OBJECTIVE To estimate the relative risk of recurrence of oral cleft in first degree relatives in relation to cleft morphology. DESIGN Population based cohort study. SETTING Data from the medical birth registry of Norway linked with clinical data on virtually all cleft patients treated in Norway over a 35 year period. PARTICIPANTS 2.1 million children born in Norway between 1967 and 2001, ...

OBJECTIVE To estimate the risk of occurrence of subarachnoid haemorrhage in first degree relatives (parents, siblings, children) of patients with subarachnoid haemorrhage. DESIGN Population based cohort study using data from the Danish National Discharge Registry and the Central Person Registry. SUBJECTS Incident cases of subarachnoid haemorrhage admitted to hospital from 1977 to 1995 (9367...

Of 167 patients with achalasia asked to provide details of swallowing difficulties among their first degree relatives, 159 completed the survey (95% response rate). One thousand and twelve first degree relatives were identified, and 14 were reported to have dysphagia including two with reported achalasia. Review of the case notes of these 14 relatives showed, however, that in none was achalasia...

Physical traits and features, i.e., body build, colour of eye etc. are often utilized in making diagnosis of psychiatric and physical disorders. A study was carried out to investigate the relationship between baldness and mood disorders on psychiatric out patients, Department of Psychiatry, King George's Medical University, Lucknow, and their available first degree relatives. In this study, 371...

objective: schizophrenia and other psychoses have devastating personal and social impacts and many efforts have been devoted to study ‎prodromal syndromes for psychosis in order to achieve earlier detection and interventions. however, only few studies have been ‎performed in developing countries on this subject, and there is a dearth of evidence in the iranian population. in this study, we ‎foc...