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The effects of perceived stress on biological parameters in healthcare professionals: A systematic review

Dawe K, Montgomery A, McGee H, Panagopoulou E, Morgan K, Hackshaw L, et al.

J Health Psychol, 2016 05;21(5):607-18.
PMID: 24829376 DOI: 10.1177/1359105314532970

We synthesised evidence on biological correlates of psychological stress in hospital-based healthcare professionals, and examined whether there was evidence of consistent biological changes. Electronic databases were searched for empirical studies; 16 articles (0.6%) met the inclusion criteria. Evidence of a relationship between indices of psychological stress and biological parameters was limited and inconsistent. There was some evidence of a consistent relationship between natural killer cells and lymphocyte subpopulations. Considerable heterogeneity in the methods used was seen. Future prospective studies examining the relationship between indices of psychological stress and natural killer cells, including lymphocyte subsets, is required.

Matched MeSH terms: Occupational Diseases/physiopathology*
Non-front-fanged colubroid ("colubrid") snakebites: three cases of local envenoming by the mangrove or ringed cat-eyed snake (Boiga dendrophila; Colubridae, Colubrinae), the Western beaked snake (Rhamphiophis oxyrhynchus; Lamprophiidae, Psammophinae) and the rain forest cat-eyed snake (Leptodeira frenata; Dipsadidae)

Weinstein SA, Griffin R, Ismail AK

Clin Toxicol (Phila), 2014 Apr;52(4):277-82.
PMID: 24645905 DOI: 10.3109/15563650.2014.897352

Non-front-fanged colubroid snakes (NFFC; formerly and artificially taxonomically assembled as "colubrids") comprise the majority of extant ophidian species. Although the medical risks of bites by a handful of species have been documented, the majority of these snakes have oral products (Duvernoy's secretions, or venoms) with unknown biomedical properties/unverified functions and their potential for causing harm in humans is unknown.

Matched MeSH terms: Occupational Diseases/physiopathology
Fulltext Effect of working characteristics and taught ergonomics on the prevalence of musculoskeletal disorders amongst dental students

Khan SA, Chew KY

BMC Musculoskelet Disord, 2013;14:118.
PMID: 23547959 DOI: 10.1186/1471-2474-14-118

Work-related musculoskeletal disorders are one of the main occupational health hazards affecting dental practitioners. This study was conducted to assess the prevalence of Work-related Musculoskeletal Disorder (WMSD) amongst dental students. Possible correlations with the working environment and ergonomics taught in Malaysian dental schools were also sought.

Matched MeSH terms: Occupational Diseases/physiopathology
Development of prolonged standing strain index to quantify risk levels of standing jobs

Halim I, Omar AR

Int J Occup Saf Ergon, 2012;18(1):85-96.
PMID: 22429532

Many occupations in industry such as metal stamping workers, electronics parts assembly operators, automotive industry welders, and lathe operators require working in a standing posture for a long time. Prolonged standing can contribute to discomfort and muscle fatigue particularly in the back and legs. This study developed the prolonged standing strain index (PSSI) to quantify the risk levels caused by standing jobs, and proposed recommendations to minimize the risk levels. Risk factors associated with standing jobs, such as working posture, muscles activity, standing duration, holding time, whole-body vibration, and indoor air quality, were the basis for developing the PSSI. All risk factors were assigned multipliers, and the PSSI was the product of those multipliers. Recommendations for improvement are based on the PSSI; however, extensive studies are required to validate their effectiveness. multipliers, and the PSSI was the product of those multipliers. Recommendations for improvement are based on the PSSI; however, extensive studies are required to validate their effectiveness.

Matched MeSH terms: Occupational Diseases/physiopathology*
Fulltext Metal dust exposure and lung function deterioration among steel workers: an exposure-response relationship

Hamzah NA, Mohd Tamrin SB, Ismail NH

Int J Occup Environ Health, 2016 07;22(3):224-232.
PMID: 27392157 DOI: 10.1080/10773525.2016.1207040

BACKGROUND: Metallic dust is a heterogeneous substance with respiratory sensitizing properties. Its long term exposure adversely affected lung function, thus may cause acute or chronic respiratory diseases.
METHODS: A cross-sectional study was conducted in a steel factory in Terengganu, Malaysia to assess the metal dust exposure and its relationship to lung function values among 184 workers. Metal dust concentrations values (Co, Cr, and Ni) for each worker were collected using air personal sampling. Lung function values (FEV1, FVC, and %FEV1/FVC) were determined using spirometer.
RESULTS: Exposure to cobalt and chromium were 1-3 times higher than permissible exposure limit (PEL) while nickel was not exceeding the PEL. Cumulative of chromium was the predictor to all lung function values (FEV1, FVC, and %FEV1/FVC). Frequency of using mask was positively associated with FVC (Adj b = 0.263, P = 0.011) while past respiratory illnesses were negatively associated with %FEV1/FVC (Adj b = -1.452, P = 0.026). Only few workers (36.4%) were found to wear their masks all times during the working hours.
CONCLUSIONS: There was an exposure-response relationship of cumulative metal dust exposure with the deterioration of lung function values. Improvement of control measures as well as proper and efficient use or personal protection equipment while at work could help to protect the respiratory health of workers.

Matched MeSH terms: Occupational Diseases/physiopathology