J. Syvänen

发表

Comparison Between Nailing and Plating in the Treatment of Distal Tibial Fractures: A Meta-Analysis

E. Ekman, K. Lehtimäki, J. Syvänen, 2020, Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society.

Omphalocele in Finland from 1993 to 2014: Trends, Prevalence, Mortality, and Associated Malformations—A Population-Based Study

M. Gissler, I. Helenius, E. Löyttyniemi, 2020, European Journal of Pediatric Surgery.

CONGENITAL LOWER LIMB DEFICIENCIES IN FINLAND

T. Yliopiston, J. Syvänen, C. Limb, 2020 .

Vertebral Body Tethering: Indications, Surgical Technique, and a Systematic Review of Published Results

I. Helenius, J. Syvänen, A. Raitio, 2022, Journal of clinical medicine.

Congenital abdominal wall defects and cryptorchidism: a population-based study

M. Gissler, I. Helenius, U. Sankilampi, 2021, Pediatric Surgery International.

Reduced Number of Pediatric Orthopedic Trauma Requiring Operative Treatment during COVID-19 Restrictions: A Nationwide Cohort Study

Y. Nietosvaara, N. Pakkasjärvi, Juha-Jaakko Sinikumpu, 2020, Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society.

Recessive MED with auricular swelling due to compound heterozygosity Arg279Tpr/Thr512Lys in the SLC26A2 gene

O. Mäkitie, I. Helenius, J. Ignatius, 2013, American journal of medical genetics. Part A.

High risk for major nonlimb anomalies associated with lower-limb deficiency: a population-based study.

T. Kauko, I. Helenius, Y. Nietosvaara, 2014, The Journal of bone and joint surgery. American volume.

Risk Factors and Prevalence of Limb Deficiencies Associated With Amniotic Band Sequence: A Population-based Case-control Study

M. Gissler, Anna-Maria Lahesmaa-Korpinen, I. Helenius, 2020, Journal of pediatric orthopedics.

Postoperative outcomes of pedicle screw instrumentation for adolescent idiopathic scoliosis with and without a subfascial wound drain: a multicentre randomized controlled trial.

P. Gerdhem, I. Helenius, Y. Nietosvaara, 2022, The bone & joint journal.

Prune belly syndrome in Finland - A population-based study on current epidemiology and hospital admissions.

M. Gissler, I. Helenius, N. Pakkasjärvi, 2021, Journal of pediatric urology.

A retrospective cohort study of bleeding characteristics and hidden blood loss after segmental pedicle screw instrumentation in neuromuscular scoliosis as compared with adolescent idiopathic scoliosis

I. Helenius, J. Syvänen, A. Raitio, 2022, North American Spine Society journal.

Amelia and phocomelia in Finland: Characteristics and prevalences in a nationwide population‐based study

N. Pakkasjärvi, J. Syvänen, Markus Wiro, 2022, Birth defects research.

Hospital admissions and surgical treatment of children with lower-limb deficiency in Finland

I. Helenius, Y. Nietosvaara, A. Ritvanen, 2018, Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society.

High incidence of inguinal hernias among patients with congenital abdominal wall defects: a population-based case–control study

M. Gissler, I. Helenius, U. Sankilampi, 2021, European Journal of Pediatrics.

Increasing Prevalence and High Risk of Associated Anomalies in Congenital Vertebral Defects: A Population-based Study

M. Gissler, I. Helenius, E. Löyttyniemi, 2022, Journal of pediatric orthopedics.

Allograft Versus Bioactive Glass (BG-S53P4) in Pediatric Benign Bone Lesions

I. Helenius, Y. Nietosvaara, I. Kohonen, 2023, The Journal of bone and joint surgery. American volume.

Treatment of Aneurysmal Bone Cysts with Bioactive Glass in Children

I. Helenius, Y. Nietosvaara, J. Korhonen, 2018, Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society.

Fusobacterial Pelvic Osteomyelitis with Brodie's Abscess in a 10-Year-Old Boy Requiring Surgical Evacuation

I. Helenius, V. Peltola, J. Syvänen, 2021, JBJS case connector.

Gelatine matrix with human thrombin decreases blood loss in adolescents undergoing posterior spinal fusion for idiopathic scoliosis: a multicentre, randomised clinical trial.

I. Helenius, O. Pajulo, J. Syvänen, 2016, The bone & joint journal.

Normal behavior of plasma procalcitonin in adolescents undergoing surgery for scoliosis

O. Ruuskanen, J. Mertsola, I. Helenius, 2014, Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society.

Prevalence and risk factors of radial ray deficiencies: A population‐based case–control study

M. Gissler, Anna-Maria Lahesmaa-Korpinen, I. Helenius, 2020, American journal of medical genetics. Part A.

Long-term hospital admissions and surgical treatment of children with congenital abdominal wall defects: a population-based study

M. Gissler, I. Helenius, U. Sankilampi, 2021, European Journal of Pediatrics.

Maternal risk factors for gastroschisis: A population-based case-control study.

M. Gissler, I. Helenius, E. Löyttyniemi, 2020, Birth defects research.

Elias Diarbakerli, P. Gerdhem, I. Helenius, 2022, Journal of children's orthopaedics.

Elias Diarbakerli, P. Gerdhem, I. Helenius, 2021, European Journal of Orthopaedic Surgery & Traumatology.

TREATMENT OF ORTHOPAEDIC DISORDERS IN CHILDREN AND ADOLESCENTS: Need for operative interventions, outcomes, cost benefit analysis, and health-related quality of life.

T. Jalanko, I. Helenius, O. Pajulo, 2013 .

Perioperative Risk Factors for Bleeding in Adolescents Undergoing Pedicle Screw Instrumentation for Scoliosis

I. Helenius, J. Syvänen, A. Raitio, 2023, Children.

Congenital Constriction Band Syndrome With Limb Defects

O. Mäkitie, Y. Nietosvaara, N. Pakkasjärvi, 2015, Journal of pediatric orthopedics.

Treatment of congenital bipartite patella in pediatric population - a systematic review of the published studies.

J. Syvänen, A. Raitio, V. Soini, 2022, Acta orthopaedica Belgica.

Gastroschisis in Finland 1993 to 2014—Increasing Prevalence, High Rates of Abortion, and Survival: A Population-Based Study

M. Gissler, I. Helenius, E. Löyttyniemi, 2019, European Journal of Pediatric Surgery.

Distal Femoral Focal Deficiency

J. Syvänen, A. Raitio, M. Haara, 2022, Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews.

Maternal Risk Factors for Congenital Vertebral Anomalies

M. Gissler, I. Helenius, E. Löyttyniemi, 2023, The Journal of bone and joint surgery. American volume.

Emergency MRI in Spine Trauma of Children and Adolescents—A Pictorial Review

M. Nyman, K. Mattila, J. Syvänen, 2023, Children.

Back Pain and Quality of Life 10 Years After Segmental Pedicle Screw Instrumentation for Adolescent Idiopathic Scoliosis

Elias Diarbakerli, P. Gerdhem, I. Helenius, 2023, Spine.

Casting versus flexible intramedullary nailing in displaced forearm shaft fractures in children aged 7–12 years: a study protocol for a randomised controlled trial

I. Helenius, Y. Nietosvaara, Juha-Jaakko Sinikumpu, 2021, BMJ Open.

Clinical outcome following magnetic resonance imaging as first-line imaging in low-impact pediatric spine trauma: a single-center retrospective observational study

M. Nyman, K. Mattila, J. Syvänen, 2023, Pediatric Radiology.

Intraoperative 3D Imaging Reduces Pedicle Screw Related Complications and Reoperations in Adolescents Undergoing Posterior Spinal Fusion for Idiopathic Scoliosis: A Retrospective Study

I. Helenius, A. Saarinen, J. Syvänen, 2022, Children.

Duodenal Atresia in Finland from 2004 to 2017: Prevalence, Mortality, and Associated Anomalies—A Population-Based Study

I. Helenius, E. Löyttyniemi, J. Syvänen, 2024, European Journal of Pediatric Surgery.

Association Between Lenke Classification, The Extent of Lumbar Spinal Fusion, and Health-Related Quality of Life After Instrumented Spinal Fusion for Adolescent Idiopathic Scoliosis

I. Helenius, A. Saarinen, J. Syvänen, 2023, Spine.