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28 yr old male patient with long standing large pilonidal sinus went for an open wound surgery.... how long should packing be done ? how should the packing be done? there is a stringy liquid inside the open wound on day 4 post op. what do we do about it?

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pilonidal surgery open wound postoperative packing instructions serous drainage guideline

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https://www.guysandstthomas.nhs.uk/health-information/piloni…

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Because this was a large open excision, the operative surgeon or wound-care nurse should review it, ideally today or within 24 hours. Packing requirements after a wide excision are different from simple drainage of a small pilonidal abscess.

How long should packing continue?

There is no fixed number of days. Packing is usually continued only while there is a cavity that needs to heal from the base upward and while it is producing enough drainage to need an absorbent dressing. The frequency and type should follow the surgeon's written plan.
  • Often the wound is assessed and dressing changed daily in the early period.
  • Packing is gradually reduced or stopped when the cavity becomes shallow and healthy granulation tissue fills it.
  • A large open pilonidal-excision wound can take several weeks, sometimes longer, to fully heal by secondary intention.
  • Packing should not be pushed tightly into the cavity or used to overfill it. Tight packing can cause pain, bleeding, pressure injury, and delay healing.
For comparison, continued packing may not be needed after simple abscess incision and drainage, but that guidance does not automatically apply to a large excisional wound. Current Surgical Therapy notes that after simple pilonidal abscess drainage, packing may be used initially for haemostasis but ongoing packing may not be necessary (p. 375). Your case needs wound-specific instructions.

How the packing is generally done

This should preferably be performed by a trained nurse until the patient or caregiver has been specifically taught.
  1. Wash hands and prepare a clean field.
  2. Remove the old packing gently. If stuck, moisten it with sterile saline as instructed rather than pulling hard.
  3. Note drainage amount, colour, smell, and any bleeding.
  4. Rinse/clean only as the surgical team advised, commonly with saline or showering once permitted. Do not put hydrogen peroxide, alcohol, antiseptics, powders, or herbal products into the wound unless prescribed.
  5. Use a single continuous, loose strip of the prescribed dressing material, with a visible tail left outside the wound. It should contact the base and sides lightly, not be tightly compressed.
  6. Cover with an absorbent outer dressing. Keep the natal cleft clean and dry between dressing changes.
A hospital aftercare guide similarly advises daily nurse dressing review for open pilonidal wounds with internal packing, with removal directed by the treating nurse/surgeon. Guy's and St Thomas' aftercare guidance

“Stringy liquid” on day 4

A thin, stringy yellow-clear material can be fibrinous exudate/slough, mixed with serous wound fluid. This can occur during normal early wound healing. It should not be pulled out or scraped off at home, since it may be attached to healing tissue and can trigger bleeding.
However, it needs assessment if it is:
  • thick opaque yellow, green, grey, or brown pus
  • foul smelling
  • increasingly copious
  • associated with worsening pain, spreading redness/warmth, swelling, fever, chills, or feeling unwell
  • accompanied by rapidly increasing bleeding, black tissue, or wound-edge breakdown
Action: contact the operating surgeon/clinic or community wound nurse today, describe the discharge and arrange a wound check. Seek urgent care now if there is fever, rapidly spreading redness, severe worsening pain, heavy bleeding, or systemic illness. Do not start antibiotics unless prescribed after clinical review.
The wound is intentionally left open to heal from the bottom upward after excision, and a wound vac/negative-pressure dressing is one possible option for selected extensive wounds, but this decision belongs to the surgical team. Sabiston Textbook of Surgery, p. 2170.
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