Pedro Araújo Petersen

ORCID: 0000-0002-3174-5983
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About
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Research Areas
  • Spinal Dysraphism and Malformations
  • Nerve Injury and Rehabilitation
  • Orthopedic Surgery and Rehabilitation
  • Peripheral Nerve Disorders
  • Scoliosis diagnosis and treatment
  • Bone fractures and treatments
  • Spinal Fractures and Fixation Techniques
  • Bariatric Surgery and Outcomes
  • Family and Disability Support Research
  • Shoulder and Clavicle Injuries
  • Wound Healing and Treatments
  • Esophageal and GI Pathology
  • Fetal and Pediatric Neurological Disorders
  • Cerebrospinal fluid and hydrocephalus
  • Spine and Intervertebral Disc Pathology
  • Helicobacter pylori-related gastroenterology studies
  • Injury Epidemiology and Prevention
  • Spinal Hematomas and Complications
  • Anesthesia and Pain Management
  • Knee injuries and reconstruction techniques

Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
2020-2021

Clinical Orthopaedics and Related Research
2019

Committee on Publication Ethics
2019

Universidade de São Paulo
2012-2015

Centro Universitário das Faculdades Metropolitanas Unidas
2012

Instituto Nacional de Traumatologia e Ortopedia
2012

The objective was to compare the traditional microdiscectomy with percutaneous endoscopic lumbar discectomy for treatment of disc herniations regarding pain, disability, and complications.Randomized clinical trial 47 patients treated 2 different surgical techniques: or discectomy. Forty-seven were divided into groups monitored 12 months. Irradiated low back pain evaluated visual analog scale. Surgery complications recorded.After surgery, sciatica disability improved significantly but without...

10.14444/7010 article EN The International Journal of Spine Surgery 2020-02-01

To evaluate the factors influencing results of ulnar nerve neurotization at motor branch brachii biceps muscle, aiming restoration elbow flexion in patients with brachial plexus injury.19 patients, 18 men and 1 woman, mean age 28.7 years. Eight had injury to roots C5-C6 11, C5-C6-C7. The average time interval between surgery was 7.5 months. Four cervical fractures associated injury. postoperative follow-up 15.7 months.Eight recovered strength MRC grade 4; two, 3 nine, <3. There no impairment...

10.1590/s1413-78522012000600001 article EN cc-by Acta Ortopédica Brasileira 2012-12-01

Abstract Background Lumbar kyphosis is a complex spinal deformity occurring in approximately 8% to 20% of patients with myelomeningocele. The resulting gibbosity may cause pressure ulcers, difficulty lying down the supine position and sitting on ischia without support, decreasing quality life (QOL). Surgery generally performed correct maintain vertebral alignment, but high complication rates have been reported. Despite satisfactory radiological results, impact surgery its complications...

10.1097/corr.0000000000000976 article EN cc-by Clinical Orthopaedics and Related Research 2019-09-19

OBJETIVO: Avaliar de forma crítica os fatores que influenciam resultados da neurotização do nervo ulnar no ramo motor músculo bíceps braquial, visando a restauração flexão cotovelo em pacientes com lesão plexo braquial. MÉTODOS: 19 pacientes, 18 homens e uma mulher, idade média 28,7 anos foram avaliados entre fevereiro 2003 maio 2007. Oito apresentavam das raízes C5-C6 11, C5-C6-C7. O intervalo tempo médio injúria o tratamento cirúrgico foi 7,5 meses. Quatro fraturas cervicais associadas à...

10.1590/s1413-78522012000600001 article PT 2012-12-01

OBJETIVO: A haste intramedular (HIM) é o padrão ouro no tratamento das fraturas diafisárias da tíbia. Uma complicações frequentes a dor joelho após procedimento. MÉTODOS: Vias alternativas, como suprapatelar para introdução opção evitar período pós-operatório tardio, têm sido estudadas. questão se nesta nova via ocorre alguma lesão às estruturas intra-articulares do joelho. RESULTADOS: Este estudo analisa e risco as adjacentes através sua reprodução em 10 joelhos de cinco cadáveres....

10.1590/s0102-36162012000200005 article PT cc-by Revista Brasileira de Ortopedia 2012-04-01

Objective: Intramedullary nails are the gold standard for treating tibial shaft fractures. Knee pain is a frequent complication after procedure. Alternative routes such as suprapatellar approach nail insertion seen an option avoiding late postoperative knee pain. The question whether this might give rise to any injury intra-articular structures of knee. Methods: This study analyzed and risk adjacent by reproducing it in 10 knees five cadavers. Results: was make easy locate entry point, with...

10.1016/s2255-4971(15)30082-3 article EN cc-by-nc-nd Revista Brasileira de Ortopedia (English Edition) 2012-03-01

ABSTRACT Objectives: To evaluate the epidemiological profile of patients with spinal fractures over a two-year period (2017 and 2018) in quaternary hospital city São Paulo. Methods: A cross-sectional study was carried out through analysis electronic medical records treated by Spine group Department Orthopedics Traumatology at Emergency Room Hospital das Clínicas de Paulo years 2017 2018. Results: total 185 were evaluated two years. Males gender most frequently (69.19%), mean patient age...

10.1590/s1808-185120212004250135 article EN cc-by Coluna/Columna 2021-12-01

Objectives:The lumbar kyphosis in patients with myelomeningocele is a complex deformity whose treatment mainly surgical. The objective of this study to summarize the results and complications obtained by group 2012 respect patients.Method:Performed retrospective analysis medical records radiographs consecutively operated 2012. technique was originally described Dunn-McCarthy consists kyphectomy posterior fixation using S-shaped Luque rods through foramina S1 associated pedicle screws...

10.1590/s1808-185120151403114272 article EN cc-by Coluna/Columna 2015-09-01
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