Wednesday, November 23, 2022

Periodontitis is associated with the development of fungal sinusitis: A nationwide 12‐year follow‐up study

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Abstract

Aims

The incidence of fungal sinusitis is increasing; however, its pathophysiology has not been investigated previously. This study investigated the effect of periodontitis on the incidence of fungal sinusitis over a 12-year follow-up period using nationwide, population-based data.

Materials and Methods

The periodontitis group was randomly selected from the National-Health-Insurance-Service database. The non-periodontitis group was obtained by propensity score matching considering several variables. The primary end point was the diagnosis of sinonasal fungal balls and invasive fungal sinusitis.

Results

The periodontitis and non-periodontitis groups included 12442 and 12442 individuals, respectively. The overall adjusted hazard ratio (aHR) for sinonasal fungal balls in the periodontitis group was 1.46 (p=0.002). In subgroup analysis, the aHR for sinonasal fungal balls was 1.59 (p=0.008) for those with underlying chronic kidney disease (CKD), 1.58 (p=0.022) for those with underlying atopic dermatitis, 1.48 (p=0.019) for those with chronic obstructive pulmonary disease (COPD), and 1.36 (p=0.030) for those with diabetes mellitus (DM), but these values are only applicable when considering the relationship between periodontitis and SFB. The aHR for invasive fungal sinusitis (IFS) in the periodontitis group was higher than in the non-periodontitis group (2.80; p=0.004).

Conclusions

The risk of sinonasal fungal balls and IFS increased after diagnosis of periodontitis. This trend is often more severe in patients with DM, COPD, or CKD, but this association with underlying diseases is only applicable when considering the association between periodontitis and fungal sinusitis.

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Association between periodontitis and chronic kidney disease by functional atherosclerosis status among older Japanese individuals: a cross‐sectional study

alexandrossfakianakis shared this article with you from Inoreader

Abstract

Aims

This study aimed to clarify the influence of functional atherosclerosis on the association between periodontitis and chronic kidney disease (CKD).

Methods

A cross-sectional study of 998 older Japanese individuals aged 60–99 years who participated in an oral health check-up was conducted. Early and advanced periodontitis were defined as periodontal pocket depth 4.0–5.9 mm and ≥6.0 mm, respectively. Functional atherosclerosis was defined as cardio-ankle vascular index (CAVI) ≥9.0.

Results

Of the 998 study participants, 238 (23.8%) had CKD. No significant associations between periodontitis and CKD were observed in participants without functional atherosclerosis. After adjusting for known cardiovascular risk factors, the odds ratio (OR) (95% confidence interval [CI]) was 1.31 (0.81, 2.11) for early periodontitis and 0.74 (0.41, 1.34) for advanced periodontitis. Significant positive associations were observed for participants with functional atherosclerosis; the adjusted ORs (95%CIs) were 1.76 (1.04, 3.01) for early periodontitis and 1.95 (1.05, 3.63) for advanced periodontitis, respectively.

Conclusions

A significant positive association between periodontitis and CKD was established for older participants with functional atherosclerosis. No significant associations were observed for those without functional atherosclerosis. These results can help clarify the influence of periodontitis on systemic circulation.

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Subjective and objective evaluation of masticatory function in patients with bimaxillary implant‐supported prostheses

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Abstract

Background

People perform poorly in masticatory function tests despite well-functioning prostheses. However, it is unclear whether there is an agreement between subjective and objective measures of mastication.

Objectives

To investigate the association between subjective and objective measures of masticatory function in patients with bimaxillary implant-supported prostheses.

Materials and methods

An experimental group (n=25, age=70.6 ±7.5 years, 8 women) with bimaxillary implant-supported fixed prostheses and a control group (n=25, age=69.0 ±5.3, 13 women) with natural dentition were recruited. The participants in the experimental group were included if they had been using the prosthesis for at least a year and had no obvious complaints with their prostheses. The control group was people with natural dentition and without any prostheses or complaints related to the masticatory system. The masticatory function was evaluated objectively with food comminution and mixing ability tests, and subjectively with jaw function limitation scale (JLFS) and oral health impact profile (OHIP).

Results

The experimental group performed poorly in both objective tests (P<.001). However, there was no significant differences between the two groups in total JFLS (P=0.114) and OHIP (P=0.312) scores. Though, there were certain positive correlations between the food comminution test and JFLS subdomains in the control group, and a positive correlation between food comminution test and specific subdomains of OHIP in the experimental group indicating poor correlation between the subjective and objective measures.

Conclusion

Although patients with implant prostheses show poor masticatory performance, there is no agreement in the objective and subjective measures of mastication.

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Implant deformation and implant–abutment fracture resistance after standardized artificial aging: An in vitro study

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Abstract

Background and purpose

Zirconia abutments have been widely adopted in clinical implant practice. The unique mechanical properties of zirconia may significantly affect the long-term prognosis of implant treatments. The purpose of this study was to investigate the influence of abutment material on implant deformation and fracture resistance of internal conical connection implant–abutment complexes of two diameters after standardized artificial aging.

Materials and methods

Thirty original abutments (one-piece titanium, one-piece zirconia, zirconia with alloy base) with two diameters (regular, narrow) were connected to internal conical connection implants and subjected to a standardized artificial aging process consisting of thermal cycling and mechanical cyclic loading. Microcomputed tomography (μCT) scans of implant bodies were performed before and after aging. 3-dimensional images of implant bodies were generated from the μCT scans and aligned for before and after aging to calculate the volumetric deformation amount. Finally, fracture resistance was measured using a mechanical static loading test for the surviving aged and 30 brand-new specimens.

Results

All specimens survived artificial aging. No significant difference in implant deformation was found in the regular groups (p = 0.095). In narrow groups, the one-piece zirconia group showed significantly less deformation (p < 0.0001). For fracture resistance, no significant decrease was observed after aging in any group (p > 0.05). One-piece zirconia abutments showed significantly lower strength than the other two materials for both diameters (p < 0.0001).

Conclusions

In the regular diameter system, abutment material had no significant influence on the tested mechanical property degradation after simulated long-term oral use. The mechanical performance of narrow diameter one-piece zirconia abutments differed from the other two materials. For optimal performance, one-piece zirconia abutments should be adopted only in anterior regions.

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Neutrophil to lymphocyte ratio and peripheral blood biomarkers correlate with survival outcomes but not response among head and neck and salivary cancer treated with pembrolizumab and vorinostat

alexandrossfakianakis shared this article with you from Inoreader

Abstract

Background

Associations between peripheral blood biomarkers and oncologic outcomes were explored in recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HN) and salivary gland cancer (SGC) treated with pembrolizumab and vorinostat on a phase II trial (NCT02538510).

Experimental Design

Twenty-five HN and 25 SGCs were treated with pembrolizumab and vorinostat. Baseline peripheral blood was available in 21 HN and 20 SGCs and evaluated for associations with grade ≥3 adverse events (G ≥ 3AE) by CTCAEv4, objective response rate (ORR), overall survival (OS), and progression-free survival (PFS).

Results

Higher pretreatment neutrophil-to-lymphocyte ratio (NLR) and neutrophils, as well as lower pretreatment lymphocytes and T helper cells correlated with worse OS and PFS. Higher NLR further predicted increased rates of G ≥ 3AEs. No correlations with ORR were observed.

Conclusions

In a prospectively evaluated cohort of HN and SGCs treated with pembrolizumab and vorinostat, we observed novel associations between peripheral blood biomarkers and oncologic outcomes and toxicities.

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An HPV-Vaccinated Patient With Human Papillomavirus-Positive Oropharyngeal Squamous Cell Carcinoma

alexandrossfakianakis shared this article with you from Inoreader

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This case report describes an extremely early-onset case of hu man papillomavirus–positive oropharyngeal squamous cell carcinoma in a Norwegian woman in her early 20s.
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Auricular Reconstruction for Relapsing Polychondritis

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This case report describes woman in her early 20s presented to the hospital with an acquired auricular deformity after an ear piercing and was diagnosed with recurrent polychondritis that required total auricular reconstruction.
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Use of the Toxicity Index in Evaluating Adverse Events in Anal Cancer Trials: Analysis of RTOG 9811 and RTOG 0529

alexandrossfakianakis shared this article with you from Inoreader
imageNovel toxicity metrics that account for all adverse event (AE) grades and the frequency of may enhance toxicity reporting in clinical trials. The Toxicity Index (TI) accounts for all AE grades and frequencies for categories of interest. We evaluate the feasibility of using the TI methodology in 2 prospective anal cancer trials and to evaluate whether more conformal radiation (using Intensity Modulated Radiation Therapy) results in improved toxicity as measured by the TI. Patients enrolled on NRG/RTOG 0529 or nonconformal RT enrolled on the 5-Fluorouracil/Mitomycin arm of NRG/RTOG 9811 were compared using the TI. Patients treated on NRG/RTOG 0529 had lower median TI compared with patients treated with nonconformal RT on NRG/RTOG 9811 for combined GI/GU/Heme/Derm events (3.935 vs 3.996, P=0.014). The TI methodology is a feasible method to assess all AEs of interest and may be useful as a composite metric for future efforts aimed at treatment de-escalation or escalation
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A Parallel Line of Inquiry Related to Inferior Turbinate Hypertrophy and Extraesophageal Reflux

alexandrossfakianakis shared this article with you from Inoreader

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To the Editor Zeleník and colleagues have reported a possible association between inferior turbinate hypertrophy and extraesophageal reflux (EER). They also highlight previously reported associations of EER with chronic rhinosinusitis and chronic otitis media.
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Does Examined Lymph Node Count Influence Survival in Surgically Resected Early‑stage Pulmonary Typical Carcinoid Tumors?

alexandrossfakianakis shared this article with you from Inoreader
imageObjectives: We aimed to evaluate the prognostic impact of the number of examined lymph nodes (ELNs) in resected early‑stage pulmonary typical carcinoid tumors (TC). Methods: Patients who underwent sublobar resection and lobectomy for stage T1N0M0 TC between 2004 and 2016 were identified from the Surveillance, Epidemiology, and End Results database and enrolled in the ELNs≥4 or ELNs
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Predicting Factors for a Favorable Pathologic Response to Neoadjuvant Therapy in Esophageal Cancer

alexandrossfakianakis shared this article with you from Inoreader
imageBackground: Favorable pathologic response(FPR) is a significant predictor for improved survival following Neoadjuvant therapy(NAT) in esophageal and gastroesophageal cancer(GEJ). Preoperative prediction of FPR could modify treatment plans. No reliable method for predicting FPR exists. We sought to identify preoperative predicting factors for FPR. Materials and Methods: Retrospective analysis of patients with esophageal and GEJ cancer who underwent esophagectomy following (NAT). Univariate and multivariate analysis was used to identify preoperative predicting factors for FPR. A comparison of Tumor Regression Grade(TRG) was used to assess treatment response on overall survival(OS). Results: Out of 121 patients, 82(67.8%) had neoadjuvant chemoradiation. FPR was observed in 60(49.6%). Female sex, Radiation therapy(RT), squamous cell carcinoma(SCC), lack of signet ring feature, and FDG avidity posttreatment were associated with FPR on univariate analysis. RT and SCC were associated with FPR (OR=3.9 and 4.0, respectively) on multivariate analysis. OS was lower among patients who did not achieve FPR to NAT(P=0.027). Conclusions: FPR is a predictor of improved OS. SCC and radiation therapy-based protocol were identified as major prediction factors of FPR in patients with esophageal and GEJ cancers.
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