Evaluación de la eficacia y seguridad de un nuevo equipo desechable para lavado de oídos  <span class="so-article-trans-title" dir="auto"> Translated title: Evaluation and safety of the effectiveness of a new disposable kit for ear washing </span>

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Abstract

Resumen Objetivo principal: Evaluar el rendimiento de un nuevo dispositivo desechable para el lavado de oídos por tapón de cerumen, en comparación con el método tradicional (jeringa metálica). Metodología: ensayo clínico aleatorizado, doble ciego, de grupos paralelos, con asignación cuasi-aleatoria y análisis por intención de tratar. Resultados principales: Participaron 273 pacientes. Los resultados se muestran comparando jeringa metálica (JM) vs nuevo dispositivo (ND). Extracción del tapón: 86,10 % vs 94,52 %; efectos adversos: 9.55 % vs 3.64%; eritema en el CAE: 34.32 % vs 22.62 %; erosión: 5.97 % vs 2.91 %. Respecto a los profesionales que utilizaron ambos métodos de lavado, el 90 % señaló que el ND representaba una mejoría en el manejo del lavado de oídos. Conclusión principal: El ND desechable para el lavado de oído, mejora el manejo, tiempo de utilización, eficacia y seguridad en comparación con la JM.

Translated abstract

Abstract Objective: To evaluate the performance of a new disposable device for ear washing by ear wax, in comparison with the traditional method of the metal syringe. Methods: randomized, double-blind, parallel-group clinical trial, with Quasi-random assignment and intention to treat analysis. Results: 273 patients participated. Results are showed comparing metal syringe (JM) vs the new device (ND). Extraction of the cap: 86.10% vs 94.52%; adverse effects: 9.55% vs 3.64%; erythema in the EAC: 34.32% vs 22.62%; erosion in 5.97% vs 2.91%. Regarding to the professionals who used both methods, 90% indicated that the ND represented an improvement in the management of ear washing. Conclusions: The new disposable device for ear washing, improves handling, time of use, efficacy and safety to the traditional method with the metal syringe.

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Does cerumen have a risk for transmission of hepatitis B?

S Direkel, M. Tayyar Kalcioglu, Yasar Bayindir … (2004)

Chronic hepatitis B virus infection is a significant worldwide health problem. It affects 350 to 400 million people. The patients with chronic hepatitis B virus infection have a significant risk for the development of cirrhosis or hepatocellular carcinoma. Full awareness of the mechanisms of transmission can allows susceptible individuals to refrain from this infection. Cerumen has never been studied as a route for hepatitis B transmission. The aim of the study was evaluate the importance of cerumen in transmission of hepatitis B virus infection. This study was performed on forty patients with confirmed hepatitis B virus infection. Forty cerumen specimens collected from the patients with hepatitis B virus DNA in their sera were prospectively analyzed for the presence of hepatitis B virus DNA by real-time polymerase chain reaction. Eleven of 40 cerumen specimens (27.5%) were positive for hepatitis B virus DNA, with counts ranging from 4.2 x 10 to 4.7 x 10 copies per sample. There was positive correlation between hepatitis B virus DNA concentrations of serum and cerumen. Half of hepatitis B e antigen (HBeAg)-positive patients had detectable hepatitis B virus DNA levels (5.7 x 10 to 4.7 x 10 copies) in cerumen specimens, whereas 12.5% of cerumen specimens from anti-HBe-positive patients had hepatitis B virus DNA levels (4.2 x 10 to 7.0 x 10 copies). Cerumen can be a potential source of transmission. Therefore, this route should be investigated in further studies for horizontal, nosocomial, and occupational transmission of hepatitis B.