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Observational Studies01:11

Observational Studies

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Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
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Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
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[Translated article] Efficacy of early versus delayed spinal cord decompression in neurological recovery after traumatic spinal cord injury: Systematic review and meta-analysis.

Revista espanola de cirugia ortopedica y traumatologia·2024
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[Translated article] SCIWORA in children. A rare clinical entity: Ambispective study.

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Related Experiment Video

Updated: Jul 16, 2025

Oral Biofilm Sampling for Microbiome Analysis in Healthy Children
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Oral Biofilm Sampling for Microbiome Analysis in Healthy Children

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SCIWORA in children. A rare clinical entity: Ambispective study.

L M Romero-Muñoz1, M Peral-Alarma1, A Barriga-Martín1

  • 1Servicio de Cirugía Ortopédica y Traumatología, Hospital Nacional de Parapléjicos, Toledo, España.

Revista Espanola De Cirugia Ortopedica Y Traumatologia
|September 9, 2023
PubMed
Summary
This summary is machine-generated.

Spinal cord without radiographic abnormality (SCIWORA) disproportionately affects children, with most injuries occurring in the cervical spine due to motor vehicle accidents. Functional recovery, assessed by AIS grade D, was observed in 31% of patients one year post-discharge and remained stable over five years.

Keywords:
Edad pediátricaLesión medularMédula espinalPediatricSCIWORASpinal cordSpinal cord injuryTraumaTraumatismo

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Area of Science:

  • Neurology
  • Orthopedics
  • Trauma Surgery

Background:

  • Spinal cord injury without radiographic abnormality (SCIWORA) presents a diagnostic challenge due to its low incidence but significant functional impact.
  • Understanding the epidemiology and long-term outcomes of SCIWORA is crucial for effective patient management.

Purpose of the Study:

  • To investigate the epidemiological characteristics of SCIWORA.
  • To evaluate the functional outcomes of SCIWORA patients with a long-term follow-up of up to 10 years.

Main Methods:

  • An observational, longitudinal ambispective cohort study was conducted.
  • Data collected included demographics, injury mechanisms, MRI findings, neurological status (ASIA Impairment Scale - AIS), and functional scores (SCIM III, NDI, Oswestry, SV-QLI/SCI).
  • Thirteen SCIWORA patients were analyzed, with re-evaluation in October 2022.

Main Results:

  • The median age of SCIWORA patients was 4 years, with 77% being male. Most injuries (54%) were in the cervical spine, primarily from motor vehicle accidents (77%).
  • At admission, 31% had AIS grade A and 31% had AIS grade C. Functional scores showed improvement from admission to discharge (SCIM III: 28.5/42).
  • Long-term follow-up revealed 31% of patients achieved AIS grade D at 1 year, with this rate remaining constant at 5 years. No significant correlation was found between injury mechanism/MRI findings and age/MRI findings.

Conclusions:

  • SCIWORA predominantly affects young children, with a high proportion of cervical spine injuries linked to motor vehicle accidents.
  • A significant percentage of patients achieve some degree of functional recovery (AIS grade D) within one year, which is maintained long-term.
  • The study highlights the importance of early identification and management of SCIWORA for optimizing functional outcomes in this vulnerable population.