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find Author "ZHANG Zaizhong" 5 results
  • Comparative Study of Large-Calibre Transanal Tube Usage after Rectal Cancer Anterior Resection for Prophylaxis of Anastomotic Leakage

    Objective To assess the effectiveness of large-calibre (7.5#) transanal tube drainage and decompression on prevention from anastomotic leakage following anterior resection for rectal cancer. Methods Clinical data of 346 consecutive patients (M/F=1.39, age range 32-84 years, median age 58.5 years) undergone anterior resection for rectal cancer in this institute from January 2006 to December 2008 were analyzed retrospectively. Results The anastomotic leakage rate was 0 (0/185) and 5.59%(9/161) in patients with or without receiving large-calibre transanal tube drainage respectively. The anastomotic leakage rate was significantly decreased by large-calibre transanal tube drainage after anterior resection for rectal cancer (χ2=8.526, P=0.004). Eight cases of anastomotic leakage were treated conservatively and the other one required further surgical interventions. No perioperative death occurred in this series. Conclusion In this study, the large-calibre transanal tube drainage and decompression is effective in protecting rectal anastomosis and decreasing the rate of anastomotic leakage.

    Release date:2016-09-08 10:56 Export PDF Favorites Scan
  • Surgical diagnosis and treatment of carotid body tumor: a report of 27 cases

    Objective To sum up the diagnosis, treatment, and prevention of postoperative complications of carotid body tumor. Methods The clinical data of 27 patients (30 aneurysms) with carotid body tumor who treated in our hospital from June 2005 to June 2016 were analyzed retrospectively. Results Of the 27 patients, 24 patients had unilateral lesions and 3 patients had bilateral lesions, with a total of 30 aneurysms. Three patients received color Doppler ultrasound, 18 patients received computed tomography angiography, 3 patients received magnetic resonance angiography, and 6 patients received digital subtraction angiography. According to Shamblin classification: 10 aneurysms belonged to typeⅠ, 16 aneurysms belonged to typeⅡ, 4 aneurysms belonged to type Ⅲ. Twenty aneurysms were treated with simple stripping, 6 aneurysms were treated with tumor resection and external carotid artery resection, 2 aneurysms were resected by resection, partial carotid artery resection plus external-internal carotid artery anastomosis, 2 aneurysms were resected by resection, resection of internal carotid artery, external carotid artery, and common carotid artery, as well as internal carotid artery-common carotid artery bypass. All patients underwent a successful operation with no death. After surgery,1 patient suffered from hemiplegia, 2 patients suffered from hoarseness, and 1 patient suffered from cough. Of the 27 patients, 24 patients were followed-up from 3 months to 4 years, with a median time of 2.3 years. During the follow-up procedure, the 1 patient with hemiplegic recovered to more than three levels of muscle strength after 6 months after rehabilitation, the 2 patients with hoarseness and 1 patient with cough returned to normal after 2 months after symptomatic treatment. There was no recurrence during follow-up procedure, and no other complications occurred. Conclusion Computed tomography angiography and magnetic resonance angiography are propitious to the definitive diagnosis of carotid body tumor, and actively surgical treatment should be performed once diagnosis of carotid body tumor.

    Release date:2018-01-16 09:17 Export PDF Favorites Scan
  • Analysis of factors influencing hungry bone syndrome in patients with secondary hyperparathyroidism after parathyroidectomy

    ObjectiveTo analyze the factors influencing the hungry bone syndrome (HBS) in patients with secondary hyperparathyroidism (SHPT) after parathyroidectomy. MethodsThe clinical data of patients who underwent parathyroidectomy for SHPT in the 900th Hospital of the Joint Logistics Support Force from January 2016 to May 2021 were retrospectively analyzed. The risk factors for HBS were analyzed by binary logistic regression analysis. The cut-off value of risk factors for predicting postoperative HBS was analyzed by using recieve operating characteristic (ROC) curve. ResultsA total of 89 patients were included in this study, including 44 males and 45 females, with (47±11) years old. There were 42 (47.2%) patients with HBS. Compared with the patients without HBS, the patients with HBS was younger and had higher levels of preoperative parathyroid hormone, potassium, and alkaline phosphatase (ALP), the differences were statistically different (P<0.05). The multivariate binary logistic regression analysis showed that the higher preoperative ALP level was a risk factor for the HBS [OR (95%CI) = 1.014 (1.007, 1.020), P<0.001]. The area under the ROC curve (95%CI) of the preoperative ALP level in distinguishing the patients with HBS from without HBS was 0.957 (0.919, 0.996), and the optimal cut-off value of ALP for predicting postoperative HBS was 278.90 U/L. ConclusionsFrom the preliminary results of this study, it can be concluded that bone conversion status can be differentiated according to preoperative ALP level in patients with SHPT. When preoperative ALP level is higher than cut-off value, it is recommended that calcium supplementation should be given as soon as possible and blood calcium level should be closely monitored.

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  • Application of preoperative stereotactic localization in the operation of secondary hyperparathyroidism

    ObjectiveTo explore the selection and application value of preoperative stereotactic localization in the surgical treatment of secondary hyperparathyroidism.MethodsThe preoperative ultrasound, CT, and methoxyisobutylisonitrile (MIBI) scan data of 54 patients with secondary hyperparathyroidism confirmed by pathological examination in the Department of General Surgery of the 900th Hospital of the Joint Logistics Team from September 2016 to January 2020 were retrospectively analyzed, to explore the localization accuracy of the three methods alone or in combination.ResultsIn this study, a total of 207 parathyroids were detected, 1 was misdiagnosed (ectopic thymus),9 were missed, and 216 parathyroids were removed. The preoperative localization accuracy of CT, ultrasound, and MIBI was the highest (95.39%, 207/217), followed by ultrasound and MIBI (93.55%, 203/217) and CT+MIBI (89.40%, 194/217), compared with other single or two methods, the differences were statistically significant (P<0.05). The accuracy of CT combined with ultrasound localization (82.49%, 179/217) was slightly higher than that of MIBI scan alone (78.80%, 171/217), but the difference was not statistically significant (P=0.060). Although the location accuracy of MIBI scan was slightly higher than that of ultrasound localization (77.88%, 169/217), the difference was not statistically significant (P=0.084).ConclusionIn order to maximize the accuracy of preoperative stereotactic localization of secondary hyperparathyroidism, ultrasound, CT, and MIBI should be combined.

    Release date:2021-02-08 07:10 Export PDF Favorites Scan
  • Establishment of Duodenal-Jejunal Bypass Animal Model in Goto-Kakizaki Rat

    Objective To explore the feasibility and operation points of establishing duodenal-jejunal bypass (DJB)surgery animal model in Goto-Kakizaki (GK) rats. Methods Sixteen GK rats were randomly divided into experimental group (n=8) and control group (n=8). In a standardized preoperative, intraoperative, and postoperative operation, the rats of experimental group and control group received DJB and sham surgery respectively. The fasting plasma glucose and body mass were observed before operation, and 1, 2, 3, and 4 weeks after operation in order to evaluate whether the models were established successfully. Survival situation of rats were observed too. Results All experimental rats survived at 4 weeks after the operation. Compared with the levels before operation, the fasting plasma glucose levels of experimental group decreased significantly (P<0.05) at 1 week after operation, and remained stable at 2, 3, and 4 weeks after operation.The fasting plasma glucose levels of control group did not change statistically at all time points after operation (P>0.05). Compared with control group at the same time point, the fasting plasma glucose level of experimental group was lower (P<0.05), indicating that DJB models were established successfully. After 4 weeks, the value of body mass added in experimental group was significantly lower than those of control group (P<0.05). Conclusions DJB is a feasible, safe, and effective hypoglycemic surgery. The application of this set of experimental operating procedures can reduce the risk of intraoperative and postoperative mortality, and can develop a stable DJB model in Goto-Kakizaki rats.

    Release date:2016-09-08 10:35 Export PDF Favorites Scan
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