A comparison of aium/nema thermal indices with calculated temperature rises for a simple thirdtrimester pregnancy tissue model

Ultrasound in Medicine and Biology

Volumn 25, Issue 4, 1999, Pages 623-628

  Jago, J R ^a   Henderson, J ^a   Whittingham, T A ^a   Mitchell, G ^a  

^a NEWCASTLE GENERAL HOSPITAL   (United Kingdom)

Author keywords

Pregnancy; Safety of ultrasound; Thermal hazard; Thermal Index; Thermal model; Tissue heating; Ultrasonic scanning; Ultrasound

Indexed keywords

BONE; CALCULATIONS; DIAGNOSIS; FETAL MONITORING; MATHEMATICAL MODELS; PROBES; TEMPERATURE; TEMPERATURE MEASUREMENT; THERMAL EFFECTS; TISSUE;

COLOR FLOW IMAGING MODES; PREGNANCY; THERMAL HAZARD; THERMAL INDICES; THERMAL MODEL; THIRD TRIMESTER PREGNANCY TISSUE MODEL; TISSUE HEATING; ULTRASONIC SCANNING;

ULTRASONIC IMAGING;

ABDOMINAL WALL; ARTICLE; B SCAN; BONE; CALCULATION; COLOR ULTRASOUND FLOWMETRY; COMPARATIVE STUDY; CONTROLLED STUDY; DOPPLER ECHOGRAPHY; ECHOGRAPHY; LIQUID; MODEL; MYOMETRIUM; NONHUMAN; PRIORITY JOURNAL; TEMPERATURE MEASUREMENT; THERMAL ANALYSIS; THIRD TRIMESTER PREGNANCY;

ABDOMINAL MUSCLES; AMNIOTIC FLUID; BIOPHYSICS; BODY TEMPERATURE; BONE AND BONES; FEMALE; FETUS; HUMANS; MODELS, BIOLOGICAL; PREGNANCY; PREGNANCY TRIMESTER, THIRD; ULTRASONOGRAPHY, PRENATAL; UTERUS;

EID: 0032912561     PISSN: 03015629     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-5629(98)00192-6     Document Type: Article

References (11)

1. Bioeffects and safety of diagnostic ultrasound. 1993;AIUM, Rockville Pike, MD.
2. Standard for real time display of thermal and mechanical acoustic output indices on diagnostic ultrasound equipment. 1992;AIUM, Rockville Pike, MD.
3. Barnett S.B., Kossoff G. WFUMB symposium on safety and standardisation in medical ultrasound. [Special Issue] Ultrasound Med Biol. 18:1992.
4. Drewniak J.L., Carnes K.I., Dunn F. In vitro ultrasonic heating of fetal bone. J Acoust. Soc Am. 86:1989;1254-1258.
5. Information for manufacturers seeking market clearance of diagnostic ultrasound systems and transducers. 1997;Food and Drug Administration, Department of Health and Human Services, Rockville, MD.
6. Jago J.R., Mitchell G., Whittingham T.A., Henderson J., Willson K. Experimental measurement of the spatial distribution of temporal average intensity for complex beam shapes and scanning modes. Br J Radiol. 67:1994;716.
7. Jago J, Whittingham TA and Henderson J. Predicted temperature rises using measured intensity distributions: a comparison with AIUM/NCRP thermal indices. IPSM Conference Physics and Technology of Medical Ultrasound, University of York, 28-29 March 1995.
8. Exposure criteria for medical diagnostic ultrasound I. Criteria based on thermal mechanisms . 1992;NCRP, Bethesda, MD.
9. Nyborg W.L. Heat generation by ultrasound in a relaxing medium. J Acoust Soc Am. 70:1981;310-312.
10. Pennes H. Analysis of tissue and arterial blood temperatures in the resting human forearm. J Appl Physiol. 1:1948;93-122.
11. Thomenius K.E. Estimation of the potential for bioeffects. Ziskin M.C., Lewin P.A. Ultrasonic exposimetry. 1993;CRC Press, Boca Raton, Florida.