Define MRSA?



Define MRSA?

john Jones, age 32, is admitted to your ward  after post-surgical lancing of a cutaneous abscess located on his perineum.  The abscess was caused by MRSA bacteria.  The abscess required excision and drainage to remove pus and debris.

Mr. Jones is under police guard as he has been on remand at the nearby Correctional Centre for the past 2 days awaiting trial related to holding an illegal drug.  Mr. Jones has a history of IV heroin use and homelessness. He states that he last used heroin “about 4 days ago”.  Mr. Jones’s medical history reveals that he has previously been admitted to hospital for depression and a suicide attempt.  His blood tests returned positive for Hepatitis C.  Insulin levels are within the normal range and chest x ray returned clear.  His BMI is 20kg/m2, weight is 65kg and height 180cm.

You read the surgeon’s post-operative instructions:

Wound cavity to be dressed daily with Betadine-soaked gauze packing

Mr. Jones  is visited by the wound management nurse who documented the following in his notes:

Wound to heal by secondary intention

Wound cavity measures 12mm long x 11mm wide and 10mm deep, extending to the subcutaneous tissue layer

Wound bed consists of 100% granulation tissue; is malodorous and is oozing large amounts of haemoserous exudate.

Based on this assessment, the wound management nurse disagreed with the surgeon’s post-operative wound management strategy.

 

Answer the following questions in relation to the information provided in the above case study:

 

1. a) Define MRSA? (150 WORDS)

b)  Why is it antibiotic resistant? (150 WORDS)

c) Discuss the major complications MRSA may have on wound healing and other body systems. (150 WORDS) REFERENCE EACH SECTION.

 

2. What special infection control considerations would you implement for Mr Jones? In your answer include the following –

a) the chain of infection – include each step in the chain eg. reservoir/ host, portal of entry/exit, transmission and show how these occurred in Mr. Jones’ case. (150 WORDS)

b) standard/additional precautions – clearly identify the differences between them (150 WORDS)

c)  infection control education required for Mr. Jones and the police guard.  (150 WORDS)


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