2014-02-01 12:00 - Messages

Développement d’un indice radiologique représentatif de la fonction de l’épaule chez des travailleurs souffrant de rupture de la coiffe des rotateurs

Les problèmes chroniques de douleur et de perte de fonction de l'épaule touchent jusqu'à 20 % des adultes (Pope, Croft et coll., 1997). La proportion serait encore plus élevée chez les adultes âgés de plus de 50 ans. Au Québec, la Commission de la santé et de la sécurité au travail du Québec (CSST) rapporte que, pour les années 2003 à 2006, les lésions à l'épaule représentaient 39% des 32 549 lésions inflammatoires dues à un travail répétitif ou à un traumatisme. Les lésions à l'épaule ont requis en moyenne 75,4 jours d'absence du travail et 4 533 $ en indemnités de remplacement du revenu (IRR) par travailleur. En comparaison, les lésions au membre inférieur représentaient moins de 10 % des lésions rapportées et ont requis en moyenne 39,5 jours d'absence et des IRR de 2 439 $ par travailleur (CSST, 2007). Ces chiffres montrent non seulement l'importance du problème, mais aussi que les lésions à l'épaule nécessitent proportionnellement plus de temps pour retrouver une fonction adéquate et permettre un retour durable au travail. Ceci témoigne de l'importance d'identifier rapidement les personnes à risque de développer des problèmes de fonction à l'épaule afin de les orienter vers des programmes de réadaptation efficaces et adaptés.

Source: http://www.irsst.qc.ca/-publication-irsst-indice-radiologique-representatif-fonction-de-epaule-r-812.html

Are work disability prevention interventions effective for the management of neck pain or upper extremity disorders?

A systematic review by the Ontario Protocol for Traffic Injury Management (OPTIMa) Collaboration
Purpose We conducted a systematic review to critically appraise and synthesize literature on the effectiveness of work disability prevention (WDP) interventions in workers with neck pain, whiplash-associated disorders (WAD), or upper extremity disorders. Methods We searched electronic databases from 1990 to 2012. Random pairs of independent reviewers critically appraised eligible studies using the Scottish Intercollegiate Guidelines Network criteria. Scientifically admissible studies were summarized and synthesized following best-evidence synthesis methodology. Results Of the 6,359 articles retrieved, 16 randomized controlled trials were eligible for critical appraisal and five were admissible. We found that a return-to-work coordination program (including workplace-based work hardening) was superior to clinic-based work hardening for persistent rotator cuff tendinitis. Workplace high-intensity strength training and workplace advice had similar outcomes for neck and shoulder pain. Mensendieck/Cesar postural exercises and strength and fitness exercises had similar outcomes for non-specific work-related upper limb complaints. Adding a brief job stress education program to a workplace ergonomic intervention was not beneficial for persistent upper extremity symptoms. Adding computer-prompted work breaks to ergonomic adjustments and workplace education benefited workers' recovery from recent work-related neck and upper extremity complaints. Conclusions At present, no firm conclusions can be drawn regarding the effectiveness of WDP interventions for managing neck pain, WAD, and upper extremity disorders. Our review suggests a return-to-work coordination program is more effective than clinic-based work hardening. Also, adding computer-prompted breaks to ergonomic and workplace interventions benefits workers' recovery. The current quality of evidence does not allow for a definitive evaluation of the effectiveness of ergonomic interventions.

Source: Varatharajan S, Côté P, Shearer HM, Loisel P, Wong JJ, Southerst D, Yu H, Randhawa K, Sutton D, van der Velde G, Mior S, Carroll LJ, Jacobs C, Taylor-Vaisey A. J. Occup. Rehabil. 2014.

Is Carpal Tunnel Syndrome Related to Computer Exposure at Work?

A Review and Meta-Analysis
Objective: A meta-analysis on epidemiological studies was undertaken to assess association between carpal tunnel syndrome (CTS) and computer work.
Methods: Four databases (PubMed, Embase, Web of Science, and Base de Donnees de Sante Publique) were searched with cross-references from published reviews. We included recent studies, original epidemiological studies for which the association was assessed with blind reviewing with control group. Relevant associations were extracted, and a metarisk was calculated using the generic variance approach (meta–odds ratio [meta-OR]).
Results: Six studies met the criteria for inclusion. Results are contradictory because of heterogeneous work exposure. The meta-OR for computer use was 1.67 (95% confidence interval [CI], 0.79 to 3.55). The meta-OR for keyboarding was 1.11 (95% CI, 0.62 to 1.98) and for mouse 1.94 (95% CI, 0.90 to 4.21).
Conclusion: It was not possible to show an association between computer use and CTS, although some particular work circumstances may be associated with CTS.

Source: Mediouni, Zakia MD; de Roquemaurel, Alexis MD; Dumontier, Christian MD; Becour, Bertrand MD; Garrabe, Hélène; Roquelaure, Yves MD, PhD; Descatha, Alexis MD, PhD. Journal of Occupational & Environmental Medicine: February 2014, Volume, Issue 2, p. 204–208.

Moving food and drink

Manual handling solutions for the food and drink industries
This book is aimed at employers and dutyholders within the food and drink industry. It discusses manual handling risks and solutions.
Specifically, it covers:
- the main causes of injuries
- handling raw materials
- production
- packing into containers
- stacking and moving containers
- handling equipment
- off-site delivery
The introduction in this new edition has been revised but the case studies remain unchanged.

Source: http://www.hse.gov.uk/pubns/books/hsg196.htm

Musculoskeletal and neurological injuries associated with work organization among immigrant Latino women manual workers in North Carolina

BACKGROUND: This analysis examines the associations of work organization attributes among Latino women in manual occupations with musculoskeletal and neurological injuries. METHODS: Participants included 234 women in western North Carolina. Outcome measures included epicondylitis, rotator cuff syndrome, back pain, and carpal tunnel syndrome. Independent measures included indicators of job demand, job control, and job support, as well as personal characteristics. RESULTS: Latina workers commonly experienced epicondylitis, rotator cuff syndrome, back pain, and CTS. Awkward posture and decision latitude were associated with epicondylitis. Rotator cuff syndrome was associated with awkward posture and psychological demand. Awkward posture and psychological demand, and decreased skill variety and job control were related to CTS. CONCLUSIONS: Work organization factors are potentially important for musculoskeletal and neurological injury among vulnerable workers. Research is required to understand the associations of work and health outcomes of these women. Policy initiatives need to consider how work organization affects health.

Source : Arcury TA, Cartwright MS, Chen H, Rosenbaum DA, Walker FO, Mora DC, Quandt SA. Am. J. Ind. Med. 2014.

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