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Purpose: Studies have reported conflicting findings on the relationship between smoking and surgical site infection (SSI) post fixation for ankle and calcaneal fractures. This meta-analysis explored the effect of smoking on SSI incidence following open reduction and internal fixation (ORIF) of these fractures. Methods: Full-text studies on smoking's influence on post-ORIF SSI rates for closed ankle and calcaneal fractures were sourced from the PubMed, Embase, and Cochrane databases, with no consideration given to language or publication date. Study quality was appraised using the Newcastle-Ottawa Scale. Odds ratios (OR) and the corresponding 95% CIs were determined using random-effects models. This meta-analysis adhered to the PRISMA guidelines and was registered with PROSPERO (CRD42023429372). Results: The analysis incorporated data from 16 cohort and case-control studies, totaling 41 944 subjects, 9984 of whom were smokers, with 956 SSI cases. Results indicated smokers faced a higher SSI risk (OR: 1.62; 95% CI: 1.32-1.97, P < 0.0001) post ORIF, with low heterogeneity (I 2 = 26%). Smoking was identified as a significant deep SSI risk factor (OR: 2.09; 95% CI: 1.42-3.09; P = 0.0002; I 2 = 31%). However, the subgroup analysis revealed no association between smoking and superficial SSI (OR: 1.05; 95% CI: 0.82-1.33; P = 0.70; I 2 = 0%). Conclusion: Smoking is associated with increased SSI risk after ORIF for closed ankle and calcaneus fractures. Although no clear link was found between superficial SSI and smoking, the data underscore the negative influence of smoking on deep SSI incidence.
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Background: The independent effects of extranasal-only carriage, carriage at multiple bodily sites, or the bacterial load of colonizing Staphylococcus aureus (SA) on the risk of developing SA surgical site infections and postoperative bloodstream infections (SA SSI/BSIs) are unclear. We aimed to quantify these effects in this large prospective cohort study. Methods: Surgical patients aged 18 years or older were screened for SA carriage in the nose, throat, or perineum within 30 days before surgery. SA carriers and noncarriers were enrolled in a prospective cohort study in a 2:1 ratio. Weighted multivariable Cox proportional hazard models were used to assess the independent associations between different measures of SA carriage and occurrence of SA SSI/BSI within 90 days after surgery. Results: We enrolled 5004 patients in the study cohort; 3369 (67.3%) were SA carriers. 100 SA SSI/BSI events occurred during follow-up, and 86 (86%) of these events occurred in SA carriers. The number of colonized bodily sites (adjusted hazard ratio [aHR], 3.5-8.5) and an increasing SA bacterial load in the nose (aHR, 1.8-3.4) were associated with increased SA SSI/BSI risk. However, extranasal-only carriage was not independently associated with SA SSI/BSI (aHR, 1.5; 95% CI, 0.9-2.5). Conclusions: Nasal SA carriage was associated with an increased risk of SA SSI/BSI and accounted for the majority of SA infections. Higher bacterial load, as well as SA colonization at multiple bodily sites, further increased this risk.
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INTRODUCTION: Prophylactic antibiotic (PPA) usage is a common practice in breast cancer surgery. However, there is limited information on the global patterns of antibiotic usage in this setting. This study aimed to investigate the prevalence and preferences of PPA usage in breast cancer surgery among surgeons across different continents. METHODS: A multicontinental survey study was conducted among 295 surgeons who were actively involved in breast cancer surgery around the world. The survey collected information on PPA usage, preferred antibiotic choice, and factors influencing antibiotic prescribing patterns. RESULTS: The survey revealed that PPA usage was widespread, with an overall prevalence of 89% among respondents. Cephalosporins were the most preferred antibiotics for prophylaxis. Antibiotic usage was similar and high among surgeons practicing in Europe (90%), in Asia (87%), and in other continents (91%). Academic surgeons and those dedicating a larger portion of their practice to breast cancer surgery reported a more frequent use of PPAs. Surgeons with >25 y of practice had the lowest rate of PPA use. CONCLUSIONS: This multicontinental survey study highlights the high prevalence of PPA usage in breast cancer surgery among surgeons around the world, with cephalosporins being the preferred choice. Furthermore, academic surgeons and those specializing in breast cancer surgery were more likely to prescribe PPAs. These findings provide valuable insights into the current practices and trends in antibiotic usage in breast cancer surgery, emphasizing the need for further research and guidelines to optimize antibiotic stewardship in this surgical setting.
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Background Hip fracture patients often experience surgical site infections (SSIs) as a major infectious complication after undergoing total hip arthroplasty (THA), which can lead to extended hospital stays, increased mortality, and higher healthcare costs. This study aimed to determine the incidence of SSI and identify the risk factors associated with it after THA. Objective This study aimed to explore the correlation between blood transfusion along with other factors and the occurrence of SSIs in postoperative patients who underwent THA for transcervical femoral neck fractures. Methods We conducted a retrospective analysis by reviewing the medical records of patients aged 60-80 years who underwent surgery for hip fractures at the Unidad Médica de Alta Especialidad Hospital de Traumatología y Ortopedia No. 21 in Monterrey, Mexico, between January 2020 and January 2021. We analyzed potential risk factors such as age, sex, transfusion necessity, preoperative hemoglobin levels, history of diabetes mellitus, arterial hypertension, and end-stage chronic disease. Data are presented as numbers and percentages, and statistical analyses were performed using IBM SPSS Statistics for Windows, Version 28.0 (Released 2021; IBM Corp., Armonk, New York, United States). Results The study included 87 patients, of whom 55 (63%) were women with an average age of 73 years. SSIs were identified in 12 (13.8%) patients. Among those with infections, nine (75%) had a history of blood transfusion (p=0.05). Diabetes, hypertension, and chronic kidney disease also increased the risk for infection. There was no association with gender, age, American Society of Anesthesiologists (ASA) risk, and preoperative hemoglobin. Conclusions We found a heightened risk of SSI in patients with a history of blood transfusions, emphasizing the need for careful consideration and monitoring during the perioperative period. Additionally, patients with comorbidities such as diabetes, hypertension, and chronic kidney disease were more susceptible to SSI, underscoring the importance of preoperative assessment and targeted preventive measures. Further research and collaboration are needed to refine strategies for mitigating SSI risk factors and optimizing healthcare resource utilization.
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BACKGROUND: Skin cancer incidence increases globally, requiring effective preventive measures and evidence-based treatment strategies. Current guidelines advocate for surgical excision as a first-line treatment for most early skin cancers. The study investigated practices regarding changing scalpel blades when excising multiple skin lesions in the same patient during the same visit (CSB) and explored how beliefs about iatrogenic seeding influence individual norms of practice. METHODS: A multidisciplinary survey was conducted among 173 medical specialists involved in skin cancer care. Participants provided demographic information, years of experience, and practices regarding CSB in four clinical scenarios (first excised tumor: basal cell carcinoma, squamous cell carcinoma, melanoma suspect, and evident melanoma). Practice variations based on specialty, experience, and beliefs about seeding risk were statistically assessed. RESULTS: Surgeons exhibited a significantly higher tendency to change blades compared to non-surgeons across all diagnoses. Iatrogenic seeding (56.52%) and clinical training (18.84%) were the main reasons provided for CSB. Beliefs about seeding risk did not differ significantly between specialties. CONCLUSIONS: Although the practice of CSB lacks strong scientific rationale, the approach to this practice significantly varies among different medical specialties. Healthcare professionals should critically evaluate and standardize evidence-based practices to ensure optimal patient care and mitigate potential harm.
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Background: Body mass index (BMI) is an imperfect measure of patients' adiposity and operative risk. Radiographic and direct subcutaneous measurements have been utilized in attempts to more accurately characterize the risk of postoperative complications, including surgical site infection. This study aims to evaluate whether direct tissue depth measurement is a more accurate predictor of skin complication following direct anterior total hip arthroplasty (THA). Methods: A retrospective chart review of patients who underwent elective THA between April 30, 2020, and January 31, 2023, was performed. Baseline demographics, antibiotics, anticoagulation, and intraoperatively measured tissue depths at proximal, middle, and distal portions of the incision were recorded. Patient follow-up was reviewed to assess the development of skin complication in the acute postoperative period. Results: Data were collected from 280 patients who underwent THA via direct anterior approach by a single surgeon. The mean age was 66.0 years, and 52.1% were female. A total of 18/280 (6.4%) patients developed an abrasion (5/18) or superficial surgical site infection (13/18) within the first 60 days postoperatively. Patients who developed skin complications had a significantly higher BMI (33.7 kg/m2 vs 29.9 kg/m2; P = .0021). Patients with a BMI >30 kg/m2 had more than 5 times increased odds of developing a superficial skin complication in the acute 60-day postoperative period compared to those with a BMI <30 kg/m2 (Odds ratio = 5.318, P = .0059). None of the measured tissue depths, nor their average together, were shown to be significant predictors of skin complications. Conclusions: This study showed that BMI is a significant predictor of acute skin complications in direct anterior THA patients. No other significant predictors were found to be associated with increased risk, including proximal, middle, and distal tissue depths.
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BACKGROUND: Surgical site infections (SSI) are among the most common complications after lower extremity bypass (LEB). Both patient and hospital-related factors have been associated with SSI after LEB, however, the impact of surgical closure technique on SSI incidence remains unclear. METHODS: Institutional electronic medical records were retrospectively queried for all LEB procedures performed from 2018 through 2022. Data were collected on patient demographics, medical comorbidities, operative details, wound closure techniques, and postoperative outcomes. Closure techniques included skin staples, absorbable monofilament (Monocryl), non-absorbable monofilament (Nylon), or left open to heal by secondary intention. Logistic regression analysis was utilized to identify risk factors and calculate adjusted odds ratios (OR) for postoperative SSI. RESULTS: A total of 517 patients underwent LEB surgery over the study period. SSI was diagnosed in 120 (23.2%) patients over a median follow-up period of 1.5 years. The most common SSI locations were groin incision (40.0%), saphenectomy (31.7%), and leg incision (19.2%). Median onset of SSI was 18.5 d (interquartile range [IQR] 11-28 d) post-LEB surgery. Patients with SSI had higher body mass index (BMI) (28.2 [IQR 24.2-33.5] vs 26.6 [23.1-31.5] kg/m2, p=0.03) compared with non-SSI patients. Patient age, sex, and medical comorbidities were otherwise similar between groups. There were no differences in closure technique (79.2% vs 78.1% staples, 18.3% vs 19.7% Monocryl, 0.8% vs 1.8% Nylon, 1.7% vs 0.5% open; p=0.53) in SSI versus non-SSI groups. On multivariate analysis, patient BMI (OR 1.04 per unit, 95% confidence interval [CI] 1.01-1.08, p=0.02), reoperative field (OR 1.81, 95% CI 1.00-3.25, p=0.03), and active smoking (OR 2.72, 95% CI 1.12-6.59, p=0.048) were independently associated with increased SSI incidence. Postoperative SSI resulted in prolonged hospital length of stay (7 vs 6 days, p=0.04), unplanned hospital readmission (49.2% vs 12.3%, p<0.001), and reoperation rates (64.7% vs 8.1%, p<0.001). Bypass graft infection rates were also higher among patients suffering postoperative SSI (9.2% vs 0.0%, p<0.001). On subset analysis of patients at increased risk of postoperative SSI, as found on multivariate modelling, there were no differences in closure technique between SSI and no SSI groups. CONCLUSIONS: This study provides insights on wound closure techniques and postoperative SSI made available through granular, operative data not found in large database analyses. Surgical wound closure technique was not associated with postoperative SSI after LEB surgery, even among patients at increased risk of infection. These data support individualization of wound closure techniques among patients undergoing LEB surgery.
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The meta-analysis sought to evaluate and compare the effect of obesity on surgical site wound problems in subjects after primary ovarian cancer surgery. The results found by this meta-analysis were analyzed, and then odds ratio (OR) and mean difference (MD), at 95% confidence intervals (CIs), were calculated. These models might be dichotomous or contentious, random, or fixed effect models. The current meta-analysis included nine exams from 2009 to 2023, including 4362 females with primary ovarian cancer surgeries. Obesity had a significantly higher risk of surgical site wound infections (OR, 2.90; 95% CI, 2.27-3.69, p < 0.001), and wound problems (OR, 4.14; 95% CI, 1.83-9.34, p < 0.001) compared to non-obesity in females with primary ovarian cancer surgeries. It was revealed, by examining the data, that obesity was associated with significantly higher incidence of surgical site wound infections, and wound problems compared to non-obesity in females with primary ovarian cancer surgeries. However, attention should be given to the values because some of the comparisons included a small number of chosen studies,.
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Obesidade , Neoplasias Ovarianas , Infecção da Ferida Cirúrgica , Humanos , Feminino , Infecção da Ferida Cirúrgica/epidemiologia , Infecção da Ferida Cirúrgica/etiologia , Neoplasias Ovarianas/cirurgia , Obesidade/complicações , Obesidade/cirurgia , Obesidade/epidemiologia , Fatores de Risco , Incidência , Razão de ChancesRESUMO
BACKGROUND: Open fractures have been associated with a higher risk of infection if antibiotics are not administered within 1 h of presentation in adult trauma patients. Time to antibiotic administration for open fractures is frequently used as a quality metric for trauma centers, but there have been no large studies evaluating this topic for pediatric patients. METHODS: The 2019 Trauma Quality Improvement Program dataset was queried for patients ≤ 16 years old with isolated open femur or tibia fractures undergoing operative intervention after blunt trauma. Patients transferred from another hospital were excluded. Pediatric patients receiving early antibiotics (EA) within 1 h were compared to patients receiving delayed antibiotics (DA) greater than or equal to 1 h from arrival. Multivariate logistic regression was used to evaluate risk of surgical site infection (SSI). RESULTS: There were 150 patients with open lower extremity fractures: 98 (64.9%) EA vs 52 (34.4%) DA. There was no difference in the rate of SSI between the 2 groups (EA: 1.0% vs DA: 1.9%, P = 0.65). There remained similar associated risk of infection after adjusting for lower extremity abbreviated injury scale >3, blood transfusion requirement, and vital signs on arrival (OR 0.62, 95% CI 0.04-10.24, P = 0.74). CONCLUSIONS: Most pediatric trauma patients with open lower extremity fracture received antibiotics within 1 h of presentation. However, SSI was rare and the risk of SSI was not associated with antibiotic administration within 1 h. Therefore, timing of antibiotic administration for pediatric open lower extremity fractures should be re-evaluated as a quality metric.Level of Evidence: Level III.
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OBJECTIVE: Sternal wound infection (SWI) is a rare but potentially life-threatening complication in children following sternotomy. Risk factors include young age, extended preoperative hospitalization, and prolonged ventilatory support. Few studies have explored the impact of pre-existing tracheostomy on SWI in pediatric patients. The purpose of this study is to measure the effect of tracheostomy and other factors on SWI in children undergoing sternotomy. STUDY DESIGN: Retrospective cohort study of a 12 year period. SETTING: Tertiary children's hospital. METHODS: Children with a tracheostomy prior to sternotomy (TPS) were identified and matched by age, height, and weight to children who underwent sternotomy alone. Demographics, medical comorbidities, surgical details, SWI diagnosis and management information, and surgical outcomes were collected. RESULTS: We identified 60 unique individuals representing 80 sternotomies. The incidence of SWI was 22.5% (n = 9) in children with a tracheostomy and 2.5% (n = 1) in those without. The incidence of SWI was greater in children with a tracheostomy (90% vs 10% in those without, P = .007) and underlying pulmonary disease (90% vs 10% in those without, P = .020). Infections in the TPS group also demonstrated greater frequency of Pseudomonas aeruginosa (n = 3) and polymicrobial growth (n = 2). CONCLUSION: The risk of developing a SWI in children undergoing sternotomy is significantly greater in those with a tracheostomy and underlying pulmonary disease. Further study is needed to understand other contributing factors and ways to mitigate this risk.
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Background Aseptic protocol adherence and sterilization are the most important factors in a patient's satisfactory recovery after surgery. The standard hand scrubbing procedure helps control infection and keeps the surgical site clean by adhering to aseptic principles. Methods Thirty-six young residents and house officers participated in this prospective audit after ethical clearance was obtained. The World Health Organization (WHO) standard criteria were adhered to both before and after the intervention. Participants were observed in the surgical operation theatre (OT) without prior notice to ensure hand hygiene compliance before surgical procedures. The intervention included a video presentation as well as a live demonstration. Results Only 64.41% (n=23) of residents and house officers followed the recommended standard hand hygiene procedures before the intervention. This percentage rose to 93.92% (n=33) following the intervention, suggesting a noteworthy improvement. Conclusion Significant changes in the acceptance rates for the essential requirements of hand hygiene were observed after the evaluation in the second cycle. Adhering to WHO guidelines for procedures will help reduce the risk of infections and promote awareness of asepsis in practice.
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Background: Continuous local antibiotic perfusion (CLAP) is a method for preserving tissue and function against surgical site infections (SSIs) after shoulder surgery. Methods: To describe the application of the novel CLAP technique to 10 patients with SSIs after shoulder surgery that were not controlled with repeated surgical débridement or elderly patients who are insufficient physical resilience for further surgeries. Results: CLAP, consisting of gentamicin, was performed for 2 weeks, after which the infection was well-controlled. The white blood cell count and C-reactive protein level improved rapidly within 1 week of initiating CLAP, after which the patients were switched to oral antibiotics for 3 months. None of the patients experienced any adverse events. Conclusion: CLAP for SSIs after shoulder surgery was successful in preserving implants and grafts. The SSIs were controlled with no adverse events. CLAP may be an important treatment option for SSIs after shoulder surgery.
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BACKGROUND: Surgical site infection (SSI) is a common and costly complication in spinal surgery. Identifying risk factors and preventive strategies is crucial for reducing SSIs. GPT-4 has evolved from a simple text-based tool to a sophisticated multimodal data expert, invaluable for clinicians. This study explored GPT-4's applications in SSI management across various clinical scenarios. METHODS: GPT-4 was employed in various clinical scenarios related to SSIs in spinal surgery. Researchers designed specific questions for GPT-4 to generate tailored responses. Six evaluators assessed these responses for logic and accuracy using a 5-point Likert scale. Inter-rater consistency was measured with Fleiss' kappa, and radar charts visualized GPT-4's performance. RESULTS: The inter-rater consistency, measured by Fleiss' kappa, ranged from 0.62 to 0.83. The overall average scores for logic and accuracy were 24.27±0.4 and 24.46±0.25 on 5-point Likert scale. Radar charts showed GPT-4's consistently high performance across various criteria. GPT-4 demonstrated high proficiency in creating personalized treatment plans tailored to diverse clinical patient records and offered interactive patient education. It significantly improved SSI management strategies, infection prediction models, and identified emerging research trends. However, it had limitations in fine-tuning antibiotic treatments and customizing patient education materials. CONCLUSIONS: GPT-4 represents a significant advancement in managing SSIs in spinal surgery, promoting patient-centered care and precision medicine. Despite some limitations in antibiotic customization and patient education, GPT-4's continuous learning, attention to data privacy and security, collaboration with healthcare professionals, and patient acceptance of AI recommendations suggest its potential to revolutionize SSI management, requiring further development and clinical integration.
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Background Surgical site infection in colon surgery is associated with significant cost and increased length of hospital stay. Recently, there has been interest in the use of pulsed lavage to reduce the risk of surgical site infection in contaminated wounds. Although increasingly used and gaining popularity, its effectiveness in elective colorectal surgery has been poorly documented. This study aimed to investigate the incidence of surgical site infection within 30 days of elective colorectal surgery in patients who underwent wound irrigation with pulse lavage versus standard closure. Methodology A retrospective study was conducted at a university hospital over a two-year period between January 2020 and December 2021. All adult patients who underwent elective colorectal surgery were eligible for inclusion. Results A total of 222 patients underwent elective colorectal surgery during the study period. Operative procedures included abdominoperineal resections, left and right hemicolectomies, pelvic exenterations, small bowel or large bowel resections, as well as stoma reversals, formations, and refashioning. In total, 76 patients underwent pulse lavage while 146 did not. The total number of surgical site infections was 39 during the study period. Infection rates in the pulse lavage group were 14.47% compared to 19.18% in the standard closure group. The chi-square analysis concluded the difference in infection rates was not statistically significant (p = 0.213). Conclusions The findings demonstrated a difference in infection rates of almost 5% favouring the pulse lavage group; however, it did not reach a statistical difference. Although infection rates were in keeping with those described in the literature, further studies in the form of randomized controlled trials should be performed to determine the benefits, if any, of pulse lavage in colorectal surgery.
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Background Surgical site infection (SSI) following spine tumor surgery results in delays in radiation therapy and the initiation of systemic treatment. The study aims to assess risk factors for SSI in malignancy-related spinal infections and rates of infection observed in a single center with the use of betadine irrigation (BI) and intrawound vancomycin powder (IVP). Methods Spine tumor patients managed from 11/2012 to 11/2023 were identified using a surgical database (JotLogs, Efficient Surgical Apps, Portland, Maine). Inclusion criteria were patients receiving BI and IVP and alive at 30 days post-op. Exclusion criteria were patients not receiving a combination of BI and IVP due to allergies and mortality within 30 days of surgery. Patient demographics, histology, history of pre-operative and post-operative radiation treatment history, tumor location, procedure type, number of procedures per patient, SSI, wound culture results, and mortality were collected. Results One hundred two patients undergoing 130 procedures had an SSI rate of 3.85% (5/130). There were 18.6% primary and 81.4% metastatic tumors. Demographics were average age 59.5 years old (range 7-92), 60.8% male, 39.2% female, White 88.2%, Black 9.8%, and others 2%. Pre-operative radiation therapy was significantly associated with the risk of SSI (p=0.005). Percutaneous instrumentation did not lead to a significant difference in infection rates (p=0.139). There was no significant difference in infection rates between primary and metastatic tumors (p=0.58). Multivariable regression analysis revealed pre-operative radiation (OR: 18.1; 95%CI: 1.9-172.7; p=0.009) as the statistically significant independent risk factor. Conclusions Pre-operative radiation therapy remains a risk factor for SSI. However, percutaneous instrumentation did not lead to SSI, and there was no significant difference in infection rates between primary and metastatic tumors. SSI rate was 3.85% in patients who had a combination of BI and IVP in spine tumor surgery.
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BACKGROUND: Surgical site infection (SSI) is an important cause of disease burden and healthcare costs. Fully manual surveillance is time-consuming and prone to subjectivity and inter-individual variability, which can be partly overcome by semi-automated surveillance. Algorithms used in orthopaedic SSI semi-automated surveillance have reported high sensitivity and important workload reduction. This study aimed to design and validate different algorithms to identify patients at high risk of SSI after hip or knee arthroplasty. METHODS: Retrospective data from manual SSI surveillance between May 2015 and December 2017 were used as gold standard for validation. Knee and hip arthroplasty were included, patients were followed up for 90 days and European Centre for Disease Prevention and Control SSI classification was applied. Electronic health records data was used to generate different algorithms, considering combinations of the following variables: ≥1 positive culture, ≥ 3 microbiological requests, antimicrobial therapy ≥ 7 days, length of hospital stay ≥ 14 days, orthopaedics readmission, orthopaedics surgery and emergency department attendance. Sensitivity, specificity, negative and predictive value, and workload reduction were calculated. RESULTS: In total 1631 surgical procedures were included, of which 67.5% (n = 1101) in women; patients' median age was 69 years (IQR 62 to 77) and median Charlson index 2 (IQR 1 to 3). Most surgeries were elective (92.5%; n = 1508) and half were hip arthroplasty (52.8%; n = 861). SSI incidence was 3.8% (n = 62), of which 64.5% were deep or organ/space infections. Positive culture was the single variable with highest sensitivity (64.5%), followed by orthopaedic reintervention (59.7%). Twenty-four algorithms presented 90.3% sensitivity for all SSI types and 100% for deep and organ/space SSI. Workload reduction ranged from 59.7 to 67.7%. The algorithm including ≥ 3 microbiological requests, length of hospital stay ≥ 14 days and emergency department attendance, was one of the best options in terms of sensitivity, workload reduction and feasibility for implementation. CONCLUSIONS: Different algorithms with high sensitivity to detect all types of SSI can be used in real life, tailored to clinical practice and data availability. Emergency department attendance can be an important variable to identify superficial SSI in semi-automated surveillance.
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Algoritmos , Artroplastia de Quadril , Artroplastia do Joelho , Registros Eletrônicos de Saúde , Infecção da Ferida Cirúrgica , Humanos , Artroplastia de Quadril/efeitos adversos , Feminino , Masculino , Artroplastia do Joelho/efeitos adversos , Infecção da Ferida Cirúrgica/epidemiologia , Idoso , Estudos Retrospectivos , Pessoa de Meia-Idade , Fatores de Risco , Tempo de InternaçãoRESUMO
OBJECTIVE: We sought to characterize and evaluate the effectiveness of pharmacist-led AMS interventions in improving antimicrobial use and subsequent surgical site infections (SSI) in perioperative settings. METHODS: A systematic review and meta-analysis was conducted by searching PubMed, Embase and CINAHL. Two independent reviewers extracted the data using the Descriptive Elements of Pharmacist Intervention Characterization Tool and undertook quality assessment using the Crowe Critical Appraisal. A meta-analysis was conducted using a random-effect model. RESULTS: Eleven studies were included in this review. Pharmacists were found to have various roles in AMS, including educational sessions, ward rounds, audits and feedback, and guidelines development. The discussion of interventions lacked details on the development. A meta-analysis revealed that pharmacist-led AMS programs in perioperative settings was associated with a significant improvement in antibiotic selection (OR 4.29; 95 % CI 2.52-7.30), administration time (OR 4.93; 95 % CI 2.05-11.84), duration (OR 5.27; 95 % CI 1.58-17.55), and SSI (OR 0.51; 95 % CI 0.34-0.77). CONCLUSION: Pharmacist-led AMS programs were effective in improving antimicrobial prescribing while reducing SSI; however most studies were of moderate quality. Studies lacked the utilization of theory to develop interventions, therefore, it is not clear whether theory-derived interventions are more effective than those without a theoretical element. High-quality, multicomponent, theory-derived, interventional studies using appropriate methodology and standardized data collection, are needed.
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BACKGROUND: Surgical site infection (SSI) remains a critical postoperative complication after total hip and knee arthroplasty (THA and TKA). Frailty, a condition characterized by decreased physiological reserve and increased vulnerability to stressors, may influence the risk of SSI in these patients. This meta-analysis aims to evaluate the association between frailty and the incidence of SSI following THA or TKA. METHODS: A systematic search of databases including PubMed, EMBASE, Web of Science, Wanfang, and CNKI was conducted to identify relevant studies. Data were extracted and pooled using a random-effects model to calculate the overall risk ratio (RR) and 95 % confidence intervals (CIs). RESULTS: A total of ten studies comprising 1,036,787 patients met the inclusion criteria. The meta-analysis revealed that frail patients undergoing THA or TKA had a significantly higher risk of developing SSI compared to non-frail patients (RR = 1.64, 95 % CI: 1.39-1.93, p < 0.001, I2 = 66 %). Subgroup analyses indicated that the type of arthroplasty (hip vs. knee) and the method of frailty assessment did not significantly alter the association. Further subgroup analysis suggested that frailty was significantly associated with a higher incidence of deep SSI including joint infection (RR = 1.77, 95 % CI: 1.27-1.48, p < 0.001), but not the incidence of superficial SSI (RR = 1.57, 95 % CI: 0.45-5.42, p = 0.48). The association between frailty and SSI remains in subgroup of multivariate studies only (RR = 1.56, 95 % CI: 1.34 to 1.80, p < 0.001). CONCLUSIONS: Frailty is a potential predictor of SSI following TKA/THA.