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World Journal of Gastrointestinal... Feb 2024Colorectal cancer (CRC) has one of the highest morbidity and mortality rates among digestive tract tumors. Intra-abdominal infection (IAI) is a common postoperative...
BACKGROUND
Colorectal cancer (CRC) has one of the highest morbidity and mortality rates among digestive tract tumors. Intra-abdominal infection (IAI) is a common postoperative complication that affects the clinical outcomes of patients with CRC and hinders their rehabilitation process. However, the factors influencing abdominal infection after CRC surgery remain unclear; further, prediction models are rarely used to analyze preoperative laboratory indicators and postoperative complications.
AIM
To explore the predictive value of preoperative blood markers for IAI after radical resection of CRC.
METHODS
The data of 80 patients who underwent radical resection of CRC in the Anorectal Surgery Department of Suzhou Hospital affiliated with Anhui Medical University were analyzed. These patients were categorized into IAI ( = 15) and non-IAI groups ( = 65) based on whether IAI occurred. Influencing factors were compared; general data and laboratory indices of both groups were identified. The relationship between the indicators was assessed. Further, a nomogram prediction model was developed and evaluated; its utility and clinical applicability were assessed.
RESULTS
The risk factors for IAI after radical resection of CRC were neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), systemic immune-inflammation index (SII), and carcinoembryonic antigen (CEA) levels. NLR was correlated with PLR and SII ( = 0.604, 0.925, and 0.305, respectively), while PLR was correlated with SII ( = 0.787). The nomogram prediction model demonstrated an area under the curve of 0.968 [95% confidence interval (CI): 0.948-0.988] in the training set ( = 60) and 0.926 (95%CI: 0.906-0.980) in the validation set ( = 20). The average absolute errors of the calibration curves for the training and validation sets were 0.032 and 0.048, respectively, indicating a good model fit. The decision curve analysis curves demonstrated high net income above the 5% threshold, indicating the clinical practicality of the model.
CONCLUSION
The nomogram model constructed using NLR, PLR, SII, and CEA levels had good accuracy and reliability in predicting IAI after radical resection of CRC, potentially aiding clinical treatment decision-making.
PubMed: 38463368
DOI: 10.4240/wjgs.v16.i2.451 -
The Journal of Infection Apr 2024Many sexual health services are overwhelmed and cannot cater for all the individuals who present with sexually transmitted infections (STIs). Digital health software...
INTRODUCTION
Many sexual health services are overwhelmed and cannot cater for all the individuals who present with sexually transmitted infections (STIs). Digital health software that separates STIs from non-STIs could improve the efficiency of clinical services. We developed and evaluated a machine learning model that predicts whether patients have an STI based on their clinical features.
METHODS
We manually extracted 25 demographic features and clinical features from 1315 clinical records in the electronic health record system at Melbourne Sexual Health Center. We examined 16 machine learning models to predict a binary outcome of an STI or a non-STI diagnosis. We evaluated the models' performance with the area under the ROC curve (AUC), accuracy and F1-scores.
RESULTS
Our study included 1315 consultations, of which 36.8% (484/1315) were diagnosed with STIs and 63.2% (831/1315) had non-STI conditions. The study population predominantly consisted of heterosexual men (49.5%, 651/1315), followed by gay, bisexual and other men who have sex with men (GBMSM) (25.7%), women (21.6%) and unknown gender (3.2%). The median age was 31 years (intra-quartile range (IQR) 26-39). The top 5 performing models were CatBoost (AUC 0.912), Random Forest (AUC 0.917), LightGBM (AUC 0.907), Gradient Boosting (AUC 0.905) and XGBoost (AUC 0.900). The best model, CatBoost, achieved an accuracy of 0.837, sensitivity of 0.776, specificity of 0.831, precision of 0.782 and F1-score of 0.778. The key important features were lesion duration, type of skin lesions, age, gender, history of skin disorders, number of lesions, dysuria duration, anorectal pain and itchiness.
CONCLUSIONS
Our best model demonstrates a reasonable performance in distinguishing STIs from non-STIs. However, to be clinically useful, more detailed information such as clinical images, may be required to reach sufficient accuracy.
Topics: Male; Humans; Female; Adult; Homosexuality, Male; Sexual and Gender Minorities; Sexually Transmitted Diseases; Sexual Behavior; Heterosexuality; HIV Infections
PubMed: 38452934
DOI: 10.1016/j.jinf.2024.106128 -
Complicated anorectal sepsis: Validation of scoring system for predicting anorectal sepsis severity.Medicine Mar 2024Anorectal sepsis is a common and potentially serious medical condition characterized by infection and inflammation of the anal canal and surrounding tissues. However,...
Anorectal sepsis is a common and potentially serious medical condition characterized by infection and inflammation of the anal canal and surrounding tissues. However, the lack of standardized and comprehensive scoring systems specifically tailored for predicting the severity of anorectal sepsis poses challenges in clinical practice. This study aimed to develop and validate a scoring system for predicting the severity of anorectal sepsis by incorporating relevant patient factors. A retrospective cohort study was conducted at Mansoura University Hospital, a tertiary care center, over a period of 5 years. The study population consisted of 330 patients diagnosed with anorectal sepsis during the study period. A scoring system was developed using multiple variables, with each variable assigned a specific score based on its clinical significance and weight in predicting disease severity. The developed scoring system's predictive performance was evaluated using receiver operating characteristic (ROC) analysis, calculating the area under the ROC curve to assess discriminative ability. Descriptive statistics were used to summarize the demographic and clinical characteristics of the study population. Chi-square tests or t tests were performed to assess differences between non-severe and severe anal sepsis groups. The scoring system consisted of 12 variables, with a maximum total score of 18. The logistic regression analysis revealed significant associations between localized swelling, presentation within 72 hours, multiple drainage sessions, and severe anorectal sepsis. The ROC analysis showed an area under the curve of 0.85, indicating good discriminative ability of the scoring system. The scoring system was developed and validated in a single center, which may limit its generalizability to other settings. The scoring system demonstrated good predictive performance and can be a valuable tool for clinicians in assessing disease severity, guiding treatment decisions, and identifying high-risk patients.
Topics: Humans; Retrospective Studies; Sepsis; APACHE; ROC Curve; Inflammation; Prognosis
PubMed: 38428871
DOI: 10.1097/MD.0000000000037377 -
Euro Surveillance : Bulletin Europeen... Feb 2024BackgroundEpidemiology of (NG) infection remains inadequately understood.AimWe aimed to characterise NG epidemiology in Europe.MethodsWe used Cochrane and PRISMA...
BackgroundEpidemiology of (NG) infection remains inadequately understood.AimWe aimed to characterise NG epidemiology in Europe.MethodsWe used Cochrane and PRISMA guidelines to systematically review, report, synthesise and analyse NG prevalence data from 1949 to 30 September 2021. Random-effects meta-analyses estimated pooled prevalence. Meta-regression analyses investigated associations and sources of heterogeneity.ResultsThe 844 included publications yielded 1,573 prevalence measures. Pooled prevalence of current urogenital infection was 1.0% (95% CI: 0.7-1.2%) among general populations, 3.2% (95% CI: 1.8-4.8%) among female sex workers, 4.9% (95% CI: 4.2-5.6%) among sexually transmitted infection clinic attendees and 12.1% (95% CI: 8.8-15.8%) among symptomatic men. Among men who have sex with men, pooled prevalence was 0.9% (95% CI: 0.5-1.4%), 5.6% (95% CI: 3.6-8.1%), and 3.8% (95% CI: 2.5-5.4%), respectively, for current urogenital, anorectal or oropharyngeal infection. Current urogenital, anorectal or oropharyngeal infection was 1.45-fold (95% CI: 1.19-1.77%), 2.75-fold (95% CI: 1.89-4.02%) and 2.64-fold (95% CI: 1.77-3.93%) higher among men than women. Current urogenital infection declined 0.97-fold (95% CI: 0.96-0.98%) yearly, but anorectal and oropharyngeal infection increased (1.02-fold; 95% CI: 1.01-1.04% and 1.02-fold; 95% CI: 1.00-1.04%), respectively.Conclusions epidemiology in Europe has distinct and contrasting epidemiologies for vaginal sex transmission in heterosexual sex networks vs anal and oral sex transmission in MSM sexual networks. Increased transmission may facilitate drug-resistant strain emergence. Europe is far from achieving the World Health Organization target of 90% incidence reduction by 2030.
Topics: Female; Humans; Male; Gonorrhea; Homosexuality, Male; Neisseria gonorrhoeae; Prevalence; Sex Workers; Sexual and Gender Minorities; World Health Organization
PubMed: 38426239
DOI: 10.2807/1560-7917.ES.2024.29.9.2300226 -
BMC Infectious Diseases Feb 2024Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) infections have increased globally. Asymptomatic infections represent a significant risk of long-term...
Clinic-based evaluation of the dual Xpert CT/NG assay on the GeneXpert System for screening for extragenital chlamydial and gonococcal infections amongst men who have sex with men.
BACKGROUND
Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) infections have increased globally. Asymptomatic infections represent a significant risk of long-term complications. Men who have sex with men (MSM) are disproportionally affected, underscoring the need to offer screening programmes to this population. CT/NG Point of Care Testing (POCT) constitutes a strategic tool to improve the continuum of STI care, however extensive real-life evaluations amongst at risk populations are lacking. The aim of this study is to estimate the GeneXpert CT/NG assay performance and usability for CT and NG at genital and extragenital sites for screening amongst MSM.
METHODS
This study was a multi-site sexual health clinic-based evaluation (Italy, Malta and Peru) with consecutive enrolment. A first void urine sample (divided in two aliquots), two oropharyngeal and two anorectal swabs were collected for each study participant. One specimen set (one for each anatomical site) was tested with the dual index test (Cepheid) at the clinics by the healthcare staff, the other set with FDA/CE approved Nucleic Acid Amplification Tests (NAATs) at the laboratory. Clinical sites and reference laboratories participated in an internal and external quality control programme. Sensitivity, specificity, positive and negative likelihood ratios, positive and negative predictive values for each anatomical site were estimated using a meta-analytic approach.
RESULTS
One thousand seven hundred two MSM were recruited across all clinical sites for a total of 5049 biological specimens. NG and CT were respectively detected in 274 and 287 of samples. Overall, the NG POCT sensitivity and specificity was 91.43% and 99.75% in urine (LR + 372.80, LR- 0.09), 89.68% and 99.55% in rectal specimens (LR + 197.30, LR- 0.10) and 75.87% and 98.77% at the pharynx respectively (LR + 61.94, LR- 0.24). The CT component of the POCT sensitivity was 84.82% and specificity 99.63% in urine (LR + 228.68, LR- 0.15), 78.07% and 99.19% respectively on rectal site (LR + 96.23, LR-0.22), 67.79% and 99.88% respectively at pharyngeal site (LR + 554.89, LR- 0.32). 95.95% of MSM reported to be willing to wait for POCT results and no provider reported difficulties in terms of performance or interpretation of the results of the Xpert CT/NG.
CONCLUSION
Rapid turnaround time, ease of use and high acceptability make the Xpert CT/NG testing system a strategic tool for increasing testing frequency, reaching those not yet tested and offering the possibility of immediate treatment if needed. The assay showed good negative likelihood ratios and confirms its use to rule out CT/NG infections. Sensitivity varied across sites and pathogens. Periodic staff training at the testing sites should be mandatory.
Topics: Male; Humans; Homosexuality, Male; Neisseria gonorrhoeae; Chlamydia Infections; Sexual and Gender Minorities; Gonorrhea; Chlamydia trachomatis; Nucleic Acid Amplification Techniques; Tomography, X-Ray Computed
PubMed: 38418963
DOI: 10.1186/s12879-024-09042-4 -
Health Science Reports Feb 2024Perianal fistula is a prevalent anorectal condition originating from an infectious crypt extending to the external opening. Multiple surgical methods exist for treating...
BACKGROUND AND AIMS
Perianal fistula is a prevalent anorectal condition originating from an infectious crypt extending to the external opening. Multiple surgical methods exist for treating perianal fistulas; however, selecting the appropriate options is still controversial. Our study aims to evaluate seton replacement versus other surgical methods in treating perianal fistula.
METHODS
This study recruited 72 patients presenting with perianal discharge and diagnosed with perianal fistula through intra-sphincteric, trans-sphincteric, and supra-sphincteric examinations at Imam Reza and Besat Hospitals from July 2022 up to March 2023. Regarding case-control design, patients were divided into two groups: the first group ( = 36) underwent seton insertion, while the control group ( = 36) received alternative surgical methods. Follow-up was conducted for 1 month post-discharge, with monthly visits for 6 months. Patients were evaluated for fistula tract healing, seton loosening, and daily secretion rate (based on infected pads) during each visit. Finally, the two groups were compared in terms of improvement rates.
RESULTS
In the seton group, approximately 94.4% of patients showed improvement. However, the difference between the groups was insignificant ( = 0.494). Seton replacement was performed in 52% of patients, with the majority requiring replacement twice (61%). Improvement rates were highest among cases with two seton replacements, although the difference was not statistically significant ( = 0.073). Following seton replacement, the most common treatment methods were endoanal flap and fistulotomy, with observed improvement in 10 cases for each procedure.
CONCLUSION
This study highlights that draining seton remains a primary choice for intermediate treatment due to its satisfactory improvement rate and lower requirement for replacement, especially up to two times.
PubMed: 38410496
DOI: 10.1002/hsr2.1911 -
Medicina (Kaunas, Lithuania) Feb 2024-This report illuminates the distinctive features of a successfully managed Retzius space infection arising from a complex perirectal abscess. It adds novel insights to...
-This report illuminates the distinctive features of a successfully managed Retzius space infection arising from a complex perirectal abscess. It adds novel insights to the scientific literature by addressing the rarity of such occurrences, highlighting the diagnostic complexities associated with extraperitoneal spread, and underscoring the crucial role of a nuanced understanding of anatomy in navigating clinical scenarios involving anorectal abscesses. -A 68-year-old male presented with dizziness and diffuse lower abdominal pain, accompanied by intermittent perianal pain for one month. Regardless of an initial misdiagnosis as hemorrhoids, the patient presented sepsis status with fever, hypotension, and tachycardia upon admission. Clinical examinations, including a digital rectal examination, laboratory findings, and imaging studies, revealed a substantial perianal abscess extending into the space of Retzius. Primary Diagnoses, Interventions, and Outcomes-The primary diagnosis involved a heterogeneous fluid-filled perianal abscess extending into the Retzius space, confirmed by abdominal contrast-enhanced computed tomography (CT). Immediate initiation of broad-spectrum antibiotics and subsequent incision and drainage in the 8 o'clock region was performed. Post-operatively, the patient experienced rectal bleeding, necessitating suturing ligation. A follow-up CT scan revealed an extraperitoneal abscess around the bladder, leading to CT-guided drainage and identification of microbial pathogens. Antibiotic treatment with piperacillin-tazobactam was administered. With two weeks of antibiotics and post-operative care, the patient's symptoms improved, and he was discharged with no signs of recurrence or complications. -This case report emphasizes the importance of early consideration and identification of extraperitoneal abscesses for timely intervention. The complexity of anatomical planes in extraperitoneal spaces poses diagnostic challenges, necessitating a strategic treatment. The successful management of this case underscores the significance of a multidisciplinary approach, including prompt diagnosis, appropriate antibiotic therapy, and timely surgical interventions, ultimately contributing to improved outcomes in cases involving complex anorectal abscesses.
Topics: Male; Humans; Aged; Abscess; Drainage; Rectum; Tomography, X-Ray Computed; Anti-Bacterial Agents
PubMed: 38399580
DOI: 10.3390/medicina60020293 -
Frontiers in Pediatrics 2024It is well known that recurrent perianal abscesses (PAs) and fistula-in-ano (FIA) are the main causes of therapy failure following incision and drainage (I&D) for PAs....
BACKGROUND
It is well known that recurrent perianal abscesses (PAs) and fistula-in-ano (FIA) are the main causes of therapy failure following incision and drainage (I&D) for PAs. But few studies have focused on the risk factors for therapy failure after I&D for PAs in children. In this study, we retrospectively examine the risk factors for therapy failure after I&D for PAs in children in a pediatric tertiary care institution.
METHODS
A retrospective review of all outpatient children with PA treated by I&D at Beijing Children's Hospital between January 2021 and December 2022 was performed. A follow-up was conducted in October 2023. Patients with other predisposing factors for perianal infection, such as inflammatory bowel disease, hematologic tumor, and anorectal surgery, were excluded from this study. Logistic regression yielding odds ratios (ORs) was used to assess the significance of variables for therapy failure.
RESULTS
Of 160 children initially identified, follow-up was available for 146, with a total of 172 treatments. A total of 91% of children were male. The median (interquartile range) age at I&D was 2 (1, 15) months. The median follow-up duration was 20 (14, 25) months. Therapy failure occurred in 25 (15%) treatments performed for the prevention of recurrence of PA and in 35 (20%) treatments for the prevention of development of FIA. In the univariate analysis, a history of PA ( = 0.001), history of I&D ( = 0.014), and multilocal occurrence ( = 0.003) were associated with therapy failure. A sitz bath after I&D ( = 0.016) and regular cleaning of the wound after I&D ( = 0.024) were associated with therapy success. In the multivariate analysis, a history of PA ( = 0.015, OR = 3.374) and multilocal occurrence ( = 0.012, OR = 4.649) were independently associated with therapy failure. Regular cleaning of the wound ( = 0.017, OR = 0.341) and sitz bath ( = 0.001, OR = 0.128) after I&D were independently associated with therapy success.
CONCLUSIONS
A history of PA and multilocal occurrence were predictor factors for therapy failure before I&D. Regular cleaning of the wound and sitz bath after I&D were protective factors for therapy success. Therefore, regular cleaning of the wound and sitz bath after I&D should be emphasized in all children with PAs, especially in those with a history of PA and multilocal occurrence.
PubMed: 38390277
DOI: 10.3389/fped.2024.1342892 -
European Journal of Clinical... May 2024Single doses of gentamicin have demonstrated clinical efficacy in the treatment of urogenital gonorrhea, but lower cure rates for oropharyngeal and anorectal gonorrhea.... (Comparative Study)
Comparative Study
PURPOSE
Single doses of gentamicin have demonstrated clinical efficacy in the treatment of urogenital gonorrhea, but lower cure rates for oropharyngeal and anorectal gonorrhea. Formulations selectively enriched in specific gentamicin C congeners have been proposed as a less toxic alternative to gentamicin, potentially permitting higher dosing to result in increased plasma exposures at the extragenital sites of infection. The purpose of the present study was to compare the antibacterial activity of individual gentamicin C congeners against Neisseria gonorrhoeae to that of other aminoglycoside antibiotics.
METHODS
Antimicrobial susceptibility of three N. gonorrhoeae reference strains and 152 clinical isolates was assessed using standard disk diffusion, agar dilution, and epsilometer tests.
RESULTS
Gentamicin C1, C2, C1a, and C2a demonstrated similar activity against N. gonorrhoeae. Interestingly, susceptibility to the 1-N-ethylated aminoglycosides etimicin and netilmicin was significantly higher than the susceptibility to their parent compounds gentamicin C1a and sisomicin, and to any other of the 25 aminoglycosides assessed in this study. Propylamycin, a 4'-propylated paromomycin analogue, was significantly more active against N. gonorrhoeae than its parent compound, too.
CONCLUSION
Selectively enriched gentamicin formulations hold promise for a less toxic but equally efficacious alternative to gentamicin. Our study warrants additional consideration of the clinically established netilmicin and etimicin for treatment of genital and perhaps extragenital gonorrhea. Additional studies are required to elucidate the mechanism behind the advantage of alkylated aminoglycosides.
Topics: Neisseria gonorrhoeae; Gentamicins; Anti-Bacterial Agents; Humans; Microbial Sensitivity Tests; Aminoglycosides; Gonorrhea; Netilmicin
PubMed: 38388739
DOI: 10.1007/s10096-024-04782-2 -
Microbiology Spectrum Apr 2024The microbiota of perianal abscesses is scarcely investigated. Identifying causative bacteria is essential to develop antibiotic therapy. However, culture-based methods...
The microbiota of perianal abscesses is scarcely investigated. Identifying causative bacteria is essential to develop antibiotic therapy. However, culture-based methods and molecular diagnostics through 16S PCR technology are often hampered by the polymicrobial nature of perianal abscesses. We sought to characterize the microbiota composition of perianal abscesses via metagenomic next-generation sequencing (mNGS). Fourteen patients suffering from perianal abscesses between March 2023 and August 2023 underwent retrospective assessment. Information from medical records was used, including clinical information, laboratory data, and culture and mNGS results. Forty bacterial taxa were identified from perianal abscesses through mNGS, with (71.4%), (57.1%), and (50.0%) representing the most prevalent species. mNGS identified an increased number of bacterial taxa, with an average of 6.1 compared to a traditional culture-based method which only detected an average of 1.1 in culture-positive perianal abscess patients, predominantly (75.0%), revealing the polymicrobial nature of perianal abscesses. Our study demonstrates that a more diverse bacterial profile is detected by mNGS in perianal abscesses, and that is the most prevalent microorganism, potentially serving as a potential biomarker for perianal abscess.IMPORTANCEAccurately, identifying the bacteria causing perianal abscesses is crucial for effective antibiotic therapy. However, traditional culture-based methods and 16S PCR technology often struggle with the polymicrobial nature of these abscesses. This study employed metagenomic next-generation sequencing (mNGS) to comprehensively analyze the microbiota composition. Results revealed 40 bacterial taxa, with (71.4%), (57.1%), and (50.0%) being the most prevalent species. Compared to the culture-based approach, mNGS detected a significantly higher number of bacterial taxa (average 6.1 vs 1.1), highlighting the complex nature of perianal abscesses. Notably, emerged as a potential biomarker for these abscesses. This research emphasizes the importance of mNGS in understanding perianal abscesses and suggests its potential for improving diagnostic accuracy and guiding targeted antibiotic therapy in the future.
Topics: Adult; Humans; Abscess; Escherichia coli; Retrospective Studies; Microbiota; High-Throughput Nucleotide Sequencing; Anti-Bacterial Agents; Bacteroides fragilis; Metagenomics; Skin Diseases; Biomarkers
PubMed: 38385739
DOI: 10.1128/spectrum.03474-23