Sodium Picosulphate/Magnesium Citrate and Low-volume PEG -Ascorbic Acid as Preparation for Colonoscopy

Inclusion Criteria: * adult outpatients * aged 18-85 years * undergoing elective colonoscopy Exclusion Criteria: * previous colon resection * ileus * intestinal obstruction * toxic megacolon * severe heart failure (New York Heart Association \[NYHA\] Class III or IV) * acute cardiovascular disease * uncontrolled arterial hypertension (systolic pressure \> 170 mmHg, diastolic pressure \> 100 mmHg) * severe liver failure or ascites * end-stage renal failure * phenylketonuria * glucose-6-phosphate dehydrogenase deficiency. Women were excluded from the study if they were pregnant, breastfeeding