既往的

Computed tomography of abdomen showed exchanged position of the superior mesenteric artery and the superior mesenteric vein. Under suspicion of intestinal obstruction, an exploratory laparotomy was performed, which confirmed the anomalous position of the colon at the right side of the abdominal cavity. Although usually an incidental finding, it is important to diagnose such a malrotation because it may cause acute abdominal symptoms.

手术探查证实肠回转不全和大肠集中在右腹腔；查阅文献记载，既往相类同的病例报告，都是意外发现居多，肠回转不全症在老人症状病徵表现，可能因并发肠阻塞，引起急性腹痛合并症，避免肠系缺血坏死，所以尽早手术治疗有其必要性。

Methods 38 cases taking ASA in 2 months were selected as bleeding group and they all had different degrees of symptoms including hematemesis、melena or positive occult blood of stool;30 cases taking the same drug without the sign of gastrointestinal bleeding were recouited as control group.The indexes were compared,including the change of hemodynamics、the occur rates of ASA related dyspepsia symptoms、 peptic ulcer or bleeding history and positive rates of H.

选择服用ASA在服药2月内出现呕血、黑便或大便隐血阳性的患者38例；对照组为30例服用相同制剂无消化道出血征象患者，比较两组患者血液流变学变化、药物致消化不良症状发生率、既往消化性溃疡病史及幽门螺杆菌阳性率等指标。

Previous studies have shown that searching for a precancerous cervical lesion called cervical intraepithelial neoplasma using an HPV test is more sensitive but has more false-positives than conventional Pap smears, where doctors look for abnormal cells on a slide.

既往研究显示使用HPB检测癌前宫颈病变-上皮内新生物－方面更加敏感，但是假阳性比传统的Pap斑点法要高，医生使用该方法在切片上寻找异常细胞。

However, previous research has shown that depression in patients with diabetes is associated with poor self-care, low physical activity, unhealthy diet, medication nonadherence, and missed appointments, as well as hyperglycemia, smoking, and obesity, she said.

而既往研究发现，患有抑郁症的糖尿病患者往往自我保健意识差、锻炼少、饮食不健康、服药依从性差并失诊，而且有高血糖、吸烟和肥胖等问题。

Past and family histories were noncontributory.

既往史和家庭史也不能表明此病的病因。

RESULTS: Nonperforated appendicitis rates decreased between 1970 and 1995 but increased thereafter.

而附带阑尾切除在既往较频发生的十年后已经很少施行。

Nontreatment seekers were less likely to have higher depression symptoms than ex-smokers.

与既往吸烟者相比，未寻求戒烟治疗者发生抑郁的可能性较小。

The visual function of the preliminary tubercular patients was detected with automated static perimetry before taking anti-tubercle medicine and after one month.

随机选择既往无眼病史的初发结核病患者，在其药物治疗前以及服药后1个月分别进行全自动静态视野检查；随机选择健康人做对照组，间隔1个月分别进行全自动静态视野检查。

She reported no previous history of neck pain or upper-extremity radicular symptoms.

患者自诉既往无颈痛或上肢的神经根症状。

She reported no preious history of neck pain or upper-extremity radicular symptoms.

患者自诉既往无颈痛或上肢的神经根症状。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。