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GB 17020-2010: [GB/T 17020-2010] Delimitation and classification of Keshan disease areas
Status: Valid GB 17020: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 17020-2010 | English | 159 |
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[GB/T 17020-2010] Delimitation and classification of Keshan disease areas
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GB 17020-2010
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| GB 17020-1997 | English | 199 |
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Decide and delimit of Keshan disease endemic area
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GB 17020-1997
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Basic data | Standard ID | GB 17020-2010 (GB17020-2010) | | Description (Translated English) | [GB/T 17020-2010] Delimitation and classification of Keshan disease areas | | Sector / Industry | National Standard | | Classification of Chinese Standard | C61 | | Classification of International Standard | 11.020 | | Word Count Estimation | 5,592 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-06-01 | | Older Standard (superseded by this standard) | GB 17020-1997 | | Quoted Standard | GB 17021 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 2 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the determination Keshan disease area and by type basis. This standard applies to the Keshan disease area and type to be classified, described Keshan disease, Keshan disease epidemiological studies carried out, monitoring and control effect of examination and evaluation. | GB 17020-2010: [GB/T 17020-2010] Delimitation and classification of Keshan disease areas---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.
Delimitation and classification of Keshan disease areas
ICS 11.020
C61
National Standards of People's Republic of China
Replacing GB 17020-1997
Keshan disease endemic area determined and Classification
Issued on. 2011-01-14
2011-06-01 implementation
People's Republic of China Ministry of Health
Standardization Administration of China released
Foreword
All the technical contents of this standard is mandatory.
This standard replaces GB 17020-1997 "Keshan disease ward delimitation and type of division."
The main changes compared to the Standard and GB 17020-1997 are as follows.
--- Increasing the definition of history ward;
--- Emphasized Keshan disease cases local primary;
--- Ward type classification based primarily on Keshan disease prevalence and whether the acute type, subacute Keshan disease cases occur;
--- Ward Classification by Slow prevalence indicators Keshan disease incidence replace the original index;
--- Determine the criteria for the classification and type of ward determines the applicable years.
Appendix A of this standard is an informative annex.
This standard is proposed and administered by the People's Republic of China Ministry of Health.
This standard drafting unit. China Disease Prevention and Control Center, Institute of Endemic Disease Control Center grams mountain disease.
The main drafters of this standard. copper Wang Feng red, Hou Jie, PEI Jun-rui, Leach.
This standard replaces the standards previously issued as follows.
--- GB 17020-1997.
Keshan disease endemic area determined and Classification
1 Scope
The standard provides a basis for determining Keshan disease endemic area and type of division.
This standard applies to the determination of Keshan disease endemic area and type of division, described Keshan disease, Keshan disease conducted epidemiological studies, monitoring and
Examination and evaluation of control effect.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For cited documents with dates, all subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 17021 Keshan disease diagnostic criteria
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Keshan disease Keshandisease KD
Unknown cause of endemic cardiomyopathy; cardiac pathology major changes are substantial degeneration, necrosis and scarring, heart muscle was formerly
Expansion, cardiac chamber enlargement, wall thinning trend; the main clinical features of heart failure and arrhythmias.
3.2
Prevalence prevalencerate
Somewhere a disease prevalence in the population frequencies.
4 Ward determination
Ward determined township as a unit. According to the distribution characteristics (see Appendix A) Keshan disease areas to ward determination. Past or present
Subacute or acute type Keshan disease or have chronic Keshan disease cases exist in the township, it can determine the Ward Township, Keshan disease cases refers to the village of ward
Live less than six months, new hair Keshan disease, not foreign cases.
5 Types of ward
Keshan disease area is divided into the following types, all diagnosed cases See GB 17021.
a) serious illness Area
There are acute or sub-acute type Keshan disease occurrence or chronic Keshan disease patients is higher than 0.9% in the past five years.
b) in the ward
The past five years, no type of acute or subacute Keshan disease occurs, Keshan disease patients rate between 0.3% to 0.9%.
c) Light Ward
The past five years, no type of acute or subacute Keshan disease occurs, Keshan disease patients was lower than 0.3%.
d) History Ward
Type or a history of acute or subacute Keshan disease occur, but over the past five years no longer exist in cases of Keshan disease area.
Appendix A
(Informative)
Keshan disease area distribution
A.1 The disease was evident regional disease, and relatively stable range Ward. Within a province (region) range, only some counties, in a county
The range, is only part of the rural wards, while some counties and townships non-ward.
A.2 ward located in rural areas.
A.3 low selenium ward outside environment.
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