Related Experiment Video
Updated: Feb 11, 2026

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
Published on: June 27, 2025
Postoperative Doppler Ultrasonography in Liver Transplantation.
Y K Chung1, H J Choi1, G H Na2
1HPB Surgery, Seoul St Mary's Hospital, Catholic University of Korea, Seoul, Korea.
Postoperative Doppler ultrasonography effectively monitors liver transplant recipients, aiding in the early detection of vascular complications. This non-invasive technique proved valuable in managing patients after liver transplantation.
Area of Science:
- Medical Imaging
- Transplant Surgery
- Vascular Ultrasound
Background:
- Doppler ultrasonography is crucial for postoperative liver transplant management.
- This study details initial experiences using Doppler sonography for liver transplant evaluation.
Purpose of the Study:
- To evaluate the utility of postoperative Doppler ultrasonography in liver transplant recipients.
- To assess the role of Doppler ultrasound in detecting vascular complications early.
Main Methods:
- 20 liver transplantations (15 DDLTs, 5 LDLTs) were performed between July 2014 and October 2016.
- Doppler ultrasound was used daily in the ICU to monitor hepatic blood flow.
- Specific anastomotic techniques were employed for deceased and living donor transplants.
Main Results:
- No abnormal waveforms were detected in hepatic arteries, portal veins, or hepatic veins via Doppler ultrasound.
- No vascular complications were observed during hospitalization.
- One graft failure (primary nonfunction) occurred, necessitating retransplantation.
Conclusions:
- Doppler ultrasonography is a reliable tool for evaluating postoperative vascular complications in liver transplant patients.
- Early detection of potential issues is facilitated by regular Doppler ultrasound monitoring.
- The technique helps differentiate patient conditions and aids in timely intervention.
Related Concept Videos
Ultrasonography
During an ultrasonography procedure, a handheld device called...
Doppler Effect - I
Doppler Effect - II
Imaging Studies II: Ultrasonography
Ultrasound I: Abdominal Ultrasonography
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
Peripheral Artery Disease V: Postoperative Nursing Management

