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■心臟專科醫生李沛然(右)為許健深(左)量度腰圍，證實他是中央肥胖。 本報記者李見安 攝
春生 資深翻譯員
【本報訊】「大肚腩」是中央肥胖的警號。有醫生指出，不少人錯把「褲圍當腰圍」，忽視減肚腩的警覺性。
一項調查亦發現，每10名心臟病患者便有3人屬於中央肥胖，雖逾7成聲稱有著意改善腰圍，但只有四分一人見效。醫生表示，要預防中央肥胖，必須持之以恆做運動，並應定期以正確方法量度腰圍。
63歲的許健深自2002年起心臟病發後，每餐只吃一碗飯，並定時做運動。他說，一直是買34吋腰的褲子，但經醫生量度下，才知悉真正腰圍是41吋，並證實有中央肥胖問題。他稱：「我都覺得好驚訝。」
心臟專科醫生李沛然表示，「應量度胸骨及盆骨中間位置。」他說，亞洲男性腰圍超過34.6吋、女性腰圍超過31.5吋即屬中央肥胖。今年7月國際中央肥胖調查報告指出，本港目前約37%男性及42%女性是中央肥胖，情況令人擔心。
李沛然解釋，中央肥胖者容易出現代謝綜合症，因積存在腹腔的脂肪包圍體內多個重要器官，脂肪所釋放的有害化學物質可影響新陳代謝及胰島素抗阻性，因此中央肥胖者較一般人患上心臟病、血脂異常、高血壓、糖尿病等機會為高。
Doctors: Watch your waist, not trousers !
“Pot belly” is widely recognized as a warning sign for mid-section obesity, but some doctors have pointed out that many people mistakenly take the waist measurements of their trousers as those of their physical girths and unknowingly subject themselves to the threat posed by midsection obesity.
A recent survey revealed three out of every ten heart disease patients had oversized middle area and only a quarter of them had benefited from fat-reducing measures, though over 70 percent of them said they were watching their waist (weight). Doctors say one must commit themselves to regular exercise and correct way of measuring waist line in order to prevent midsection obesity.
Sixty-three year-old Hui Kin-shum said he had slicked to one bowl of rice each meal and regular exercise since he had a heart attack in 2003. And he always thought his physical waist was 34 inches because that was the measurement of his pants until his doctor told him it was actually 41 inches. “I was shocked”, he admitted.
Dr. Lee Pui-yin, a cardiologist, said noting the right way to measure one’s waist circumference is at the middle point between one’s ribcage and pelvis, he said normally a waist girth of 34.6 inches or more means over-sized midsection for Asian men and 31.5 inches for their female counterparts. He said he was very concerned that 37 percent of men and 42 percent of women in Hong Kong are certified with midsection obesity, as an international survey of midsection obesity published in July indicates.
He furthered explained that people with midsection obesity are more likely to develop metabolic syndrome, a condition where one's important internal organs are wrapped up by too much fat, which impedes normal metabolism by releasing toxic substances into the blood stream. That is why people with midsection obesity are more likely to develop heart conditions, hyperlipidemia (too much fat in the blood), hypertension and diabetes than normal people.
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