AHJ：子宫切除术不一定增加心脏病风险

与一些以前深入研究相反，一项重最初加拿大深入研究见到中的年男同性恋进行时乳腺外科手术（友或不友乳腺切除）后，肠胃疾病的安全性未飙升。这些男同性恋肠胃病的安全性未必略高于大自然绝经的男同性恋，该最初深入研究感叹。

堪萨斯城大学首席作家Karen A. Matthews及同事在一份调查结果中的写下了他们的见到，这份调查结果计划于本周在线发布于《加拿大心脏病总会杂志》。

Matthews，堪萨斯城的一位杰出的精神病学研究员和流行病学与社会心理学研究员，在一份最初闻公报中的声明，这些结果对正在回避乳腺外科手术的中的年男同性恋来感叹应该是鼓舞人心的：

“深入研究结果声称，一般来感叹大自然绝经后，乳腺外科手术后的肠胃病安全性表征水平不大可能会飙升，”Matthews感叹。

乳腺外科手术与肠胃病安全性

乳腺外科手术是一种常见的移除男同性恋乳腺的手术操纵。有时，病患者还移除乳腺，以提高乳腺癌安全性。

有时可能会相比需要进行时该操纵，比如因为结核病、乳腺下垂、树脂样肌瘤，或因为非常重的月经过多与痛经，但与此同时，和所有手术一样，仍要权衡其收入与安全性。

因为内分泌改变，在绝经从前进行时乳腺外科手术常造成了更是年期提从前。

一些以前深入研究声称乳腺外科手术提高肠胃疾病的长年安全性，而肠胃疾病是男同性恋头号黑衣人。而且他们推断，如果同时切除乳腺，该安全性将更是高。

但是该见解有缺陷，主要因为这些深入研究极端于评估乳腺外科手术与/或乳腺外科手术多年之后的肠胃病安全性，而无法将她们在手术之从前就可能会有的安全性回避回头。

深入研究者们做了什么

而在该项最初深入研究中的，Matthews及其同事随访了3,302位加拿大绝经从前男同性恋11年。这些男同性恋参加了全国男同性恋深入研究（SWAN）。

深入研究伊始，当这些男同性恋加入到SWAN时，她们42-52岁，乳腺完整，有数1个乳腺，且无法使用激素疗法。

在随访期间，每年给她们做评估。在此期间，大部分男同性恋达到大自然绝经年龄，一些进行时了乳腺外科手术友乳腺外科手术，而一些则不友乳腺外科手术。

进行时乳腺外科手术的主要缘故是树脂样肌瘤、月经过多和慢性肋骨痛。

深入研究者在乳腺外科手术从前后评估了参与者的肠胃病安全性，并将这些数据与那些大自然绝经的男同性恋再一一次月经从前后的安全性相比。

Matthews及其同事感叹，他们的深入研究是首项多民族深入研究，了进行时乳腺外科手术与大自然绝经的男同性恋的肠胃病安全性表征的每年预期改变。

见到了什么

该分析显示乳腺外科手术从前后与大自然绝经从前后肠胃安全性表征再次发生改变，在多种不同个体，乳腺外科手术者与大自然绝经者改变模式大不相同；同时，相比较改变模式显示乳腺外科手术者肠胃安全性未飙升，深入研究者们感叹。并且，此状况在所有种族组都一样。

并且，即使在修改可能会的负面影响表征——比如人体质量指数（BMI）——之后，状况仍一样。乳腺外科手术友乳腺外科手术后，BMI确实有所飙升。

缘故是什么

Mathews感叹他们未必确切为什么他们的见到与显示乳腺外科手术下降肠胃病安全性的以前深入研究多种不同。

一个缘故可能会是，他们无法将年长男同性恋划入深入研究，而更是早进行时乳腺外科手术造成了的肠胃病安全性更是高。

另一个缘故，Matthews感叹，可能会是因为该深入研究排除了因为结核病而进行时乳腺外科手术的男同性恋。

SWAN由国家老年医学深入研究组、国立卫生深入研究组、国立卫生深入研究院、男同性恋保健深入所长和可用与替代所学院共同筹划。

2011年，《内生物科学档案》杂志写道，来自纽约加利福尼亚大学的深入研究者们报道，他们见到进行时了乳腺外科手术友乳腺外科手术的男同性恋再次发生乳腺癌的安全性提高，并且再次发生其它各种类型结核病、心脏病或髋骨折的安全性未下降。

与乳腺切除相关的扩展选读：

原文选读：Hysterectomy does not increase risk of cardiovascular diseasePositive findings differ from previous studies on hysterectomy, heart disease riskHing a hysterectomy with or without ovary removal in mid-life does not increase a woman's risk of cardiovascular disease compared to women who reach natural menopause, contrary to many previously reported studies, according to research published online today in the Journal of the American College of Cardiology."Middle-aged women who are considering hysterectomy should be encouraged because our results suggest that increased levels of cardiovascular risk factors are not any more likely after hysterectomy relative to after natural menopause," said Karen A. Matthews, PhD, lead author of the study and a distinguished professor of psychiatry and professor of epidemiology and psychology at the University of Pittsburgh.Hysterectomy is the surgical removal of a woman's uterus; it is sometimes accompanied by the removal of the ovaries to decrease the risk of ovarian cancer. Hysterectomy is a common surgical procedure for women, but the benefits must be weighed against potential long-term related health consequences. Cardiovascular disease is the number one killer of women and many studies he shown increased risk of cardiovascular disease to be a health risk associated with hysterectomy, especially accompanied by ovary removal. Researchers in those studies usually evaluated cardiovascular disease risk factors years after hysterectomy and/or ovary removal and did not assess individual risk factor levels pre-surgery.For this study, investigators followed 3,302 premenopausal women between the ages of 42-52 for 11 years who were enrolled in the Study of Women's Health across the Nation (SWAN). Researchers compared cardiovascular disease risk factors in women prior to and following elective hysterectomy with or without ovary removal to the risk factors prior to and following final menstrual period in women who underwent natural menopause.This is the only multiethnic study that has tracked prospective annual changes in cardiovascular disease risk factors relative to hysterectomy or natural menopause.Investigators found that several cardiovascular disease risk factor changes differed prior to and following hysterectomy, compared to changes prior to and following a natural menopause, but those changes did not suggest an increased cardiovascular disease risk following hysterectomy, independent of body mass index, which did increase after hysterectomy with removal of ovaries. These effects were similar in all ethnic groups in the study.Dr. Matthews said it is unclear why this study's findings differed from other studies exploring hysterectomy and cardiovascular risk, but likely factors include the age of participants since hysterectomy that occurs earlier in life may present more cardiovascular risk. Also, earlier studies included women who had hysterectomy for any reason, whereas the SWAN study excluded women who had hysterectomy because of cancers. "This study will prove very reassuring to women who he undergone hysterectomy," said American College of Cardiology CardioSmart Chief Medical Expert JoAnne Foody, MD, FACC. "As with anything, if a woman is concerned about her risk for heart disease she should discuss this with her health care provider."