Fig. 4From: Laparoscopic anterior gastropexy for type III/IV hiatal hernia in elderly patientsTwenty-four-hour pH monitoring. The fraction time of pH <4 (%) improved (n = 4) or maintained normal (n = 1) in all 5 patients (a). The DeMeester score improved (n = 3) or maintained normal (n = 1) (b). The remaining 1 patient showed deterioration of DeMeester score (preoperative score 8.8 vs. postoperative score 29.7)Back to article page