The rumination syndrome: clinical features rather than manometric diagnosis

MD O'Brien, BK Bruce, M Camilleri - Gastroenterology, 1995 - Elsevier
Background/Aims: Rumination is infrequent in adults of normal mental capacity. Upper
gastrointestinal manometry reportedly confirms the diagnosis. Clinical characteristics, treatment(s)…

Contraception for women with epilepsy

MD O'Brien, J Guillebaud - Epilepsia, 2006 - Wiley Online Library
Antiepileptic drugs that induce hepatic enzyme activity may alter the metabolism of most
hormonal methods of contraception, and this affects the contraceptive regime. This effect should …

Transorbital approach for occluding the middle cerebral artery without craniectomy

MD O'BRIEN, AG Waltz - Stroke, 1973 - Am Heart Assoc
An experimental model of cerebral ischemia and infarction can be produced by occluding a
middle cerebral artery in animals. Most surgical approaches to the artery require removal of …

Greater engagement in gender‐sexuality alliances (GSAs) and GSA characteristics predict youth empowerment and reduced mental health concerns

…, CJ Ceccolini, SB Rosenbach, MD O'Brien… - Child …, 2020 - Wiley Online Library
Extracurricular groups can promote healthy development, yet the literature has given limited
attention to indirect associations between extracurricular involvement and mental health or …

Colonic motility in health and disease

MD O'Brien, SF Phillips - Gastroenterology Clinics, 1996 - gastro.theclinics.com
The human colon is not an essential organ, as demonstrated by the fact that patients can lead
healthy, productive lives after its removal (eg, total proctocolectomy for chronic ulcerative …

How does cerebrovascular disease cause dementia?

MD O'Brien - Dementia and Geriatric Cognitive Disorders, 1994 - karger.com
There are several factors that might be important in the development of dementia due to
cerebrovascular disease. These include the volume of infarcted brain, the bilaterality and …

Motility and tone of the left colon in constipation: a role in clinical practice?

MD O'Brien, M Camilleri… - American Journal of …, 1996 - search.ebscohost.com
Objectives: Colonic motor mechanisms deranged in constipation are not understood completely.
Our aim was to measure left colonic motility and tone, during fasting and postprandially …

Depression, anxiety, and interest in mental health resources in school-based gender-sexuality alliances: implications for sexual and gender minority youth health …

VP Poteat, MD O'Brien, SB Rosenbach, EK Finch… - Prevention …, 2021 - Springer
Schools can be a setting to address mental health needs of sexual and gender minority (SGM)
youth. Gender-Sexuality Alliances (GSAs), as extracurricular support groups, provide an …

Ischemic cerebral edema and the blood-brain barrier: Distributions of pertechnetate, albumin, sodium, and antipyrine in brains of cats after occlusion of the middle …

MD O'Brien, MM Jordan, AG Waltz - Archives of Neurology, 1974 - jamanetwork.com
Distributions of pertechnetate, albumin, sodium, and antipyrine in cat brains were studied four
hours to 20 days after occlusion of one middle cerebral artery (MCA). Brain:blood ratios for …

A pilot study of motility and tone of the left colon in patients with diarrhea due to functional disorders and dysautonomia.

MG Choi, M Camilleri, MD O'Brien… - American Journal of …, 1997 - search.ebscohost.com
Objective: Our aim was to identify qualitative or quantitative colonic motor patterns induced
postprandially in a pilot study of patients with diarrhea due to functional disease or …