Abstract
The objective of the present study was to investigate the clinical efficacy of early application and ideal dosage of urokinase after minimally invasive surgery for hypertensive intracerebral hemorrhage (HICH). We consecutively enrolled 132 patients with HICH who underwent CT-guided stereotactic intubation of the hematoma combined with dissolution using urokinase, where the urokinase was injected at 24 h after intubation. The 40 patients in the low-dosage group received 10-30 thousand units of urokinase; the 46 patients in the moderate-dosage group received 40-60 thousand units of urokinase; and the 46 patients in the high-dosage group received 70-100 thousand units of urokinase. After the drainage tubes were clamped for 4-6 h, clamps were removed for drainage for 24 h, and the intubated tubes were maintained for 3-5 d. Patients in all groups were followed up for 6 months, and the clinical outcomes were compared. The clearance of hematomas in the high-dosage group was significantly improved compared with the other two groups (p<0.05), and the occurrence rates of complications in the moderate- and high-dosage groups were significantly higher than in the low-dosage group (p<0.05). During follow-up, the Chinese stroke scale and Barthel index scores in the high-dosage group were higher than those in the other two groups (p<0.05). The serum levels of matrix metalloproteinase-9 (MMP-9) and neuron-specific enolase (NSE) in the high-dosage group were lower than those in the other two groups (p<0.05). CT-guided stereotactic intubation of the hematoma combined with dissolution using urokinase is effective for eliminating the hematoma for treatment of HICH with few complications. For recovery of neurological functions and improvement of regular life skills, it is considered to be associated with decreases in the serum levels of MMP-9 and NSE.
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