Is It Normal to See Blood Clots After Fistula Surgery? - Surgery

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After surgery for a fistula..?


Hello Dr.
Hsu, I would like to ask if it's normal for my father to have blood clots in his stool one week after having a colostomy.
I'm very worried because my father is severely disabled due to a stroke and cannot speak to express himself.

Niu, 30~39 year old female. Ask Date: 2015/10/17

Dr. Xu Kaixi reply Surgery


After anal canal surgery, wound healing typically takes at least 2-3 weeks if there is no infection or complications.
During this period, it is normal to experience slight bleeding during bowel movements; however, if there is significant bleeding or other accompanying symptoms, it is recommended that you visit the surgical outpatient clinic for further evaluation to rule out other potential complications.

Reply Date: 2015/10/17

More Info


After undergoing fistula surgery, it is not uncommon for patients to experience some bleeding, including the presence of blood clots in their stool. However, the degree and nature of the bleeding can vary significantly from person to person. In your father's case, seeing blood clots in his stool one week post-surgery may indicate a few different things.

Firstly, it is important to understand that surgical procedures involving the anal region, such as fistula surgery, can lead to some degree of trauma to the surrounding tissues. This trauma can result in localized bleeding, which may manifest as blood clots in the stool. The presence of blood clots can be concerning, but it is often a result of the healing process. As the surgical site heals, it is possible for small blood vessels to break, leading to bleeding that can mix with stool and form clots.

However, while some bleeding can be expected, it is crucial to monitor the situation closely. If the bleeding is significant, persistent, or accompanied by other concerning symptoms such as severe pain, fever, or changes in bowel habits, it is essential to seek medical attention promptly. These symptoms could indicate complications such as infection, excessive bleeding, or issues with the healing process.

In the context of your father's condition, especially considering his history of stroke and severe disability, it is vital to ensure that he receives appropriate care. If he is unable to communicate his symptoms effectively, caregivers should be vigilant in observing any changes in his condition. This includes monitoring the amount of blood, the frequency of bowel movements, and any signs of discomfort or distress.

In terms of management, if the bleeding is mild and not accompanied by other alarming symptoms, conservative measures may be taken. This can include ensuring that your father stays hydrated and maintains a diet that promotes soft stools, which can help reduce strain during bowel movements. Additionally, warm sitz baths may provide comfort and promote healing in the anal region.

If the bleeding persists or worsens, it is crucial to consult with the surgeon or a healthcare provider who can evaluate the situation more thoroughly. They may recommend further diagnostic tests, such as imaging studies or a physical examination, to assess the surgical site and determine if there are any underlying issues that need to be addressed.

In summary, while some bleeding and the presence of blood clots can be a normal part of the healing process after fistula surgery, it is essential to monitor the situation closely. Given your father's medical history and current condition, it is advisable to consult with a healthcare professional to ensure that he receives the appropriate care and management. Prompt attention to any concerning symptoms can help prevent complications and promote a smoother recovery.

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