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目的建立行游离皮瓣重建术的颌面部恶性肿瘤手术的最大备血量目录（MSBOS），以指导临床医生合理用血以及输血科科学备血。方法收集本院颌面外科2010年1月1日~2020年12月31日围手术期患者的基本资料和输血数据，包括年龄、性别、体质量指数（BMI）、术前血红蛋白值、美国麻醉医师协会（ASA）分级、恶性肿瘤TNM分期系统中T分期、游离皮瓣是否含有骨瓣，手术方式（6类）、申请备血量以及术中用血量等，共纳入颌面外科择期手术1 953例，并通过单因素和多因素Logistic回归分析，筛选出患者围术期输血的独立危险因素，并根据危险因素建立评分标准；根据手术方式将患者分为6大组，通过评分标准进一步将每组患者分为低危、中危和高危组，计算各小组患者术中实际输血量频率的累计百分比，建立颌面外科患者的MSBOS。结果①经回归分析发现BMI、肿瘤T分期、ASA分级、术前血红蛋白（男性Hb＜130 g/L，女性＜120 g/L）、游离皮瓣含骨瓣为围术期输血的独立危险因素。②根据危险因素评分分组后发现各组患者中低危组的输血率最低，但备血输血比最高。③建立本院行游离皮瓣重建术的颌面部恶性肿瘤患者的MSBOS，分析发现建立MSBOS后患者手术前备血总量比建立前理论上可以减少54.35%。结论建立MSBOS不但有益于更科学、合理地指导手术备血，保障手术安全，而且可以优化血液库存管理，尤其对于低危组的患者应当采取保守的备血方案，有效减少过度备血的状况，节约血液资源。

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Bulletin of Soil & Water Conservation is the property of Bulletin of Soil & Water Conservation Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The coexisting regime of spin-density wave (SDW) and superconductivity in iron pnictides represents a novel ground state. We have performed high-resolution angle-resolved photoemission measurements on NaFe_{1-x}Co_{x}As (x=0.0175) in this regime and revealed its distinctive electronic structure, which provides some microscopic understandings of its behavior. The SDW signature and the superconducting gap are observed on the same bands, illustrating the intrinsic nature of the coexistence. However, because the SDW and superconductivity are manifested in different parts of the band structure, their competition is nonexclusive. Particularly, we find that the gap distribution is anisotropic and nodeless, in contrast to the isotropic superconducting gap observed in a SDW-free NaFe_{1-x}Co_{x}As (x=0.045), which puts strong constraints on theory.

Copyright of Chinese Journal of Contemporary Pediatrics is the property of Xiangya Medical Periodical Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To investigate the effect of Shang-tune music on the relief of negative emotions in patients with chronic obstructive pulmonary disease (COPD), and to analyze potential factors influencing the efficacy of the intervention. Methods A prospective research method was adopted, and totally 120 COPD patients were recruited in the study. All patients received the Shang-tune music intervention during hospital stay, and extended care with telephone was used to improve patients’ compliance with music therapy during follow-up, lasting for 12 weeks. The COPD Assessment Test(CAT) was used the assess the severity of illness. Hamilton Depression Scale(HAMD) and Hamilton Anxiety Scale(HAMA) were used to assess the emotional status of patents. A logistic regressive method was conducted to analyze the potential factors influencing the efficacy of the intervention. Results The HAMA and HAMA scores decreased after a 12-week intervention of Shang-tune music therapy(P＜0. 01). There was a significant difference in proportion of patients who diagnosed as anxious/depressive disorders before and after intervention (P＜0. 01). Logistic regression analysis showed that course of disease, extrovert personality, high education level, knowledgeable about music, family support and CAT score were factors influencing the intervention effect on relief of depression(P＜0. 05), and patients receiving Shang-tune music therapy had an odds ratio of 3. 325(95% CI: 0. 876-36. 158, P＜0. 01) for relief of depression. Logistic regression analysis showed that extrovert personality, knowledgeable about music, family support and CAT score were factors influencing the intervention effect on relief of anxiety(P＜0. 05), and patients receiving Shang-tune music therapy had an odds ratio of 2. 825(95% CI: 0. 853-32. 268, P＜0. 01) for relief of anxiety. Conclusion The Shang-tune music is effective to relieving the anxiety and depression of COPD patients. Personal characteristics, education level, knowledge about music, family support and CAT scores were potential factors influencing the implementation of Shang-tune music therapy. (目的 探讨商调音乐改善慢性阻塞性肺疾病(COPD)患者抑郁及焦虑状态的效果, 并分析可能的影响因素。方法 采用前瞻性研究方法, 收集医院2019年1月—2021年7月呼吸中心住院的COPD患者120例, 住院期间给予商调音乐干预, 出院后采用定期电话回访方式督促其坚持音乐疗法, 干预12周为1个疗程。收集患者一般资料, 并采用慢性阻塞性肺病评估测试(CAT)来评价患者疾病严重程度, 同时采用汉密尔顿抑郁量表-17项(HAMD)、汉密尔顿焦虑量表(HAMA)来评价患者抑郁及焦虑状态改善情况, 最后采用logistic回归分析评价商调音乐干预效果的影响因素。结果 干预后, 患者HAMD评分和HAMA评分较干预前下降, 差异有统计学意义(P＜0. 01); 干预前后抑郁症、焦虑症占比, 差异具有统计学意义(P＜0. 01)。Logistic回归分析显示: 影响商调音乐对抑郁情绪改善效果的因素包括: 病程、性格(外向)、文化程度(高中以上)、音乐知识(丰富)、家庭支持及CAT评分(P＜0. 05), 商调音乐对抑郁情绪改善的OR为3. 325(95% CI: 0. 876-36. 158, P＜0. 01)。影响商调音乐对焦虑情绪改善效果的因素包括: 性格(外向)、音乐知识(丰富)、家庭支持及CAT评分(P＜0. 05), 商调音乐对焦虑情绪改善的OR值为2. 825(95% CI: 0. 853-32. 268, P＜0. 01)。结论 商调音乐能有效缓解COPD患者抑郁、焦虑等负面情绪, 性格、音乐知识、家庭支持及CAT评分为影响商调音乐干预效果的因素。)