“…The Visick score, the only "overall score" available and validated, correlates well with the most prominent symptom of GERD (heartburn) 19 and with a validated questionnaire 20 for reflux symptoms 21 and was used in this study to score the effect of surgery on symptoms in 4 grades: complete resolution (grade I), improvement (grade II), no effect of surgery (grade III), or deterioration (grade IV), always in comparison with their preoperative state. In addition, the frequency of heartburn, regurgitation, and dysphagia were scored from 0 to 5.…”