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what is Surgical dressing? funtion characteristics and types of dressing i:e primary and secondary surgical dressing.

Surgical dressing: 

Definition of surgical dressing:

                                      The sterile covering that is placed over the wound or injuries parts of the body to control bleeding, absorb blood and secretion in order to prevent the infection and ease the pain with the help of tape or bandage is called surgical dressing.  

Main function of surgical dressing:

1.     To provide analytic debridement.            
2.     Absorb the exhausted and promote prompt healing
3.     To ease pain and provide protection for newly formed tissues.
4.     To maintain optimum moist environment for wound without any damage.
5.     To allow post-operative assessment of the wound bed. 
                   

Selection of surgical dressing: the selection of dressing depends upon 

1.      Wound assessment and characteristic of wound bed.
2.      Healing require moisture in the wound bed.

Characteristics of the ideal dressing:

•       Capable of maintaining a high humidity at the wound site while removing excess exudate
•       Free of particles and toxic wound contaminants
•       Non-toxic and non-allergenic
•       Capable of protecting the wound from further trauma
•       Can be removed without causing trauma to the wound
•       Impermeable to bacteria
•       Thermally insulating
•       Will allow gaseous exchange
•       Comfortable and conformable
•       Require only infrequent changes
•       Cost effective
•       Long shelf life

Types of surgical dressing:

             1)primary dressings.

              2)secondary dressings.

Primary dressings versus Secondary dressings

Primary dressings: 

  •  As the name indicate they are applied directly on the top of the  wound.
  • they are in direct contact with the wound their for help in the healing process directly.
  • they are generally use with topical anti-bacterial  ointments or gel that help in keeping the wound clean and expediting the healing process.
  • they should be free from any kind of contamination because this dressing is in direct contact with wound their for my cause infection.
  • they can be cut into different shape for wound packing.
  • they are made of highly sorbent materials in order to absorb the exudate or secretion occur from the wound. 

Examples of primary dressings:

  • plain gauze.
  • impregnated gauze.
  • paraffin gauze dressing etc.

3M Tegaderm Ag Mesh Dressing with silver 

Secondary dressings of fixing/maintenance:

  • As the name  indicate they are applied secondly on the top of primary dressing for support.
  • they  are not in direct contact with wound.
  • for secondary dressing its not necessary to have absorbent.
  • they should be made strong in order to support primary dressing.
  • due to their high adhesiveness character some hypoallergic should be adder in order to avoided skin rashes or irritation.
  • they come in form of bandages, gauze dressings, and some types of tapes.                               

Examples of secondary dressings:

  • bandages such as gauze bandages.
  • compression bandages.
  • cohesive bandages and
  • conformable bandages are the most common types of secondary dressing.

Smith and Nephew Coversite composite cover dressing


Primary dressing versus Secondary dressings



REFRENCES;

  1.  HOSPITAL PHARMACY BY NADEEM  IRFAN BUKHARI
  4.   https://advancedtissue.com/2013/12/different-types-wound-care-dressings/
  5. https://www.shopwoundcare.com/ar-primary-dressings-versus-secondary-dressings.html 
 
        
               THANKS A PILE

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