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Master's Dissertation
DOI
https://doi.org/10.11606/D.22.2020.tde-18032021-125133
Document
Author
Full name
Tamires Alessandra Mineli
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Ribeirão Preto, 2020
Supervisor
Committee
Ancheschi, Leila Maria Marchi Alves (President)
Andrade, Denise de
Magnabosco, Patricia
Toneti, Adrielle Naiara
Title in Portuguese
Avaliação da limpeza de comadres hospitalares submetidas a diferentes métodos de processamento
Keywords in Portuguese
Aparelho sanitário
Descontaminação
Desinfecção
Higiene
Infecção
Abstract in Portuguese
O manejo das comadres hospitalares requer rigorosas medidas de higiene para evitar que esses dispositivos se tornem fontes de contaminação. Contudo, os métodos e os riscos associados ao processamento desses utensílios sanitários são muitas vezes negligenciados pelos profissionais envolvidos no processo. O objetivo desse estudo quantitativo, descritivo, do tipo transversal foi avaliar a limpeza e desinfecção de comadres hospitalares submetidas a dois diferentes métodos de processamento. Os dados foram coletados em um complexo hospitalar de nível terciário localizado no interior do estado de São Paulo. Foram avaliados os resultados dos processos de limpeza e desinfecção de comadres hospitalares, distribuídas em dois grupos. O primeiro conjunto de materiais (Grupo 1) sofreu o processo de limpeza manual seguida por desinfecção com álcool etílico hidratado a 70%. O segundo grupo (Grupo 2) teve as comadres hospitalares submetidas à termodesinfecção sem limpeza manual prévia. O Glo Germ(TM) Liquid foi usado para simular a contaminação por material biológico e os utensílios foram inoculados com 20 ml do produto. A presença de simulador de contaminação foi avaliada por fluorescência em 130 utensílios. O teste de detecção de proteína foi aplicado em 50 artigos. Constatou-se a presença de simulador de contaminação nos artigos submetidos a ambos os processos de limpeza. Após a limpeza automatizada, o número de comadres hospitalares com material visível é maior (74,2%) do que o observado após a limpeza manual (53,1%). No total, observou-se de zero a seis áreas em cada comadre hospitalar com presença de simulador de contaminação. Quando submetidas à limpeza manual, o número de comadres hospitalares limpas é maior (46,9%) em relação àquelas submetidas à limpeza automatizada (25,8%), com diferença estatisticamente significante (p=0,003) quando comparados ambos os métodos de processamento. Foram identificadas de zero a três áreas com presença do simulador de contaminação em cada parte da comadre hospitalar. O número de áreas com presença de Glo Germ foi comparado entre dois grupos do estudo. O teste de Mann-Whitney indicou diferença significante nas partes da pá (p<0,000), assento (p=0,013) e fundo externo (p=0,003), revelando maior presença de simulador nas comadres hospitalares submetidas à limpeza automatizada. Não houve diferença significante na parte interna, lateral externa e alça. À inspeção visual, todas as comadres hospitalares estavam limpas. Contudo, o teste de proteínas foi positivo em dois artigos processados na termodesinfectora. O estudo levanta reflexões sobre os procedimentos adotados na prática de processamento das comadres hospitalares, indicando a necessidade de revisão de conceitos que embasam a indicação de métodos e níveis de processamento requeridos a partir da classificação dos artigos de saúde.
Title in English
Assessment of hospital bedpans cleaning submitted to different processing methods
Keywords in English
Bathroom equipment
Decontamination
Disinfection
Hygiene
Infection
Abstract in English
The handling of hospital bedpans requires strict hygiene measures to prevent these devices from becoming sources of contamination. The workers involved in the process, however, often overlook the methods and risks associated with the processing of these sanitary utensils. The objective of this quantitative, descriptive and cross-sectional study was to assess the cleaning and disinfection of hospital bedpans submitted to two different processing methods. Data were collected in a tertiary hospital facility located in the interior of the state of São Paulo, Brazil. The results concerning the cleaning and disinfection of hospital bedpans were distributed into two groups: the first set of materials (Group 1) was manually cleaned, followed by disinfection with 70% hydrated ethyl alcohol. The bedpans in the second set (Group 2) were subjected to thermal disinfection without previous manual cleaning. Glo Germ(TM) liquid was used to simulate contamination by biological material and the utensils were inoculated with 20 ml of the product. The presence of the contamination simulator was assessed by fluorescence in 130 utensils. A protein detection test was applied in 50 utensils and the presence of contamination was found in utensils submitted to both cleaning processes. The number of bedpans visually soiled after automated cleaning (74.2%) was higher than after manual cleaning (53.1%). In total, there were from zero to six areas in each bedpan with the presence of the contamination simulator. A statistically significant difference was found (p=0.003) when both processing methods were compared, the number of clean bedpans was larger among those submitted to mechanical cleaning (46.9%) than those submitted to automated cleaning (25.8%). The presence of the contamination simulator was identified from zero to three areas in each part of hospital bedpans. The number of areas with the presence of Glo Germ was compared between groups. The Mann-Whitney test indicated significant difference on the parts of the blade (p<0.000), seat (p=0.013), and external bottom (p=0.003), revealing the simulator was more frequently found among bedpans submitted to automated cleaning. No significant differences were found between the internal, lateral and external parts and handle. All bedpans seemed clean upon visual inspection, however, two utensils processed in the thermal disinfector tested positive in the protein test. This study's results encourage reflection upon the procedures adopted in the processing of hospital bedpans, indicating a need to review concepts supporting the indication of methods and processing levels based on the classification of health utensils.
 
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Publishing Date
2021-04-14
 
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