[Obstructive lung diseases in a French prison: results of systematic screening].

Background: French prisoners have health problems that have been inadequately treated before imprisonment. This population has insufficient access to the healthcare system. Addictive behaviours, particularly smoking, are widespread. The aim of the study is to evaluate the prevalence of airflow limitation by using a primary care screening method adapted for the correctional facility and its inmates.

Method: The screening of airflow limitation using a mobile spirometer is carried out in inmates consulting the primary care unit (UCSA) of Amiens prison. Patients consulting the UCSA between 16 August and 17 October 2006 and providing their consent are included in the study. The criteria for exclusion are: a counter-indication for spirometry, poor compliance with the effort of forced expiry after eight efforts, as well as refusal to take part in the study. The descriptive statistical analysis includes all of the quantitative and qualitative variables.

Results: Among the 210 patients included in the sample, only five patients refused to take part in the study. Their mean age was 37 (range: 16-65) and 90% were men. Ninety percent of this population were active smokers. Sixty percent of these smokers would like to quit. The spirometry detected 11% undiagnosed airflow limitation: 11 prisoners suffered from chronic obstructive lung disease and 13 prisoners suffered from asthma.

Discussion: Given the relative youth and high risk nature of these diagnosed patients, the potential for the long or short term aggravation, and a growing recognition of the seriousness of exposure to tobacco, the authors suggest that the systematic screening of inmates for airflow limitation may be used to assist in detecting serious health issues. Along with new French antismoking legislation, this screening may enable primary care workers to better reduce smoking habits in prisons.