Late results after resection of discrete and tunnel subaortic stenosis.

  title={Late results after resection of discrete and tunnel subaortic stenosis.},
  author={Giovanni Stellin and Alessandro Mazzucco and Uberto Bortolotti and Enrico Tiso and Luciano Daliento and Giuseppe Maraglino and A. F. Milano and Giuseppe Faggian and Giulio Rizzoli and Vincenzo Gallucci},
  journal={European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery},
  volume={3 3},
  pages={235-9; discussion 240}
From May 1969 to June 1988, 84 consecutive patients ranging in age from 6 months to 61 years (mean 18 years) underwent surgery for fixed subaortic stenosis (SAS). A discrete fibrous or fibromuscular structure was present in 81 patients, while 3 presented with a tunnel type of obstruction. SAS was treated by sharp resection of the tissue and routine myotomy or myectomy of the hypertrophied left ventricular (LV) muscle (57 patients, group 1), while more recently, the lesion was treated by simple… CONTINUE READING