Mortality among people with mental disorders

A Surveillance System to Monitor Excess Mortality of People With Mental Illness in Canada

OBJECTIVE

Outcome measures are rarely available for surveillance and system performance monitoring for mental disorders and addictions. Our study aims to demonstrate the feasibility and face validity of routinely measuring the mortality gap in the Canadian context at the provincial and regional levels using the methods and data available to the Canadian Chronic Disease Surveillance System (CCDSS) of the Public Health Agency of Canada.

METHODS

We used longitudinal data from the Quebec Integrated Chronic Disease Surveillance System, which also provides aggregated data to the CCDSS. This includes data from the health insurance registry physician claims and the hospital discharge abstract for all mental disorder diagnoses (International Classification of Diseases [ICD]-9 290-319 or ICD-10 F00-F99). Patients were defined as having had received a mental disorder diagnosis at least once during the year. Life expectancy was measured using Chiang's method for abridged life tables, complemented by the Hsieh method for adjustment of the last age interval.

RESULTS

We found a lower life expectancy among psychiatric patients of 8 years for men and 5 years for women. For patients with schizophrenia, life expectancy was lowered by 12 years for men and 8 years for women. Cardiovascular disease and cancer were the most common causes of premature death. Findings were consistent across time and regions of the province. Lower estimates of the mortality gap, compared with literature, could be explained by the inclusion of primary care patients and methods.

CONCLUSIONS

Our study demonstrates the feasibility of using administrative data to measure the impact of current and future mental health plans in Canada provided the techniques can be replicated in other Canadian provinces.

The balanced care model for global mental health

BACKGROUND

For too long there have been heated debates between those who believe that mental health care should be largely or solely provided from hospitals and those who adhere to the view that community care should fully replace hospitals. The aim of this study was to propose a conceptual model relevant for mental health service development in low-, medium- and high-resource settings worldwide. Method We conducted a review of the relevant peer-reviewed evidence and a series of surveys including more than 170 individual experts with direct experience of mental health system change worldwide. We integrated data from these multiple sources to develop the balanced care model (BCM), framed in three sequential steps relevant to different resource settings.

RESULTS

Low-resource settings need to focus on improving the recognition and treatment of people with mental illnesses in primary care. Medium-resource settings in addition can develop 'general adult mental health services', namely (i) out-patient clinics, (ii) community mental health teams (CMHTs), (iii) acute in-patient services, (iv) community residential care and (v) work/occupation. High-resource settings, in addition to primary care and general adult mental health services, can also provide specialized services in these same five categories.

CONCLUSIONS

The BCM refers both to a balance between hospital and community care and to a balance between all of the service components (e.g. clinical teams) that are present in any system, whether this is in low-, medium- or high-resource settings. The BCM therefore indicates that a comprehensive mental health system includes both community- and hospital-based components of care.