Mandibular bone exposure and osteonecrosis as a complication of general anaesthesia

Figures & data

Table 1. Summary of cases in the literature and the present report.

	Age/gender	Location of osteonecrosis	Duration of intubation (hours)	Osteonecrosis visualized by radiography	Symptoms	Onset of symptoms after general anaesthesia	Treatment	Time until healing
Case 1^a	49F	Posterior, right side of mandible	2.5	Yes (CT)	Oral pain	After 1 week	Non-surgical removal of the sequestrum. Chlorhexidine rinse.	Within 1 week
Case 2^a	60M	Posterior, right side of mandible	3	Yes (plain X-ray)	Oral pain	Immediately after recovery	Non-surgical removal of the sequestrum. Chlorhexidine and saline rinse.	2 weeks
Case 3^a	47F	Posterior, right side of mandible	1.5	NA	Oral pain	Immediately after recovery	Non-surgical removal of the sequestrum. Amoxicillin.	NA
Case 4^a	67F	Posterior, right side of mandible	1.75	NA	Soreness and oral pain	After 1 day	Non-surgical removal of the sequestrum. Chlorhexidine rinse.	Within 1 week
Case 1^b	69M	Posterior, right side of mandible	4.5	No (plain X-ray)	Oral pain	Immediately after recovery	Amoxicillin. Chlorhexidine rinse.	6 weeks
Case 2^b	86M	Posterior, right side of mandible	NA	No (plain X-ray)	Oral pain	Immediately after recovery	Phenoxymethylpenicillin. Chlorhexidine rinse.	7 weeks

^aAlmazrooa SA et al, 2010 (1).

^bPresent report.

NA = not available.

Almazrooa SA, Chen K, Nascimben L, Woo SB, Treister N. Case report: osteonecrosis of the mandible after laryngoscopy and endotracheal tube placement. Anesth Analg. 2010;2:437–41.

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