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1.
United European Gastroenterol J ; 4(2): 199-206, 2016 Apr.
Article in English | MEDLINE | ID: mdl-27087947

ABSTRACT

BACKGROUND: Evaluation of factors correlating with the quality of bowel preparation (QBP) is critical to ensure high-quality colonoscopy. OBJECTIVES: We sought to determine whether the time interval between the start of conventional polyethylene glycol (PEG) ingestion and the onset of bowel activity is predictive of QBP. METHODS: Consecutive adult outpatients attending colonoscopy were prospectively assessed. Data including demographics, medical history, time of starting/completion of PEG and time when bowel activity started were recorded. The QBP was assessed according to the Ottawa bowel preparation score (OBPS); inadequate QBP was OBPS ≥7. RESULTS: A total of 171 patients (92 males, mean age: 60.5 years) complying with preparation instructions were included. The median OBPS was 5 (range: 1-13) and 57 (33.3%) had inadequate QBP. The median interval between the initiation of PEG and the onset of bowel activity was 60 min (range: 9-300 min). Patients (n = 52, 30.4%) with a delayed (>90 min) onset of bowel activity had poorer QBP (p = 0.0001). In multivariate analysis, male gender (OR: 2.38, p = 0.03), the interval between the end of preparation and the start of colonoscopy (OR: 1.94, p = 0.02) and time to onset of bowel activity >90 min (OR: 3.38, p = 0.004) were predictive of inadequate QBP. CONCLUSION: The time interval between the initiation of PEG ingestion and the onset of bowel activity is predictive of the QBP. Our data support "on demand" intensification of bowel preparation in patients with a delayed onset of purgative response to PEG.

2.
Ann Gastroenterol ; 27(3): 270-272, 2014.
Article in English | MEDLINE | ID: mdl-24975749

ABSTRACT

Systemic mastocytosis is a clonal disorder of the mast cell and its progenitor cell. It is a rare disorder with unknown incidence in Greece, with an estimate of 2 cases per year in Great Britain. We present a case of an asymptomatic, 72-year-old man who was found to have ileocolitis on endoscopy. Histology revealed mast cells in lamina propria >15 HPF and biochemistry showed high levels of serum total tryptase. Molecular testing was positive for the mutation Asp816Val in exon 17 of c-kit gene. The patient met one major and two minor criteria for the diagnosis of systemic indolent mastocytosis (according to WHO classification). He has been treated prophylactically with H1- and H2-histamine receptor antagonists and remains asymptomatic.

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