Κυριακή 11 Σεπτεμβρίου 2022

Relationships between squamous cell carcinoma antigen and cytokeratin 19 fragment values and renal function in oral cancer patients

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Squamous cell carcinoma antigen (SCC-Ag) and cytokeratin 19 fragment (CYFRA) are used to screen and monitor oral cancer patients. However, recent studies have reported that tumour markers become elevated as renal function decreases, regardless of tumour progression. A retrospective study was performed of 423 oral cancer patients who underwent blood testing for these tumour markers and other blood analytes during a 10-year period. The values of SCC-Ag and CYFRA increased significantly with decreasing renal function (P   (Source: International Journal of Oral and Maxillofacial Surgery)
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Association between human papillomavirus infection and malignant transformation of sinonasal inverted papilloma: A systematic review and meta-analysis

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Publication date: Available online 11 September 2022

Source: American Journal of Otolaryngology

Author(s): Fabio Ferreli, Matteo Di Bari, Antoine Moya-Plana, Federica Canzano, Emanuela Morenghi, Armando De Virgilio, Giuseppe Mercante, Giuseppe Spriano, Giovanni Colombo

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Πέμπτη 8 Σεπτεμβρίου 2022

Sulopenem For The Treatment of Complicated Urinary Tract Infection Including Pyelonephritis: A Phase 3 Randomized Trial

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Abstract
Background
Sulopenem is a thiopenem antibiotic being developed for the treatment of multidrug-resistant infections. The availability of both IV and oral formulations will facilitate earlier discharge of hospitalized patients.
Methods
Hospitalized adults with pyuria, bacteriuria and signs and symptoms of cUTI were randomized to five days of IV sulopenem followed by oral sulopenem etzadroxil/probenecid or five days of IV ertapenem followed by oral ciprofloxacin or amoxicillin-clavulanate, depending on baseline uropathogen susceptibility. The primary endpoint was the overall combined clinical and microbiologic response at the Test of Cure visit on Day 21.
Results
Of 1392 treated patients, 444 and 440 treated with sulopenem and ertapenem, respectively, had a positive urine culture at baseline and were eligible for the primary efficacy analyses. Organisms producing an extended spectrum beta-lactamase (ESBL) were identified in 26.6% of patients and fluoroquinolone non-susceptible pathogens in 38.6%. For the primary endpoint, noninferiority of sulopenem to the comparator regimen was not demonstrated, 67.8% vs. 73.9% (difference, -6.1%; 95% CI: -12.0, -0.1%). The difference was driven by the lower rate of asymptomatic bacteriuria in the subgroup of ertapenem-treated patients who stepped down to oral ciprofloxacin. No substantial difference in overall response was observed at any other timepoint. Both the IV and oral formulations of sulopenem were well-tolerated and compared favorably to the comparator regimen.
Conclusions
Sulopenem followed by oral sulopenem-etzadroxil/probenecid was not non-inferior to ertapenem followed by oral step-down therapy for the treatment of cUTI, driven by a lower rate of asymptomatic bacteriuria in those receiving ciprofloxacin. Both formulations of sulopenem were well-tolerated.Clinical Trial Registration: NCT03357614
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Τετάρτη 7 Σεπτεμβρίου 2022

Alterations in Vaginal Microbiota among Pregnant Women with COVID‐19

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Abstract

The maintenance of vaginal microbiota is an important factor to achieve optimum pregnancy outcomes. The study aims to describe the alterations in the composition of vaginal microbiota in pregnant women with COVID-19. This was a prospective case-control study. Vaginal swabs were collected from uninfected pregnant women (n=28) and pregnant women with COVID-19 (n=19) during the active phase of infection and within a month after recovering from infection. The vaginal microbiota on the swabs was examined by 16S rRNA gene sequencing. Shannon index indicates that alpha diversity is significantly higher in women with COVID-19 (P=0.012). There was a significant decrease in Firmicutes (P=0.014) with an increase in Bacteroidota (P=0.018) phyla and a decrease in Lactobacillus (P=0.007) genus in women with COVID-19 than those of uninfected pregnant women. The relative abundance of L.crispatus, L.iners, L.gasseri, and L.jenseni i were lower in the COVID-19 group than in uninfected pregnant women. In subgroup analysis, the amount of Ureaplasma spp. was higher in women with moderate/severe than those of asymptomatic/mild disease (P=0.036). The study revealed that vaginal dysbiosis with low abundance of Lactobacillus species occurred in pregnant women infected with SARS-CoV-2. These findings may lead to new studies to elucidate the risk of pregnancy adverse outcomes related to COVID-19.

This article is protected by copyright. All rights reserved.

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Management of childhood cancer survivors at risk for thyroid function abnormalities: A Delphi study

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Abstract

Background

Thyroid function abnormalities can occur after treatment for childhood cancer. Evidence for the management of thyroid dysfunction among asymptomatic childhood cancer survivors (CCS) is lacking. We used a Delphi consensus methodology to expand guidelines for screening asymptomatic CCS at risk for thyroid dysfunction and explore recommendations for the clinical management of abnormal results.

Procedure

A Delphi panel of 40 expert physicians representing oncology, endocrinology, and primary care participated in three rounds of anonymous, iterative questionnaires formatted as clinical scenarios. Consensus is defined as ≥ 90% of panelists agree with recommendation and disagreement as < 70% agree.

Results

Panelists reached consensus that CCS treated with radiation including neck, total body, whole brain, brain including the hypothalamic-pituitary axis (HPA), and therapeutic meta-iodobenzylguanidine (MIBG) should have annual, lifelong screening using serum thyroid-stimulating hormone (TSH) and free T4 starting within one year off-treatment (98%). Panelists disagreed on continuing to screen CCS for thyroid dysfunction after immunotherapy associated with acute thyroid injury (31%-50%). There was also disagreement on indications for brain (17%-43%) or thyroid (50%-65%) imaging, laboratory tests to assess the HPA (29%-75%), and TSH threshold to initiate treatment of subclinical hypothyroidism. Lack of evidence was the most frequent rationale panelists offered for not recommending additional testing or medications. Panelists' recommendations did not vary by geography, specialty, or survivorship clinical experience.

Conclusions

Consensus was reached on most recommendations for screening and management of cancer treatment-related thyroid dysfunction. Screening after completion of thyroid-toxic immunotherapy, indications for imaging, and treatment of subclinical hypothyroidism are areas of disagreement for further investigation.

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Myeloperoxidase‐positive bilineal mixed phenotype acute leukemia (B/T) with chromosome copy neutral loss of heterozygosity exhibits simultaneous diffuse leukemic infiltrations in the lung, bone, and endorachis

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Associations between findings of Fusobacterium necrophorum or beta-hemolytic streptococci and complications in pharyngotonsillitis - a registry-based study in Southern Sweden

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Abstract
Background
Most pharyngotonsillitis guidelines focus on the identification of group A streptococci (GAS), guided by clinical scores determining whom to test with a rapid antigen detection test (RADT). Nevertheless, many RADT-negative patients are evaluated for Group C/G streptococci (GCS/GGS) and Fusobacterium necrophorum, yet their importance remains debated. Our primary aim was to evaluate associations between complications and findings of F. necrophorum, GAS or GCS/GGS in pharyngotonsillitis.
Methods
This was a retrospective, registry-based study of pharyngotonsillitis cases tested for F. necrophorum (PCR) and beta-hemolytic streptococci (culture) in the Skåne Region, Sweden 2013-2020. Patients with prior complications or antibiotics (30 days) were excluded. Data were retrieved from registries and electron ic charts. Logistic regression analyses were performed with a dichotomous composite outcome of complications as primary outcome, based on ICD-10-codes. Cases with negative results (PCR and culture) were set as reference category. Complications within 30 days were defined as peritonsillar or pharyngeal abscess, otitis, sinusitis, sepsis or septic complications, recurrence of pharyngotonsillitis (after 15-30 days) or hospitalization.
Results
Of 3700 registered cases, 28% had F. necrophorum, 13% GCS/GGS, 10% GAS and 54% negative results. 30-day complication rates were high (20%). F. necrophorum OR 1.8 (95CI 1.5-2.1) and GAS OR 1.9 (95CI 1.5-2.5) were associated with complications whereas GCS/GGS were negatively associated with complications OR 0.7 (95CI 0.4-0.98).
Conclusion
Our results indicate F. necrophorum as a relevant pathogen in pharyngotonsil litis, whereas the relevancy of testing for GCS/GGS is questioned. Yet, which patient to test and treat for F. necrophorum remains to be defined.
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