Ville M. Mattila

ORCID: 0000-0001-9946-4830
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About
Contact & Profiles
Research Areas
  • Orthopedic Surgery and Rehabilitation
  • Sports injuries and prevention
  • Shoulder Injury and Treatment
  • Trauma and Emergency Care Studies
  • Lower Extremity Biomechanics and Pathologies
  • Foot and Ankle Surgery
  • Bone fractures and treatments
  • Pregnancy-related medical research
  • Injury Epidemiology and Prevention
  • Occupational Health and Performance
  • Knee injuries and reconstruction techniques
  • Musculoskeletal pain and rehabilitation
  • Hip and Femur Fractures
  • Shoulder and Clavicle Injuries
  • Pelvic and Acetabular Injuries
  • Tendon Structure and Treatment
  • COVID-19 and healthcare impacts
  • Elbow and Forearm Trauma Treatment
  • Maternal and Perinatal Health Interventions
  • Total Knee Arthroplasty Outcomes
  • Trauma Management and Diagnosis
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Cardiac Arrest and Resuscitation
  • Diabetic Foot Ulcer Assessment and Management
  • Emergency and Acute Care Studies

Tampere University
2016-2025

Tampere University Hospital
2016-2025

Coxa Hospital
2017-2025

Weatherford College
2022

Faculty of Public Health
2020

Karolinska Institutet
2014-2019

Karolinska University Hospital
2013-2018

Finnish Defence Forces
2005-2017

Aalto University
2014

Pirkanmaa Hospital District
2008-2012

The high mortality of hip fracture patients is well documented, but sex- and cause-specific after has not been extensively studied. purpose the present study was to evaluate cause death in surgery compare their those general population.Records 428 consecutive were collected on a population-basis data population comprising all Finns 65 years age or older cohort-basis. Cause classified as follows: malignant neoplasms, dementia, circulatory disease, respiratory digestive system other.Mean...

10.1186/1471-2474-12-105 article EN cc-by BMC Musculoskeletal Disorders 2011-05-20

Background: Population-based incidence rates and trends of acute Achilles tendon ruptures are not known. It is also known whether recent high-quality randomized controlled trials favoring surgery have had an effect on treatment protocols. Purpose: To assess the in Sweden to examine surgical treatment. Study Design: Descriptive epidemiology study. Methods: We conducted a nationwide registry-based study including all adult (≥18 years age) inpatient outpatient hospital visits because rupture...

10.1177/0363546514540599 article EN The American Journal of Sports Medicine 2014-07-23

The purpose of this study was to investigate incidence, nature, and risk factors primary traumatic patellar dislocations.We identified acute first-time dislocations from a national hospital discharge register. Patients with previous dislocations, subluxations, or knee traumas were excluded. sample consisted 128,714 Finnish male conscripts (median age 20). Background factor data obtained conscript service database. dislocators observed during their period for short-term outcome.From the...

10.1249/mss.0b013e318160740f article EN Medicine & Science in Sports & Exercise 2008-04-01

Abstract Low vitamin D level may predict rickets, osteomalacia, or osteoporosis. We examined serum 25(OH)D concentration as a predisposing factor for bone stress fracture in 756 military recruits. The average was significantly lower the group with fracture, suggesting relationship between and fatigue fracture. Introduction: Fatigue is one of most frequently seen types overuse injuries athletes An association recently shown BMC. A correlation has also been found low femoral BMD fractures....

10.1359/jbmr.060607 article EN Journal of Bone and Mineral Research 2006-08-30

Objectives: The knee joint is the most common site for injury among younger people, often resulting in expensive (surgical) treatment, long-term rehabilitation and permanent functional impairment disability. Methods: We investigated incidence risk factors a major knee-ligament an adolescent Finnish population. A population-based cohort of 46 472 adolescents was followed average 9 years. All patients hospitalised with diagnosis anterior or posterior cruciate ligament (ACL PCL injury) were...

10.1136/bjsm.2008.046185 article EN British Journal of Sports Medicine 2008-04-07

Vitamin D is formed in the skin from 7-dehydrocholesterol after activation induced by ultraviolet B (UVB) radiation (290-315 nm).Vitamin precursor of hormone 1,25(OH) 2 D, which hydroxylation reactions, first to 25-hydroxyvitamin hereafter abreviatd 25(OH)D, liver and then 1.25(OH) kidneys or target organs [1].Vitamin regulates calcium phosphate balance, as well bone mineralization [2], vitamin deficiency leads secondary hyperparathyroidism, causes rickets children osteoporosis osteomalacia...

10.1086/654881 article EN The Journal of Infectious Diseases 2010-07-15

There is no consensus about the management of acute primary traumatic patellar dislocation in young physically active adults. The objective this study was to compare clinical outcomes after treatment with and without initial stabilizing surgery for adults.Forty adults, thirty-seven men three women a median age twenty years (range, nineteen twenty-two years), who had an were randomly allocated be treated surgical stabilization (eighteen patients, each receiving one two types procedures) or...

10.2106/jbjs.g.01449 article EN Journal of Bone and Joint Surgery 2009-01-30

Background: Studies from the United States report a large increase in surgical treatment of distal radius fractures with open reduction and internal fixation using locked plates. The aim present study was to determine whether same trend has occurred Scandinavian country by assessing number, incidence, methods all surgically treated Finland over recent 11-year period. Methods: covered whole adult population (aged >19 years) during period January 1, 1998, December 31, 2008. Data on were...

10.1097/ta.0b013e3182231af9 article EN Journal of Trauma and Acute Care Surgery 2011-10-01

The clinical relevance of medial patellofemoral ligament (MPFL) injury location in primary patellar dislocation has not been studied.Prognosis after traumatic may vary by MPFL location.Cohort study; Level evidence, 3.The initial magnetic resonance imaging (MRI) findings 53 patients with identical nonoperative management were retrospectively analyzed for restraint injuries. sites classified as follows: femoral, midsubstance, and patellar. Magnetic was used to assess control articular...

10.1177/0363546509333010 article EN The American Journal of Sports Medicine 2009-04-17

Background No data exist whether patients with primary traumatic patellar dislocation benefit from initial arthroscopic medial repair surgery. Purpose To compare long-term outcomes of treated acute stabilization for those nonoperatively except removal loose bodies. Study Design Cohort study; Level evidence, 2. Methods The study group included 76 consecutive military recruits (72 men, 4 women), a median age 20 years (range, 19–22) at the time dislocation. Thirty (group 1) underwent...

10.1177/0363546508322894 article EN The American Journal of Sports Medicine 2008-09-01

Rotator cuff repair incidence rates have reportedly increased in the United States and England. Here we analyzed nationwide data relating to rotator repairs recorded Finnish National Hospital Discharge Register (NHDR). The NHDR was reviewed identify adult patients who underwent between 1998 2011. Incidence per 105 person-years were calculated using annual population size. During 14-year time period, 50,646 performed on subjects aged 18 years or older. of showed an almost linear increase 204...

10.1186/s12891-015-0639-6 article EN cc-by BMC Musculoskeletal Disorders 2015-08-11

Abstract Background COVID-19 outbreak lead to nationwide lockdown in Finland on the March 16th, 2020. Previous data regarding patient load emergency departments during pandemics is scarce. Our aim describe effect of national and social distancing number reasons for department (ED) visits inpatient admissions three large volume hospitals prior after epidemic Finland. Methods Data this register-based retrospective cohort study were collected from ED’s Finland, covering 1/6 Finnish population....

10.1186/s13049-020-00810-0 article EN cc-by Scandinavian Journal of Trauma Resuscitation and Emergency Medicine 2020-12-01

Background: Clavicle fractures are common injuries causing substantial morbidity. Recent literature suggests that the incidence of surgically treated clavicle has increased. However, it is unknown whether increase caused by more surgeons choosing operative over nonoperative treatment for injury or an in actual fractures. The aim this study was to assess both national and rate surgical those Sweden. Methods: We assessed trends rates surgery validated Swedish Hospital Discharge Register offers...

10.2106/jbjs.15.01284 article EN Journal of Bone and Joint Surgery 2016-11-02

Background:Patellofemoral cartilage deterioration and osteoarthritis are reported to be associated with recurrent patellar dislocation. However, the association between first-time traumatic dislocation is unknown. Purpose:The aim of this study was assess long-term in patellofemoral tibiofemoral joint after conservatively treated lateral Methods:Twenty patients (mean age, 25 years) who sustained no previous instability symptoms were initially scanned 1.5-T magnetic resonance imaging (MRI). A...

10.1177/0363546516687549 article EN The American Journal of Sports Medicine 2017-02-01

Anterior cruciate ligament (ACL) injury is a common knee in paediatric and adolescent patients. The population-based incidence of ACL is, however, unknown. Recent studies suggest increased rates among adolescents, especially active, sports-participating population. purpose this study was to investigate the injuries trends reconstruction surgery.All were identified (ICD-10 diagnosis code S83.5) leading hospitalisation or surgery using validated Finnish National Hospital Discharge Register...

10.1007/s00167-019-05553-9 article EN cc-by Knee Surgery Sports Traumatology Arthroscopy 2019-06-20

Background A concern has been that health care reorganizations during the first COVID-19 wave have led to delays in elective surgeries, resulting increased complications and even mortality. This multicenter study examined changes waiting times of surgeries pandemic Finland. Methods Data on surgery were gathered from three Finnish public hospitals for years 2017–2020. Surgery incidence year 2020 was compared reference 2017–2019. The mean annual, monthly, weekly calculated with 95% confidence...

10.1371/journal.pone.0253875 article EN cc-by PLoS ONE 2021-07-06

Background Although increasingly used, the benefit of surgical treatment displaced 2-part proximal humerus fractures has not been proven. This trial evaluates clinical effectiveness surgery with locking plate compared non-operative for these fractures. Methods and findings The NITEP group conducted a superiority, assessor-blinded, multicenter randomized in 6 hospitals Finland, Estonia, Sweden, Denmark. Eighty-eight patients aged 60 years or older (more than 1 cm 45 degrees) anatomical neck...

10.1371/journal.pmed.1002855 article EN cc-by PLoS Medicine 2019-07-18

The introduction and development of new total knee arthroplasty (TKA) implant designs are industry driven. To date, an adequately powered randomized controlled trial (RCT) to provide evidence the superiority novel over conventional ones is often lacking. aim our RCT was investigate functional outcomes a TKA design compared with 2 designs. Primary outcome difference in change Oxford Knee Score (OKS) at years. Secondary were Forgotten Joint Score, 15D quality life questionnaire, UCLA activity...

10.2340/17453674.2024.42708 article EN cc-by-nc Acta Orthopaedica 2025-01-24

Purpose: The aim of the present study was to assess risk factors for magnetic resonance imaging (MRI)-detected bone stress injuries in pelvis, hip, thigh, and knee a large cohort Finnish conscripts during follow-up 102,515 person-years. Methods: An epidemiologic prospective 152,095 conscripts, including 2345 (1.5%) females, conducted. Localized pain or resulted an orthopedic surgeon's consultation subsequent MRI examination at Central Military Hospital, Helsinki, Finland. Risk were...

10.1249/01.mss.0b013e318053721d article EN Medicine & Science in Sports & Exercise 2007-06-28

Recently, medial patellofemoral ligament reconstruction has been emphasized for the treatment of patellar dislocation. This study compared results by adductor magnus tenodesis with distal realignment in patients recurrent Additionally, development osteoarthrosis was these two procedures at a median 10-year followup. Between 1994 and 2000, 47 consecutive were treated dislocation (18 knees) or Roux-Goldthwait procedure (29 knees). Redislocations, subjective symptoms, functional outcomes...

10.1007/s11999-008-0207-6 article EN Clinical Orthopaedics and Related Research 2008-03-17

Objectives Acute Achilles tendon ruptures are common among highly active people. Recently published studies have provided increasing evidence to support non-surgical treatment. This study aimed assess the incidence trends of surgically treated, acute ruptures. Our hypothesis, based on recent literature showing no difference in functional results between surgical and treatment, was that surgery would be declining. Methods We conducted a nationwide hospital register-based study. All patients...

10.1136/bjsports-2013-092756 article EN British Journal of Sports Medicine 2013-10-15

Proximal humeral fractures are common osteoporotic fractures. Most proximal treated non-surgically, although surgical treatment has gained popularity. The purpose of this study was to determine changes in the Finland between 1987 and 2009. covered entire adult (>19 y) population over 23-year period from 1st January 31st December We assessed number incidence surgically each year observation recorded type surgery used. cohort based on data Finnish National Hospital Discharge Register. During...

10.1186/1471-2474-13-261 article EN cc-by BMC Musculoskeletal Disorders 2012-12-01
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