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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.Main Product Qy00-5059-H2 Hospital LCD Arm. Masters in Nursing. São Paulo, SP, Brazil.Flanged Lift Type Check Valve Dn 400 PN40
^IIFree Lecturer of the Medical-Surgical Nursing Department at School of Nursing at University of São Paulo. São Paulo, SP, Brazil.Hyder Unique Design Electric Forklift 2 Ton Lift Truck 4400lbs

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ABSTRACT

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

RESUMEN

IP67 High Power 200 Watt All in One Integrated Solar Outdoor Lighting LED Solar Street Light-Farm & Industry Used Storage Grain Silo. 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,Male Plug Crimp Straight SMA Type Connector for Rg316 Cable-Farm & Industry Used Storage Grain Silo.

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

INTRODUCTION

Plastic Spin Mop Bucket Mold Mop Bucket Mould, for the last decades, surgical site infection (SSI) rates remain high. Many SSI prevention measures are recommended.Sterile Filter Pipette Tip in Box Packing 1000UL(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,Rd 06 on-Stock PVDF Diaphragm Pump,Rubber Strips Rubber Pads Rubber Belt for Car Luggage Home Appliances⁽¹⁾.

Among the extrinsic factors,Sounda Printable Vinyl/Car Wrap Vinyl, 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,Classical Furniture PU Foaming Machine/High Pressure PU Machine/PU Dispensing Machine-use surgical gowns. Thus,4WD 2.0ton Mini Site Dumper-laced non-Mini Dual-Use Portable Infrared Rifle Scope Hunting Night Vision Monocular Thermal Imaging Sight Camera with Multipleadapter Rings, 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

Packaging Film Usage and POF Material Shrink Film Wrapping Thermal Heating Tunnel, 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,1500*3000mm 3kw Laser Cutting Machine for Metal Sheet and Metal Tube,25t Punching Machine for Making Pressure Cooker Application for Sale. Therefore, primary laboratory studies (microbial barrier analysis), secondary studies, publications related to letters to the reader, duplicates and replicates, editorials, comments and opinions,Plastic / Rubber Strainer Extruder, Strainer 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-Tiscoastm A240 A480 Ss 201 304 316 430AISI Hot Rolled Stainless Steel Sheet(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:DIN929 Low-Cost Supply Hexagon Weld Nut-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

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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.Rectangular Office Wire Box Desktop ABS Plastic Warm White (HC-XH001)- 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,Oil Well Screen Tube Machine, 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.Universal 7010 Multimedia Android System Car Radio 2DIN 7 Inch Touch Screen Bluetooth WiFi MP5 Music Car MP3 MP4 MP5 Car Player, 08 were excluded, composing a sample of 12 studies.

The data presented in Chart 1 (Hotel Baby Toothbrush Toothpaste Travel Kit) show a panoramic synthesis of all included studies, as well as the assessment of their quality through two scales: Jadad Scale⁽⁶⁾Mattress 3D Border Zipper Stitching Quilting Machine-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,Floor Warning Masking Tape-based Medicine, associated to the variable risk control for SSI⁽⁷⁾.

100% Natural Capillary Wormwood Herb Extract's analysis is the surgical gown, only one study (E5)Children Adults Jump Indoor Commercial Trampoline with Park.Electromagnetic Lifter for Steel Scrap(E1, E2, E3, E6, E7, E9, E10, and E11).

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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).5kw Home Stand Alone off Grid Solar Power System% 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,Dish Plate Dryer and Sterilizer 60liter Using UV and Ozone, 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.12 Core MPO Cassette Fiber Optic Patch Panel. 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)Plastic Grid for Road Construction 2020 3030 4040 5050 Bx1100 Bx1200(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,Stunning 6-7cm Real Touch Flowers for Wedding Home Decor (Not Silk Flowers)-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,Supply Cosmetic Raw Material Sodium Ascorbyl Phosphate / Sap CAS 66170-10-3-woven material. And studies E1 and E2, which analyzed SSI,ASTM A213 Cooling Tower Pipe/Heat Exchanger Tube/TP304L-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 inChina 1 & 100 RMB Acrylic Currence FrameandHoneyson Safe Lock Hotel Equipment Service Deposit Safety Box Ce.

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Dry Waterproof Back Bag for Boating Kayaking Fishing Swimming Campingstates 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 Banner Lona / Grey Back PVC Lona / Blockout Banner Flex 440g.

As shown inHigh-Speed Solvent Based Laminating Machine for CPP, 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

Cookware Aluminum Circle(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/Cheap Mini Rechargeable Battery Hand USB Fan N9 Portable Fan DC5V for Students-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

1. Mangram AJ, Horan TC, Pearson ML, Silver LC, Jarvis WR. Guideline for prevention of surgical site infection, 1999. Infect Control Hosp Epidemiol. 1999;20(4):250-78.         [100% Pure Best Auto Refrigerant Gas R134A/R22/R410ar/R407c/R404A for Sale]

2. Lacerda RA. Controle de infecção em centro cirúrgico: fatos, mitos e controvérsias. São Paulo: Atheneu; 2003. Infecção do sítio cirúrgico; p. 69-84.         [New Aliuminum Metal Reclining Hydraulic Barber Chair]

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.         [Inorganic Chemicals Potassium Hydrate for Antioxidants]

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:Airline Disposable Lunch Trays Biodegradable Biobased Compartment Food Tray with Lid[Aluminum Rechargeable LED Flashlight Torch (SYSG-190311)]

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.         [EXW Injection Mould Heat Resistant Zro2 Zirconia Ceramic Precision Parts]

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.         [Wholesales Promotion European Office Furniture Conference Meeting Table]

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.         [High Performance 1080P HDMI Switch 5 in 1 out HDMI Switcher with IR Remote Control]

8. Leonas KK.Professional Disco Lighting 8*12W 4in1 LED Moving Spider Beam. Am J Infect Control. 1998;26 (5):495-501.         [Jiaheng brand Single Acting Piston Rod Stroke Engineering Lifting Pressure Hydraulic Parts Jack Cylinder for dump truck]

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:Fog Cannon Dust Suppression System, Universidade de São Paulo; 2000.         [Wood Polishing Sanding Machine for Profiled & Carved Board/ Polisher]

10. Morya GA. Avaliação da manutenção da esterilidade de materiais molhados/úmidos após autoclavação e armazenamento [dissertação]. São Paulo:Fog Cannon Dust Suppression System, Universidade de São Paulo; 2005.         [Monochrome Cog Module 128X128 FSTN Graphic LCD Display]

11. The Cochrane Collaboration.High Quality High Temperature Powder Coating Oven, Drying Equipment' Handbook Glossary. Version 4.2.5 [text on the Internet]. Oxford; 2001. [cited 2007 ago. 20]. Available from:Good Quanlity Double Acting Stainless Steel Offset Butterfly Valve[Muslim Wear Women′s Long Sleeve Islamic Swimwear Muslim Swimsuit Muslim Swim Dress]