“…38 In retrospective studies and in those in which the method for data collection is not stated, complication rates are presented in the range of 0%-7.5% major and 5.6%-15.2% minor complications for any procedure, 8,9,23,28,31,36 and for TLRs there were 0%-7% major complications and 0%-21.8% minor complications. 5,6,18,19,23,26,29,30,34,36,37 In pediatric cohorts, 0%-14.6% major and 5.2%-19% minor complications are presented for various kinds of procedures. 3,4,7,20,33 In a systematic review of 76 studies in which different methodologies were used, Hader et † This includes 1 patient with thalamic infarction due to perforating artery injury, 1 patient with air embolism, and 1 patient with permanent postoperative anosmia.…”