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1.
Neurosurg Focus ; 54(3): E3, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36857789

RESUMEN

OBJECTIVE: The Chicago Chiari Outcome Scale (CCOS) serves as a standardized clinical outcome evaluation tool among patients with Chiari malformation type I (CM-I). While the reliability of this scale has been proven for pediatric patients, the literature lacks CCOS validation when used solely in adults. Therefore, this study aimed to determine the validity of the CCOS in an external cohort of adult patients. METHODS: The authors retrospectively analyzed the medical records of symptomatic patients with CM-I who underwent posterior fossa decompression between 2010 and 2018 in six neurosurgical departments. Each patient was clinically assessed at the latest available follow-up. Gestalt outcome was determined as improved, unchanged, or worsened compared with the preoperative clinical state. Additionally, the CCOS score was calculated for each patient based on the detailed clinical data. To verify the ability of the CCOS to determine clinical improvement, the area under the receiver operating characteristic (AUROC) curve was evaluated. A logistic regression analysis using all four components of the CCOS (pain symptoms, nonpain symptoms, functionality, and complications) was performed to establish predictors of the improved outcome. RESULTS: Seventy-five individuals with a mean age of 42 ± 15.32 years were included in the study. The mean follow-up duration was 52 ± 33.83 months. Considering gestalt outcome evaluation, 41 patients (54.7%) were classified as improved, 24 (32%) as unchanged, and 10 (13.3%) as worsened. All patients with a CCOS score of 14 or higher improved, while all those with a CCOS score of 8 or lower worsened. The AUROC was 0.986, suggesting almost perfect accuracy of the CCOS in delineating clinical improvement. A CCOS score of 13 showed high sensitivity (0.93) and specificity (0.97) for identifying patients with clinical improvement. Additionally, a meaningful correlation was found between higher CCOS scores in each component and better outcomes. Patient stratification by total CCOS score showed that those categorized as improved, unchanged, and worsened scored prevalently between 13 and 16 points, 10 and 12 points, and 4 and 9 points, respectively. CONCLUSIONS: In this adult cohort, the CCOS was found to be almost perfectly accurate in reflecting postoperative clinical improvement. Moreover, all four CCOS components (pain symptoms, nonpain symptoms, functionality, and complications) significantly correlated with patient clinical outcomes.


Asunto(s)
Malformación de Arnold-Chiari , Humanos , Adulto , Niño , Persona de Mediana Edad , Chicago , Reproducibilidad de los Resultados , Estudios Retrospectivos , Dolor
2.
Clin Neurol Neurosurg ; 217: 107268, 2022 06.
Artículo en Inglés | MEDLINE | ID: mdl-35490562

RESUMEN

OBJECTIVE: Spontaneous intracranial hypotension (SIH) can be effectively treated by epidural blood patch (EBP) following the primary unsuccessful conservative therapy. Nevertheless, multi-site cerebrospinal fluid (CSF) leaks or those originating at the cervical or thoracic spine remain therapeutically challenging. Therefore, this study aimed to present our experience in the treatment of thoracic CSF leaks using epidural catheters for the EBP infusion. METHODS: Three patients presenting with typical orthostatic headaches were qualified for an EBP procedure. Preoperative MRI scans, myelography, and CT myelography were performed. Additionally, delayed CT myelography was repeated after 3 h to identify the CSF leakage site. Patients were followed-up clinically and radiologically for three months. RESULTS: The CT myelography identified CSF leak at the T2-3 (case 1), T5-12 (case 2), and T3-7 level (Case 3). A 0.06" diameter lumbar drainage catheter (Case 1 and 2) or Abbot's spinal cord stimulation (SCS) catheter (Case 3) was inserted epidurally through the lower thoracic/lumbar single-entry point and advanced into the identified thoracic leak site. The average volume of injected blood was 15.7 ml. No procedure-related complications were observed, and all patients improved clinically. CONCLUSIONS: Epidural catheters remain safe and effective in treating thoracic and multi-site CSF leaks. In addition, Abbot's SCS catheter was found superior to the lumbar drainage catheter due to higher rigidity and bigger diameter despite being shorter than the lumbar drainage catheter.


Asunto(s)
Parche de Sangre Epidural , Hipotensión Intracraneal , Parche de Sangre Epidural/efectos adversos , Parche de Sangre Epidural/métodos , Catéteres/efectos adversos , Pérdida de Líquido Cefalorraquídeo/etiología , Humanos , Hipotensión Intracraneal/complicaciones , Hipotensión Intracraneal/diagnóstico por imagen , Hipotensión Intracraneal/terapia , Imagen por Resonancia Magnética/efectos adversos , Mielografía/efectos adversos
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