Electrolytic and gasometric components of chronic subdural hematoma
Keywords:
chronic subdural hematoma, surgical treatment, gasometry, Markwalder scaleAbstract
Objective: To identify the behavior of the electrolytic and gasometric components of the blood contained in chronic subdural hematomas and to relate them with their growth and expansion.
Methods: A pre-external study was carried out with 20 adult patients surgically treted by chronic subdural hematoma, in the Neurosurgery Service, at Roberto Rodríguez General Teaching Hospital, from Ciego de Ávila, from January to December 2019. The ANOVA test of a single direction was used to determine which sociodemographic variables were related to the results and what hemochemical and gas variables were linked to the growth of the thickness of hematoma. The variables age, sex and Markwalder scale were used, as well as the excess base, pH and PACO2. The Pearson Bivariate Correlation Test was also carried out to evaluate the linear relationship between two variables.
Results: The Markwalder scale at hospitalization evidenced higher incidence of grades II and III, with 7 (35%) and 9 cases (45%), respectively. Those over 60 years (95%) predominated and the volumes of the upper hematoma of 40 cm3 (70%) were more frequent. The Glasgow results scale showed grade V predominance (70%).
Conclusions: Gasometric characteristics showed the decrease of excess base, normal or acid pH and the increase in subdural Blood PACO2. The electrolytic components of the blood seem to have participation in the accumulation and subsequent growth of hematoma.
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References
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