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Hd7xe

Manufactured by Philips
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The HD7XE is a laboratory equipment product from Philips. It is designed for general laboratory use. The core function of the HD7XE is to provide a reliable and efficient solution for laboratory tasks, but a detailed description while maintaining an unbiased and factual approach is not available.

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Lab products found in correlation

L12 3, by Philips (1 mentions) Somatom definition flash scanner, by Siemens (1 mentions) Syngo via, by Siemens (1 mentions) Epiq 7, by Philips (1 mentions)

11 protocols using hd7xe

1

Carotid Intima-Media Thickness Measurement

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cIMT was measured using Philips Ultrasound (model HD7XE) with a 7 MHz linear transducer. The measurement was done at three segments of both the left and the right sides: a segment of 1 cm at the common carotid artery (CCA) 1 cm proximal to the flow divider, a segment of 1 cm at carotid bulb (CB) proximal to the flow divider and a segment of 1 cm at internal carotid artery (ICA) proximal to the flow divider. cIMT is defined as the mean distance between two parallel thick echoes of the double-line pattern of the far artery wall. The average of left and right CCA, CB and ICA values (in mm) for each subject was used for analysis. All measurements were performed by two qualified ultrasonographers in Tam Duc Heart hospital. The ultrasonographers were blinded to the clinical information. All images were stored as DICOM format and analysed using Philips’ QLAB 11.0 software.
In addition, atherosclerotic carotid plaques were determined at six different locations: CCA, CB and ICA on both the left and right sides. Plaque was defined as a focal thickening that encroaches into the lumen by 0.5 mm or by 50% of the surrounding IMT or where IMT is >1.5 mm. In this study, we subjectively define plaques as present or absent for analysis.
Nguyen L.T., Pham V.N., Chau P.M., Ho-Pham L.T, & Nguyen T.V. (2019). Association between carotid intima-media thickness and bone mineral density: a cross-sectional study in Vietnamese men and women aged 50 years and older. BMJ Open, 9(9), e028603.
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2

Standardized Liver Ultrasound Assessment

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Ultrasonography using Philips HD7 XE was conducted in the morning hours in fasting participants by an experienced technician who was unaware of patient allocation in the study groups and previous results of liver size measurements in each patient. The following parameters were taken into consideration and recorded: liver size at Mid-Clavicular and Mid-Sternal lines, parenchymal brightness, liver-to-kidney contrast, deep beam attenuation, brightness of vessel walls, and state of gallbladder wall. All records were saved in numerical files without patient names. Matching and decoding records were performed by the independent statistician and principal investigator.
Petyaev I.M., Dovgalevsky P.Y., Chalyk N.E., Klochkov V.A., Kyle N.H, & Bashmakov Y.K. (2018). Reduction of Liver Span and Parameters of Inflammation in Nonalcoholic Fatty Liver Disease Patients Treated with Lycosome Formulation of Phosphatidylcholine: A Preliminary Report. International Journal of Chronic Diseases, 2018, 4549614.
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3

Brachial Artery Flow-Mediated Dilation Measurement

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To determine the flow-mediated dilatation (FMD), longitudinal images are obtained with the use of high-resolution ultrasonography (HD7XE, Phillips, USA). To do so, a high frequency transducer (3-12 MHz) records the dilatation of the brachial artery for 120 s immediately after the release from a 5-min total occlusion maneuver. The subjects are asked to fast for at least 6 h prior to the procedures. Brachial Analyzer Software (Vascular Tools, Medical Imaging Application, USA) is used to quantify changes in arterial diameter from baseline to post-cuff occlusion. Flow-mediated dilation will be calculated as the percentage change in arterial dimeter fromaverages of 10 baseline diastolic diameters and 3 maximum, systolic diameters post-cuffocclusion. In addition to the pre-and post-trial measurements, a mid-term FMD assessment is conducted during the 6th week of intervention.
Umpierre D., Santos L.P., Botton C.E., Wilhelm E.N., Helal L., Schaun G.Z., Ferreira G.D., De Nardi A.T., Pfeifer L.O., da Silveira A.D., Polanczyk C.A., Mendes G.F., Tanaka H., Alves L., Galliano L., Pescatello L.S., Brizio M.L., Bock P.M., Campelo P., Moraes R.S., Domingues M.R., Schaan B.D., Alberton C.L, & Pinto S.S. (2019). The “Hypertension Approaches in the Elderly: a Lifestyle study” multicenter, randomized trial (HAEL Study): rationale and methodological protocol. BMC Public Health, 19, 657.
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4

Quantifying Quadriceps Muscle Thickness with Ultrasound

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The thicknesses of the quadriceps rectus femoris (QRF) and vastus intermedius (QVI) were evaluated using B-mode ultrasound (Philips HD7xe) with a high-frequency linear array transducer (7.5 MHz). All cases were examined regarding the right QRF and QVI muscle thicknesses. The patient was lying supine with extended, relaxed knees, and toes directed upward. Maximum thickness of each QVI and QRF muscle was assessed from the femur to the muscle’s inner edge and from the subcutaneous layer to the QRF muscle’s inner border, respectively. Additionally, we kept a standard level where the muscle thickness was measured, at the level of two particular landmarks, the midpoint, and the border between the upper two-thirds and the lower third between the upper pole of the patella and the superior anterior iliac spine [22 (link)]. For each individual muscle, multiple measurements were taken, and a mean was calculated and used for further analysis. Special precautions were taken in all cases, including placing the transducer perpendicular to the long axis of the thigh in a fixed orientation and using enough contact gel to guard the muscle from excessive pressure and compression.
Gehad M.H., Yousif Y.M., Metwally M.I., AbdAllah A.M., Elhawy L.L., El-Shal A.S, & Abdellatif G.M. (2022). Utility of muscle ultrasound in nutritional assessment of children with nephrotic syndrome. Pediatric Nephrology (Berlin, Germany), 38(6), 1821-1829.
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5

Brachial Artery Flow-Mediated Dilatation Assessment

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This analysis will be performed by a high-resolution ultrasound of the brachial artery (vascular Doppler), which characterizes the flow-mediated dilatation (FMD). FMD is expressed by changes in basal diameter in response to the increased flow and to nitroglycerin, which will be administered in a single dose (0.4 mg, sublingual spray). The equipment used will be an HD7XE (Philips, Bothell, WA, USA) with an HF transducer (3 to 12 MHz; L12-3; Philips) [25 (link)].
Fofonka A., Ribeiro J.P., Casali K.R, & Schaan B.D. (2014). Effects of vildagliptin compared with glibenclamide on glucose variability after a submaximal exercise test in patients with type 2 diabetes: study protocol for a randomized controlled trial, DIABEX VILDA. Trials, 15, 424.
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6

Penicillin and Aspirin in Vessel Imaging

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Penicillin 800,000 IU was administered intramuscularly daily for 3 days after the procedure. The animals were fed the high-lipid diet, provided with water ad libitum, and given oral acetylsalicylic acid 12.5 mg once daily during follow-up. One month after the procedure, with the animals under general anesthesia, computed tomography angiography (CTA) was performed using 2.5 mL/kg nonionic iodine medium (Omnipaque, Yangzi Pharmacy Ltd., Taizhou, China) via power injection through an ear edge vein; a dual-source CT SOMATOM Definition Flash scanner (Siemens AG, Forchheim, Germany) was used for all scans (140 KV and 80 KV; automatically controlled mAs; 10-s delay). CTA data were analyzed using vascular analysis software (Syngo.via, Siemens AG). After CTA was completed, a color Doppler duplex ultrasound examination (Philips HD7 XE, Amsterdam, the Netherlands) was performed to investigate target vessel preparation with the affected limb shaved. CTA and duplex ultrasound examinations were repeated 2 months thereafter before the animals were euthanized. The patency of the target vessel, minimum luminal diameter, and velocity of blood were recorded during these examinations.
Huang Y.H., Xu Q., Shen T., Li J.K., Sheng J.Y, & Shi H.J. (2019). Prevention of in-stent restenosis with endothelial progenitor cell (EPC) capture stent placement combined with regional EPC transplantation: An atherosclerotic rabbit model. Cardiology Journal, 26(3), 283-291.
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7

Carotid Intima-Media Thickness Measurement

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The intima media thickness were measured with Philips Ultrasound machine – model HD7XE with a 7 MHz linear transducer. These measurements were made at the common carotid artery, carotid bulb, and the proximal internal carotid artery of both side. All images were stored as DICOM format for analysis. Intima-media thickness values of more than 0.9 mm (European Society of Cardiology) or over the 75% (American Society of Echocardiography) were considered abnormal.
Ho-Pham L.T, & Nguyen T.V. (2017). The Vietnam Osteoporosis Study: Rationale and design. Osteoporosis and Sarcopenia, 3(2), 90-97.
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8

Acute Scrotal Pain Ultrasonography

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We did a prospective study on 50 patients who were referred to our Department of Radiodiagnosis, Maharaja Yashwantha Rao Hospital and MGM Medical College, Indore between January 2013 and January 2014 presenting with acute scrotal pain. Patients with history of trauma and scrotal mass were excluded from the study. These patients were subjected to high frequency ultrasonography and color Doppler using standard machine (Philips HD7 XE) equipped with high resolution and color Doppler linear probe (7.5–12 MHz). Serial transverse and sagittal images of each scrotum are obtained and both testis are compared for echotexture and color flow. The study included both the scrotum and inguinal area. The clinical presentation, outcome, and US results were analyzed.
Agrawal A.M., Tripathi P.S., Shankhwar A, & Naveen C. (2014). Role of Ultrasound with Color Doppler in Acute Scrotum Management. Journal of Family Medicine and Primary Care, 3(4), 409-412.
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9

Neonatal DDH Screening via Ultrasound

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The institutional review board approved the study (IRB No. DSMC 2019-10-003). The study’s dataset consisted of 1243 hip US images from 168 infants, using a 12.5 MHz linear probe with HD15 and HD7 XE ultrasound systems (Philips, Bothell, WA, USA) during a DDH neonatal screening and diagnosis program between 2002 and 2019, retrospectively. Of the total 1243 images, 289 images were randomly selected for AI training, 33 for validation, and the remaining 921 for testing.
Lee S.W., Ye H.U., Lee K.J., Jang W.Y., Lee J.H., Hwang S.M, & Heo Y.R. (2021). Accuracy of New Deep Learning Model-Based Segmentation and Key-Point Multi-Detection Method for Ultrasonographic Developmental Dysplasia of the Hip (DDH) Screening. Diagnostics, 11(7), 1174.
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10

Carotid Artery Ultrasonography for Plaque Detection

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Carotid artery ultrasonography was performed using a B-mode ultrasound system (EPIQ7 or HD7XE, Philips, Amsterdam, Netherlands) with a linear array transducer (7.5–12 MHz). The examination included bilateral longitudinal and transverse scans of the distal segments of the common carotid artery, the bifurcation segments of the common carotid artery, and the proximal segments of the internal and external carotid arteries. We measured the intima-media thickness (IMT) and plaque formation in the wall of the eight segments of vessels mentioned above. The presence of plaque was defined as one of the following: IMT ≥ 1.5 mm, a focal structure (≥0.5 mm) protruding into the arterial lumen, or the surrounding IMT ≥ 50% (Collaborators, 2017 (link); Dong et al., 2019 (link)).
Carotid plaque was defined as the development of at least one plaque in the eight previously plaque-free arterial segments during reexamination in 2018. To test for inter-observer reliability, plaque measurements in 25 patients were repeated after 1 week by two independent technicians and the results showed high reliability (intraclass correlation coefficients were 0.94).
Liu J., Ma X., Ren X.L., Xiao H., Yan L., Li Z, & Wang S. (2021). The Role of Blood Pressure in Carotid Plaque Incidence: Interactions With Body Mass Index, Age, and Sex-Based on a 7-Years Cohort Study. Frontiers in Physiology, 12, 690094.
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