Ultrasound-guided supra-acetabular pin placement in pelvic external fixation: description of a surgical technique and results. 2017

Francisco Chana-Rodríguez, and Manuel Cuervas-Mons, and José Rojo-Manaute, and Félix Mora, and Juan Arnal, and Javier Vaquero-Martín
Department of Traumatology and Orthopaedic Surgery, General University Hospital Gregorio Marañón, C/Doctor Esquerdo, 46, 28007, Madrid, Spain. Electronic address: chanaphd@yahoo.es.

BACKGROUND Pelvic fracture in trauma patients can lead to hemodynamic instability. External fixation is a treatment capable of stabilizing these injuries in the context of damage control surgery. Supra-acetabular pin offers the greater biomechanical stability but requires the use of intraoperative fluoroscopy. The aim of this study was to analyze our results for an ultrasound-guided supra-acetabular pinning. METHODS Cross-sectional study with cadaveric specimens. Ultrasound-guided pin placement assessed by fluoroscopy and dissection. RESULTS Fourteen ultrasound-guided supra-acetabular pins were placed in seven cadaveric specimens. Excellent placement in all cases, evaluated with radiological control. Good qualitative bone fixation after dissection. One femoral cutaneous nerve was not found during anatomic dissection and was assumed injured. CONCLUSIONS Ultrasound-guided supra-acetabular pin placement is a feasible and effective technique. Our study indicates that pin placement without intraoperative fluoroscopy is feasible without compromising the reliability of its placement.

UI MeSH Term Description Entries
D008297 Male Males
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D010384 Pelvic Bones Bones that constitute each half of the pelvic girdle in VERTEBRATES, formed by fusion of the ILIUM; ISCHIUM; and PUBIC BONE. Coxal Bone,Hip Bone,Innominate Bones,Bone, Coxal,Bone, Hip,Bone, Innominate,Bone, Pelvic,Bones, Coxal,Bones, Hip,Bones, Innominate,Bones, Pelvic,Coxal Bones,Hip Bones,Innominate Bone,Pelvic Bone
D001858 Bone Nails Rods of bone, metal, or other material used for fixation of the fragments or ends of fractured bones. Bone Pins,Bone Nail,Bone Pin,Nail, Bone,Nails, Bone,Pin, Bone,Pins, Bone
D002102 Cadaver A dead body, usually a human body. Corpse,Cadavers,Corpses
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D005260 Female Females
D005592 Fracture Fixation The use of metallic devices inserted into or through bone to hold a fracture in a set position and alignment while it heals. Skeletal Fixation,Fracture Reduction,Fixation, Fracture,Fixation, Skeletal,Fixations, Fracture,Fixations, Skeletal,Fracture Fixations,Fracture Reductions,Reduction, Fracture,Reductions, Fracture,Skeletal Fixations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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