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Table 2 Features and treatment of patients with recurrent thrombotic or obstetric events

From: Pediatric antiphospholipid syndrome: clinical features and therapeutic interventions in a single center retrospective case series

Pt

Age first event (years)

APS type

Triple + aPL

First event

Initial treatment

Time to recurrence (months)

Recurrent event

AC prescribed at time of recurrence

Adherence to AC treatment

5

14

2°, Thr

Yes

Splenic infarctiona

LDA

7.6

Renal TMAb

LDA

Yes

8

17

2°, Thr

Yes

Myocardial infarctionb

Fondaparinux and LDA

80.5

Cardiac thrombusd

LDA; apixaban recently discontinued

Yes

11

16

1°, Thr

Yes

PE, lower extremity DVTc

Warfarin

59.0

Lower extremity DVTc

Warfarin

No (loss of health insurance)

13

16

2°, Thr

No

Lower extremity DVTc

Warfarin (planned for 3 months)

19.4

Lower extremity DVTd

None

-

      

62.1

Lower extremity DVTd

Rivaroxaban

No (patient reported)

14

18

2°, Obs

No

HELLP, Pre-eclampsia, thrombotic vasculopathy of placenta and skind

LMWH – prophylactic dose

4.6

Early pregnancy lossd

LMWH – prophylactic dose

Yes

16

10

2°, Thr

No

CVA, renal infarctiond

LMWH

23.4

CVAd

LMWH

No (physician reported)

18

12

1°, Thr

Yes

Liver lesions with small-vessel thrombotic vasculopathy d

LMWH

3.0

PEd

LMWH

No (family reported)

19

15

1°, Thr

Yes

Lower extremity DVTc

LMWH transitioned to warfarin

36.8

Portal vein thrombosis d

Warfarin

No (physician reported)

      

74.8

CVAd

Warfarin

No (physician reported)

20

17

1°, Thr

No

Lower extremity DVTc

LMWH

2.0

PEc

None (suspected medication interaction on LMWH)

-

      

2.9

PEc

Warfarin (subtherapeutic) transitioning to LMWH

Yes

      

4.0

PEd

LMWH

No (physician reported)

      

11.6

PE with secondary pulmonary infarctiond

Fondaparinux and LDA

Yes

  1. Pt Patient number, AC Anticoagulation, Primary AOS, Secondary APS, Obs Obstetric, Thr Thrombotic, LDA Low dose aspirin, TMA Thrombotic Microangiopathy, PE pulmonary embolism, DVT Deep Vein Thrombosis, HELLP Hemolysis, Elevated Liver enzymes, Low Platelet count syndrome, LMWH Low molecular weight heparin (enoxaparin), CVA cerebrovascular accident. a2000-2004, b2005-2009, c2010-2014, d2015-2020