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Sonography - Crossref

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Last Updated: 12 May 2022

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Acoustic comfort in pediatric noninvasive exam: A study of bedside renal sonography for children

Pediatric renal sonography is a non-radiation exposure and non-invasive test used to analyze kidneys and urinary tract organs. Two time points are set to measure acoustic integrated effect, as well as determining phase or real time of sonography. This report will establish concrete acoustic components and a suitable intervention timeframe for children of varying age groups. We hope children will have positive experiences during their sonography exam by having acoustic comfort. As a result, the consistency of medical examination and children's wellbeing can be improved.

Source link: https://doi.org/10.1121/10.0010691


The surgical resection of dysplastic cerebellar gangliocytoma assisted by intraoperative sonography: illustrative case

Patients can be seen with signs of cerebellar mass lesion and elevated intracranial pressure. Adult Lhermitte-Duclos disease is a characteristic of Cowden syndrome and is usually characterized by PTEN gene mutations. OBSERVATIONS The clinical care of a 31-year-old woman who suffered Lhermitte-Duclos disease was discussed in this case study. After the lesion resection, the patient had no signs of cardiovascular disease or sequelae. LESSONS THE authors first reported the use of intraoperative sonography in the resection of adult-onset Lhermitte-Duclos disease. Hopefully, the educational case study will give you a real insight into the diagnosis and treatment of Lhermitte-Duclos disease.

Source link: https://doi.org/10.3171/case21451


Clinical relevance of musical murmurs in color-coded duplex sonography of peripheral and visceral vessels

Background: Musical murmurs are Doppler phenomena that sound like high-frequency musical sounds. Patients and methods: Four experienced vascular ultrasound laboratories had been asked to report their cases with documented musical tones in color coded duplex sonography within a two-year observation period. MMs were found in 18 patients with an incidence of 0. 05 percent and were observed in high-grade stenosis in hemodialysis access after renal transplantation, renal transplant artery and vein stenoses, stenoses in peripheral and intestinal arterial disease, and in peripheral veins.

Source link: https://doi.org/10.1024/0301-1526/a000119


Patterns of extracranial involvement in newly diagnosed giant cell arteritis assessed by physical examination, colour coded duplex sonography and FDG-PET

Background: The clinical spectrum of giant cell arteritis varies from classical temporal arteritis to generalized large vessel GCA and fever of unknown origins. In 2 patients with TA, all patients with LV-GCA and no patient with FUO were present, clinically evident arterial obstruction was present. In 45 % of the patients with TA and in 99% of those with LV-GCA or FUO, vaping in the upper and/or lower limb large vessel vasculitis was detectable by DS in 45 percent of the patients with TA and in 100 percent of the patients with LV-GCA or FUO. In all affected patients, FDG-PET confirmed upper extremity involvement in all affected patients, but had no reason for lower limb involvement in these elderly patients due to concomitant arteriosclerosis. In 27 % of patients with TA and 75 % of patients with LV-GCA or FUO, FDG-PET was detectable by FDG-PET in 27 percent of patients with TA and 75% of patients with FUO.

Source link: https://doi.org/10.1024/0301-1526/a000096


Evaluation of the safety and effectiveness of tubal inflammatory drugs in patients with incomplete tubal obstruction after four-dimensional hysterosalpingo-contrast-sonography examination

Abstract Background: After a four-dimensional hysterosalpingo-contrast-sonography examination, the aim is to investigate the safety and effectiveness of tubal inflammatory drugs in patients with incomplete tubular obstruction of at least one side. Methods Two hundred fifteen cases of tubal incomplete obstruction were diagnosed by ultrasonography from February 2019 to November 2020, according to retrospective review; the experimental group was split into experimental and control groups; the intervention group received salpingitis products; the control group had control, and the control group had blank control.

Source link: https://doi.org/10.1186/s12884-022-04722-y


Blood volume flow in the superficial temporal artery assessed by duplex sonography: predicting extracranial-intracranial bypass patency in moyamoya disease

OBJECTIVE SUMMATORIAL artery bypass surgery is a common treatment for symptomatic moyamoya disease. METHODS The authors analyzed 50 STA-MCA bypasses in 39 patients. The bypass has been divided into four categories as follows: the bypass provides more than two-thirds; between one-third and two-thirds; or less than one-third of the MCA territory; or there is bypass occlusion. By duplex sonography, the authors determined the mean blood flow rate, the blood volume exchange, and the pulsatility index in the external carotid artery and STA. RESULTS CAPITAL bypass capacity was found in 35 cases, although poor bypass capacity was recorded in the remaining 15 cases. In the former case, 60 28 ml/min in the former and 12 4 ml/min in the second group were BVF-dependent, while in the former group, 60 28 ml/min. According to 1. 1 versus 0. 5, mean BFV and PI were 57 21 cm/sec versus 22 8 cm/sec and 0. 8 0. 6 percent, respectively. Differences in the external carotid artery were less apparent, with BVF 217 71 ml/min versus 151 41 ml/min, versus 41 ml/min; mean BFV 47 17 cm/sec versus 40 0. 4 versus 1. 9 0. 4 versus 1. 9 0. 4; versus 41 ml/min versus 4 ml/sec versus 41 versus 4 versus BVFV artery artery; In 14 cases, retrograde blood flow in the MCA was discovered, and all of them had a good bypass function. CONCLUSIONS DUplex sonography is a useful diagnostic device for determining STA-MCA bypass function in moyamoya disease.

Source link: https://doi.org/10.3171/2020.9.jns202709


Transcranial Doppler sonography within 12 hours after subarachnoid hemorrhages

During the first 12 hours after subarachnoid hemorrhage, twenty-one patients were subjected to repeated testing of cerebral blood flow velocities by means of transcranial Doppler sonography. The findings of this research support the restoration of normal pace in elderly patients, but do not indicate that an acute phase of vaping does exist either immediately after or in the first 12 hours after SAH.

Source link: https://doi.org/10.3171/jns.1989.70.5.0732


Correlation of transcranial Doppler sonography findings with timing of aneurysm surgery

Thirty-six patients with a suspected first subarachnoid hemorrhage from a ruptured supratentorial aneurysm were subjected to repeated transcranial Doppler sonography tests. Patients who were hospitalized within 48 hours were markedly lower in postoperative flow velocities. Both patients, who had surgery on Day 4 post-SAH and who had the highest recorded postoperative flow velocities, died from cerebral vasospasm and infarction. The results point to a referral scheme that can be used early surgical intervention not only to prevent rebleeds but also reduce delayed ischemic dysfunction.

Source link: https://doi.org/10.3171/jns.1990.73.1.0072


Use of transcranial Doppler sonography to predict development of a delayed ischemic deficit after subarachnoid hemorrhage

Using transcranial Doppler sonography in 121 patients with acute aneurysmal subarachnoid hemorrhage in 121 randomly selected consecutive patients with acute aneurysmal subarachnoid hemorrhage. In the 47 patients with delayed ischemic neurological deficit, the highest recorded speed was higher than in the 74 patients who did not suffer a neurological deficit. Peak velocity recordings can also aid in the diagnosis of delayed ischemic neuropathy in delayed ischemic neurological deficit; however, peak velocity data can only be obtained after the onset of neurological deficit. Patients who are most likely to experience a delayed ischemic neurological deficit after SAH are those who are more likely to experience a delayed ischemic neurological deficit after SAH.

Source link: https://doi.org/10.3171/jns.1993.78.2.0183

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions