Ultrasound-guided Bilateral Suprazygomatic Maxillary Nerve Block and Bimaxillary Osteotomy
Dentofacial Deformities, Regional Anesthesia Morbidity
About this trial
This is an interventional treatment trial for Dentofacial Deformities focused on measuring Orthognathic Surgery, Maxillary nerve blockade
Eligibility Criteria
Inclusion Criteria:
- patients who undergo scheduled bimaxillary surgery
Exclusion Criteria:
- the refusal to participate in the study,
- patients who are scheduled for bimaxillary surgery together with another complementary surgical procedure (such as mentoplasty, rhinoplasty, blepharoplasty),
- age <18 years,
- reinterventions,
- urgent surgeries,
- allergies to local anesthetics,
- allergies to anti-inflammatories agents,
- allergies to opioids,
- American Society of Anesthesiologists Physical Status Classification (ASA) ≥3
Sites / Locations
- Centro Medico Teknon - Grupo Quirón Salud
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Control Group
Study Group
Infiltration performed by the surgeon at the intraoral and intranasal submucosal level in the maxilla (blockage of terminal branches of the maxillary nerve) after intubation and previous to surgical incision. A total of 50ml of the following preincisional mixture is infiltrated: ½ amp Adrenaline + 1amp Lidocaine 2% in physiological saline (SF) 100ml.
Bilateral ultrasound-guided maxillary nerve block by suprazygomatic route after intubation and previous to surgical incision performed by the anesthesiologist. A total of 5ml of Ropivacaine 0.37% infiltrated on each side.