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WASHINGTON, April 11 (Xinhua) -- Taking a statin before having major elective surgery reduces potentially serious kidney complications, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology.Each year, more than 230 million major elective surgeries are performed around the world. Unfortunately, many patients who undergo major operations develop kidney injury soon after surgery, often due to decreased blood flow to the kidneys and/or the effects of inflammation.Animal studies suggest that the cholesterol-lowering drugs called statins protect the kidneys from such damage, but whether a similar benefit occurs in humans is uncertain. To investigate, Amber Molnar, University of Western Ontario, and colleagues conducted a population-based retrospective study of all older patients who underwent major elective surgery in the province of Ontario, Canada from 1995 to 2008. Surgeries included cardiac, thoracic, vascular, intra-abdominal, and retroperitoneal procedures.A total of 213,347 patients from 211 hospitals underwent major elective surgery, and 4,020 patients (1.9 percent) developed postoperative kidney injury within two weeks of surgery. A total of 1,173 patients (0.5 percent) required dialysis within two weeks of surgery, and 5,974 patients (2.8 percent) died within a month of surgery.Prior to surgery, 67,941 patients (32 percent) were taking a statin. Patients taking a statin were 20 percent less likely to develop kidney injury, need dialysis, and die compared to patients who were not taking a statin. Also, there was evidence of a dose-effect, with patients on higher potency statins having less kidney injury. In addition, statins were beneficial whether they were started greater than 90 days or less than 30 days prior to surgery."Our study suggests that statin use in older persons results in less kidney injury following major elective surgery and reduces the risk of premature death after surgery," said Molnar, adding that the results warrant further investigation with more rigorous studies, but such trials will be difficult to carry out.

MOHE, Heilongjiang, Feb. 3 (Xinhua) -- Some 1.318 million tonnes of crude oil had flowed through an oil pipeline from Russia's far-east to China by Jan. 31, a month after the pipeline began operating, an officer of the Chinese operator of the pipeline said.The pipeline, which originates in the Russian town of Skovorodino in the far-eastern Amur region, enters China at Mohe and terminates at Daqing City of northeast China's Heilongjiang Province.The facility withstood the test of the severe coldness since it was put into operation on Jan. 1 and no production accident has been reported so far, said Gou Hanghai, director of the Mohe administration station of the pipeline.The pipeline remains a daily oil delivering capacity of 42,000 tonnes, he saidThe 1,000-km-long pipeline will transport 15 million tonnes of crude oil from Russia to China per year from 2011 to 2030, according to an agreement signed between the two countries.Some 72 kilometers of the pipeline is in Russia and 927 kilometers of it is in China.

TOKYO, March 20 (Xinhua) -- Traces of radioactive iodine had been detected in Tokyo and the surrounding Kanto region, according to the results of an investigation of radioactivity in precipitation and dust conducted by the government, local media reported on Sunday.Radioactive iodine was found in Tokyo, Saitama, Chiba, Yamanashi, Tochigi and Gunma prefectures, the Kyodo News said, citing the Ministry of Education, Culture, Sports, Science and Technology. The ministry added that the levels detected in the investigation alone would not affect human health.An employee of Yamagata city office holds a Geiger counter to detect radiation when evacuees from the vicinity of Fukushima nuclear plant wish to be screened upon their arrival at an evacuation centre set in a gymnasium in Yamagata, northern Japan March 19, 2011, eight days after Japan's devastating earthquake and tsunami.The investigation was carried out following the nuclear crisis at the Fukushima Daiichi nuclear power plant, the government said Sunday.The ministry said that a separate research has already shown that radioactive materials in the air and tap water in Tokyo and the five prefectures pose no threat to human health, according to Kyodo News report.

BEIJING, Feb. 5 (Xinhua) - Beijing has seen the arrival of 660,000 tourists during the first three days of the Spring Festival holiday, from Feb. 2 to 4, said Beijing Municipal Bureau of Tourism officials late Friday.The tourism data was collected at the city' s 22 scenic spots.On February 4, official statistics showed that 40,000 tourists swarmed into the Palace Museum, repeating the number from last year' s national holiday, while about 14,500 ski-lovers enjoyed their time at 14 ski resorts in Beijing on the same day.Not only scenic spots, tourists also gravitated to some cultural venues in Beijing.The Beijing-based National Art Museum of China holds an exhibition on "donated masterpieces over the past 50 years (since its completion in 1952)" from Jan. 27 to Feb. 26 and spectators can visit, free of charge, during the Spring Festival holiday (between Feb. 3 and 9).On February 5, visitors queued up in a 200-meter long line waiting for check-in to the museum around 10 a.m.Wang Xiumei, 86, decided to visit the museum with her daughter ten days before."My husband and I were crazy about traditional Chinese paintings decades ago, I have to see some masterpieces today, rather than hearing about them later." Wang said.Hundreds of the nation' s art works are displayed in a dozen halls in the five-storey exhibition area, including oil paintings, ink paintings, wood block prints, shadow puppets, paper cuttings, clay sculptures and embroideries."I changed my mind and got off the bus on my way to a temple fair. My children and I want to see some elegant art works, as opposed to eating and playing during Spring Festival as before," said another citizen named Lu Hongmao.Big cities like Beijing, Shanghai and Guangzhou opened their sports venues to the public during the Spring Festival holiday.

JOHANNESBURG, March 23 (Xinhua) -- Cervical cancer ranks as the second most frequent cancer among women in South Africa.Recent information from a World Health Organization (WHO) and ICO Information Center on Human Papilloma virus (HPV) and Cervical Cancer 2010 report shows that 16.84 million South African women aged 15 years and older are at risk of developing cervical cancer.Current estimates indicate that every year 5,743 women are diagnosed with cervical cancer and more than 3,000 die from the disease.About 21 percent of women in the general South African population are estimated to harbor cervical HPV infection at any given time, and 62.8 percent of invasive cervical cancers are attributed to HPV subtypes 16 or 18."Concern is growing as there appears to be an increasing epidemic of papillomavirus-induced disease involving not only the cervix but elsewhere in the female genital tract and anogenital region," said Professor Martin Hale, head of the Department of Anatomical Pathology at the University of the Witwatersrand (Wits) in Johannesburg and the National Health Laboratory Service.The South African population and people from Africa in general have high incidences of the HPV subtypes 16 or 18 according to Professor Hale. He is not entirely sure why but is of the opinion that the infection rate can be lowered."The common theory is that HPV is transmitted through sexual intercourse. If treated like a sexual disease and the necessary precautions are taken during sex the infection rate can be lowered, " Hale told Xinhua in an interview on Wednesday.HPV is also exacerbated as a result of the HIV pandemic and cause a rapid progression of premalignant dysplasia to invasive cancer in HIV positive patients.Hale believes the limited access to information and resources make it easy for the condition to thrive.However, according to Hale, a debate is still raging on how, to whom and whether the vaccine should be administered.Black women are at higher risk of contracting HPV and subsequent cervical cancer. Other risk factors that increase susceptibility include age of first intercourse, the number of children per woman, and a weakened immune system, to name a few."To avoid getting cervical cancer get the vaccine against HPV 16 and 18 infection before starting to be sexually active, have protected sex and go for regular screenings," he told Xinhua.