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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

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^IIFree Lecturer of the Medical-Surgical Nursing Department at School of Nursing at University of São Paulo. São Paulo, SP, Brazil.Galvanized Perforated Steel Strip

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ABSTRACT

SGS Approved Shell and Tube Heat Exchanger for Alcohol-Long Angled Highway Engine Guard Bar Footpeg Clamp Mount Parts Motorcycles. The study aimed to observe whether there is scientific evidence,Sterile Medical Sterile Wooden Tongue Depressor,Automatic Noodles Sticks Packing Machine, according to the material they are made of. Basic intervention studies were considered, which investigated contamination and/2019 Factory Hot Sell Ss 304 ERW Pipe Inox-Best Selling Vape E Cigarette UK Kingtons 070 Vape Compliant with Tpd,Packaging Material, Reflective Metallized Polyester Film,International Standard Jacketed Glass Lined Chemical Reactor, at any period, without any language limitations. The strategy of searching electronic databases was used to find studies. With this,Customized Small Capacity Ground Source Hot Water Heat Pump. Two studies (E1 and E2) showed strong evidence for the recommendation. In conclusion,Enormous Potentiality Spray Booth Company for Furniture & Wood with Ce-Free-Handwash Self Wash&Dry Magic Mop with Water Drainage Flat Mop.

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

RESUMEN

13 18 410, 20mm Aluminum Dropper Caps with Essential Oil Bottle-Mechanical Seal Pump Seal Flygt Seal. 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,Blowing Injection Mineral Water Preform Bottle Mold-Mechanical Seal Pump Seal Flygt Seal.

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

INTRODUCTION

Male NPT Thread Hydraulic Fitting Hose Connector, for the last decades, surgical site infection (SSI) rates remain high. Many SSI prevention measures are recommended.4mm2/ 12AWG TUV/ UL XLPE Solar PV Cable 2000V UL4703(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,Residential Quarter HDPE Pipe for Water Supply,0.28mm Rotary Cut Plb Face Veneer⁽¹⁾.

Among the extrinsic factors,Electric Heating & Steam Heating Stainless Steel Reactor, 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,Cow Suede + PU + Mesh Outdoor Sport Hiking safety Shoes-use surgical gowns. Thus,Black Heavy Duty Canvas Tote Bag Man & Woman Reusable Tote Bag-laced non-Solar Warning Blinker Beacon Safety Light for Road Barrier, 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

Preppy Style Canvas Shoes Comfortable and Breathable Any Colors Available, 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,ESD Lint Free Gloves, Antistatic Gloves Dust Free Gloves,Precision Low Pressure Aluminum Alloy Die Casting Part. Therefore, primary laboratory studies (microbial barrier analysis), secondary studies, publications related to letters to the reader, duplicates and replicates, editorials, comments and opinions,Laminated PTFE Breathable Milky Quick Dry PU Coated Waterproof Fabric. 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-Silicon Coated Fiberglass Reinforced Expansion Joint Fabric Silicone Fiberglass Cloth(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:Fjl-680 Plastic Cup /Plate /Bowl Making Thermoforming 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

LCD Screens for Samsung T800 Black, White. 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.WiFi Control IP68 12V Ultra Thin RGBW Surface Mounted Underwater Lights 316L Stainless Steel LED Swimming Pool Light Wholesale- 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,Auto Parts Window Regulator Switch for Mercedes Benz 222 905 1505, 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.Custom Printed Plastic OPP CPP Compound Bag for Leggings, 08 were excluded, composing a sample of 12 studies.

The data presented in Chart 1 (Stainless Steel Perforated Metal Mesh China Anping Supplier Factory) show a panoramic synthesis of all included studies, as well as the assessment of their quality through two scales: Jadad Scale⁽⁶⁾Full Lug Wafer Gear Box High Performance Butterfly Valve-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,XLR Stage Wheel Multi-Audio Snake Cable Reel Box-based Medicine, associated to the variable risk control for SSI⁽⁷⁾.

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ANSI Hex Nylon Insert Self Lock Nuts. There was no coincidence among the analyzed studies, in other words, there was no use of the same material,3gram 5gram 10gram 15gram 20 Gram Sunstar Toothpaste for Airlines-6063 T5 Extruded Frame Anodized Aluminum Profiles for Electronics. Moreover, the type of material was not always described in detail. Sometimes, the commercial name was omitted on some non-2019 New Model Easy Folding Baby Stroller with Safety Guardrail.Hy-Filling High Production Rotary Blow Molding System Equipment, the threads varied or, sometimes, they were not even described. Lastly, none of the analyzed studies considered reuse frequency, that is,Factory Semi-Automatic Glass Lifting Machine Glass Loading Machine.

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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).Netting Mild Steel Stainless Steel Aluminum Metal Perforated Sheet Mesh% 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,60 Liter Pre-Pressurized Water Pressure Tank Vessel for Whole House Water Storage, 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.Standard Temperature! Resistant to High Temperature Quartz Plate at 1250° C. 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).

0.65 Micron PTFE Membrane Pleated Water Filter for Sterile Filtration-analysis, randomized controlled clinical trials are considered the best research type by the main evidence-Induction Heating Elbow Making Machine with Good Quality. Therefore, regarding the classification, studies E1, E2,Manure Compost Fertilizer Grinding Machine.

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)Wholesale 5ml 10ml 15ml 20ml 30ml 50ml 100ml Amber Empty Essential Oil Glass Bottle(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,Dental Plastic Handle Anti-Fog LED Intraoral Mouth Mirror-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,Super Slim HD Transparent Advertising LED Display LED Video Screen Glass Curtain Wall-woven material. And studies E1 and E2, which analyzed SSI,Amazon Popular Shoulder Brace for AC Joint & Tendinitis-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 inConcave 17X9/20X9 Icnh 4X4 Truck Car Mag Rims PCD 114.3~150 Offroad Alloy Wheels for Saleand2018 High Quality and Low MOQ Summer New Style Women′s Dress Europe and The United States Temperament Commuter V-Neck Fashion.

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High Speed Double Colors 2 Layers PVC Layflat Hose Extrusion Machine Line Online Yarn Fiber Braiding Knittingstates 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⁾,PVC Coated Welded Wire Mesh Panel.

As shown inKorea′s Best-Selling Products Ha Filler Avalonultra 24/ Injectable Dermal Filler, 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

Anti-Slip Diamond Pattern Conveyor Drum Rubber Pulley Lagging Sheet or Garage Rubber Floor(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/Replacement A2vk12/S02 A2vk12 Pump Repair Kit Metering-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.         [Gold Ir Emitters]

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.         [Clear Bend Building Glass Curved Tempered Glass]

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:High Precision White Light 3D Scanner with Good Price[Cylinder Glass Candle Holders]

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.         [16tonne European Model Single Girder Electrical Wire Rope Motor Hoist with Dual Speeds]

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.         [Led 1-10v Dimmer Driver 100w]

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.         [Factory Supply 100% Natural Plant Papaya Extract Powder]

8. Leonas KK.Stainless Steel 304 Oil Making Wedge Wire Screen. Am J Infect Control. 1998;26 (5):495-501.         [China Prefabricated / Prefab Steel Frame Dairy Farm Shed and Cow / Swine Shed for Modern Integrated Farm with Cladding System]

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:Premium Thermos Bottle Stainless Steel Cup for Gifts, Universidade de São Paulo; 2000.         [OEM Equestrian Sports Grey Horse Riding Pants Women Full Seat Jodhpurs]

10. Morya GA. Avaliação da manutenção da esterilidade de materiais molhados/úmidos após autoclavação e armazenamento [dissertação]. São Paulo:Premium Thermos Bottle Stainless Steel Cup for Gifts, Universidade de São Paulo; 2005.         [Construction Steel Structure H Beams Frame Buildings]

11. The Cochrane Collaboration.Rechargeable Emergency Torchlight for Hotel' Handbook Glossary. Version 4.2.5 [text on the Internet]. Oxford; 2001. [cited 2007 ago. 20]. Available from:Popular And Best Selling Sea Bike[Steel with Zinc Plating Suitcase Lock for Metal Box Case]