Aim — to analyze mid- and long-term results of Warden’s procedure to repair partial anomalous drainage of right pulmonary veins into superior vena cava. Material and methods. The study enrolled 15 patients who underwent surgery for the period from 2008 to 2014. Median age of children by the moment of surgery was 3 (1.3—13.9) years, body weight — 15 (10—58) kg. Besides clinical examination patients underwent electrocardiography (ECG), Holter ECG monitoring according to indications, transthoracic Doppler echocardiography. Anomalous drainage of upper and middle lobar right pulmonary veins into superior vena cava was accompanied by interatrial defect of sinus septum superior type. Z-score of tricuspid valve (TV) was 3.1±0.64, indexed right ventricular end-diastolic volume — 78±18.7 ml/m2. Median postoperative follow-up was 2.5 years (from 2 months to 4.9 years). All operations were performed under CPB of 97±13.3 min, hypothermia 32 °C and Custodiol cardioplegia. Aortic cross-clamping time was 56±9.2 min. Results. By the last survey all children were in ROSS functional class I and did not receive drug therapy. Sinus rhythm was in 15 (100%) patients. AV-blockade I degree was detected in one patient. Median systolic pressure gradient PV/LA — 2 (1-4.5) mm Hg, SVC/RA — 3 (2—7) mm Hg; Z-score of TV — 3.5 (1.29—4.47), indexed RV EDV 31 (24—56) ml/m2. Freedom from redo surgery was 86.7%. Two patients underwent stenting of SVC/RA anastomosis in 751 and 926 days after surgery due to severe SVC stenosis. Peak systolic pressure gradient between SVC and RA appendage was 30 and 22 mm Hg, respectively by the moment of procedure. Conclusion. Our data demonstrate good results of Warden’s procedure to repair partial anomalous drainage of right pulmonary veins into superior vena cava within 4.8 years of postoperative follow-up. The probability of SVC obstruction dictates the need for further improvement of surgical technique and careful observation of operated patients in long-term postoperative period.