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find Keyword "回顾性研究" 21 results
  • Clinical histopathological and misdiagnostic analysis of 359 cases of intraocular tumors

    Objective To probe the clinical character,the histopathological classification and misdiagnoses of intraocular tumors. Methods The clinical and pathological data of 359 patients with intraocular tumor diagnosed clinically between 1980~2000 were retrospectively analyzed. Results There were 300 cases of malignant tumor and 23 cases of benign tumor respectively. Non-oncologic malady and benign tumor misdiagnosed as tumor or malignant tumor were 40 cases. The two leading malignant tumors were retinoblastoma and melanoma. Conclusion The clinical and pathological analysis of intraocular tumor is beneficial to the correct clinical diagnosis and treatment. (Chin J Ocul Fundus Dis,2002,18:28-30)

    Release date:2016-09-02 06:01 Export PDF Favorites Scan
  • A Retrospective Analysis on 356 Cases of Forensic Identification for Medical Disputes

    目的:探讨《医疗事故处理条例》颁布后医疗纠纷法医学鉴定的相关特点,启示医务人员在防范医疗纠纷时应注意的相关问题。方法:对四川华西法医学鉴定中心2002年~2006年受理的356例医疗纠纷法医学鉴定资料进行回顾性研究。结果:(1)《医疗事故处理条例》实施以来,医疗纠纷案例逐年增多,个体诊所和三级医院医疗纠纷比例和过错率降低,二级医院和一级医院医疗纠纷率和医疗过错率增加;(2)误诊误治等医疗技术方面的过失是导致医疗事故的主要原因;骨科、妇产科和普外科等手术科室的医疗风险最大;(3)医疗纠纷死亡的患者尸检主要集中在儿童和中青年。各年龄段常见死因不同。三级医院在医院临床死因诊断与法医尸检诊断上符合率最高;(4)侵犯患者知情同意权的现象比较多见;(5)疾病自然转归是被鉴定为非医疗事故的最常见原因;结论:《医疗事故处理条例》颁布后,医疗纠纷法医学鉴定案例逐年增多;目前医疗纠纷的特点和产生原因有了新的变化,其中尤以侵犯患者知情同意权和医患沟通障碍突出。

    Release date:2016-09-08 09:54 Export PDF Favorites Scan
  • Clinical Analysis of 704 Patients with Total Correction of Tetralogy of Fallot

    目的 总结法洛四联症矫治术的临床经验,进一步提高治愈率,降低其并发症和死亡率。 方法 回顾性分析2005年4月1日至2013年3月31日河南省胸科医院704例行法洛四联症矫治术患者的临床资料,其中男394例、女310例,年龄3个月至45岁,平均(3.6±6.6)岁。 结果 684 (97.20%) 例治愈,死亡20例,死亡率2.8%。死于低心排血量综合征和多器官功能衰竭16例,急性肾功能衰竭2例,术后灌注肺合并肺部感染1例,心搏骤停1例。因术后出血量多,再次开胸止血21例(2.98%);脱离呼吸机后二次气管内插管21例(2.98%),腹膜透析治疗肾功能不全25例,发生感染性心内膜炎10例,Ⅲ°房室传导阻滞2例;10例术后出院前复查发现小的室间隔缺损残余漏,5例跨肺动脉瓣压差超过40 mm Hg。随访1~8年,随访到658例,随访率98%。随访期间因心衰死亡3例,因心内膜炎死亡1例。 结论 术前精确诊断,把握好手术适应证,术中矫治满意,术后及时恰当处理是手术成功的关键。

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  • Retrospective study on exemption from sentinel lymph node biopsy in elderly patients with breast cancer

    ObjectiveTo explore the influence of sentinel lymph node (SLN) status on the prognosis of elderly breast cancer patients ≥70 years old, and to screen patients who may be exempted from sentinel lymph node biopsy (SLNB), so as to guide clinical individualized treatment for such patients. MethodsA retrospective analysis was made on 270 breast cancer patients aged ≥70 years old who underwent SLNB in the Affiliated Hospital of Southwest Medical University from 2012 to 2021. The clinicopathological characteristics of the total cases were compared according to the status of SLN. Kaplan-Meier method was used to draw the survival curve, and the influence of SLN status on the overall survival (OS) time, local recurrence (LR) and distant metastasis (DM) of patients were analyzed, and used log-rank to compare between groups. At the same time, the patients with hormone receptor (HR) positive were analyzed by subgroup. The differences between groups were compared by single factor χ2 test, and multivariate Cox regression model was used to analyze and determine the factors affecting OS, LR and DM of patients. ResultsThe age of 270 patients ranged from 70 to 95 years, with a median age of 74 years. One hundred and sixty-nine (62.6%) patients’ tumor were T2 stage. Invasive ductal carcinoma accounted for 83.0%, histological gradeⅡ accounted for 74.4%, estrogen receptor positive accounted for 78.1%, progesterone receptor positive accounted for 71.9%, and human epidermal growth factor receptor 2 negative accounted for 83.3%. The number of SLNs obtained by SLNB were 1-9, and the median was 3. SLN was negative in 202 cases (74.8%) and positive in 68 cases (25.2%). Thirty-five patients (13.0%) received axillary lymph node dissection. There was no significant difference in LR between the SLN positive group and the SLN negative group (P>0.05), but the SLN negative group had fewer occurrences of DM (P=0.001) and longer OS time (P=0.009) compared to the SLN positive group. The results of univariate and multivariate analysis suggest that the older the patient, the shorter the OS time and the greater the risk of DM. Analysis of HR positive subgroups showed that SLN status did not affect patient survival and prognosis, but age was still associated with poor OS time and DM. ConclusionsFor patients with invasive ductal carcinoma of breast in T1-T2 stage, HR positive, clinical axillary lymph nodes negative, and age ≥70 years old, SLNB may be exempted. According to the patient’s performance or tumor biological characteristics, patients who need systemic adjuvant chemotherapy may still consider SLNB.

    Release date:2023-12-26 06:00 Export PDF Favorites Scan
  • Comparison of single and bilateral lung transplantation in the treatment of end-stage chronic obstructive pulmonary disease

    Objective To compare outcomes after single versus bilateral lung transplantation in patients with end-stage chronic obstructive pulmonary disease (COPD) with retrospective cohort study, and to provide a reference for surgical selection. Methods One hundred and two patients with end-stage COPD who received lung transplantation in Wuxi People's Hospital affiliated to Nanjing Medical University from January 2010 to May 2019 were evaluated, including 97 males and 5 females, aged from 42 to 82 years, with an average age of (59.8±8.0) years. Recipients were divided into single lung transplantation (SLT) group (31 cases) and bilateral lung transplantation (BLT) group (71 cases). Preoperative characteristics, postoperative outcomes, postoperative complications, functional improvement and survival between the two groups were analyzed retrospectively. Results The SLT group were significantly older than the BLT group [(62.6±8.8) years vs. (58.6±7.4) years, P<0.05], which was consistent with the practice mode of single lung transplantation in the elderly patients in this center. The FEV1% predicted and the six‐minute walk distance (6-MWD) in the BLT group were better than those in the SLT group (P<0.05). The cumulative survival rate in 1, 3 and 5 years after operation in the BLT group was higher than that in the SLT group (70.4%, 63.2%, 61.5%, respectively vs. 67.7%, 58.1%, 54.6%, respectively), but there was no statistical difference (P=0.388). The two groups were comparable in other preoperative clinical data (P>0.05). The cold ischemia time and total operation time were shorter in the SLT group than in the BLT group, and the intraoperative blood loss was less than that in the BLT group, but more patients required intraoperative extracorporeal membrane oxygenation support than the BLT group (P<0.05). There were no significant differences in postoperative ventilator support, reoperation, length of intensive care unit stay, postoperative hospital stay, and perioperative mortality (P>0.05). In terms of postoperative complications, the incidence of primary graft dysfunction grades 3 was higher in the SLT group than in the BLT group (35% vs. 8%, P=0.001). There were no significant differences between the two groups in chest complications, airway complications, acute rejection, infection, and bronchial occlusion syndrome (P>0.05). Nine patients (29%) developed acute native lung hyperinflation in the SLT group. ConclusionsBilateral lung transplantation is superior to single lung transplantation in the treatment of end-stage COPD. The advantage is mainly reflected in the simple perioperative management, better functional improvement after operation. Single lung transplantation as a beneficial supplement to double lung transplantation should still be considered in selected patients.

    Release date:2023-01-18 06:43 Export PDF Favorites Scan
  • The Prevalence Survey of Severe Acute Respiratory Syndrome Prophylaxis in 411 Medical Staff of Shanxi Province of China

    Objective To investigate the clinical effectiveness and adverse event of preventive medicine for severe acute respiratory syndrome (SARS), and provide clinical data for designing prospective clinical trial. Method Retrospective study on medical staffs, that were exposed to SARS patients, was conducted in two main SARS designated hospitals to obtain information such as SARS exposure risk and preventive measures (medical and others). According to the type of preventive medicine, they were assigned to earthworm’s nucleases and protease (ENP) group, interferon group and blank control group respectively. Exposure risk, suspected sub-clinical infection rate and adverse event rate were compared between the three groups. Results Non-medical preventive measures used in each group were consistent, but the exposure intensity to risk factors between groups was statistically different, which biased the evaluation of clinical effectiveness of preventive medicine. The rate of suspected sub-clinical infection in earthworm’s nucleases and protease (ENP) group, interferon group and control group were 4.5%, 4.5%, and 9.9% (Pgt;0.05), respectively; and adverse event rate were 19.6%, 13.6% (Pgt;0.05), and 0%, respectively. Conclusions Suspected sub2clinical infection rate in ENP group, interferon (INF) group were lower than that in control group, which indicated that these two medicines might be effective in preventing SARS. Adverse event rate in ENP group was similar to that of interferon group, and the symptoms were mild in both groups, which was in accordance with the result of in vitro experiments. ENP spray is a kind of biological preparation; further purification may reduce its adverse event rate. However, because there had excessive confounding factors, especially because of the unequal of exposure risk between three groups, the results of this study can only provide insights to design prospective clinical trial in the future.

    Release date:2016-08-25 03:33 Export PDF Favorites Scan
  • Short and medium-term efficacy of minimally invasive coronary artery bypass grafting in patients with coronary heart disease and diabetes mellitus: A retrospective study in a single center

    Objective To compare the safety and efficacy of minimally invasive coronary artery bypass grafting (MICS CABG) and traditional CABG in patients with coronary heart disease (CHD) and diabetes mellitus (DM). Methods From 2019 to 2021, the patients who received CABG by the same medical group in the Minimally Invasive Cardiac Surgery Center of Anzhen Hospital were retrospectively enrolled. According to the surgery methods, the patients were divided into two groups: a MICS CABG group and a conventional group. The perioperative and postoperative follow-up data of patients were collected. The main observation results included all cause death events, myocardial infarction, cerebrovascular, revascularization, and adverse wound healing. Results According to the inclusion and exclusion criteria, 140 patients were enrolled, including 66 patients in the MICS CABG group (56 males and 10 females, aged 61.83±8.94 years), and 74 patients in the conventional group (55 males and 19 females, aged 58.61±8.26 years). Compared with the conventional group, patients in the MICS CABG group had longer median surgical time (4.50 h vs. 4.00 h, P=0.005), less intraoperative bleeding (600.00 mL vs. 700.00 mL, P=0.020), and a lower rate of secondary debridement and suturing of surgical wounds (4.5% vs. 16.2%, P=0.023). The median follow-up time was 2.54 years. There was no statistically significant difference in the cumulative incidence of major adverse cardiac and cerebrovascular events (7.6% vs. 5.4%), all-cause mortality (0 vs. 0), myocardial infarction (3.0% vs. 2.7%), cerebrovascular events (4.5% vs. 2.7%), and revascularization (0 vs. 0) between the two groups of patients during the postoperative follow-up (P>0.05). Conclusion MICS CABG can achieve the same revascularization effect as traditional CABG in patients with CHD and DM. MICS CABG can effectively reduce adverse clinical outcomes or complications such as adverse chest wound healing and slow postoperative recovery of body function in patients with DM.

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  • Visual analysis and methodology of retrospective chart review

    Retrospective chart review (RCR) is a type of research that answers specific research questions based on the existing patient medical records or related databases through a series of research processes including data extraction, data collation, statistical analysis, etc. Relying on the development of medical big data, as well as the relatively simple implementation process and low cost of information acquisition, RCR is increasingly used in the medical research field. In this paper, we conducted the visual analysis of high-quality RCR published in the past five years, and explored and summarized the current research status and hotspots by analyzing the characteristics of the number of publications, national/regional and institutional cooperation networks, author cooperation networks, keyword co-occurrence and clustering networks. We further systematically combed the methodological core of this kind of research from eight aspects: research question and hypothesis, applicability of chart, study design, data collecting, statistical analysis, interpretation of results, and reporting specification. By summarizing the shortcomings, unique advantages and application prospects of RCR, providing guidance and suggestions for the standardized application of RCR in the medical research field in the future.

    Release date:2023-05-19 10:43 Export PDF Favorites Scan
  • Clinical analysis of 1 250 patients with thoracic injuries

    目的 总结胸部创伤流行病学及临床特征,为创伤的预防和救治提供科学依据。 方法 回顾性分析 2005~2015 年我院胸心外科连续收治 1 250 例胸部创伤患者的临床资料。根据患者伤情,分别采用无创性保守治疗、胸腔闭式引流术、开胸探查止血术、肋骨内固定术及其他胸部及心脏创伤的修补术。观察创伤患者致伤类型、创伤部位、治疗方式与临床预后以及 2012 年前后时间分布及其相关性。 结果 全组男 999 例(79.9%)、女 251 例(20.1%),平均年龄(44.0±17.7)岁。非穿透性损伤 885 例(70.8%),穿透性损伤 365 例(29.2%),死亡 8 例(0.64%)。肋骨骨折 766 例,骨折内固定手术干预占 16.1%(123/766),手术复位内固定患者平均住院时间明显短于保守治疗患者(9.55 dvs. 16.38 d,t=6.574,P=0.000)。2012 年后非穿透性损伤较 2012 年前有所升高(81.8%vs. 66.3%),而穿透性损伤较前明显下降(18.2%vs. 33.7%)(χ2=28.9,P=0.000)。2012 年前后创伤部位中肋骨骨折(P=0.000)、肺挫伤(P=0.000)、气胸(P=0.000)和胸腹联合伤(P=0.001)均发生了明显变化。 结论 2012 年是我院 10 年期间胸部创伤类型及创伤部位发生明显变化趋势的重要时间截点,对我院下一步胸部创伤救治侧重点转变带来了新的思考和考验。

    Release date:2017-04-24 03:51 Export PDF Favorites Scan
  • Twenty-two patients of atrioventricular septal defect repair with prosthetic valve ring implantation: A retrospective cohort study in a single center

    ObjectiveTo review the characteristics of patients who underwent atrioventricular septal defects (AVSD) repair with prosthetic valve ring implantation in our hospital, and to analyze the safety and effectiveness of this intervention.MethodsThe clinical data of all patients diagnosed with AVSD who received surgery repair and prosthetic valve ring implantation from January 1, 2018 to July 12, 2020 in Guangdong Provincial People's Hospital were collected and analyzed. There were 22 patients with 9 males and 13 females at a median age of 35.00 (14.10, 53.00) years. There were 9 (40.9%) patients with prosthetic half or full rings placed on the left atrioventricular valve and 18 (81.8%) patients with prosthetic half or full rings placed on the right atrioventricular valve. ResultsThe median postoperative hospital stay was 7.00 (6.00, 8.80) d, and the postoperative mechanically assisted ventilation time was 11.00 (6.25, 19.00) h. There were 2 (9.1%) patients of moderate or higher postoperative atrioventricular valve regurgitation, 1 on the left and 1 on the right. There was one patient (4.5%) of the postoperative residual septal defect. There was no left ventricular inflow or outflow tract obstruction and no postoperative residual atrial septal defect during the follow-up of 152.00 (124.00, 1 030.00) d.ConclusionImplantation of a prosthetic ring is safe and effective in patients with AVSD, and the structural strength of the ring may be improved after the implantation. The physiological development of the AVSD annulus after prosthetic ring implantation and the results of long-term follow-up needs further attention.

    Release date:2022-10-26 01:37 Export PDF Favorites Scan
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