Flowchart: 84 patients fulfilled the inclusion criteria - 49 survived, 35 died during the 18 months follow up. From the survivors, 30 had a favorable physical outcome, 19 needed assistance. From the initial 84 patient, 47 had at least 3 sonographic follow up investigations. These were included in the diaphragm mobility follow up investigations. This group contains 7 patients who died later during follow up, and 40 who survived (26 patients with a favorable outcome and 14 who needed assistance at the end of the follow-up period).