Scandinavian journal of gastroenterology · 2024
Disaccharidase deficiencies and gastrointestinal symptoms in patients referred to gastroscopic examination: a single center study from Norway.
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Dale Hanna Fjeldheim, Hagen Milada, Bekkelund Mattis, Deb Chirajyoti, Valeur Jørgen
Аннотация
OBJECTIVE: Gastrointestinal illnesses have been reported in relation to low disaccharidase activity, yet both the prevalence of disaccharidase deficiency and its association with gastrointestinal symptoms and irritable bowel syndrome (IBS) are largely unknown. We aimed to determine the association between low activity of disaccharidase enzymes on gastrointestinal symptoms and presence of IBS.
METHODS: Patients referred for gastroscopic examination due to gastrointestinal complaints were consecutively included. A pinch biopsy was taken from the distal part of duodenum, and disaccharidase activity was measured using the Dahlqvist method. Gastrointestinal symptom severity was measured using IBS-Symptom Severity Score (IBS-SSS).
RESULTS: A total of 40 patients were included. Disaccharidase deficiency was detected in 24 patients (60%). Half of the patients (n = 21) had IBS according to Rome IV criteria. A majority (75%) of all patients reported moderate to severe gastrointestinal symptoms. Moderate to severe gastrointestinal symptoms were reported by 16 patients (67%) with disaccharidase deficiency and in 14 patients (88%) with normal disaccharidase activity. Lactase deficiency was detected in 22 patients (55%), maltase deficiency in 11 patients (28%), sucrase deficiency in 9 patients (23%), isomaltase deficiency in 13 patients (33%) and glucoamylase deficiency in 12 patients (30%). The activity of all enzymes was reduced in 8 patients (20%). Degree of disaccharidase deficiency was not associated with either the severity of gastrointestinal symptoms or the diagnosis of IBS. Enzymes levels were not associated with gastrointestinal symptom scores.
CONCLUSION: Our findings did not reveal any association between biochemically measured disaccharidase deficiency and gastrointestinal symptoms or the presence of IBS.
METHODS: Patients referred for gastroscopic examination due to gastrointestinal complaints were consecutively included. A pinch biopsy was taken from the distal part of duodenum, and disaccharidase activity was measured using the Dahlqvist method. Gastrointestinal symptom severity was measured using IBS-Symptom Severity Score (IBS-SSS).
RESULTS: A total of 40 patients were included. Disaccharidase deficiency was detected in 24 patients (60%). Half of the patients (n = 21) had IBS according to Rome IV criteria. A majority (75%) of all patients reported moderate to severe gastrointestinal symptoms. Moderate to severe gastrointestinal symptoms were reported by 16 patients (67%) with disaccharidase deficiency and in 14 patients (88%) with normal disaccharidase activity. Lactase deficiency was detected in 22 patients (55%), maltase deficiency in 11 patients (28%), sucrase deficiency in 9 patients (23%), isomaltase deficiency in 13 patients (33%) and glucoamylase deficiency in 12 patients (30%). The activity of all enzymes was reduced in 8 patients (20%). Degree of disaccharidase deficiency was not associated with either the severity of gastrointestinal symptoms or the diagnosis of IBS. Enzymes levels were not associated with gastrointestinal symptom scores.
CONCLUSION: Our findings did not reveal any association between biochemically measured disaccharidase deficiency and gastrointestinal symptoms or the presence of IBS.