Uterine Filling Pressure in Hysteroscopy

Status Completed

Clinical Trial Summary

The aim of the study is to compare the outcomes of patients undergoing hysteroscopy with a Myosure device with a pressure of 60 mmHg to those using the standard of 80 mmHg.

Clinical Trial Description

An a priori sample size calculation was completed. To achieve 80% power and an alpha of .05, the study team needed a sample size of 68 total with 34 participants in each group.The study will be a double-blind randomized control trial. Patients will be recruited based on surgery type (hysteroscopy) and consented using a written consent by the research coordinator with sufficient time to ensure patient comprehension and allow for any questions. The consent process will happen in the pre-operative appointment. Participants will then be randomized to either the standard of care of 80mmHg or the experimental pressure of 60 mmHg for uterine filling pressure via an automated randomization program. The physician performing the surgery and the patient will not know what group they are assigned to. The procedure involved in the study will be hysteroscopy. Hysteroscopy is a procedure that is used to diagnose and sometimes treat intrauterine pathologies. In order to visualize the uterus, pressurized saline is used to distend the uterus. In this study, the specific hysteroscopic procedure will involve the removal of uterine fibroids with a MyoSure Hysteroscopic Morcellator device. These tissue samples will be collected and sent to Pathology to be weighed. During the surgery, the surgeon will be able to request an adjustment pressure if visualization is not adequate. Physicians will start with a pressure of 80mmHg. Once physician is ready to introduce the myosure hysteroscopy device, the pressure level will then be randomized. During the procedure, monitoring will be done by anesthesia through the use of pulse oximetry and measurement of vitals during the Monitored Anesthesia Care. There is also real-time monitoring of hysteroscopic fluid deficit via the fluid management system that is attached to the hysteroscopic pump. Fluid deficit can also be confirmed by the nurse who manually counts the amount of fluid used during theprocedure. Per policy, once a 2500mL deficit is reached, the procedure is terminated. After the surgery, the surgeon will fill out a questionnaire that measures the outcomes of surgeon satisfaction and visualization during the procedure. The other end points of procedure time, specimen weight, volume of normal saline used, any changes in pressure needed during the surgery, and whether the patient required Lasix post-operatively will also be collected at this time. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04550429
Study type	Interventional
Source	Northwestern University
Contact
Status	Completed
Phase	N/A
Start date	August 21, 2020
Completion date	September 11, 2023

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.