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Running head: EXTENDED LITERATURE REVIEW: IBS DIAGNOSIS AND1Extended Literature Review: IBS diagnosis and treatmentJackeline SanchezWest Coast University
EXTENDED LITERATURE REVIEW: IBS DIAGNOSIS AND2Extended Literature Review: IBS diagnosis and treatmentIrritable bowel syndrome is characterized by a symptom complex of abdominal pain and abnormal bowel habits that present as diarrhea or constipation, and general physical weakness in the absence of abnormal morphological, histological or inflammatory markers (Grundmann & Yoon, 2009, para. 1). The statistical numbers of IBS in the worldwide population vary per reference, but all stay around the same range. According to Grundmann and Yoon, 3-20% of the population suffers from this syndrome. International Foundation for Functional Gastrointestinal Disorders (IFFGD) states that 10-15% of individuals are affected, and Saha states that 9-23% is affected by IBS. All three articles agree that irritable bowel syndrome can be diagnosed by evaluating presenting symptoms and comparing them to other gastrointestinal disorders. This allows proper awareness towards treatment and management rather than the unnecessary and costly detection of other diagnosis. Diagnosis of irritable bowel syndrome is based on signs and symptoms and a complete initial evaluation of any other abnormalities. Symptoms include abdominal pain, bloating, straining, urgency, myalgias, and weakness. There are three predominant subtypes of irritable bowel syndrome which consists of IBS with constipation (IBS-C), IBS with diarrhea (IBS-D); and mixed IBS (IBS-M). These predominant subtypes of IBS are known as the Rome IV