Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Lorie Hamiwka is active.

Publication


Featured researches published by Lorie Hamiwka.


Developmental Medicine & Child Neurology | 2005

Sleep disturbances in children with epilepsy compared with their nearest‐aged siblings

Elaine Wirrell; Marlene Blackman; Karen Barlow; Jean Mah; Lorie Hamiwka

The aim of the study was to compare sleep patterns in children with epilepsy with those of their non-epileptic siblings and to determine which epilepsy-specific factors predict greater sleep disturbance. We conducted a case-control study of 55 children with epilepsy (mean age 10y, range 4 to 16y; 27 males, 28 females) and their nearest-aged non-epileptic sibling (mean age 10y, range 4 to 18y; 26 males, 29 females). Epilepsy was idiopathic generalized in eight children (15%), symptomatic generalized in seven (13%), and focal in 40 (73%); the mean duration was 5 years 8 months. Parents or caregivers completed the Sleep Behavior Questionnaire (SBQ) and Child Behavior Checklist (CBCL) for patients and controls, and the Quality of Life in Childhood Epilepsy (QOLCE) for patients. Patients had a higher (more adverse) Total Sleep score (p<0.001) and scored worse than controls on nearly all subscales of the SBQ. In patients, higher Total Sleep scores were correlated with higher scores on the Withdrawn, Somatic complaints, Social problems, and Attention subscales of the CBCL, and significantly lower Total Quality of Life Scores. Refractory epilepsy, mental retardation, and remote symptomatic etiology predicted greater sleep problems in those with epilepsy. We conclude that children with epilepsy in this current study had significantly greater sleep problems than their non-epileptic siblings.


Epilepsy & Behavior | 2007

Social skills problems in children with epilepsy: Prevalence, nature and predictors

Enrica Tse; Lorie Hamiwka; Elisabeth M. S. Sherman; Elaine Wirrell

To determine the prevalence, nature, and predictors of social skills impairment in children with epilepsy, 101 parents completed the Social Skills Rating System, the Child Behavior Checklist, a general health questionnaire for both their child with epilepsy (aged 3-17) and his or her sibling, a quality-of-life assessment for the child with epilepsy, and Family Assessment Measure III. Epilepsy-specific variables were recorded for each case. Although children with epilepsy had poorer social skills (P<0.05) and were less assertive (P<0.006) than their siblings, the proportion with clinically significant social skills deficits was low and did not differ between groups (13% vs 7%, P=0.12). Neurological factors were related to social skills, but only presence of a learning disability (odds ratio=8.64, 95% CI=1.87-39.98) and abnormal family function (odds ratio=8.75, 95% CI=1.42-53.83) were strongly predictive of social skills impairment. Lower social skills were moderately correlated with epilepsy-specific and global quality of life (P<0.001).


Journal of Child Neurology | 2008

Deterioration in Cognitive Function in Children With Benign Epilepsy of Childhood With Central Temporal Spikes Treated With Sulthiame

Elaine Wirrell; Elisabeth M. S. Sherman; Robert Vanmastrigt; Lorie Hamiwka

The purpose of this study was to determine if reduction in spike frequency in children with benign epilepsy of childhood with centrotemporal spikes treated with sulthiame correlates with improved neuropsychologic function. Six untreated children (5 boys, 1 girl) with a mean (standard deviation) age of 9.1 years (1.5 years) underwent overnight ambulatory electroencephalograph recording and neuropsychologic evaluation at baseline and after 6 months of sulthiame monotherapy. The Reliable Change Index was used to determine whether a statistically reliable change in neuropsychologic function occurred. All children continued receiving sulthiame monotherapy (dose range, 8.0-9.3 mg/kg per day) for the study period without further seizures. Although spike frequency was reduced in all 6 children (3 showing a decrease to less than 10% of baseline), they all demonstrated significant deterioration in their reading ability, 5 had significant declines in general memory, and more than half had reduction in attention skills and mathematics ability. Although sulthiame was effective at seizure control and significantly reduced spike frequency in children, it was also associated with deterioration in cognitive function.


Epilepsy & Behavior | 2008

Parenting stress in mothers of children with intractable epilepsy

Elaine C. Wirrell; Laura J. Wood; Lorie Hamiwka; Elisabeth M. S. Sherman

OBJECTIVE The goal of the work described here was to determine the prevalence and characteristics of maternal stress in families of children with intractable epilepsy. METHODS Mothers of children aged 2-18 with intractable epilepsy were asked to complete the Parenting Stress Index, Scales of Independent Behavior-Revised, and Child Behavior Checklist, and were queried regarding family type, maternal education, and family income. Neurology clinic charts were reviewed for seizure variables including age at onset, number of failed therapies, and seizure frequency. The Parenting Stress Index measures stress in two broad domains [stress related to characteristics of the child (Child Domain) and stress related to characteristics of the parent (Parent Domain)] as well as a Total Stress score. RESULTS Fifty-two of 80 (65%) eligible mothers returned completed questionnaires. Sixty-three percent scored in the clinical range for Total Stress, 75% for the Child Domain, but only 29% for the Parent Domain. Mothers scored more adversely on the Isolation, Health, Role Restriction, and Spouse subscales of the Parent Domain, but more favorably on the Attachment subscale. A moderate to high correlation was noted between behavior problems in the child and higher Total Stress scores, but no significant correlations were found between other seizure or demographic variables. CONCLUSION Intractable childhood epilepsy is associated with markedly increased maternal parenting stress. Increased stress is due predominantly to child factors. Mothers would strongly benefit from added support to alleviate the constant caregiving demands.


Epilepsia | 2006

Do Children with Benign Rolandic Epilepsy Have a Higher Prevalence of Migraine than Those with Other Partial Epilepsies or Nonepilepsy Controls

Elaine Wirrell; Lorie Hamiwka

Summary:  Purpose: Prior studies have given conflicting data concerning the association of benign rolandic epilepsy of childhood (BREC) and migraine but were limited by lack of sensitive, diagnostic criteria for childhood migraine. By using revised International Headache Society (IHS‐R) criteria, we compared the prevalence of migraine in children with BREC with that of those (a) with cryptogenic/symptomatic partial epilepsy and (b) without epilepsy.


Pediatric Neurology | 2008

Maternal Depression: The Cost of Caring for a Child With Intractable Epilepsy

Laura J. Wood; Elisabeth M. S. Sherman; Lorie Hamiwka; Marlene Blackman; Elaine C. Wirrell

The aims of this study were to: (1) determine the prevalence of depression and sleep disruption in mothers of children with intractable epilepsy, and (2) assess which family factors and neurologic/behavioral characteristics of a child with epilepsy correlate with maternal depression. Mothers of children aged 2-18 years with intractable epilepsy completed a Beck Depression Inventory and Pittsburgh Sleep Questionnaire for themselves, and a Child Behavior Checklist, Attention Deficit Hyperactivity Disorder Rating Scale, and Scale of Independent Behavior-Revised for their child. Charts were reviewed for age at seizure onset, seizure frequency and type, number of failed treatments, and presence of autism. Mothers were queried regarding family type, educational level, income, and number of children in the home. Fifty-two of 80 (65%) eligible mothers returned completed questionnaires. Forty-five percent demonstrated elevated scores on the depression questionnaire, with 25% in the moderate/severely depressed range. Sleep disruption was reported in 67%. Maternal depression correlated with high attention deficit and problem behaviors in children, but not with most epilepsy-related variables, autism, adaptive delay, or family income.


Neurology | 2004

Seizure-alerting and -response behaviors in dogs living with epileptic children

Adam Kirton; Elaine Wirrell; James Zhang; Lorie Hamiwka

There is little evidence for the ability of dogs to anticipate human seizures. Families of epileptic children were surveyed to investigate seizure-related behaviors in dogs. Approximately 40% of families owned a dog, about 40% of these had seizure-specific behavior, and about 40% of these (approximately 15% overall) showed anticipatory ability. Anticipation occurred early and was both sensitive and specific. Quality of life was higher in families with a dog that responded to seizures.


Pediatric Neurology | 2008

Peri-ictal headache in children: prevalence and character.

Shayne Cai; Lorie Hamiwka; Elaine C. Wirrell

Structured interviews regarding peri-ictal headaches and personal or family histories of interictal headaches were conducted on 101 children (aged 5-18 years), with generalized tonic-clonic or partial seizures. Epilepsy-specific details were collected by interviews and reviews of neurology clinic charts. Peri-ictal headaches were reported by 41% (29%, postictal only; 5%, preictal only; 7%, both). Clear migrainous features were present in 50% of preictal and 58% of postictal headaches. Most children described bilateral headaches. No demographic or epilepsy-specific correlates were identified that predicted peri-ictal headaches. Interictal headaches occurred in 24%, with 14% of children meeting criteria for migraines. However, neither interictal migraines nor a positive family history of migraines was significantly predictive of either peri-ictal headaches or migrainous peri-ictal headaches. Postictal headaches occurred reliably after most seizures in predisposed children, and interrupted activities in the majority. Whereas only half of children received abortive medications for these headaches, simple analgesics were effective in most cases. We conclude that peri-ictal headaches are common, affecting 41% of children with epilepsy. Their presence should be routinely queried, and if documented, treatment with simple analgesics appears beneficial and should be considered.


Pediatric Neurology | 2008

Self-Concept in Adolescents with Epilepsy: Biological and Social Correlates

Arden Lee; Lorie Hamiwka; Elisabeth M. S. Sherman; Elaine C. Wirrell

The purposes of this study were to (1) compare self-esteem in teens with epilepsy to the normative mean, and (2) identify which neurologic/epilepsy and social/familial variables are associated with self-esteem. Thirty-seven adolescents (aged 12-18 years) attending a pediatric neurology clinic completed the Piers-Harris 2 Self-Concept Scale, Family Assessment Measure III, Child Attitude to Illness Scale, and a brief questionnaire about current seizure status (frequency, severity, and number of antiepileptic drugs). Neurology clinic charts were reviewed for seizure types, etiology, age at diagnosis, and number of failed therapies. While Total Piers-Harris t score and most subscales did not differ significantly from the normative mean, teens with epilepsy had higher scores on Behavioral Adjustment (P < 0.04) and Physical Appearance and Attributes (P < 0.03). On univariate analysis, number of current antiepileptic drugs (P < 0.05) and Attitude to Illness and Family Function scores (P < 0.02 for both) were significantly associated with self-esteem. On linear regression analysis, only the Family Function score (P < 0.02) and number of antiepileptic drugs (P < 0.05) were associated with total self-concept. We conclude that self-concept in teens with epilepsy is most strongly associated with Family Function. With the exception of current number of antiepileptic drugs used, epilepsy-specific factors are of minimal importance.


Epilepsy & Behavior | 2008

Depression, anxiety, and quality of life in siblings of children with intractable epilepsy

Laura J. Wood; Elisabeth M. S. Sherman; Lorie Hamiwka; Marlene Blackman; Elaine C. Wirrell

Thirty-seven siblings (aged 6-18) of children with intractable epilepsy were surveyed regarding their anxiety, depression, and quality of life, by both self-report (Revised Childrens Manifest Anxiety Scale, RCMAS; Childrens Depression Inventory, CDI; and Peds QL) and parental report (Child Behavior Checklist, CBCL). Completed forms were returned by 37 of 58 (64%) eligible families. No sibling had a score in the clinical range on the CDI, and only 2 of 37 (6%) scored in the clinical range on the RCMAS, a proportion similar to the normative population. In contrast, 25% were rated by their parents to have elevated Internalizing Behaviors scores on the CBCL. There was a trend for PedsQL scores to be lower than the normative mean. Comorbid behavior and attention problems in the child with epilepsy and sibling CDI and RCMAS scores correlated significantly with self-reported quality of life. However, other epilepsy, child, and family variables (income, parental education, family function, maternal depression) did not correlate. We conclude that siblings of children with intractable epilepsy are functioning well overall and have a good quality of life.

Collaboration


Dive into the Lorie Hamiwka's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Marlene Blackman

Alberta Children's Hospital

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Arden Lee

University of Alberta

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Karen Barlow

Alberta Children's Hospital

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge