Apparent diffusion coefficient of renal parenchyma and color Doppler ultrasound of intrarenal arteries in patients with cirrhosis related renal dysfunction
| Autor: | Mahmoud A. Dawoud, Mohamed Mohamed Hefeda, Khaled Dewan |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
lcsh:Medical physics. Medical radiology. Nuclear medicine
medicine.medical_specialty Cirrhosis business.industry lcsh:R895-920 Ultrasound Diffusion weighted imaging Color doppler ultrasound medicine.disease body regions Interlobar Hepatorenal syndrome Radiology Nuclear Medicine and imaging Liver cirrhosis medicine Effective diffusion coefficient Radiology Nuclear Medicine and imaging Radiology Color Doppler ultrasound business Intrarenal arteries Diffusion MRI |
| Zdroj: | The Egyptian Journal of Radiology and Nuclear Medicine, Vol 45, Iss 4, Pp 1275-1283 (2014) |
| ISSN: | 0378-603X |
| DOI: | 10.1016/j.ejrnm.2014.04.003 |
| Popis: | Objectives: The aim of this work was to study the renal hemodynamic changes which occur with liver cirrhosis using diffusion weighted magnetic resonance imaging (DW-MRI) and renal color duplex Doppler ultrasound. Patients and methods: Patients were divided into four groups: Group A: 15 cirrhotic patients with compensated liver cirrhosis, Group B: 15 cirrhotic patients with refractory ascites, Group C: 15 cirrhotic patients with hepatorenal syndrome, Group D: 10 healthy persons as a control. The apparent diffusion coefficient (ADCs) of the kidneys was calculated using low b values (ADClow) and high b values (ADChigh). Color Doppler ultrasound was performed in interlobar and arcuate arteries to calculate resistive index (RI) and pulsatility index (PI) in all patients. Results: ADClow showed a statistically significant difference between patients with hepatorenal syndrome and other groups. Using ADChigh no significant difference between different groups was noted. RI and PI of both interlobar and arcuate arteries were significantly higher in all the patient groups than the control group (P |
| Databáze: | OpenAIRE |
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