Acquired hemophilia A following choledochal cyst excision - highlighting postoperative bile leak and infection as potential triggers: A case report

Table 1 Key laboratory values (activated partial thromboplastin time, factor VIII activity, factor VIII inhibitor titer, etc.) at critical time points

Timeline	APTT (s)	APTT ratio	FVIII activity (%)	FVIII inhibitor (BU/mL)	Hemoglobin (g/L)
Admission	58.4	2.23			75
The day of First embolization	58.3	2.16			69
2 days after First embolization	51.1	1.95			76
The day of Second embolization	53.8	2.05			73
2 days after Second embolization	68	2.52	0.9	2.08	51
The day before Plasma exchange	60.4	2.21	2.2		58
1 day after plasma exchange	49.4	1.55	4.6	0.97	72
8 days after plasma exchange	58	2.03	21.5	0.85	61
The day of last plasma exchange	26.8	0.99			86
Pre-discharge	32.3	1.2			87

APTT: Activated partial thromboplastin time; FVIII: Factor VIII.