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Table 3 Characteristics of infants during the perioperative period (mean ± SD)

From: Short-term results of interventional therapy for infants (7–36 months old) with patent ductus arteriosus and moderate-to-severe pulmonary hypertension: a retrospective study

 PreoperativelyImmediately postoperativelyAt 6 months postoperativelyP
LA diameter (mm)23.57 ± 3.74b20.21 ± 4.63a18.04 ± 2.15 a,b< 0.01
LVEDD (mm)37.21 ± 6.07b32.82 ± 5.37a29.82 ± 4.39 a,b< 0.01
Pulmonary systolic pressure (mmHg)62.89 ± 12.37a,b27.82 ± 7.85a25.57 ± 5.17b0.013
LVEF (%)55.46 ± 1.9555.43 ± 1.7154.18 ± 9.460.628
  1. LA, left atrium; LVEDD, left ventricular end-diastolic dimension; LVEF, left ventricular ejection fraction. Statistical comparisons: ap < 0.05; bp < 0.01.