Kevin W. Olden

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Cyclic vomiting syndrome (CVS) was initially described in children but can occur in all age groups. Cyclic vomiting syndrome is increasingly recognized in adults. However, the lack of awareness of CVS in adults has led to small numbers of diagnosed patients and a paucity of published data on the causes, diagnosis and management of CVS in adults. This(More)
This report reviews recent research on the psychosocial aspects of the functional gastrointestinal disorders (FGIDs). A review and evaluation of existing literature was conducted by a multidisciplinary committee of experts in this field. This report is a synopsis of a chapter published in the Rome III book. The committee reached consensus in finding(More)
This clinical review on the treatment of patients with gastroparesis is a consensus document developed by the American Motility Society Task Force on Gastroparesis. It is a multidisciplinary effort with input from gastroenterologists and other specialists who are involved in the care of patients with gastroparesis. To provide practical guidelines for(More)
The psychosocial aspect of functional gastrointestinal disorders have a long and complicated investigative history. Emerging from the 1930s when the observations of individual investigators and clinicians was the norm we have evolved in the last 25 years to an increasingly sophisticated era of scientific observation using standardized nosology, validated(More)
Somatosensory amplification is the tendency to report somatic sensations as intense and disturbing. Alexithymia is a personality construct characterized by difficulty recognizing emotions and a tendency to focus on external events and bodily sensations. The association of somatosensory amplification and alexithymia with functional symptoms was assessed in(More)
Functional gastrointestinal disorders (FGID) are common conditions, with well-established diagnostic criteria. They are associated with impaired health-related quality of life and increased societal and healthcare costs. Their symptoms are probably related to altered 5-HT transmission and central processing of noxious visceral stimuli. Evaluation and(More)
The authors describe a model for an effective partnership between a large health maintenance organization and a fee-for-service acute inpatient psychiatric unit. They present data from five years of experience with the model on a unit serving a catchment area of one million plan members. The model, which is based on "facilitated" care rather than managed(More)
Adderall (dextroamphetamine/amphetamine) is a widely prescribed medicine for the treatment of attention-deficit/hyperactivity disorder (ADHD) and is considered safe with due precautions. Use of prescribed Adderall without intention to overdose as a cause of acute liver injury is extremely rare, and to our knowledge no cases have been reported in the English(More)
Irritable bowel syndrome (IBS) causes gastrointestinal symptoms such as abdominal pain, bloating, and bowel pattern abnormalities, which compromise patients' daily functioning. Common therapies address one or two IBS symptoms, while others offer wider symptom control, presumably by targeting pathophysiologic mechanisms of IBS. The aim of this targeted(More)
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