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When does a hematoma need to be drained?

When does a hematoma need to be drained?

Navin Khosla NowPatientGreen tick
Created on 20 May 2024
Updated on 16 Jul 2024

Hematomas are the accumulation of blood outside of blood vessels. This can occur in various parts of the body. Hematomas can cause pain and discomfort, but in some cases drainage of the hematoma will become necessary to reduce the symptoms and encourage proper healing. So, when exactly does a hematoma need to be drained? Let’s take a look into when and why hematoma drainage may be necessary.

Understanding hematomas

Firstly it is important to have a clear understanding of what hematomas are and how they form. A hematoma can look like a bruise, but bruises occur due to damage to small blood vessels rather than large ones. Hematomas occur in larger blood vessels, including veins, and arteries. A hematoma is essentially a collection of blood that has leaked from damaged blood vessels, pooling in the injured area. This can occur as a result of trauma, surgery, or underlying medical conditions that affect blood clotting.

Hematomas can develop in various parts of the body, including soft tissues, muscles and organs, inside the skull, on the scalp, ears, septum, bones, fingernails and toenails (subungual hematoma). The severity of a hematoma can vary, ranging from mild discomfort to significant pain and swelling. In some cases, the accumulation of blood can slow down healing and the recovery process.

Common indications for hematoma drainage

Size

One of the main considerations for hematoma drainage is the size of the haematoma. Large hematomas, particularly those that continue to expand over time, can exert pressure on surrounding tissues, block blood flow, and cause considerable pain. In such cases, drainage becomes necessary to relieve the pressure and prevent further complications.

Persistent pain and discomfort

When hematomas occur in sensitive areas or put pressure on nerves, they are often accompanied by pain and discomfort. If conservative measures such as pain medication and rest fail to alleviate the pain, drainage may be required to provide relief and promote healing.

Impaired functionality

Hematomas can lead to functional impairment, restricting movement or causing disorders in the affected area. A large hematoma in the joint may limit the range of motion and hinder mobility. In such situations, drainage can help restore functionality and facilitate rehabilitation.

Risk of infection

Hematomas that are at risk of becoming infected may also require drainage. When blood pools outside blood vessels, it creates an environment conducive to bacterial growth. If there are signs of infection such as redness, warmth, or fever, drainage may be necessary to prevent the spread of infection and promote healing.

Underlying medical conditions

Individuals with certain medical conditions, such as coagulation disorders or compromised immune systems, may be more susceptible to complications from hematomas. In such cases, drainage may be recommended even for smaller hematomas, to prevent potential complications and promote optimal healing.

When considering hematoma drainage, healthcare professionals must take into consideration the overall health, medical history, and individual preferences of patients.

The hematoma drainage procedure

When the decision to drain a hematoma is made, the procedure typically involves the insertion of a catheter or needle to remove the accumulated blood. The exact technique may vary depending on the size, location and type of hematoma. Here are some common methods used for hematoma drainage:

Percutaneous drainage

Percutaneous drainage involves the insertion of a catheter or needle directly into the hematoma under imaging guidance. This allows for precise placement and effective drainage of the accumulated blood. The catheter can be left in place for a specific duration to ensure complete drainage and prevent re-accumulation.

Surgical drainage

Surgical drainage may be necessary, especially for larger or more complex hematomas. This procedure involves making an opening to access the hematoma to drain the blood manually. Surgical drainage may be preferred when other interventions have been unsuccessful.

Ultrasound-guided drainage

Ultrasound guidance can be carried out to secure the accurate placement of the drainage catheter or needle. This technique allows for real-time visualization of the hematoma and surrounding structures, reducing the risk of complications and improving the success rate of the drainage procedure.

Complications

While hematoma drainage is generally a safe and effective procedure, some potential complications and considerations need to be taken into account. These include:

Infection

Any invasive procedure carries a risk of infection. Proper sterile techniques and vigilant monitoring are crucial to minimize the risk of introducing bacteria into the hematoma or surrounding tissues during the drainage procedure.

Bleeding

There is a potential risk of bleeding during or after hematoma drainage. This risk is higher in individuals with underlying bleeding disorders or those taking blood thinners such as warfarin.

Recurrence

In some cases, hematomas may re-accumulate after drainage. This can be due to ongoing bleeding, inadequate drainage, or the persistence of underlying conditions. Close follow-up and appropriate management strategies are necessary to prevent recurrence and ensure optimal healing.

Fistula Formation

In rare instances, drainage procedures can lead to the formation of abnormal connections between the hematoma and adjacent structures, such as the bowel, pancreas, or biliary system. These fistulas can cause further complications and may require additional interventions for resolution.

Conclusion

Hematoma drainage is useful in cases where the accumulation of blood causes significant discomfort with symptoms, loss of movement, or poses a risk of infection. The decision to drain a hematoma is based on various factors, including size, symptoms, and associated risks. While hematoma drainage is rarely life-threatening, it is essential to consider potential complications and seek medical care if needed. Healthcare providers can determine when hematoma drainage is necessary and provide medical advice.

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