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Principles of management of occupational and environmental diseases: prevention, compensation, and return-to-work. Chung-Li Donald Du, Center for Management of Occupational Injury and Diseases, National Taiwan University Hospital Jung-Der Wang

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slide1

Principles of management of occupational and environmental diseases: prevention, compensation, and return-to-work

Chung-Li Donald Du,

Center for Management of Occupational Injury and Diseases, National Taiwan University Hospital Jung-Der Wang

Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health

outline
Outline
  • Occupational health
  • Occupational injury
  • Occupational medicine as a specialty
  • Occupational health care and management
  • Notification or surveillance of occupational injury and diseases
  • From ad hoc system to prevention, compensation, return to work (PCR) integration in Taiwan
  • PCR model and perspective
health
Health
  • WHO charter: Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity
occupational and environmental factors in the health circle

Broad social, economic, cultural, health, and environmental conditions and policies at the global, national, state, and local levels

  • Living and working conditions may include:
  • Psychosocial factors
  • Employment status and occupational factors
  • Socioeconomic status (income, education, occupation)
  • The natural and builtc environments
  • Public health services
  • Health care services

Living and working conditions

a

Social, family and community networks

Individual behavior

Innate

individual traits:

age, sex, race, and

biological

factors

---

The biology of

disease

Over the life span

b

NOTES: Adapted from Dahlgren and Whitehead, 1991. The dotted lines denote interaction effects between and among the various levels of health determinants (Worthman, 1999).

Occupational and environmental factors in the health circle
occupational health status
Occupational Health Status
  • rapid proliferation of new industrial materials, new production methods, and new commercial products
  • little attention to the need and assessment of their impact for the human health and environment
  • The newly used chemicals developed by industries are even seldom tested for toxicity for animals or humans
occupational health status6
Occupational Health Status
  • practicing physicians take the burden of diagnosing, treating and if possible preventing work-related illness or injury
  • Even the medical and biological professionals are exposed to microbial agents, including bacteria, virus, fungi and parasites
  • Occupational infection could occur after contact with infected persons, with infected animal or human tissue, secretions, or excretions
occupational health status7
Occupational Health Status
  • “ergonomics” or human factor engineering has been introduced into the workplace
  • workers’ health problem arise from designs of workstations, tools, equipments or work procedures
  • physical agents such as noise or vibration, heat or cold, and ionizing or non-ionizing radiation
  • four steps of industrial hygiene -- anticipation, recognition, evaluation, and control of health hazards to reduce occupational hazard
occupational health status8
Occupational Health Status
  • work stress - increasingly important health problem; the ability to predict a stress response or make diagnosis of work stress related psychological and physiological disability is poor
  • the number of compensation claim of work related circulatory disease increased
  • workplace wellness and occupational health education program evolved
  • quit smoking, healthy diet, exercise, stress management and cardiovascular disease prevention
slide9

Occupational mortality - disease more than injury related to occupation

Fatality,

Disabling Injury

1

ILO

30 LWC

300 Recordable

30,000 Near Misses

300,000 At-Risk Behaviors

taiwan s occupational disease underestimated
Taiwan’s occupational disease underestimated

Statistics of Asian occupational disease 1990-1997

occupational health status11
Occupational Health Status
  • In Taiwan there is still a underreporting of occupational disease, according to Bureau of Labor Insurance (BLI) statistics, if pneumoconiosis is excluded, the number of occupational disease is less than two hundred cases per year in recent two decades
  • which is around one in ten or one in a hundred of expected number, after comparison with neighboring countries, such as Japan, Korea Singapore, or USA
occupational injury
Occupational injury
  • Taiwanese workers suffered an estimated 36,000 fractures, amputations, lacerations, and hundreds of eye injury and burns out of occupational causes.
  • The most common occupational injuries involve musculoskeletal system or musculoskeletal diseases
  • strain, sprain, tendonitis, bursitis, myositis, arthritis - usually produced by repeated movement and muscle strain.
slide13

National

Health

Insurance

occupational injury14
Occupational Injury
  • According to BLI, the percentage of occupational injury with temporary disability is about one fourth of ordinary injuries among workers
  • trend of increased occupational injury and disease – esp., after National Health Insurance System enacted in 1995
  • incur more than 6 billion NT$ in direct workers compensation costs
  • indirect cost: production delays, damage to equipment, and recruiting and training replacement workers
  • estimated to be five times, or about 30 billion NT$
occupational injury16
Occupational Injury
  • Workers’ compensation benefits - permanent total disability, temporary total disability, permanent partial disability, temporary partial disability, and survivor’s benefits.
  • In Taiwan, only lump sum but no annuity paid to the insured worker.
  • During rehabilitation period, only sick leave or designated auxiliary tools for handicapped are offered
  • no vocational or psychological counseling or retraining or job placement assistance, compared to United States or most European countries
medical expenses of five main occupational injury after nhi
medical expenses of five main occupational injury after NHI

Meanwhile,Labor insurance compensation

claim also increase dramatically !!

occupational medicine specialty
Occupational Medicine specialty
  • AD 1700, Bernardino Ramazzini, the father of occupational medicine and an Italian physician: De Morbis Artificum Diatriba
  • to work without acquiring a wretched disease that would make one’s work a curse rather than a love
  • diseases of metal digger, painters, midwives, glassmakers, potters, sewer worker
  • affliction by inhaling noxious gases and dusts, or from disorderly motions and improper postures of the body
occupational medicine specialty19
Occupational Medicine specialty
  • the primary care physician have taken the responsibility of health care for the industry
  • worker’s compensation issues usually followed after treatment
  • occupational compensation system emerged from Germany since mid-19 century
  • state (or government) run vs. private insurance carriers
  • most are compulsory, and even with penalties for not having insurance
occupational medicine specialty20
Occupational Medicine specialty
  • The employer’s responsibility which includes providing medical treatment and compensation benefits transferred to the insurance agencies
  • preventing injury or disease shared by the employer and the insurers or related authorities
  • reporting of occupational injury - employer
  • reporting of occupational illness - physicians
occupational medicine specialty21
Occupational Medicine specialty
  • occupational physician system accompanied the progress and change of industry
  • new legislation to protect the workers’ health and enhance their benefits
  • high-tech ages - labor force subjected to conditions never before confronted in the small shop or craftsman era
  • Production and profit are still the primary concern of company, not employee safety
  • practice of occupational medicine cover even a broader scope
occupational medicine specialty to meet the demand of society
Occupational Medicine specialty- to meet the demand of society
  • modern society occupational hazard - stress and related disease, musculoskeletal disorder
  • occupational physicians have to realize the regulatory or compensation system, able to design suitable occupational health program
  • To integrate occupational medicine with environmental, occupational safety and health
  • to serve for both the employer and employee
  • to discover new techniques or strategies
occupational health care management
Occupational health care & Management
  • Health care industry- cost containment, managed care system
  • Change is a requirement of life and an integral part of all complex endeavors of society, including the financing, provision and organization of health care service
  • Taiwan- National Health Insurance system, cover nearly all hospitals and clinics.
occupational health care management24
Occupational health care & Management
  • clinical managed care - to change the number or mix of services provided and to reduce the price paid for service
  • case management is a process, one component in the managed care strategy
  • the inclusion of salary replacement is not inherent to the health insurance managed care market
  • evaluation of quality of care, and timely return to work by injured employees more important in occupational health care
definition of case management
Definition of case management
  • ”case management is a collaborative process which assesses, plans, implements, coordinates, monitors, and evaluates the options and services required to meet an individual’s health needs, using communication and available resources to promote quality, cost-effective outcomes.”
  • major areas of activity - medical, financial, behavioral/motivational, vocational

the Commission for Case Manager Certification (CCMC)

occupational health care management26
Occupational health care & Management
  • In workers’ compensation, managed care must address a different objective-restoring a worker to health and productivity at the lowest cost.
  • New South Wales, Australia, the original Workers Compensation Act in1987 was later amended and renamed as “Workplace Injury Management and Workers Compensation Act” in 1998.
occupational health care management27
Occupational health care & Management
  • The act begins with notification of an injury by the employer, physician or patient
  • WorkCover New South Wales, make early contacts with all parties, assess the claim and performing medical examination at the request of employer or employee
  • The goal of injury management is to achieve optimum results in terms of the timely, safe and durable return to work for workers following workplace injury
occupational health care management28
Occupational health care & Management
  • All parties- the insurer, employer, injured worker and treating doctors, are required to cooperate and participate in the injury management process to ensure that optimum return to work results are achieved
  • This injury management code - the return to work program, the return to work coordinator, accredited rehabilitation provider, provision of suitable duties, keeping information confidential, and training and employment programs
notification or surveillance of occupational injury and diseases
Notification or surveillance of occupational injury and diseases
  • notification is a basic obligation in Australia as well as in Singapore and Germany, followed by the insurer or authorities to assist if the injured worker are eligible for compensation
  • Most occupational compensation system have an effective reporting system
  • no mandatory notification program in occupational compensation system in Taiwan would greatly cause the injured worker to be neglected, poorly rehabilitated, and at risk of job loss
notification or surveillance of occupational injury and diseases30
Notification or surveillance of occupational injury and diseases
  • Department of Health of Taiwan had launched a “work related disease notification system” since 1996, which encourage physicians, either from clinic, hospital or factory to be reporting resources
  • Until now, there are more than ten thousand cases reported. Most of them are injures, decompression sickness, hearing impairment and sharp injury
  • However, following management process is not linked to compensation or jurisdiction system in Council of Labor Affairs
notification or surveillance of occupational injury and diseases31
Notification or surveillance of occupational injury and diseases
  • In National Taiwan University Hospital, an in-hospital emergency room (ER) surveillance system was started since last Sep (2003)
  • ER : chemical injury, eye injury, occupational trauma, electrocutions and welder’s disease.
  • Taipei county government independent law in 2002 to punish those employer or practicing physicians within geographical boundary not to report occupational disease
  • In summary, the reporting of occupational injury or disease is still not “Notifiable”
from ad hoc system to prevention compensation rtw integration
From ad hoc system to prevention, compensation & RTW integration
  • WHO “ Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.”
  • occupational injuries and illness may cover social consequences including workers’ psychological and behavioral responses, vocational function and family and community relationship
  • 5 Levels of public health principle : Health promotion -> special protection -> early diagnosis & treatment -> restriction of disability –> rehabilitation and return to work
from ad hoc system to prevention compensation rtw integration33
From ad hoc system to prevention, compensation & RTW integration
  • most injured workers report that the primary treating physician did not give them any advice about the prevention of further injury
  • a large proportion (38%) of injured workers experience a reinjury after returning to work
  • many return to their jobs after a work injury continue to experience residual pain
  • Satisfaction with medical care provided through workers’ compensation generally lower than for general health care provided for non-occupational conditions

Dr. Pransky et al. AJIM, 2001

pcr case management model
PCR case management model
  • PCR--- Prevention

Compensation

Rehabilitation (Return-to-work)

  • Benefits as :
  • reduction of injury with disability
  • encouraging return to work
  • save medical and insurance cost
center for management of occupational injury disease
Center for Management of Occupational Injury & Disease

~Since Apr,26,2003

  • Joint collaboration among Council of Labor Affairs (Bureau of Labor Insurance) and the hospital
  • Develop intra-and extra- mural surveillance system
  • Setup of standard diagnosis and case management model
  • Workability evaluation technique and occupational rehabilitation
case demand management
Case Demand & Management
  • Physical examination
  • Job evaluation
  • Medical consultation
  • Special exam.
  • Factory walkthrough
  • Occupational disease diagnosis
  • Treatment of injury and disease
  • Prevention of occupational injury
  • RTW demand
  • Compensation demand
  • Drugs
  • P.T
  • O.T
  • other
  • Health screen
  • Safety advise & education
  • Work hardening
  • negotiation
  • Certification
  • Free charge of visit
  • Support resources
seven ways of reactive prevention of occupational injury disease
Seven ways of reactive prevention of occupational injury/disease
  • Health screening
  • Surveillance
  • Occupational disease diagnosis
  • Disability evaluation
  • Worksite visit
  • Case management and counseling
  • Epidemiological study
slide38

Qualified medical screening / assurance

Computerization of database

Personal health evaluation

Action:weight reduction、quit smoking、body fitness

Prevention by Health Screening Process to Factory workers

walkthrough

exposure and HE items

questionnaire

screening of possible exposure workers

chronic illness factors evaluation

 data management (risk assessment)

follow up and health promotion

slide39
疑似重金屬中毒、 鉛中毒 、砷中毒、 錳中毒、 黃磷中毒 汞中毒、 鉻中毒、疑似氣體、蒸氣危害

疑似異常氣壓疾病 

疑似農藥中毒

疑似皮膚病

疑似外傷

疑似塵肺症

疑似聽力損害

疑似腕隧道症候群

疑似針扎事件

疑似肌肉骨骼傷害

疑似職災死亡

其他與環境或職業相關疾病

Electrical & Chemical burns

Intoxication/pesticide

Occupational asthma, T.B., allergic pneumonitis, dermatitis

Hand injury (cut, tear, compression)

Amputation/fracture

Musculoskeletal disorder

Young stroke, CVD

HIVD, Peripheral neuropathy

Others

DOH, Taiwan

NTUH Surveillance

c ases management registration compiling advise communication follow up
Cases Management: registration, compiling, advise, communication & follow-up

16

12

8

4

PE

Pneumoconiosis

Needle stick

chemical

Mental Stress

fracture

noise

jurisdiction

retinopathy

CTS

Amputation

HIVD

dermatitis

insomnia

RSI

Solvent expo.

fascistic

T.B

disability evaluation return to work flowchart

Worksite Job evalu.

W.E need verified by Physician or OT

Job Hx.content analysis、ADL、Pain、FCE & other tests (eg. interest、altitude、IQ、personality)

Work hardening

Refer for physical training

Exercise & training

RTW

Disability Evaluation & Return To Work flowchart
from ad hoc system to prevention compensation rtw integration43
From ad hoc system to prevention, compensation & RTW integration
  • questionnaire and telephone interview to 390 patients occupational injury workers hospitalized
  • followed 3 to 6 months - cause of their injury, medical treatment process, rehabilitation condition, return to work status, the compensation or subsidiary awarded
  • 34 % of the injured workers are not back to their former job, of them more than one third were even with poor medical recovery
  • employees already return to work - residual pain is usually a problem and demand for health and compensation information

The Center for Management of Occupational Injury and Disease (CMOID), NTUH

Extramural surveillance program

from ad hoc system to prevention compensation rtw integration44
From ad hoc system to prevention, compensation & RTW integration
  • Factors affecting return to work for workers with occupational upper extremity fracture - 110 patients with telephone interview
  • Censored at six month - more than 20 % of workers unable to return to work
  • the most important factors are fracture site, without fixed employer, and poor self perceived workability
  • timely ambulance to the hospital, compensation assistance, functional capacity evaluation - influential
  • though quality of life improved with time, not all the four domains, physiological, psychological, social, and environmental aspects presented a consistent progress (WHOQOL)

The Center for Management of Occupational Injury and Disease (CMOID), NTUH

~ Epidemiological study

from ad hoc system to prevention compensation rtw integration45
From ad hoc system to prevention, compensation & RTW integration
  • an integrated health care model –unification of prevention, compensation and return-to-work is expected to meet the purpose of protecting occupational injured workers
  • Generalizability to different health conditions, eg. lower extremity injury, occupational low back pain may be needed
  • other key issues – disability phases, settings, improving measurement instruments
  • combining research methods- satisfaction, demand/supply, cost/effectiveness
successful return to work
Successful Return To Work
  • John- Hopkins COEH study of before(1989-1992) and after RTW program(1993-1999):
  • reduction of workday loss55 %
  •  injury workers proportion from 26.3% down to 12 %
  •  Partial workability recovery proportion from 0.63 % up to 13.4 %
  • Case management cut down the cost of compensation 23%
  • Joint effort of occupational physician, nurse, case manager, safety specialist, insurance company, employee and injured worker
pcr model and perspective
PCR model and perspective
  • General health care to the workers has focused more on treatment; prevention is not part of many clinical health practices
  • PCR is a multi-disciplinary team work to meet the diversified needs of the working population
  • PCR is evidence-based and coincide with WHO, public health spirit
  • efficiently incorporating worker-centered case management health care delivery
  • technical development and in-depth research warranted
pcr model and perspective48
PCR model and perspective
  • To intervene and to reduce the economic and social impact would be the destiny of occupational & environmental medicine
  • It is expected through effective surveillance and PCR model, we would be able to improve the well-being of those workers who are unfortunately injured in the workplace

Thank you for your attention!