Petri Sillanpää

Petri Sillanpää
Tampere University | UTA · Department of Orthopaedics and Traumatology

MD, PhD

About

34
Publications
6,263
Reads
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1,597
Citations
Additional affiliations
January 2015 - present
Dextra Hospital Tampere Finland
Position
  • Knee Surgeon
Description
  • An expert in knee and sports medicine. Lecturing at the University of Tampere. President of Finnish Arthroscopy Association and board member of Finnish Knee Association.
August 2007 - present
Tampere University Hospital (TAUH)
Position
  • Pediatric Knee Surgeon

Publications

Publications (34)
Article
Lateral patellar dislocation (LPD) is a common injury in children and adolescents, often leading to adult sequelae such as a lack of confidence due to recurrent instability and pain due to chondral damage. The contemporary approach to diagnosis and evaluation of this injury has centred on elucidation of anatomic risk factors, which are used to plan...
Article
Full-text available
Background In tibial tubercle transfer (TTT) procedures, the osteotomized and transferred tibial tubercle is usually fixed into the host bone using metal screws. Purpose To compare the strength of fixation provided by a single bioabsorbable screw versus a metal screw for TTT. Study Design Controlled laboratory study. Methods Twenty-two pairs of...
Article
Background: Patellofemoral cartilage deterioration and osteoarthritis are reported to be associated with recurrent patellar dislocation. However, the association between first-time traumatic patellar dislocation and cartilage deterioration is unknown. Purpose: The aim of this study was to assess long-term cartilage deterioration in the patellofe...
Chapter
The first recorded application of an endoscope to examine a joint occurred in 1912, when the Danish surgeon Severin Nordentoft used a laparoscope to examine the interior of knees. Since then, arthroscopic techniques evolved quickly and were extended to numerous joints.
Article
Purpose: To define medial patellofemoral ligament (MPFL) injury characteristics at the patellar attachment and clinical outcome in patients with primary traumatic patellar dislocation and MPFL avulsion injury at the patella. Methods: Magnetic resonance imaging (MRI) was used to assess patients with primary (first-time) patellar dislocation and M...
Article
Anterior cruciate ligament rupture of the knee is a common knee injury associated with sports and exercise. The injury typically arises when the foot is tightly locked against the floor or ground, whereby a sudden change of direction combined with the slowed motion causes a rotary motion of the upper part of the tibia and a force rupturing the cruc...
Article
Acute knee (tibiofemoral joint) dislocation is a serious knee injury, although population-based numbers and incidence rates of knee dislocation with or without concomitant vascular injury are unknown. The study covered the whole adult population of 4 million persons (aged ≥ 18 years) in Finland during the 11-year period from January 1, 1998, to Dec...
Article
Traumatic and nontraumatic patellofemoral instability (PFI) in children and adolescents is a complex problem. It is determined by a large number of mechanical and pathomorphologic conditions, mainly seen in nontraumatic dislocations. Although conservative treatment with a short immobilization, followed by early passive motion and isometric quadrice...
Article
Full-text available
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 to assess the incidence trends of surgically treated, acute Achilles tendon ruptures. Our hypothesis, based on the recent literature showing no difference in functiona...
Article
Primary patellar dislocation injures the medial patellofemoral ligament (MPFL), the major soft-tissue stabilizer of the patella, which may lead to recurrent patellar instability. Recurrent patellar dislocation are common and may require surgical intervention. The variation in location of injury of the MPFL and the presence of an osteochondral fract...
Article
Lower limb overuse injuries are common among people who are exposed to physical stress. Orthotic shoe insoles are widely used to prevent lower limb overuse injuries. Here, we conducted a randomized-controlled study to examine whether the use of orthotic insoles prevents lower limb overuse injuries. Participants (n=228) were randomly assigned to use...
Article
Studies from the United States report a large increase in the surgical treatment of distal radius fractures with open reduction and internal fixation using locked plates. The aim of the present study was to determine whether the same trend has occurred in a Scandinavian country by assessing the number, incidence, and surgical methods of all surgica...
Article
Full-text available
Orthotic insoles are suggested to prevent low back pain. This randomized controlled study assessed if customised orthotic insoles prevent low back pain. Healthy military conscripts (n = 228; mean age 19 years, range 18-29) were randomly assigned to use either customised orthotic insoles (treatment group, n = 73) or nothing (control group, n = 147)....
Article
Damage of the medial patellofemoral ligament in connection with traumatic patellar luxation is important to recognize. Repair or reconstruction of this structure prevents the recurrence of patellar luxation. Anatomy of the patellofemoral joint, on the other hand, has significant effect on patellar stability, whereby the same procedure is not approp...
Article
Stress fractures often occur in physically active individuals as a result of repetitive strenuous muscle and tendon forces acting on bones that have not adapted to such forces1-3. To our knowledge, the literature contains no reports of displaced longitudinal stress fractures of the patella requiring open reduction and internal fixation. The quadric...
Article
the clinical role of patellofemoral (PF) osteoarthrosis (OA) in the outcome after PF stabilizing surgery is poorly understood. The study hypothesis was that PF cartilage lesions and OA are associated with a poor long-term outcome after PF stabilizing surgery. the study cohort included thirty-seven patients who underwent PF stabilizing surgery by tr...
Article
The aim of the study was to assess volumetric analysis of bone bruises in acute primary traumatic patellar dislocation by magnetic resonance imaging (MRI) and resolving resolution of bruises in follow-up MRI. MRI was performed in 23 cases. A follow-up examination was done at a mean of 12 months after dislocation. Volumes of patellar and femur bruis...
Article
In skeletally immature athletes, lateral patellar dislocation (LPD) is a common knee injury, which can lead to recurrent patellar dislocations in about half of the cases. The medial patellofemoral ligament (MPFL) is frequently injured in an acute LPD. Initial management should be nonoperative. Surgical stabilization is recommended after failure of...
Article
Full-text available
The clinical relevance of medial patellofemoral ligament (MPFL) injury location in primary patellar dislocation has not been studied. Prognosis after primary traumatic patellar dislocation may vary by MPFL injury location. Cohort study; Level of evidence, 3. The initial magnetic resonance imaging (MRI) findings in 53 patients with identical nonoper...
Article
There is no consensus about the management of acute primary traumatic patellar dislocation in young physically active adults. The objective of this study was to compare the clinical outcomes after treatment with and without initial stabilizing surgery for primary traumatic patellar dislocation in young adults. Forty young adults, thirty-seven men a...
Article
No previous research has investigated the diagnostic validity of magnetic resonance imaging for acute versus chronic meniscal tears using comparable materials and methods. There is no difference in the diagnostic validity of magnetic resonance imaging for acute versus chronic meniscal tears in young adults. Cohort study (diagnosis); Level of eviden...
Article
Full-text available
There is evidence that low back pain (LBP) during young adulthood and military service predicts LBP later in life. The purpose of this study was to investigate the incidence and trends of LBP hospitalisation among Finnish military conscripts. All male conscripts performing their compulsory military service during 1990-2002 were included in the stud...
Article
Patellar dislocations are associated with injuries to the medial patellofemoral ligament (MPFL). Several techniques for MPFL reconstruction have been recently published with some disadvantages involved, including large skin incisions and donor site morbidity. Arthroscopic stabilizing techniques carry the potential of inadequate restoration of MPFL...
Article
Full-text available
No data exist whether patients with primary traumatic patellar dislocation benefit from initial arthroscopic medial repair surgery. To compare long-term outcomes of patients treated with acute arthroscopic stabilization for patellar dislocation with those treated nonoperatively except for removal of loose bodies. Cohort study; Level of evidence, 2....
Article
Routinely collected hospital discharge data are a valuable and widely used source of information when assessing the incidence of sports and other injuries in epidemiological studies. However, in order to ensure the usefulness of a hospital discharge register for scientific purposes, the coverage and accuracy of the database should be evaluated. In...
Article
Full-text available
Unlabelled: Recently, medial patellofemoral ligament reconstruction has been emphasized for the treatment of patellar dislocation. This study compared the results of medial patellofemoral ligament reconstruction by adductor magnus tenodesis with distal patellar realignment in patients with recurrent patellar dislocation. Additionally, the developm...
Article
The purpose of this study was to investigate incidence, nature, and risk factors of primary traumatic patellar dislocations. We identified acute first-time traumatic patellar dislocations from a national hospital discharge register. Patients with previous patellar dislocations, subluxations, or knee traumas were excluded. The sample consisted of 12...

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