Evidence map›Paper›PMID 39976895›Full record

ArticleSpine deformity2025

Pelvic asymmetry in children with neuromuscular scoliosis: a computed tomography-based 3D analysis.

Arispe Juan Pablo, Carlos Tello, Piantoni Lucas, Galaretto Eduardo, Remondino Rodrigo, Calcagni Julián, Noel Mariano

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Article in Spine deformity, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Arispe Juan PabloServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina. jpajuanpablo@gmail.com.
Carlos TelloServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.
Piantoni LucasServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.
Galaretto EduardoServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.
Remondino RodrigoServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.
Calcagni JuliánServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.
Noel MarianoServicio de Patología Espinal, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Combate de los Pozos 1881. C1245AAM. CABA., Buenos Aires, Argentina.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposePelvic fixation in pediatric neuromuscular patients with scoliosis is performed when significant pelvic obliquity is present. Instrumentation to the pelvis can be technically demanding and challenging, often associated with a high complication rate, prolonged operative time, increased radiation exposure, and increased intraoperative bleeding. The high complexity of the pelvic instrumentation technique, particularly in severe cases, led us to develop computed tomography (CT)-based 3D in a series of 53 consecutive neuromuscular patients. This analysis aimed to improve the understanding of pelvic asymmetry and preoperatively simulate pelvic instrumentation.

methodsA CT-based 3D analysis of all pelvises was performed using Mimics software (version 21), segmenting them for analysis in all three planes. We proceeded with the simulation of pelvic instrumentation with iliac screws, obtaining the angle values and corresponding orientations in the three planes for each screw. A total of 53 CT scans were analyzed, corresponding to 36 patients with myelodysplasia and 17 with neuromuscular disorders.

resultsPelvic asymmetry was observed in 88.6% (47 CT scans) of the patients. This asymmetry indicated that the weight-bearing hemipelvis underwent anatomical changes compared to the contralateral hemipelvis, including opening or closing of the pelvis relative to the sacroiliac joint, pivoting of the hemipelvis in a cephalocaudal or caudocephalic direction, and shortening of the innominate line.

conclusionThe shape of the weight-bearing hemipelvis is closely related to pelvic asymmetry. A distinct pattern was identified, characterized by cephalic or caudal pivoting, greater prominence of the iliac crest, increased distance from the sciatic spine to the coccyx, and shortening of the innominate line. This finding is relevant for surgical planning and pelvic fixation. LEVEL OF EVIDENCE: IV.

Indexed as

Imaging, Three-DimensionalNeuromuscular DiseasesPelvic BonesPelvisScoliosisTomography, X-Ray ComputedAdolescentBone ScrewsChildFemaleHumansMaleNeuromuscular scoliosisPelvic asymmetryPelvic deformity in scoliosisPelvic fixationWeight bearing half of the pelvis

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.