title: Effect of Blalock Taussig shunt on clinical parameters, left ventricular function and pulmonary arteries.
abstract: Twenty children (mean age 3.25 years) with congenital cyanotic heart disease undergoing modified left Blalock-Taussig (BT) shunt were studied. The mean follow-up period was 9.5 months (range 6 months to 1 year). The shunt was performed for cyanotic spells in 15 (75%) and hypoplastic pulmonary arteries in 5 (25%) patients. There were no immediate or late complications. None had cyanotic spell after the shunt. The mean arterial oxygen saturation improved from 66.47 +/- 11.9 to 76.97 +/- 8.16% (p = 0.0003) and mean hematocrit decreased from 51.55 +/- 9.5 to 46.5 +/- 9.7 (p = 0.002) after the shunt. The left atrial systolic volume and left ventricular diastolic volume also increased significantly following the shunt (from 15.82 +/- 6.37 to 20.83 +/- 8.91 ml p = 0.006 and from 36.13 +/- 16.08 to 41.08 +/- 20.07 ml (p = 0.01) respectively. There was significant growth of main, right and left pulmonary arteries and pulmonary valve annulus after the procedure.
authors.affiliation: Dept of Cardiology, KEM Hospital, Bombay, Maharashtra.
authors.forename: H
authors.initials: H
authors.lastname: Kulkarni
authors.forename: R
authors.initials: R
authors.lastname: Rajani
authors.forename: B
authors.initials: B
authors.lastname: Dalvi
authors.forename: K G
authors.initials: KG
authors.lastname: Gupta
authors.forename: A
authors.initials: A
authors.lastname: Vora
authors.forename: P
authors.initials: P
authors.lastname: Kelkar
mesh_terms: D001783:Blood Flow Velocity; D019917:Blood Vessel Prosthesis Implantation / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D005260:Female; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D010101:Oxygen Consumption; D011138:Polytetrafluoroethylene; D011651:Pulmonary Artery / Q000601:surgery*; D018633:Pulmonary Atresia / Q000000981:diagnostic imaging / Q000601:surgery; D013348:Subclavian Artery / Q000601:surgery*; D016896:Treatment Outcome; D018608:Ultrasonography, Doppler; D016277:Ventricular Function, Left
chemical_list: D011138:Polytetrafluoroethylene