John Olver

Bio: John Olver is an academic researcher from Monash University. The author has contributed to research in topics: Rehabilitation & Traumatic brain injury. The author has an hindex of 25, co-authored 103 publications receiving 3189 citations. Previous affiliations of John Olver include Bethesda Hospital & Alfred Hospital.

Outcome following traumatic brain injury: a comparison between 2 and 5 years after injury.

Abstract: This study examined long-term outcome in traumatically brain-injured individuals following discharge from a comprehensive rehabilitation programme. Of 254 traumatic brain injury (TBI) patients reviewed at 2 years, 103 have been followed up at 5 years using a structured interview format detailing neurological symptoms, mobility, independence in ADL, productivity status, relationship issues, communication and the presence of cognitive, behavioural and emotional changes. Visual difficulties, headache and fatigue were persistent in a significant number of patients. Between 2 and 5 years there was increased independence in personal, domestic and community ADL and the use of transport. Ten more patients had returned to driving. On the other hand there was a slightly higher incidence of cognitive, behavioural and emotional changes reported at 5 years. Thirty-two per cent of those working at 2 years were not employed at 5 years. Many students had also become unemployed. These findings suggest the need for intermittent lifelong intervention following TBI. Systems of rehabilitation need to be adapted to provide this.

Longitudinal Follow-Up of Patients with Traumatic Brain Injury: Outcome at Two, Five, and Ten Years Post-Injury

Abstract: The deleterious consequences of traumatic brain injury (TBI) impair capacity to return to many avenues of pre-morbid life. However, there has been limited longitudinal research examining outcome beyond five years post-injury. The aim of this study was to examine aspects of function, previously shown to be affected following TBI, over a span of 10 years. One hundred and forty one patients with TBI were assessed at two, five, and 10 years post-injury using the Structured Outcome Questionnaire. Fatigue and balance problems were the most common neurological symptoms, with reported rates decreasing only slightly during the 10-year period. Mobility outcomes were good in more than 75% of patients, with few participants requiring aids for mobility. Changes in cognitive, communication, behavioral, and emotional functions were reported by approximately 60% of the sample at all time points. Levels of independence in activities of daily living were high during the 10-year period, and as many as 70% of subjects returned to driving. Nevertheless, approximately 40% of patients required more support than before their injury. Only half the sample returned to previous leisure activities and fewer than half were employed at each assessment time post-injury. Although marital status remained stable over time, approximately 30% of participants reported difficulties in personal relationships. Older age at injury did not substantially alter the pattern of changes over time, except in employment. Overall, problems that were evident at two years post-injury persisted until 10 years post-injury. The importance of these findings is discussed with reference to rehabilitation programs.

A profile of outcome: 2 years after traumatic brain injury

Abstract: A group of 175 traumatic brain injury (TBI) patients who had undergone intensive rehabilitation at Bethesda Hospital attended a follow-up interview 2 years after injury. The majority of patients had suffered severe TBI. Outcome was documented in ten areas: medical/physical, mobility, activities of daily living (ADLs) accommodation, marital status, leisure and recreation, employment/study, communication, cognition and behaviour. Whilst most patients were physically independent and competent in personal and domestic activities of daily living, a third of the group were still reliant on assistance with community skills and transport, and more than half of those who previously had a job, were not working at 2 years post-injury. Around two-thirds of the sample reported cognitive, behavioural and emotional changes. There is clearly a need for ongoing community-based support and assistance in dealing with practical difficulties and psychological problems as they are experienced after return to the community.

Long-term adjustment of families following traumatic brain injury where comprehensive rehabilitation has been provided

Abstract: Objectives : The present study aimed to examine long-term family and emotional adjustment in close relatives of individuals with TBI, who had access to comprehensive rehabilitation services. It also examined the relative influence thereon of factors including injury severity, handicap and cognitive and behavioural changes in the injured person, relationship with the injured person and caregiver status. Methods : Participants were 143 TBI individuals and their close relatives. They completed the Family Assessment Device (FAD), Leeds Scales of Anxiety and Depression, Structured Outcome Questionnaire, CHART, SIP Psychosocial Dimension and Novaco Anger Control Questionnaire 2-5 years post-injury. Results : Results showed that families were, on average, functioning in the normal range on the FAD. Anxiety and depression were more likely to be present in those responsible for care of their injured relative. There were no differences between spouses and parents. Presence of cognitive, behavioural and emotional ch...

Prediction of employment status 2 years after traumatic brain injury

Abstract: The present study used a multivariate approach to investigate which of a range of variables relating to demographic factors, injury severity and degree of disability on admission to rehabilitation were the best predictors of employment status 2 years after traumatic brain injury (TBI). Subjects were 74 TBI patients who had been working prior to injury, had undergone rehabilitation at Bethesda Hospital and attended a review clinic 2 years after injury. A cross-validation sample consisted of a further 50 such subjects. Following preliminary analysis four input variables were selected: age under or over 40 at time of injury, Glasgow Coma Scale score on acute hospital admission, duration of post-traumatic amnesia and total score on the Disability Rating Scale (DRS) on admission to rehabilitation. Stepwise discriminant function analysis resulted in a discriminant function consisting of three variables—total score on the Disability Rating Scale, Glasgow Coma Scale Score and age—which correctly classified 74% of...

Principles of Neural Science

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Applied Longitudinal Data Analysis Modeling Change And Event Occurrence

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