High‐frequency micro‐ultrasound for vascular access in young children – a feasibility study by the High‐frequency UltraSound in Kids studY (<scp>HUSKY</scp>) group

Latham, Gregory J.; Veneracion, Melissa L.; Joffe, Denise; Bösenberg, Adrian; Flack, Sean H.; Low, Daniel

doi:10.1111/pan.12131

Cited by 28 publications

(26 citation statements)

References 10 publications

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“…Most of these publications report the use of conventional equipments with transducer frequency range between 3.5 and 10 MHz. Latham et al (20) have recently described the use of high-frequency (15-50 MHz) micro-ultrasound for small arteries and veins in the cannulation of young children, although this type of equipment is not usually used in clinical practice. In our study, we used clinical ultrasound equipment with specific software for vascular access and 18 MHz probe, which offers excellent resolution of superficial tissues.…”

Section: Discussionmentioning

confidence: 99%

Venous International Assessment, VIA Scale, Validated Classification Procedure for the Peripheral Venous System

et al. 2013

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The VIA scale is a simple, easy and practical method for classification of the peripheral venous system in terms of vascular access. The practical application of our VIA scale significantly increases the quality of life of patients by increasing the chances of successful venipuncture and cannulation and thus reducing the risk of extravasation and material costs, allowing both an economical and a safe venous assessment tool.

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Section: Discussionmentioning

confidence: 99%

Venous International Assessment, VIA Scale, Validated Classification Procedure for the Peripheral Venous System

et al. 2013

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“…This increase in resolution at shallow depths may prove particularly useful for intravascular cannulation in paediatrics. 9 Tablets and smartphones Tablets and smartphones can be used in paediatric anaesthesia for distraction techniques during intravenous cannulation, as part of a non-pharmacological anxiety reduction strategy, for apps used to provide drug dosage calculations or algorithms, or for educational resources. Additionally they can be used as device-mounted or wifi-enabled screens for videolaryngoscopy (see section on AirtaqÔ).…”

Section: Vascular Accessmentioning

confidence: 99%

Equipment and monitoring for paediatric anaesthesia

Leslie¹,

Froom²,

Gildersleve³

2015

Anaesthesia & Intensive Care Medicine

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There have been considerable developments in the equipment and monitoring available for paediatric anaesthesia over the past 3 years. Advances in airway management have come about primarily through the increased use of videolaryngoscopes. Numerous second-generation supraglottic airway devices are also now available with features aimed at improving both their safety profile and utility during difficult airway management. Concerns surrounding the endocrine effects of phthalates have led to the introduction of phthalate-free airway devices. The role of ultrasound continues to expand, with good evidence for its use where vascular access is challenging, while evidence in favour of alternative vascular access aids remains sparse. Smartphones and tablets have become an almost ubiquitous part of the paediatric anaesthetist's armoury, functioning as distraction devices for children and providing a wealth of useful information through applications. A number of cardiac output monitors are now available for use in paediatric anaesthesia and, with the advent of enhanced recovery programmes after surgery, it is likely that their use will increase in the future. This review will discuss a number of these devices and provide insight into the rationale for their use, focusing on those for which the best evidence is available.

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“…The VevoMD system improves on traditional ultrasound transducers which typically have central frequencies of below 10 MHz, conferring spatial resolutions ranging from 10 -300 µm and focal depths of 17 mm, 9 mm and 5 mm respectively. Three ultrasound probes capable of imaging up to 1000 frames per The utility of µUS has been shown in a several studies encompassing arteriovenous fistula monitoring [70], pediatric vascular development [71], hand transplantation [72], and intima and medial thickening as predictive of a number of clinical conditions. [73 -77] In the context of spine, where the bone is generally removed via laminectomy and the probe can be placed directly into the surgical exposure, utilization of these µUS probes will allow significant improvement in imaging resolution, facilitating visualization of structures below 100 µm.…”

Section: Intraoperative High Frequency Micro-ultrasound µUsmentioning

confidence: 99%

Feasibility Of Radiation Dose Planning Guided Surgical Resection In Spinal Tumours

Jakubovic¹

2021

Preprint

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The objective of high dose stereotactic radiotherapy regardless of application is to treat the malignancy while minimizing the radiation dose to the surrounding healthy tissue. In the context of spinal tumours this paradigm is difficult since the rigid dose tolerance of the spinal cord precludes optimal dose coverage of the epidural disease. To achieve adequate coverage spine separation surgery is performed, increasing the distance from the spinal cord to the malignancy and facilitating adequate radiation treatment planning. This approach has been validated with delivery of maximum tolerable dose and local control rates over 90%. The objective of this dissertation is to establish the feasibility of intraoperative, dose guided, spine separation surgery. In the current clinical context, spine separation surgery is performed prior to radiation treatment planning and contours are placed based on postoperative resected tumour volumes. The extent of surgical resection is not dictated by the dosimetric constraints of the spinal cord and relies solely on the clinical expertise of the operating neurosurgeon. Further, though a skilled surgeon can perform precise tumour debulking with or without the aid of millimetre resolution neuronavigation devices, determination of surgical debulking progress with accuracy comparable to treatment delivery cannot be recognized without intraoperative imaging. To achieve this goal, we introduced pre-surgical dosimetric planning with tracked high frequency micro-ultrasound imaging into the operating theatre to inform the surgeon of the surgical progress while considering the dosimetric objectives. In this dissertation, we assessed the dosimetric advantage of spine separation surgery on a millimetre by millimetre basis in a retrospective simulation study. Feasibility of intraoperative navigation with submillimetre resolution was established by quantifying the application accuracy of surgical navigation in the context of cranial and spinal surgery. Accuracy quantification was performed, assessing our revolutionary optical topographical imaging system and benchmarked versus existing commercially available neuronavigation systems. Finally, to establish feasibility of radiation dose planning guided surgical resection we integrated a high frequency micro-ultrasound system into the operating theater during spine separation surgery. Thus, by implementing sub-millimetre high frequency micro-ultrasound imaging and neuronavigation, incremental gains towards establishing the feasibility of in traoperative dose planning by iteratively updating the extent of tumour resection were recognized.

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High‐frequency micro‐ultrasound for vascular access in young children – a feasibility study by the High‐frequency UltraSound in Kids studY (HUSKY) group

Abstract: The experience gained in this feasibility study suggests that HFMU could be a valuable addition to our armamentarium for difficult vascular access in the future.

Cited by 28 publications

References 10 publications

Venous International Assessment, VIA Scale, Validated Classification Procedure for the Peripheral Venous System

Venous International Assessment, VIA Scale, Validated Classification Procedure for the Peripheral Venous System

Equipment and monitoring for paediatric anaesthesia

Feasibility Of Radiation Dose Planning Guided Surgical Resection In Spinal Tumours

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