Invariant NKT cells and rheumatic disease: Focus on primary sjogren syndrome

Primary Sjogren syndrome (pSS) is a complex autoimmune disease mainly affecting salivary and lacrimal glands. Several factors contribute to pSS pathogenesis; in particular, innate immunity seems to play a key role in disease etiology. Invariant natural killer (NK) T cells (iNKT) are a T-cell subset able to recognize glycolipid antigens. Their function remains unclear, but studies have pointed out their ability to modulate the immune system through the promotion of specific cytokine milieu. In this review, we discussed the possible role of iNKT in pSS development, as well as their implications as future markers of disease activity

Stapedotomia V.S. Stapedectomia: nostra esperienza

RAZIONALE La chirurgia della staffa ha visto negli ultimi anni molte innovazioni nel trattamento chirurgico dell'otosclerosi. In particolare, la stapedectomia \ue8 stata sostituita sempre pi\uf9 dalla stapedotomia prima con metodo classico e successivamente con metodica invertita, in quanto si ritiene che tali varianti chirurgiche consentano una maggiore riduzione del gap tra via ossea e via aerea per le alte frequenze, una migliore discriminazione vocale oltre che minori complicanze intra e post operatorie. Lo scopo del presente studio \ue8 stato quello di confrontare i risultati della stapedotomia con la stapedectomia nei pazienti affetti da otosclerosi e in particolare il miglior recupero uditivo e l'insorgenza di complicanze intra e post-operatorie. MATERIALI E METODI Le variabili oggetto del nostro studio sono state: il sesso, l'et\ue0, la familiarit\ue0. I pazienti sono stati sottoposti a timpanometria e a audiometria tonale pre-operatoria e post-operatoria a distanza di 2 mesi dall'intervento. Le soglie uditive per la via aerea sono state ottenute per le frequenze 250-8000 Hz, mentre le soglie uditive per la via ossea sono state ottenute per le frequenze 250-4000 Hz. La soglia media (PTA) \ue8 stata calcolata per le frequenze 0.5, 1, 2, e 4 kHz ed \ue8 stato calcolato il gap tra la soglia media della via aerea e ossea. Infine si \ue8 valutata la presenza di acufeni e vertigini post-operatorie. Il confronto tra le due tecniche chirurgiche \ue8 stato eseguito tramite test \u3c72 a un livello di significativit\ue0 P < 0.05 per ognuna di queste variabili. RISULTATI I pazienti trattati con stapedotomia dimostrano risultati in termini di valori audiometrici migliori per la frequenza 4 kHz per la via aerea ed una riduzione del gap tra la via aerea e la via ossea per la stessa frequenza (p < 0.05) . L' insorgenza di acufeni e vertigini post-operatorie \ue8 ridotta in seguito a intervento di stapedotomia, anche se i risultati ottenuti non sono statisticamente significativi, probabilmente perch\ue8 la presenza di queste due complicanze dipende anche dai materiali protesici utilizzati e dall'esperienza del chirurgo. CONCLUSIONI La stapedotomia, attualmente, sembra essere l'intervento di scelta rispetto alla stapedectomia, non solo per i migliori risultati audiometrici ottenuti per la frequenze acute ma anche per la minore incidenza di complicanze post-operatorie. Di contro la stapedectomia \ue8 un intervento imprescindibile qualora vi sia una totale compromissione della staffa o frattura della platina intraoperatoriamente

Noise-Induced Hearing Loss in Police Officers: Systematic Review

Introduction: Noise-induced hearing loss (NIHL) is defined as the sensorineural hearing loss caused by acute acoustic trauma or chronic exposure to high-intensity noises. Exposure to noises can lead to irreversible damage to the inner ear and, consequently, to a permanent shift of the hearing threshold. Police officers are particularly at risk of acute or chronic hearing damages. The aim of this study is to evaluate the hearing loss of police officers in relation to the occupational risk factors and clinical-anamnestic characteristics by collecting and analyzing existing data and evidence available in public databases. Materials and Methods: A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses group (PRISMA). Studies were included if they met inclusion and exclusion criteria. Study selection, data extraction, and quality assessment were conducted independently by two researchers. Results: Our initial literature search yielded 29 peer-reviewed articles. Out of 29 papers, only 10 were included in the review, after inclusion and exclusion criteria were applied the. Conclusions: Hypertension, smoking and alcohol intake significantly affect hearing performance. In addition, a history of acoustic trauma, use of ototoxic drugs, exposure to noise in leisure-time activities and failure to use ear protectors are often found in a fair number of subjects. NIHL is also related to the age of the subjects as well as the extent and duration of noise exposure. Furthermore, NIHL is also influenced by shooting practice sessions police officers are required to undertake as well as by the chronic exposure to traffic noise, especially in motorcycle police officers

Profilo familiare ed individuale come fattore predittivo delle performances verbo-acustiche pre impianto cocleare: esperienza personale

RAZIONALE L\u2019impianto cocleare \ue8 oramai il trattamento di scelta in tutti quei casi di sordit\ue0 preverbale severa/profonda permettendo di ottenere a distanza di 12 mesi una soglia uditiva amplificata integralmente all\u2019interno dello spettro acustico del parlato. Se ci\uf2 \ue8 dimostrato ampiamente dalla letteratura, \ue8 comunque vero che le aspettative familiari e le performances verbo/acustiche sono altamente variabili. Lo scopo del presente lavoro \ue8 quello di identificare tramite un accurato studio del profilo familiare ed individuale, tutte le possibili variabili in grado di influenzare i risultati. MATERIALI E METODI Le variabili oggetto del presente studio sono state suddivise in familiari ed individuali; tra le prime si \ue8 valutato: numero di familiari, titolo di studio, livello economico, attivit\ue0 lavorativa, aspettativa familiare; tra i fattori individuali: et\ue0 al momento della diagnosi di sordit\ue0, lunghezza della sordit\ue0, patologie associate, utilizzo delle protesi acustiche, terapia riabilitativa (sanitaria/privata), et\ue0 al momento dell\u2019impianto, tipo di impianto, strategia utilizzata, uso quotidiano dell\u2019impianto cocleare, stimolazione mono/bimodale. RISULTATI Le risposte ottenute dai tracciati audiometrici e dai questionari sulle capacit\ue0 percettive verbali messe in relazione con il profilo familiare ed individuale hanno evidenziato una correlazione significativa tra alto livello economico, terapia riabilitativa privata, uso quotidiano dell\u2019impianto cocleare e IT-MAIS, CAP e SIR (p>0.05). Di contro, a queste variabili familiari ed individuali sono corrisposte le aspettative familiari pre-impianto pi\uf9 elevate con il rischio pertanto di \u2018false aspettative\u2019. CONCLUSIONI Lo studio del profilo familiare e le caratteristiche individuali di un candidato all\u2019impianto cocleare possono essere uno strumento in pi\uf9 da utilizzare come fattori predittivi per non creare delle false aspettative in termini di performance uditive e di intelligibilit\ue0 nelle famiglie dei soggetti affetti da ipoacusia neurosensoriale bilaterale severa/profonda e candidati all\u2019impianto cocleare

FOLLOW-UP AFTER PEDIATRIC MYRINGOPLASTY: OUTCOME AT 5 YEARS

Aim. The aim of this paper was to evaluate anatomical and functional outcomes 5 years after myringoplasty in children affected by perforated eardrum. To analyze the main differences in the frequency of postoperative complications between patients under and over 9 years of age. Methods. One hundred and thirty-two children, aged from 4 to 15 years, who underwent myringoplasty with or without mastoidectomy, were followed for a five-year period after surgery. The cohort was divided in two groups: children from 4 to 9 years old (G1) and patients older than 9 years (G2); all subjects underwent a pre- and post-operatively clinical exam and were evaluated through audiometry and impedenzometry. Adenoidectomy, if necessary, was performed three months before myringoplasty. Results. Of the total 132 children of our cohort, the 32.58% were from 4 to 9 years old (G1) and the 67.42% were older than 9 years (G2). Twenty-five (58.13%) G1 and 2 (2.24%) G2 patients underwent adenoidectomy before myringoplasty (P<0.0001); in 18 (41.86%) G1 and 23 (25.84%) G2 subjects a mastoidetomy was associated to myringoplasty (P=0.062). The main postoperative complications observed were respectively retraction pockets (9.3%) and recurrent seromucous otitis (9.3%) in G1 group and myringosclerosis (4.4%) in G2 group. The GAP index (IG) resulted >2 (good-excellent degree) in the 89.36% of G1 and 91% of G2 children (P>0.5). Conclusion. Nevertheless good audiologic outcomes in patients under and over 9 years of age, our study evidenced a different percentages of success after myringoplasty in G1 and G2 groups (P=0.0024). Thus, considering the higher percentage of postoperative complications in children with less than 9 years of age, myringoplasty should be considered cautiously due to the risk of reperforation and/or cholesteatoma

ONE-TROCAR VIDEO-ASSISTED STRIPPING TECHNIQUE FOR USE IN THE TREATMENT OF LARGE OVARIAN CYSTS IN INFANTS

Background Management of ovarian cysts in infants is controversial; it can be conservative or surgical, and the management is determined by the cyst''s size and sonographic features. Methods A surgical approach using a 10-mm umbilically placed operative laparoscope was taken in 3 female infants with antenatally diagnosed large, simple ovarian cysts. The contents of the cysts were partially aspirated and the cyst walls were stripped off the remaining ovarian parenchyma. No intraoperative or postoperative complications were recorded. Conclusions The one-trocar video-assisted stripping technique for large ovarian cysts in infants appears to be an ovarian-tissue-preserving procedure, and it sidesteps the disadvantages of large scars and formation of adhesions

Psychopathologic disease in patients with tinnitus: a case control of an outpatient cohort

The goal of this work was to study if patients suffering from tinnitus, that affects 14.5% of Italian people, are more susceptible to psychological distress than those who are not affected by tinnitus; to evaluate the prevalence of psychopathological disorders among the cohort, their relationship with the severity of tinnitus and eventual correlation between the distress caused by tinnitus and age of patients. 191 cases and 237 controls were enrolled between 2009-2011. Cases were 80 females and 111 males with mean age of 48.06. Controls were 106 females and 131 males with mean age of 47.09. Overall subjects completed Symptom CheckList-90 R (SCL 90-R) and some brief questionnaire about audiological history while Tinnitus Handicap Inventory (THI) was compiled by cases. Our study indicates that there is a significance correlation between tinnitus and psychopathological disorders, especially with anxiety (\u3c72=8.08; p=0.004) and sleep disturbance (\u3c72=38.85; p=0.0001) and there is a slight correlation between higher THI score and lower age subjects (r=0.76). Especially causing working impairment, the highest correlation resulted for ages 25-50 (r=0.96)

TINNITUS PATIENTS: ETIOLOGIC, AUDIOLOGIC AND PSYCHOLOGICAL PROFILE

Tinnitus represents one of the most frequent symptoms observed in the general population in association with different pathologies, although often its etiology remains unclear. Objective of this work is to evidence the main aspects concerning epidemiology, causes, audiological characteristics and psychological consequences of tinnitus

Invariant NKT cells are expanded in peripheral blood but are undetectable in salivary glands of patients with primary Sj\uf6gren's syndrome.

OBJECTIVES: Invariant NKT (iNKT) cells play a role in regulating the function of autoreactive B cells before their entry into germinal centres. Absence and/or reduction of iNKT cells have been demonstrated in patients with systemic lupus erythematosus (SLE) together with an increase of autoreactive B cell activity. Primary Sj\uf6gren's syndrome (pSS) is a systemic autoimmune disease in which lymphocyte infiltration and organisation in lymphoid structures of inflamed salivary glands occurs. The aim of the study was to investigate the percentage and function of iNKT in the salivary glands and peripheral blood of patients with pSS. METHODS: Minor salivary gland biopsies were obtained from patients with pSS and with non-specific chronic sialoadenitis (nSS). Flow cytometry analysis of CD1d/\u3b1-GalactosylCeramide (\u3b1-GalCer) tetramer positive cells, producing IFN-\u3b3 and IL-17, and quantitative gene expression analysis by TaqMan real-time PCR for V\u3b124 were performed on salivary glands biopsies and peripheral blood samples obtained from patients and controls. Flow cytometry and immunofluorescence analysis for autoreactive B lymphocytes and ELISA for anti-SSA antibodies (Ab) detection were also performed. RESULTS: An increase of iNKT was detected ex vivo in peripheral blood of pSS patients; after \u3b1-GalCer stimulation this subset produce IL-17 and IFN-iNKT were undetectable in the salivary glands of pSS patients and anti-SSA specific B cells were found in target tissue. Invariant NKT cells were able to inhibit autoantibody production by B cells obtained from salivary glands of pSS. CONCLUSIONS: Impaired iNKT migration to inflamed sites might induce the activation of autoreactive B cells specific for SSA-antigen in salivary glands of pSS patients

A Prospective Observational Study on the Role of Immunohistochemical Expression of Orphanin in Laryngeal Squamous Cell Carcinoma Recurrence

To date, histological biomarkers expressed by laryngeal cancer are poorly known. The identification of biomarkers associated with laryngeal squamous cell carcinoma (SCC), would help explain the tumorogenesis and prevent the possible recurrence of the lesion after treatment. For this reason, the aim of this study is to investigate, for the first time, the Orphanin expression in 48 human specimens of laryngeal SCC and evaluate its possible correlation with patients prognosis. We analyzed pathological specimens from 48 patients with laryngeal SCC to detect the presence of Orphanin by using an immunohistochemistry test. We compared the findings with healthy tissue acquired from patients who underwent surgery for mesenchymal benign tumours of the larynx. The specimens were stained with anti-Orphanin monoclonal antibodies. Results were processed through a computerised image analysis system to determine a scale of staining intensity. All the tumoural specimens examined showed a significant immunoreaction for Orphanin when compared with healthy tissues (p &lt; 0.05) but with a different immune reactivity related to clinical-pathological features. A high Orphanin expression was not significantly related to Histological Grading (HG), TNM, and stage (p &gt; 0.05). In the multivariate analysis, the Orphanin expression was significantly related only to the malignant recurrence (p &lt; 0.05). Our study suggests that Orphanin could have a role in tumorigenesis by increasing the recurrence of cancer; therefore, it should be further explored as a possible biomarker for laryngeal cancer