Recurrent arterial and venous thrombosis in a 16-year-old boy in the course of primary antiphospholipid syndrome despite treatment with low-molecular-weight heparin: a case report

Table 1 Results of laboratory tests performed during the consecutive hospital stays and follow up

Date of test	Hgb g/dL	Hct %	WBC g/L	Platelets mm³	CRP mg/L	APTT seconds (N/27–41)	PT index % (N/80–120)	PT time seconds (N/11–15)	D-dimers μg/mL (N<0.5)	INR (N/0.8–1.2)	Fibrinogen mg/dL (N/200–400)
February 28 2011	13.8	40.0	9.6	131.000	4.54	64.7	94.6	14.1	0.33	-	-
March 10 2011	14.4	43.2	5.6	145.000	6.1	Markedly prolonged*	-	14.1	0.33	1.0	312.0
May 16 2011	14.6	41.6	5.1	169.000	2.1	161.0	70.27	15.7	0.19	1.12	301.27
							Follow up
Jun 22 2012	14.9	43.1	4.8	202.000	0.7	82.7	-	18.2	1.21	1.76	332.0

Abbreviations: APTT activated partial thromboplastin time, CRP C-reactive protein, Hct hematocrit, Hgb hemoglobin, INR international normalized ratio, N normal range, PT prothrombin, WBC white blood cells.
* up to values that could not be determined by laboratory methods.

ISSN: 1752-1947