Post-Surgery Concerns: Unhealed Drain Hole with Discharge After Deep Laceration - Surgery

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After suturing a deep laceration, the drainage site has not healed and is oozing pus?


About a month ago, I was in a car accident where the inner side of my left calf was severely injured by a truck's bumper, resulting in a deep wound approximately 20 centimeters long that exposed the bone, with the tissue inside being almost crushed.
After undergoing surgery for suturing, the stitches have now been removed.
However, there was a drainage tube placed initially, and the hole from the drainage tube has not yet healed, leaving a small opening that is now oozing a yellowish fluid.
I'm unsure if this fluid is serous or pus.
I have been having the school nurse clean the wound and change the dressing, but it still occasionally leaks some fluid.
Is this normal, doctor? How long is this situation likely to last? I'm really worried.
😭

Doris, 10~19 year old female. Ask Date: 2015/07/16

Dr. Xu Kaixi reply Surgery


One month ago, a car accident resulted in a 20 cm deep laceration on the inner side of the left calf.
The patient has undergone surgical debridement and suturing, and the stitches have now been removed along with the drainage tube.
The drainage site (hole) is expected to heal in about a week.
During this period, clear serous drainage is normal; unless there is a significant increase in drainage or it appears cloudy, standard wound care can be followed.
The drainage site is expected to heal in approximately one to two weeks.

Reply Date: 2015/07/16

More Info


After a significant injury such as the deep laceration you described, it is not uncommon to have concerns about the healing process, especially when there is a drainage hole that has not yet closed. The situation you are experiencing—where a small hole from a drainage tube is still discharging yellowish fluid—can be concerning, but it is important to understand the healing process and what to expect.

Firstly, the yellowish fluid you are seeing could be either serous fluid (which is a normal part of the healing process) or pus (which may indicate an infection). Serous fluid is typically clear to pale yellow and is a normal part of the body's response to injury, helping to keep the area moist and facilitating healing. On the other hand, pus is usually thicker, may have a foul odor, and can be a sign of infection. If the fluid is accompanied by increased redness, swelling, warmth, or pain around the area, or if you develop a fever, these could be signs of an infection that would require medical attention.

The healing of a drainage site can vary significantly from person to person, depending on several factors including the extent of the injury, the individual's overall health, and how well the wound is being cared for. In general, small drainage holes can take several weeks to heal completely. It is not unusual for such sites to continue to drain for a period of time after the removal of the drainage tube, especially if the underlying tissue is still healing.

Here are some recommendations for managing your situation:
1. Keep the Area Clean: Continue to clean the area as instructed by your healthcare provider. Use sterile techniques and avoid touching the area with unwashed hands to reduce the risk of introducing bacteria.

2. Monitor the Discharge: Keep an eye on the characteristics of the fluid. If it changes from yellowish to green or brown, or if it becomes thicker, this could indicate an infection.

3. Watch for Signs of Infection: Be vigilant for any signs of infection, such as increased pain, swelling, redness, warmth, or fever. If you notice any of these symptoms, contact your healthcare provider promptly.

4. Follow Up with Your Doctor: If the drainage persists beyond a couple of weeks or if you have any concerns about the healing process, it is important to follow up with your surgeon or healthcare provider. They may want to assess the wound to ensure that it is healing properly and to rule out any complications.

5. Patience is Key: Healing from a significant injury can take time. It is important to be patient and allow your body the time it needs to heal.
In conclusion, while it is common for drainage sites to take time to heal, it is crucial to monitor the situation closely. If you have any doubts or if the discharge changes in nature, do not hesitate to reach out to your healthcare provider for further evaluation. Your health and peace of mind are important, and your provider can give you the best guidance based on your specific situation.

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