All participants received physical examination, laboratory examination and upper abdominal ultrasonography. Weight, height, and waist circumstance (WC) were all measured wearing minimal clothing and without socks by the same nurses and machine. BMI was calculated as: BMI = weight (kg)/height (m) 2. Whole blood samples were collected after 10-h overnight fasting and serum samples were separated for immediate analysis. Fasting plasma glucose (FPG), triglycerides (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and γ-glutamyl transferase (GGT) were measured by a biochemical analyzer (Mindray BS-860, Shenzhen Mindray Bio-Medical Electronics Co., Ltd, Shenzhen, China). The abdominal ultrasonography was performed by a LOGIQ-E9 ultrasound system (General Electric Healthcare, Milwaukee, Wisconsin, USA).
Logiq e9 ultrasound system
Manufactured by GE Healthcare
Sourced in United States
The Logiq E9 is an ultrasound system developed by GE Healthcare. It is designed to provide high-quality imaging for various medical applications. The system features advanced imaging technologies to capture detailed images of the body's internal structures.
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8 protocols using logiq e9 ultrasound system
1
Comprehensive Metabolic Profiling and Ultrasonography
2
Hepatic Ultrasound for NAFLD Diagnosis
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All participants underwent a hepatic ultrasonic examination by trained sonographers who were blinded to the clinical and laboratory data. NAFLD diagnosis and classification followed the criteria proposed by the Chinese Liver Disease Association.[25 (link)] The criteria are based on national and international guidelines and consensus, with the setting of alcohol consumption consistent with the Asia-Pacific guidelines for NAFLD, and the remaining parts similar to Western guidelines. Summarily, (1) mild NAFLD refers to slight diffuse increase of bright homogenous echoes in liver parenchyma, with normal visualization of the diaphragm and portal and hepatic vein borders, and normal hepatorenal contrast if echogenic; (2) moderate NAFLD refers to diffused increase of bright echoes in liver parenchyma, with slightly impaired visualization of the peripheral portal and hepatic vein borders; (3) severe NAFLD is characterized with a marked increase in bright echoes, deep attenuation, impaired visualization of the diaphragm, and marked vascular blurring. Liver with any degree of hepatic steatosis was considered NAFLD in our study. The hepatic ultrasound examination was performed using a LOGIQ-E9 ultrasound system (General Electric Healthcare, Milwaukee, WI, USA).
3
Comprehensive NAFLD Evaluation Protocol
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Questionnaires and electronic medical record system were used to collect demographic data and medical history. Trained physicians were responsible for the measurement of height, weight, WC and blood pressure. Blood pressure was measured twice with a 5-min interval by a mercury sphygmomanometer and a stethoscope, then averaged for analysis. Body mass index (BMI) was calculated as weight in kilograms divided by the square of height in meters (kg/m2). Abdominal ultrasonography was operated for imaging diagnosis of NAFLD by technicians using a Logiq E9 ultrasound system (General Electric (GE) Healthcare, Milwaukee, WI, USA). Morever, venous blood samples were collected from all participants after an overnight fast for biochemical assessments of ALT, AST, SUA, fasting plasma glucose (FPG), triacylglycerol (TG) and total cholesterol (TC). All the laboratory parameters were analyzed by an automatic biochemical analyzer (Mindray BC-860; Mindray, Shenzhen, China).
4
Ultrasound Examination and Thyroid Nodule Evaluation
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All included patients underwent an ultrasound examination before surgery. The ultrasound examination was performed using a GE LOGIQ E9 ultrasound system with a 6-15L linear array probe, and the frequency was set to 11–13 MHz. An Esaote system (MYLAB CLASS C) with an 11-L4 linear array probe was also used to detect the thyroid nodules, and the frequency was set to 5–8 MHz. Each patient was placed in the supine position while lying on the examination bed. Then, the neck was fully extended, and the patient was told to breathe calmly. The thyroid gland and its surrounding tissues and lymph nodes were examined. The number of nodules and the size, boundary, internal structure, internal echo, calcification and status of the lymph nodes was observed and recorded. Nodules that were solid, hypoechogenic, irregularly shaped, or taller than wide or contained microcalcification were considered suspicious for malignancy [20 (link), 21 (link)]. According to the American Head and Neck Society and the American Academy of Otolaryngology-Head and Neck Surgery, the cervical lymph nodes were divided into six levels [22 (link)], and the abnormal lymph nodes were recorded by an ultrasound report.
5
Renal Artery Stenosis Evaluation
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Patients were studied in the anterior, lateral decubitus, and prone position to visualize all portions of the renal artery. Renal duplex sonography was performed with Philips iU22G4 ultrasound system (USA) or GE Logiq E9 ultrasound system (USA). RAS was defined as stenosis with a focal renal artery peak systolic velocity exceeding 1.8 m/s in the main renal artery and defined as occlusion when an imaged renal artery lacked a doppler signal.20 , 21 , 22 , 23
6
Renal Artery Stenosis Diagnosis
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Patients were studied in the anterior, lateral decubitus, and prone position to visualize all portions of the renal artery. Renal duplex sonography was performed with Philips iU22G4 ultrasound system (USA) or GE Logiq E9 ultrasound system (USA). RAS was defined by duplex scanning as having a renal aortic ratio of ≥3.5, a peak renal artery systolic velocity of ≥200 cm/s, or a renal artery occlusion. This criterion can discriminate ≥60% atherosclerotic RAS (ARAS) from <60% RAS accurately.[7 (link)]
7
Ultrasound Evaluation After Fasting
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US examinations were performed using Siemens Acuson Sequoia, S2000, and S3000 (Siemens AG); Samsung RS 80A ultrasound system (Samsung Medison); LOGIQ E9 ultrasound system (GE Healthcare); and iU22 or EPIQ (Philips Medical systems). The patients underwent US examination after fasting for at least 6 h. Conventional B-mode sonography using a convex probe was performed.
8
Carotid Ultrasound Measurement Protocol
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A high-resolution B-mode carotid ultrasound was performed with a linear 10-MHz transductor and a Logiq E9 ultrasound system (GE Healthcare, Milwaukee, WI, USA) by a certified radiologist. The subject was placed in a supine position according to the American Society of Echocardiography guidelines. CP was defined as a focal narrowing ≥ 0.5 mm of the surrounding lumen or a carotid intima-media thickness ≥ 1.2 mm [12] .
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