Reducing Hypotensive Anesthesia Use With TXA During Orthognathic Surgery

Status Enrolling by invitation

Clinical Trial Summary

This prospective study will analyze the need for deliberate hypotensive anesthesia (DHA) during orthognathic surgery when tranexamic acid (TXA) is administered. DHA has been proven to be effective although it comes with multiple risks related to organ hypoperfusion including kidney injury, stroke, and cardiac ischemia. Therefore, it may be potentially safer for patients to avoid deliberate hypotensive anesthesia if TXA alone adequately controls blood loss and provides adequate surgical site visualization.

Clinical Trial Description

Our goal is to enroll 50 patients. Patients will be recruited from Dr. Kinard's regularly scheduled orthognathic cases at UAB Highlands Hospital. The patient will be informed of the study in advance and have consent signed pre-operatively. Patients will be evaluated for the following variables: sex, age, weight at time of surgery, preoperative hemoglobin, and preoperative hematocrit. Patients will be included if they are undergoing bimaxillary orthognathic surgery at UAB Highlands Hospital. All patients treated with orthognathic surgery already are provided 1g of TXA perioperatively and this will be continued through this study. All patients will be treated with 1g of TXA perioperatively and the anesthesia team will be instructed to limit deliberate hypotensive anesthesia unless otherwise directed by the surgeon. Perioperative and post-operative measurements will include: estimated blood loss, pre and post-operative hemoglobin, pre and post-operative hematocrit, average mean arterial pressure throughout the case (MAP), maximum MAP (excluding induction and emergence), minimum MAP (excluding induction and emergence), total MAP time under 65 mmHg, length of procedure, and surgeon evaluation of visual field throughout the procedure utilizing Fromme's ordinal scale. Based on these factors, it will help determine the need for deliberate hypotensive anesthesia during orthognathic surgery when tranexamic acid is administered. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05474027
Study type	Interventional
Source	University of Alabama at Birmingham
Contact
Status	Enrolling by invitation
Phase	Phase 4
Start date	November 11, 2022
Completion date	December 2025

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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.