alexa Duplex Doppler ultrasound of the hepatic artery in patients with acute alcoholic hepatitis.
Nutrition

Nutrition

Journal of Nutrition & Food Sciences

Author(s): Han SH, Rice S, Cohen SM, Reynolds TB, Fong TL

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Abstract BACKGROUND: Acute alcoholic hepatitis (AAH) is a clinical diagnosis associated with increased hepatic artery diameter and flow. Duplex Doppler ultrasound (DDU) has been shown to accurately measure arterial flow in both liver and kidney transplant patients. The authors conducted a blinded, controlled study to evaluate the accuracy of measuring hepatic artery parameters with DDU in diagnosing AAH. STUDY: Duplex Doppler ultrasound was performed by an investigator, blinded to group makeup, on 22 consecutive hospital inpatients with the clinical diagnosis of AAH. The diagnosis of AAH was based on specific criteria, including the following: recent alcohol abuse, hyperbilirubinemia, prolonged prothrombin time, leukocytosis, hepatomegaly, hepatic bruit, and marked redistribution of isotope on 99mTc-sulfur colloid liver-spleen scan. Controls were 12 cirrhotic patients without AAH and 17 healthy volunteers. Duplex Doppler ultrasound measurements were obtained most consistently from the proximal right hepatic artery. Measured parameters included the following: peak systolic velocity (PSV); resistive index = (PSV - end diastolic velocity [EDV])/PSV; pulsatility index = (PSV - EDV)/mean velocity; and hepatic artery diameter. RESULTS: The mean hepatic artery diameter was significantly larger in patients with AAH (3.55 +/- 0.72 mm) than in patients with cirrhosis (2.75 +/- 0.69 mm; p = 0.003) and healthy controls (2.68 +/- 0.69 mm; p = 0.001). The mean PSV was significantly higher in patients with AAH (187 +/- 52 cm/s) compared with cirrhotic (67 +/- 51 cm/s) and healthy (66 +/- 51 cm/s) controls (p = 0.0001). The mean resistive index was lower in AAH patients (0.60 +/- 0.11) compared with cirrhotic (0.69 +/- 0.10; p value was not significant) and healthy controls (0.72 +/- 0.11; p = 0.004). The mean pulsatility index was lower in AAH patients (1.04 +/- 0.47) compared with cirrhotic (1.36 +/- 0.45; p value was not significant) and healthy controls (1.53 +/- 0.45; p = 0.01). CONCLUSIONS: In the appropriate clinical setting, an elevated hepatic artery diameter or PSV measurement is suggestive of AAH. Duplex Doppler ultrasound offers a noninvasive test to assist in the diagnosis of AAH.
This article was published in J Clin Gastroenterol and referenced in Journal of Nutrition & Food Sciences

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