睡眠呼吸障害に対する短期減量プログラムの有用性

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A number of studies have shown that sleep disordered breathing (SDB) has a strong relation with obesity. The purpose of this study was to examine the effect of a short-term weight-loss program in obese men with SDB. In our 14-week weight-loss program, forty-one obese men (mean±SD, age; 49.6±10.8yr, body mass index; 27.9±2.5kg/m^2) were assigned to 2 subgroups : diet only (DO; n=19) and diet plus aerobic exercise (DE; n=22). 2%, 3%, and 4% oxygen desaturation index (ODI) were measured by pulse oximetry before and after the weight-loss program. Weight and %fat significantly (p<0.05) decreased in the total subject pool consisting of DO plus DE (weight; -8.4±3.5kg, %fat; -7.5±3.5%). 2%, 3%, and 4% ODI significantly decreased by -3.46±5.01 event/hour, -2.37±3.57 event/hour, and -1.99±2.84 event/hour, respectively. Significant correlations were found between 2%, 3%, and 4% ODI at baseline and changes of 2%, 3%, and 4% ODI during the weight-loss program (2% ODI; r=0.48, 3% ODI; r=0.51, 4% ODI; r=0.67). Weight loss and %fat loss did not differ significantly between DO and DE (DO : -7.6±3.2kg, -6.8±3.2%, DE : -9.2±3.7kg, -8.1±3.7%). The increase in maximal oxygen uptake was slightly larger for DE (4.7±4.6ml/kg/min) compared to DO (2.5±3.3ml/kg/min), but there was no significant interaction. Changes of 2%, 3%, and 4% ODI did not differ significantly between groups. These results suggest that for obese men with SDB, the weight-loss program is an effective method, leading to improvement in SDB, although the combination of aerobic exercise to diet may not produce additional effects to SDB, compared with the diet only.
日本体力医学会の論文
2005-08-01

睡眠呼吸障害に対する短期減量プログラムの有用性

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