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MINISTRY of HEALTH UKRAINE Higher state educational establishment of Ukraine «Ukrainian medical stomatological academy» “It is ratified" on meeting of Department of Accident Aid and Military Medicine Manager of department DMSc, Associate Professor Shepitko K.V. 29.08.2016 METHODICAL INSTRUCTION FOR INDEPENDENT WORK OF STUDENTS DURING PREPARATION TO PRACTICAL EMPLOYMENT Goals and Objectives of sanitary and epidemic of the conditions of natural and man-made disasters. The concept of quarantine and observation Poltava-2016 1.Topic relevance Timely providing oforganization of sanitary-hygienic and epidemic security for population affected by natural, technological and social accidents and organization of infection department in area of specially dangerous infections to help restore the health of victims, their rapid return to normal life, the maximal decrease of disability and mortality. 1. Educational objectives of the course are: 1. To be know following factors of epidemic area after situation accidents. 2. To calculate activity of epidemic center. 3. To be know the basic principles of emergency hygiene and preventive measures in emergency situation. 4. To be knowkinds of epidemic situation in area of situation accidents. 5. To be able to organize medical care of population in conditions of observations. 6. To be able to organize medical care of population in conditions of quarantine. 3. Basic knowledge, abilities, practical skills required for studying of the theme (interdisciplinary integration Courses Practical skills 1. Microbiology 1. To know the peculiarity of specially dangerous infections and their agents. 2.Lawyer’s basis 2. To know main laws about organization of sanitary-hygienic and epidemic security in the cells of natural and man-made disasters. 3.Safety of life functions 4. Latin language. 3. To usemain rules of people behavior during specially dangerous infections. 4. To use the Latin terminology in situations emergency. 4.1 Tasks for independent work during preparation to practical employment Following factors of - Presence in the areas of disaster unisolated sick epidemic area after situation accidents among the affected population and the possibility of spreading of agents; - Affected, those that require hospitalization, are evaluated in terms of risk of infection; - Healthy population exposed to infectious patients and require observation, measured in terms of risk of infection; - Environment, dangerous for human infection. Determination of activity of epidemic centerafter situation accidents the maximum incubation period of infectious diseases spread, is insufficient. At infection of patients with low immunity second peak of infection may occur after 2-3 incubation period after the first due to the transfer agent by persons who leaked asymptomatic infection. The basic principles of emergency hygiene and preventive measures in emergency situation providing medical assistance to populations in areas of disaster, prevention of appearance and spread of infectious diseases. The kinds of epidemic situation in area of situation accidents there are favorable, unstable, unfriendly and unusual Favourable condition means infectious diseases in the population are missing or there are not linked single cases. Unstable state among the population there are not some previously recorded infectious diseases, there appear group infections without further spread, i.e. no signs of the epidemic. Adverse condition there are group infections with a tendency to their further dissemination, or there appear isolated cases of especially dangerous infectious diseases (plague, cholera and others.). The state of emergency there is an epidemic or perceptible group lesions of especially dangerous infectious diseases. At emergency situation they conduct sanitary and epidemiological intelligence of areas to determine the boundaries of disease center and complex hygiene and preventive measures in it. Center of bacterial infection means cities, localities (place of temporary accommodation of the population) or objects of the economy that have undergone infection by bacterial means. Observation is a system of restrictive measures, a number of medical measures to prevent the spread of infectious diseases and strengthen health surveillance. Quarantine means the system of government measures, including regime-sealing, administrative and household, antiepidemic, sanitary and medical preventive measures to localize and eliminate hotbeds of infectious diseases. 4.2. Questions: 1. Following factors of epidemic area after situation accidents. 2. Determination of activity of epidemic center after situation accidents. 3. The basic principles of emergency hygiene and preventive measures in emergency situation. 4. The kinds of epidemic situation in area of situation accidents. 5. Quarantine. Definitions. Summary measures. 6. Observation. Definitions. Summary measures . 7. Emergency anti-epidemic commission, its structure and basic tasks. 4.2. Professional algorithms for forming practical skills and abilities: 1.To be know following factors of epidemic area after situation accidents. 2.To calculate activity of epidemic center. 3.To be know the basic principles of emergency hygiene and preventive measures in emergency situation. 4.To be know kinds of epidemic situation in area of situation accidents. 5.To be able to organize medical care of population in conditions of observations. 6.To be able to organize medical care of population in conditions of quarantine. 5. Detailedtheme content: Emergenciesrelatedtovarious types ofdisastersare a complexof sanitaryepidemiological andmedico-social problem and applytospecifichealthobjectivestoprovideEmergency medical aid (EMA)affectedandsanitary-epidemic support of the affected population. Emergencies for sanitary epidemiological service are sudden, often unexpected changes in the normal atmosphere, resulting from the disaster and its consequences, which are characterized by numerous fatalities, widespread illness and injury, a sharp deterioration of sanitary and epidemiological situation and extremely difficult epidemiological situation. In such circumstances rapid changes in the organization and the normal rhythm of the authorities, medical and health agencies are required. In extreme situations timely managed preventive work and prevention of deterioration of sanitary-epidemic state disaster areas bear particular importance. Activities must comply with the conventional control system in service of EMA in emergencies, it is important to consider the general principles of preventive work, especially the hygienic state of the environment in various disasters and their impact on multifactors of epidemic consequences. In areas of natural disasters and other emergencies epidemic focus should be regarded as the territory in which at some time and space people were infected by pathogens and infectious diseases and they spread massively. These limits define the following factors of epidemic area: - Presence in the areas of disaster unisolated sick among the affected population and the possibility of spreading of agents; - Affected, those that require hospitalization, are evaluated in terms of risk of infection; - Healthy population exposed to infectious patients and require observation, measured in terms of risk of infection; - Environment, dangerous for human infection. For determination of activity of epidemic center in the areas of disaster (at various infectious diseases), the maximum incubation period of infectious diseases spread, is insufficient. At infection of patients with low immunity second peak of infection may occur after 2-3 incubation period after the first due to the transfer agent by persons who leaked asymptomatic infection. Therefore, in determining the timing of epidemic center it is necessary to consider the presence of carrier. Each separately taken infectious disease among different population groups in the same region of disasters is spread unequally. The intensity of the origin and spread of infectious diseases is significantly influenced by communal device and sanitary living conditions of people in disaster areas and the locations of the evacuated population, and especially the susceptibility of the organism of people to each of a particular disease in extreme situations. The potential risk of human infection depends on municipal properties, including: -geographicalandclimatic conditions; -economic resources, andsocioeconomicstatus; - the level ofhygieneinthehome; - medicalsurveillanceandprevention; -drinking water andfood supply system; - the system ofcleaningandsanitation; -migration,contactwith animals; -outbreaks ofinfectionsandepidemic diseases. Infectious diseases are not peculiar to this area can be brought by visitors who arrived and other members of groups. The mechanism of infection transmission remains and acts in the centers for the duration of that pathogen survives in the environment, and at the presence of infectious patients in an environment of the affected population. At emergency situation there appear difficult sanitary conditions that require conduction of skilled hygienic and preventive measures. The basic principles of emergency hygiene and preventive measures in emergency situation are based on universal principles of health care, providing medical assistance to populations in areas of disaster, prevention of appearance and spread of infectious diseases. At the beginning of an emergency in a fast changing epidemiological situation timely sanitary and epidemiological intelligence becomes very important, that is quick information about the sources of infection and ways of its transmission. According to the results of this intelligence of sanitary and epidemiological state of emergency situation area can be rated as favorable, unstable, unfriendly and unusual. Favourable condition means infectious diseases in the population are missing or there are not linked single cases. Unstable state: among the population there are not some previously recorded infectious diseases, there appear group infections without further spread, i.e. no signs of the epidemic. Adverse condition: there are group infections with a tendency to their further dissemination, or there appear isolated cases of especially dangerous infectious diseases (plague, cholera and others.). The state of emergency: there is an epidemic or perceptible group lesions of especially dangerous infectious diseases. At emergency situation they conduct sanitary and epidemiological intelligence of areas to determine the boundaries of disease center and complex hygiene and preventive measures in it. Center of bacterial infection means cities, localities (place of temporary accommodation of the population) or objects of the economy that have undergone infection by bacterial means. The boundaries of infection center in such cases are borders of the cities, towns or individual objects of the economy. All measures of localization and liquidation of infection by biological agents are carried out according to plan of anti-bacterial protection that is developed by experts of sanitary-epidemiological service in conjunction with members of the general medical network. Performance and quality of work on localization and liquidation of centers largely depends on timely preparation of plan of action. In order to more differentiated approach to the implementation of these measures specialized services are established: administrative, anti-epidemic, quarantine, treatment and prevention and logistics. Management of services is the responsibility of heads of the relevant departments. For each service there is a defined list of specific tasks. The complex of specific activities is carried out directly on the objects of the economy. Managers of facilities provide an epidemic regime, including the decontamination area and production facilities, as well as a full decontamination of workers and employees. These events are held by the objects of forces that are prepared to work in the centers of accidents in advance. In the general system of measures aimed at localization and liquidation of centers of infectious disease leading place is given to quarantine (observation) measures. Their organization and conduction is under the direction of the local Emergencyanti-epidemiccommission. Carrying out quarantine measures is conducted by all Ministries, agencies and organizations in accordance with the plan of anti-bacterial protection of population. Quarantine regime is accompanied by the simultaneous introduction of observation at all related to the quarantine area of administrative areas. In imposing quarantine on large administrative and industrial center area of the city and directly adjacent towns, related to local transport, the total supply chain and trade and industrial activity are included into quarantine area. In terms of evacuation and dispersal of infection center outside the quarantine is expanded to include settlements where the evacuated population is located. The administrative area, where the quarantined focus of infection is located, and settlements in connection with the separation in these population centers of infection, is declared a quarantine area. Contaminated areas outside the settlements is dangerous to people and animals in it. In this regard, the contaminated area must be installed restrictive and warning signs, posts, and the epizootic and epidemiological surveillance for a period of selfdecontamination. Quarantine means the system of government measures, including regime-sealing, administrative and household, anti-epidemic, sanitary and medical preventive measures to localize and eliminate hotbeds of infectious diseases. Introduction of mandatory quarantine includes the following main groups of measures: - Surrounding fire or its armed protection, putting in the focus of commandant'sservice; - Strict control over entry and exit of people and removal of property from the zone of quarantine; - Prohibition of travel by road transport through center of infection and stops outside the designated areas for transit of railway and water transport; - The creation of observatories and observation of the events of those who were in the center of infection and dropped out outside the quarantine area; - Restriction of communication between different population groups; - Establishment of epidemic regime for the population of urban transport, commercial networks and public catering, facilities of the economy depending on the epidemiological situation, that is, the condition of continuity, the provision of food supplies and manufactured goods of prime necessity of compliance with epidemic regime; - Sanitary inspection of food and drinking water; - Establishment of a strict anti-epidemic mode of medical facilities; - Activities for disinfection of environmental objects, industrial products, and sanitization of the population; - Carrying out emergency and specific prevention; - Early detection of infectious patients, their isolation and hospitalization; - The destruction of disease vectors (disinsection and disinfestations) - strict control over the execution of people, enterprises, ministries and departments of the rules of quarantine; - Conducting sanitary-educational work among the population etc. Environment (armed guard) of quarantined area is to ensure its isolation and eliminate the spread of infection abroad. It is conducted by means of services and public order in cooperation with the military units of Interior with participation of the population. Along the perimeter of the main center of infection routes of movement of people and transport are located security posts. Around the clock patrols between posts, strict control over the movement of people between different quarantined settlements is conducted, restrictive signs, signs are established, put up posts on country roads, path, etc. To monitor the implementation of the epidemic mode when leaving and entering of the population, export and import of cargo checkpoints are established, including in its membership sanitary control points (SCP). Checkpoints as multi formation are created by executive committees of administrative areas that meet on the basis of the administrative apparatus of city and regional departments of various services. SCPs are deployed in the transmission of checkpoints by forces and means of health care. Checkpoints are deployed in towns on main routes, road, railway, water-near their crossing the border quarantine zone, as well as at airports, and if necessary - within the quarantine zone at the outputs of the center of infection. The main objective of checkpoints is to monitor the implementation of access control procedure established in accordance with preventive requirements. From the quarantine zone it is allowed to export any goods in the presence of instruments of their decontamination and safety. Exit of people from the zone of quarantine is solved in the cases when necessary if they have a certificate of observation. Import of cargo in quarantine area (for unloading places) is the strict implementation of the rules of quarantine by persons accompanying cargo, and transport teams. Individual experts and medical units bound for measures to eliminate the infectious center, as well as those areas of quarantine, which are resident in the territory, but left it to establish a quarantine are in the area of quarantine freely allowed. Export of goods from the quarantine zone is conducted after their decontamination. Instruments of disinfection of goods and their harmlessness seem departments - the shipper. Departure of persons who were temporarily in the quarantine zone (holidays, business trips, etc..), is decided after observation. For this purpose by the Executive Committee of People's Deputies of the pre-drafting plan observatories at the hotels, hostels, rest homes are established, etc. Medical surveillance is carried out in observatories during the period, equal to the maximum incubation period of infectious diseases, about which the quarantine was imposed. Observations are conducted by specially selected medical staff by regional and departmental health authority. Before entering the observatory the patients undergo medical examination at the observatory are inserted only healthy people. Supply for observed patients is organized service trade and public catering executive, and protection and respect for the service provided by public order. After the observation the patients in an organize way are delivered to the airport or train station to send in their neighborhood. When the cases of infectious diseases among observed period of observation is extended accordingly. Entry into quarantine zone permitted personnel groups and institutions and individual professionals that are sent to assist in the elimination of infectious disease center. In the quarantine area may be accepted also persons who permanently live in settlements where the declared quarantine and those returning from vacations, trips, etc., provided that they have documents. Persons entering quarantine zone must have supporting documents to conduct vaccinations and emergency prevention tools and customized products sewn. At the sites of the economy that continue to operate under quarantine, introduced preventive work, namely: - protection of workers and employees from exposure to bacterial products; - Early detection among workers and employees of infectious patients, their immediate isolation and establishment of monitoring individuals who were in contact with patients - activities for decontamination of the environment and production facilities; - Ensure timely conduction among workers and employees of preventive measures (emergency prevention, vaccination, etc..) - Disinfection of production, before removal from the quarantine zone with the issuance of relevant documents about its safety; - implementation by workers and employees established hygiene and preventive policies. With the introduction of quarantine consumer services - studios, hairdressers and others – are temporarily closed. Shops, commercial base syllables with food and other sales points close to the time of disinfection measures. Hours of operation of these enterprises in the future are determined depending on the selected pathogen and prevailing epidemic state. Public catering are transferred to service to employees working shifts, serving groups, observatories, hospitals, etc. Public transport quarantined cities will receive services workers that work shifts and do not stop working in quarantine. Movement of long-distance buses between different quarantined localities is usually stopped. Working hours of enterprises of communication is set according to the epidemiological situation in the quarantined city and towns all types of postal items (letters, packets, parcels, translations, periodicals, etc.) are accepted and delivered without any restrictions. Acceptance from people from quarantined area of postings, except telegrams to establish the type of pathogen, is usually ruled out. The complex of anti-epidemic measures in foci of infection disinfection areas, transportation, industrial and residential buildings, water, food and feed, and items of care and their secretions are the most important. Disinfection in places the invention of infectious diseases in hospitals, the main travelers highways, transport facilities of the economy that continue to work in the center of infection is primarily carried out. Decontamination of vehicles is done at stations of disinfection of transport conducted in cleaning offices of garages, parks, stores, clothes, shoes and soft inventory - at stations decontamination of clothing conducted at the laundries, dry cleaners. Sanitary treatment population, workers and employees who work during disasters, is in permanent or temporary flushing points that are deployed in a bath, shower facilities. Infected food should be promptly identified and utilized in non-food purposes or disinfected. Decontamination of food is carried out depending on the type of product. The most effective methods are boiling and autoclaving. Decontamination of individual drinking water is done by boiling (45 min in spore forms of the pathogen and 10 min – in vegetative). You can add one teaspoon of 3% hydrogen peroxide or 10 drops perhydrol to 1 liter of water, or a pill hydroperite to 5 liters of water and boil for 5 minutes. Adding pills pantothenatecide, aquacept to 1 liter of water keeping exposure to 30 min. Large amounts of water is disinfected in rate of 50 mg of substance on l liter for 24 h and 100 milligrams of substance per 1 liter with exposure for 1 h. Mine wells are disinfected by adding 80 g of perchloric lime in 1 liter of water at 3 h exposure takes into account activity bleach. Disinfection of epidemic center is conducted by special teams, consisting of disinstructor, disinfector and two volunteers (sanitary activists). In the general system of warning and preventive measures in case of largly contagious infectious diseases emergency prevention is paid special attention. Emergency prevention is a set of health measures carried out against people who are exposed to infection by pathogens of dangerous infectious diseases, to prevent the development of their infection. This measure is applied immediately - with the advent of information on infection or disease threatening human infections, as well as flares in the population of infectious diseases of unknown etiology. Emergency Prevention is divided into general and special. General Emergency Prevention is conducted to detect the type of pathogen that caused the infection. Special Emergency Prevention id conducted after the detection of the type of microorganism, its antibiotic sensitivity and confirmation of clinical diagnosis of infectious patients. Universal emergency prevention is conducted with antibiotics or chemotherapy of wide spectrum. Duration of prophylaxis can be reduced to 2-3 days according to the results of a specific indication. The duration of the special emergency prevention is set including nosological forms of infectious disease (the term of the incubation period), the properties of used antimicrobial agents, and prevention held before the general emergency. Quarantine may be replaced by observation of such infectious diseases as brucellosis, typhoid fever, rickettsiosis, deep mycosis, etc, i.e. infections where a person is not a source of infection, or if found agents are not related to especially dangerous infections. This replacement of quarantine regime observation is made only after disinfection or self decontamination of objects of the environment and complete sanitization of the population in the focus of infection. Observation is a system of restrictive measures, a number of medical measures to prevent the spread of infectious diseases and strengthen health surveillance. District principle of service for the population is preserved in the area of quarantine, however, due to the sharp increase in workload, currently existing medical areas are divided into smaller parts and micro districts. Each micro district should have selected and adapted premises to contain at Emergency situations (ES) offices of specialists in general medical network. At micro district in ES all work is performed by medical team consisting of one doctor, 2 nurses and 2 disinfectors and involving several volunteers (sanitary activists). The team is in charge for the selected area with a population of 1000-1500 people. Brigade is provided with material for guarding barrier for patients, drugs for emergency prevention, pharmaceuticals, boilers, special forms, lists of serviced population. In order to identify patients the medical team wards around the serviced micro districts 2 times a day with simultaneous conduct of thermometry, emergency prevention and sanitary education. Work of the crew is conducted under strict anti-epidemic regime. Personnel work under the supervision of a medical doctor. All crew members are provided with a full set of protective clothing - suits plague. Each team specifies each apartment lists the population living in the area, including visitors. Thermometry results are recorded in a special magazine. Data about temperature measurements at residents in the morning and evening are recorded in the temperature letter that is posted in doorways, on buildings, doors. This service facilitates the work of medical personnel. At the end of the day each team fills a special reporting form, which contains the following data: total number of residents in micro districts, the number of persons covered by thermometry, the number of persons with fever of unknown etiology, detection of patients with typical symptoms of this nosological form, the number of hospitalized patients, the number of patients left at home (specify reason), information on health and educational work. Transportation of infectious patients and persons with suspected infectious disease is carried by special transport separately. The same machine can transport patients with the same diagnosis. The patient is accompanied by a nurse, driver, nurse and nurse-porter. They should be in protective clothing of appropriate type. Nurse must have dishes to collect discharge the patient, underlay oilcloth, disinfectant solution,necessary medicine to provide emergency aid, oxygen. Ambulance vehicle after delivery of the patient in a hospital is disinfected by staff receiving department. Disinfect sanitary transport entry is made in the book of disinfection measures, and to route the letter put the stamp of spent decontamination. A. Tasks for self-education 1. As a result of Epidemiological and sanitary Intelligence and epidemiological state of emergency region can be estimated as: a). satisfactory b). unsatisfactory c). extremely difficult d). extraordinary 2. For the implementation of measures to localize and eliminate the epidemic center specialized services are created, including: a). police b). fire protection c). Pharmacy Network d).quarantine service 3. Sanitary control points are conducted by powers and means of: a). armed forces b). public safety c). fire protection d). health authorities 4. The main objective of checkpoints are: a). emergency and specific prevention b). early detection of infected people, their isolation and hospitalization c). conduction of health and education work among the population d). control over the implementation of access mode when leaving and entering of population, export and import of cargo 5. Decontamination of individual drinking water supplies in the affected zone can be made: a). by boiling b). defending c). Filter d). should not be done 6. Quarantine may be replaced by the following observation of infectious diseases: a). cholera b). plague c). anthrax d). brucellosis 7. In the area of quarantine medical point area: a). preserved b). divided into smaller points c). combined into larger d). district service principle is not preserved 8. Ambulance vehicle after delivery of the patient to hospital disinfected by: a). receiving department b). can not be disinfected c). checkpoints d). sanitary checkpoints 9. Rounds to each yard(apartment) in the area of quarantine are conducted: a). every other day b). 2 times a day c).once a day d). once a week 10. Members of the medical team that carry out the apartment rounds, are provided with: a). Combined masks b). civilian gas masks c). respirators d). plague costumes B. Tasks for final control of knowledge with answers: Task №1. Organization of epidemic infectious hospital treatment is relied on: a). chief physician of infectious hospital b). chief nurse of infection hospital c). Interior Ministry troops d). units of the armed forces Task №2. In the "clean" area of infectious hospital is located: a). catering department b). Department of pathologic anatomy c).Clinical Laboratory d).bacteriological laboratory Task №3. In the "infected" area of infectious hospital is located: a). pharmacy b). dormitories for staff c). administrative service d). receiving and sorting office Task №4. The composition of the train that carries the population evacuated from center of natural disaster exposed to quarantine: a). at the appearance of 10 infectious patients on the train b). the appearance of five sick on the train c). the appearance of 20 or more sick on the train d). composition of the train carrying the evacuated population, should not be under quarantine. Task №5. Transportation of persons with suspected infectious disease quarantine zone is: a). in one machine can be transported patients with a diagnosis b). in one machine can be transported patients with different diagnoses c). infectious patients may not be transported d). in one machine can carry only one patient Task №6. Preparation of buildings for deployment in their time of infectious hospitals is the responsibility of: a). head physician of health care institutions b). chief nursing of medical institutions c). public safety d). Police Task №7. Adding pills pantotsydu to 1 liter of water for disinfection follows the exposition: a) .1 hour b) .10 min c) .30 min g). 1 day Task №8. Noncontagious and little contagious infections include: a). plague B). cholera in). dysentery g). botulism Task №9. Largely contagious (especially dangerous) infections include: a). botulism B). brucellosis in). plague g). tularemia Task №10. In micro area of quarantine zone work medical team consisting of: a). 1st nurse and 1 doctor b). 1 nurse and 1disinfector c).1 doctor, 1 nurse and her 1 disinfector d). 1 doctor, 2 medical nurses and 2 disinfectors involving several volunteers from the public (health activists) References literature Basicreferences: 1. Methodical development of practical training for students of 2nd year stomatologydepartments: «Goals and Objectives of medical evacuation support under conditions of natural and man-made disasters. Types and amounts of aid. Medical triage ». Poltava, 2013 – 15ст. Additionalreferences: Methodical development of independent work for students of 2nd year stomatology departments: «Preparationtopracticallessons – theoreticaltrainingandstudingofpracticalskills.Preparation to the final module control».Poltava, 2013 – 14ст. Guidelines prepared by: PhD in Medical Sciences Assistant Professor V.V. Shevchenko