Surgery for subacromial impingement syndrome in relation to intensities of occupational mechanical exposures across 10-year exposure time windows

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Surgery for subacromial impingement syndrome in relation to intensities of occupational mechanical exposures across 10-year exposure time windows. / Dalbøge, Annett; Frost, Poul; Andersen, Johan Hviid; Svendsen, Susanne Wulff.

In: Occupational and Environmental Medicine, Vol. 75, No. 3, 2018, p. 176-182.

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@article{9404f40334144dc486fa226f08f4a4b3,
title = "Surgery for subacromial impingement syndrome in relation to intensities of occupational mechanical exposures across 10-year exposure time windows",
abstract = "OBJECTIVES: We aimed to identify intensities of occupational mechanical exposures (force, arm elevation and repetition) that do not entail an increased risk of surgery for subacromial impingement syndrome (SIS) even after prolonged durations of exposure. Additionally, we wanted to evaluate if exposure to hand-arm vibration (HAV) is an independent risk factor.METHODS: We used data from a register-based cohort study of the entire Danish working population (n=2 374 403). During follow-up (2003-2008), 14 118 first-time events of surgery for SIS occurred. For each person, we linked register-based occupational codes (1993-2007) to a general population job exposure matrix to obtain year-by-year exposure intensities on measurement scales for force, upper arm elevation >90° and repetition and expert rated intensities of exposure to HAV. For 10-year exposure time windows, we calculated the duration of exposure at specific intensities above minimal (low, medium and high). We used a logistic regression technique equivalent to discrete survival analysis adjusting for cumulative effects of other mechanical exposures.RESULTS: We found indications of safe exposure intensities for repetition (median angular velocity <45°/s), while force exertion ≥10{\%} of maximal voluntary electrical activity and upper arm elevation >90° >2 min/day implied an increased risk reaching ORs of 1.7 and 1.5 after 10 years at low intensities. No associations were found for HAV.CONCLUSIONS: We found indications of safe exposure intensities for repetition. Any intensities of force and upper arm elevation >90° above minimal implied an increased risk across 10-year exposure time windows. No independent associations were found for HAV.",
keywords = "ASSOCIATIONS, Acromioplasty, CIGARETTE-SMOKING, COHORT, Duration, Intensity, Job Exposure Matrix, MODELING TOTAL EXPOSURE, MOVEMENTS, MUSCULOSKELETAL DISORDERS, RESPONSE RELATIONSHIPS, RISK, SHOULDER, Shoulder Disorders, WORKING POPULATION",
author = "Annett Dalb{\o}ge and Poul Frost and Andersen, {Johan Hviid} and Svendsen, {Susanne Wulff}",
note = "{\circledC} Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.",
year = "2018",
doi = "10.1136/oemed-2017-104511",
language = "English",
volume = "75",
pages = "176--182",
journal = "Occupational and Environmental Medicine",
issn = "1351-0711",
publisher = "B M J Group",
number = "3",

}

RIS

TY - JOUR

T1 - Surgery for subacromial impingement syndrome in relation to intensities of occupational mechanical exposures across 10-year exposure time windows

AU - Dalbøge, Annett

AU - Frost, Poul

AU - Andersen, Johan Hviid

AU - Svendsen, Susanne Wulff

N1 - © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

PY - 2018

Y1 - 2018

N2 - OBJECTIVES: We aimed to identify intensities of occupational mechanical exposures (force, arm elevation and repetition) that do not entail an increased risk of surgery for subacromial impingement syndrome (SIS) even after prolonged durations of exposure. Additionally, we wanted to evaluate if exposure to hand-arm vibration (HAV) is an independent risk factor.METHODS: We used data from a register-based cohort study of the entire Danish working population (n=2 374 403). During follow-up (2003-2008), 14 118 first-time events of surgery for SIS occurred. For each person, we linked register-based occupational codes (1993-2007) to a general population job exposure matrix to obtain year-by-year exposure intensities on measurement scales for force, upper arm elevation >90° and repetition and expert rated intensities of exposure to HAV. For 10-year exposure time windows, we calculated the duration of exposure at specific intensities above minimal (low, medium and high). We used a logistic regression technique equivalent to discrete survival analysis adjusting for cumulative effects of other mechanical exposures.RESULTS: We found indications of safe exposure intensities for repetition (median angular velocity <45°/s), while force exertion ≥10% of maximal voluntary electrical activity and upper arm elevation >90° >2 min/day implied an increased risk reaching ORs of 1.7 and 1.5 after 10 years at low intensities. No associations were found for HAV.CONCLUSIONS: We found indications of safe exposure intensities for repetition. Any intensities of force and upper arm elevation >90° above minimal implied an increased risk across 10-year exposure time windows. No independent associations were found for HAV.

AB - OBJECTIVES: We aimed to identify intensities of occupational mechanical exposures (force, arm elevation and repetition) that do not entail an increased risk of surgery for subacromial impingement syndrome (SIS) even after prolonged durations of exposure. Additionally, we wanted to evaluate if exposure to hand-arm vibration (HAV) is an independent risk factor.METHODS: We used data from a register-based cohort study of the entire Danish working population (n=2 374 403). During follow-up (2003-2008), 14 118 first-time events of surgery for SIS occurred. For each person, we linked register-based occupational codes (1993-2007) to a general population job exposure matrix to obtain year-by-year exposure intensities on measurement scales for force, upper arm elevation >90° and repetition and expert rated intensities of exposure to HAV. For 10-year exposure time windows, we calculated the duration of exposure at specific intensities above minimal (low, medium and high). We used a logistic regression technique equivalent to discrete survival analysis adjusting for cumulative effects of other mechanical exposures.RESULTS: We found indications of safe exposure intensities for repetition (median angular velocity <45°/s), while force exertion ≥10% of maximal voluntary electrical activity and upper arm elevation >90° >2 min/day implied an increased risk reaching ORs of 1.7 and 1.5 after 10 years at low intensities. No associations were found for HAV.CONCLUSIONS: We found indications of safe exposure intensities for repetition. Any intensities of force and upper arm elevation >90° above minimal implied an increased risk across 10-year exposure time windows. No independent associations were found for HAV.

KW - ASSOCIATIONS

KW - Acromioplasty

KW - CIGARETTE-SMOKING

KW - COHORT

KW - Duration

KW - Intensity

KW - Job Exposure Matrix

KW - MODELING TOTAL EXPOSURE

KW - MOVEMENTS

KW - MUSCULOSKELETAL DISORDERS

KW - RESPONSE RELATIONSHIPS

KW - RISK

KW - SHOULDER

KW - Shoulder Disorders

KW - WORKING POPULATION

UR - http://www.scopus.com/inward/record.url?scp=85042926787&partnerID=8YFLogxK

U2 - 10.1136/oemed-2017-104511

DO - 10.1136/oemed-2017-104511

M3 - Journal article

C2 - 28823987

VL - 75

SP - 176

EP - 182

JO - Occupational and Environmental Medicine

JF - Occupational and Environmental Medicine

SN - 1351-0711

IS - 3

ER -