Chakib El Houssine Laraqui

• Pr ,MD , PhD, HDR université de Rennes
• Head of Department at Ecole supérieure d'ingénierie de la santé,Casablanca5

Introduction The aim of this study was to screen for MSD complaints, to analyze the activity and to identify their risk factors. Methods This cross-sectional study involved 903 men aged > 20 years and with a seniority > 2 years. It included a questionnaire and an ergonomic analysis of the activity. The questionnaire included: socio-demographic and...

Introduction “A good sketch is better than a long speech”. The safety poster contributes to prevention through a change in behavior by acting on the sensitivity of those who look at it. The objective was to assess the degree of perception and understanding of worker safety posters Methods The study involved 631 people with at least two years of se...

Introduction The prevalence of psychoactive substance is constantly increasing in developing countries, and all occupational sectors are concerned. The aim of this study was to determine the prevalence of addictive substances consumption (use and misuse) amongst healthcare workers and to appreciate the poly-consumption according to socio-demographi...

Introduction Vibrations are associated with numerus hazards for the health of workers, particularly those relating to musculoskeletal disorders (MSDs). The objective of our study is to identify and measure whole-body system vibrations encountered when driving container ships as well as to evaluate their possible harmful effects on health. Method T...

Introduction The aim of this study was to assess the prevalence of respiratory symptoms, diseases and ventilatory defects. Methods This cross-sectional study involved 365 marble workers in Casablanca, and Agadir, with at least two years’ seniority. It included a questionnaire, spirometry and thoracic radiophotography. The questionnaire consisted o...

Objective assess the musculoskeletal constraints resulting from carrying out the task at the cutting station. Method three methods were used: - the OSHA (Occupational Safety and Health Administration) checklist to detect work situations at risk of MSD of the upper limb. The normal score must be < 5. - RULA (Rapid Upper Limb Assessment) requires an...

Introduction the aim of this study was to assess the prevalence of respiratory symptoms and diseases, as well as ventilation defects, among artisanal welders. Methods This cross-sectional study involved 211 welders in Kenitra (Morocco) with at least two years’ seniority. It included an analysis of working conditions, a questionnaire and spirometry...

Introduction Objective is to describe the knowledges, attitudes and practices on pulmonary tuberculosis of penitentiary staff in the Casablanca-Settat region. Method this epidemiological and cross-sectional study took place during the first semester of 2023, using a self-questionnaire. Results We interviewed 451 people (62.7% security personnel,...

Introduction The objective was to evaluate the knowledge, attitudes and practices of health professionals in the public sector regarding tuberculosis and the application of the recommendations of the national tuberculosis control program. Methods and Results This cross-sectional study was carried out during the first half of 2023 among public sect...

Craftsmanship provides a range of very varied products of artistic or utilitarian value. The arts and crafts professions are classified into five groups depending on the product and its basic raw material: wood, metals, earth, leather, textiles. The Ministry of Tourism, Crafts, Social and Solidarity Economy is responsible for supervising and suppor...

Introduction The objective of this study was to evaluate the prevalence and location of skin mycoses and onychomycosis among tanners. Methods this cross-sectional observational study interested 243 people working in traditional tanneries in Fez. It included a questionnaire and a clinical examination. The sociodemographic and professional data were...

Introduction The objective was to assess the knowledge, attitudes and practices of healthcare workers of public sector regarding tuberculosis and the application of the recommendations of the national tuberculosis control program. Methods This cross-sectional study was carried out during the first semester of 2023 among health professionals workin...

Introduction The objective was the biomechanical analysis of the position and the evaluation of risk factors for MSDs. Methods The analysis of activity was carried out through observations of situations and video recordings. The workstation was static for four hours in a cabin located at a height of 35 m moving along an overhead crane. A 2 minutes...

Introduction Musculoskeletal disorders are widely found among workers exposed to vibrations. The objective of our study is to identify and measure the vibrations of the hand-arm system encountered during the assembly of metal structures among a worker in an industrial company in Morocco as well as to evaluate their possible harmful effects on healt...

Introduction The aim of this study was to assess the prevalence of respiratory symptoms, diseases and ventilatory defects. Methods This cross-sectional study involved 395 workers, with at least two years’ seniority. It included a questionnaire, spirometry and thoracic radiophotography. The questionnaire consisted of four sections: socio-demographi...

This Special Session will discuss occupational hazards in Morocco's artisanal sector, emphasizing the importance of this dynamic and culturally rich activity in the country's economy. The four presentations (i) delve into common risks faced by artisans, such as exposure to toxic chemicals and poor working conditions, (ii) explore how addressing the...

Introduction Screening and management of addiction to psychoactive substances in an electricity, drinking water and sanitation distribution company. Objective the approach was designed to screen and manage people addicted to one or more of the following psychoactive substances: tobacco, cannabis, alcohol and certain drugs. Methods Candidates were...

Introduction The aim was to estimate the prevalence of moral harassment among medical staff and to describe its clinical aspects. Methods This cross-sectional study involved a representative sample of 337 physicians with at least 6 months of seniority. The survey was based on a self-administered questionnaire including: socio-demographic and profe...

Introduction The objective was to assess the risk of MSDs by using 3 simple and rapid methods. Methods OSHA (Occupational Safety and Health Administration) screens for situations likely to be at risk of MSDs of the upper limbs. The normal score is < 5. RULA (Rapid Upper Limb Assessment) requires observation over several work cycles to select the m...

Objective To assess the prevalence of respiratory symptoms, diseases and ventilatory disorders among dental technicians. Methods This cross-sectional study involved 372 people working in 75 laboratories in Casablanca, Fez, Meknes, Rabat and Tangiers, and with at least two years’ seniority. It included a questionnaire, spirometry and thoracic radio...

The aim of this study was to identify the main causes of psychosocial risks (PSR) of fishermen, to analyze their consequences on health status and to assess the contribution of work and organizational psychology (WOP) in appropriate preventive strategies. Methods This was a systematic review of our studies that have focused on the assessment of th...

Introduction Vibrations are important risk factors for musculoskeletal disorders. The objective of our study is to identify and measure the vibrations of the hand-arm system encountered during the handling of a pneumatic impact wrench by a worker at a port terminal in Morocco as well as to evaluate their possible harmful effects about health. Meth...

The objective was to evaluate the prevalence of dermatoses among workers in a household waste collection company. Methods This cross-sectional and observational epidemiological survey took place in Témara during 2017 and involved 306 household waste collectors with at least one year of experience. The survey includes a questionnaire and a clinical...

Introduction Secondary school teachers (SST) are particularly affected by occupational stress and burnout because they are exposed to high psychosocial factors at work and organizational constraints related to difficult working conditions. Methods This survey aimed to assess the prevalence of BOS of SST and its relationship with sociodemographic a...

Introduction Objective is to describe the knowledges, attitudes and practices on pulmonary tuberculosis of penitentiary staff in the Casablanca-Settat region. Method this epidemiological and cross-sectional study took place during the first semester of 2023, using a self-questionnaire. Results We interviewed 451 people (62.7% security personnel,...

Introduction Vibrations constitute risk factors par excellence for musculoskeletal disorders (MSD), particularly at the spinal level for vibrations of the whole-body system. The objective of our study is to identify and measure whole-body system vibrations encountered when operating forklifts as well as to evaluate their possible association with h...

Introduction The aim was to assess the perception of the profession, the experience of physicians and to offer suggestions to improve the attractiveness and practice of medicine. Methods This study, conducted in 2021, interested the 2,597 graduates from 1970 to 2010. An online self-questionnaire included: socio-demographic and professional data, p...

Introduction The objective was to analyze the repercussions of shift work (the rotation was 6 mornings from 6 a.m. to 2 p.m. with 01 day of rest then 6 afternoons from 2 p.m. to 10 p.m. with 1 day of rest and 6 nights from 10 p.m. until 6 a.m. with 6 days of rest) among electromechanics complaining of dyssomnia and to propose a new shift schedule...

Introduction The aim of this survey was to assess the stress in secondary school teachers (SST) by analyzing its relationship with sociodemographic and professional characteristics, by evaluating work stressors, and by estimating psychosomatic symptoms. Methods This cross-sectional survey involved a representative sample of 1 182 SST. All particip...

Objective The aim of this survey was to assess the health status, sleep habits and dyssomnia of healthcare workers. Method This cross-sectional epidemiological study took place in the hospitals of Fez and Essaouira and involved 2012 healthcare professionals (75.1% nurses and 24.9% physicians). 53.8% had atypical work schedule (AWS) and 46.2% typic...

Introduction The objective was to evaluate the knowledge, attitudes and practices of private doctors about pulmonary tuberculosis and their application of the recommendations of the national tuberculosis control program. Methods This cross-sectional study involved 315 doctors (180 general practitioners and 135 specialists) in the private sector of...

Introduction Our work aimed to describe the knowledge, attitudes and practices on tuberculosis of employees at Al-Hoceima airport and to identify the associated factors. Methodology We conducted a cross-sectional, descriptive and analytical study carried out among employees of Al-Hoceima airport, based on questionnaires administered to employees t...

Introduction The objective was to evaluate MSDs in a mobile port gantry operator using methods allowing position analysis and diagnosis of MSD risk. Method Observing the work situation over several cycles required video recordings and the use of 3 methods: #NOM? #NOM? - OREGE (Gesture Identification and Evaluation Tool) aims to evaluate the biomec...

The objective was to assess the biomechanical and musculoskeletal constraints resulting from carrying out the task using three simple methods. Method The operator, aged 28 and right-handed, had 5 years of seniority in the company and 3 years on the job. The working hours were 7:30 a.m. to 12 p.m. and 1:30 p.m. to 5:30 p.m. OSHA (Occupational Safet...

Introduction The objective was to assess the knowledge, attitudes and practices of public sector health workers regarding tuberculosis and the implementation of the recommendations of the national tuberculosis control program. Method This cross-sectional study was carried out during the first half of 2023 among healthcare professionals at the Erra...

The objective was to assess the biomechanical and musculoskeletal constraints resulting from carrying out the task using three simple methods. Method The operator, aged 28 and right-handed, had 5 years of seniority in the company and 3 years on the job. The working hours were 7:30 a.m. to 12 p.m. and 1:30 p.m. to 5:30 p.m. OSHA (Occupational Safet...

Objectives recommendation for the implementation of national public health programs (NPHPs)in the professional environment, particularly those of interest to adults. Methods Occupational health (ILO/WHO) shall promote and maintain the highest degree of physical, mental and social well-being of workers in all occupations. The 95th session of the IL...

The aim was to evaluate sleeping and alertness disorders among hotel staff in Agadir, Casablanca and Marrakesh. Methods This cross-sectional study involved 943 agents with at least one year of seniority. The survey was based on a questionnaire with three sections: - socio-economic and occupational characteristics, - health statute and lifestyle, -...

This presentation is an analytic review of our research work among fishermen of coastal sector (FCS) in Morocco which focused on the assessment of occupational safety and health (OSH), stress, burnout, sleep and alertness disorders, risk-taking behaviors (ordalisme, sexually transmitted infections), consumption of psychoactive substances, musculosk...

Introduction The aim of this study was to assess the impact of Ramadan on sleep and alertness in healthcare professionals working in intensive care units. Method This cross-sectional epidemiological study involved 152 people (96 on-call and 52-day shift). A self- questionnaire was administered during the third week of Ramadan and the third week af...

Introduction: Objective critical analysis of medico-social cover for fishermen: limitations and recommendations. Medical and social cover for fishermen raises a number of issues of a legislative, ethical, deontological and practical nature. Methods A cross-sectional epidemiological survey was carried out among physicians working in the seafarers’...

Background: The aim of this study was to screen for musculoskeletal disorders (MSD) complaints, to analyse the activity and to identify their risk factors. Materials and methods: This cross-sectional epidemiological study involved 903 men aged > 20 years and with a seniority > 2 years. It included a questionnaire and an ergonomic analysis of the ac...

Background: Coastal fishermen are particularly affected by occupational stress and burnout because they are exposed to high psychosocial factors at work and organizational constraints related to difficult working conditions. Materials and methods: This survey aimed to assess the prevalence of burnout syndrome (BOS) of fishermen and its relationship...

Background: Coastal fishermen are particularly affected by occupational stress and burnout because they are exposed to high psychosocial factors at work and organizational constraints related to difficult working conditions. Materials and methods: This survey aimed to assess the prevalence of burnout syndrome (BOS) of fishermen and its relationship...

Introduction: The complications of the OSAHS with socio- professional consequences make it a real problem of occupational health. The aims of this study were to screen OSAHS and its components among workers. Method: this cross-sectional study was concerned 683 men employed in a company in Casablanca whose employer wanted to promote well-being at wo...

Introduction: The aims of this study were to detect hearing loss in professional musicians and to assess its importance according to the duration of exposure and the intensity of the noise suffered. Materiel and methods: this cross-sectional survey involved 241 musicians aged> 20 years with professional seniority> 2 years. The study included a soun...

Introduction: In Morocco, rabies remains difficult to control with an average of 20 deaths per year. The dog is the main vector. The objective was to assess knowledge, attitudes and practices regarding rabies in agricultural settings. Material and methods: This cross-sectional survey was carried out with 452 agricultural professionals who consulted...

Introduction: The aims of this study were to assess the prevalence of MSDs and to analyze their relationship with socio-demographic and occupational parameters among workers in a clothing company. Materiel and methods: This cross-sectional study involved 394 women aged > 20 years with seniority ≥ 2 years. It included an observation of the work cycl...

Background. The MetS is a major issue of occupational health. It is the result of an unhealthy dietary habits, physical inactivity and sedentary behaviors. The objective of this study was to detect the MetS, and the determine the prevalence of its main components according to socio-economic status and occupational characteristics. Materiel and met...

Introduction: The intensive and uncontrolled use of pesticides in Morocco generates health and environmental problems. The objective of this study was to assess the knowledge, attitudes and practices of farmers on their use. Material and methods: This cross-sectional epidemiological study conducted in 2021 in the Ifrane region involved 153 male far...

Introduction: The objective of this study was the ergonomic analysis of the workstation and the assessment of risk factors for MSDs by valid, simple methods that can be easily mastered by prevention specialists Materiel and methods: the approach included activity analysis (observations of work situations and video recordings), the Nordic questionna...

Introduction: Occupational allergies to bumblebee- pollinator stings are rare but can be serious or even fatal. The objective of this study was to assess the prevalence of allergic reactions to bumblebee venom, to assess the level of knowledge, the attitudes and practices of exposed agricultural workers and finally to propose measures of prevention...

Introduction: Vaccination remains one of the most effective ways to control the pandemic of covid-19. HCWs have been given priority for vaccination. The aims of this survey were to assess the barriers and motivations of HCWs to accept this vaccination. Materiel and methods: this cross-sectional study, carried out in 2021, involved 669 hospital sta...

Introduction: tanners are known for their heavy tobacco and cannabis smoking, and their occupational exposures to high levels of vapors, gases, dusts, and fumes. The aim of the study was to screen and to evaluate the prevalence of chronic obstructive pulmonary disease, and its comorbidities. Materiel and methods: This cross-sectional study took pl...

Introduction: RP is based on the application of 3 principles, namely justification, optimization and limitation, which were established by the International Commission on radiological protection. This study aimed to assess the knowledge, attitudes and practices of hospital radiology staff regarding RA. Materiel and methods: This cross-sectional stu...

Introduction: The prevalence of consumption of PSA is constantly increasing in developing countries, and all occupational sectors are concerned. Handicraft sector is a particular target because of the collective consumption is part of the sociability of the group. The aim of this study was to determine the prevalence of PSA consumption, use, and mi...

Introduction: The aim was to assess stress and MSDs among taxi drivers by analyzing their relationship with socio-demographic and occupational parameters. Materials and methods: This cross-sectional study concerned 1874 men, aged> 23 years with a seniority > 2 years. The questionnaire was inspired by those of the INRS and the Karasek. Drivers were...

Introduction: The objective of this metanalysis of our studies was to identify the main causes of PSR of FM, to analyze their consequences on the health and to propose appropriate preventive strategies. Materiel and methods: Our studies have focused on the analysis of the occupational health and safety in this sector, the psychosocial risks (stress...

Résumé Introduction Les travailleurs de la construction sont connus pour leur forte consommation de tabac et leur exposition domestique à la biomasse professionnelle à des niveaux élevés de vapeurs, gaz, poussières et fumées (VGPF). L’objectif de cette étude était d’évaluer la prévalence de la BPCO et de ses comorbidités. Méthode Cette étude épid...

Introduction: The prevalence of psychoactive substance is constantly increasing in developing countries, and all occupational sectors are concerned. Construction sector is a particular target because of the heavy workload as well as family and social isolation. However, few studies have investigated toxic habits in this population in Morocco. The...

The aim of this study was to assess the respiration-related quality of life(QoL) of former miners with silicosis and to determine the factors that could affect QoL(socio-demographic and professional parameters, toxic habits, co-morbidities, and degree ofrespiratory disability).Methods. — This cross-sectional study involved 104 people who came for r...

La silicose constitue un enjeu majeur de santé publique et de santé au travail et affecte la qualité de vie des personnes qui en sont atteintes. Peu de travaux ont été menés dans ce sens chez cette population. L’objectif de cette étude était d’apprécier la qualité de vie des anciens mineurs et de déterminer les facteurs pouvant l’impacter (caractér...

L’objectif de cette étude était d’analyser la qualité de vie au travail du personnel de soin dans le secteur hospitalier. Méthode Cette étude épidémiologique transversale s’est déroulée en 2016 et a intéressé l’ensemble des 5901 professionnels de soins des secteurs hospitaliers de quatre régions du Maroc (Casablanca, Rabat, Nord, Sud). Le question...

L’objectif de cette étude était d’apprécier chez les marins pêcheurs les troubles du sommeil et de la vigilance et leurs conséquences en fonction des paramètres sociodémographiques et professionnels (facteurs de stress, risques psychosociaux), de l’état de santé et des habitudes du sommeil. Méthode Cette enquête transversale a été réalisée sur un...

Introduction Le diabète constitue un enjeu majeur de santé publique dans le monde autant par sa fréquence que par la gravité de ses complications, et de son retentissement physique, psychologique et socioéconomique sur les patients, les familles et la société. L’objectif principal de notre étude était d’évaluer la qualité de vie des diabétiques aya...

Introduction Les activités et tâches professionnelles du marin pêcheur en pêche artisanale sont très variées et polyvalentes, elles sollicitent la plupart des articulations et plus particulièrement celles des membres supérieurs. Le syndrome du canal carpien (SCC) est une pathologie assez répandue chez les travailleurs qui sollicitent en permanence...

L’objectif était d’évaluer le stress chez les chauffeurs de taxi, de déterminer les facteurs pouvant l’impacter (caractéristiques sociodémographiques et professionnelles et stresseurs professionnels) et d’apprécier les manifestations psychosomatiques et les pathologies chroniques rapportées. Méthodes Cette enquête transversale a porté sur un échan...

Résumé Le personnel hospitalier constitue une cible particulière des risques psychosociaux notamment le stress et le burnout. Le burnout ou syndrome d’épuisement professionnel est consécutif à l’exposition à un stress permanent et prolongé. Il concerne les professions à fortes sollicitations mentales, émotionnelles et affectives et à forte responsa...

par 63,99 % des patients. Le nom du traitement était connu par 17 malades, la dose journalière par 26 malades et la fréquence journalière par 47 malades. Un effet bénéfique du traitement a été rapporté par 27 malades. La grossesse imposait l'arrêt des cor-ticoïdes selon 7 patients. Pour la voie inhalée, 64,4 % des patients pensaient à un passage sy...

par 63,99 % des patients. Le nom du traitement était connu par 17 malades, la dose journalière par 26 malades et la fréquence journalière par 47 malades. Un effet bénéfique du traitement a été rapporté par 27 malades. La grossesse imposait l'arrêt des cor-ticoïdes selon 7 patients. Pour la voie inhalée, 64,4 % des patients pensaient à un passage sy...

par 63,99 % des patients. Le nom du traitement était connu par 17 malades, la dose journalière par 26 malades et la fréquence journalière par 47 malades. Un effet bénéfique du traitement a été rapporté par 27 malades. La grossesse imposait l'arrêt des cor-ticoïdes selon 7 patients. Pour la voie inhalée, 64,4 % des patients pensaient à un passage sy...

Background: The aim of this survey was to assess the stress in fishermen by analysing its relationship with sociodemographic and professional characteristics, by evaluating work stressors, and by estimating psychosomatic symptoms. Materials and methods: This cross-sectional survey involved representative sample of 828 artisanal and coastal fisherme...

Background: The prevalence of psychoactive substances is constantly increasing in developing countries, and all professional sectors are concerned. Taxi drivers are a particular target because of the dangerousness and complexity of their work. However, few studies have investigated toxic habits in this population. Objectives: The aim of the stud...

Background: Dockers in the port facilities are exposed to significant psychosocial risks (stress, suffering at work, etc.) related to heavy organisational, environmental, physical, chemical constraints, etc. These workers are particularly affected by the consumption of psychoactive substances because of the dangerousness and complexity of their wo...

Background: The aim of this study was to evaluate the situation 60 years after independence, to assess the current state, to highlight the constraints and to propose recommendations for improving occupational health in the maritime sector. Materials and methods: This study was based on collecting data of: 1) Legislative texts on occupational hea...

Background: The main objective was to evaluate the prevalence of skin diseases amongst fishermen, to specify the different clinical forms, associations and most frequent localisations, and to identify potential aetiological factors. The secondary objectives were to assess the knowledge, attitudes and practices of seafarers regarding occupational d...

Background: The objective was to screen and evaluate the prevalence of respiratory diseases and obstructive ventilatory defects among fishermen in Morocco. Materials and methods: This observational and cross-sectional epidemiological study involved 924 men over 20 years old and with at least two years of seniority. It included a questionnaire an...

Study background: We aimed to identify professional risk factors for burnout among residents in medicine and surgery. Materials and methods: Epidemiological, observational, and cross-sectional study among trainee physicians working in the Champagne-Ardenne region, from 31 March to 3 May 2015. Burnout was assessed using the Maslach Burnout Inventory...

Wellbeing and occupational risk perception among health care workers: a multicenter study in Morocco and France. Revue J Occup Med Toxicol 11 (1), décembre 2016 MS: 1264151520136922.

. Prévalence des symptômes respiratoires et évaluation du degré de sensibilisation chez les ouvriers du souk de céréales de Casablanca. Revue des maladies respiratoires, 2000, 17, 947-955

Prévalences des troubles respiratoires chez les travailleurs de deux centrales de fabrication de béton prêt à l’emploi au Maroc. The International Journal of Tuberculosis and Lung Disease, 2001, 5 (11) : 1051-8

Etude des conditions de travail dans une tannerie de Rabat. Arch. Mal. Prof., 1996, 57, n°3 : 200-204

Introduction: Workers who work in salvage plant industry are at risk of exposure to aluminum (Al). The objective of this study was to conduct a longitudinal quantitative health risk and bio monitoring assessment for workers exposed to Al. Methods: Al workers were compared to controls. A standardized medical examination and neurobehavioral tests and...

Objectives: The aim of this study was to evaluate the well-being and occupational perception of healthcare workers in Morocco. Methods: This observational and cross-sectional survey, carried out by self-administered questionnaire, was conducted in public hospitals in three cities. The target population consisted of 2,453 healthcare workers, comp...

Résumé Objectif Faire un état des lieux 60 ans après l’indépendance, apprécier les progrès réalisés, souligner les contraintes et proposer des recommandations pour améliorer l’exercice de la santé et de la sécurité au travail. Méthodes Cette étude a reposé sur : la collecte des données à partir des textes législatifs relatifs à la santé et à la s...

Background: The aim was to investigate the potential fishermen's psychological functioning which induces risk-taking behaviours by evaluating the ordalique functioning. Materials and methods: This cross-sectional epidemiological study was conducted in three ports of northern Morocco in 2016 and concerned 1413 traditional fishermen working in sma...

Aims: This study aimed to detect and to determine the prevalence of the metabolic syndrome and its main components among the healthcare workers. Methods: This investigation, led in 2014, included 1 078 healthcare workers in four hospitals in the north of Morocco. This study contained a questionnaire, a clinical and a biological examination. The que...

Background: The purpose of this study was to assess the knowledge, attitudes and practices of seafarers in relation to sexually transmitted infections (STI) and human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS). Materials and methods: This transversal, descriptive and behavioural study was conducted in 2014 on a represen...

Background: The prevalence of toxic habits is constantly increasing in developing countries and all professional sectors are concerned. Seafarers are a particular target because of the dangerousness and complexity of their work. However, few studies have investigated toxic habits in this population. The aim of the study was to determine the preval...