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Ultrasound in high‐risk obstetrics. Rudy E. Sabbagha, M.D., Philadelphia, Lea & Febiger, 1979, 108 pages, $11.00

Ultrasound in high‐risk obstetrics. Rudy E. Sabbagha, M.D., Philadelphia, Lea & Febiger, 1979,... Joseph L. Rose, M.D., and Barry B. Goldberg, M.D., New York, John Wiley & Sons, 1979,340 pages, $25.00 This slim volume consists of six chapters, entitled Instrumentation, Methodology, Fetal Age, Fetal Growth, Abnormalities of Pregnancy, and The Placenta. Chapters 3 and 4 on fetal age and fetal growth constitute the corpus of the work, with the peripheral chapters serving as introduction and coda. The central hypothesis of Dr. Sabbagha’s work is the concept of growth-adjusted sonar age (GASA). He believes that each fetus must be assigned t o its appropriate growth category (slow, average, or accelerated) before its biparietal diameter can be accurately related to gestational age. Thus he advocates two measurements, one a t 17-24 wk and one a t 31-33 wk. The fetus is classified according to the growth that occurs during that interval. If growth has been faster than average, the estimate of gestational age is reduced, whereas if it has been slower, the estimate is advanced. The third and fourth chapters discuss the GASA in detail and provide tables and explanations for its use. The relation of GASA to abdominal circumference and the problem of detecting asymmetrical growth retardation are discussed, although much less thoroughly than symmetrical growth retardation. The peripheral chapters contain information that is readily available from other sources and with which most readers of JCU will already be familiar. They also contain some misinformation. For example, the midbrain is identified as the ventricular system, and the umbilical vein is called the ductus venosus. In summary, this book is mainly an exposition of the principle of growth-adjusted sonar age, and it can be recommended for those readers who wish to understand its clinical application. Fred Winsberg, M.D. Montreal General Hospital McGill University Montreal, P.Q., Canada One of the real needs of the clinician who uses ultrasound is for a clinically oriented text that explains, in a lucid manner, the basic physical principles underlying generation of the ultrasound beam and production of a diagnostic picture. Such a text would also discuss the principles behind the many different types of static and real-time equipment available today. Discussion of transducer selection, artifacts, and other concerns of interest to the practicing sonographer would also be included. This text is advertised by its publishers as a “clinically oriented reference text” that is “designed t o place you in a position to: fully evaluate equipment in comparison with alternate equipment groups . . . understand . . . operator skills,” etc. In addition, the publishers state that “it provides the sonographer, radiology residents, and physician newly involved in ultrasound with a n excellent overview of the field.” Unfortunately, although such laudable goals may have been the initial hope of the authors, I believe that this design has been somewhat frustrated in its achievement. The introductory chapters (Chapters 1-3) are, in fact, fairly complex and heavily dependent on a solid grounding in mathematics. I believe that these introductory chapters would quickly overwhelm most sonographers and, indeed, most physicians. The most useful chapters, from the standpoint of the practicing clinician, are those on basic concepts in ultrasound instrumentation (Chapter 41, ultrasound field parameters (Chapter 51, and ultrasound transducer concepts (Chapter 6). The book consists of 15 chapters, one of which is entirely devoted to laboratory experiments. Each chapter is followed by a summary and a series of exercises. The summary is a n excellent device that gives added clarification to the preceding chapter. Despite the claims of the publishers, little real attention is given to actual pros and cons, in a VOL. 8, NO. 3, JUNE 1980 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Clinical Ultrasound Wiley

Ultrasound in high‐risk obstetrics. Rudy E. Sabbagha, M.D., Philadelphia, Lea & Febiger, 1979, 108 pages, $11.00

Winsberg, Fred
Journal of Clinical Ultrasound , Volume 8 (3) – Jun 1, 1980
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Publisher
Wiley
Copyright
Copyright © 1980 Wiley Periodicals, Inc., A Wiley Company
ISSN
0091-2751
eISSN
1097-0096
DOI
10.1002/jcu.1870080316
Publisher site
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Abstract

Joseph L. Rose, M.D., and Barry B. Goldberg, M.D., New York, John Wiley & Sons, 1979,340 pages, $25.00 This slim volume consists of six chapters, entitled Instrumentation, Methodology, Fetal Age, Fetal Growth, Abnormalities of Pregnancy, and The Placenta. Chapters 3 and 4 on fetal age and fetal growth constitute the corpus of the work, with the peripheral chapters serving as introduction and coda. The central hypothesis of Dr. Sabbagha’s work is the concept of growth-adjusted sonar age (GASA). He believes that each fetus must be assigned t o its appropriate growth category (slow, average, or accelerated) before its biparietal diameter can be accurately related to gestational age. Thus he advocates two measurements, one a t 17-24 wk and one a t 31-33 wk. The fetus is classified according to the growth that occurs during that interval. If growth has been faster than average, the estimate of gestational age is reduced, whereas if it has been slower, the estimate is advanced. The third and fourth chapters discuss the GASA in detail and provide tables and explanations for its use. The relation of GASA to abdominal circumference and the problem of detecting asymmetrical growth retardation are discussed, although much less thoroughly than symmetrical growth retardation. The peripheral chapters contain information that is readily available from other sources and with which most readers of JCU will already be familiar. They also contain some misinformation. For example, the midbrain is identified as the ventricular system, and the umbilical vein is called the ductus venosus. In summary, this book is mainly an exposition of the principle of growth-adjusted sonar age, and it can be recommended for those readers who wish to understand its clinical application. Fred Winsberg, M.D. Montreal General Hospital McGill University Montreal, P.Q., Canada One of the real needs of the clinician who uses ultrasound is for a clinically oriented text that explains, in a lucid manner, the basic physical principles underlying generation of the ultrasound beam and production of a diagnostic picture. Such a text would also discuss the principles behind the many different types of static and real-time equipment available today. Discussion of transducer selection, artifacts, and other concerns of interest to the practicing sonographer would also be included. This text is advertised by its publishers as a “clinically oriented reference text” that is “designed t o place you in a position to: fully evaluate equipment in comparison with alternate equipment groups . . . understand . . . operator skills,” etc. In addition, the publishers state that “it provides the sonographer, radiology residents, and physician newly involved in ultrasound with a n excellent overview of the field.” Unfortunately, although such laudable goals may have been the initial hope of the authors, I believe that this design has been somewhat frustrated in its achievement. The introductory chapters (Chapters 1-3) are, in fact, fairly complex and heavily dependent on a solid grounding in mathematics. I believe that these introductory chapters would quickly overwhelm most sonographers and, indeed, most physicians. The most useful chapters, from the standpoint of the practicing clinician, are those on basic concepts in ultrasound instrumentation (Chapter 41, ultrasound field parameters (Chapter 51, and ultrasound transducer concepts (Chapter 6). The book consists of 15 chapters, one of which is entirely devoted to laboratory experiments. Each chapter is followed by a summary and a series of exercises. The summary is a n excellent device that gives added clarification to the preceding chapter. Despite the claims of the publishers, little real attention is given to actual pros and cons, in a VOL. 8, NO. 3, JUNE 1980

Journal

Journal of Clinical Ultrasound – Wiley

Published: Jun 1, 1980

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