Johanna Syvänen

- Docent,
Department of Clinical Medicine (Faculty of Medicine)

johvuo@utu.fi

3 of 3

Maternal risk factors for congenital limb deficiencies: A population-based case-control study (2021)
- Paediatric and Perinatal EpidemiologyScandinavian Journal of Surgery
Syvänen Johanna, Nietosvaara Yrjänä, Hurme Saija, Perheentupa Antti, Gissler Mika, Raitio Arimatias, Helenius Ilkka
Prevalence and risk factors of radial ray deficiencies: A population-based case-control study (2021)
- American Journal of Medical Genetics Part AAmerican Journal of Medical Genetics Part A
Syvänen Johanna, Raitio Arimatias, Helenius Ilkka, Löyttyniemi Eliisa, Lahesmaa-Korpinen Anna-Maria, Gissler Mika, Nietosvaara Yrjänä
(2021)
- Journal of Pediatric Urology
Pakkasjärvi Niklas, Syvänen Johanna, Tauriainen Asta, Hyvärinen Anna, Sankilampi Ulla, Leinonen Maarit K, Gissler Mika, Helenius Ilkka, Raitio Arimatias
(2021)
- Journal of Pediatric Orthopaedics
Syvänen Johanna, Raitio Arimatias, Nietosvaara Yrjänä, Heiskanen Susanna, Lahesmaa-Korpinen Anna-Maria, Löyttyniemi Eliisa, Gissler Mika, Helenius Ilkka
Comparison Between Nailing and Plating in the Treatment of Distal Tibial Fractures: A Meta-Analysis (2020)
- Scandinavian Journal of Surgery
E. Ekman, K. Lehtimäki, J. Syvänen, M. Saltychev
Congenital lower limb deficiencies in Finland : Risk factors, prevalence, associated anomalies and treatment 2020 Syvänen Johanna
Maternal risk factors for gastroschisis: A population‐based case–control study (2020)
- Birth Defects Research
Raitio A, Tauriainen A, Leinonen MK, Syvänen J, Kemppainen T, Löyttyniemi E, Sankilampi U, Gissler M, Hyvärinen A, Helenius I
Reduced Number of Pediatric Orthopedic Trauma Requiring Operative Treatment during COVID-19 Restrictions: A Nationwide Cohort Study (2020)
- Scandinavian Journal of Surgery
Raitio A, Ahonen M, Jääskelä M, Jalkanen J, Luoto TT, Haara M, Nietosvaara Y, Salonen A, Pakkasjarvi N, Laaksonen T, Sinikumpu JJ, Syvänen J
Gastroschisis in Finland 1993 to 2014-Increasing Prevalence, High Rates of Abortion, and Survival: A Population-Based Study (2019)
- European Journal of Pediatric Surgery
Raitio A, Lahtinen A, Syvänen J, Kemppainen T, Löyttyniemi E, Gissler M, Hyvärinen A, Helenius I
Hospital Admissions and Surgical Treatment of Children With Lower-Limb Deficiency In Finland (2019)
- Scandinavian Journal of Surgery
Syvänen J, Helenius I, Koskimies-Virta E, Ritvanen A, Hurme S, Nietosvaara Y
Treatment of Aneurysmal Bone Cysts with Bioactive Glass in Children (2018)
- Scandinavian Journal of Surgery
J.Syvänen, Y.Nietosvaara, I.Kohonen, E.Koskimies, M.Haara,J. Korhonen, O. Pajulo, I. Helenius
Gelatine matrix with human thrombin decreases blood loss in adolescents undergoing posterior spinal fusion for idiopathic scoliosis A MULTICENTRE, RANDOMISED CLINICAL TRIAL (2016)
- Bone and Joint Journal
Helenius I, Keskinen H, Syvanen J, Lukkarinen H, Mattila M, Valipakka J, Pajulo O
Congenital constriction band syndrome with limb defects. A population-based study (2015)
- Journal of Pediatric Orthopaedics
Koskimies E, Syvänen J, Nietosvaara Y, Mäkitie O, Pakkasjärvi N
High Risk for Major Nonlimb Anomalies Associated with Lower-Limb Deficiency: A Population-Based Study (2014)
- Journal of Bone and Joint Surgery, American Volume
Johanna Syvänen, Yrjänä Nietosvaara, Annukka Ritvanen, Eeva Koskimies, Tommi Kauko, Ilkka Helenius
Normal behavior of plasma procalcitonin in adolescents undergoing surgery for scoliosis (2014)
Syvanen J, Peltola V, Pajulo O, Ruuskanen O, Mertsola J, Helenius I
Recessive MED With Auricular Swelling Due to Compound Heterozygosity Arg279Tpr/Thr512Lys in the SLC26A2 Gene (2013)
Syvänen J, Helenius I, Hero M, Mäkitie O, Ignatius J