The procedure of paracentesis for ascites
Apr 17, 2023
Source: Cainiu Health
Dr. He Haochen
Introduction
Paracentesis is a medical procedure that involves using a needle and syringe to remove accumulated fluid from the abdominal cavity. The procedure includes preparation, localization, local anesthesia, puncture, ascites collection, completion, and post-procedure management. It should be noted that paracentesis is a procedure associated with certain risks and may lead to complications such as infection, bleeding, or organ injury.
Paracentesis is a medical procedure that involves using a needle and syringe to remove accumulated fluid from the abdominal cavity. The procedure includes the following steps: preparation, localization, local anesthesia, puncture, ascites collection, completion, and post-procedure management.
1. Preparation
The doctor will explain to the patient the purpose, procedure, and potential risks, and obtain informed consent. The patient is usually asked to lie flat or in a semi-sitting position with the abdomen exposed. Strict sterile techniques are followed before the procedure, including hand washing, wearing gloves, and disinfecting the puncture site.
2. Localization
Ultrasound guidance or clinical examination is typically used to identify the location of fluid accumulation and determine the optimal puncture site. Ultrasound guidance allows precise localization and helps avoid injury to surrounding organs.
3. Local Anesthesia
A local anesthetic is injected around the puncture site to minimize discomfort and pain for the patient.
4. Puncture
A long, thin needle attached to a syringe is inserted through the skin and abdominal muscles into the peritoneal cavity to withdraw the accumulated ascitic fluid. Pressure and characteristics of the fluid are monitored during the procedure.
5. Ascites Collection
Once ascitic fluid begins to enter the syringe, it is slowly aspirated and transferred into collection containers. The amount of fluid removed is determined based on clinical needs, continuing until the desired volume is achieved.
6. Completion and Post-Procedure Management
After fluid removal is complete, the needle is slowly withdrawn from the abdominal cavity, and a dressing is applied to the puncture site. The collected ascitic fluid may be sent to a laboratory for further analysis. The physician documents detailed procedural information and provides necessary follow-up care and recommendations based on the patient’s condition.
It should be noted that paracentesis is a procedure associated with certain risks and may lead to complications such as infection, bleeding, or organ injury. Therefore, it should be performed by experienced physicians who strictly adhere to sterile technique protocols.
