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<正> 近来通过对某工厂40岁以上1842人以及40岁以下200人进行冠心病普查。其中有选择地对631例进行了心电图负荷试验,并在运动前后记录V_1导联时将增益放大至1毫伏=20毫米,以便观察PV_1终末电势的改变,部分病例做了心得安试验;左心室收缩时间间期测定,超声心动图检查以及血清抗心肌抗体检查等,试图探讨几项检查对冠心病早期诊断的意义,现分述如下:一、心得安试验对冠心病鉴别诊断价值的 相似文献
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Zheng Xiao-lian郑笑莲 Qian Xue-xian钱学贤 Li Lan-sun李兰荪and Jia Guo-liang贾国良First Affiliated Hospital the Fourth Militar'y Medical Col l ege Xian 《中华医学杂志(英文版)》1984,97(7):495-499
74 patients undergoing mitral valve replacement
with porcine heterograft were followed up. Before
operation, 49 patients were in cardiac function
Class III, and 25 in Oass IV. Five patients (6.8%)
died during the perioperative period. Of the sur.
vivors, 64 were folfowed up for more than 3 months
and 3 for 4 years, averaging 24 months. Cardiac
function was improved to Class I in 40 patients,
Oass II in 23, and Class III in l. The mean value
of cardiothoracic ratio before and after operation
was 0.64+0.0,662 and 0.55+0.0,543 respectively
(p<0.001). In 14 patients examined with two.dimen-
sional echocardiography preoperatively and l t0 3
months postoperatively, reduction in size of the left
atrium was more significant than that of the left
ventricle. Nevertheless, the size of the right atrium
and ventricle and the ejection fraction remained
unchanged. Five patients underwent cardiac cathe-
terization before and 3 t0 5 months after operation.
Their pulmonary capillary wedge pressure declined
to normal, and the pressure and resistance of the
pulmonary artery and the cardiac index were also
improved. Thus, all-round judgement on the thera-
peutic effect of valve replacement should be made.
As to the cardioversion of atrial fibrillation, our
paiients were compared with those who underwent
mitral valvulotomy and those who did not undergo
any operations in our hospital. The successful rate
of cardioversion was similar to that of the latter
two groups, but the recurrence rate was much lower
than that of the two groups. The mechanisms of
above findings are discussed. 相似文献
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本文报道我院1982年~1992年选择性冠状动脉造影600例的X线征象。右、左冠脉优势型及均衡型分别为332例(73.7%)、77例(17%)及44例(9.7%)。冠心病547例冠脉受累共963支,其中LM、LAD、D_1、LCX及RCA分别为50支(5.2%)、369支(38.3%)、80支(8.3%)、210支(21.8%)及254支(26.4%)。冠脉狭窄程度和支数与年龄有密切相关性。左室造影显示的左心射血分数(LVEF)与冠脉狭窄程度及是否合并室壁瘤有明显关系。狭窄严重合并室壁瘤者左室射血分数明显下降,与无室壁瘤相比P<0.01。 相似文献
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我院胸外科从1978年11月至81年3月,用戊二醛处理异种(猪)心瓣膜进行二尖辦置换术共31例,除2例应用进口Hancock瓣外,均用自制生物瓣,现根据临床资料结合文献复习,对手术病例的选择,术后并发症的处理及疗效与随访情况等,进行初步分析。 相似文献
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<正> 自1886年Wilhelm Ebstein 首次描述了三尖瓣下移畸形以来,直到1950年由Engle 和Reynolds 提出从临床症状作出诊断,此后陆续有大组病例报道从而引起人们重视。本文10例住院病人,均进行了详细病史记录,体格检查,心电图,胸片,9例做了超声心脏扇形扫描,8例进行右心导管(7例同时造影)检查,4例得到手术证实。 相似文献