The role of duplex ultrasound in the hepatic transplant patient after surgery is to assess vascular compromise, limited biliary complications, and fluid collections. Debate surrounds sonography's strengths and limitations in detecting the most serious and common complication, hepatic artery thrombosis, which is key in this discussion. Sonographers should be familiar with the limitations and the exciting, new technology developing in hepatic transplant imaging to ensure quality patient care.
1. Morton NJ, James EM, Wiesner RH: Applications of duplex ultrasonography in the liver transplant patient. Mayo Clin Proc1990;65:360-372.
2.
2. Lewis WD, Jenkins RL: Biliary strictures after liver transplantation. Surg Clin North Am1994;74:967-977.
3.
3. Dravid VS, Shapiro NJ, Needleman L, et al: Arterial abnormalities following orthotopic liver transplantation: Arteriographic findings and correlation with Doppler sonographic findings. AJR Amj Roentgenol1994;163:585-589.
4.
4. Dodd GD III, Memel DS, Zajko AB, et al: Hepatic artery stenosis and thrombosis in transplant recipients: Doppler diagnosis with resistive index and systolic acceleration time. Radiology1994;192:657-661.
5.
5. Flint EW, Sumkin JH, Zajko AB, et al: Duplex sonography of hepatic artery thrombosis after liver transplantation. AJR Am J Roentgenol1988; 151:481-483.
6.
6. Hall TR, Diarmid SV, Grant EG, et al: False-negative duplex Doppler studies in children with hepatic artery thrombosis after liver transplantation. AJR Am J Roentgenol1990; 154: 573-575.
7.
7. Moresco KP, Shapiro RS, Halton KP, et al: Doppler sonography in the posttransplant patient: Use of nifedipine to detect hepatic arterial flow. AJR Amj Roentgenol1994; 163:863-864.
8.
8. Rubin JM, Bude RO, Carson PL, et al: Power Doppler US: A potentially useful alternative to mean frequency-based color Doppler US. Radiology1994;190:853-856.
9.
9. Bude RO, Rubin JM, Adler RS: Power versus conventional color Doppler sonography: Comparison in the depiction of normal intrarenal vasculature. Radiology1994; 192:777-780.
10.
10. Zurbrugg HR, Bachmann PDS, Liebold A, et al: Continuous blood flow measurements after liver transplantation: First clinical experience. Transplant Proc1994;26:2218-2226.
