Surveillance and prevention of work‐related carpal tunnel syndrome: An application of the sentinel events notification system for occupational risks

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Abstract
In response to limitations in state‐based, occupational disease surveillance, the California Department of Health Services developed a model for provider‐ and case‐based surveillance of work‐related carpal tunnel syndrome. The objectives were to enhance case reporting, identify risk factors and high‐risk work sites, and link preventive interventions to work sites and the broader community. Using elements from surveillance of communicable diseases and sentinel health events, a model was integrated into the pre‐existing reporting system in one California county. Between 1989 and 1991, 54 Santa Clara County health care providers reported 382 suspected cases, of which 365 from 195 work sites met reporting guidelines. Risk factors were profiled from interviews of 135 prioritized cases and 38 employers. Of 24 work sites prioritized for a free, voluntary, nonenforcement inspection, 18 refused and 6 completed an on‐site visit. Sentinel Event Notification System for Occupational Risks (SENSOR) captured many cases not reported to the pre‐existing reporting system. Case interviews indicated a profile of symptoms and signs, treatment, and exposure to uncontrolled occupational risk factors, including a lack of training on ergonomics hazards. Employer health insurance, rather than workers' compensation, was the apparent source of payment for most medical bills. Employers lacked knowledge and motivation to reduce ergonomic risks. Governmentally mandated occupational ergonomics standards are urgently needed.