1 / 12

SHIFT WORK & HEALTH

SHIFT WORK & HEALTH. Dr Omid Aminian. Shift Work. Shift work involves work at times other than normal daylight hours 7:00 AM to 7:00 PM 10%-20% all workers are doing shift work Night and shift work have been associated with: Immediate risk to worker safety

morrone
Télécharger la présentation

SHIFT WORK & HEALTH

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. SHIFT WORK&HEALTH Dr Omid Aminian

  2. Shift Work • Shift work involves work at times other than normal daylight hours 7:00 AM to 7:00 PM • 10%-20% all workers are doing shift work • Night and shift work have been associated with: Immediate risk to worker safety Long term risk to worker health • Up to 20% of all worker are unable to tolerate working at night

  3. Biologic Rhythms • Ultradian: frequency of less than one cycle every 20h for example REM • Infradian: periods greater than 28h for example menstural cycle • Circadian: oscillate with a frequency close the24h for example body temperature Human biologic rhythms have a 25h cycle

  4. Human variable observed to follow a circadian rhythms • Body temperature • Serum corticosteroids & electrlytes • Cardiovascular functions • Gasteric enzyms secretion • Leukocyte count • Muscle strength • Alertness & mood • Immediate & long term memory

  5. Shift lag - Dyschronism • Strong circadian control: Body temperature Hypothalamic –pituitary-adrenal axis • Weak circadian control: Sleep-wake cycle • Dyschronosis: Disruption of the circadian system

  6. Sleep Deprivation • Sleep deprivation is the most significant complaint in shift work • About 62% of night worker complain sleep deprivation • Shift work affects not only sleep length but also sleep quality • REM decrease in the sleep after night work

  7. Condition That May Be Exacerbate By Shift Work • Sleep disorder • Asthma • Coronary artery disease • Psychiatric disorder • Epilepsy • Gasterointestinal disease • Shift maladaption syndrome • Long-term drug therapy

  8. Shift Work maladaptation syndrome • 10%-20% all shift worker • Chronic sleep disturbance & fatigue • Gasterointestinal symptoms • Alcohol and drug abuse • Depression • Difficult inter personal relationships • Use of sleeping pills • Higher accident

  9. 40,000,000 Americans suffer from sleep disorders that effect the quality and quantity of their sleep. • Only 35% of adults sleep the recommended 8 hours or more per night during the work week. • 56% of adults report symptoms of insomnia a few nights a week.

  10. Common Negative Effects of Shift Work • Lack of Communication between staff on different shifts. • Lack of “Teamwork”. • Lack of concentration while on duty. • Potential Unsafe Conditions. • Stress/fatigue. • SHIFT LAG.

  11. Shift Lag • Mental Symptoms Increased Irritability-Stress-Forgetfulness Psychiatric disorder • Physical Symptoms Sleep disorder-Coronary artery disease- Gasterointestinal disease- Shift maladaption syndrome-Reproductiveeffects

More Related