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Table 2 Results of telephone monitoring and administration of 5-item-questionnaire, echocardiography, cardiopulmonary exercise testing and further evaluation confirming CTEPH

From: A symptom-related monitoring program following pulmonary embolism for the early detection of CTEPH: a prospective observational registry study

  Visit 1, 3 months Visit 2, 6 months Visit 3, 12 months
  N(%) N(%) N(%)
Telephone calls 130 102 58
5-Item-Questionnaire positiv 49 (37.7%) 26 (25.5%) 17 (29,3%)
Outpatient visits 49 26 17
Echocardiography, n = 49 n = 26 n = 16
RVSP >/=35 mm Hg 10 (20.4%) 3 (11.5%) 3 (18.8%)
REVSP < 35 mm Hg/ not detectable 39 (79.6%) 23 (88.5%) 13 (81.25%)
Cardiopulmonary exercise testing, n = 34 n = 15 n = 9
Abnormal pulmonary perfusion suspected 12 (35.28%) 4 (26.7%) 1 (11.1%)
Further evaluation 21 7 4
CTEPH/CTPVD proven per visit 5(3.85)/2(1.5%) 3(2.94/1(0.98%) 0/0.0%)
CTEPH/CTPVD proven, all patients 5(3.85%)/2(1.5%) 8(6.2%)/3(2.3%) 8(6.2%)/3(2.3%)
  1. 26 months after the start of the program 130 patients had passed 3-months follow-up, 102 patients had completed 6 months follow-up and 58 patients had passed twelve months-follow-up.