Suspected Sugammadex Hypersensitivity following Repeated Administration in the Setting of Multiple Flap Takebacks in a Brief Timespan

Table 1

Arterial blood gases from the third operation.

Labs	T1^a	T2^b	T3^c
pH	7.32	7.20	7.26
pCO2 (mmHg)	47.0	54.0	54.0
pO2 (mmHg)	157.0	61.0	173.0
Hgb (g/dL)	7.5	7.1	7.1
K^+ (mmol/L)	3.6	4.1	4.2
Na^+ (mmol/L)	138	142	141
BE (mmol/L)	−1.9	−6.5	−5.3
Glucose (mmol/L)	129	155	182
Lactate (mmol/L)	0.8	1.3	1.1

^aT1 is intraoperative during the second takeback, mechanically ventilated with FiO₂ of 75%. ^bT2 is obtained at 24 minutes following sugammadex administration and onset of acute hypoxia, manually ventilated with FiO₂ of 100%. ^cT3 is postoperative when the patient had stabilized and was admitted to the ICU, mechanically ventilated with FiO₂ of 100%. BE: base excess.