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Bladder Ultrasound

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1. Discrepancies in measuring bladder volumes with bedside ultrasound and bladder scanning in the intensive care unit: A pilot study (PubMed)

Discrepancies in measuring bladder volumes with bedside ultrasound and bladder scanning in the intensive care unit: A pilot study Intensive care unit patients are at risk for catheter-associated urinary tract infection. Earlier removal of catheters may be possible with accurate measurement of bladder volume. The purpose was to compare measured bladder volumes with bedside ultrasound, bladder scanner, and urine volume.Prospective correlational descriptive study.Surgical/trauma intensive care (...) unit and medical intensive care unit.Renal dialysis patients with less than 100 ml of urine in 24 h prior to urinary catheter removal and patients with suspected catheter obstruction.A physician trained in ultrasound and an advanced practice registered nurse trained in bladder scanning measured bladder volume; each blinded to the other's measurement. Device used first (ultrasound or bladder scanner) alternated daily. The intensive care unit team determined need for intermittent catheterization

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2017 Journal of the Intensive Care Society

2. Obturator Nerve Block in Transurethral Resection of Bladder Tumor: A Comparison of Ultrasound-guided Technique versus Ultrasound with Nerve Stimulation Technique. (PubMed)

Obturator Nerve Block in Transurethral Resection of Bladder Tumor: A Comparison of Ultrasound-guided Technique versus Ultrasound with Nerve Stimulation Technique. Obturator nerve (ON) stimulation during transurethral resection of lateral and posterolateral bladder wall tumor under spinal anesthesia may lead to obturator reflex, adductor contraction, and leg jerking with complications such as bleeding, bladder perforation, or incomplete tumor resection. Our study was carried out to obtain (...) successful block of ON using ultrasound (US)-guided technique with or without nerve stimulation in patients undergoing transurethral resection of bladder tumor (TURBT) under spinal anesthesia.The aim of the study was to compare the effectiveness of two different techniques in blocking ON and adductor spasm during TURBT.Prospective, randomized, double-blind study.Sixty patients with American Society of Anesthesiologists Status II and III scheduled to undergo TURBT for lateral and posterolateral bladder

2019 Anesthesia, essays and researches Controlled trial quality: uncertain

3. Ultrasound-guided high-intensity transcutaneous focused ultrasound for symptomatic uterine fibroids

is done with the patient lying face down, with the abdominal wall immersed in degassed water. Intravenous sedation may be used to help minimise body movement. A urinary catheter is inserted to keep the bladder empty during the procedure. Continuous sonographic imaging is used to identify the fibroid(s) with a real-time diagnostic ultrasound scanner integrated into the centre of a therapeutic ultrasound transducer. After the target fibroid has been confirmed, it is ablated by high-intensity ultrasound (...) Ultrasound-guided high-intensity transcutaneous focused ultrasound for symptomatic uterine fibroids Ultr Ultrasound-guided high-intensity tr asound-guided high-intensity transcutaneous anscutaneous focused ultr focused ultrasound for symptomatic uterine asound for symptomatic uterine fibroids fibroids Interventional procedures guidance Published: 24 July 2019 www.nice.org.uk/guidance/ipg657 Y Y our responsibility our responsibility This guidance represents the view of NICE, arrived at after

2019 National Institute for Health and Clinical Excellence - Interventional Procedures

4. Comparison of 2D and 3D ultrasound methods to measure serial bladder volumes during filling: Steps toward development of non-invasive ultrasound urodynamics (PubMed)

Comparison of 2D and 3D ultrasound methods to measure serial bladder volumes during filling: Steps toward development of non-invasive ultrasound urodynamics Non-invasive methods to objectively characterize overactive bladder (OAB) and other forms of voiding dysfunction using real-time ultrasound are currently under development but require accurate and precise serial measurements of bladder volumes during filling. This study's objective was to determine the most accurate and precise ultrasound (...) -based method of quantifying serial bladder volumes during urodynamics (UD).Twelve female participants with OAB completed an extended UD procedure with the addition of serial bladder ultrasound images captured once per minute. Bladder volume was measured using three ultrasound methods: (1) Vspheroid: two-dimensional (2D) method calculated assuming spheroid geometry; (2) Vbih: 2D correction method obtained by multiplying Vspheroid by a previously derived correction factor of 1.375; and (3) V3D: three

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2018 Bladder

5. Point-of-Care Ultrasound Assessment of Bladder Fullness for Female Patients Awaiting Radiology-Performed Transabdominal Pelvic Ultrasound in a Pediatric Emergency Department: A Randomized Controlled Trial. (PubMed)

Point-of-Care Ultrasound Assessment of Bladder Fullness for Female Patients Awaiting Radiology-Performed Transabdominal Pelvic Ultrasound in a Pediatric Emergency Department: A Randomized Controlled Trial. Radiology-performed transabdominal pelvic ultrasound, used to evaluate female patients with suspected pelvic pathology in the pediatric emergency department (ED), is often delayed by the need to fill the bladder. We seek to determine whether point-of-care ultrasound assessment of bladder (...) fullness can predict patient readiness for transabdominal pelvic ultrasound more quickly than patient sensation of bladder fullness.We performed a randomized controlled trial of female patients aged 8 to 18 years who required transabdominal pelvic ultrasound in a pediatric ED. Patients were randomized to usual care or point-of-care ultrasound and then assessed every 30 minutes for subjective bladder fullness (0 to 4 ordinal scale) and qualitative bladder fullness by point-of-care ultrasound. Patients

2018 Annals of Emergency Medicine Controlled trial quality: predicted high

6. Ultrasound evidence of bladder outlet obstruction secondary to lichen sclerosus et atrophicus in boys (balanitis xerotica obliterans). (PubMed)

Ultrasound evidence of bladder outlet obstruction secondary to lichen sclerosus et atrophicus in boys (balanitis xerotica obliterans). Lichen sclerosus (LS), (balanitis xerotica obliterans), causes pathological phimosis. Many boys present with obstructive symptoms, the cause is usually obvious on examination so ultrasound scans (USS) of the urinary tract are not routinely indicated. We review a series of abnormal USS in boys with LS.Retrospective note review for boys undergoing surgical (...) treatment for LS between 2000 and 2017. Seventy-eight boys had a USS prior to surgery, those with abnormal USS form the study population. Boys with neuropathic bladder or congenital urinary tract abnormalities were excluded.Nineteen of 78 boys (24%), mean age 9 years, were included. Seventeen had obstructive symptoms, 13 had culture proven UTIs, 12 had new onset incontinence. On USS 3 (17%) had acute retention, 8 (78%) had an isolated post-void residual volume (PVR) >10% of estimated bladder capacity

2019 Journal of Pediatric Surgery

7. Effect of ultrasound-guided proximal and distal approach for obturator nerve block in transurethral resection of bladder cancer under spinal anesthesia. (PubMed)

Effect of ultrasound-guided proximal and distal approach for obturator nerve block in transurethral resection of bladder cancer under spinal anesthesia. Background: Ultrasound-guided proximal or distal approach for obturator nerve block is preformed to prevent adductor muscle spasm during transurethral resection of bladder tumors. The aim of the study was to compare the effectiveness of two different techniques in blocking the obturator nerve during transurethral resection of a bladder tumor (...) . Methods: Fifty obturator nerve blocks were performed for transurethral bladder tumor resection and divided into two groups. One group received ultrasound-guided proximal obturator nerve block approach (proximal group), and the other group received ultrasound-guided distal obturator nerve block approach (distal group). Grade of adductor muscle spasm, the rate of clinical effectiveness, duration of block procedure, and complications were recorded. Patients with grade two adductor spasms were transferred

2019 Cancer management and research Controlled trial quality: uncertain

8. Bladder debris on renal and bladder ultrasound: a significant predictor of positive urine culture (PubMed)

Bladder debris on renal and bladder ultrasound: a significant predictor of positive urine culture Renal and bladder ultrasound (RBUS) is recommended in evaluation of children after an initial, febrile urinary tract infection. Although it is not uncommon to observe debris within the bladder lumen on sonography, the significance of this finding is uncertain. Debris may be interpreted as an indication of ongoing infection, but there have been no studies to date investigating the association (...) of bladder debris with a positive culture.The aim of this study was to evaluate the association of bladder debris noted at the time of RBUS with positive urine culture results obtained from a catheterized specimen, among patients undergoing RBUS and voiding cystourethrogram (VCUG) on the same day.We performed a retrospective cross-sectional study of 3995 patients who presented for same-day RBUS and VCUG. RBUS reports were reviewed for the presence of bladder debris, and analysis was limited to patients

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2017 Journal of pediatric urology

9. Static and Dynamic Ultrasound Imaging to Visualize the Bladder, Bladder Neck, Urethra, and Pelvic Floor in Children with Daytime Incontinence (PubMed)

Static and Dynamic Ultrasound Imaging to Visualize the Bladder, Bladder Neck, Urethra, and Pelvic Floor in Children with Daytime Incontinence 29209599 2018 11 13 2296-2360 5 2017 Frontiers in pediatrics Front Pediatr Static and Dynamic Ultrasound Imaging to Visualize the Bladder, Bladder Neck, Urethra, and Pelvic Floor in Children with Daytime Incontinence. 247 10.3389/fped.2017.00247 Schroeder Rogier R Paediatric Urology, Emma Children's Hospital, Amsterdam, Netherlands. Paediatric Urology (...) Paediatric Urology, Emma Children's Hospital, Amsterdam, Netherlands. Paediatric Urology, Wilhelmina Children's Hospital, Utrecht, Netherlands. eng Journal Article 2017 11 21 Switzerland Front Pediatr 101615492 2296-2360 bladder diagnostic imaging perineum ultrasonography urinary incontinence urology 2017 06 14 2017 11 06 2017 12 7 6 0 2017 12 7 6 0 2017 12 7 6 1 epublish 29209599 10.3389/fped.2017.00247 PMC5702330 J Clin Ultrasound. 2014 Sep;42(7):395-8 24615794 Br J Radiol. 2017 Jan;90(1069):20160556

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2017 Frontiers in pediatrics

10. BladderScan BVI 9400 3D portable ultrasound scanner for measuring bladder volume

BladderScan BVI 9400 3D portable ultrasound scanner for measuring bladder volume BladderScan BVI 9400 3D portable ultr BladderScan BVI 9400 3D portable ultrasound asound scanner for measuring bladder v scanner for measuring bladder volume olume Medtech innovation briefing Published: 22 January 2016 nice.org.uk/guidance/mib50 pathways Summary Summary BladderScan BVI 9400 is a portable 3D ultrasound device that measures bladder volume non-invasively to help assess urinary retention and post-void (...) , excluding VAT. © NICE 2018. All rights reserved. Subject to Notice of rights (https://www.nice.org.uk/terms-and- conditions#notice-of-rights). Page 1 of 26Product summary and lik Product summary and likely place in ther ely place in therap apy y BladderScan BVI 9400 is a portable 3D ultrasound device designed for non-invasive bladder volume measurement to help diagnose and assess urological conditions. It would be used in place of either urinary catheterisation or ultrasound (including other portable

2016 National Institute for Health and Clinical Excellence - Advice

11. Quantitative ultrasound imaging of therapy response in bladder cancer in vivo (PubMed)

Quantitative ultrasound imaging of therapy response in bladder cancer in vivo Quantitative ultrasound (QUS) was investigated to monitor bladder cancer treatment response in vivo and to evaluate tumor cell death from combined treatments using ultrasound-stimulated microbubbles and radiation therapy.Tumor-bearing mice (n=45), with bladder cancer xenografts (HT- 1376) were exposed to 9 treatment conditions consisting of variable concentrations of ultrasound-stimulated Definity microbubbles [nil (...) parameters following treatments with high concentration microbubbles combined with 8 Gy radiation: (ΔMBF = +6.41 ± 1.40 (±SD) dBr and SI= + 7.01 ± 1.20 (±SD) dBr. Histological data revealed increased cell death, and a reduction in nuclear size with treatments, which was mirrored by changes in quantitative ultrasound parameters. QUS demonstrated markers to detect treatment effects in bladder tumors in vivo.

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2016 Oncoscience

12. Cohort study: Renal and bladder ultrasound is important but yields incomplete screening for genitourinary abnormalities in young children with urinary tract infection

Cohort study: Renal and bladder ultrasound is important but yields incomplete screening for genitourinary abnormalities in young children with urinary tract infection Renal and bladder ultrasound is important but yields incomplete screening for genitourinary abnormalities in young children with urinary tract infection | BMJ Evidence-Based Medicine We use cookies to improve our service and to tailor our content and advertising to you. You can manage your cookie settings via your browser at any (...) time. To learn more about how we use cookies, please see our . Log in using your username and password For personal accounts OR managers of institutional accounts Username * Password * your user name or password? Search for this keyword Search for this keyword Main menu Log in using your username and password For personal accounts OR managers of institutional accounts Username * Password * your user name or password? You are here Renal and bladder ultrasound is important but yields incomplete

2014 Evidence-Based Medicine (Requires free registration)

13. Imaging of gall bladder by endoscopic ultrasound (PubMed)

Imaging of gall bladder by endoscopic ultrasound Endoscopic ultrasonography (EUS) is considered a superior investigation when compared to conventional ultrasonography for imaging gall bladder (GB) lesions as it can provide high-resolution images of small lesions with higher ultrasound frequencies. Examination of GB is frequently the primary indication of EUS imaging. Imaging during EUS may not remain restricted to one station and multi-station imaging may provide useful information. This review

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2018 World journal of gastrointestinal endoscopy

14. Portable Bladder Ultrasound Reduces Incidence of Urinary Tract Infection and Shortens Hospital Length of Stay in Patients With Acute Ischemic Stroke (PubMed)

Portable Bladder Ultrasound Reduces Incidence of Urinary Tract Infection and Shortens Hospital Length of Stay in Patients With Acute Ischemic Stroke Urinary tract infection (UTI) during acute ischemic stroke is associated with a longer hospital length of stay and unfavorable functional outcomes.We investigated the benefits of portable bladder ultrasound (PBU) scanning during acute ischemic stroke.We retrospectively reviewed patients with acute ischemic stroke from January 2011 to February 2017 (...) . Patients were divided into group 1 (PBU not available) and group 2 (PBU available), before or after the split date, April 9, 2014. Portable bladder ultrasound scanning was conducted by nurses to measure postvoid residual urine volume in patients with impaired consciousness and/or dependent ambulation.In total, 1928 patients were enrolled, of whom 109 (5.7%) had UTI and 901 (46.7%) experienced unfavorable outcomes (modified Rankin scale score ≥ 3). Multivariate analysis revealed that factors

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2018 The Journal of cardiovascular nursing

15. Evaluation of electrical impedance tomography for determination of urinary bladder volume: comparison with standard ultrasound methods in healthy volunteers (PubMed)

Evaluation of electrical impedance tomography for determination of urinary bladder volume: comparison with standard ultrasound methods in healthy volunteers Continuous non-invasive urinary bladder volume measurement (cystovolumetry) would allow better management of urinary tract disease. Electrical impedance tomography (EIT) represents a promising method to overcome the limitations of non-continuous ultrasound measurements. The aim of this study was to compare the measurement accuracy of EIT (...) to standard ultrasound in healthy volunteers.For EIT of the bladder a commercial device (Goe MF II) was used with 4 different configurations of 16 standard ECG electrodes attached to the lower abdomen of healthy participants. To estimate maximum bladder capacity (BCmax) and residual urine (RU) two ultrasound methods (US-Ellipsoid and US-L × W × H) and a bedside bladder scanner (BS), were performed at the point of urgency and after voiding. For volume reference, BCmax and RU were validated by urine

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2018 Biomedical engineering online

16. Ultrasound beam steering of oxygen nanobubbles for enhanced bladder cancer therapy (PubMed)

Ultrasound beam steering of oxygen nanobubbles for enhanced bladder cancer therapy New intravesical treatment approaches for bladder cancer are needed as currently approved treatments show several side effects and high tumor recurrence rate. Our study used MB49 murine urothelial carcinoma model to evaluate oxygen encapsulated cellulosic nanobubbles as a novel agent for imaging and ultrasound guided drug delivery. In this study, we show that oxygen nanobubbles (ONB) can be propelled (up to 40 mm (...) /s) and precisely guided in vivo to the tumor by an ultrasound beam. Nanobubble velocity can be controlled by altering the power of the ultrasound Doppler beam, while nanobubble direction can be adjusted to different desired angles by altering the angle of the beam. Precise ultrasound beam steering of oxygen nanobubbles was shown to enhance the efficacy of mitomycin-C, resulting in significantly lower tumor progression rates while using a 50% lower concentration of chemotherapeutic drug. Further

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2018 Scientific reports

17. Non-invasive bladder volume measurement for the prevention of postoperative urinary retention: validation of two ultrasound devices in a clinical setting (PubMed)

Non-invasive bladder volume measurement for the prevention of postoperative urinary retention: validation of two ultrasound devices in a clinical setting Ultrasound scanning of bladder volume is used for prevention of postoperative urinary retention (POUR). Accurate assessment of bladder volume is needed to allow clinical decision-making regarding the need for postoperative catheterization. Two commonly used ultrasound devices, the BladderScan® BVI 9400 and the newly released Prime® (Verathon (...) by no more than 5% from the actual urine volume after catheterization. The Schuirmann's two one-sided test was performed to assess equivalence between the BladderScan® estimate and catheterization. The BVI 9400® overestimated the actual bladder volume by + 17.5% (95% CI + 8.8 to + 26.3%). The Prime® without pre-scan underestimated by - 4.1% (95% CI - 8.8 to + 0.5%) and the Prime® with pre-scan underestimated by - 6.3% (95% CI - 11.6 to - 1.1%). This study shows that while both ultrasound devices were

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2018 Journal of clinical monitoring and computing

18. Attitudes and Opinions of Adolescent Females Regarding 2 Methods of Bladder Filling for Transabdominal Ultrasound: A Q-Sort Study. (PubMed)

Attitudes and Opinions of Adolescent Females Regarding 2 Methods of Bladder Filling for Transabdominal Ultrasound: A Q-Sort Study. Adolescent female patients who are not sexually active and who present to a pediatric emergency department with abdominal pain require a full bladder prior to transabdominal ultrasound. Procedures to fill the bladder are largely institution or provider dependent. We examined adolescent females' attitudes and opinions toward 2 common methods of bladder filling (...) , intravenous fluid administration and transurethral Foley catheter placement, by means of a Q-sort study.Two convenience samples of adolescent female patients in the pediatric emergency department at an academic children's hospital participated in the study. In part 1, subjects underwent a semistructured interview to elicit their opinions regarding 2 methods of bladder filling: intravenous fluid or transurethral catheter. The summation of subject statements was then narrowed down to a final Q set of 25

2018 Pediatric Emergency Care

19. Can renal and bladder ultrasound replace CT urogram in patients investigated for microscopic hematuria? (PubMed)

Can renal and bladder ultrasound replace CT urogram in patients investigated for microscopic hematuria? Computerized tomography urogram is recommended when investigating patients with hematuria. We determined the incidence of urinary tract cancer and compared the diagnostic accuracy of computerized tomography urogram to that of renal and bladder ultrasound for identifying urinary tract cancer.The DETECT (Detecting Bladder Cancer Using the UroMark Test) I study is a prospective observational (...) study recruiting patients 18 years old or older following presentation with macroscopic or microscopic hematuria at a total of 40 hospitals. All patients underwent cystoscopy and upper tract imaging comprising computerized tomography urogram and/or renal and bladder ultrasound.A total of 3,556 patients with a median age of 68 years were recruited in this study, of whom 2,166 underwent renal and bladder ultrasound, and 1,692 underwent computerized tomography urogram in addition to cystoscopy

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2018 Journal of Urology

20. A comparison of bladder volumes based on treatment planning CT and BladderScan® BVI 6100 ultrasound device in a prostate radiation therapy population. (PubMed)

A comparison of bladder volumes based on treatment planning CT and BladderScan® BVI 6100 ultrasound device in a prostate radiation therapy population. The aim of this study is to investigate if a handheld ultrasound device (BladderScan® BVI 6100) can accurately measure bladder volumes in prostate radiotherapy (RT) patients.A comparison was made of contoured bladder volumes based on treatment planning CT (TPCT) and BladderScan® BVI 6100 ultrasound device in a large prostate RT population. Three (...) bladder volume (BV) measurements were taken using the bladder volume instrument (BVI) device on prostate RT patients immediately prior to TPCT (n = 190). The CT delineation bladder volumes were also recorded. The mean of the three BVI readings (BVImean) and the maximum (BVImax) of the readings were considered for a comparative analysis.There was a strong positive correlation between the BVI and CT delineated bladder volumes (BVImean r = 0.825; BVImax r = 0.830). The mean difference [± standard

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2018 The British journal of radiology Controlled trial quality: uncertain

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