麻烦问一下，袁女士接受手术前需要做哪些准备？
几天后，袁女士在医院做了腹腔镜下卵巢右附件切除术。[{'character': '几', 'pinyin': 'ji3', 'highest pitch': 8.19, 'lowest pitch': 6.99, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '天', 'pinyin': 'tian1', 'highest pitch': 9.91, 'lowest pitch': 9.14, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 9.81, 'lowest pitch': 6.28, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '袁', 'pinyin': 'van2', 'highest pitch': 10.48, 'lowest pitch': 7.14, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '女', 'pinyin': 'nv3', 'highest pitch': 10.68, 'lowest pitch': 7.76, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '士', 'pinyin': 'shiii4', 'highest pitch': 7.87, 'lowest pitch': 6.45, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.13, 'lowest pitch': 6.45, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '医', 'pinyin': 'i1', 'highest pitch': 7.85, 'lowest pitch': 6.94, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '院', 'pinyin': 'van4', 'highest pitch': 7.8, 'lowest pitch': 6.37, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '做', 'pinyin': 'zuo4', 'highest pitch': 8.25, 'lowest pitch': 6.37, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.43, 'lowest pitch': 5.85, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '腹', 'pinyin': 'fu4', 'highest pitch': 9.02, 'lowest pitch': 6.2, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '腔', 'pinyin': 'qiang1', 'highest pitch': 8.83, 'lowest pitch': 8.45, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '镜', 'pinyin': 'jing4', 'highest pitch': 8.96, 'lowest pitch': 7.27, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 9.85, 'lowest pitch': 7.59, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '卵', 'pinyin': 'luan3', 'highest pitch': 7.61, 'lowest pitch': 4.37, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '巢', 'pinyin': 'chao2', 'highest pitch': 7.53, 'lowest pitch': 4.57, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '右', 'pinyin': 'iou4', 'highest pitch': 10.45, 'lowest pitch': 7.53, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '附', 'pinyin': 'fu4', 'highest pitch': 9.02, 'lowest pitch': 7.21, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '件', 'pinyin': 'jian4', 'highest pitch': 7.71, 'lowest pitch': 6.44, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '切', 'pinyin': 'qie1', 'highest pitch': 8.55, 'lowest pitch': 6.44, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 7.93, 'lowest pitch': 5.65, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '术', 'pinyin': 'shu4', 'highest pitch': 8.11, 'lowest pitch': 5.28, 'duration': 0.31, 'prosody hierarchy': '#4'}]