影像学分型与急性脑梗死患者认知功能关系的研究

目的探讨影像学分型与急性脑梗死患者认知功能关系。方法对136例急性大脑梗死患者于发病后24～72h内行颅脑MRI检查确定梗死部位、测量病灶大小并作出影像学分型，于发病1周内，在患者床前采用简易精神状态检查法（mini—mentalstate examination，MMSE），检测患者的认知功能，并同步进行事件相关电位P300的检测，判断患者认知功能的情况，对比分析应用MRI进行的影像学分型与认知功能关系。结果额叶、颞叶脑梗死患者的MMSE和WAIS—RC评分明显低于顶枕叶和基底节区梗死患者，P300潜伏时明显长于顶枕叶和基底节区梗死的患者，但其P300波幅低于顶枕叶和基底节区梗死的惠者；中梗死和多发性梗死患者的MMSE和WAIS—RC评分明显低于顶枕叶和基底节区梗死患者，B300潜伏时明显长于顶枕叶和基底节区梗死的患者，但其P300波幅低于顶枕叶和基底节区梗死的患者。结论影像学分型与急性脑梗死患者认知功能有相关性。     

Early and mid–term results of the Shelhigh stentless bioprosthesis in patients with active infective endocarditis

Summary Aims This study investigated the early and mid–term results following valve replacement with the new Shelhigh^? stentless bioprosthesis made entirely of biological material in patients with active infective endocarditis (AIE). Material and methods Between 02/2000 and 12/2004, 164 patients (n = 122 men, mean age 59, 18–85 years) received implantation of an AIE Shelhigh^? stentless bioprosthesis in the aortic, mitral, tricuspid or pulmonary position. A total of 119 patients (72.6%) had native AIE and 45 (27.4%) prosthetic AIE. A large proportion of the patients reached the operating room in a condition of cardiac decompensation: 37 (22.6%) patients were intubated, 40 (24.4%) had protracted septic shock and 41 (25.0%) required intensive catecholamine treatment. Surgery was regarded as urgent in 94 patients (57.4%) and was performed as an emergency procedure in 70 (42.6%). The mean follow–up time is 1.5 ± 0.11 years (range, 5 months to 5.2 years). Echocardiographic follow–up examinations were performed early postoperatively and after 12 months. Results In terms of the operative indication, we found a highly significant difference in the survival rate between patients who were operated on urgently vs in an emergency. In patients who died within 30 days, the main cause of death was septic multiorgan failure (67.6%). Only three patients required reoperation due to reinfection of the Shelhigh^? bioprostheses; this represents a reinfection rate of 1.8% in relation to the whole cohort. The postoperative echocardiographic examinations showed the Shelhigh^? valves to have very good hemodynamics without relevant pressure gradients. Conclusion Our experience in the use of Shelhigh^? bioprostheses in patients with native and prosthetic endocarditis show the early and mid–term results, in particular the low reinfection rate and the good hemodynamics, to be comparable with the results achieved using homografts. Since these prostheses are readily available and their implantation straightforward, they are increasingly being used in patients with endocarditis. These promising results need to verified in the long term. This paper was presented at a lecture held at the 71^st annual meeting of the German Society for Cardiology, Mannheim, 31. March—2. April 2005. Disclosure Form: The following study discloses my relationship with any corporate sponsor that might relate in some way to the subject presented.     

1995-2004年住院病人死亡病例统计分析

本文通过对我院1995-2004年住院病人死亡病例进行回顾性调查分析,了解我院近10年死亡原因及其变化趋势,力求对提高医院诊疗技术水平,降低死亡率,提出合理化建议.     

Surgical therapy in patients with active infective endocarditis: seven-year single centre experience in a subgroup of 255 patients treated with the Shelhigh stentless bioprosthesis

OBJECTIVE: We investigated outcomes after surgical therapy in patients with active infective endocarditis (AIE) with regard to survival in relation to surgical urgency, valve position, number of valves implanted and abscess formation. We aimed to identify independent risk factors for early mortality. METHODS AND RESULTS: Two hundred and fifty-five patients received Shelhigh bioprostheses between February 2000 and March 2007. A total of 74.1% had native and 25.9% prosthetic AIE. Surgery was regarded as urgent in 57.3% and as an emergency procedure in 38.4%. There was a highly significant difference in survival rate between patients who were operated on urgently versus in an emergency (p<0.0001), between single and double valve replacement (p=0.0206) and between patients with and without abscess formation (p=0.0245). There were two cases of early reinfection (0.78%) and six of late reinfection (2.35%) leading to re-operation. CONCLUSIONS: The survival of patients differs significantly in dependence on their surgical urgency. Better outcome could have been achieved if patients had been referred earlier for surgery and operated upon before heart failure or septic shock developed. Long-term survival was better in patients without abscess formation. The low reinfection rate of Shelhigh bioprostheses in AIE is promising and the early and mid-term results achieved need to be verified in the long-term course.     

新辅助化疗对结直肠癌的作用

目的探讨短程5-FU/CF方案新辅助化疗对结直肠癌细胞凋亡、增殖和p53表达以及术后并发症和预后的影响。方法分别采用脱氧核糖核苷酸末端转移酶介导的缺口末端标记法（TUNEL）和免疫组化SP法检测68例患者结直肠癌组织的细胞凋亡指数（AI）和ki-67增殖指数（PI）及凋亡相关基因p53的表达,并比较新辅助化疗组和对照组患者术后并发症的发生情况和预后情况。结果新辅助化疗组肿瘤细胞的AI均数为3.56%,明高于对照组的2.29%（P〈0.01）,PI均数为22.60%明显低于对照组的33.60%（P〈0.01）,p53阳性表达率为28.9%（11/38）明显低于对照组的56.7%（17/30）（P〈0.05）。两组中大肠癌细胞的AI与PI均呈负相关（r=-0.790,r=-0.663）（P〈0.01）。两组术后并发症的发生差异无显著性（P〈0.05）。两组的复发转移率和复发转移平均时间差异有显著性（P〈0.05）。结论短程5-FU/CF方案新辅助化疗可以显著诱导结直肠癌细胞凋亡,并抑制其增殖;降低结直肠癌组织p53的阳性表达率,而不增加术后并发症的发生,能延缓和减少结直肠癌术后的复发转移。     

Coronary atherosclerosis of the donor heart--impact on early graft failure.

OBJECTIVE: Due to the shortage of donor hearts, the criteria for organ acceptability have been considerably extended and donor grafts with coronary atherosclerosis are among those offered. This study evaluated whether and to what degree pre-existing coronary atherosclerosis may be acceptable. METHODS: A total of 1253 consecutive HTx recipients were investigated retrospectively for donor-transmitted coronary atherosclerosis (DCAS). Donor-transmitted coronary atherosclerosis was defined as focal atherosclerosis with stenosis of at least 50%. Inclusion criteria were absence of pre-HTx angiogram but performance of angiogram or autopsy within 6 months after heart transplantation. Kaplan-Meier analysis and log-rank test were used. RESULTS: Eighty-five out of 1253 (6.8%) cases were excluded, since coronary evaluation was not performed within 6 months (n=45) or hearts had undergone pre-transplant angiography (n=40). In 1086 patients no donor-transmitted coronary atherosclerosis was found (NDCAS group) and in 82 patients (7%) donor-transmitted coronary atherosclerosis was diagnosed by angiography (n=49) or autopsy (n=33). Single-vessel donor-transmitted coronary atherosclerosis was found in 53/82 patients (DCAS1 group) and double- or triple-vessel donor-transmitted coronary atherosclerosis in 26/82 patients (DCAS2/3 group). Three of the 82 patients with donor-transmitted coronary atherosclerosis were excluded since the autopsy report was unclear regarding degree of atherosclerosis. Early after heart transplantation the 30-day mortality in the NDCAS and DCAS1 groups was 12.2% versus 13.2% whereas in the DCAS2/3 group it was 61.5%. Beyond the first year the annual decrease with and without donor-transmitted coronary atherosclerosis (single-vessel disease) is comparable. CONCLUSIONS: Donor screening without coronary angiogram overlooks significant atherosclerotic lesions in a considerable number of cases (7.0%). Therefore, angiographic donor screening should be performed. Donor grafts with single-vessel coronary atherosclerosis may be accepted as marginal hearts; however, in our opinion, revascularisation (CABG, PTCA) should be considered. Grafts with two- or even three-vessel coronary atherosclerosis seem to have a serious risk for early graft failure. Beyond the first year the outcome of healthy grafts and grafts with donor-transmitted coronary atherosclerosis seems to be comparable.     

危重新生儿血糖、胰岛素及皮质醇的初步研究

本文通过对３８例危重新生儿血糖、胰岛素及皮质醇的研究，发现在危重新生儿组血糖与皮质醇的均植高于对照组（分别为Ｐ＜０．０５与Ｐ＜０．０１），且危重新生儿组高血糖的发生率（３４．２％）也明显高于对照组（６％），而血胰岛素在各组之间无显著差异（Ｐ＞０．０５），研究表明危重新生儿易发生高血糖，其发生的机理与血皮质醇的升高及新生儿胰β细胞功能不良有关。     

Traumatic eyelid invagination: case reports

Three rare cases of upper eyelid trauma are presented. In high-speed traffic accidents, the upper eyelids were penetrated by glass, avulsed, and then, together with pieces of glass, pushed over the globe and buried deeply in the retrobulbar area. The invaginated eyelids were pulled out gently, the conjunctiva still attached to the globes. They were repaired primarily. In these patients eyelid function and cosmesis were preserved.     

短潜期体感诱发电位及其临床意义

本文测试了40例健康成人(男女各半)刺激腕正中神经和踝部胫后神经的短潜期体感诱发电位(SLSEPs),结果如下:1.SLSEPs多数PLs女性均较男性为短,这主要与肢长、身高有关,2.提供了SLSEPs的正常值,可供参考,3.检测SLSEPs对某些神经病损的定位诊断、治疗和预后的判断有重要临床意义。     

92例跟骨骨折后足部畸形功能障碍治疗探讨

本文对92例106足波及距下关节的跟骨骨折治疗后1～6年遗留足畸形、功能障碍的病例(PALey:舌型17足,中央压陷型53足,严重粉碎型36足)进行了分析和总结。作者强调解剖复位、牢靠固定、一期植骨、早期关节持续被动运动及不过早负重是预防跟骨骨折众多并发症的重要措施。