Tero Vahlberg

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BACKGROUND Patients with amnestic mild cognitive impairment (MCI) have greater risk of conversion to Alzheimer disease (AD). Increased brain amyloid burden in AD and MCI has been demonstrated with PET using [(11)C] Pittsburgh compound B (PiB) as a tracer. OBJECTIVE To evaluate change in β-amyloid deposition in with MCI during 2-year follow-up. METHODS(More)
BACKGROUND AND AIMS The aim of this study was to test the validity of the Finnish version of the Internet Addiction Test and the correlates of harmful use of the Internet. METHODS One thousand eight hundred and twenty-five students (45.5% men and 54.5% women, mean age 24.7 years, S.D.=5.7) filled in a web-based questionnaire including IAT, reasons for use(More)
AIM The aim of this study was to evaluate the antithrombotic treatment adopted after coronary stenting in patients requiring long-term anticoagulation. METHODS AND RESULTS We analysed retrospectively all consecutive patients on warfarin therapy (n = 239, mean age 70 years, men 74%) who underwent percutaneous coronary intervention (PCI) in 2003-04 in six(More)
OBJECTIVE To assess whether intrapartum acidosis affects specific components of fetal heart rate variability. DESIGN Prospective clinical study. SETTING Twelve Nordic delivery units. SUBJECTS Fetal heart rate variability was studied in 334 fetuses divided into two groups according to cord pH value: the acidotic group (cord arterial pH < 7.05 at birth,(More)
BACKGROUND The high mortality of hip fracture patients is well documented, but sex- and cause-specific mortality after hip fracture has not been extensively studied. The purpose of the present study was to evaluate mortality and cause of death in patients after hip fracture surgery and to compare their mortality and cause of death to those in the general(More)
OBJECTIVES To estimate the prevalence of decreased kidney function in an elderly population and to evaluate the impact of using alternative markers of glomerular filtration rate (GFR), focusing on serum cystatin C (Cys C) and the Modification of Diet in Renal Disease (MDRD) Study prediction equation. DESIGN AND METHODS In a cross-sectional community-based(More)
The proliferative capacity of a tumor as measured by Ki-67 nuclear antigen is one of the most powerful indicators of tumor behavior. Ki-67 is considered a useful tool in determining the aggressiveness of malignant neoplasms. p53 tumor suppressor gene mutations have been linked with the development and progression of a number of various cancer types. p53(More)
OBJECTIVE To study seroprevalence and incidence and fetal transmission of varicella zoster virus (VZV), cytomegalovirus (CMV), herpes simplex virus (HSV) types 1 and 2 and parvovirus B19 infections during pregnancy and to evaluate the reliability of maternal past history of VZV, HSV and parvovirus infections. DESIGN Prospective study of parturient women.(More)
INTRODUCTION Impulse control disorders occur frequently in patients with Parkinson's disease. However, the frequencies have been investigated mainly in patients from secondary or tertiary care centers, and thus, the prevalence rates in general community are not known. OBJECTIVE Our objective was to study the prevalence rates of impulse control disorders(More)
BACKGROUND Early stage patients with Parkinson's disease (PD) show cognitive impairment in frontal lobe functions and memory tests. Hippocampal atrophy is seen in medicated patients with advanced PD. OBJECTIVES To examine whether prefrontal or hippocampal atrophy are already present in early stage PD, and whether such atrophy is associated with cognitive(More)