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目的：探讨营养不良慢性阻塞性肺病（ＭＮＣＯＰＤ）患者营养支持的方案、方法及对呼吸肌张力的影响。方法：ＭＮＣＯＰＤ患者３０例，按营养支持的方法分为２组。Ａ组（营养膳加静脉营养）１５例，Ｂ组（营养膳）１５例。每天总热量供应为静息能量消耗（ＲＥＥ）×１．５，Ａ组４０％由静脉补给。治疗前及１周后作ＲＥＥ、最大吸气压（ＰＩｍａｘ）和最大呼气压（ＰＥｍａｘ）测定。结果：两组ＲＥＥ均较预计值高２８％～３８％。Ａ组治疗后脂肪供能率较治疗前降低；ＰＩｍａｘ较治疗前增加（Ｐ＜０．０５）。结论：短期静脉营养支持使三大营养素消耗的供能率趋于合理，呼吸肌张力增加。
Objective: To investigate the nutritional support of patients with malnutrition chronic obstructive pulmonary disease (MNCOPD) in patients with programs, methods and effects on respiratory muscle tension. Methods: Thirty patients with MNCOPD were divided into two groups according to nutritional support. A group (nutrition diet plus intravenous nutrition) 15 cases, B group (nutrition diet) 15 cases. The total daily caloric supply was Rest Energy Consumption (REE) × 1.5, with 40% of Group A being recharged intravenously. Before treatment and after 1 week for REE, maximum inspiratory pressure (PImax) and maximum expiratory pressure (PEmax) determination. Results: The REE of both groups was 28% ~ 38% higher than the predicted value. The energy supply of fat in group A was lower than that before treatment, and PImax was higher than that before treatment (P <0.05). CONCLUSION: Short-term intravenous nutritional support tends to rationalize the energy supplied by the three major nutrients and increase respiratory muscle tone.