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題 名 | Respiratory Mechanics Before and after Hemodialysis in Mechanically Ventilated Patients=血液透析對使用呼吸器病人呼吸動力之影響 |
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作 者 | 陳昌文; 李政宏; 張漢煜; 薛尊仁; 宋俊明; 黃建鐘; | 書刊名 | 臺灣醫學會雜誌 |
卷 期 | 97:4 1998.04[民87.04] |
頁 次 | 頁271-277 |
分類號 | 415.816 |
關鍵詞 | 血液透析; 呼吸器病人; 呼吸動力; Interrupter resistance; Hemodialysis; Static compliance; Mechanical ventilation; |
語 文 | 英文(English) |
英文摘要 | Hemodialysis, which leads to negative fluid balance, is often required in mechanically ventilated patients with renal failure. We conducted a prospective study on the influence of hemodialysis on the respiratory mechanics in 14 mechanically ventilated patients (10 men, 4 women, mean age 70.1±8.1 yr) with various causes of renal failure requiring hemodialysis in an intensive care unit. Respiratory mechanics were measured before and after hemodialysis using the interrupter technique under constant flow and constant volume. The values of several parameters of respiratory mechanics were significantly lower after hemodialysis: peak airway pressure (26.97±4.62 vs 23.45±4.13 cm H□ O), airway pressure at zero flow (23.81±4.18 vs 21.50±3.79 cm H□O), airway plateau pressure (18.56±3.70 vs 16.48±3.07 cm H□O), and intrinsic positive end-expiratory pressure (4.03±2.90 vs 2.65±1.84 cm H□O). Minimal respiratory resistance and maximal respiratory resistance were significantly decreased after hemodialysis (4.38±1.26 vs 2.99± 1.00 cm H□O/L/s and 9.93±2.50 vs 8.39±2.43 cm H□O/L/s, respectively), but effective additional respiratory resistance and static respiratory compliance were not. Significant correlations were found between body weight reduction by hemodialysis and changes in minimal respiratory resistance (r = 0.758, p <0.01), maximal respiratory resistance (r = 0.544, p<0.05), and static respiratory compliance (r = 0.703, p < 0.01). We conclude that hemodialysis significantly alters the respiratory mechanics in mechanically ventilated renal failure patients and that the alteration may be related to the negative fluid balance caused by hemodialysis. |
本系統中英文摘要資訊取自各篇刊載內容。