A study on the clinical effects of auxiliary exercise instrument combined with systematic activity for preventing postoperative DVT of artificial joint replacement / 中国医学装备

ABSTRACT

Objective: To observe the clinical effects of the combination of auxiliary exercise instrument and systematic activity for preventing the formation of postoperative deep venous thrombosis (DVT) of artificial joint replacement. Methods: 217 patients who once underwent replacements of hip joint and knee joint were randomly divided into 3 groups as random method. The patients of A group (72 cases) received auxiliary exercise instrument, and those of B group (73 cases) received systematic activity, and those of C group(72 cases) received combinative treatment of auxiliary exercise instrument and systematic activity. And all of these patients received corresponding nursing scheme to prevent postoperative DVT of artificial joint replacement, respectively. And the symptoms of them at pre-operation and 12d of post-operation were observed, respectively, and the changes of plasma D- dimer(D-D), prothrombin time activity percentage (PTA), fibrinogen (FB), activated partial thromboplastin time (APTT), prothrombin time (PT) and international normalized ratio (INR) also were detected and compared. Results: At the postoperative 1st d, 3th d, 7th d, 12th d, the limb diameter above ankle at 5 cm of patients of C group was significantly less than that of other two group (F=4.066, F=4.256, F=3.452, F=4.678, P<0.05), respectively. However the differences of limb diameter above patella at 10cm of patients among three groups were no significant. And surface temperature above ankle at 5 cm of the C group at 1st d, 3th d, 7th d and 12d were significantly lower than those of other two groups (F=4.659, F=4.325, F=3.196, F=4.754, P<0.05), respectively. And the numbers of gastrocnemius Neuhof symptom and gastrocnemius Homans symptom of C group were significantly lower than that of other two groups (x2=13.317, x2=8.517, P<0.05), respectively. At the 7th d, the plasma D-D of C group was significantly lower than other two groups (F=5.063, P<0.05), while the differences of other plasma indicators among the three groups were no significant. Conclusions: Auxiliary exercise instrument combined with systematic activity has better therapeutic effect for preventing postoperative DVT of artificial joint replacement and it is worthy to be popularized in clinical practice.