Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Τρίτη 12 Ιανουαρίου 2021

Middle turbinate mucosal flap: A low‐morbidity option in the management of skull base defects

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Abstract

Background

To describe the low morbidity of middle turbinate mucosal flap (MTMF) to repair anterior skull base defects.

Methods

Skull base endonasal endoscopic surgeries performed at a tertiary hospital between 2015 and 2018 were analyzed. Patients were divided into two groups according the existence or not of a significant intraoperative cerebrospinal fluid (CSF) leak. In Group 1 (n = 28), gasket seal and a pedicled endonasal flap were used to repair the defect: 13 nasoseptal flaps (NSF), 8 inferolateral wall flaps (ILF), and 7 MTMF. In Group 2 only an endonasal flap was used: 9 NSF, 4 ILF, and 18 MTMF. Surgical and recovery time were analyzed (Student's t test). Our favorite surgical technique is described.

Results

Fifty‐nine patients were included. Average surgical time was 27.7, 41.6, and 11.3 min for NSF, ILF, and MTMF, respectively. MTMF showed a faster recovery.

Conclusion

MTMF is a safe reconstructive option for anterior skull base defects.

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VHI-10 Scores in a Treatment-Seeking Population With Dysphonia

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The VHI-10 is a patient-reported outcome measure used to record the patient's perception of impairment or handicap due to a voice problem. Scores above 11 are abnormal and indicate voice handicap. Amongst a treatment-seeking population in a large tertiary voice center, scores below the VHI-10 cutoff score of 11 were frequently noted. The aim of this study was to examine the number of people seeking voice therapy for dysphonia who scored below the established VHI-10 cutoff score.
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Expression and Role of Thyrotropin Receptors in Proopiomelanocortin-Producing Pituitary Cells

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Thyroid, Ahead of Print.
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Use of a modular ontology and a semantic annotation tool to describe the care pathway of patients with amyotrophic lateral sclerosis in a coordination network

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journal.pone.0244604.g004&size=inline

by Sonia Cardoso, Pierre Meneton, Xavier Aimé, Vincent Meininger, David Grabli, Gilles Guezennec, Jean Charlet

The objective of this study was to describe the care pathway of patients with amyotrophic lateral sclerosis (ALS) based on real-life textual data from a regional coordination network, the Ile-de-France ALS network. This coordination network provides care for 92% of patients diagnosed with ALS living in Ile-de-France. We developed a modular ontology (OntoPaRON) for the automatic processing of these unstructured textual data. OntoPaRON has different modules: the core, medical, socio-environmental, coordination, and consolidation modules. Our approach was unique in its creation of fully defined concepts at different levels of the modular ontology to address specific topics relating to healthcare trajectories. We also created a semantic annotation tool specific to the French language and the specificities of our corpus, the Ontology-Based Semantic Annotation Module (OnBaSAM), using the OntoPaRON ontology as a reference. We used these tools to annotate the records of 928 patients automati cally. The semantic (qualitative) annotations of the concepts were transformed into quantitative data. By using these pipelines we were able to transform unstructured textual data into structured quantitative data. Based on data processing, semantic annotations, sociodemographic data for the patient and clinical variables, we found that the need and demand for human and technical assistance depend on the initial form of the disease, the motor state, and the patient age. The presence of exhaustion in care management, is related to the patient's motor and cognitive state.
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Associated factors, health-related quality of life, and reported costs of chronic otitis media in adults at two otologic referral centers in a middle-income country

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journal.pone.0244797.g002&size=inline

by Lucia C. Pérez-Herrera, Daniel Peñaranda, Sergio Moreno-López, Ana M. Otoya-Tono, Lorena Gutiérrez- Velasco, Juan Manuel García, Augusto Peñaranda

Background

Despite the high prevalence of chronic otitis media (COM) in low to middle-income countries, there are few studies regarding its associated factors, health-related quality of life, and treatment costs. This study aimed to identify associated factors of COM, assess its impact on the quality of life as well as estimate the patients' reported costs of COM treatment in Colombia.

Methods

Cross-sectional study. Two otology-referral centers in Bogotá (Colombia) were included. Questionnaires focusing on sociodemographic and clinical associated factors, quality of life, and patients' reported costs were administered to 200 adults with COM diagnosis and 144 control adults. Otoscopic evaluation and audiometric data were collected.

Results

The mean age was 42.2 years (SD: 14.44). The median length of COM was 26.13 years (SD: 17.06), and 79.5% of the COM patients reported otorrhea during childhood (P-value: 0.01). The most frequently reported allergic disease amon g our study population was allergic rhinitis (26.5%). COM was less frequent in patients with a medium-high socioeconomic status (PR: 0.54; 95% CI: 0.39–0.72), and more frequent in patients who reported increased ear discharge due to upper respiratory tract infections (PR: 1.69; 95% CI: 1.68–1.70). The global score of the "Chronic Suppurative Otitis Media Questionnaire-12" showed a difference of 9 points between patients with active and inactive COM (P Conclusions

Associated factors found in this study are consistent with previous reports. COM has a significant financial impact and affects patients' quality of life. Worldwide research addressing these issues in poor-resource countries is scarce, further studies are needed.

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Κυριακή 10 Ιανουαρίου 2021

Sprouty2 Inhibits Migration and Invasion of Fibroblast-Like Synoviocytes in Rheumatoid Arthritis by Down-regulating ATF2 Expression and Phosphorylation

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Abstract

Activating transcription factor 2(ATF2), a transcription factor belonging to the AP-1 family, plays an important role in inflammation. However, its biological functions and underlying molecular mechanisms in rheumatoid arthritis (RA) remain unclear. Western blot and immunohistochemistry were used to identify the expression of ATF2 and Sprouty2(SPRY2) in RA synovial tissues. SW982 cells were stimulated by TNF-α to establish an in vitro RA fibroblast-like synoviocyte (RA-FLS) model. Transwell and monolayer wound-healing were used to detect cell migration and invasion. RNA interference (si-ATF2) and adenovirus vector (Ad-SPRY2) methods were employed to manipulate ATF2 or SPRY2 expression in SW982 cells. The protein expression and phosphorylation levels in SW982 cells were evaluated by western blot. ATF2 expression and phosphorylation were upregulated in the RA synovial tissues. In RA-FLS model, ATF2 expression and phosphorylation were increased in a time -dependent manner. ATF2 knockdown inhibited the migration and invasion of RA-FLS model, reducing the inflammatory factors, which was consistent with the influence on cell behaviors caused by SPRY2 overexpression. Moreover, SPRY2 overexpression inhibited the TNF-α-induced phosphorylation of ERK and ATF2 in SW982 cells. The high expression and phosphorylation of ATF2 promoted migration and invasion of RA-FLSs. SPRY2 might inhibited the inflammatory responses of RA-FLSs via suppressing ERK-ATF2 pathway.

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Zingerone Mitigates Carrageenan-Induced Inflammation Through Antioxidant and Anti-inflammatory Activities

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Abstract

Inflammation is the body's response against various pathogens and has a critical role in numerous diseases. Zingerone (Zing), a bioactive substance derived from ginger root, has a variety of pharmacological properties, such as reducing inflammation, and antioxidant effects. We aimed to evaluate the beneficial effects of Zing in a carrageenan-induced inflammation model. Paw edema induced by carrageenan (100 μl of 1%) was used to induce acute inflammation in rats. Different doses of Zing (10, 20, and 40 mg/kg) were administered intraperitoneally. Paw tissue levels of MDA, NO, CAT, SOD, GPx, GSH, COX-2, PGE2, TNF-α, and IL-1β were estimated. Our results showed that Zing, especially at the highest dose of 40 mg/kg, significantly reduced paw swelling in carrageenan-injected animals. Zing significantly increased paw enzymatic and nonenzymatic antioxidants except CAT. It also decreased paw levels of MDA, NO, COX-2, PGE2, TNF-α, and IL-1β. The results of this study show that Zing may provide an alternative for the clinical control of inflammation through antioxidant and anti-inflammatory activities.

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