Assessment of the bleeding in ortognatic surgery.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Patients = 18 and = 65 years old. • Classification ASA (American Society of Anesthesiologists) I or II. • orthognathic surgery scheduled bimaxillary • Signed informed consent Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 100 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range
Exclusion criteria
Exclusion criteria: • Patients who do not wish to consent to participate in the study. • Hemodynamic instability determined by the need for continuous infusion of inotropic or vasopressor. • Severe heart disease (Grades III and IV, NYHA) • Kidney disease (creatinine clearance = 30 mL / min) • Liver disease (Grade C Child-Pugh). • Diabetes Mellitus Type I or II compensated or decompensated. • Previous surgery in the surgical field including orthognathic surgery. • Patients with treatments or diseases affecting the coagulation cascade or platelet aggregation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Main Objective: Quantification of blood loss in orthognathic surgery comparing Propofol against Sevoflurane.;Primary end point(s): Total intra-operative bleeding or surgical difficulty (subjective);Timepoint(s) of evaluation of this end point: At the end of surgery.;Secondary Objective: To compare the incidence of adverse events, especially the appearance of postoperative nausea and vomiting between the two drugs. Evaluation of postoperative facial edema. Assess the immediate and late postoperative pain. Evaluation of bleeding in surgical field according to the scale of Fromme. Assessing the degree of patient satisfaction. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary end point(s): Demographic variables: •Age • Sex •Weight •Height • Body Mass Index Time variables: • Duration of surgery • Duration of anesthesia Anesthetic variables: • Mean arterial pressure (MAP) • Systolic blood pressure (SBP) • diastolic blood pressure (DBP) • Total dose administered per kg weight of intraoperative remifentanil and opioids.;Timepoint(s) of evaluation of this end point: At the start of the study: Demographic variables. At the end of surgery: Time and anesthetic variables. | — |
Countries
Spain
Contacts
Servicio de Anestesiología y Reanimación