Publications by authors named "Matti Ahonen"

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Answer to Letter to the Editor of C. Lu, et al. concerning "Mortality for pneumonia and risk of pneumonia in children with cerebral palsy treated with and without surgery" by M. Ahonen, et al. (Eur Spine J [2025]; doi: 10.1007/s00586-025-09625-y).
Matti Ahonen, Ira Jeglinsky-Kankainen, Mika Gissler, Ilkka Helenius

Eur Spine J· December 2025

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Health-related quality of life in syndromic scoliosis treated by segmental pedicle screw instrumentation: a case-control study.
Henri Sallinen, Antti Saarinen, Arimatias Raitio, Matti Ahonen, Ilkka Helenius

Acta Orthop· November 2025

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Mortality for pneumonia and risk of pneumonia in children with cerebral palsy treated with and without surgery.
Matti Ahonen, Ira Jeglinsky-Kankainen, Mika Gissler, Ilkka Helenius

Eur Spine J· November 2025

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Population-based incidence and demographic patterns of traumatic joint dislocations in children and adolescents.
William J Söderling, Ilkka J Helenius, Petra M Grahn, Mika V J Gissler, Topi A Laaksonen, Matti M Ahonen

Acta Orthop· October 2025

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Mechanical axial instability of segmental pedicle screw instrumentation for adolescent idiopathic scoliosis: a retrospective cohort study of tulip screw versus dual locking cup instrumentation.
Aron Frantzén, Antti Saarinen, Eetu Suominen, Matti Ahonen, Ilkka Helenius

Acta Orthop· July 2025

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Refractures in Children.
Oskari Pakarinen, Matti Ahonen, Petra Grahn, Ilkka Helenius, Topi Laaksonen

J Bone Joint Surg Am· May 2025

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Casting vs Surgical Treatment of Children With Medial Epicondyle Fractures: A Randomized Clinical Trial.
Petra Grahn, Ilkka Helenius, Tero Hämäläinen, Reetta Kivisaari, Yrjänä Nietosvaara, Matti Ahonen

JAMA Netw Open· May 2025

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An Acta Orthopaedica educational article: Treatment of pediatric spondylolysis and spondylolisthesis.
Ilkka Helenius, Ella Virkki, Taavi Toomela, Daniel Studer, Martin Gehrchen, Matti Ahonen

Acta Orthop· January 2025

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The impact of closed suction wound drainage on chronic pain and health-related quality of life after posterior spinal fusion in patients with adolescent idiopathic scoliosis.
Linda Helenius, Paul Gerdhem, Matti Ahonen, Johanna Syvänen, Jenni Jalkanen

Bone Joint J· October 2024

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Reliability and validity of the adapted Finnish version of the early onset scoliosis questionnaire (EOSQ-24).
Hermanni Haapala, Anne Salonen, Eetu Suominen, Johanna Syvänen, Jussi Repo, Matti Ahonen

Spine Deform· July 2024

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Maternal risk factors for congenital vertebral formation and mixed defects: A population-based case-control study.
Susanna Heiskanen, Ilkka Helenius, Johanna Syvänen, Teemu Kemppainen, Eliisa Löyttyniemi, Matti Ahonen

J Child Orthop· June 2024

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Pulmonary Function at Minimum 10 Years After Segmental Pedicle Screw Instrumentation for Thoracic Adolescent Idiopathic Scoliosis.
Linda Helenius, Matti Ahonen, Johanna Syvänen, Tanja Perokorpi, Ilkka Helenius

Spine (Phila Pa 1976)· April 2024

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Safety and efficacy of growth-friendly instrumentation for early-onset scoliosis in patients with spinal muscular atrophy type 1 in the disease-modifying treatment era.
Riza Mert Cetik, Dror Ovadia, Kiril Mladenov, Moyo C Kruyt, Ilkka Helenius, Matti Ahonen

J Child Orthop· February 2024

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Activity-restriction only as treatment yields positive outcomes in pediatric spinal compression fractures: a prospective study of 47 patients at medium-term follow-up.
Sofia Belov, Petra Grahn, Reetta Kivisaari, Ilkka Helenius, Matti Ahonen

Acta Orthop· January 2024

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Mortality and Causes of Death in Children With Cerebral Palsy With Scoliosis Treated With and Without Surgery.
Matti Ahonen, Ilkka Helenius, Mika Gissler, Ira Jeglinsky-Kankainen

Neurology· October 2023

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Association Between Lenke Classification, The Extent of Lumbar Spinal Fusion, and Health-Related Quality of Life After Instrumented Spinal Fusion for Adolescent Idiopathic Scoliosis.
Aron Frantzén, Eetu N Suominen, Antti J Saarinen, Ville Ponkilainen, Johanna Syvänen, Matti Ahonen

Spine (Phila Pa 1976)· September 2023

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Surgical and Health-related Quality of life Outcomes in Children With Congenital Scoliosis During 5-year Follow-up. Comparison to Age and Sex-matched Healthy Controls.
Hermanni Haapala, Susanna Heiskanen, Johanna Syvänen, Arimatias Raitio, Linda Helenius, Matti Ahonen

J Pediatr Orthop· July 2023

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The Risk of Nerve Injury in Pediatric Forearm Fractures.
Kaj Zilliacus, Yrjänä Nietosvaara, Ilkka Helenius, Topi Laaksonen, Matti Ahonen

J Bone Joint Surg Am· July 2023

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Maternal Risk Factors for Congenital Vertebral Anomalies: A Population-Based Study.
Arimatias Raitio, Susanna Heiskanen, Johanna Syvänen, Maarit K Leinonen, Teemu Kemppainen, Matti Ahonen

J Bone Joint Surg Am· July 2023

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Back Pain and Quality of Life 10 Years After Segmental Pedicle Screw Instrumentation for Adolescent Idiopathic Scoliosis.
Matti Ahonen, Johanna Syvänen, Linda Helenius, Mikko Mattila, Tanja Perokorpi

Spine (Phila Pa 1976)· May 2023

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Early disc degeneration in radiotherapy-treated childhood brain tumor survivors.
Petra Grahn, Tiina Remes, Reetta Kivisaari, Maria H Suo-Palosaari, Pekka M Arikoski, Matti Ahonen

BMC Musculoskelet Disord· May 2023

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Beam-Like rods do not Provide Additional Improvement to Thoracic Kyphosis Restoration when Compared to Sagittal Reinforced rods in Adolescents Undergoing Spinal Fusion with Pedicle Screw Instrumentation for Idiopathic Scoliosis.
Eetu N Suominen, Antti J Saarinen, Johanna Syvänen, Matti Ahonen, Linda Helenius

World Neurosurg· December 2022

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The Extension of Surgery Predicts Acute Postoperative Pain, While Persistent Postoperative Pain Is Related to the Spinal Pathology in Adolescents Undergoing Posterior Spinal Fusion.
Tommi Yrjälä, Ilkka Helenius, Tiia Rissanen, Matti Ahonen, Markku Taittonen

Children (Basel)· November 2022

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Postoperative outcomes of pedicle screw instrumentation for adolescent idiopathic scoliosis with and without a subfascial wound drain: a multicentre randomized controlled trial.
Linda Helenius, Paul Gerdhem, Matti Ahonen, Johanna Syvänen, Jenni Jalkanen

Bone Joint J· September 2022

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Prevalence and treatment of hip displacement in children with cerebral palsy in Finland.
Ira Jeglinsky, Ann I Alriksson-Schmidt, Gunnar Hägglund, Matti Ahonen

J Child Orthop· April 2022

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