International recommendations and guidelines for the safe use of diagnostic ultrasound in medicine

Barnett, Steven; Haar, Gail ter; Ziskin, Marvin C.; Rott, Hans‐Dieter; Duck, Francis; Maeda, Kazuo

doi:10.1016/s0301-5629(00)00204-0

Cited by 349 publications

(242 citation statements)

References 20 publications

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“…The spatial peak temporal average intensity of ultrasound for B-mode and Doppler examinations was less than 100 mW/cm 2 , which is within the safety limits recommended by the Bioeffects Committee of the American Institute of Ultrasound in Medicine (8). The sensitivity for the detection of blood flow was set at 0.09 cm/s for all the cases.…”

Section: Methodsmentioning

confidence: 77%

Power Doppler ultrasound assessment of follicular vascularity in the early follicular phase and its relationship with outcome of in vitro fertilization

Shrestha

Costello

Sjöblom

et al. 2006

J Assist Reprod Genet

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Objective : To determine whether ovarian perifollicular blood flow (PFBF) in the early follicular phase (EFP) was associated with treatment outcome. Design : Retrospective longitudinal cohort study. Setting : Tertiary referral centre/university hospital. Patients : Thirty-four women underwent 37 IVF cycles, which resulted in 35 embryo transfers. Interventions : Serial transvaginal scans using power Doppler ultrasound during the follicular phase. Ovarian PFBF of follicles ≥ 5 mm was subjectively assessed using a modified grading system (grades 0-4). Main outcome measures : Ovarian PFBF and pregnancy. Results : Treatment cycles were retrospectively divided into two groups: Group 1 (n = 20) had cycles with at least one small (5-10 mm) or medium (11-14 mm) size follicle(s) of high grade (2-4) PFBF on cycle day 5 or 6 or 7; and Group 2 (n = 17), had cycles that did not. Group 1 had a significantly higher proportion of high grade large follicles in the late follicular phase (35% vs. 21%) (OR 2.0; 95% CI 1.1-3.7) and higher clinical pregnancy rate (47% vs. 12%) (OR 6.3; CI 1.1-35.7) compared to Group 2. Conclusion : High grade ovarian PFBF in the EFP during IVF is associated with both high grade PFBF in the late follicular phase and a higher clinical pregnancy rate.

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Section: Methodsmentioning

confidence: 77%

Power Doppler ultrasound assessment of follicular vascularity in the early follicular phase and its relationship with outcome of in vitro fertilization

Shrestha

Costello

Sjöblom

et al. 2006

J Assist Reprod Genet

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“…[32,33] These new US-triggered, PFC-loaded microbullets can travel at remarkably high average velocities (~6.3 m s −1 : over 100 times faster than currently published micromachines) [11][12][13][14] and deeply penetrate and deform kidney tissue. The concomitance of powerful MB propulsion, biocompatible PFC emulsion fuel, [35] and deeply penetrative, yet medically safe US [34] could lead to highly targeted in vivo drug delivery, artery cleaning, gene regulation schemes, and cancer therapeutics that require higher specificity and accuracy than the current state-of-the-art.…”

Section: Introductionmentioning

confidence: 99%

Acoustic Droplet Vaporization and Propulsion of Perfluorocarbon‐Loaded Microbullets for Targeted Tissue Penetration and Deformation

Kagan¹,

Benchimol²,

Claussen³

et al. 2012

Angewandte Chemie

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Ultraschallinduzierte Verdampfung eines Perfluorkohlenwasserstoffs (PFC) in Mikrogeschossen verleiht diesen die Kraft, um Zellgewebe zu durchdringen, zu spalten und zu verformen, was nützlich sein kann für den Wirkstofftransport oder präzise Nanooperationen. Die Geschosse haben innen eine Goldschicht, die die Konjugation einer Monoschicht aus thioliertem Cysteamin (grün im Bild) ermöglicht, worauf über elektrostatische Wechselwirkungen PFC‐Tröpfchen (violette Tropfen) angebracht werden.

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“…The broad use of ultrasound therapy in several health branches made it possible to identify several different biological effects of low-intensity ultrasound (US) in a number of tissues [1][2][3][4][5][6][7][8][9][10][11][12][13][14] , namely fibrinolytic effects 9 , as well as thrombolytic 10 , lipolytic 6,8 , angiogenic 13 , enzymatic 5,14 , and oxidative effects 13 , as well as synergic in vasoactive drugs 4,5 , to name but a few 3,11 . All of these effects are directly associated with the dosages used (power, frequency, time-length), and also with the responsiveness of the biological tissue exposed, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…Current studies show that US applications in usual dosages (1 and 3 MHz) in physical therapy 3,8 and in clinical diagnosis 1 , although not unsafe for daily practice, should not be taken as a risk-free tool, because it only uses small variations in frequency, power, and time -i.e. dosages and ways to apply them -to bring about local changes in the biological tissue exposed [1][2][3][4][5][6][7][8][9][10][11][12][13][14] .…”

Section: Introductionmentioning

confidence: 99%

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Implicações da lipoclasia dermossônica no metabolismo energético e na composição corporal de ratos Wistar saudáveis

Gonçalves

Cirqueira

Abreu

et al. 2009

Rev. bras. fisioter.

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Implications of dermosonic lipoclasisfor energy metabolism and body composition of healthy Wistar rats Implicações da lipoclasia dermossônica no metabolismo energético e na composição corporal de ratos Wistar saudáveis Gonçalves WLS, Cirqueira JP, Abreu GR, Moysés MR AbstractObjectives: To investigate the implications of Dermosonic lipoclasis (DLC), i.e. lipolysis on subcutaneous white adipose tissue induced by ultrasound, for the energy metabolism and body composition of healthy rats. Methods: Twenty four-month-old male Wistar rats weighting ±380g were randomly divided into two groups: 1) sham control (SC) and 2) low-intensity ultrasound therapy (LIUST). For 10 days, after sedation with 3% vaporized halothane, the animals underwent LIUST (I SATA =3MHz, 1 Wcm -2 , pulsed mode 2:8ms, 30% cycles for 3 minutes) in the infra-abdominal and inguinal regions. Weight measurements, naso-anal length and metabolic parameters (food and water intake and excretion) were monitored during the study. At the end of the treatment, blood samples were collected for biochemical analyses. Retroperitoneal (RET), perirenal (PR), epididymal (EP) and inguinal (ING) adiposity was evaluated. HOMA-IR (homeostasis model assessment) was calculated to estimate insulin resistance. For statistical analyses, the Student t test, ANOVA and the Tukey test were used, and differences were established as p<0.05. Results: Regarding body weight, the SC group (384±9g) did not show any changes, while the treated group (337±2g) showed reductions (p<0.01). This was also seen in relation to food intake: (25±1g) vs. (21±1g). There were also reductions (p<0.05) in the RET, PR and ING fat-pads, obesity index, triglyceride levels and plasma lipoprotein levels. Hyperinsulinemia without changes in glycemia characterized a state of insulin resistance, which was confirmed by HOMA-IR. Conclusions: DLC reduced the food intake and body weight and modified the fat deposition in the RET, PR and ING stores in rats. This changed the lipid profile to produce a significant state of insulin resistance.Key words: ultrasound therapy; dermosonic lipoclasis; adipose tissue; energy metabolism; insulin resistance. ResumoObjetivos: Investigar as implicações da lipoclasia dermossônica (LCD), lipólise do tecido adiposo branco subcutâneo induzido por ultrassom (US), no metabolismo energético e na composição corporal de ratos saudáveis. Métodos: Utilizaram-se 20 ratos Wistar saudáveis, com 4 meses de idade, pesando ±380g, divididos aleatoriamente em 2 grupos: 1) controle-sham (CS), 2) terapia ultrassônica de baixa intensidade (TUSBI). Durante 10 dias, após sedação (halotano-3% vaporizado), os animais eram submetidos à TUSBI (I SATA =3MHz, 1W.cm -2 , modo pulsado 2:8ms, ciclo de 30% por 3 minutos) em região infra-abdominal e inguinal. Medidas de peso, comprimento naso-anal e parâmetros metabólicos (ingestão e excreção) foram controlados durante o estudo. Ao final do tratamento, amostras de sangue foram coletadas para dosagens bioquímicas, e então avaliadas adiposidades retroperitoneal (RET...

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International recommendations and guidelines for the safe use of diagnostic ultrasound in medicine

Cited by 349 publications

References 20 publications

Power Doppler ultrasound assessment of follicular vascularity in the early follicular phase and its relationship with outcome of in vitro fertilization

Power Doppler ultrasound assessment of follicular vascularity in the early follicular phase and its relationship with outcome of in vitro fertilization

Acoustic Droplet Vaporization and Propulsion of Perfluorocarbon‐Loaded Microbullets for Targeted Tissue Penetration and Deformation

Implicações da lipoclasia dermossônica no metabolismo energético e na composição corporal de ratos Wistar saudáveis

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