life stress threat to subsequent symptom intensity over time. PATIENTS: One hundred and seventeen consecutive outpatients satisfying the modified Rome criteria for IBS (66% with one or more concurrent FD syndromes) participated. METHODS: The life stress and symptom intensity measures were determined from interview data collected independently at entry, and at six and 16 months; these measures assessed the potency of chronic life stress threat during the prior six months or more, and the severity and frequency of IBS and FD symptoms during the following two weeks. RESULTS: Chronic life stress threat was a powerful predictor of subsequent symptom intensity, explaining 97% of the variance on this measure over 16 months. No patient exposed to even one chronic highly threatening stressor improved clinically (by 50%) over the 16 months; all patients who improved did so in the absence of such a stressor. CONCLUSION: The level of chronic life stress threat predicts the clinical outcome in most patients with IBS/FD.

Effects of acute psychologic stress on small-intestinal motility in health and the irritable bowel syndrome.

Psychologic stress may be a provoking factor in the alterations in phase-2 motor activity of the migrating motor complex (MMC) which have been recorded in patients with the irritable bowel syndrome (IBS). To test this, changes in phase-2 duodenojejunal motor activity during 20 min of psychologic stress in 10 patients with IBS were compared with those shown by 10 healthy subjects. Autonomic arousal in response to the stressor was assessed by cardiovascular responses and self-reported levels of anxiety and tension. IBS and controls showed a significant cardiovascular and subjective response to stress which was comparable in the two groups. In general, duodenal phase-2 motor activity was suppressed during stress in both IBS and controls. Jejunal motor activity showed a similar inhibitory response in both groups, but the change in motility index was significant for controls only. Qualitatively, stress did not cause clustered contractions in either the IBS or the control group. However, in IBS patients with clustered contractions in the basal period there was inhibition of this pattern during stress. These findings suggest that acute psychologic stress profoundly suppresses, rather than enhances, duodenojejunal MMC phase-2 motility in healthy subjects. IBS patients, irrespective of their underlying phase-2 motor pattern show similar, although less marked, changes in motility.

Development, behaviour and temperament: a prospective study of infants conceived through in-vitro fertilization.

The development, behaviour and temperament of 65 singleton infants conceived through in-vitro fertilization (IVF) and 63 matched controls were compared at 1 year postpartum. Primiparous women were recruited during pregnancy and their infants' development was assessed at 1 year. In addition, test-taking behaviour was evaluated by an examiner using the Bayley behaviour rating scale and mothers completed a behaviour problem checklist and temperament scale. Mental, motor, speech and social development were appropriate for age, with no significant group differences. While receptive language development was in the normal range, IVF infants scored lower than control infants. Across both groups, mothers reported low levels of behaviour difficulty and mean temperament ratings were in the general population range. There were no group differences in observed test-taking behaviour. However, IVF mothers rated their children at a higher level of behaviour difficulty and more reactive than the ratings given by control mothers. Overall, singleton children conceived through IVF demonstrate appropriate general development at 1 year of age. The higher reported behaviour difficulty experienced by IVF mothers may reflect their concerns about the well-being and adjustment of their child during the first year.

Functional gastrointestinal disorders: psychological, social, and somatic features.

BACKGROUND: Psychological, social, and extraintestinal (somatic) disturbances are prominent features of functional gastrointestinal disorders (FGID); little attention, however, has been given to differences in the nature of these disturbances in the various FGID subgroups. AIMS: (1) To determine whether psychological, social, and extraintestinal factors are associated with specific FGID, and/or with the overall severity and extent of FGID disturbance (the number of coexistent FGID subgroups present in any individual); and (2) to determine whether chronic social stressors link gastrointestinal, extraintestinal, and emotional symptomatologies in FGID. PATIENTS: One hundred and eighty eight outpatients, fulfilling standard criteria for one or more functional gastroduodenal or functional bowel disorders. METHODS: Utilising detailed and objective interview and questionnaire methods, detailed gastrointestinal, extraintestinal, psychological, and social data were collected. RESULTS: Chronic stressors and extraintestinal and emotional symptomatologies were prominent features of functional dyspepsia (FD) and irritable bowel syndrome (IBS) alone. These particular features were, however, highly specific for particular FD and/or IBS subgroups. The chronic threat component of social stressors predicted the nature and extent of multisystem (gastrointestinal, extraintestinal, and emotional) symptomatology. CONCLUSIONS: Notable differences between the various FGID subgroups support the symptom based classification of FGID. Chronic stressor provoked psychological and extraintestinal disturbance is most specific for the FD-IBS group of syndromes.