Klinischer Vergleich postoperativer Ergebnisse von Ballon- und Radiofrequenz-Kyphoplastie - Eine prospektive randomisierte Vergleichsstudie
Objective In a prospective study, differences in the achievement of pain reduction, domestic care situation, and restoration of the height of the vertebral body after balloon kyphoplasty (BKP) or radiofrequency-targeted vertebral augmentation (RF-TVA) were to be tested on a randomized patient population. Results A total of 80 patients (f=59; m=21) with osteoporotic fractures of vertebral bodies were enrolled and assigned to the groups BKP (n=44) or RF-TVA (n=36). The average age in the two groups was 82 years (range 79.3-84.3). The operations for BKP were bipedicular in all cases; for RF-TVA, a bipedicular access was required in only 5 cases (14 %) (p>0.0001). There were confirmed differences with respect to the amount of cement used (ml) between the two groups (BKP=4.9±1 vs. RF-TVA=3.4±1; p<0.001). The analysis of the maximum VAS data showed a clear postoperative reduction in the intensity of pain of approx. 4.5 cm in each of the groups with no discernible difference. After 12 months, the majority of patients in both groups (BKP=61 % vs. RF-TVA=83 %) reported being free of pain when at rest (p=0.05); the percentage of patients reporting no pain under physical activity was less pronounced (BKP= 37 % vs. RF-TVA= 53 %) (p=0,02). Conclusion Both methods proved to be effective and safe; with respect to limitations in domestic independence of all patients in the follow-up survey, the high age and pronounced limitation of physical functions in the baseline situation must be taken into consideration. A certain superiority of RF-TVA with respect to pain relief, amount of cement required, savings of operating time and personnel, and greater safety with respect to cement leakage noted in this prospective study are consistent with published literature from other centers.
Subject HeadingsWirbelbruch [GND]
Spinal fractures [MeSH]