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Como coletar amostras de adenovírus com segurança e eficácia

2023-12-12

Os adenovírus são um grupo de vírus comuns que podem causar várias doenças, incluindo infecções respiratórias e gastrointestinais. A coleta de amostras para testes de adenovírus é crucial para um diagnóstico preciso e um tratamento eficaz. Neste artigo, discutiremos os métodos seguros e eficazes para coletar amostras de adenovírus, garantir o bem-estar dos profissionais de saúde e dos pacientes.

Preparação para coleta de amostras:

Before collecting adenovirus specimens, it is essential to gather the necessary equipment and maintain proper hygiene. Follow these steps:

1. Wear appropriate personal protective equipment (EPI): Put on disposable gloves, a gown, and a face mask to protect yourself from potential exposure.

2. Gather supplies: Collect sterile swabs, viral transport media tubes, and biohazard bags for proper specimen storage and transportation.

3. Higiene das mãos: Wash your hands thoroughly with soap and water or use an alcohol-based hand sanitizer before and after each collection.

Specimen Collection Procedure

Adenovirus specimens can be collected through various methods, including nasal swabs, esfregaços de garganta, fecal specimens, and eye swabs, depending on the specific symptoms and suspected site of infection.

1. Nasopharyngeal Specimen Collection

For respiratory adenovirus infections, a swab nasofaríngeo is commonly used. To collect the specimen safely and effectively, Siga esses passos:

a. Gently insert a flexible, sterile swab into the nostril until resistance is met at the nasopharynx.
b. Rotate the swab several times to obtain an adequate sample.
c. Carefully remove the swab without touching any other surfaces or objects.
d. Place the swab into a sterile tube containing a viral transport medium, garantindo que esteja devidamente selado.

2. Throat Specimen Collection

In cases where a nasopharyngeal swab is not feasible, a cotonete na garganta can be used to collect adenovirus specimens. The following guidelines should be followed:

a. Tilt the patient’s head back slightly and ask them to open their mouth wide.
b. With a sterile swab, gently swipe the back of the throat, targeting the tonsils and any visible lesions.
c. Evite tocar na língua, dentes, or cheeks.
d. Place the swab into a sterile tube containing a viral transport medium, ensuring proper sealing.

 

3. Eye Specimen Collection

For ocular adenovirus infections, conjunctival swabs are employed. Here’s how to collect the specimen safely:

a. Wash your hands and put on sterile gloves.
b. Gently roll a sterile swab over the conjunctiva of the affected eye, avoiding direct contact with the cornea.
c. Place the swab into a sterile tube containing a viral transport medium, ensuring proper sealing.

4. Post-collection Precautions

After completing the specimen collection, it is essential to observe proper disposal and hygiene practices:

a. Remove PPE: Safely remove and dispose of all PPE following the recommended guidelines.
b. Higiene das mãos: Lave bem as mãos com água e sabão ou use um desinfetante para as mãos à base de álcool.
c. Clean the collection area: Disinfect any surfaces or equipment used during the procedure to prevent cross-contamination.

 

 

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