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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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Vaher U, Ilves N, Ilves N, Laugesaar R, Männamaa M, Loorits D, Kool P, Ilves P. The thalamus and basal ganglia are smaller in children with epilepsy after perinatal stroke. Front Neurol 2023; 14:1252472. [PMID: 37840930 PMCID: PMC10568465 DOI: 10.3389/fneur.2023.1252472] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
Background Epilepsy is one of the most serious consequences of perinatal stroke. Epilepsy itself has been proposed as a risk factor for impaired cognitive, language, and behavioral functioning. It is still unclear which children develop epilepsy after perinatal stroke. The current study aimed to evaluate the volume of the thalamus and the basal ganglia in children after perinatal stroke in relation to poststroke epilepsy. Methods The follow-up study included 29 children with perinatal arterial ischemic stroke (AIS), 33 children with presumed periventricular venous infarction (PVI), and 46 age- and sex-matched healthy controls. Magnetic resonance imaging was performed in children between the ages of 4 and 18 years, and volumetric analysis by segmentation was used to evaluate the size of the thalamus, caudate nucleus, putamen, globus pallidus, hippocampus, amygdala, and nucleus accumbens. Results During a median follow-up time of 12.8 years [interquartile range (IQR): 10.8-17.3] in the AIS group and 12.5 years (IQR: 9.3-14.8) in the PVI group (p = 0.32), epilepsy developed in 10 children (34.5%) with AIS and in 4 (12.1%) children with PVI, p = 0.036 [odds ratio (OR) = 3.8, 95%, confidence interval (CI): 1.04-14]. Epilepsy and interictal epileptiform discharges (IEDs) without clinical seizures were more often expressed in children with AIS (n = 16, 55%) than in children with PVI (n = 7, 21.2%), p = 0.0057 (OR = 3.8 95% CI: 1.04-14). In the AIS group, the ipsilesional and contralesional thalamus, ipsilesional caudate nucleus, and nucleus accumbens were significantly smaller in children with epilepsy compared to children without epilepsy. In the PVI group, the ipsilesional thalamus, caudate nucleus, and nucleus accumbens were smaller in the pooled group of epilepsy plus IED alone compared to children without epilepsy. Conclusion In children with AIS, epilepsy or IED occurred more often compared to children with PVI. Both patients with AIS and PVI with severe damage to the basal ganglia and the thalamus have a higher risk of developing poststroke epilepsy and should be monitored more closely throughout childhood to initiate timely antiseizure medication and rehabilitation.
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Affiliation(s)
- Ulvi Vaher
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
- Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Norman Ilves
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Nigul Ilves
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
| | - Rael Laugesaar
- Children's Clinic, Tartu University Hospital, Tartu, Estonia
- Department of Pediatrics, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Mairi Männamaa
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
- Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Dagmar Loorits
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
| | - Pille Kool
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Pilvi Ilves
- Department of Radiology, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
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Ilves N, Muhhamedjanov K, Forbes A. Malnutrition Risk, Subjective Global Assessment And GLIM (Global Leaders Initiative On Malnutrition) Scoring In Nordic Hospital Patients. Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Ilves N, Muhhamedjanov K, Eerme M, Laatspera H, Merilo A, Fragkos K, Forbes A. Towards Automated Nutrition Screening. Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Ilves N, Männamaa M, Laugesaar R, Ilves N, Loorits D, Vaher U, Kool P, Ilves P. Language lateralization and outcome in perinatal stroke patients with different vascular types. Brain Lang 2022; 228:105108. [PMID: 35334446 DOI: 10.1016/j.bandl.2022.105108] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 12/06/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Perinatal stroke affects child's language development and can change language lateralization. Language generation and comprehension tasks in functional magnetic resonance imaging were used to determine language lateralization in term born children with perinatal left-side arterial ischemic stroke (AIS) (n = 9, mean age (SD) 13.4 (3.1) y.) and periventricular venous infarction (PVI) (n = 12, 11.8 (2.8) y.), and in healthy right-handed controls (n = 30, 11.6 (2.6) y.). Lateralization index was calculated for the Broca and Wernicke areas and correlated with language and cognitive outcomes measured by the Kaufman Assessment Battery for Children II ed. Language outcome in children with perinatal stroke is poorer compared to healthy controls. Children with small AIS lesions and most children with PVI showed left-side language activation. Most children with large AIS lesions and one child with large PVI had language activation reorganized to the right hemisphere. Language reorganization to the unlesioned right hemisphere did not ensure normal language outcome.
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Affiliation(s)
- Nigul Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia; Department of Radiology, University of Tartu, Tartu, Estonia.
| | - Mairi Männamaa
- Department of Pediatrics, University of Tartu, Tartu, Estonia; Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Rael Laugesaar
- Department of Pediatrics, University of Tartu, Tartu, Estonia; Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Norman Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia; Department of Radiology, University of Tartu, Tartu, Estonia
| | - Dagmar Loorits
- Department of Radiology, University of Tartu, Tartu, Estonia
| | - Ulvi Vaher
- Department of Radiology, University of Tartu, Tartu, Estonia; Department of Pediatrics, University of Tartu, Tartu, Estonia; Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Pille Kool
- Department of Radiology, University of Tartu, Tartu, Estonia
| | - Pilvi Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia; Department of Radiology, University of Tartu, Tartu, Estonia
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Ilves N, Lõo S, Ilves N, Laugesaar R, Loorits D, Kool P, Talvik T, Ilves P. Ipsilesional volume loss of basal ganglia and thalamus is associated with poor hand function after ischemic perinatal stroke. BMC Neurol 2022; 22:23. [PMID: 35022000 PMCID: PMC8753896 DOI: 10.1186/s12883-022-02550-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 12/28/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Perinatal stroke (PS) is the leading cause of hemiparetic cerebral palsy (CP). Involvement of the corticospinal tract on neonatal magnetic resonance imaging (MRI) is predictive of motor outcome in patients with hemiparetic CP. However, early MRI is not available in patients with delayed presentation of PS and prediction of hemiparesis severity remains a challenge. AIMS To evaluate the volumes of the basal ganglia, amygdala, thalamus, and hippocampus following perinatal ischemic stroke in relation to hand motor function in children with a history of PS and to compare the volumes of subcortical structures in children with PS and in healthy controls. METHODS Term born PS children with arterial ischemic stroke (AIS) (n = 16) and with periventricular venous infarction (PVI) (n = 18) were recruited from the Estonian Pediatric Stroke Database. MRI was accuired during childhood (4-18 years) and the volumes of the basal ganglia, thalamus, amygdala and hippocampus were calculated. The results of stroke patients were compared to the results of 42 age- and sex-matched healthy controls. Affected hand function was evaluated by Assisting Hand Assessment (AHA) and classified by the Manual Ability Classification System (MACS). RESULTS Compared to the control group, children with AIS had smaller volumes of the ipsi- and contralesional thalami, ipsilesional globus pallidus, nucleus accumbens and hippocampus (p < 0.005). Affected hand function in children with AIS was correlated with smaller ipsilesional thalamus, putamen, globus pallidus, hippocampus, amygdala and contralesional amygdala (r > 0.5; p < 0.05) and larger volume of the contralesional putamen and hippocampus (r < - 0.5; p < 0.05). In children with PVI, size of the ipsilesional caudate nucleus, globus pallidus, thalamus (p ≤ 0.001) and hippocampus (p < 0.03) was smaller compared to controls. Smaller volume of the ipsi- and contralesional thalami and ipsilesional caudate nucleus was correlated with affected hand function (r > 0.55; p < 0.05) in children with PVI. CONCLUSIONS Smaller volume of ipsilesional thalamus was associated with poor affected hand function regardless of the perinatal stroke subtype. The pattern of correlation between hand function and volume differences in the other subcortical structures varied between children with PVI and AIS. Evaluation of subcortical structures is important in predicting motor outcome following perinatal stroke.
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Affiliation(s)
- Nigul Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia.
- Department of Radiology, University of Tartu, L. Puusepa 8, 51014, Tartu, Estonia.
| | - Silva Lõo
- Department of Pediatric Neurology, University of Helsinki; Helsinki University Hospital, Helsinki, Finland
- Department of Pediatrics, University of Tartu, Tartu, Estonia
| | - Norman Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
- Department of Radiology, University of Tartu, L. Puusepa 8, 51014, Tartu, Estonia
| | - Rael Laugesaar
- Department of Pediatrics, University of Tartu, Tartu, Estonia
- Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Dagmar Loorits
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
| | - Pille Kool
- Department of Radiology, University of Tartu, L. Puusepa 8, 51014, Tartu, Estonia
| | - Tiina Talvik
- Children's Clinic, Tartu University Hospital, Tartu, Estonia
| | - Pilvi Ilves
- Radiology Clinic, Tartu University Hospital, Tartu, Estonia
- Department of Radiology, University of Tartu, L. Puusepa 8, 51014, Tartu, Estonia
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