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Spleen Stiffness Measurement With FibroScan

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Echosens

关键词

抽象

FibroScan® (Echosens, Paris, France) is an active non implantable medical device marketed in Europe since December 2003 and is currently used in many countries. FibroScan® is an ultrasound-based vibration-controlled transient elastography (VCTE™) device dedicated to liver stiffness measurement (LSM).
Several clinical studies have shown the accuracy of LSM by FibroScan® to predict liver fibrosis.
Some other studies have already shown the good correlation between LSM, assessed by FibroScan® based on VCTE™ technology, and the presence of portal hypertension (PHT).
PHT is a clinical condition characterized by a high blood pressure in the portal vein and its tributaries and it is defined as a gradient between portal and systemic blood pressure > 6 mmHg.
The development of oesophageal varices (OV) in cirrhotic patients, as well as their potential bleeding, represent one of the most severe and life-threatening complication of cirrhosis.
Upper endoscopy is the best diagnostic tool for detecting the presence of OV, gastric varices or congestive gastropathy, for estimating the grade of OV and for the recognition of the presence of red color signs and wale marks or other indicators of high risk for bleeding.
However these two methods are quite invasive and associated with some risks; at the same time, not all cirrhotic patients present OV at endoscopic screening.
The aim of this study is the validation of SSM, assessed by a FibroScan® with acquisition parameters and algorithm optimized for SSM, as surrogate noninvasive marker for the presence of OV in liver cirrhosis patients.

日期

最后验证: 09/30/2018
首次提交: 06/30/2014
提交的预估入学人数: 06/30/2014
首次发布: 07/01/2014
上次提交的更新: 10/08/2018
最近更新发布: 10/09/2018
实际学习开始日期: 02/29/2012
预计主要完成日期: 12/31/2016
预计完成日期: 05/31/2017

状况或疾病

Cirrhosis

干预/治疗

Device: Fibroscan®

-

手臂组

干预/治疗
Other: Fibroscan®
Fibroscan® is an active non implantable medical device using ultrasound. It has been designed to measure liver stiffness in a painless, rapid and non invasive manner. It is a diagnostic aid tool. In this study, Spleen Stiffness Measurement will be assessed using a dedicated FibroScan® device which has been developed specifically to assess spleen stiffness.
Device: Fibroscan®
Each patient undergo 1 LSM and at least 1 SSM (2 in more if the patient accept to participate at the ancillary study (intra and inter operator reproducibility of SSM).

资格标准

有资格学习的年龄 18 Years 至 18 Years
有资格学习的性别All
接受健康志愿者
标准

Inclusion Criteria:

- All groups

- Both gender, 18-79 years old

- Patient able to give written informed consent form

- Patient affiliated to a social security system.

- Case group

- Patient with chronic liver disease due to: hepatitis C virus, hepatitis B virus or Alcoholic Liver Disease and liver stiffness ≥ 14 kPa

- Patient with the following examination within 3 months of LSM and SSM: ultrasound examination, blood examination, gastroscopy examination and eventually an hepatic venous pressure gradient examination

- Control groups

- Patient with chronic liver disease due to: HCV, HBV or Alcoholic Liver Disease and liver stiffness < 14 kPa

- Patients without chronic liver disease (Healthy Control subgroup)

Exclusion Criteria:

- Patient unable or unwilling to provide written informed consent.

- Consuming illness (HIV infection, malignancy).

- Associated comorbidities: NASH, hemochromatosis, primary sclerosing cholangitis, primary biliary cirrhosis.

- Antiviral treatment during the two months before inclusion.

- Pacemaker or heart defibrillator.

- Pregnancy.

- Liver transplantation.

- BMI>35 kg/m2.

- Serum Transaminases > 250 IU/L.

- History of / or current βblockers treatment of OV.

- Presence of ascites.

- Previous endoscopic treatment of OV.

- Patient with acute alcoholic hepatitis and associated jaundice (generally defined by total bilirubin ≥ 50 µmol/l).

- Patient with hepatocellular carcinoma (HCC).

- Unable or unwilling to undergo a liver stiffness measurement, a spleen stiffness measurement, an ultrasound examination, a blood examination or a gastroscopy examination.

结果

主要结果指标

1. Selection of patient with cirrhosis using LSM ≥ 14 kPa (kilopascal) [Up to 36 month]

次要成果指标

1. Diagnosis of large OV with an sensitivity of 95% and an acceptable lower bound of 85% [Up to 36 month]

其他成果措施

1. Prevalence of patients with large OV in cirrhotic patients: 30% [Up to 36 month]

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