Objective To investigate the risk factors and treatment of local recurrence after Dixon operation of rectal cancer.Methods The clinical data of forty-seven patients who had local recurrence after Dixon operation of rectal cancer in our hospital from January 2011 to December 2013 was analyzed retrospectively.According to literature review,the high risk factors and treatment methods of local recurrence of rectal cancer in China and abroad were analyzed.Results The treatment methods of patients with local recurrence after anterior resection were radical resection,palliative resection and chemotherapy.The prognosis of patients with radical resection whose overall survival time was (38.202±2.411) months,better than that with palliative resection ((24.591±2.150) months),better than that with chemotherapy ((12.833±1.033) months).There was a significant difference in the survival time among the three groups (χ2=30.155,P<0.001).Conclusion Fully understanding of high risk factor can help reduce the probability of local recurrence.For patients with local recurrence of the rectal cancer,radical resection should be performed.In case that radical surgery is not possible,positive treatments should be adopted if the patients are in good physical condition.

Objective:To analyze the clinical characteristics of patients with cardiac arrest caused by poisoning, explore the differences in the corresponding emergency measures and emergency effects under different causes of poisoning, and improve the success rate of out-of-hospital cardiac arrest rescue.Methods:All out-of-hospital toxic cardiac arrest patients admitted to Beijing Emergency Medical Center from January 2021 to December 2021 were retrospectively included.Results:A total of 38 patients with a median age of 43 years, including 26(68.4%) were male. There were 20 cases of acute alcoholism (52.6%), and 9 (23.7%) cases of carbon monoxide and drug poisoning respectively. In 38 cases, only 2 cases achieved return of spontaneous circulation, and no cases survived more than 24 hours.Conclusions:Poisoning induced cardiac arrest is one of the non-cardiac causes of out-of-hospital cardiac arrest, responsible for 1.7%. Alcoholism is the main poisoning cause of noncardiac out-of-hospital cardiac arrest in Beijing, prevent the poisoning and quickly identify the cause of the poisoning and give the correct rescue measures is very important for cardiac arrest.

Objective To investigate the significance of circulating tumor cells in tumor reflux venous blood in colorectal cancer patients with liver metastasis.Methods Seventy-four patients with colorectal cancer treated in Liaoning Cancer Hospital & Institute from January 2015 to January 2017 were enrolled in this study.The circulating tumor cells were detected by CellSearch system in patients with tumor reflux venous blood to analyze the results of circulating tumor cells and their clinical significance.Results Among the 74 patients with colorectal cancer,there were 24 patients with synchronous liver metastasis and 9 patients with metachronous liver metastasis.The sensitivity of CEA and CA19-9 positive in the detection of colorectal cancer synchronous liver metastasis was 67.9% and 58.6%,respectively.The sensitivity of circulating tumor cells positive detection in tumor reflux venous blood in the diagnosis of synchronous liver metastasis was 60.6%.n patients with metachronous liver metastases,CEA and CA19-9 positive patients were 33.3% and 55.6%,respectively,while CTCs positive patients were 77.8%.Conclusion The detection of circulating tumor cells in tumor reflux venous blood of colorectal cancer not only improves the detection rate,but also may become a predictive factor for metachronous liver metastasis.

OBJECTIVETo investigate risk factors associated with lymph node metastasis and prognosis of rectal neuroendocrine tumor (NET).

METHODSClinicopathological data of 69 patients with rectal NET in our department from April 2003 to October 2011 were retrospectively analyzed. Associations of clinicopathological factors with lymph node metastasis and prognosis were examined using univariate and multivariate analysis.

RESULTSOf the 69 patients, 9 cases had lymph node metastasis. The lymph node metastasis was significantly associated with tumor size, T stage and G grade by univariate analysis. Multivariate analysis showed that T stage was the only risk factor associated with lymph node metastasis. The overall 5-year survival rate was 90.3%. Prognosis of rectal NET was significantly associated with tumor size, T stage, N stage, M stage, TNM stage and G grade by univariate analysis. Multivariate analysis showed that M stage was significantly associated with long-term survival in rectal NET patients (P=0.000, HR=2.285, 95%CI:1.484~3.518). There was no significant difference in patients with stage I between local and radical resection, while there were significant differences in those with stage II or higher between the two operations (P=0.046).

CONCLUSIONT stage is associated with lymph node metastasis and both TNM stage and M stage can affect the prognosis of patients with NET, which may be used as potential predictive factors for rectal NET. Local resection should be recommended for patients with stage I and radical resection should be recommended for patients with stage II or higher.

Adult ; Aged ; Female ; Humans ; Lymph Nodes ; pathology ; Lymphatic Metastasis ; diagnosis ; pathology ; Male ; Middle Aged ; Neoplasm Staging ; Neuroendocrine Tumors ; diagnosis ; pathology ; Prognosis ; Rectal Neoplasms ; diagnosis ; pathology