Fredik Piehl

Learn More
One hundred and forty-nine patients (208 hips) were managed for slipped capital femoral epiphysis at the Hospital for Sick Children in Toronto from 1980 through 1990. We retrospectively reviewed the records of twenty-four patients (twenty-six hips) who had an acute slipped capital femoral epiphysis to evaluate the outcome of treatment and possible risk(More)
A dysregulated immune system influencing pathways for cytokine regulation and growth factor expression is implicated in the pathophysiology of several neuropsychiatric disorders. Here, we analyzed cerebrospinal fluid (CSF) cytokines and growth factors with an ultra-sensitive immunoassay system in 43 medication-free suicide attempters and 20 healthy male(More)
OBJECTIVE We aimed to investigate the role of oxidative stress in the progression of multiple sclerosis (MS). METHODS We determined by liquid chromatography-tandem mass spectrometry nonenzymatic (F2-isoprostanes) and enzymatic oxidation products of arachidonic acid (prostaglandin F2α [PGF2α]) in plasma and CSF of 45 controls (other neurologic disease(More)
The dysregulation of inflammation has been associated with depression and, more recently, with suicidal behaviors. The reports regarding the relationship between interleukin-6 (IL-6) and suicide attempts are inconsistent. Personality traits such as impulsivity and aggression are considered endophenotypes and important factors that underlie suicidal(More)
  • 1