观察组于术前在护士指导下于家中进行自身悬吊牵引，对照组住院期间于术前按常规行骨盆牵引。
The patients in the experimental group conducted self-suspension traction at home under the guidance of nurse, and the patients in the control group were subjected to routine pelvic traction.
观察组于术前在护士指导下于家中进行自身悬吊牵引，对照组住院期间于术前按常规行骨盆牵引。
The patients in the experimental group conducted self-suspension traction at home under the guidance of nurse, and the patients in the control group were subjected to routine pelvic traction.
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