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Ilves N, Metsvaht T, Laugesaar R, Rull K, Lintrop M, Laan M, Loorits D, Kool P, Ilves P. Periventricular hemorrhagic infarction in preterm neonates: Etiology and time of development. J Neonatal Perinatal Med 2024; 17:111-121. [PMID: 38189714 DOI: 10.3233/npm-230033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
BACKGROUND To find the obstetrical and delivery associated risk factors of antenatal and postnatal grade III intraventricular hemorrhage (IVH) or periventricular hemorrhagic infarction (PVHI) in preterm neonates. METHODS A retrospective study of obstetric and delivery associated risk factors included neonates (<35 gestational weeks) with severe IVH/PVHI (n = 120) and a prospectively collected control group (n = 50). The children were divided into: (1) antenatal onset group (n = 27) with insult visible on cerebral ultrasonography within the first 12 hours of birth or periventricular cystic changes visible in PVHI within the first 3 days; (2) neonatal onset group (n = 70) with insult diagnosed after initial normal findings or I-II grade IVH, and (3) unknown time-onset group (n = 23) with insult visible at > 12 h of age. RESULTS The mothers of the antenatal onset group had significantly more bacterial infections before delivery compared to the neonatal onset group: 20/27 (74.1%) versus 23/69 (33.3%), (odds ratio (OR) 5.7 [95% confidence interval 2.1-16]; p = 0.0008) or compared to the control group (11/50 (22%); OR 11 [2.8-42]; p = 0.0005). Placental histology revealed chorioamnionitis more often in the antenatal compared to the neonatal onset group (14/21 (66.7%) versus 16/42 (38.1%), respectively; OR 3.7 [1.18-11]; p = 0.025). Neonates with neonatal development of severe IVH/PVHI had significantly more complications during delivery or intensive care. CONCLUSIONS Bacterial infection during pregnancy is an important risk factor for development of antenatal onset severe IVH or PVHI. In neonates born to mothers with severe bacterial infection during pregnancy, cerebral ultrasonography is indicated for early detection of severe IVH or PVHI.
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Affiliation(s)
- N Ilves
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - T Metsvaht
- Anesthesiology and Intensive Care Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Pediatrics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - R Laugesaar
- Children's Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Pediatrics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - K Rull
- Women's Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Gynecology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
- Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu, Estonia
| | - M Lintrop
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - M Laan
- Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu, Estonia
| | - D Loorits
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - P Kool
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - P Ilves
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
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Bektaş Ö, Göktaş ÖA, Atasay B, Teber S. Investigating the Impact on Long-Term Outcomes and the Necessity of Hereditary Thrombophilia Screening in Presumed or Perinatal Arterial Ischemic Stroke. Clin Appl Thromb Hemost 2024; 30:10760296241231944. [PMID: 38327150 PMCID: PMC10851766 DOI: 10.1177/10760296241231944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/16/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024] Open
Abstract
This study aimed to investigate the influence of prothrombotic risk factors on long-term outcomes of patients with perinatal arterial ischemic stroke. The study was conducted through an analysis of monitoring results that were regularly maintained for approximately 20 years at a tertiary stroke-monitoring center. The study assessed prothrombotic risk factors, radiological area of involvement, clinical presentation, treatments, clinical outcomes, and long-term outcomes of the 48 patients included in the study, with a mean monitoring time of 77.6 ± 45.7 months (range: 6-204). Our results showed that the presence of prothrombotic risk factors did not affect long-term outcomes. However, patients with middle cerebral artery infarction had the highest risk of developing cerebral palsy, whereas those with presumed stroke had the highest risk of developing epilepsy. This study suggests that prothrombotic risk factors should not be evaluated during the acute stage unless there is a strong suspicion of the patient's history, and prevention or early diagnosis of presumed stroke patients will positively impact their long-term prognosis.
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Affiliation(s)
- Ömer Bektaş
- Department of Pediatric Neurology, Ankara University Medical School, Ankara, Turkey
| | - Özben Akıncı Göktaş
- Department of Pediatric Neurology, Ankara University Medical School, Ankara, Turkey
| | - Begüm Atasay
- Department of Neonatology, Ankara University Medical School, Ankara, Turkey
| | - Serap Teber
- Department of Pediatric Neurology, Ankara University Medical School, Ankara, Turkey
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3
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Arias-Llorente RP, Lareu-Vidal S, González-Sánchez S, Blanco-Lago R. [A series of 22 cases of perinatal arterial ischaemic stroke: risk factors, clinical management and neurological sequelae]. Rev Neurol 2023; 77:151-158. [PMID: 37750545 PMCID: PMC10831710 DOI: 10.33588/rn.7707.2023158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Indexed: 09/27/2023]
Abstract
INTRODUCTION Perinatal arterial ischaemic stroke (PAIS) is almost as common as in adulthood and causes significant neurological sequelae. AIM The aim is to describe the risk situations surrounding these neonates, the clinical manifestations, the management, the cost-effectiveness of diagnostic tests and the neurological sequelae. PATIENTS AND METHODS We conducted an observational study of a cohort of patients consisting of neonates with a gestational age = 35 weeks diagnosed with PAIS in our hospital between 2010 and 2021. RESULTS Twenty-two cases of PAIS were included, and the incidence in our centre was 1/1,869 live newborns. The data showed that 81.8% had some intrapartum risk factor and 40.9% had a combination of several risk factors. It started with seizures (mean age 27.3 hours) in 77.3% of cases. Patients with a stroke in the left hemisphere had more sequelae (77.8%) than those with a stroke on the right-hand side (16.6%) (p = 0.041), with the exception of infantile cerebral palsy (p = 0.04), while we found no difference between hemispheres in the frequency of language impairment (p = 0.06). The mean follow-up time was 6.13 ± 3.06 years. A total of 63.6% of infants had neurological sequelae: infantile cerebral palsy (40.9%), language disorders (22.7%) and intellectual disability (9%). Moreover, 18.2% developed epilepsy (between 0.25 and 1.8 years) and antiseizure treatment was maintained after discharge in 37.5% of cases in the last years of the study. CONCLUSIONS If a newborn infant presents seizures, it is necessary to rule out the possibility of a stroke. PAIS causes neurological sequelae in over 60% of cases. Early identification is essential to improve the neurological prognosis and avoid the prolonged use of antiseizure drugs where possible.
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Affiliation(s)
| | - S Lareu-Vidal
- Hospital Universitario Central de Asturias, 33006 Oviedo, España
| | | | - R Blanco-Lago
- Hospital Universitario Central de Asturias, Oviedo, España
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Barsch Bergqvist A, Simatou E, Skiöld B, Mitha A, Bolk J. Term-born infants with a perinatal stroke frequently had seizures and were prescribed anti-seizure medication at discharge. Acta Paediatr 2023; 112:1907-1915. [PMID: 37365777 DOI: 10.1111/apa.16890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 05/07/2023] [Accepted: 06/26/2023] [Indexed: 06/28/2023]
Abstract
AIM We investigated the prevalence of seizures in term-born infants with a perinatal stroke in Swedish neonatal wards, assessed the anti-seizure medication prescribed and determined the accuracy of diagnostic codes. METHODS This cross-sectional study used data from the Swedish Neonatal Quality Register. The cases were infants born at ≥37 weeks in 2009-2018 and admitted to a neonatal ward in Stockholm County with a stroke diagnosis, confirmed by their medical chart. The controls were all Swedish infants born during those years. RESULTS There were 76 infants with a confirmed perinatal stroke: 51 ischaemic and 25 haemorrhagic. Seizures were documented in 66/76 (87%) of infants with a stroke and 0.2% of the controls. Anti-seizure medication was administered to 64/66 (97%) infants with a stroke and seizures. In 60 cases, the drugs administered were specified, with phenobarbital used in 59/60 cases (98%). More than one drug was administered to 25/60 (42%) infants and 31/60 (52%) were discharged with anti-seizure medication. The positive predictive value for the stroke diagnostic codes was 80.5% (95% CI 76.5-84.5). CONCLUSION Seizures were common in infants with a perinatal stroke. More than one anti-seizure drug was often required and many infants were on anti-seizure medication at discharge, against Swedish recommendations.
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Affiliation(s)
| | - Eleni Simatou
- Department of Child Neurology, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Beatrice Skiöld
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Ayoub Mitha
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- CHU Lille, Paediatric and Neonatal Intensive Care Transport Unit, Department of Emergency Medicine, SAMU 59, Lille University Hospital, Lille, France
| | - Jenny Bolk
- Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
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5
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Kavčič A, Demšar J, Georgiev D, Meglič NP, Šalamon AS. EEG functional connectivity after perinatal stroke. Cereb Cortex 2023; 33:9927-9935. [PMID: 37415237 DOI: 10.1093/cercor/bhad255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/18/2023] [Accepted: 06/19/2023] [Indexed: 07/08/2023] Open
Abstract
Impaired cognitive functioning after perinatal stroke has been associated with long-term functional brain network changes. We explored brain functional connectivity using a 64-channel resting-state electroencephalogram in 12 participants, aged 5-14 years with a history of unilateral perinatal arterial ischemic or haemorrhagic stroke. A control group of 16 neurologically healthy subjects was also included-each test subject was compared with multiple control subjects, matched by sex and age. Functional connectomes from the alpha frequency band were calculated for each subject and the differences in network graph metrics between the 2 groups were analyzed. Our results suggest that the functional brain networks of children with perinatal stroke show evidence of disruption even years after the insult and that the scale of changes appears to be influenced by the lesion volume. The networks remain more segregated and show a higher synchronization at both whole-brain and intrahemispheric level. Total interhemispheric strength was higher in children with perinatal stroke compared with healthy controls.
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Affiliation(s)
- Alja Kavčič
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Bohoričeva 20, 1000 Ljubljana, Slovenia
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Jure Demšar
- Faculty of Computer and Information Sciences, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
- Department of Psychology, Faculty of Arts, University of Ljubljana, Aškerčeva 2, 1000 Ljubljana, Slovenia
| | - Dejan Georgiev
- Faculty of Computer and Information Sciences, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
- Department of Neurology, University Medical Centre Ljubljana, Zaloška cesta 2, 1000 Ljubljana, Slovenia
| | - Nuška Pečarič Meglič
- Department of Neuroradiology, University Medical Centre Ljubljana, Zaloška cesta 2, 1000 Ljubljana, Slovenia
| | - Aneta Soltirovska Šalamon
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Bohoričeva 20, 1000 Ljubljana, Slovenia
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
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Fraser S, Levy SM, Talebi Y, Savitz SI, Zha A, Zhu G, Wu H. A National, Electronic Health Record-Based Study of Perinatal Hemorrhagic and Ischemic Stroke. J Child Neurol 2023; 38:206-215. [PMID: 37122177 PMCID: PMC10213126 DOI: 10.1177/08830738231170739] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 03/21/2023] [Accepted: 04/01/2023] [Indexed: 05/02/2023]
Abstract
BACKGROUND Perinatal stroke occurs in approximately 1 in 1100 live births. Large electronic health record (EHR) data can provide information on exposures associated with perinatal stroke in a larger number of patients than is achievable through traditional clinical studies. The objective of this study is to assess prevalence and odds ratios of known and theorized comorbidities with perinatal ischemic and hemorrhagic stroke. METHODS The data for patients aged 0-28 days with a diagnosis of either ischemic or hemorrhagic stroke were extracted from the Cerner Health Facts Electronic Medical Record (EMR) database. Incidence of birth demographics and perinatal complications were recorded. Odds ratios were calculated against a control group. RESULTS A total of 535 (63%) neonates were identified with ischemic stroke and 312 (37%) with hemorrhagic stroke. The most common exposures for ischemic stroke were sepsis (n = 82, 15.33%), hypoxic injury (n = 61, 11.4%), and prematurity (n = 49, 9.16%). The most common comorbidities for hemorrhagic stroke were prematurity (n = 81, 26%) and sepsis (n = 63, 20%). No perinatal ischemic stroke patients had diagnosis codes for cytomegalovirus disease. Procedure and diagnosis codes related to critical illness, including intubation and resuscitation, were prominent in both hemorrhagic (n = 46, 15%) and ischemic stroke (n = 45, 8%). CONCLUSION This electronic health record-based study of perinatal stroke, the largest of its kind, demonstrated a wide variety of comorbid conditions with ischemic and hemorrhagic stroke. Sepsis, prematurity, and hypoxic injury are associated with perinatal hemorrhagic and ischemic stroke, though prevalence varies between types. Much of our data were similar to prior studies, which lends validity to the electronic health record database in studying perinatal stroke.
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Affiliation(s)
- Stuart Fraser
- Division of Vascular Neurology,
Department of Neurology, McGovern Medical School, University of
Texas Health Science Center at Houston, Houston, TX, USA
- Institute for Stroke and
Cerebrovascular Disease, University of Texas Health Science Center at Houston,
Houston, TX, USA
| | - Samantha M. Levy
- Department of Biostatistics and Data
Science, School of Public Health, University of
Texas Health Science Center at Houston, Houston, TX, USA
| | - Yashar Talebi
- Department of Biostatistics and Data
Science, School of Public Health, University of
Texas Health Science Center at Houston, Houston, TX, USA
| | - Sean I. Savitz
- Division of Vascular Neurology,
Department of Neurology, McGovern Medical School, University of
Texas Health Science Center at Houston, Houston, TX, USA
- Institute for Stroke and
Cerebrovascular Disease, University of Texas Health Science Center at Houston,
Houston, TX, USA
| | - Alicia Zha
- Institute for Stroke and
Cerebrovascular Disease, University of Texas Health Science Center at Houston,
Houston, TX, USA
- Division of Vascular Neurology,
Department of Neurology, Ohio State University School of Medicine, Columbus, OH,
USA
| | - Gen Zhu
- Department of Biostatistics and Data
Science, School of Public Health, University of
Texas Health Science Center at Houston, Houston, TX, USA
| | - Hulin Wu
- Institute for Stroke and
Cerebrovascular Disease, University of Texas Health Science Center at Houston,
Houston, TX, USA
- Department of Biostatistics and Data
Science, School of Public Health, University of
Texas Health Science Center at Houston, Houston, TX, USA
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Roy B, Webb A, Walker K, Morgan C, Badawi N, Novak I. Risk factors for perinatal stroke in term infants: A case-control study in Australia. J Paediatr Child Health 2023; 59:673-679. [PMID: 36786434 DOI: 10.1111/jpc.16372] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/15/2023]
Abstract
AIM The aetiology of perinatal stroke is poorly understood. This study aimed to prospectively confirm the risk factors and identify any previously unknown variables. METHODS A prospective case-control study was conducted in Australia. Univariate odds ratios (ORs), associated 95% confidence intervals (CIs) and multivariable logistic regression models fitted with backwards stepwise variable selection were used. RESULTS Sixty perinatal stroke cases reported between 2017 and 2019 included 95% (57/60) with multiple risk factors. Univariate analysis identified emergency caesarean section rather than NVD (P < 0.01), low Apgar score (<7) at 1, 5 and 10 min of age (P < 0.01), resuscitation at birth (P < 0.01), abnormal cord blood gas (P < 0.01), neonatal infection/sepsis (P < 0.01), congenital heart disease (P < 0.01) and hypoglycaemia (P < 0.01) as significant risk factors. Multivariate analysis found smoking during pregnancy (OR: 1.48; 95% CI: 1.09-1.99), 1-min Apgar score < 7 (OR: 1.54; 95% CI: 1.15-2.08), 10-min Apgar score < 7 (OR: 1.26; 95% CI: 1.02-1.54) and hypoglycaemia (OR: 1.49; 95% CI: 1.07-2.06). CONCLUSIONS Perinatal stroke is associated with multiple risk factors. Exposure to smoking, 10-min Apgar score < 7, neonatal infection and hypoglycaemia were independent risk factors. Emergency caesarean section, resuscitation at birth and abnormal cord blood gas were additional risk factors.
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Affiliation(s)
- Bithi Roy
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, New South Wales, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.,The University of Notre Dame Australia, Sydney, New South Wales, Australia
| | - Annabel Webb
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Karen Walker
- Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.,RPA Newborn Care, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Catherine Morgan
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, New South Wales, Australia.,Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Nadia Badawi
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, New South Wales, Australia.,Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, New South Wales, Australia.,Grace Centre for Newborn Intensive Care, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Iona Novak
- Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.,Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, New South Wales, Australia
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Rivella C, Zanetti A, Bertamino M, Severino M, Primavera L, Signa S, Moretti P, Viterbori P. [Formula: see text] Executive functions and psychosocial impairment in children following arterial ischemic stroke. Child Neuropsychol 2023; 29:276-298. [PMID: 35668031 DOI: 10.1080/09297049.2022.2083093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This study examined the executive function (EF) of children with a history of arterial ischemic stroke (AIS) and preserved intellectual abilities, with reference to age at stroke onset, lesion characteristics, language, and motor functioning. In addition, the associations between EF and emotional and behavioral functioning were investigated. A battery of standardized neuropsychological tests was administered to children with previous AIS aged 7-12 in order to assess EF, including inhibition, working memory, cognitive flexibility, and attention. Parents rated questionnaires regarding real-life emotional and behavioral functioning. Finally, clinical and neuroradiological data were also gathered. Thirty patients were enrolled. Eight children fall in the lower end of the normative range or below in more than half of the EF measures, with working memory, inhibition and cognitive flexibility equally impaired, and attention relatively better preserved. Larger lesion size and language deficits were significantly associated with higher EF impairment. Emotional and behavioral functioning was lower in children with weaker EF. Children with a history of AIS, even those with preserved intellectual functioning, have a high risk of showing poor EF, mostly regardless of clinical features or functional impairment. EF difficulties are in turn associated with emotional and behavioral problems. Therefore, a standardized evaluation of EF in this population is mandatory as part of the follow-up, in order to ensure an early intervention and prevent related difficulties.
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Affiliation(s)
- Carlotta Rivella
- Department of Educational Science, University of Genoa, Genoa, Italy
| | - Alice Zanetti
- Physical Medicine and Rehabilitation Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Marta Bertamino
- Physical Medicine and Rehabilitation Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Ludovica Primavera
- Physical Medicine and Rehabilitation Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Sara Signa
- Department of Neuroscience, Ophthalmology, Genetics and Maternal Infantile Sciences (DINOGMI), University of Genoa, Genoa, Italy.,Autoinflammatory Diseases and Immunodeficiencies Center, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Paolo Moretti
- Physical Medicine and Rehabilitation Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Paola Viterbori
- Department of Educational Science, University of Genoa, Genoa, Italy
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9
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Roy B, Webb A, Walker K, Morgan C, Badawi N, Nunez C, Eslick G, Kent AL, Hunt RW, Mackay MT, Novak I. Prevalence & Risk Factors for Perinatal Stroke: A Population-Based Study. Child Neurol Open 2023; 10:2329048X231217691. [PMID: 38116020 PMCID: PMC10729630 DOI: 10.1177/2329048x231217691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/23/2023] [Accepted: 10/26/2023] [Indexed: 12/21/2023] Open
Abstract
Objectives The study objective was to calculate the birth prevalence of perinatal stroke and examine risk factors in term infants. Some risk factors are present in healthy infants, making it difficult to determine at-risk infants. Study Design Prospective population-based perinatal stroke data were compared to the Australian general population data using chi-squared and Fisher's exact tests and multivariable logistic regression analysis. Results Sixty perinatal stroke cases were reported between 2017 and 2019. Estimated stroke prevalence was 9.6/100,000 live births/year including 5.8 for neonatal arterial ischemic stroke and 2.9 for neonatal hemorrhagic stroke. Eighty seven percent had multiple risk factors. Significant risk factors were cesarean section (p = 0.04), 5-min Apgar score <7 (p < 0.01), neonatal resuscitation (p < 0.01) and nulliparity (p < 0.01). Conclusions Statistically significant independent risk factors do not fully explain the cause of perinatal stroke, because they are not a direct causal pathway to stroke. These data now require validation in a case-control study.
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Affiliation(s)
- Bithi Roy
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- The University of Notre Dame Australia, Sydney, Australia
| | - Annabel Webb
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, Australia
| | - Karen Walker
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- RPA Newborn Care, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Catherine Morgan
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, Australia
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, Australia
| | - Nadia Badawi
- The University of Sydney Children's Hospital Westmead Clinical School, Sydney, Australia
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, Australia
- Grace Centre for Newborn Intensive Care, The Children's Hospital at Westmead, Sydney, Australia
| | - Carlos Nunez
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- The Australian Paediatric Surveillance Unit, Sydney, Australia
| | - Guy Eslick
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- The Australian Paediatric Surveillance Unit, Sydney, Australia
| | - Alison L Kent
- University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
- Australian National University College of Health and Medicine, Canberra, ACT, Australia
| | - Rod W Hunt
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, Australia
- Dept of Paediatrics, Monash University, Melbourne, Australia
- Monash Newborn, Monash Health, Melbourne, Australia
| | - Mark T Mackay
- Department of Neurology, Royal Children's Hospital, Parkville, Australia
- Neuroscience Research, Murdoch Children's Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Australia
| | - Iona Novak
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Cerebral Palsy Alliance Research Institute, Discipline of Child and Adolescent Health, The University of Sydney, Sydney, Australia
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10
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Ilves N, Laugesaar R, Rull K, Metsvaht T, Lintrop M, Laan M, Loorits D, Kool P, Ilves P. Maternal Pyelonephritis as a Potential Cause of Perinatal Periventricular Venous Infarction in Term-Born Children. J Child Neurol 2022; 37:677-688. [PMID: 35821576 DOI: 10.1177/08830738221109340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction: The study was designed to assess the prevalence of pregnancy and delivery associated risk factors in children suffering from neonatal or presumed periventricular venous infarction. Methods: Antenatal records and pregnancy outcome data were retrospectively assessed in children with presumed periventricular venous infarction (n = 43, born ≥36 gestational weeks) or neonatal periventricular venous infarction (n = 86, born <36 gestational weeks) and compared to a matched control group (n = 2168, ≥36 gestational weeks) from a prospective study. Results: Children with presumed periventricular venous infarction had significantly more maternal bacterial infections compared to the control group (47% vs 20%, respectively, P < .001), whereas no difference was found compared to the neonatal periventricular venous infarction group (49%, P = .80). Mothers with bacterial infection in the presumed periventricular venous infarction group had significantly more often pyelonephritis compared to the control group (50% vs 3.4%, respectively, P < .001). Conclusions: Our data show an increased risk for developing periventricular venous infarction in the case of maternal bacterial infections, especially between gestational weeks 21 and 31.
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Affiliation(s)
- Norman Ilves
- 37544Radiology Clinic of Tartu University Hospital; Department of Radiology, Institute of Clinical Medicine, 37546University of Tartu, Tartu, Estonia
| | - Rael Laugesaar
- 37544Children's Clinic of Tartu University Hospital; Department of Pediatrics, Institute of Clinical Medicine, 37546University of Tartu, Tartu, Estonia
| | - Kristiina Rull
- 37544Women's Clinic of Tartu University Hospital; Department of Gynecology, Institute of Clinical Medicine, Institute of Biomedicine and Translational Medicine; University of Tartu, Tartu, Estonia
| | - Tuuli Metsvaht
- 37544Anesthesiology and Intensive Care Clinic of Tartu University Hospital; Department of Pediatrics, Institute of Clinical Medicine, 37546University of Tartu, Tartu, Estonia
| | - Mare Lintrop
- 37544Radiology Clinic of Tartu University Hospital; Department of Radiology, Institute of Clinical Medicine, 37546University of Tartu, Tartu, Estonia
| | - Maris Laan
- Institute of Biomedicine and Translational Medicine; 37544University of Tartu, Tartu, Estonia
| | - Dagmar Loorits
- 37544Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - Pille Kool
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Pilvi Ilves
- 37544Radiology Clinic of Tartu University Hospital; Department of Radiology, Institute of Clinical Medicine, 37546University of Tartu, Tartu, Estonia
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11
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Kuo HC, Zewdie E, Giuffre A, Gan LS, Carlson HL, Wrightson J, Kirton A. Robotic mapping of motor cortex in children with perinatal stroke and hemiparesis. Hum Brain Mapp 2022; 43:3745-3758. [PMID: 35451540 PMCID: PMC9294290 DOI: 10.1002/hbm.25881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 03/15/2022] [Accepted: 04/05/2022] [Indexed: 11/13/2022] Open
Abstract
Brain stimulation combined with intensive therapy may improve hand function in children with perinatal stroke‐induced unilateral cerebral palsy (UCP). However, response to therapy varies and underlying neuroplasticity mechanisms remain unclear. Here, we aimed to characterize robotic motor mapping outcomes in children with UCP. Twenty‐nine children with perinatal stroke and UCP (median age 11 ± 2 years) were compared to 24 typically developing controls (TDC). Robotic, neuronavigated transcranial magnetic stimulation was employed to define bilateral motor maps including area, volume, and peak motor evoked potential (MEP). Map outcomes were compared to the primary clinical outcome of the Jebsen–Taylor Test of Hand Function (JTT). Maps were reliably obtained in the contralesional motor cortex (24/29) but challenging in the lesioned hemisphere (5/29). Within the contralesional M1 of participants with UCP, area and peak MEP amplitude of the unaffected map were larger than the affected map. When comparing bilateral maps within the contralesional M1 in children with UCP to that of TDC, only peak MEP amplitudes were different, being smaller for the affected hand as compared to TDC. We observed correlations between the unaffected map when stimulating the contralesional M1 and function of the unaffected hand. Robotic motor mapping can characterize motor cortex neurophysiology in children with perinatal stroke. Map area and peak MEP amplitude may represent discrete biomarkers of developmental plasticity in the contralesional M1. Correlations between map metrics and hand function suggest clinical relevance and utility in studies of interventional plasticity.
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Affiliation(s)
- Hsing-Ching Kuo
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Department of Physical Medicine & Rehabilitation, University of California Davis, Sacramento, California, USA
| | - Ephrem Zewdie
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Adrianna Giuffre
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Liu Shi Gan
- Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada
| | - Helen L Carlson
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - James Wrightson
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Adam Kirton
- Calgary Pediatric Stroke Program, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute (ACHRI), Calgary, Alberta, Canada.,Hotchkiss Brain Institute (HBI), Calgary, Alberta, Canada.,Department of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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12
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Li E, Smithson L, Khan M, Kirton A, Pei J, Andersen J, Yager JY, Brooks BL, Rasmussen C. Effects of Perinatal Stroke on Executive Functioning and Mathematics Performance in Children. J Child Neurol 2022; 37:133-140. [PMID: 34985353 PMCID: PMC8801623 DOI: 10.1177/08830738211063683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The goal of this study was to examine executive functioning, math performance, and visuospatial processing skills of children with perinatal stroke, which have not been well explored in this population. Participants included 18 children with perinatal stroke (aged 6-16 years old) and their primary caregiver. Each child completed standardized tests of executive function and visuospatial processing skills, Intelligence Quotient (IQ), and math achievement. Performance on executive function, IQ, math, and visuospatial processing tests was significantly lower in children with perinatal stroke when compared to normative means. Poorer inhibitory control was associated with worse math performance. Increased age at testing was associated with better performance on visuospatial ability (using standardized scores), and females performed better than males on a test of inhibitory control. Children with perinatal stroke displayed a range of neuropsychological impairments, and difficulties with executive function (inhibition) may contribute to math difficulties in this population.
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Affiliation(s)
- Eliza Li
- University of Alberta, Edmonton, Alberta, Canada
| | - Lisa Smithson
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | - Adam Kirton
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | - John Andersen
- University of Alberta, Edmonton, Alberta, Canada,Glenrose Rehabilitation Hospital, Edmonton, Alberta, Canada
| | | | - Brian L. Brooks
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada,Glenrose Rehabilitation Hospital, Edmonton, Alberta, Canada,Faculty of Arts, University of Calgary, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Carmen Rasmussen
- University of Alberta, Edmonton, Alberta, Canada,Carmen Rasmussen, Department of Pediatrics, Faculty of Medicine & Dentistry, University of Alberta, 4-478, Edmonton Clinic Health Academy (ECHA), 11405-87 Avenue, Edmonton, Alberta T6G 1C9, Canada.
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13
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Leon RL, Kalvacherla V, Andrews MM, Thomas JM, Mir IN, Chalak LF. Placental pathologic lesions associated with stroke in term neonates. Front Endocrinol (Lausanne) 2022; 13:920680. [PMID: 36157451 PMCID: PMC9492924 DOI: 10.3389/fendo.2022.920680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 08/17/2022] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE To determine the birth prevalence of perinatal stroke in term born infants at our high-volume delivery center and assess the frequency of both gross and histologic placental pathologies associated with perinatal stroke using the Amsterdam Placental Workshop Group Consensus Statement guidelines and definitions. STUDY DESIGN A single-center retrospective cohort study spanning 2010-2020. RESULTS There were 129,759 live births at Parkland Hospital during the study period and a total of 18 term born infants leading to a birth prevalence of 1 in 6,829 infants. Perinatal risk factors were found in all but one patient, and 74% presented with seizures. Pathologic placental examination was available in 56% of the cohort and only one patient had normal placental examination. Acute histologic chorioamnionitis was described in five placentas (50%) and an additional two had isolated umbilical and/or chorionic plate vasculitis with or without funisitis compared to a rate of 28% with acute inflammation in a Control group. Chronic inflammation in the form of villitis of unknown etiology was described in three of the acutely inflamed placentas and was high-grade in each of those while none of the placentas from our Control group showed evidence of any chronic lesion. CONCLUSION Both acute and chronic placental inflammation are common in perinatal stroke; placental examination should be considered an essential component to the diagnostic workup.
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Affiliation(s)
- Rachel L. Leon
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
- *Correspondence: Rachel L. Leon,
| | | | | | - Jennifer M. Thomas
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Imran N. Mir
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lina F. Chalak
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
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14
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Larsen N, Craig BT, Hilderley AJ, Virani S, Murias K, Brooks BL, Kirton A, Carlson HL. Frontal interhemispheric structural connectivity, attention, and executive function in children with perinatal stroke. Brain Behav 2022; 12:e2433. [PMID: 34825521 PMCID: PMC8785614 DOI: 10.1002/brb3.2433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/18/2021] [Accepted: 10/25/2021] [Indexed: 11/23/2022] Open
Abstract
Perinatal stroke affects ∼1 in 1000 births and concomitant cognitive impairments are common but poorly understood. Rates of Attention Deficit/Hyperactivity Disorder (ADHD) are increased 5-10× and executive dysfunction can be disabling. We used diffusion imaging to investigate whether stroke-related differences in frontal white matter (WM) relate to cognitive impairments. Anterior forceps were isolated using tractography and sampled along the tract. Resulting metrics quantified frontal WM microstructure. Associations between WM metrics and parent ratings of ADHD symptoms (ADHD-5 rating scale) and executive functioning (Behavior Rating Inventory of Executive Function (BRIEF)) were explored. Eighty-three children were recruited (arterial ischemic stroke [AIS] n = 26; periventricular venous infarction [PVI] n = 26; controls n = 31). WM metrics were altered for stroke groups compared to controls. Along-tract analyses showed differences in WM metrics in areas approximating the lesion as well as more remote differences at midline and in the nonlesioned hemisphere. WM metrics correlated with parental ratings of ADHD and executive function such that higher diffusivity values were associated with poorer function. These findings suggest that underlying microstructure of frontal white matter quantified via tractography may provide a relevant biomarker associated with cognition and behavior in children with perinatal stroke.
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Affiliation(s)
- Nicole Larsen
- Calgary Pediatric Stroke Program, Alberta Children's Hospital, Calgary, Canada
| | - Brandon T Craig
- Calgary Pediatric Stroke Program, Alberta Children's Hospital, Calgary, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada
| | - Alicia J Hilderley
- Calgary Pediatric Stroke Program, Alberta Children's Hospital, Calgary, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada
| | - Shane Virani
- Department of Pediatrics, University of Calgary, Calgary, Canada
| | - Kara Murias
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada.,Department of Clinical Neurosciences, University of Calgary, Calgary, Canada
| | - Brian L Brooks
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada.,Department of Clinical Neurosciences, University of Calgary, Calgary, Canada.,Department of Psychology, University of Calgary, Calgary, Canada
| | - Adam Kirton
- Calgary Pediatric Stroke Program, Alberta Children's Hospital, Calgary, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada.,Department of Clinical Neurosciences, University of Calgary, Calgary, Canada.,Department of Radiology, University of Calgary, Calgary, Canada
| | - Helen L Carlson
- Calgary Pediatric Stroke Program, Alberta Children's Hospital, Calgary, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada.,Department of Pediatrics, University of Calgary, Calgary, Canada
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15
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Elgendy MM, Puthuraya S, LoPiccolo C, Liu W, Aly H, Karnati S. Neonatal stroke: Clinical characteristics and neurodevelopmental outcomes. Pediatr Neonatol 2022; 63:41-47. [PMID: 34509386 DOI: 10.1016/j.pedneo.2021.06.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/09/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Neonatal stroke can potentially result in significant neurological sequelae in affected infants. Studies on neurodevelopmental outcomes and the need for rehabilitation therapies in the first two years are limited. We aimed to describe the clinical characteristics, diagnostic evaluation, and neurodevelopmental outcomes of a cohort of infants with neonatal stroke. METHODS A retrospective cohort study of infants with neonatal stroke, from 2011 to 2020. Maternal and infant characteristics were described. Placental pathology, echocardiogram results, and prothrombotic evaluations were reported. The neurodevelopmental outcomes using Bayley scale of infant development (BSID III), rates of epilepsy and cerebral palsy, and the need for rehabilitation therapies at two years were described. RESULTS During the study period, 55 infants had neonatal stroke. Majority (93%) were term or late preterm infants. Maternal chorioamnionitis and perinatal HIE were diagnosed in about a third of the infants. Most (66%) of the infants presented with seizures. On brain MRI, the lesions were unilateral in 76% and arterial in origin in 86% of the infants. Meconium exposure (42%), intrauterine inflammation/infection (37%) and fetal vascular malperfusion (16%) were seen on placental histopathology. At two-year BSID III assessment, median (min, max) composite cognitive, language, and motor scores were 100 (55-145), 97 (47-124), and 100 (46-141), respectively. Among this cohort, epilepsy (27%), cerebral palsy (16%) and the need for rehabilitation therapies (physical -24%, occupational -18%, speech -21%) were reported at two years. CONCLUSION Neonatal stroke presented commonly in term or late preterm infants with seizures. It was unilateral and arterial in origin in most infants. Maternal chorioamnionitis and perinatal HIE were the most commonly associated conditions at birth. About one-fifth of the infants had mild or severe developmental delays at two years. Epilepsy, cerebral palsy, and need for rehabilitation therapies were noted in a significant proportion of infants at two years.
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Affiliation(s)
- Marwa M Elgendy
- Department of Neonatology, Cleveland Clinic Children's, Cleveland, OH, USA
| | - Subhash Puthuraya
- Department of Neonatology, Cleveland Clinic Children's, Cleveland, OH, USA
| | - Carmela LoPiccolo
- Department of Neonatology, Cleveland Clinic Children's, Cleveland, OH, USA
| | - Wei Liu
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, OHio, USA
| | - Hany Aly
- Department of Neonatology, Cleveland Clinic Children's, Cleveland, OH, USA
| | - Sreenivas Karnati
- Department of Neonatology, Cleveland Clinic Children's, Cleveland, OH, USA.
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16
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Hill NM, Sukal-Moulton T, Dewald JPA. Between Limb Muscle Co-activation Patterns in the Paretic Arm During Non-paretic Arm Tasks in Hemiparetic Cerebral Palsy. Front Neurosci 2021; 15:666697. [PMID: 34393702 PMCID: PMC8358604 DOI: 10.3389/fnins.2021.666697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 07/07/2021] [Indexed: 11/16/2022] Open
Abstract
Tasks of daily life require the independent use of the arms and hands. Individuals with hemiparetic cerebral palsy (HCP) often experience difficulty with fine motor tasks demonstrating mirrored movements between the arms. In this study, bilateral muscle activations were quantified during single arm isometric maximum efforts and submaximal reaching tasks. The magnitude and direction of mirrored activation was examined in 14 individuals with HCP and 9 age-matched controls. Participants generated maximum voluntary torques (MVTs) in five different directions and completed ballistic reaches while producing up to 80% of shoulder abduction MVT. Electromyography (EMG) signals were recorded from six upper extremity muscles bilaterally. Participants with HCP demonstrated more mirrored activation when volitionally contracting the non-paretic (NP) arm than the paretic arm (F = 83.543, p < 0.001) in isometric efforts. Increased EMG activation during reach acceleration resulted in a larger increase in rest arm co-activation when reaching with the NP arm compared to the paretic arm in the HCP group (t = 8.425, p < 0.001). Mirrored activation is more pronounced when driving the NP arm and scales with effort level. This directionality of mirroring is indicative of the use of ipsilaterally terminating projections of the corticospinal tract (CST) originating in the non-lesioned hemisphere. Peripheral measures of muscle activation provide insight into the descending pathways available for control of the upper extremity after early unilateral brain injury.
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Affiliation(s)
- Nayo M Hill
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, United States.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States
| | - Theresa Sukal-Moulton
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, United States.,Department of Pediatrics, Northwestern University, Chicago, IL, United States
| | - Julius P A Dewald
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, United States.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States.,Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, United States
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17
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Abstract
BACKGROUND Perinatal stroke is a leading cause of hemiparetic cerebral palsy and lifelong disability. Neurodevelopmental outcomes are difficult to predict and markers of long-term poor outcome continue to be investigated. Deceleration in growth of head circumference has been associated with worse developmental outcomes in neonatal brain injury. We hypothesized that perinatal stroke would result in decreased rates of head growth during childhood that would be associated with worse developmental outcomes. METHODS Patients with magnetic resonance imaging (MRI)-confirmed neonatal arterial ischemic stroke and arterial presumed perinatal ischemic stroke were identified from a population-based research cohort (Alberta Perinatal Stroke Project). Demographics and occipital-frontal circumference data were collected from medical records. Head growth was compared to typically developing control charts using a 2-tailed t test. The Fisher exact test was used to examine associations between Pediatric Stroke Outcome Measures (PSOM) scores and occipital-frontal head circumference. RESULTS Three hundred fifteen occipital-frontal head circumference measurements were collected from 102 patients (48 female, 54 male), over a median of 3.2 years (standard deviation = 5.18, range = 0-18.3). After 3 months for female patients and 1 year for male patients, occipital-frontal head circumference deviated and remained below normal growth trajectories (P < .05) with a large effect size (Cohen d >0.8). Poor outcome (PSOM ≥ 1) was associated with smaller occipital-frontal head circumference (P < .05). CONCLUSION Head growth deceleration is observed in children with perinatal arterial ischemic stroke and is associated with poor outcome. Head circumference may be a tool to alert clinicians to the potential of abnormal neurologic outcome.
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Affiliation(s)
- Amanda Leong
- Calgary Pediatric Stroke Program, Alberta Children’s Hospital, Calgary, Alberta, Canada,Aleksandra Mineyko, MD, MSc, Department of Pediatrics and Clinical Neurosciences, Alberta Children's Hospital, Calgary, Alberta, Canada.
| | - Amalia Floer
- Calgary Pediatric Stroke Program, Alberta Children’s Hospital, Calgary, Alberta, Canada
| | - Adam Kirton
- Calgary Pediatric Stroke Program, Alberta Children’s Hospital, Calgary, Alberta, Canada,Department of Pediatrics and Clinical Neurosciences, Alberta Children’s Hospital, Calgary, Alberta, Canada
| | - Aleksandra Mineyko
- Calgary Pediatric Stroke Program, Alberta Children’s Hospital, Calgary, Alberta, Canada
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18
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Srivastava R, Shaw OEF, Armstrong E, Morneau-Jacob FD, Yager JY. Patterns of Brain Injury in Perinatal Arterial Ischemic Stroke and the Development of Infantile Spasms. J Child Neurol 2021; 36:583-588. [PMID: 33543672 DOI: 10.1177/0883073820986056] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Perinatal arterial ischemic stroke (PAIS) underlies approximately 10% of infantile spasms (IS). We aim to identify patterns of brain injury in ischemic stroke that may predispose infants to infantile spasms. METHODS Sixty-four perinatal arterial ischemic stroke patients were identified meeting the following inclusion criteria: term birth, magnetic resonance imaging (MRI) showing ischemic stroke or encephalomalacia in an arterial distribution, and follow-up records. Patients who developed infantile spasms (PAIS-IS) were analyzed descriptively for ischemic stroke injury patterns and were compared to a seizure-free control group (PAIS-only). Stroke injury was scored using the modified pediatric ASPECTS (modASPECTS). RESULTS The PAIS-IS (n = 9) group had significantly higher modASPECTS than the PAIS-only (n = 16) group (P = .002, Mann-Whitney). A greater proportion of PAIS-IS patients had injury to deep cerebral structures (67%) than PAIS-only (25%). CONCLUSION Infarct size was significantly associated with infantile spasms development. Results support theories implicating deep cerebral structures in infantile spasms pathogenesis. This may help identify perinatal arterial ischemic stroke patients at risk of infantile spasms, facilitating more timely diagnosis.
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Affiliation(s)
- Ratika Srivastava
- Division of Pediatric Neurology, Department of Pediatrics, Faculty of Medicine and Dentistry, 25484University of Alberta, Edmonton, Alberta, Canada.,Department of Pediatrics, Pediatric Neurosciences, Neuroscience and Mental Health Institute, Integrative Health Institute, Faculty of Medicine & Dentistry, Katz Group Centre for Pharmacy and Health Research, 25484University of Alberta, Edmonton, Alberta, Canada
| | - Oriana E F Shaw
- Department of Pediatrics, Pediatric Neurosciences, Neuroscience and Mental Health Institute, Integrative Health Institute, Faculty of Medicine & Dentistry, Katz Group Centre for Pharmacy and Health Research, 25484University of Alberta, Edmonton, Alberta, Canada
| | - Edward Armstrong
- Department of Pediatrics, Pediatric Neurosciences, Neuroscience and Mental Health Institute, Integrative Health Institute, Faculty of Medicine & Dentistry, Katz Group Centre for Pharmacy and Health Research, 25484University of Alberta, Edmonton, Alberta, Canada
| | - Francois-Dominique Morneau-Jacob
- Division of Pediatric Neurology, Department of Pediatrics, Faculty of Medicine and Dentistry, 25484University of Alberta, Edmonton, Alberta, Canada.,Department of Pediatrics, Pediatric Neurosciences, Neuroscience and Mental Health Institute, Integrative Health Institute, Faculty of Medicine & Dentistry, Katz Group Centre for Pharmacy and Health Research, 25484University of Alberta, Edmonton, Alberta, Canada
| | - Jerome Y Yager
- Division of Pediatric Neurology, Department of Pediatrics, Faculty of Medicine and Dentistry, 25484University of Alberta, Edmonton, Alberta, Canada.,Department of Pediatrics, Pediatric Neurosciences, Neuroscience and Mental Health Institute, Integrative Health Institute, Faculty of Medicine & Dentistry, Katz Group Centre for Pharmacy and Health Research, 25484University of Alberta, Edmonton, Alberta, Canada
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19
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Çaksen H, Köseoğlu FT, Güven AS, Altunhan H, İyisoy MS, Açıkgözoğlu S. Risk and Prognostic Factors in Perinatal Hemorrhagic Stroke. Ann Indian Acad Neurol 2021; 24:227-233. [PMID: 34220067 PMCID: PMC8232468 DOI: 10.4103/aian.aian_580_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/02/2020] [Accepted: 08/02/2020] [Indexed: 11/30/2022] Open
Abstract
Background: Perinatal stroke encompasses a heterogeneous group of focal neurological injuries early in brain development. In this study, we aimed to compare risk and prognostic factors in preterm and term infants with perinatal hemorrhagic stroke (PHS). Patients and Methods: The study includes 66 infants with PHS. The infants were evaluated for demographic characteristics, fetal and maternal risk factors, perinatal events, clinical and neuroimaging findings, complications, and sequales. Results: Of 66 infants with PHS, 44 (66.70%) were preterm and 22 (33.30%) were term infants. Primiparity, mucosal bleeding, and multiple lobes involvement were more common in term infants than preterm infants (P < 0.05); however, respiratory insufficiency, neonatal sepsis, perinatal asphyxia, respiratory distress syndrome, use of invasive mechanical ventilation, use of noninvasive mechanical ventilation, and prolonged hospitalization were more common in preterm infants than term infants (P < 0.05). Eight (12.12%) infants died during infancy period. Small for gestational age and mucosal bleeding were more common in infants who are dead than those alive (P < 0.05). Forty-two (63.63%) infants were followed. Cerebral palsy and/or epilepsy and/or hydrocephalus were diagnosed in 36 (85.72%) infants during follow-up. Conclusion: Our findings showed that PHS was much more common in preterm infants. Mucosal bleeding and multiple lobes involvement were more common in term infants. PHS has high morbidity and mortality rates. Small for gestational age and mucosal bleeding were more common in infants who are dead.
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Affiliation(s)
- Hüseyin Çaksen
- Department of Pediatrics, Division of Pediatric Neurology, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
| | - Fatma Tuba Köseoğlu
- Department of Pediatrics, Division of Pediatric Neurology, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
| | - Ahmet Sami Güven
- Department of Pediatrics, Division of Pediatric Neurology, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
| | - Hüseyin Altunhan
- Department of Pediatrics, Division of Neonatology, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
| | - Mehmet Sinan İyisoy
- Department of Medical Education, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
| | - Saim Açıkgözoğlu
- Department of Radiology, Necmettin Erbakan University, Meram Medical Faculty, Meram, Konya, Turkey
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20
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Mazzarella J, McNally M, Richie D, Chaudhari AMW, Buford JA, Pan X, Heathcock JC. 3D Motion Capture May Detect Spatiotemporal Changes in Pre-Reaching Upper Extremity Movements with and without a Real-Time Constraint Condition in Infants with Perinatal Stroke and Cerebral Palsy: A Longitudinal Case Series. Sensors (Basel) 2020; 20:s20247312. [PMID: 33352727 PMCID: PMC7766939 DOI: 10.3390/s20247312] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/29/2020] [Accepted: 12/16/2020] [Indexed: 11/28/2022]
Abstract
Perinatal stroke (PS), occurring between 20 weeks of gestation and 28 days of life, is a leading cause of hemiplegic cerebral palsy (HCP). Hallmarks of HCP are motor and sensory impairments on one side of the body—especially the arm and hand contralateral to the stroke (involved side). HCP is diagnosed months or years after the original brain injury. One effective early intervention for this population is constraint-induced movement therapy (CIMT), where the uninvolved arm is constrained by a mitt or cast, and therapeutic activities are performed with the involved arm. In this preliminary investigation, we used 3D motion capture to measure the spatiotemporal characteristics of pre-reaching upper extremity movements and any changes that occurred when constraint was applied in a real-time laboratory simulation. Participants were N = 14 full-term infants: N = six infants with typical development; and N = eight infants with PS (N = three infants with PS were later diagnosed with cerebral palsy (CP)) followed longitudinally from 2 to 6 months of age. We aimed to evaluate the feasibility of using 3D motion capture to identify the differences in the spatiotemporal characteristics of the pre-reaching upper extremity movements between the diagnosis group, involved versus uninvolved side, and with versus and without constraint applied in real time. This would be an excellent application of wearable sensors, allowing some of these measurements to be taken in a clinical or home setting.
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Affiliation(s)
- Julia Mazzarella
- Physical Therapy Division, School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA; (J.M.); (D.R.); (A.M.W.C.); (J.A.B.)
| | - Mike McNally
- Tampa Bay Rays, 1 Tropicana Dr., St. Petersburg, FL 33705, USA;
| | - Daniel Richie
- Physical Therapy Division, School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA; (J.M.); (D.R.); (A.M.W.C.); (J.A.B.)
| | - Ajit M. W. Chaudhari
- Physical Therapy Division, School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA; (J.M.); (D.R.); (A.M.W.C.); (J.A.B.)
- Department of Mechanical and Aerospace Engineering, College of Engineering, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA
| | - John A. Buford
- Physical Therapy Division, School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA; (J.M.); (D.R.); (A.M.W.C.); (J.A.B.)
| | - Xueliang Pan
- Center for Biostatistics, Department of Biomedical Informatics, College of Medicine, The Ohio State University, 1800 Cannon Drive, Columbus, OH 43210, USA;
| | - Jill C. Heathcock
- Physical Therapy Division, School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, 453 W 10th Ave., Columbus, OH 43210, USA; (J.M.); (D.R.); (A.M.W.C.); (J.A.B.)
- Correspondence:
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21
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Hill NM, Dewald JPA. The Upper Extremity Flexion Synergy Is Minimally Expressed in Young Individuals With Unilateral Cerebral Palsy Following an Early Brain Injury. Front Hum Neurosci 2020; 14:590198. [PMID: 33192425 PMCID: PMC7596321 DOI: 10.3389/fnhum.2020.590198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/25/2020] [Indexed: 01/04/2023] Open
Abstract
Hemiparetic stroke in adulthood often results in the grouped movement pattern of the upper extremity flexion synergy thought to arise from an increased reliance on cortico-reticulospinal pathways due to a loss of lateral corticospinal projections. It is well established that the flexion synergy induces reaching constraints in individuals with adult-onset hemiplegia. The expression of the flexion synergy in individuals with brain injuries onset earlier in the lifespan is currently unknown. An early unilateral brain injury occurring prior to six months post full-term may preserve corticospinal projections which can be used for independent joint control and thus minimizing the expression of the flexion synergy. This study uses kinematics of a ballistic reaching task to evaluate the expression of the flexion synergy in individuals with pediatric hemiplegia (PH) ages six to seventeen years. Fifteen individuals with brain injuries before birth (n = 8) and around full-term (n = 7) and nine age-matched controls with no known neurological impairment completed a set of reaches in an admittance controlled robotic device. Descending drive, and the possible expression of the upper extremity flexion synergy, was modulated by increasing shoulder abduction loading. Individuals with early-onset PH achieved lower peak velocities when reaching with the paretic arm compared to controls; however, no differences in reaching distance were found between groups. Relative maintenance in reaching seen in individuals with early brain injuries highlights minimal expression of the flexion synergy. We interpret this conservation of independent control of the paretic shoulder and elbow as the use of more direct corticospinal projections instead of indirect cortico-reticulospinal pathways used in individuals with adult-onset hemiplegia.
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Affiliation(s)
- Nayo M Hill
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States.,Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, United States
| | - Julius P A Dewald
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States.,Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, United States.,Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, United States
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22
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Lehman LL, Maletsky K, Beaute J, Rakesh K, Kapur K, Rivkin MJ, Mrakotsky C. Prevalence of Symptoms of Anxiety, Depression, and Post-traumatic Stress Disorder in Parents and Children Following Pediatric Stroke. J Child Neurol 2020; 35:472-479. [PMID: 32202201 DOI: 10.1177/0883073820909617] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Post-traumatic stress disorder (PTSD), anxiety, and depression are seen in parents and children following critical illness. Whether this exists in parents and children following pediatric stroke has not been thoroughly studied. We examined emotional outcomes in 54 mothers, 27 fathers, and 17 children with stroke. Parents of children 0-18 years and children 7-18 years who were within 2 years of stroke occurrence were asked to complete questionnaires to determine their emotional outcomes. Of participating mothers, 28% reported PTSD, 26% depression, and 4% anxiety; in fathers, 15% reported PTSD, 24% depression, and none reported anxiety. Further, children reported significant emotional difficulty, with 24% having depression, 14% anxiety, and 6% PTSD by self-report ratings. Maternal PTSD, anxiety and depression, and paternal anxiety were all negatively associated with the child's functional outcome. Clinically significant anxiety (based on clinical thresholds) was not found in fathers; however, continuous scores were still analyzed for association between subclinical anxiety and functional outcome, which revealed a statistically significant association between more reported symptoms and higher Recovery and Recurrence Questionnaire scores. Prevalence of PTSD and depression are greater in parents compared to the general population in this preliminary study.
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Affiliation(s)
- Laura L Lehman
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Kristin Maletsky
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA
| | - Jeanette Beaute
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA
| | - Kshitiz Rakesh
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Kush Kapur
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Michael J Rivkin
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Psychiatry, Boston Children's Hospital, Boston, MA, USA.,Department of Radiology Boston Children's Hospital, Boston, MA, USA
| | - Christine Mrakotsky
- Department of Neurology, Boston Children's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Psychiatry, Boston Children's Hospital, Boston, MA, USA
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23
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Giani T, Mauro A, Ferrara G, Cimaz R. Case Report: Infantile Ischemic Stroke and Antiphospholipid Antibodies, Description of Four Cases. Front Pediatr 2020; 8:596386. [PMID: 33330290 PMCID: PMC7732433 DOI: 10.3389/fped.2020.596386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/28/2020] [Indexed: 12/20/2022] Open
Abstract
Antiphospholipid syndrome (APS) is a rare condition in childhood, but even more in the neonatal age. Most neonatal cases are considered a passively acquired autoimmune disease, due to a transplacental passage of maternal antiphospholipid antibodies (aPL) from mothers with primary or secondary APS or, more often, from asymptomatic aPL carriers. Exceedingly unusual is the neonatal de novo production of aPL. We present four infants with presumed perinatal stroke in presence of increased and persistent aPL levels, even after 6 months of life, opening the window on a gray zone related to the origin of these antibodies (maternal or neonatal) and on their role in the pathogenesis of stroke.
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Affiliation(s)
- Teresa Giani
- Azienda Ospedaliera Universitaria Meyer, Florence, Italy.,Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Angela Mauro
- Emergency Department Santobono-Pausilipon Children's Hospital, Naples, Italy
| | | | - Rolando Cimaz
- Azienda Socio Sanitaria Territoriale G-Pini, Milan, Italy.,Department of Clinical Sciences and Community Health and Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy
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24
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Abstract
Perinatal stroke is a significant cause of severe epilepsy, including epileptic spasms. Although epileptic spasms due to underlying structural lesion often respond poorly to treatment and evolve into drug-resistant epilepsy, outcomes are not uniformly poor, and predictors of outcomes are not well described. We performed a single-institution retrospective review of epileptic spasms following perinatal stroke to determine if outcome depended on vascular subtype. We identified 24 children with epileptic spasms due to perinatal ischemic stroke: 11 cases of perinatal arterial stroke and 13 cases of perinatal venous infarct. Initial response to treatment was similar between groups; however, although children with perinatal arterial stroke who responded to epileptic spasms therapy had high rates of seizure freedom, many children with perinatal venous infarct, regardless of initial response, had residual drug-resistant epilepsy. We consider whether the mechanism for epileptogenesis may be different between arterial and venous strokes, and whether these 2 groups should be monitored for epileptic spasms, and subsequent epilepsy, differently.
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Affiliation(s)
- Jason P Lockrow
- Department of Neurology, Section of Pediatric Neurology, University of Washington, Seattle, WA, USA
| | - Jason N Wright
- Department of Neurology, Section of Neuroradiology, University of Washington, Seattle, WA, USA
| | - Russell P Saneto
- Department of Neurology, Section of Pediatric Neurology, University of Washington, Seattle, WA, USA
| | - Catherine Amlie-Lefond
- Department of Neurology, Section of Pediatric Neurology, University of Washington, Seattle, WA, USA
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25
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Kowalski JL, Nemanich ST, Nawshin T, Chen M, Peyton C, Zorn E, Hickey M, Rao R, Georgieff M, Rudser K, Gillick BT. Motor Evoked Potentials as Potential Biomarkers of Early Atypical Corticospinal Tract Development in Infants with Perinatal Stroke. J Clin Med 2019; 8:jcm8081208. [PMID: 31412592 PMCID: PMC6723226 DOI: 10.3390/jcm8081208] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 07/31/2019] [Accepted: 08/09/2019] [Indexed: 11/16/2022] Open
Abstract
Diagnosis of cerebral palsy (CP) after perinatal stroke is often delayed beyond infancy, a period of rapid neuromotor development with heightened potential for rehabilitation. This study sought to assess whether the presence or absence of motor evoked potentials (MEPs) elicited by transcranial magnetic stimulation (TMS) could be an early biomarker of atypical development within the first year of life. In 10 infants with perinatal stroke, motor outcome was assessed with a standardized movement assessment. Single-pulse TMS was utilized to assess presence of MEPs. Younger infants (3-6 months CA, n = 5, 4/5 (80%)) were more likely to present with an MEP from the more-affected hemisphere (MAH) compared to older infants (7-12 months CA, n = 5, 0/5, (0%)) (p = 0.048). Atypical movement was demonstrated in the majority of infants with an absent MEP from the MAH (5/6, 83%) compared to those with a present MEP (1/4, 25%) (p = 0.191). We found that age influences the ability to elicit an MEP from the MAH, and motor outcome may be related to MAH MEP absence. Assessment of MEPs in conjunction with current practice of neuroimaging and motor assessments could promote early detection and intervention in infants at risk of CP.
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Affiliation(s)
- Jesse L Kowalski
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN 55455, USA
| | - Samuel T Nemanich
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN 55455, USA
| | - Tanjila Nawshin
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN 55455, USA
| | - Mo Chen
- Department of Psychiatry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Colleen Peyton
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL 60611, USA
| | - Elizabeth Zorn
- Division of Neonatology, Children's Hospitals and Clinics of Minnesota, Minneapolis, MN 55455, USA
| | - Marie Hickey
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Raghavendra Rao
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Michael Georgieff
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Kyle Rudser
- Division of Biostatistics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Bernadette T Gillick
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN 55455, USA.
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26
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Nuara A, Papangelo P, Avanzini P, Fabbri-Destro M. Body Representation in Children With Unilateral Cerebral Palsy. Front Psychol 2019; 10:354. [PMID: 30837926 PMCID: PMC6389686 DOI: 10.3389/fpsyg.2019.00354] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 02/05/2019] [Indexed: 11/25/2022] Open
Abstract
Drawings produced by children provide insights about their physical and psychological status. In children suffering from unilateral cerebral palsy (UCP), self-portraits constitute a unique opportunity to study whether and how their disease affects self-body representation. The aim of the present study is to evaluate self-body representation in UCP children, comparing it to the way they portray both healthy and hemiparetic peers. Ten UCP children were asked to perform 3 drawings: a self-portrait, a portrait of their best classmate, and finally a portrait of a hemiparetic peer who had joint them in a child-to-child rehabilitation protocol. As controls, 16 typically developing children were asked to perform a self-portrait, and their best-classmate portrait. The asymmetry index (AI), consisting of the difference between the upper limbs length expressed as percentage of their average, resulted greater in UCP than in controls’ self-portrait. More interestingly, UCP children portrayed themselves more asymmetrically relative to their classmates and hemiparetic peers. No difference in terms of AI was found between self- vs. classmate-portrait in the control group. This study provides evidence that UCP affects body self-representation, but not body-representation in general. In fact, the asymmetry in upper limb representation observed in children with UCP does not constitute a mere picturing of the hemiparesis, but rather reflects the experienced status of functioning, that is valid only for one’s own. The inclusion of portraits in pediatric neurorehabilitation programs might enable clinicians to collect additional evidence about the children self-perceived functioning, i.e., an information not easily obtainable in pediatric patients.
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Affiliation(s)
- Arturo Nuara
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy.,Dipartimento di Scienze Biomediche, Metaboliche e Neuroscienze, Università di Modena e Reggio Emilia, Modena, Italy
| | - Pamela Papangelo
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | - Pietro Avanzini
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy
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27
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Marcroft C, Tsutsumi A, Pearse J, Dulson P, Embleton ND, Basu AP. Current Therapeutic Management of Perinatal Stroke with a Focus on the Upper Limb: A Cross-Sectional Survey of UK Physiotherapists and Occupational Therapists. Phys Occup Ther Pediatr 2019; 39:151-167. [PMID: 30211625 DOI: 10.1080/01942638.2018.1503212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AIM To determine current UK pediatric physiotherapist (PT) and occupational therapist (OT) management of perinatal stroke. DESIGN Web-based cross-sectional survey. METHODS Participants were members of the Association of Paediatric Chartered Physiotherapists and Occupational Therapists specialist section: children young people and families working with infants. Items covered prioritization of referrals, assessments, therapy approaches aimed at the upper limb, and parental support. RESULTS 179 therapists responded. 87.2% of PTs and 63.0% of OTs managed infants with perinatal stroke. Infants with clinical signs of motor dysfunction at referral were prioritized for early initial assessment. The most frequently used assessments were the Alberta Infant Motor Scale (AIMS) and Bayley Scales of Infant Development (BSID). Of PTs and OTs, 41.9 and 40.0% used no standardized assessments. Frequently used therapy interventions were Bobath/Neurodevelopmental Therapy (NDT), positioning aids and passive movements. 88.1% of therapists would choose a bilateral rather than unilateral (affected side) therapy approach for infants with perinatal stroke aged up to 6 months. Of PTs and OTs, 56.9 and 57.1% provided psychological support to families. CONCLUSIONS Assessment and provision of therapy services following perinatal stroke is variable. Increased use of standardized assessments and centralized data collection regarding service provision for high-risk infants is recommended.
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Affiliation(s)
- Claire Marcroft
- a Newcastle upon Tyne Hospitals NHS Foundation Trust , Newcastle Neonatal Service , Newcastle upon Tyne , UK
| | | | - Janice Pearse
- c Newcastle upon Tyne Hospitals NHS Foundation Trust , Paediatric Occupational Therapy Services , Newcastle upon Tyne , UK
| | - Pat Dulson
- a Newcastle upon Tyne Hospitals NHS Foundation Trust , Newcastle Neonatal Service , Newcastle upon Tyne , UK
| | - Nicholas D Embleton
- a Newcastle upon Tyne Hospitals NHS Foundation Trust , Newcastle Neonatal Service , Newcastle upon Tyne , UK.,d Institute of Health and Society, Newcastle University , Newcastle upon Tyne , UK
| | - Anna P Basu
- e Institute of Neuroscience, Newcastle University , Newcastle upon Tyne , UK.,f Department of Paediatric Neurology , Newcastle upon Tyne Hospitals NHS Foundation Trust , Newcastle upon Tyne , UK
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28
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Saunders J, Carlson HL, Cortese F, Goodyear BG, Kirton A. Imaging functional motor connectivity in hemiparetic children with perinatal stroke. Hum Brain Mapp 2018; 40:1632-1642. [PMID: 30447082 DOI: 10.1002/hbm.24474] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 11/02/2018] [Accepted: 11/05/2018] [Indexed: 01/18/2023] Open
Abstract
Perinatal stroke causes lifelong disability, particularly hemiparetic cerebral palsy. Arterial ischemic strokes (AIS) are large, cortical, and subcortical injuries acquired near birth due to acute occlusion of the middle cerebral artery. Periventricular venous infarctions (PVI) are smaller, subcortical strokes acquired prior to 34 weeks gestation involving injury to the periventricular white matter. Both stroke types can damage motor pathways, thus, we investigated resulting alterations in functional motor networks and probed function. We measured blood oxygen level dependent (BOLD) fluctuations at rest in 38 participants [10 arterial patients (age = 14.7 ± 4.1 years), 10 venous patients (age = 13.5 ± 3.7 years), and 18 typically developing controls (TDCs) (age = 15.3 ± 5.1 years)] and explored strength and laterality of functional connectivity in the motor network. Inclusion criteria included MRI-confirmed, unilateral perinatal stroke, symptomatic hemiparetic cerebral palsy, and 6-19 years old at time of imaging. Seed-based functional connectivity analyses measured temporal correlations in BOLD response over the whole brain using primary motor cortices as seeds. Laterality indices based on mean z-scores in lesioned and nonlesioned hemispheres explored laterality. In AIS patients, significant differences in both strength and laterality of motor network connections were observed compared with TDCs. In PVI patients, motor networks largely resembled those of healthy controls, albeit slightly weaker and asymmetric, despite subcortical damage and hemiparesis. Functional connectivity strengths were not related to motor outcome scores for either stroke group. This study serves as a foundation to better understand how resting-state fMRI can assess motor functional connectivity and potentially be applied to explore mechanisms of interventional therapies after perinatal stroke.
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Affiliation(s)
- Jennifer Saunders
- Neuroscience Graduate Program, University of Calgary, Calgary, Alberta, Canada.,Calgary Pediatric Stroke Program, Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Helen L Carlson
- Calgary Pediatric Stroke Program, Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Filomeno Cortese
- Seaman Family MR Research Centre, Foothills Medical Centre, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Bradley G Goodyear
- Seaman Family MR Research Centre, Foothills Medical Centre, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Departments of Radiology and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Adam Kirton
- Calgary Pediatric Stroke Program, Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Departments of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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29
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Abstract
Fetal vascular malperfusion is the most recent term applied to a group of placental lesions indicating reduced or absent perfusion of the villous parenchyma by the fetus. The most common etiology of malperfusion is umbilical cord obstruction leading to stasis, ischemia, and in some cases thrombosis. Other contributing factors may include maternal diabetes, fetal cardiac insufficiency or hyperviscosity, and inherited or acquired thrombophilias. Severe or high grade fetal vascular malperfusion is an important risk factor for adverse pregnancy outcomes including fetal growth restriction, fetal CNS injury, and stillbirth. Overall recurrence risk for subsequent pregnancies is low.
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Affiliation(s)
- Raymond W Redline
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA.,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Sanjita Ravishankar
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA.,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
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30
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Munoz D, Hidalgo MJ, Balut F, Troncoso M, Lara S, Barrios A, Parra P. Risk Factors for Perinatal Arterial Ischemic Stroke: A Case-Control Study. Cell Med 2018; 10:2155179018785341. [PMID: 32634191 PMCID: PMC6172995 DOI: 10.1177/2155179018785341] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction Arterial ischemic stroke in newborns is an important cause of neonatal morbidity and mortality. Its pathophysiology and associated risk factors are not yet clearly understood and defined. Objective The aim of this retrospective study was to investigate possible risk factors in diagnosed cases of PAIS (perinatal arterial ischemic stroke). Materials and methods Case-control study. Clinical data of patients with PAIS diagnosis were analyzed. Two healthy controls were selected for each PAIS case, matched for gestational age. Risk factors were explored using univariable and multivariable analysis. Outcome 40 patients were included in the study, 24 males and 16 females; 52.5% of cases were diagnosed within the first month of birth, and 47.5% were retrospectively diagnosed. The results showed a male predominance (66.7%). The distribution of cerebral ischemic injury was predominantly medial cerebral artery (87.5%) and occurred more commonly in the left cerebral hemisphere (62.5%). Significant risk factors in the univariate analysis (P < 0.05) were primiparity, stillbirth, neonatal sepsis, asphyxia, twin pregnancy, placenta abruption, emergency cesarean section, Apgar score ≤7 after 5 min, breech presentation, and hyperbilirubinemia. In the multivariate analysis, primiparity (OR 11.74; CI 3.28-42.02), emergency cesarean section (OR 13.79; CI 3.51-54.13), birth asphyxia (OR 40.55; CI 3.08-532.94) and Apgar score ≤7 after 5 min (OR 13.75; CI 1.03-364.03) were significantly associated factors with PAIS. Only five (16.6%) patients had an abnormal thrombophilia study. Conclusion Risk factors of primiparity, emergency cesarean section, birth asphyxia, and Apgar score ≤7 after 5 min were significantly associated with perinatal stroke. More studies with a larger number of patients and with prolonged follow up are required to establish more clearly the associated risk factors involved in this pathology.
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Affiliation(s)
- Daniela Munoz
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
- Daniela Munoz, Department of Pediatric Neurology and
Psychiatry, San Borja Arriarán Hospital, University of Chile, Región Metropolitana, Santa
Rosa Avenue, 1234, Santiago, Chile.
| | - María José Hidalgo
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
| | - Fernanda Balut
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
| | - Mónica Troncoso
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
| | - Susana Lara
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
| | - Andrés Barrios
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
| | - Patricia Parra
- Department of Pediatric Neurology and Psychiatry, San Borja Arriarán
Hospital, University of Chile, Santiago, Chile
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31
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Basuodan R, Basu AP, Clowry GJ. Human neural stem cells dispersed in artificial ECM form cerebral organoids when grafted in vivo. J Anat 2018; 233:155-166. [PMID: 29745426 DOI: 10.1111/joa.12827] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2018] [Indexed: 12/11/2022] Open
Abstract
Human neural stem cells (hNSC) derived from induced pluripotent stem cells can be differentiated into neurons that could be used for transplantation to repair brain injury. In this study we dispersed such hNSC in a three-dimensional artificial extracellular matrix (aECM) and compared their differentiation in vitro and following grafting into the sensorimotor cortex (SMC) of postnatal day (P)14 rat pups lesioned by localised injection of endothelin-1 at P12. After 10-43 days of in vitro differentiation, a few cells remained as PAX6+ neuroprogenitors but many more resembled post-mitotic neurons expressing doublecortin, β-tubulin and MAP2. These cells remained dispersed throughout the ECM, but with extended long processes for over 50 μm. In vivo, by 1 month post grafting, cells expressing human specific markers instead organised into cerebral organoids: columns of tightly packed PAX6 co-expressing progenitor cells arranged around small tubular lumen in rosettes, with a looser network of cells with processes around the outside co-expressing markers of immature neurons including doublecortin, and CTIP2 characteristic of corticofugal neurons. Host cells also invaded the graft including microglia, astrocytes and endothelial cells forming blood vessels. By 10 weeks post-grafting, the organoids had disappeared and the aECM had started to break down with fewer transplanted cells remaining. In vitro, cerebral organoids form in rotating incubators that force oxygen and nutrients to the centre of the structures. We have shown that cerebral organoids can form in vivo; intrinsic factors may direct their organisation including infiltration by host blood vessels.
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Affiliation(s)
- Reem Basuodan
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK.,Health and Rehabilitation Sciences, Princess Noura bint Abdulrhman University, Riyadh, Saudi Arabia
| | - Anna P Basu
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
| | - Gavin J Clowry
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
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Mineyko A, Qi W, Carlson HL, Bello-Espinosa L, Brooks BL, Kirton A. Neuropsychological Outcome in Perinatal Stroke Associated With Epileptiform Discharges in Sleep. Can J Neurol Sci 2017; 44:358-65. [PMID: 28767035 DOI: 10.1017/cjn.2017.29] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Patients with arterial perinatal stroke often suffer long-term motor sequelae, difficulties in language, social development, and behaviour as well as epilepsy. Despite homogeneous lesions, long-term behavioural and cognitive outcomes are variable and unpredictable. Sleep-related epileptic encephalopathies can occur after early brain injury and are associated with global developmental delays. We hypothesized that sleep-potentiated epileptiform abnormalities are associated with worse developmental outcomes after perinatal stroke. METHODS Participants were identified from a population-based cohort (Alberta Perinatal Stroke Project). Inclusion criteria were magnetic resonance imaging-confirmed arterial perinatal stroke, age 4 to 18 years, electroencephalogram (EEG) including sleep, and comprehensive neuropsychological evaluation. Sleep-related EEG abnormalities were categorized by an epileptologist blinded to the cognitive outcome. Associations between EEG classification and neuropsychological outcomes were explored (t tests, Bonferroni correction for multiple comparisons). RESULTS Of 128 potentially eligible participants, 34 (53% female) had complete EEG (mean age, 8.1 years; range, 0.2-16.4) and neuropsychology testing (mean age, 9.8 years; range 4.4-16.7). Twelve (35%) were classified as having electrical status epilepticus in sleep. Patients with abnormal EEGs were more likely to have statistically worse scores when corrected for multiple comparisons, in receptive language (median, 1st percentile; IQR 1-7th percentile; p<0.05), and externalizing behaviours (median, 82nd percentile; IQR, 79-97th percentile; p<0.05). CONCLUSIONS Developmental outcome in language and behaviour in children with arterial perinatal stroke is associated with electrical status epilepticus in sleep. Increased screening with sleep EEG is suggested, whereas further studies are necessary to determine if treatment of EEG abnormalities can improve outcome.
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Abstract
OBJECTIVE Here we review the current literature regarding visual outcome after perinatal and childhood stroke. BACKGROUND Visual deficits following stroke in adults are common and have been previously reviewed. Less is known about visual deficits following stroke in neonates and older children. Most of the literature regarding this subject has focused on preterm infants, or on other types of brain injury. This review summarizes the types of visual deficits seen in term infants following perinatal stroke and children following childhood stroke and predictors of outcome. This review suggests areas for future research. METHODS We performed Ovid MEDLINE searches regarding visual testing in children, vision after childhood stroke, neuroplasticity of vision, treatment of visual impairment after stroke, and driving safety concerns after stroke. RESULTS Visual field defects were the most commonly reported visual deficits after perinatal and childhood stroke. There is a significant lack of literature on this subject, and most is in the form of case reports and case series. Children can experience significant visual morbidity after stroke, and have the potential to show some recovery, but guidelines on assessment and treatment of this population are lacking. CONCLUSIONS There were limitations to this study, given the small amount of literature available. Although stroke in children can result in severe visual deficits, most children regain at least a portion of their vision. However, more research is needed regarding visual assessment of this population, long-term visual outcomes, specific predictors of recovery, and treatment options.
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Affiliation(s)
- Lauren B Crawford
- Division of Pediatric Neurology, Department of Neurology, Indiana University School of Medicine, Riley Hospital for Children, Indianapolis, Indiana
| | - Meredith R Golomb
- Division of Pediatric Neurology, Department of Neurology, Indiana University School of Medicine, Riley Hospital for Children, Indianapolis, Indiana.
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Bernson-Leung ME, Boyd TK, Meserve EE, Danehy AR, Kapur K, Trenor CC, Lehman LL, Rivkin MJ. Placental Pathology in Neonatal Stroke: A Retrospective Case-Control Study. J Pediatr 2018; 195:39-47.e5. [PMID: 29397159 DOI: 10.1016/j.jpeds.2017.11.061] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 10/24/2017] [Accepted: 11/29/2017] [Indexed: 01/21/2023]
Abstract
OBJECTIVE To assess the association of placental abnormalities with neonatal stroke. STUDY DESIGN This retrospective case-control study at 3 academic medical centers examined placental specimens for 46 children with neonatal arterial or venous ischemic stroke and 99 control children without stroke, using a standard protocol. Between-group comparisons used χ2 and Fisher exact t test. Correlations used Spearman correlation coefficient. RESULTS Case placentas were more likely than controls to meet criteria for ≥1 of 5 major categories of pathologic abnormality (89% vs 62%; OR, 5.1; 95% CI, 1.9-14.0; P = .0007) and for ≥2 categories (38% vs 8%; OR, 7.3; 95% CI, 2.9-19.0; P < .0001). Fetal vascular malperfusion occurred in 50% of cases and 17% of controls (OR, 4.8; 95% CI, 2.2-10.5; P = .0001). Amniotic fluid inflammation occurred in 46% of cases with arterial ischemic stroke vs 25% of controls (OR, 2.6; 95% CI, 1.1-6.1; P = .037). There was evidence of a "stress response" (meconium plus elevated nucleated red blood cells) in 24% of cases compared with 1% of controls (OR, 31; 95% CI, 3.8-247.0; P < .0001). CONCLUSIONS Placental abnormality was more common in children with neonatal stroke compared with controls. All placental findings represent subacute-to-chronic intrauterine stressors. Placental thrombotic processes were associated with both arterial and venous stroke. Our findings provide evidence for specific mechanisms that may predispose to acute perinatal stroke. Amniotic fluid inflammation associated with neonatal arterial ischemic stroke deserves further investigation.
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Affiliation(s)
- Miya E Bernson-Leung
- Department of Neurology, Boston Children's Hospital, Boston, MA; Stroke and Cerebrovascular Center, Boston Children's Hospital, Boston, MA
| | - Theonia K Boyd
- Department of Pathology, Boston Children's Hospital, Boston, MA; Department of Pathology, Brigham and Women's Hospital, Boston, MA
| | - Emily E Meserve
- Department of Pathology, Brigham and Women's Hospital, Boston, MA
| | - Amy R Danehy
- Department of Radiology, Boston Children's Hospital, Boston, MA
| | - Kush Kapur
- Department of Neurology, Boston Children's Hospital, Boston, MA
| | - Cameron C Trenor
- Stroke and Cerebrovascular Center, Boston Children's Hospital, Boston, MA; Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA
| | - Laura L Lehman
- Department of Neurology, Boston Children's Hospital, Boston, MA; Stroke and Cerebrovascular Center, Boston Children's Hospital, Boston, MA
| | - Michael J Rivkin
- Department of Neurology, Boston Children's Hospital, Boston, MA; Stroke and Cerebrovascular Center, Boston Children's Hospital, Boston, MA; Department of Pathology, Brigham and Women's Hospital, Boston, MA; Department of Radiology, Boston Children's Hospital, Boston, MA; Department of Psychiatry, Boston Children's Hospital, Boston, MA.
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Musselman KE, Manns P, Dawe J, Delgado R, Yang JF. The Feasibility of Functional Electrical Stimulation to Improve Upper Extremity Function in a Two-year-old Child with Perinatal Stroke: A Case Report. Phys Occup Ther Pediatr 2018; 38:97-112. [PMID: 28071962 DOI: 10.1080/01942638.2016.1255291] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AIMS To evaluate the effectiveness and feasibility (i.e. tolerability, adherence) of functional electrical stimulation (FES) for the upper extremity (UE) in a two-year-old child with perinatal stroke. METHODS Forty hours of FES over eight weeks was prescribed. FES to the hemiplegic triceps, extensor carpi radialis longus and brevis, extensor carpi ulnaris and extensor digitorum was timed with reaching during play. Assessments were performed before, during, and two months post-intervention. UE function (Melbourne Assessment 2 (MA2), Assisting Hand Assessment (AHA)) and spasticity (Modified Tardieu with electrogoniometry and electromyography) were measured. The mother completed a semi-structured interview post-intervention. Descriptive statistics were used for adherence and UE measures. A repeated-measures ANOVA compared Modified Tardieu parameters (e.g. catch angle) over time. Conventional content analysis was used for the interview data. RESULTS The child completed 39.2/40 hours. Immediately post-intervention, improvements were observed on MA2's Range of Motion subscale and catch angle (Modified Tardieu, p < 0.001). Two months post-intervention, improvements were observed on MA2's Accuracy and Fluency subscales. No change in AHA score occurred. Three themes emerged from the interview: (1) Ingredients for program success; (2) Information about the FES device; and (3) The child's response. CONCLUSIONS UE FES was feasible in a two-year-old child with hemiplegia.
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Affiliation(s)
- Kristin E Musselman
- a Toronto Rehabilitation Institute-University Health Network , Toronto , ON , Canada.,b Department of Physical Therapy , Faculty of Medicine, University of Toronto , Toronto , ON , Canada.,c School of Physical Therapy, College of Medicine, University of Saskatchewan , Saskatoon , SK , Canada.,d Rehabilitation Sciences Institute, University of Toronto , Toronto , ON , Canada
| | - Patricia Manns
- e Department of Physical Therapy , Faculty of Rehabilitation Medicine, University of Alberta , Edmonton , AB , Canada
| | - Jaclyn Dawe
- d Rehabilitation Sciences Institute, University of Toronto , Toronto , ON , Canada
| | - Rhina Delgado
- f University of Alberta Hospital , Edmonton , AB , Canada
| | - Jaynie F Yang
- e Department of Physical Therapy , Faculty of Rehabilitation Medicine, University of Alberta , Edmonton , AB , Canada.,g Neuroscience & Mental Health Institute, University of Alberta , Edmonton , AB , Canada
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Abstract
Microglial cells are now recognized as the "gate-keepers" of healthy brain microenvironment with their disrupted functions adversely affecting neurovascular integrity, neuronal homeostasis, and network connectivity. The perception that these cells are purely toxic under neurodegenerative conditions has been challenged by a continuously increasing understanding of their complexity, the existence of a broad array of microglial phenotypes, and their ability to rapidly change in a context-dependent manner to attenuate or exacerbate injuries of different nature. Recent studies have demonstrated that microglial cells exert crucial physiological functions during embryonic and postnatal brain development, some of these functions being unique to particular stages of development, and extending far beyond sensing dangerous signals and serving as antigen presenting cells. In this focused review we cover the roles of microglial cells in regulating embryonic vasculogenesis, neurogenesis, and establishing network connectivity during postnatal brain development. We further discuss context-dependent microglial contribution to neonatal brain injuries associated with prenatal and postnatal infection and inflammation, in relation to neurodevelopmental disorders, as well as perinatal hypoxia-ischemia and arterial focal stroke. We also emphasize microglial phenotypic diversity, notably at the ultrastructural level, and their sex-dependent influence on the pathophysiology of neurodevelopmental disorders.
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Kuczynski AM, Dukelow SP, Hodge JA, Carlson HL, Lebel C, Semrau JA, Kirton A. Corticospinal tract diffusion properties and robotic visually guided reaching in children with hemiparetic cerebral palsy. Hum Brain Mapp 2017; 39:1130-1144. [PMID: 29193460 DOI: 10.1002/hbm.23904] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 10/01/2017] [Accepted: 11/22/2017] [Indexed: 12/20/2022] Open
Abstract
Perinatal stroke is the leading cause of hemiparetic cerebral palsy (CP), resulting in life-long disability. In this study, we examined the relationship between robotic upper extremity motor impairment and corticospinal tract (CST) diffusion properties. Thirty-three children with unilateral perinatal ischemic stroke (17 arterial, 16 venous) and hemiparesis were recruited from a population-based research cohort. Bilateral CSTs were defined using diffusion tensor imaging (DTI) and four diffusion metrics were quantified: fractional anisotropy (FA), mean (MD), radial (RD), and axial (AD) diffusivities. Participants completed a visually guided reaching task using the KINARM robot to define 10 movement parameters including movement time and maximum speed. Twenty-six typically developing children underwent the same evaluations. Partial correlations assessed the relationship between robotic reaching and CST diffusion parameters. All diffusion properties of the lesioned CST differed from controls in the arterial group, whereas only FA was reduced in the venous group. Non-lesioned CST diffusion measures were similar between stroke groups and controls. Both stroke groups demonstrated impaired reaching performance. Multiple reaching parameters of the affected limb correlated with lesioned CST diffusion properties. Lower FA and higher MD were associated with greater movement time. Few correlations were observed between non-lesioned CST diffusion and unaffected limb function though FA was associated with reaction time (R = -0.39, p < .01). Diffusion properties of the lesioned CST are altered after perinatal stroke, the degree of which correlates with specific elements of visually guided reaching performance, suggesting specific relevance of CST structural connectivity to clinical motor function in hemiparetic children.
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Affiliation(s)
- Andrea M Kuczynski
- University of Calgary, Calgary, Alberta, Canada.,Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Sean P Dukelow
- University of Calgary, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Jacquie A Hodge
- Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Helen L Carlson
- Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Catherine Lebel
- University of Calgary, Calgary, Alberta, Canada.,Department of Radiology, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Jennifer A Semrau
- University of Calgary, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Adam Kirton
- University of Calgary, Calgary, Alberta, Canada.,Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
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Lee CC, Lin JJ, Lin KL, Lim WH, Hsu KH, Hsu JF, Fu RH, Chiang MC, Chu SM, Lien R. Clinical Manifestations, Outcomes, and Etiologies of Perinatal Stroke in Taiwan: Comparisons between Ischemic, and Hemorrhagic Stroke Based on 10-year Experience in A Single Institute. Pediatr Neonatol 2017; 58:270-277. [PMID: 28087259 DOI: 10.1016/j.pedneo.2016.07.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 06/02/2016] [Accepted: 07/08/2016] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Perinatal stroke is a common cause of established neurological sequelae. Although several risk factors have been identified, many questions regarding causes and clinical outcomes remain unanswered. This study investigated the clinical manifestations and outcomes of perinatal stroke and identified its etiologies in Taiwan. METHODS We searched the reports of head magnetic resonance imaging and computed tomography performed between January 2003 and December 2012. The medical records of enrolled infants with perinatal stroke were also reviewed. RESULTS Thirty infants with perinatal stroke were identified; 10 infants had perinatal arterial ischemic stroke (PAIS) and 20 had perinatal hemorrhagic stroke (PHS). Neonatal seizure was the most common manifestation and presented in 40% of infants with PAIS and 50% of infants with PHS. All survivors with PAIS and 77% of the surviving infants with PHS developed neurological sequelae. Acute seizure manifestation was associated with poststroke epilepsy in infants with PHS but not in infants with PAIS (86% vs. 0%, p=0.005). PAIS was mostly caused by dysfunctional hemostasis (20%) and embolism (20%), whereas PHS was mostly attributable to birth asphyxia (30%). CONCLUSION Perinatal stroke is associated with high mortality and morbidity rates in infants. Clinically, it can be difficult to distinguish PAIS and PHS. One should keep a high level of suspicion, especially for PHS, if infants develop unexplained seizure, cyanosis, conscious change, anemia, and/or thrombocytopenia. A systematic diagnostic approach is helpful in identifying the etiologies of perinatal stroke.
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Affiliation(s)
- Chien-Chung Lee
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Jainn-Jim Lin
- Division of Pediatric Neurology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Kuang-Lin Lin
- Division of Pediatric Neurology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Wai-Ho Lim
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Kai-Hsiang Hsu
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Jen-Fu Hsu
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Ren-Huei Fu
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Ming-Chou Chiang
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Shih-Ming Chu
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC
| | - Reyin Lien
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, School of Medicine, Chang Gung University, No. 5, Fu-Shing Street, Kwei-Shan, Taoyuan, Taiwan, ROC.
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Chen CY, Georgieff M, Elison J, Chen M, Stinear J, Mueller B, Rao R, Rudser K, Gillick B. Understanding Brain Reorganization in Infants With Perinatal Stroke Through Neuroexcitability and Neuroimaging. Pediatr Phys Ther 2017; 29:173-8. [PMID: 28350777 DOI: 10.1097/PEP.0000000000000365] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
PURPOSE The primary aim of this proposed study is to evaluate brain reorganization patterns in infants with perinatal stroke between 3 and 5 months of age using transcranial magnetic stimulation and magnetic resonance imaging, with the addition of the General Movements Assessment. A secondary aim is to demonstrate feasibility and safety of infant-appropriate brain assessment protocols. METHODS Ten infants with perinatal stroke will be enrolled. In this exploratory study, infants will first receive magnetic resonance imaging scanning during natural sleep to examine their corticospinal tract integrity. Infants will then receive transcranial magnetic stimulation to assess their corticomotor excitability. A General Movements Assessment video of at least 5 minutes will also be recorded. DISCUSSION Study results will enhance our understanding of brain reorganization in infants with perinatal stroke. We expect these results will also guide the development of early interventions designed to mitigate maladaptive neuroplastic changes and improve long-term motor outcomes.
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40
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Lee S, Mirsky DM, Beslow LA, Amlie-Lefond C, Danehy AR, Lehman L, Stence NV, Vossough A, Wintermark M, Rivkin MJ; International Paediatric Stroke Study Neuroimaging Consortium and the Paediatric Stroke Neuroimaging Consortium. Pathways for Neuroimaging of Neonatal Stroke. Pediatr Neurol 2017; 69:37-48. [PMID: 28262550 DOI: 10.1016/j.pediatrneurol.2016.12.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 12/19/2016] [Indexed: 11/21/2022]
Abstract
PURPOSE To provide consensus-based, suggested imaging protocols to facilitate the accurate and timely diagnosis of a neonate with symptoms concerning for stroke. METHODS The Writing Group, an international collaboration of pediatric neurologists and neuroradiologists with expertise in perinatal and childhood stroke, participated in a series of pediatric stroke neuroimaging symposia. These discussions, in conjunction with extensive literature review, led to a consensus for imaging protocols to guide practitioners in the diagnosis of neonatal stroke subtypes as defined by the National Institute of Neurological Disorders and Stroke Common Data Elements. The epidemiology, clinical presentation, and associated risk factors for arterial ischemic stroke, cerebral sinovenous thrombosis, and hemorrhagic stroke are reviewed, with a focused discussion regarding the role of neuroimaging for each subtype. RESULTS In a neonate with suspected stroke, magnetic resonance imaging is the preferred modality, given the lack of X-irradiation, superior anatomic resolution, and sensitivity for acute ischemia. Core recommended sequences include diffusion-weighted imaging and apparent diffusion coefficient mapping to diagnose acute ischemia, gradient-recalled echo or susceptibility-weighted imaging to detect intracranial blood and its breakdown products, and T1- and T2-weighted imaging to assess for myelination, extra-axial blood, and edema. Magnetic resonance angiography of the brain may be useful to detect vascular abnormalities, with venography if venous sinus thrombosis is suspected. The application of more novel sequences, as well as the utility of follow up-imaging, is also discussed.
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Bosenbark DD, Krivitzky L, Ichord R, Vossough A, Bhatia A, Jastrzab LE, Billinghurst L. Clinical Predictors of Attention and Executive Functioning Outcomes in Children After Perinatal Arterial Ischemic Stroke. Pediatr Neurol 2017; 69:79-86. [PMID: 28274640 DOI: 10.1016/j.pediatrneurol.2017.01.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 01/12/2017] [Accepted: 01/16/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND Children with perinatal arterial ischemic stroke (PAIS) are at risk for later neurocognitive and behavioral deficits, yet the clinical predictors of these outcomes are understudied. We examined the influence of clinical and infarct characteristics on attention and executive functioning in children following PAIS. METHODS Forty children born at term (≥37 weeks' gestation) with PAIS (28 with neonatal arterial ischemic stroke and 12 with presumed PAIS) underwent a comprehensive neuropsychological battery at age three to 16 years (median age 7.2 years; 58% male) to assess attention and executive functioning. Parents also completed questionnaires regarding real-world functioning. Clinical variables including perinatal stroke subtype, infarct characteristics (location, laterality, and volume), and the presence of comorbid epilepsy were ascertained from the medical record. RESULTS Presumed PAIS, larger infarct volume, and comorbid epilepsy negatively influenced the performance on attention and executive functioning measures. These clinical variables were also associated with greater functional problems on parent reports, including a higher frequency of attention-deficit/hyperactivity disorder symptoms and greater difficulties in some subdomains of executive functioning. Infarct location and laterality were not associated with performance measures or parental report of functioning. CONCLUSION Although all children with PAIS are at risk for later deficits in attention and executive functioning, those with presumed PAIS, larger infarct size, and comorbid epilepsy appear to be the most vulnerable. As they approach and reach school age, these children should undergo neuropsychological assessment to ensure timely implementation of therapeutic interventions and behavioral strategies.
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Affiliation(s)
- Danielle D Bosenbark
- Department of Psychology, Drexel University, Philadelphia, Pennsylvania; Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Lauren Krivitzky
- Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Rebecca Ichord
- Division of Neurology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Arastoo Vossough
- Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania; Division of Radiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Aashim Bhatia
- Division of Radiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Laura E Jastrzab
- Division of Neurology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Lori Billinghurst
- Division of Neurology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.
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42
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Kuczynski AM, Carlson HL, Lebel C, Hodge JA, Dukelow SP, Semrau JA, Kirton A. Sensory tractography and robot-quantified proprioception in hemiparetic children with perinatal stroke. Hum Brain Mapp 2017; 38:2424-2440. [PMID: 28176425 DOI: 10.1002/hbm.23530] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 12/27/2016] [Accepted: 01/16/2017] [Indexed: 12/11/2022] Open
Abstract
Perinatal stroke causes most hemiparetic cerebral palsy, resulting in lifelong disability. We have demonstrated the ability of robots to quantify sensory dysfunction in hemiparetic children but the relationship between such deficits and sensory tract structural connectivity has not been explored. It was aimed to characterize the relationship between the dorsal column medial lemniscus (DCML) pathway connectivity and proprioceptive dysfunction in children with perinatal stroke. Twenty-nine participants (6-19 years old) with MRI-classified, unilateral perinatal ischemic stroke (14 arterial, 15 venous), and upper extremity deficits were recruited from a population-based cohort and compared with 21 healthy controls. Diffusion tensor imaging (DTI) defined DCML tracts and five diffusion properties were quantified: fractional anisotropy (FA), mean, radial, and axial diffusivities (MD, RD, AD), and fiber count. A robotic exoskeleton (KINARM) tested upper limb proprioception in an augmented reality environment. Correlations between robotic measures and sensory tract diffusion parameters were evaluated. Lesioned hemisphere sensory tracts demonstrated lower FA and higher MD, RD, and AD compared with the non-dominant hemisphere of controls. Dominant (contralesional) hemisphere tracts were not different from controls. Both arterial and venous stroke groups demonstrated impairments in proprioception that correlated with lesioned hemisphere DCML tract diffusion properties. Sensory tract connectivity is altered in the lesioned hemisphere of hemiparetic children with perinatal stroke. A correlation between lesioned DCML tract diffusion properties and robotic proprioceptive measures suggests clinical relevance and a possible target for therapeutic intervention. Hum Brain Mapp 38:2424-2440, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Andrea M Kuczynski
- University of Calgary, Calgary, Alberta, Canada.,Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Helen L Carlson
- Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Catherine Lebel
- University of Calgary, Calgary, Alberta, Canada.,Department of Radiology, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Jacquie A Hodge
- Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Sean P Dukelow
- University of Calgary, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Jennifer A Semrau
- University of Calgary, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Adam Kirton
- University of Calgary, Calgary, Alberta, Canada.,Section of Neurology, Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, Canada.,Department of Clinical Neurosciences, Hotchkiss Brain Institute, Calgary, Alberta, Canada
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van Velthoven CT, Dzietko M, Wendland MF, Derugin N, Faustino J, Heijnen CJ, Ferriero DM, Vexler ZS. Mesenchymal stem cells attenuate MRI-identifiable injury, protect white matter, and improve long-term functional outcomes after neonatal focal stroke in rats. J Neurosci Res 2016; 95:1225-1236. [PMID: 27781299 DOI: 10.1002/jnr.23954] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 08/01/2016] [Accepted: 09/07/2016] [Indexed: 12/30/2022]
Abstract
Cell therapy has emerged as a potential treatment for many neurodegenerative diseases including stroke and neonatal ischemic brain injury. Delayed intranasal administration of mesenchymal stem cells (MSCs) after experimental hypoxia-ischemia and after a transient middle cerebral artery occlusion (tMCAO) in neonatal rats has shown improvement in long-term functional outcomes, but the effects of MSCs on white matter injury (WMI) are insufficiently understood. In this study we used longitudinal T2-weighted (T2W) and diffusion tensor magnetic resonance imaging (MRI) to characterize chronic injury after tMCAO induced in postnatal day 10 (P10) rats and examined the effects of delayed MSC administration on WMI, axonal coverage, and long-term somatosensory function. We show unilateral injury- and region-dependent changes in diffusion fraction anisotropy 1 and 2 weeks after tMCAO that correspond to accumulation of degraded myelin basic protein, astrocytosis, and decreased axonal coverage. With the use of stringent T2W-based injury criteria at 72 hr after tMCAO to randomize neonatal rats to receive intranasal MSCs or vehicle, we show that a single MSC administration attenuates WMI and enhances somatosensory function 28 days after stroke. A positive correlation was found between MSC-enhanced white matter integrity and functional performance in injured neonatal rats. Collectively, these data indicate that the damage induced by tMCAO progresses over time and is halted by administration of MSCs. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Cindy T van Velthoven
- Department of Neurology, University of California, San Francisco, San Francisco, California
| | - Mark Dzietko
- Department of Neurology, University of California, San Francisco, San Francisco, California
| | - Michael F Wendland
- Department of Neurology, University of California, San Francisco, San Francisco, California
| | - Nikita Derugin
- Department of Neurology, University of California, San Francisco, San Francisco, California
| | - Joel Faustino
- Department of Neurology, University of California, San Francisco, San Francisco, California
| | - Cobi J Heijnen
- Laboratory of Neuroimmunology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Donna M Ferriero
- Department of Neurology, University of California, San Francisco, San Francisco, California.,Department of Pediatrics, University of California, San Francisco, San Francisco, California
| | - Zinaida S Vexler
- Department of Neurology, University of California, San Francisco, San Francisco, California
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Chen CY, Rich TL, Cassidy JM, Gillick BT. Corticospinal Excitability in Children with Congenital Hemiparesis. Brain Sci 2016; 6:E49. [PMID: 27775599 DOI: 10.3390/brainsci6040049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/20/2016] [Accepted: 10/14/2016] [Indexed: 02/06/2023] Open
Abstract
Transcranial magnetic stimulation (TMS) can be used as an assessment or intervention to evaluate or influence brain activity in children with hemiparetic cerebral palsy (CP) commonly caused by perinatal stroke. This communication report analyzed data from two clinical trials using TMS to assess corticospinal excitability in children and young adults with hemiparetic CP. The results of this communication revealed a higher probability of finding a motor evoked potential (MEP) on the non-lesioned hemisphere compared to the lesioned hemisphere (p = 0.005). The resting motor threshold (RMT) was lower on the non-lesioned hemisphere than the lesioned hemisphere (p = 0.013). There was a significantly negative correlation between age and RMT (rs = −0.65, p = 0.003). This communication provides information regarding MEP responses, motor thresholds (MTs) and the association with age during TMS assessment in children with hemiparetic CP. Such findings contribute to the development of future pediatric studies in neuroplasticity and neuromodulation to influence motor function and recovery after perinatal stroke.
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Ilves P, Laugesaar R, Loorits D, Kolk A, Tomberg T, Lõo S, Talvik I, Kahre T, Talvik T. Presumed Perinatal Stroke: Risk Factors, Clinical and Radiological Findings. J Child Neurol 2016; 31:621-8. [PMID: 26446909 DOI: 10.1177/0883073815609149] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 08/22/2015] [Indexed: 12/28/2022]
Abstract
It is unknown why some infants with perinatal stroke present clinical symptoms late during infancy and will be identified as infants with presumed perinatal stroke. The risk factors and clinical and radiological data of 42 infants with presumed perinatal stroke (69% with periventricular venous infarction and 31% with arterial ischemic stroke) from the Estonian Pediatric Stroke Database were reviewed. Children with presumed perinatal stroke were born at term in 95% of the cases and had had no risk factors during pregnancy in 43% of the cases. Children with periventricular venous infarction were born significantly more often (82%) vaginally (P = .0213) compared to children with arterial stroke (42%); nor did they require resuscitation (P = .0212) or had any neurological symptoms after birth (P = .0249). Periventricular venous infarction is the most common type of lesion among infants with the presumed perinatal stroke. Data suggest that the disease is of prenatal origin.
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Affiliation(s)
- Pilvi Ilves
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia Department of Radiology, University of Tartu, Tartu, Estonia
| | - Rael Laugesaar
- Department of Pediatrics, University of Tartu, Tartu, Estonia Children's Clinic of Tartu University Hospital, Tartu, Estonia
| | - Dagmar Loorits
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - Anneli Kolk
- Department of Pediatrics, University of Tartu, Tartu, Estonia Department of Neurology and Neurorehabilitation, Children's Clinic of Tartu University Hospital, Tartu, Estonia
| | - Tiiu Tomberg
- Radiology Clinic of Tartu University Hospital, Tartu, Estonia
| | - Silva Lõo
- Department of Pediatrics, University of Tartu, Tartu, Estonia
| | - Inga Talvik
- Department of Pediatrics, University of Tartu, Tartu, Estonia Department of Neurology and Neurorehabilitation, Children's Clinic of Tartu University Hospital, Tartu, Estonia
| | - Tiina Kahre
- Department of Genetics, United Laboratories of Tartu University Hospital, Tartu, Estonia
| | - Tiina Talvik
- Department of Pediatrics, University of Tartu, Tartu, Estonia Children's Clinic of Tartu University Hospital, Tartu, Estonia
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46
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Becker JS. A Primer for Nurses on Perinatal/Neonatal Stroke. Nurs Womens Health 2015; 19:350-356. [PMID: 26264800 DOI: 10.1111/1751-486x.12221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Perinatal or neonatal stroke is not uncommon, but diagnosis is often missed. Perinatal nurses are often the first health professionals in the position to observe the most typical symptom of stroke in a newborn, which is focal seizure. Etiology, symptoms and outcomes are reviewed and discussed through the context of the author's personal story.
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Abstract
BACKGROUND Children with perinatal stroke may show evidence of contralateral spatial neglect. The goal of this study was to determine whether the Clock Drawing Test commonly used in adults to identify neglect would be effective in detecting neglect in children with perinatal stroke. METHODS Thirty-eight individuals (age range 6-21 years) with left hemisphere or right hemisphere perinatal onset unilateral lesions and 179 age-matched controls were given a free-drawn Clock Drawing Test in a cross-sectional design. An adapted scoring system that evaluated right- and left-sided errors separately was developed as part of the investigation. RESULTS Children with right hemisphere lesions made a greater number of errors on both the right and left sides of the clock drawings in all age subgroups (6-8 years, 9-14 years, and 15-21 years) compared with controls. Children with right hemisphere lesions showed greater left and right errors in the younger groups compared with controls, with significantly poorer performance on the left at 6-8 years, suggestive of contralateral neglect. However, by ages 15-21 years, the right hemisphere lesion subjects no longer differed from controls. CONCLUSIONS Clock drawing can identify spatial neglect in children with early hemispheric damage. However, brain development is a dynamic process, and as children age, spatial neglect may no longer be evident. These findings demonstrate the limitations of predicting long-term outcome after perinatal stroke from early neurocognitive data. Children with perinatal stroke may require different neural pathways to accomplish specific skills or to overcome deficits, but ultimately they may have "typical" outcomes.
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Affiliation(s)
- Omid Yousefian
- Department of Neurosciences, University of California, San Diego School of Medicine, La Jolla, California
| | - Angela O Ballantyne
- Department of Neurosciences, University of California, San Diego School of Medicine, La Jolla, California
| | - Alex Doo
- Department of Neurosciences, University of California, San Diego School of Medicine, La Jolla, California
| | - Doris A Trauner
- Department of Neurosciences, University of California, San Diego School of Medicine, La Jolla, California; Department of Pediatrics, University of California, San Diego School of Medicine, La Jolla, California; Rady Children's Hospital-San Diego, San Diego, California.
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Smith SE, Vargas G, Cucchiara AJ, Zelonis SJ, Beslow LA. Hemiparesis and epilepsy are associated with worse reported health status following unilateral stroke in children. Pediatr Neurol 2015; 52:428-34. [PMID: 25559938 PMCID: PMC4556437 DOI: 10.1016/j.pediatrneurol.2014.11.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 11/26/2014] [Accepted: 11/28/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND Perinatal and childhood stroke result in neurological impairment in the majority of survivors, but less is known about patient and parent perception of function following stroke in children. Our aim was to characterize parent-proxy and child-reported health status in children following unilateral arterial ischemic stroke or intraparenchymal hemorrhage. METHODS Fifty-nine children 2-18 years (30 girls, 29 boys) with unilateral arterial ischemic stroke or spontaneous intraparenchymal hemorrhage at least 6 months before evaluation were enrolled from a single center. The PedsQL version 4.0 Generic Short Form and PedsQL version 3.0 Cerebral Palsy Module were administered to childhood stroke subjects and parents. Generic PedsQL Inventory scores were compared between children with stroke and published data from healthy children. Reported health status scores for children with varying degrees of hemiparesis were compared. RESULTS Children with stroke had lower reported health status scores on the Generic PedsQL Inventory than healthy children. Children with moderate-severe hemiparesis had worse scores than children without hemiparesis on several measures of the Cerebral Palsy Module as reported by both parents and children. The parents of children with epilepsy reported worse scores on several measures compared with children without epilepsy, and the parent scores were lower on several measures for children with lower intelligence quotients. Agreement between parent and child scores was better on the Cerebral Palsy Module than on the Generic Inventory. CONCLUSIONS Children with stroke have worse reported health status than healthy controls. Degree of hemiparesis, epilepsy, and lower intelligence quotient affect reported health status on some measures. Agreement between parent-proxy and child scores ranges from slight to good which suggests that both provide useful information.
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Affiliation(s)
- Sabrina E. Smith
- Department of Neurology, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Division of Pediatric Neurology, Kaiser Permanente Oakland Medical Center, Oakland, California,Communications should be addressed to: Dr. Sabrina E. Smith; Division of Pediatric Neurology; Kaiser Permanente Oakland Medical Center; 275 W. MacArthur Blvd.; Oakland; CA 94611.
| | - Gray Vargas
- Department of Neurology, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Psychology, Penn State University, University Park, Pennsylvania
| | - Andrew J. Cucchiara
- Clinical and Translational Research Center, The University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sarah J. Zelonis
- Department of Neurology, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania
| | - Lauren A. Beslow
- Department of Neurology, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania,Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut,Department of Neurology, Yale University School of Medicine, New Haven, Connecticut
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Clowry GJ, Basuodan R, Chan F. What are the Best Animal Models for Testing Early Intervention in Cerebral Palsy? Front Neurol 2014; 5:258. [PMID: 25538677 PMCID: PMC4255621 DOI: 10.3389/fneur.2014.00258] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 11/21/2014] [Indexed: 11/13/2022] Open
Abstract
Interventions to treat cerebral palsy should be initiated as soon as possible in order to restore the nervous system to the correct developmental trajectory. One drawback to this approach is that interventions have to undergo exceptionally rigorous assessment for both safety and efficacy prior to use in infants. Part of this process should involve research using animals but how good are our animal models? Part of the problem is that cerebral palsy is an umbrella term that covers a number of conditions. There are also many causal pathways to cerebral palsy, such as periventricular white matter injury in premature babies, perinatal infarcts of the middle cerebral artery, or generalized anoxia at the time of birth, indeed multiple causes, including intra-uterine infection or a genetic predisposition to infarction, may need to interact to produce a clinically significant injury. In this review, we consider which animal models best reproduce certain aspects of the condition, and the extent to which the multifactorial nature of cerebral palsy has been modeled. The degree to which the corticospinal system of various animal models human corticospinal system function and development is also explored. Where attempts have already been made to test early intervention in animal models, the outcomes are evaluated in light of the suitability of the model.
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Affiliation(s)
- Gavin John Clowry
- Institute of Neuroscience, Newcastle University , Newcastle upon Tyne , UK
| | - Reem Basuodan
- Institute of Neuroscience, Newcastle University , Newcastle upon Tyne , UK
| | - Felix Chan
- Institute of Neuroscience, Newcastle University , Newcastle upon Tyne , UK
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50
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Bemister TB, Brooks BL, Kirton A. Development, reliability, and validity of the Alberta Perinatal Stroke Project Parental Outcome Measure. Pediatr Neurol 2014; 51:43-52. [PMID: 24938139 DOI: 10.1016/j.pediatrneurol.2014.01.052] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2013] [Revised: 01/22/2014] [Accepted: 01/28/2014] [Indexed: 11/25/2022]
Abstract
BACKGROUND Perinatal stroke is a leading cause of cerebral palsy and lifelong disability, although parent and family outcomes have not yet been studied in this specific population. The Alberta Perinatal Stroke Project Parental Outcome Measure was developed as a 26-item questionnaire on the impact of perinatal stroke on parents and families. METHODS The items were derived from expert opinion and scientific literature on issues salient to parents of children with perinatal stroke, including guilt and blame, which are not well captured in existing measures of family impact. Data were collected from 82 mothers and 28 fathers who completed the Parental Outcome Measure and related questionnaires (mean age, 39.5 years; mean child age, 7.4 years). Analyses examined the Parental Outcome Measure's internal consistency, test-retest reliability, validity, and factor structure. RESULTS The Parental Outcome Measure demonstrated three unique theoretical constructs: Psychosocial Impact, Guilt, and Blame. The Parental Outcome Measure has excellent internal consistency (Cronbach α = 0.91) and very good test-retest reliability more than 2-5 weeks (r = 0.87). Regarding validity, the Parental Outcome Measure is sensitive to condition severity, accounts for additional variance in parent outcomes, and strongly correlates with measures of anxiety, depression, stress, quality of life, family functioning, and parent adjustment. CONCLUSIONS The Parental Outcome Measure contributes to the literature as the first brief measure of family impact designed for parents of children with perinatal stroke.
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Affiliation(s)
- Taryn B Bemister
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada; Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Brian L Brooks
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Neurosciences (Brain Injury and Rehabilitation Programs), Alberta Children's Hospital, Calgary, Alberta, Canada; Department of Paediatrics, University of Calgary, Calgary, Alberta, Canada; Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
| | - Adam Kirton
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Paediatrics, University of Calgary, Calgary, Alberta, Canada; Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada; Calgary Pediatric Stroke Program, Calgary, Alberta, Canada.
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