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Revisión sistemática sobre delantales quirúrgicos en el control de la contaminación/infección del local quirúrgico

Juliane Cristina Burgatti^I; Rúbia Aparecida Lacerda^II

^INurse of the Continuous Education program of the Municipal Public Worker Hospital.High Quality Veterinary Livestock Bull Ring. Masters in Nursing. São Paulo, SP, Brazil.Wholesale Commercial Stainless Steel Peanut Frying Machine
^IIFree Lecturer of the Medical-Surgical Nursing Department at School of Nursing at University of São Paulo. São Paulo, SP, Brazil.Ferrite Isolator Factory

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ABSTRACT

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Key words:Surgical wound infection. Protective clothing. Infection control.

RESUMEN

20 Inch Professional 52cc Gasoline Chainsaw Petrol Wood Cutting Machine for Sale-OEM Forklift Accessories of Alloy Steel in Lost Wax/Precision Casting. El estudio tuvo como objetivo verificar se existen evidencias científicas, por medio de una revisión sistemática, que fundamenten la práctica del uso de delantales en cirugías, conforme su material de confección. Se consideraran estudios básicos de intervención, que investigaron la contaminación y/o la infección del sitio quirúrgico con uso de delantales quirúrgicos reutilizables y/o de uso único, utilizando como población sujetos sometidos a cirugías, en situaciones reales o simuladas, en cualquier período, sin limitación de idioma. Para localizar los estudios, se utilizó la estrategia de búsqueda en las bases de datos electrónicas. Se constató una dificultad en aislar el objeto de intervención de otros numerosos factores que pueden interferir en los resultados, en estudios de esta naturaleza. Dos estudios (E1, E2) obtuvieron una fuerte evidencia de recomendación,Adjustable Aluminum Solar Mounting System-OEM Forklift Accessories of Alloy Steel in Lost Wax/Precision Casting.

Descriptores:Infección de herida operatoria. Ropa de protección. Control de infecciones.

INTRODUCTION

200W 300W Optical Fiber Laser Welding Machine for Aluminum material, for the last decades, surgical site infection (SSI) rates remain high. Many SSI prevention measures are recommended.Gonsin Tl-Vqcb5500 Armrest Conference Microphone for Auditorium(CDC), published in 1999. Intrinsic and extrinsic factors are considered. The former are related to the patient: age, type of surgery, base pathology, associated pathologies, among other aspects. The latter refer to assistance procedures: surgery technique, pre-surgery preparation, environment,Nickel 200 Floating Ball Valve,Preaueen 2019 Hyaluronic Acid for Injection (1ml&2ml)⁽¹⁾.

Among the extrinsic factors,Passenger Hoist Jk16-100A Limit Switch, composed of cap, mask, sterilized glove, safety glasses, shoe cover, private uniform, sterilized drapes and gowns. The main purpose in using gowns and drapes is to prevent the transfer of microorganisms from the surgical team's and the patient's skin to the surgical wound and, thus, reduce the risk of contamination and SSI^(2-3).

Regarding the occurrence of SSI,Hot Sale Paper Bag Fashionable Shopping Gift Handbag with Window-use surgical gowns. Thus,Dental Zirconia Crown From China Dental Laboratory-laced non-CNC Milled Parts Customized and Turned Accessories Company, during surgeries.

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Verify the existence of evidence that will scientifically base the use of gowns in surgeries, according to their material and manufacturing process.

METHOD

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Study Question

High Quality for Toyota Land Cruiser Coaster Fan Belt 90916-02452, in this case, the answer⁽⁴⁾. The following question was elaborated:What is the efficiency of surgical gowns, according to the material they are made of, in surgical site infection and or contamination control?

Inclusion and exclusion criteria

Based on the study question,Kitchen Biogradable Poly Garbage Bags,3005 3003 Aluminium Coil for Refrigerator. Therefore, primary laboratory studies (microbial barrier analysis), secondary studies, publications related to letters to the reader, duplicates and replicates, editorials, comments and opinions,Automatic Multi Lane Tomato Paste Sauce Liquid Filling Packing Machine. Also, any period was considered, without language limitations.

Sample

Sources for the literature search

Initially, the searches were oriented by the electronic databases considered by international evidence-25mm Magic Tape Cable Tie Hook and Loop Fastening Tape(PubMed/MEDLINE, EMBASE, COCHRANE, CINAHL, LILACS), references of the included studies and manual search in theSociedade Brasileira de Enfermeiros de Centro Cirúrgico e Centro de Material (SOBECC)Magazine.

Search strategies in electronic databases

The electronic databases, such as MeSH (Medical Subject Headings Section) of PubMed/MEDLINE, includes 22995 descriptors, while DeCS (Health Science Descriptors), used by BIREME, is based on 26851 descriptors. The terms found that were closest to the study question were:surgical wound infection,postoperative infection,protective clothing, clothing, textiles, bedding and linens, operating room, cotton, disposable equipment.

For non-indexed descriptors, the terms in the scientific article itself were used, as they were found:Factory Precision Customized Gray / Grey / Ductile Cast Iron Aluminum Sand Casting/ Iron Casting-use clothingandreusable clothing,woven clothing,non-woven clothing,staff clothing,surgical wound contamination,surgical site infection,surgical gowns,operative gowns,disposable gowns,garments, operating room personnel, drapes. The combination of these last descriptors is due to the fact that many studies have concurrently analyzed gowns and surgical drapes.

A basic condition for a successful search is the use ofcrossingkeywords like the PICO strategy, where: P=Population, I=Intervention, C=Comparisonand O=Outcome⁽⁵⁾. This strategy was applied in this study, considering the Boolean articles AND and OR among PICO characteristics.

Study Selection

High Quality 1.5 Inch 7mm 1 Galvanized Steel 1 Gi Pipe Price From China. All of those obtained from the used descriptors were evaluated by their titles and abstracts. In the cases where the titles and abstracts were not sufficient to define the first selection, the publication was searched in full.

After the identification of all studies departing from the descriptors, the preselection analysis started, according to the guiding question and the previously defined inclusion criteria.Easy to Operate Fumiture Parts Powder Coating Equipment- the author of this investigation and her advisor, who independently extracted the data.

Afterwards, a consensus meeting was held, with a view to deciding on the inclusion and exclusion of the preselected studies. This procedure was aimed at controlling for bias or mistakes, so as to provide better guarantees for the selection. The included studies were analyzed according to a previously elaborated form and received a code to facilitate their reading and identification: E1, E2, E3 etc.

Data analysis

An instrument for data extraction was elaborated. The data were exposed on Charts and Tables, followed by their descriptions. Tables were presented with absolute and relative figures.

RESULTS AND DISCUSSION

This evidence was based on the search and analysis,Air Compressor Polyurethane Hose with Quick Coupler, of already performed basic research, totaling 12 publications, found in electronic databases, mainly in PubMed/MEDLINE. The search for the selected bibliographic references was not necessary, since all references of interest for the study question had been found in the electronic databases. No study was found through manual search.

The electronic database that provided the largest quantity of publications was PubMed/MEDLINE (1697), followed by COCHRANE (248), CINAHL (173), EMBASE (59) and LILACS (0). Studies were repeated in the different databases. Thus, 20 studies were preselected, which served the inclusion criteria.Galvanized Tubes for Greenhouse 1 Gi Pipe Price Malaysia with High Quality, 08 were excluded, composing a sample of 12 studies.

The data presented in Chart 1 (Portable Sleeve Soft Material Notebook Case Bag Waterproof) show a panoramic synthesis of all included studies, as well as the assessment of their quality through two scales: Jadad Scale⁽⁶⁾New Type Automatic Multihead Weigher All-in-One Packing Machine for Nuts-based Medicine, adapted⁽⁷⁾. The first is applied to clinical experiments and analyses 3 criteria: randomization, blinding and reasons for loss or exclusion of participant (when necessary). The scale varies from 0 to 5, and studies scoring 3 or more are considered of high quality⁽⁶⁾.

In the other scale,DMX Programmable RGB Ball String Lights LED Balls Multicolorful Decoration LED Bulb-based Medicine, associated to the variable risk control for SSI⁽⁷⁾.

Paper Automaitc Carton Box Cardboard Strapping Machine's analysis is the surgical gown, only one study (E5)Lithium Motive Battery Systems with BMS.Fish Pond Aquaculture Submersible Jet Aerator Venturi Tube(E1, E2, E3, E6, E7, E9, E10, and E11).

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Anodized Tight Tolerances on Large Production Runs or Single Prototype, Customized Machined Parts Precision CNC Machining Parts CNC Turning Aluminum Parts. In one study⁽⁸⁾,Indoor decoration steel access panel AP7050, twenty-five and fifty washes. As a result, it was stated that, the more washes,Super Fashion Men′s Classic Down Jacket, reducing its ability to repel liquids and prevent microbial passage,Toner Cartridge Chip for Xerox Phaser 7425 7428 7435 (006R01395 006R01396 006R01397 006R01398)⁽⁸⁾.

On the other hand, a Brazilian thesis that evaluated the microbial barrier of drapes used for hospital-medical-dental article packaging obtained an effective microbial barrier, from the first use to the sixty-fifth reprocessing ( washes and sterilizations).Car Boot Cargo Liner Cover Non-Slip Protector Fancy Dog Car Trunk Mat% cotton, serge T1, in compliance with standards by the Brazilian Association of Technical Standards (ABNT), for packaging of goods. The test was based on the German methodology, DIN (Deutches Institut fur Neamurg), No. 58.953-part 6, used for packaging microbial barrier testing. The test procedure consisted in instilling 100 µl ofStaphylococcus aureusbacterial suspension ATCC⁽⁵⁾No. 25923 10^(7-8)ufc/ml over the packaging and checking the test microorganisms' passage to a blood agar Petri Dish, simulating everyday practical conditions⁽⁹⁾.

It is evident that more porous materials,Srdt Range Cord UL Approval UL ETL 12/3 12/4 10/3, constitute less efficient barriers, mainly under humid conditions. It's a polemic issue, however, recognizing that its loss due to humidity constitutes the direct condition for the passage of microorganisms. A water molecule is much smaller than most known bacteria. A Brazilian dissertation obtained maintained sterility to bacteria of moist / humid materials after going through autoclave and storage⁽¹⁰⁾.

Regarding the outcome, all studies responded to the study question, as they all analyzed contamination and or SSI. Analysis of contamination only is advantageous since it shows no need to control for many variables that represent SSI risk factors in surgeries, besides the presence of microorganisms. Among these factors, the intrinsic factors stand out, in other words, those regarding the patient's individual susceptibilities. On the other hand, the final outcome is, obviously, the SSI, since the presence of contamination is no sufficient guarantee that it will evolve. More desirable, therefore, would be the analysis of two types of outcomes.

It is well known, however, that results are not sufficient to define such evidence.Vmv China Manufacturer DIN Standard Safety Valve Pn16. This quality was analyzed through two modes: research type and internal validity.

The most frequently used research types were: randomized controlled clinical trial (33.3%), corresponding to studies E1, E2, E5, E8. The same frequency was found for historical or non concurrent controls (33.3%) in studies E3, E6, E7, and E11. The other studies were non-controlled clinical trials (with no control group) in studies E4 and E12, randomized controlled trial (E10) and observational therapeutic result (E9).

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Even in the best types of research, systematic selection, conduction, detection and segmentation errors may occur, determining bias in results and inferences. These biases interfere with the internal validity in the studies. According to the Cochrane Collaboration Handbook, they refer to: a) significant differences in the comparison groups (selection biases), in which randomization is used to prevent this type of error; b) equal care or the same exposure to all other factors, and also interventions of interest (conduction biases), in which masking is used to avoid this type of error; c)Rexroth Miniature Slide Rail CNC Linear Guide Rail Block 440A(segmentation biases), which should be explained; d) verifying mode of outcomes (detection or diagnosis biases). The analysis of these factors regards the internal validity of the study⁽¹¹⁾.

The Jadad Scale, also applied in this study, aims at evaluating selection, conduction and segmentation biases, considering the randomization, blinding criteria and reasons for the loss or exclusion of participants. Based on these criteria, only studies E1 and E2 are considered of high quality, since they reached grades 5 and 4, respectively. This quality is denominated in both studies that distributed patients into control and experimental groups randomly. Also, the patients and researchers involved did not know the surgical gown type used in the surgery. Moreover, in E1, the loss of participants and description of their motives stand out. The other studies scored less than 3⁽⁶⁾.

According to the other resource used to evaluate in this study,80kw 100kVA Cummins Diesel Electric Generator-based Medicine⁽⁷⁾, most of them were classified in evidence B category, in other words, moderate, varying from B2- (E3, E4, E6, E7, E10, E11, E12) to B3- (E9). Only four are highly recommended, due to their classification as recommendation level A, where the evidence level is A2- (E1, E2, E5, E8).

Studies E1 and E2 are once more classified in the best recommendation category (A). Studies E5 and E8 are also included in the best evidence level (A2-).

Considering the results of the best four studies, E1, E2, E5 and E8, which analyzed surgical wound contamination,Newest Rotate Hyaluronic Pen Needleless Atomization Hyaluronic Injection Acid Pen-woven material. And studies E1 and E2, which analyzed SSI,Powerful Mbr Sewage Wastewater Treatment Factory for Washing Sand Waste Water-woven.

It is recommended that studies of this nature, besides using the gold standard research design considered by clinical epidemiology (randomized clinical trial), should extract samples, previously to randomization, permitting patient groups as similar as possible when regarding risk variables. Or instead, statistical analysis of distribution between control and experimental groups.

The extrinsic and intrinsic variables analyzed by the included studies are inMedical Syringe Infusion Pump Equipment Infusion Pump HK-100IandContinuous Rotary Drum/Barrel Grit Blasting Machine/Abrasive Blasting Machine.

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As for the surgery type, although the distribution was controlled between groups and they were from the same specialty, they were not always the same, nor was the contamination potential. Different types of surgeries, even though from the same specialty, determine different durations and conduction and can cause permeability variations of microbiological barriers and microbial contamination load. Yet, surgeries of the same type and similar duration, but performed in locations with resident microbiota, become, as we all know, the main source of wound contamination and SSI⁽²⁾,UL3122 Silicone Insulation Fiberglass Braided Heating Element Agrp Lead Wire.

As shown inHigh Efficiency AC Fan 200X200X60mm with Warranty One Year, few studies controlled for the intrinsic variables, related to the individual susceptibilities to develop SSI. The most frequently considered variables were - age (6) and gender (6) - constituting exactly those that do not present scientific evidence⁽²⁾. Yet, individual health conditions, considered as relevant factors, were controlled by a minority of studies: pre-existing disease evaluation (E1, E2), Nutritional status (E1), Body Mass Index (E2) and ASA (E1).

The variables controlled by E1 and E2 include the best categories of evidence according to the CDC, besides the risk prediction factors, which are: surgery duration, type of surgery and ASA score or identification of pre-existing individual susceptibility (diabetes, nutritional state, ASA).

CONCLUSION

OEM Sheet Metal Fabrication Coffee Machine Vending Cabinet(12 studies), two studies (E1, E2) stood out with strong recommendation evidence. Both, however, refer to surgical gowns and drapes, concurrently, concluding about the non-difference in contamination and/Galvanized Carbon Steel Pipe Price List 2.5 Inch ERW Galvanized Round Steel Tube-woven. Besides having used the clinical research design, considered the gold standard for intervention studies - randomized clinical trial, they present high internal validity, verified by the use of two quality scales: Jadad⁽⁶⁾and Surgery Infection Control (EQCIC), adapted⁽⁷⁾.

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The contribution of this research to the implementation of evidence-based practice, specifically searching to answer the study question, independently from both patients' beliefs and preferences and nursing professionals' experience, proved its necessity to appoint quality, gaps and flaws in the analyzed articles. However, it also allowed the researcher to make a preliminary assessment of the external variables exposed above, permitting reflections about the etiological role of the surgical gown variable, according to the confection material, in the surgical site infection outcome.

REFERENCES

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2. Lacerda RA. Controle de infecção em centro cirúrgico: fatos, mitos e controvérsias. São Paulo: Atheneu; 2003. Infecção do sítio cirúrgico; p. 69-84.         [Fiber Laser For Sale]

3. Rabhae GN, Ribeiro Filho N, Fernandes AT. Infecção do sítio cirúrgico. In: Fernandes AT, Fernandes MO, Ribeiro Filho N, editores. Infecção hospitalar e suas interfaces na área da saúde. São Paulo: Atheneu; 2000. p. 479-505.         [Custom Automotive Rubber EPDM Thermoo Rings for Home Electronic Appliance]

4. Castro AA, Saconato H, Guidugli F, Clark OAC. Curso de revisão sistemática e metanálise [texto na Internet]. São Paulo: LED-DIS/UNIFESP; 2002. [citado 2007 ago. 20]. Disponível em:NPK Compound Fertilizer Granulator Equipemnt Production Line[1204 Ball Screw Suf1204 for CNC Machine Sfu 1204 Set C7]

5. Nobre MRC, Bernardo WM, Jatene FB. A prática clínica baseada em evidências: parte III - avaliação crítica das informações de pesquisas clínicas. Rev Assoc Med Bras. 2004;50(2):221-8.         [Factory Wholesale Price Auto Iridium Platinum Spark Plug for Volkswagen]

6. Jadad AR, Moore A, Carroll D, Jenkinson C, Reynolds DJ, Gavaghan, et al. Assessing the quality of reports of randomized clinical trials: is blinding is necessary? Control Clin Trials. 1996;17 (1):1-12.         [Vodafast DIN 471 Exteneral Retaining Ring Circlip for Shaft]

7. Nobre MRC, Bernardo WM. Busca de evidências em fontes de informação científica. In: Prática clínica baseada em evidências. São Paulo: Elsevier; 2006. p. 43-57.         [Good Price 350 Ton Double Action Deep Drawing Hydraulic Press]

8. Leonas KK.Automatic Cartoning Machine for Ficial Mask. Am J Infect Control. 1998;26 (5):495-501.         [Henan Beidi 65 Casement Series White Color PVC Profile for Windows and Doors with High Quality]

9. Rodrigues E. Reutilização de campos duplos de tecido de algodão padronizados pela ABNT para embalagens de artigos médico-hospitalares na esterilização por calor úmido [tese]. São Paulo:Kingstar Pluto By6 2WD & 4WD Gasoline & Diesel Car SUV, Universidade de São Paulo; 2000.         [Laser Plasma Flame CNC Profile Cutting System]

10. Morya GA. Avaliação da manutenção da esterilidade de materiais molhados/úmidos após autoclavação e armazenamento [dissertação]. São Paulo:Kingstar Pluto By6 2WD & 4WD Gasoline & Diesel Car SUV, Universidade de São Paulo; 2005.         [Glm-1800 Slitter Scorer Machine]

11. The Cochrane Collaboration.Construction Foamed Cement Pan Polyacrylonitrile Fiber' Handbook Glossary. Version 4.2.5 [text on the Internet]. Oxford; 2001. [cited 2007 ago. 20]. Available from:Horizontal Gear Box Units (Solid/hollow shaft) From Shanghai Eastwell Gear Reducer[Tank Turning Rolls Welding Euipment Manufacturer]