Patients undergoing oral and oral surgery surgery under general anesthesia
Conditions
Interventions
Blood aversion with mean blood pressure + pulse pressure
Blood aversion at average blood pressure
Blood abolition at the pressure of mean blood pressure - pulse pressure/2
Sponsors
Asahi General Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients undergoing minor dental surgery (surgeries within 4 hours, such as wisdom tooth extraction, jawbone cyst removal, and benign tumor removal) at our dental/oral and oral surgery department. In addition, patients who meet all of the following conditions will be targeted. 1) Target patient age: 20-39 years old 2) Gender: Regardless of gender 3) Past medical history/severity of comorbidities: Those who have been evaluated as Class I or II in the Physical status (ASA-PS classification) defined by the American Society of Anesthesiologists (ASA). 4) Inpatient/Outpatient: All inpatient cases. To check if there are any effects from postoperative studies. 5) Surgery/anesthesia: Surgery completed as planned without requiring blood transfusion due to heavy bleeding. 6)Patients who have received sufficient explanation and informed written consent of their own free will to participate in this study.
Exclusion criteria
Exclusion criteria: 1) Past medical history: Those who have been diagnosed with hypertension, blood disease, hyperlipidemia, or heart disease, whether present or in the past. 2) Oral medications: Those using antihypertensive drugs, blood flow improving drugs, ischemic heart disease treatment drugs, antiplatelet drugs, and anticoagulants. (Patients who had previously stopped taking medication for this surgery are also considered to be on medication) 3) Conditions of the upper arm: Conditions in which it is difficult to avascularize the upper arm. 4) Surgery time: Surgery time exceeds 4 hours. 5) Surgery/anesthesia: Surgery that differed from the planned procedure and required blood transfusion due to massive bleeding. 6) Other patients deemed unsuitable as research subjects by the research director (co-investigator)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vein cross-sectional area | — |
Countries
Japan
Contacts
Public ContactYukii Kojima
Asahi General Hospital Department of Anesthesiology
Outcome results
None listed