GBZ56-2016 English PDF

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GBZ56-2016: Diagnosis of occupational byssinosis
Status: Valid

GBZ56: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GBZ 56-2016	159	Add to Cart	3 days	Diagnosis of occupational byssinosis	Valid
GBZ 56-2002	319	Add to Cart	3 days	Diagnostic Criteria of Byssinosis	Obsolete

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Basic data

Standard ID: GBZ 56-2016 (GBZ56-2016)
Description (Translated English): Diagnosis of occupational byssinosis
Sector / Industry: National Standard
Classification of Chinese Standard: C60
Classification of International Standard: 13.100
Word Count Estimation: 8,872
Date of Issue: 2016-08-23
Date of Implementation: 2017-02-01
Older Standard (superseded by this standard): GBZ 56-2002
Regulation (derived from): State-Health-Announcement (2016)14
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GBZ56-2002: Diagnostic Criteria of Byssinosis

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Diagnostic Criteria of Byssinosis ICS 13.100 C60 GBZ People's Republic of China National Occupational Health Standards Diagnostic criteria for cotton and dust Released in.2002-04-08 2002-06-01 Implementation Issued by the Ministry of Health of the People's Republic of China

Foreword

Article 5.1 of this standard is recommended and the remainder is mandatory. According to the "People's Republic of China Occupational Disease Prevention Law" to develop this standard. Since the implementation of the standard date, the original standard GB 16376-1996 inconsistent with this standard, subject to this standard. Long-term occupational exposure to cotton dust, hemp and other plant dust can cause respiratory obstruction characterized by cotton dust disease. For protection Touch the body's health, effective prevention and control of cotton dust, the development of this standard. Appendix A to this standard is an informative appendix, Appendix B, and C is a normative appendix. This standard is proposed and centralized by the Ministry of Health of the People's Republic of China. This standard by the Chinese Center for Disease Control and Prevention of occupational health and poisoning control is responsible for the drafting by the Beijing Municipal Labor and Health Service Institute of Industrial Diseases, Heilongjiang Province, Institute of Occupational Disease Prevention and Control of Occupational Diseases, Tianjin Occupational Disease Prevention and Control Hospital to participate in the drafting. This standard is interpreted by the Ministry of Health of the People's Republic of China. Diagnostic criteria for cotton and dust Cotton dust is caused by long-term exposure to cotton, linen and other plant dust, with a characteristic chest tightness and/or chest Boring, shortness of breath and other symptoms, and acute ventilation dysfunction in the respiratory tract obstructive disease. Long-term recurrent can cause chronic ventilation Functional damage.

1 Scope

This standard specifies the diagnostic criteria and treatment principles of cotton dust. This standard applies to the diagnosis and treatment of cotton dust.

2 diagnostic principles

According to the occupational history of long-term contact with cotton, hemp and other plant dust, with characteristic respiratory symptoms and acute or chronic Pulmonary ventilation dysfunction, combined with on-site labor hygiene investigation, excluding smoking and other causes of obstructive respiratory system Disease, can be diagnosed.

3 observation object

Occasionally chest tightness and/or chest tightness, shortness of breath and other characteristic respiratory symptoms, the first second forced vital capacity FEV1.0 decline, but after the class and the class before the decline in the amount of not more than 10%. Diagnostic and grading standards 4.1 cotton dust Ⅰ grade Often appear after work on the first day or week of work week, there are chest tightness and/or chest tightness, shortness of breath and other characteristics Sexual respiratory symptoms. FEV1.0 class after the class compared with the decline of more than 10%. 4.2 cotton dust level Ⅱ Respiratory symptoms continue to increase, accompanied by chronic ventilation dysfunction, FEV1.0 or forced vital capacity FVC less than 80% of the estimated value.

5 Principles of handling

5.1 Principles of treatment According to the principle of treatment of obstructive respiratory disease, symptomatic treatment based. 5.2 Other processing 5.2.1 Observe subjects should be regularly checked for health to observe changes in condition. 5.2.2 cotton dust Ⅰ patients should be symptomatic treatment, if necessary, from the dust operation. 5.2.3 cotton dust Ⅱ patients should be transferred from contact with cotton, linen and other plant dust work, and symptomatic treatment.

6 Correct use of the description of this standard

See Appendix A (informative), see Appendix B (normative).

Appendix A

(Informative) Correctly use the instructions in this standard A.1 This standard applies to long-term exposure to cotton, linen, soft marijuana and other plant dust caused by cotton dust, such as textile, Playing cotton, made of carpets, such as cashmere. Does not include the first contact with cotton and other plant dust caused by the "cotton fever (mill fever)" and "Weavers cough". A.2 According to domestic and foreign information, cotton dust disease age is generally more than 10 years. Some cotton, felt felt factory due to poor cotton, Dust concentration, the incidence of life can also be about 4 years. Had occurred "cotton hot" workers prone to cotton dust, the clinic Off reference. A.3 Symptomatic inquiries should be made using the standardized questionnaires in Appendix B, by experienced doctors. Positive history should be Interval after a period of time to repeat the inquiry to ensure the reliability of the results. A.4 Sympathetic respiratory symptoms refers to a specific time onset, caused by respiratory obstruction caused by chest tightness and/or chest Stuffy, shortness of breath, may be associated with cough and a small amount of expectoration. Symptoms begin to occur more than a few hours after the first working day of work. But with the development of the disease, in addition to the first working day outside the other working days can also occur. A.5 typical respiratory symptoms are chest tightness, but the workers of the main expression may be different, such as can be called for chest tightness, Chest oppression, shortness of breath, chest discomfort, gas hold and so on. A.6 pulmonary dysfunction should be followed up, repeated determination, comprehensive assessment. A.7 Ventilation function is used to calculate the expected value of the local population of the laboratory.

Appendix B

(Normative appendix) Contact with cotton, hemp dust workers respiratory symptoms Table B1 Name Sex Height cm Weight kg The date of birth Mailing address Occupational history Beginning and end of the year factory workshop job length year, month/12 Dust concentration mg/m3 Pick up the amount of dust mg years cough Do you often wake up in the morning or get up when you cough? (Including the first smoking cough and the first time to go outdoors cough, clear throat occasionally cough one or two count; Often "means 5 days or more per week or more). whether 2. Do you often cough during the day or night? (Such as 1,2 are answered "no", I would like to ask 6) whether 3. Do you have a cough for most days every year for three months or more? ("Yes" ask 4, "no" ask 6) whether 4. Has this cough been a few years? year 5. Does your coughs increase in the winter? 6. Do you have a cough on a particular day in the week? ("Yes" ask 6a, "no" ask 7) whether 6a. Which day? After work and then work first, two, three, four, five, six days; not fixed (in the corresponding place to plan "") Sputum Do you often get up when you get up in the morning? (Including the first smoking sputum and the first out of the phlegm, not from the nasal cavity to the sputum) whether 8. Do you often spit on day or night? (Such as 7,8 are answered "no", ask 12) whether 9. Do you have such a cough for three months or more every year? ("Yes" asked 10, "no" asked 12) whether 10. Does every sputum increase in the winter? whether 11. How have sputum been for several years? year tuberculosis Emphysema Bronchial dilatation Chronic pulmonary heart disease Bronchial Asthma Chest tightness 12. Do you feel tight or chest tightness? ("Yes" ask 13, "no" ask 14) whether 13. Does your chest tightness or chest tightness work after the first day of work? whether 13a. Do you have this symptom on the first day after work? whether 13b. This symptom lasts for several days in the week? day 14. Did you ever have a tight chest or chest tightness? ("Yes" ask 14a, b, "no" ask 15) whether 14a. Did your chest tightness or chest tightness go to work the first day after work? whether 14b. How many years did this symptom last? year Shortness of breath 15. Do you feel short and short when you go fast or go upstairs? 16. Do you feel short or short when you are traveling on the same day as your own age? 17. Do you have to stop and take a break because of the shortness of breath when walking on the ground? 18. Does the shortness of breath are more pronounced in a particular day in the week? 18a. Which day? fever Do you have had a fever at work or during work? 19a. When did this fever begin to happen? Just entered the factory work Years later 20. Have you ever had the following situation? 20a. For the first time to do contact with linen, cotton after work? 20b. A lot of contact with linen, cotton dust after? 20c. Out of contact with hemp, cotton after work? Past illness 21. Do you suffer from the following diseases? (In the "Yes" project "3", and in the subsequent detailed record began to occur , Duration, frequency of occurrence, and diagnostic unit) heart disease Chronic bronchitis pneumonia pleurisy Hay fever (or other allergic diseases) Continued Table B1 Smoking 22. Do you smoke now? ("No" Will 23) whether 22a. How old are you going to smoke? year old How many years have you been smoking year 22c. Your smoking? Cigarettes branch/d tobacco leaf g/w Cigar branch/d Have you ever smoked? whether 23a. How old are you going to smoke? year old 23b. Have you quit smoking for a few years? year 23c. Past your smokers? Cigarettes branch/d tobacco leaf g/w Cigar branch/d Appendix C. (Normative appendix) Methods and requirements for the determination of pulmonary function C.1 Determination of the project VC lung capacity FVC forced vital capacity FEV1.0 first second forced vital capacity C.2 Requirements when selecting the instrument a. Instrument accuracy should be maintained at full 50mL or reading error within 3%. b. The vital capacity of the instrument was in the range of 0 ~ 7 L (BTPS). c. The flow rate device should be able to measure the flow rate of 0 to 12 L/s. d. The instrument should have an average capacity level associated with the BTPS state. e. A device that records flow rate - capacity or time - capacity. Determination of FEV1.0 when the minimum paper speed should be 2cm/s, capacity to Less per liter should be 10 mm high. f The time for the instrument to accumulate gas should be kept at least 10 times, and the flow rate is between 25 mL/s and 50 mL/s. Should not stop at least within 0.5s. g The instrument should be able to be calibrated in the field, and the capacity calibration device should provide at least 2L capacity displacement. use Before the level of regulation, check the pulley rotation, so that the resistance to a minimum. C.3 method C.3.1 was measured in the absence of influenza and respiratory tract infection. Subjects can take stations or sitting, repeat the determination Should keep the same posture as before. Nose clip. Subject to stop smoking the same day, before the test should be resting for 10min. C.3.2 The same instrument is used in the experiment. C.3.3 Let the subjects release the clothes. When measuring, keep the subject's neck slightly elevated and the neck to stretch. Ask the subject Slowly expanding chest fully inspiratory to the maximum amount, with the greatest effort, the fastest speed, completely uninterrupted blowing into the spirometer. C.3.4 FVC measurements that meet the requirements should be made at least three times, and the difference between the two best results should be 5% or 01L within. Using FVC and FEV1.0 the largest value. Corrected with BTPS status. C.3.5 should be measured after work to work the first day of lung ventilation function. "Work off" refers to leave the contact dust more than 36 h. C.3.6 should be measured in the working day before the lung function of the class before the assessment of acute ventilation function decreased. "After class" refers to work workers For 6 h after. Where the post-FEV1.0 reduced, should be sprayed bronchodilator 20 min after the determination of a time, Measured by 15% or more inhalation test positive. C.4 Precautions The following should be considered unqualified. a. Exhaled before reaching the maximum degree of inspiration; b. In the whole breath process did not use the maximum strength; c. Continuous breath is less than 58 or the time capacity curve does not appear obvious flat; d. In the course of inspiration or exhaling cough or close glottis; e. Mouth or pipe obstruction (tongue, denture and other reasons); f Breath start slowly, difficult to determine the starting point; g The difference between the three measurements is greater than 10%. ......

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