[Examination for deep vein thrombosis in the Iwate Sanriku coastal area stricken by the Great East Japan Earthquake Disaster in 2011--measurement of D-dimer using POCT apparatus].

After the Great East Japan Earthquake Disaster in 2011, examinations for below the-knee deep vein thrombosis (BK-DVT) were carried out to prevent victims from secondary health damage by Iwate Prophylactic Examination Organization from economy-class syndrome. In this examination, D-dimer was measured using cobas h 232, a point-of-care testing (POCT) apparatus, in addition to medical interview, blood pressure measurement, and lower limb vein sonography. In the BK-DVT examination carried out in Tanohata in October and in Miyako in November 2012, the BK-DVT-positive number(percentage) in lower limb vein sonography was six (13.