However, the majority of patents find this test very comfortable and have minimal to no discomfort. By and large, this cramping is minimal and stops as soon as the procedure is finished. Saline infusion sonohysterography (SIS) is a useful imaging modality prior to planned hysteroscopic or laparoscopic procedures for fibroids, polyps, and uterine anomalies to ensure safe and appropriate interventions (Singh, & et al., 2013). This part of the test can tell us if the tubes are open.ĭuring the procedure, you may feel some discomfort as the catheter is placed into and through the cervix and as well when the small amount of salt water is injected into the uterus. Once the uterine lining has been seen, tiny bubbles of agitated saline will be placed in the uterus. This fills the uterus with saline and highlights any polyps or fybroids that may be inside the uterine cavity and might interfere with your chances of becoming pregnant. While watching the uterus with ultrasound, a small amount of sterile saline (salt water) is injected slowly through the catheter into your uterus. The speculum is then removed from the vagina and an ultrasound probe is placed into the vagina. A very small catheter (a tube) is then placed through the cervix into the uterus. The cervix is seen and cleansed with an antiseptic. The speculum examination allows access to the cervix (opening of the uterus). A saline infusion sonogram (SAS) is a specialized ultrasound used to visualize the cavity of the uterus. The test involves a speculum examination (like for a Pap smear). This is an ultrasound guided test, which looks at the lining of your uterus and possibly the Fallopain tubes as well. Your physician has asked that you undergo a procedure known as a Saline Infusion Sonogram. Saline infusion sonohysterography (SHG) is a non-invasive transvaginal ultrasound that introduces saline water inside the uterine cavity. Knowledge of these pitfalls and the strategies to overcome them may prevent premature or unnecessary termination of an otherwise successful study.The Hysterosonogram is an ultrasound that can determine if the cavity of the uterus is normal or abnormal (Saline Infusion Sonogram). However, poor distention may be indicative of an underlying pathologic condition. Adequate distention of the endometrial cavity is crucial for successful SIS, and optimal positioning of the distended balloon may improve the degree of distention. Injection of air during any US-guided procedure may lead to shadowing that obscures the region of interest. Inability to obtain access to the cervix is the most common cause of unsuccessful SIS proper patient positioning in a semi-upright lithotomy position is important. Obstacles to a successful procedure include issues related to patient anxiety and discomfort, which may be prevented or minimized at almost every step of the procedure. Although most SIS procedures are straightforward, a variety of pitfalls may lead to an unsuccessful procedure or incomplete evaluation. It is important not to presume that fibroids are the cause of bleeding when the endometrium is obscured at preprocedure imaging. Saline-infused sonohysterography (SIS) may help improve visualization of the endometrium and endometrial cavity and assess tubal patency. Performing preprocedure imaging serves many purposes, such as depicting hydrosalpinx, causes of uterine and adnexal tenderness, and pelvic inflammatory disease, as well as assessing the size and position of the uterus and the orientation of the cervix. A hysterosonogram or HSN is also known by the names sonohysterogram, saline ultrasound, saline sonogram, or saline infusion sonogram. SIS should be scheduled between days 4 and 10 of the patient's menstrual cycle, when the endometrium is at its thinnest, and physiologic changes during the secretory phase are not present. Hysterosonography (his-tur-o-suh-NOG-ruh-fee), also called a saline infusion sonogram, uses sterile salt water (saline) to expand the uterine cavity, making it easier to get images of submucosal fibroids and the lining of the uterus in women attempting pregnancy or who have heavy menstrual bleeding. Saline-infused sonohysterography (SIS) may help improve visualization of the endometrium and endometrial cavity and assess tubal patency.
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