The paracentesis procedure involves several steps, typically carried out in a medical setting such as a hospital or outpatient clinic.

It’s important to note that while paracentesis is generally considered safe, it carries some risks, and patients should follow any pre-procedure instructions provided by their healthcare provider and report any unusual symptoms or concerns during or after the procedure.

Here’s an overview of what typically happens during a paracentesis:

Local anesthesia is administered to numb the skin and deeper tissues at the site where the needle will be inserted. This helps minimize discomfort during the procedure. Using sterile technique, the interventional radiologist inserts a thin needle or catheter through the skin and into the abdominal cavity. Ultrasound guidance may be used to visualize the abdominal organs and guide the insertion of the needle, especially in cases where ascites fluid may be difficult to locate. Once the needle or catheter is in place, the excess fluid is slowly drained from the abdominal cavity. The rate of fluid removal is typically controlled to prevent sudden shifts in fluid and electrolyte balance that could lead to complications such as low blood pressure or kidney problems. The amount of fluid removed may vary depending on the patient’s condition and the extent of fluid buildup. The needle or catheter is removed, and pressure may be applied to the insertion site to minimize bleeding and help with wound healing.

Fasting is not required – you may eat and drink normally. You can drive yourself home. You may be asked to hold blood thinning medications.

The patient may be observed for a period after the procedure to ensure stability and monitor for any delayed complications. The removed fluid is sent to a laboratory for analysis to help determine the underlying cause of ascites and guide further treatment.

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