[Comparison of open and minimally invasive techniques in the surgical treatment of intradural extramedullary spinal tumors in elderly and senile patients.]

With an increase in the average life expectancy of the population, some histological types of symptomatic IEMT are more common in elderly and senile patients. Of the 45 patients included in the study, 27 (60%) patients underwent a microneurosurgical resection of the tumor tissue using minimally invasive techniques (minimally invasive group) and 18 (40%) to patients using the classical open method (open group). The duration of operative intervention in both cohorts of respondents is comparable and is 245,4±117,1 min and 261,1±108,6 min for open and minimally invasive groups, respectively (p=0,71). The volume of blood loss in the minimally invasive group of patients (139,6±44,6 ml) was statistically significantly lower than in the open technique group (539,2±127,5 ml) (p<0,01). The total degree of resection of tumor tissue was achieved in 97,4% of patients in the open group and 92,8% in the minimally invasive group (p=0,81). The incidence of recurrence of IEMT in the study cohort of patients was 6,6%. At the same time, in 1 case the relapse of IEMT was verified in an open group of patients and in 2 cases in patients of the minimally invasive group. The average duration of hospitalization of patients of the minimally invasive group was 9,6±2,7 days, and the open group 13,5±3,1 (p<0,01). The comparison of the incidence of adverse events between the two groups of patients did not show significant differences (p=0,61).