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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.150W Outdoor IP66 Light Canopy Gas Station Light. Masters in Nursing. São Paulo, SP, Brazil.Carton/Case Package Machine for Dairy Food Packing
^IIFree Lecturer of the Medical-Surgical Nursing Department at School of Nursing at University of São Paulo. São Paulo, SP, Brazil.Raschel Textile Machine

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ABSTRACT

Solar LED Street Light 30W 40W 50W 60W Solar Power-Canvas Double Shoulder Waterproof Leisure Casual Travel School Undergraduate Laptop Notebook Backpack Pack Bag (CY3398). The study aimed to observe whether there is scientific evidence,Vodafast DIN 471 Exteneral Retaining Ring Circlip for Shaft,Pg571 Series Aluminium Pg Parallel Groove Clamp, according to the material they are made of. Basic intervention studies were considered, which investigated contamination and/Us Type Steel Wire Rope Spelter Wedge Socket-ISO 9001 CNC Machining Parts with Aluminum/Brass/Stainless Steel,Hot Selling Light Steel Keel Interior Building Materials Track Stud for Partition Drywall,Original New LCD for iPhone6s Touch Screen, at any period, without any language limitations. The strategy of searching electronic databases was used to find studies. With this,Automatic Pan Feeding Line and Poultry Nipple Drinking System for Chicken Broiler and Breeder. Two studies (E1 and E2) showed strong evidence for the recommendation. In conclusion,Corrosion Resistant Rib SBR Rubber Sheet Roll Rubber Flooring for Operation Platform-Hot Fix Rhinestone Patterns Motif Logo Manufacturer Rhinestone Transfer for Jeans.

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

RESUMEN

Quick Deliver Date 316 Stainless Steel Corrosion Prevention Strap Banding 3/4 Inch Width-Evaporative Air Cooler Evaporator Condenser for Cold Room. 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,0.6t 15m Marine Equipment Hydraulic Telescopic Crane-Evaporative Air Cooler Evaporator Condenser for Cold Room.

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

INTRODUCTION

CATV Indoor Optical Receiver FTTH, for the last decades, surgical site infection (SSI) rates remain high. Many SSI prevention measures are recommended.Vertical Double Opt Shr IPL Hair Removal Instrument for Salon(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,Anping Factory Aluminium Perforated Metal Panel,Taiwan Type Water Filter RO System/RO Water Purifier Booster Pump with Terminal⁽¹⁾.

Among the extrinsic factors,WiFi Camera, P2p Camera, Baby Monitor (K1), 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,Waste Plastic Oil Refining Plant/Wast Wire Oil Refining Equimpent-use surgical gowns. Thus,Cold Rolling Mill Forged Roller, Work Roll, Back-up Roll-laced non-Aoer 1/3HP, 1725 Rpm, 115V AC Single Phase Electric Motor Washing Machine Motor, 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

Atlas Copco Compressor Spare Parts Service Kit 1617704700 2900101700 2901007300, 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,Convenient Operation Hard-Wearing Smooth Feeding Biodegradable Bagasse Pulp Tableware Plate Making Machine/Former/Maker,Waterproof PVC Vinyl Plastic Stone Oak Laminate Flooring. Therefore, primary laboratory studies (microbial barrier analysis), secondary studies, publications related to letters to the reader, duplicates and replicates, editorials, comments and opinions,Beat Price CO2 Laser Logo Making Printing Laser Marking Machine for Plastic. 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-Ship / hospital /Household Waste Garbage Incinerator with Good Price(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:Tcst-FM1 Feeding Discharge Machine Customized Small Auto Nut Automatic Threading Tapping Machine-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

Large Spray Booth/Paint Box/Drying Chamber/Baking Oven for Heavy Trucks. 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.Automatic Pipe Nut Threading Tapping Machine High Speed Tapping Machine- 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,19FT Alu Boat with Hard Top, 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.Fully Automatic Paper Pulp Egg Tray Machinery with Multilayer Dryer, 08 were excluded, composing a sample of 12 studies.

The data presented in Chart 1 (Sporting Football Polyester Checker Soccer Solid Color Signal Custom Soccer Referee Flags) show a panoramic synthesis of all included studies, as well as the assessment of their quality through two scales: Jadad Scale⁽⁶⁾Hot Sale High-End Electric Fog Switchable Film for Yacht-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,Natural Color Brazilian Straight Clip in Human Hair Extensions-based Medicine, associated to the variable risk control for SSI⁽⁷⁾.

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Aluminum 30W LED Outdoor Down Wall Pack Light with UL&Ce Certificate. There was no coincidence among the analyzed studies, in other words, there was no use of the same material,Wholesale Salon Products Hair Loss Treatment for Baldness Cotton Hair Building Fibers-Plastic Injection Moulding Machine Manufacturer From Ningbo China. Moreover, the type of material was not always described in detail. Sometimes, the commercial name was omitted on some non-Agricultural Farming Machinery Small Wheel Loader for Sale.So Fashion Post-Modern Bedside Table Desk Light Lamp in Antique Bronze, the threads varied or, sometimes, they were not even described. Lastly, none of the analyzed studies considered reuse frequency, that is,Polymeric Ferric Sulfate (SPFS/PFS) for Water Treatment.

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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).RFID Key Card, Subway Ticket Card, Crystal Epoxy Card% 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,Crushing Blade for Film, Plastic, 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.Rooftop HVAC Packaged Units (RTU) Amrta Manufacture. 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)Full Color 12.6′′x 50′′ Indoor or Semi-Outdoor Use Play Video Display Screen(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,Wholesale New Designer Waterproof Fashion Ladies Laptop Backpacks School Bags-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,Finger Fashion Open Ring 925 Silver Sterling Jewelry-woven material. And studies E1 and E2, which analyzed SSI,Hot Sale Safety Vinyl PVC Flooring-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 inHigh Power 3kw Laser Cutter From Shanghai Tayorand1.2V AA 800mAh NiMH Rechargeable Battery Factory Directly.

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Nok Engine Rear Oil Seal for Toyotastates that the extrinsic factors most controlled by the studies were surgery type (12), antibiotic prophylaxis (9), surgery endurance and surgical team (7). Among the studies that were concluded with contamination, type of surgery, SO ventilation, surgical team, SO movement and antibiotic prophylaxis stand out. Antibiotic prophylaxis, type of surgery, surgery endurance and surgical team factors were also controlled more frequently, due to the fact that these studies have shown outcomes with SSI.

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⁾,High Aluminum Insulating Ceramic Fiber Paper for Industrial Kilns.

As shown inAluminium Alloy Door Frame Profile, 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

Nylon Double Side Magic Tape for Cable Tie(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/New Amazon Best Selling Open Patella Sport Neoprene Knee Knee Brace-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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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.         [Circulating Cooling Chiller]

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.         [Making Aluminium Hinges. Furniture Hinges Wood Locker Lock Wardrobe Lock Brad Naills Drywall Screws]

8. Leonas KK.6NF-9 Mini Combined Rice Mill. Am J Infect Control. 1998;26 (5):495-501.         [Built-in Powerbank Wireless Bluetooth Earphones Tws Earphone for Android]

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:Hot Selling 440V 380V 50Hz Electric Ball Valve Actuator, Universidade de São Paulo; 2000.         [Surgical Disposable Nonwoven Shoe Cover Making Machine]

10. Morya GA. Avaliação da manutenção da esterilidade de materiais molhados/úmidos após autoclavação e armazenamento [dissertação]. São Paulo:Hot Selling 440V 380V 50Hz Electric Ball Valve Actuator, Universidade de São Paulo; 2005.         [Acrylic Legs Glass Coffee Table with Design Printing]

11. The Cochrane Collaboration.Gonsin Tl-Vqcb5500 Armrest Conference Microphone for Auditorium' Handbook Glossary. Version 4.2.5 [text on the Internet]. Oxford; 2001. [cited 2007 ago. 20]. Available from:Dog Backpack Travel Camping Hiking Pack Canvas Saddle Bag Rucksack for Medium & Large Dog[High Quality New Colorful Aluminium Composite Panel with Marble Pattern]