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[Anesthetic management of a patient with osteogenesis imperfecta congenita]
Insights
Anesthetic management for osteogenesis imperfecta requires careful sedation and monitoring. Regional anesthesia is preferred due to risks of hyperthermia with inhaled agents like halothane and enflurane.
Area of Science:
- Anesthesiology
- Pediatric Anesthesia
- Genetics
Background:
- Osteogenesis imperfecta (OI) presents unique challenges in anesthetic management, particularly in pediatric patients.
- The disease involves bone fragility and potential systemic complications affecting anesthesia choices.
Observation:
- Three pediatric cases of OI undergoing surgical procedures are presented.
- Case 1: A 2-year-old boy required intramuscular ketamine for induction after intrarectal chloral hydrate. Case 2: A 4-year-old girl experienced hyperthermia during halothane and enflurane anesthesia in two of three surgeries. Case 3: A 14-year-old female had successful anesthesia with a brachial plexus block.
Findings:
- Preoperative sedation is crucial for managing patient anxiety in OI.
- Inhaled anesthetic agents (halothane, enflurane) are associated with a risk of abnormal hyperthermia in OI patients.
- Regional anesthesia, as demonstrated in Case 3, offers a safer alternative with no anesthetic complications.
Implications:
- Anesthesiologists should exercise caution when using volatile anesthetics in patients with osteogenesis imperfecta.
- Regional anesthesia techniques should be considered as a primary anesthetic modality for OI patients.
- Further research into the specific mechanisms of hyperthermia in OI under anesthesia is warranted.
Abstract:
We experienced anesthetic management of three cases of osteogenesis imperfecta. Case 1: A 2-year-old boy weighing 8.6 kg was premedicated with chloral hydrate 250 mg intrarectally, but he was very excited on arrival at the operating room. Induction of anesthesia was performed by intramuscular injection of ketamine 40 mg. Case 2: A 4-year-old girl underwent three surgeries (2 osteomies and 1 intramedullary nailing of the tibias) during the past two years. On the second and third procedures, marked hyperthermia (over 39.2 degrees C as rectal temperature) developed during halothane (1-2%) and enflurane (1.5-2.5%) anesthesia. However, on the first surgery, hyperthermia did not occur under combined light halothane (0.3-0.5%) anesthesia with caudal epidural block. Case 3: A 14-year-old female underwent osteotomy of the radius under brachial plexus block without any anesthetic complications. In conclusion, anesthetic considerations for children with this disease are as follows; 1) It is necessary to premedicate to provide good preoperative sedation. 2) Care should be taken to use inhaled anesthetic agents (halothane and enflurane) because of tendency to develop abnormal hyperthermia. 3) It is desirable to use regional anesthesia.