Table 2. New thromboembolic events (n =... | American Society of Hematology

Table 2.

New thromboembolic events (n = 7) in patients with ITP who developed a platelet count <50 × 10⁹/L while receiving AC and their TH2 scores

Patient	Initial TH2 score	AC decision after initial encounter	Repeat TH2 score*	AC decision after repeat encounter	Thrombotic event
1	Negative	Withheld	Positive	Withheld	Fatal ischemic stroke
2	0	Withheld	Positive	Withheld	Fatal PE
3	0	Withheld	Positive	Resumed	Ischemic stroke†
4	Negative	Withheld	Positive	Withheld	Iliac artery thrombus
5	Negative	Continued	0	NA	Arterial and venous limb thrombus‡
6	Negative	Withheld	Positive	Resumed	Arterial limb thrombus
7	0	Withheld	Positive	Resumed	Ischemic stroke†

Patient	Initial TH2 score	AC decision after initial encounter	Repeat TH2 score*	AC decision after repeat encounter	Thrombotic event
1	Negative	Withheld	Positive	Withheld	Fatal ischemic stroke
2	0	Withheld	Positive	Withheld	Fatal PE
3	0	Withheld	Positive	Resumed	Ischemic stroke†
4	Negative	Withheld	Positive	Withheld	Iliac artery thrombus
5	Negative	Continued	0	NA	Arterial and venous limb thrombus‡
6	Negative	Withheld	Positive	Resumed	Arterial limb thrombus
7	0	Withheld	Positive	Resumed	Ischemic stroke†

PE, pulmonary embolism.

Repeat TH2 score once platelet count improved >50 × 10⁹/L.

Subtherapeutic international normalized ratio after resumption of warfarin.

Cancer-associated thrombosis on warfarin (metastatic squamous cell cancer).