熱水浴浸泡及其他熱療方式的應用已成為休閒領域的熱門營業項目。本研究旨在探討比較熱水浴(41℃)和常溫水浴(36℃)浸泡對心血管及核心體溫變化之影響。實驗對象為健康大學生，男性有6位，女性10位，共計16人。研究實施之水浴浸泡時間為15分鐘，檢測項目包括口溫(表示核心體溫)、心跳速率、心收縮壓和心舒張壓。結果顯示，36℃常溫水浴浸泡15分鐘後之對照組，其心舒張壓從74.4±1.536mmHg降低至64. ±1.145mmHg，而其他參數則無明顯變化。相對地，41℃熱水浴浸泡組之心收縮壓最大變化從118.5±2.621mmHg降低至106.5±1.258mmHg，且心舒張壓最大變化從77.3±1.995mmHg降低至57.5±0.477mmHg，兩者呈現明顯降低現象。反之，
心跳速率最大變化從72.5±1.821 beats/min增加至127.0±2.547beats/min，且核心體溫最大變化從36.96土0.048℃增加到38.62土0.036℃，兩者呈現增加趨勢。綜合結果顯示，41℃熱水浴浸泡導致核心體溫的升高並伴隨著周邊血管的擴張作用，可能是造成心血管系統功能的一過度負荷之不良因素。本研究建議，提供浸泡之熱水浴溫度最好不要超過40℃，且應留意熱水浴浸泡後伴隨之姿態性低血壓對顧客安全的影響。 熱水浴浸泡及其他熱療方式的應用已成為休閒領域的熱門營業項目。本研究旨在探討比較熱水浴(41℃)和常溫水浴(36℃)浸泡對心血管及核心體溫變化之影響。實驗對象為健康大學生，男性有6位，女性10位，共計16人。研究實施之水浴浸泡時間為15分鐘，檢測項目包括口溫(表示核心體溫)、心跳速率、心收縮壓和心舒張壓。結果顯示，36℃常溫水浴浸泡15分鐘後之對照組，其心舒張壓從 74.4±1.536 mmHg 降低至 64.0±1.145 mmHg，而其他參數則無明顯變化。相對地，41℃熱水浴浸泡組之心收縮壓最大變化從 118.5±2.621 mmHg降低至106.5±1.258 mmHg，且心舒張壓最大變化從 77.3±1.995 mmHg 降低至 57.5±0.477 mmHg，兩者呈現明顯降低現象。反之，心跳速率最大變化從 72.5±1.821 beats/min 增加至 127.0±2.547 beats/min，且核心體溫最大變化從36.96±0.048 ℃ 增加到 38.62±0.036 ℃，兩者呈現增加趨勢。綜合結果顯示，41℃熱水浴浸泡導致核心體溫的升高並伴隨著周邊血管的擴張作用，可能是造成心血管系統功能的一過度負荷之不良因素。本研究建議，提供浸泡之熱水浴溫度最好不要超過40℃，且應留意熱水浴浸泡後伴隨之姿態性低血壓對顧客安全的影響。 Hot water immersion and other heat application have become popular methods of recreation. This study was designed to determine human cardiovascular responses to a 15-min bath at hot water immersion at 41 ℃ compared with a thermoneutral water immersion at 36 ℃. The oral temperature(OT, represented core temperature) , heart rate (HR), systolic blood pressure (SBP), and diastolic blood pressure (DBP) were measured in 10 healthy young females and 6 healthy young males immersion at two different water temperatures 36 ℃ and 41 ℃. Fifteen minutes after the thermoneutral water immersion, the DBPwas tended to decrease (from 74.4±1.536 mmHg to 64.0±1.145 mmHg), but all other variables were showed no significant change. The maximal changes after entering the 41 ℃ water immersion, the SBP (from 118.5±2.621 mmHg to 106.5±1.258 mmHg) and DBP (from 77.3±1.995 mmHg to 57.5±0.477 mmHg) were decreased while HR (from 72.5±1.821 beats/min to 127.0±2.547 beats/min ) and OT (from 36.96±0.048 ℃ to 38.62±0.036 ℃) was increased. We conclude that bathing at 41 ℃ more than 15 min may induce remarkable enhancement in core body temperature and the cardiovascular system. These results suggest that hyperthermia vasodilatation induced by immersion in above 40 ℃ hot water may become a risk factor to imbalance the cardiovascular system and may induce the postural hypotension when standing to exit the bathing tub.
