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Year : 2008  |  Volume : 18  |  Issue : 2  |  Page : 175-177
Hystero-salpingography: An obituary or a new beginning…?


1 Department of Radiology, Diwan Chand Imaging Research Center, New Delhi - 110 001, India
2 Department of Obstetrics and Gynecology, Apollo Hospital, Sarita Vihar, New Delhi - 110 076, India

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How to cite this article:
Ghonge NP, Dube S. Hystero-salpingography: An obituary or a new beginning…?. Indian J Radiol Imaging 2008;18:175-7

How to cite this URL:
Ghonge NP, Dube S. Hystero-salpingography: An obituary or a new beginning…?. Indian J Radiol Imaging [serial online] 2008 [cited 2019 Nov 20];18:175-7. Available from: http://www.ijri.org/text.asp?2008/18/2/175/40308
Dear Sir,

With the advent of diagnostic and operative laparoscopy, the role and relevance of hysterosalpingography (HSG) as a routine investigation in infertility is gradually being debated. A recently published article based on a multicenter randomized controlled trial failed to show any statistically significant difference in cumulative pregnancy rates with the routine use of HSG in the workup of infertility. [1] According to us, there are a few technical lapses in the procedure and its interpretation, which result in its relatively poor performance as compared to laparoscopy, hysteroscopy, and salpingoscopy. This issue is now being globally understood and although this procedure has been around for about 100 years, "how-to-do" workshops on HSG were included in the annual conference of the Radiological Society of North America (RSNA) in 2004 and 2005. HSG, if performed and interpreted carefully, can offer a wealth of information. [2]

In view of this, the authors undertook a questionnaire-based study to analyze the prevalent clinical practices with respect to HSG, in Delhi and the National Capital Region (NCR) with the aim of predicting the cause of its relatively "poor" performance ( See Addendum ). The respondents included 50 radiologists and 50 gynecologists, irrespective of their practice settings and years of experience.

The predominant number of respondents preferred to use a metal cannula, which is known to cause more pain than a plastic cannula, during the stages of instrumentation, contrast injection and immediately post-procedure. [3] Pre-procedural antibiotics should always be advised. [4] Only 44% of respondents in this study, however, complied with this. As high as 40% of the respondents failed to realize that a slow gradual mode of contrast injection was the best technique to adopt, as this delineates the endometrial cavity in the non-distended state. This provides a unique opportunity to diagnose small subtle intra-endometrial space-occupying lesions or synechiae, which tend to get obscured in the late-distended phase. The patient should always be asked to empty her bladder before the procedure, to avoid discomfort during cannulation. The role of gentle psychological reassurance cannot be neglected. [5] The procedure should be explained to the patient in detail and no attempt should be made to force the catheter against resistance. The use of the Valsalva maneuver may be helpful during a difficult cannulation. After the images are acquired, a "pull-release" maneuver should always be performed. The relative change in position of the non-median uterus and the  Fallopian tube More Detailss gives vital clues about peritubal adhesions. [4] Interestingly, 78% respondents were not aware of these maneuvers.

Less than half of the respondents realized that the external uterine contour could also at times be evaluated on HSG, when the extravasated contrast delineates the uterine surface or when there is significant intravasation into the myometrial veins. This information about the external uterine contour helps diagnose underlying uterine anomalies. [6] A little more than one-third of the respondents realized that HSG was useful in predicting the reproductive outcome in patients with an arcuate uterus. The arcuate uterus ratio is the ratio of the depth of indentation and the intercornual distance. If the arcuate uterus ratio is less than 10%, an adverse reproductive outcome is not anticipated. [7]

The respondents were particularly concerned about tubal patency rather than mucosal details or peritubal disease, when it came to tubal imaging. Though, the term "tubal patency" is over-emphasized in HSG literature, the ideal terminology should be "tubal normalcy". It should be ascertained that contrast spill is truly a "free" intraperitoneal spillage and not a "localized" spill. Peritubal venous intravasation is an important sign on HSG that may favor the likelihood of tubal disease. It would be worthwhile to reiterate here that, "free" intraperitoneal spillage is not the only parameter to establish tubal normalcy on HSG. Mucosal evaluation and the likelihood of peritubal adhesions are integral components of tubal assessment. [8]

The majority of respondents felt that the therapeutic effect of radiological contrast media was a myth rather than reality. [9] The awareness of selective salpingography (SS) and fallopian tube catheterization (FTC) procedures was also not widespread. About 72% of respondents were not aware that gametes are relatively radio-resistant as compared to zygotes. Radiation-related issues are certainly valid but these should not be over-emphasized and they do not constitute an ethical evidence to eliminate HSG from routine infertility work-up. The ideal practice would be to adopt an accurate technical protocol, which restricts the radiation dose to "as low as reasonably achievable" (ALARA). HSG should never be performed without a fluoroscopy unit. At least 39% of respondents did not realize that digital fluoroscopy decreases mean skin and ovarian dose as compared to analog systems. [10] Apart from these, the ability to save a particular fluoroscopy frame in a digital system with the automatic elimination of "spot film" acquisition helps in further dose reduction.

As revealed in this questionnaire-based analysis, there are definite "technical" and "interpretational" lapses in the clinical practice of the HSG. There are certain individual perceptions about HSG and a professional bias towards alternate options, which tend to drive the clinicians away from HSG. Radiation-related misconceptions are particularly significant. These technical lapses can certainly contribute to the "poor" performance of HSG, apart from its inherent limitations. A proper attention to technique will help make HSG a vital component in routine infertility investigations.


   Acknowledgment Top


The authors and the coordinators of this study convey sincere acknowledgment to all the radiologists and the gynecologists in Delhi and National Capital Region (NCR), who responded and submitted their views and opinion regarding HSG, through the study questionnaire. The authors further admit due respect to experience and expertise of all the respondents participating in this study and ensure that the gathered information will only be utilized to evaluate the prevalent clinical practices in general.

 
   References Top

1.Perquin DA, Dorr PJ, Craen AJ, Helmerhorst FM. Routine use of hysterosalpingography prior to laparoscopy in the fertility workup: A multicentre randomized controlled trial. Hum Reprod 2006;21:1227-31.  Back to cited text no. 1    
2.Simpson WL, Beitia LG, Mester J. Hysterosalpingography: A reemerging study. Radiographics 2006;26:419-31.  Back to cited text no. 2    
3.Varpula M. Hysterosalpingography with a balloon catheter versus a cannula: Evaluation of patient pain. Radiology 1989;172:745-7.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]
4.Lindheim SR. Sprague C, Winter TC. Hysterosalpingography and sonohysterography: Lessons in technique. AJR Am J Roentgenol 2006;186:24-9.  Back to cited text no. 4    
5.Lang, EV, Hatsiopoulou O, Koch T. Can words hurt? Patient-provider interactions during invasive procedures. Pain 2005;114:303-9.  Back to cited text no. 5    
6.Homer HA, Li TC, Cooke ID. The septate uterus: A review of management and reproductive outcome. Fertil Steril 2000;73:1-14.  Back to cited text no. 6  [PUBMED]  [FULLTEXT]
7.Troiano RN, McCarthy SM. Mullerian duct anomalies: Imaging and clinical issues. Radiology 2004;233:19-34.  Back to cited text no. 7  [PUBMED]  [FULLTEXT]
8.Lia Valentini A. Improvement of hysterosalpingographic accuracy in the diagnosis of peritubal adhesions. AJR Am J Roentgenol 2000;175:1173-6.  Back to cited text no. 8    
9.Yun AJ, Lee PY. Enhanced fertility after diagnostic hysterosalpingography using oil-based contrast agents may be attributable to immunomodulation. AJR Am J Roentgenol 2004;183:1725-7.  Back to cited text no. 9  [PUBMED]  [FULLTEXT]
10.Perisinakis K, Damilakis J, Grammatikakis J, Theocharopoulos N, Gourtsoyiannis N. Radiogenic risks from hysterosalpingography. Eur Radiol 2003;13:1522-8.  Back to cited text no. 10  [PUBMED]  [FULLTEXT]

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Correspondence Address:
Nitin P Ghonge
Department of Radiology, Diwan Chand Imaging Research Center, New Delhi - 110 001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-3026.40308

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Das, A., Ray, B., Das, D., Das, S.
Indian Journal of Radiology and Imaging. 2008; 8(2): 175
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