Seasonal characteristics and time series analysis of hepatitis E in Shanghai from 2005 to 2019 / 上海预防医学

Objective:To analyze the seasonal characteristics and incidence trend of hepatitis E from 2005 to 2019 in Shanghai， and provide references for the prevention and treatment of hepatitis E. Methods:The seasonal characteristics of hepatitis E in Shanghai from 2005 to 2019 were analyzed by circular distribution method. The incidence trend of hepatitis E was analyzed by ARIMA （autoregressive moving average model）. Results:The peak period of hepatitis E in Shanghai from 2005 to 2019 was from November 17 to June 9， and the peak day was on February 27. The time series shows that the optimal model is SARIMA（0，1，1）×（0，1，1）12， Akaike information criterion（AIC） and Schwartz Bayesian information criterion （SBC） are 1 243.799 and 1 250.035 respectively， and the residual is white noise sequence. The mean absolute percentage error（MAPE）between the predicted value， and the actual value of this model is 20.253%. The forecast shows a slight decrease in the number of cases of hepatitis E in 2020-2021 compared with 2019， but it is still at a high level. Conclusion:The incidence of hepatitis E in Shanghai shows a solid seasonal characteristic. Health education and prevention/control measures should be conducted well before the epidemic peak. Based on the short-term prediction， the incidence of hepatitis E would still be high. Effective prevention and control strategies should be developed， and active measures should be taken.

Simultaneous laparoscopic excision for rectal carcinoma and synchronous hepatic metastasis / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Rectal carcinoma patients are often accompanied by hepatic metastasis. The aim of this study was to evaluate the therapeutic efficacy of simultaneous laparoscopic excision for rectal carcinoma with synchronous hepatic metastasis.</p><p><b>METHODS</b>A total of 41 patients with rectal carcinoma and synchronous hepatic metastasis detected by CT scan were included in this study. Among them, 23 patients underwent laparoscopic surgery and 18 patients underwent traditional open surgery to simultaneously remove the rectal tumor and hepatic metastasis lesions. All patients received postoperative adjuvant chemotherapy. All the patients were followed up from 36 to 72 months (mean 45.3 months).</p><p><b>RESULTS</b>All the operations were performed successfully and no patient was turned to open surgery in laparoscopic group. The mean blood loss, the mean postoperative hospital stay, the mean blood transfusion and the mean intestinal functional recovery time showed a significant difference between the two groups (P < 0.05). The 1-, 3- and 5-year survival rates were 82.6%, 43.5% and 8.6% in the laparoscopic group, without significant difference compared with the open group (77.8%, 38.9% and 0) (P > 0.05).</p><p><b>CONCLUSIONS</b>Simultaneous laparoscopic excision for rectal carcinoma and synchronous hepatic metastasis is safe and effective with similar survival achieved by the traditional open abdominal surgery.</p>

Effect of ROUX-en-Y anastomosis and Billroth-II anastomosis after subtotal gastrectomy on blood glucose in type 2 diabetic patients / 南方医科大学学报

<p><b>OBJECTIVE</b>To evaluate the effect of ROUX-en-Y anastomosis and Billroth-II anastomosis after subtotal gastrectomy on blood glucose in patients with type 2 diabetes.</p><p><b>METHODS</b>From January 2006 to December 2009, 26 and 24 type 2 diabetic patients underwent subtotal gastrectomy for gastric cancer or gastric ulcer and received subsequent ROUX-en-Y anastomosis and Billroth-II anastomosis, respectively. Perioperative and postoperative blood glucose and glycosylated hemoglobin (HbA1c) were detected in these patients to identify the variations.</p><p><b>RESULTS</b>In ROUX-en-Y group, the fasting blood glucose (FBG) of the patients decreased significantly in the first month after the operation (t=4.46, P<0.05), and the 2-hour postprandial glucose (2hPG) and HbA1c also underwent significant reductions in the first postoperative week and month, respectively (t=3.5, P<0.05; t=2.21, P<0.05). In Billroth-II group, the FBG decreased significantly till 6 months after the operation (t=2.0, P<0.05), and HbA1c reduction occurred 3 months after the operation (t=2.61, P<0.05). There were significant differences in FBG in the first postoperative month, 2hPG in the 6th month, and HbA1c in the 3rd month between the two groups (P<0.05).</p><p><b>CONCLUSION</b>The ROUX-en-Y anastomosis and Billroth-II anastomosis after subtotal gastrectomy can both reduce blood glucose of type 2 diabetic patients, but the former approach has better effect.</p>

Applied anatomy of the inguinal region and laparoscopic inguinal hernia repair / 南方医科大学学报

<p><b>OBJECTIVE</b>To investigate the regional anatomy of the inguinal region and abdominal ring and provide accurate anatomic basis for the clinical application of total peritoneum intraperitoneal onlay mesh (TPIPOM).</p><p><b>METHODS</b>The structures of the inguinal region and those surrounding the abdominal ring of 18 cadavers (11 males and 7 females, 36 sides) were dissected to measure the lengths from the nerves and vessels to the corresponding anatomical landmarks.</p><p><b>RESULTS</b>The average distances from the point where the iliohypogastric nerve (IHN) ran through the obliquus internus abdominis to anterosuperior iliac spine and from the point where the IHN ran through the aponeurosis of the external oblique muscle of the abdomen to the superior margin of the symphysis pubica were 4.10±0.89 cm and 5.02±1.46 cm, respectively. The average distances from the point where the ilioinguinal nerve (IGN) ran through the obliquus internus abdominis to the anterosuperior iliac spine and from the point where IGN ran through the aponeurosis of the external oblique muscle of the abdomen to the superior surface of the tuberculum pubicum were 3.09±0.81 cm and 3.84±0.89 cm, respectively. We established the regional anatomy model of the structures surrounding the abdominal ring.</p><p><b>CONCLUSION</b>The quantitative measurement of important structures of the inguinal region and establishment of the regional anatomy model of the surrounding structures of the abdominal ring can provide a valuable reference to reduce intraoperative and postoperative complications of TPIPOM.</p>

Immunological influence of iodine-125 implantation in patients with hepatocellular carcinoma resection / 南方医科大学学报

<p><b>OBJECTIVE</b>To investigate the effect of iodine-125 implantation on immune cell subsets and cytokine production in patients undergoing hepatocellular carcinoma (HCC) resection.</p><p><b>METHODS</b>Sixty-eight patients with resectable HCC were randomly divided into intrahepatic iodine-125 embedding group and control group. The percentages of T lymphocyte phenotypes (CD3(+), CD4(+), CD8(+)), NK cells, and the plasma concentrations of IL-4, IL-10, IL-12 and IFN-gamma of the patients were determined with flow cytometry and ELISA, respectively.</p><p><b>RESULTS</b>In the control group, the postoperative CD3(+) and CD4(+) immunocytes were (39.38-/+6.98)% and (24.34-/+3.18)%, significantly lower than the preoperative levels [(62.58-/+8.67)% and (30.63-/+4.19)%, respectively, P<0.05)]. The postoperative concentrations of IL-4 and IL-10 were (29.83-/+7.99) and (87.54-/+2.89) ng/L, significantly higher than the preoperative levels (10.35-/+8.76 and 64.25-/+2.54 ng/L, respectively, P<0.05). In the treatment group, the percentages of the immunocytes and cytokine concentrations underwent no significant changes after the operation, but postoperative IL-12 (89.46-/+11.43 ng/L) and IFN-gamma (47.78-/+5.45 ng/L) levels were significantly higher than the preoperative levels (36.13-/+9.16 and 7.14-/+2.17 ng/L, respectively, P<0.05). Significant differences were found between the two groups in the postoperative CD3(+) and CD4(+) immunocytes and IL-4, IL-10, IL-12 and IFN-gamma levels.</p><p><b>CONCLUSION</b>Iodine-125 implantation can strongly stimulates the anti-tumor immune response in HCC patients by increasing CD3(+) and CD4(+) immunocytes and promoting Th2/Th1 deviation.</p>

Laparoscopic placement of total peritoneum intraperitoneal onlay mesh in patients with inguinal hernia / 南方医科大学学报

<p><b>OBJECTIVE</b>To study the efficacy of laparoscopic placement of total peritoneum intraperitoneal onlay mesh (TPIPOM) for treatment of inguinal hernia.</p><p><b>METHODS</b>TPIPOM was placed laparoscopically in 125 cases of inguinal hernia, and the clinical outcomes of the patients were observed and compared with 64 patients receiving transabdominal preperitoneal laparoscopic mesh repair (TAPP) and 53 with total extraperitoneal laparoscopic hernioplasty (TEP).</p><p><b>RESULTS</b>The laparoscopic operations were successfully performed in all the patients. In TPIPOM, TAPP and TEP groups, the operating time was 30.8-/+10.3 min, 68.4-/+22.4 min and 69.5-/+23.4 min (P<0.05), the mean hospital stay was 3.8-/+1.3 days, 4.3-/+1.5 days and 4.5-/+1.6 days (P<0.05), the average time to ambulation was 1.2-/+0.5 days, 1.8-/+0.7 days and 2.2-/+0.8 days (P<0.05), the duration of pain was 1.0-/+0.5 days, 1.6-/+0.9 days and 1.9-/+0.8 days (P<0.05), and the cost was 5000.8-/+800.5 yuan, 8000.5-/+950.6 yuan and 8900.2-/+750.3 yuan (P<0.05), respectively. No scrotum edema occurred in these patients. The patients were followed up for 59.9-/+6.5 months and recurrence was found.</p><p><b>CONCLUSION</b>TPIPOM is safe and effective for management of inguinal hernia with such advantages as minimal invasion, simple procedures, shorter operation time, reduced relapse and quick recovery.</p>

Simultaneous laparoscopic excision for the treatment of rectal carcinoma and the synchronous hepatic metastasis / 中华肿瘤杂志

<p><b>OBJECTIVE</b>To evaluate the therapeutic efficacy of simultaneous laparoscopic excision for the treatment of rectal carcinoma and synchronous hepatic metastasis.</p><p><b>METHODS</b>Totally 38 patients with rectal carcinoma and synchronous hepatic metastasis detected by CT scan were included in this study. Among them, 23 patients in the group A were treated with laparoscopic surgery, and the other 18 patients in the group B with traditional abdominal operation to resect the rectal tumor and hepatic metastasis simultaneously. All patients received postoperative chemotherapy.</p><p><b>RESULTS</b>All the patients were treated successfully with no postoperative death in both groups. The mean operative time was 350 +/- 45 min in group A versus 342 +/- 38 min in group B (P > 0.05). The mean blood loss was 275 +/- 96 ml in group A versus 590 +/- 85 ml in group B (P < 0.01), and the average hospital stay was 12 +/- 1.5 days in group A versus 16 +/- 2.5 days in group B (P < 0.05). Only one patient in group A received blood transfusion of 200 ml during operation, while the average blood transfusion in group B was 500 +/- 100 ml (P < 0.01). The follow-up duration was from 36 to 72 months with an average duration of 45.3 months. The 1-, 3- and 5-year survival rates were 82.6%, 43.5% and 8.6% in the group A, versus 77.8%, 38.9% and 0% in group B, respectively (P > 0.05).</p><p><b>CONCLUSION</b>Simultaneous laparoscopic excision of rectal carcinoma and synchronous hepatic metastasis is safe, effective and minimally invasive with a similar survival achieved by traditional open abdominal operation.</p>

Laparoscopy combined with endoscopic and digital subtraction angiography for treatment of severe acute pancreatitis / 南方医科大学学报

<p><b>OBJECTIVE</b>To study the effect of laparoscopy combined with endoscopic and digital subtraction angiography in the treatment of severe acute pancreatitis (SAP).</p><p><b>METHODS</b>Nine-seven SAP patients were randomly divided into group A (n=32) with conventional treatment and group B (n=35) with combined treatment with laparoscopy, endoscopic and digital subtraction angiography in addition to the conventional treatment. The clinical indices and therapeutic effects in the 2 groups were compared.</p><p><b>RESULTS</b>After treatment, the patients in group B had significantly lower APACHE score than those in group A (P<0.05), with also better hepatic, renal and lung functions (P<0.05). The serum TNF-alpha and IL-1beta levels was significantly lower, but IL-10 significantly higher in group B (P<0.05). The CT SPN was significantly lowered in group B as compared with that in group A (P<0.05). The patients in group B had significantly lower rate of organ failure (P<0.01) and higher successful rate in organ failure management (P<0.05), with also lowered inhospital mortality than those in group A (P<0.05).</p><p><b>CONCLUSION</b>Laparoscopy combined with endoscopic pancreaticobiliary duct drainage and digital subtraction angiography in addition to conventional treatment significantly improves the outcome and decreases the mortality of SAP patients.</p>

Changes of the acetylcholine receptor on rat's superficial masseter muscles after functional mandibular advancement / 华西口腔医学杂志

<p><b>OBJECTIVE</b>The purpose of this study was to evaluate the maximum binding (Bmax) and affinity Kd value changes of acetylcholine receptor (n-AchR) on rat's superficial masseter muscles after functional mandibular advancement.</p><p><b>METHODS</b>Forty 5-week-old male SD rats were randomly divided into experimental and control groups. The mimic functional appliances were only used in experimental groups, and the rats of two groups were killed after 1, 3, 7, 14 days. Radio-ligand binding assay (RBA) was applied to determine the Bmax and Kd value of n-AchR on the superficial masseter muscles.</p><p><b>RESULTS</b>The Bmax of n-AchR in experimental groups was higher than that in the control groups at all time points, and the differences had statistical significance. The Kd value of n-AchR was higher in experimental group than that in control groups in 1, 3, 7 days, while Kd value in experimental group of n-AchR was lower than that in control groups in 14 days. The differences had statistical significance in 7 and 14 days, but the differences had no statistical significance in 1 and 3 days.</p><p><b>CONCLUSION</b>The functional orthopedics can increase the Bmax and affinity of n-AchR on rapid growing rat's superficial masseter muscles.</p>

Endoscopic thyroidectomy: a comparison of the trans-axilloareolar approach and the trans-thoracoareolar approach / 中华外科杂志

<p><b>OBJECTIVE</b>To evaluate the advantages and shortcomings of endoscopic thyroid surgery by trans-axilloareolar approach and trans-thoracoareolar approach.</p><p><b>METHODS</b>Endoscopic thyroidectomy was performed in 238 cases from December 2003 to January 2006. The patients were randomly divided into two groups. One hundred and twenty-three patients received the trans-axilloareolar approach and 115 patients randomly received the trans-thoracoareolar approach procedure.</p><p><b>RESULTS</b>All the operations were succeed. The operating duration of trans-axilloareolar approach group and trans-thoracoareolar approach group were (69 +/- 29) min and (70 +/- 25) min (P > 0.05), the blood lost were (38 +/- ll) ml and (40 +/- 13) ml (P > 0.05), the average hospitalized days were (4 +/- 1.3) d and (4.5 +/- 1.2) d (P > 0.05), the rate of satisfaction with the cosmetic effects of the procedures were 97.5% and 85.2% (P <0. 05). There were no conversions to open surgery or any complications. The drainage was removed at 24 h to 36 h after the operation.</p><p><b>CONCLUSIONS</b>Endoscopic thyroidectomy through trans-axilloareolar approach and trans-thoracoareolar approach is feasible, safe and cosmetic. The cosmetic effects of the trans-axilloareolar approach is better than the trans-thoracoareolar approach. The procedure selection depends on both the patient request and the technology of the surgeons.</p>

Laparoscopy and digital subtraction angiography in the treatment of severe acute pancreatitis / 中华外科杂志

<p><b>OBJECTIVE</b>To study the effect of laparoscopy and digital subtraction angiography in the treatment of severe acute pancreatitis (SAP).</p><p><b>METHODS</b>Seventy-five SAP patients were randomly divided into tow groups: (1) Conventional treatment group (group A, n = 35); (2) Conventional treatment combined with laparoscopy and digital subtraction angiography treatment group (group B, n = 40). The clinical parameters and treatment results in the 2 groups were compared.</p><p><b>RESULTS</b>After treatment, APACHE II score in group B was significantly lower than that in group A (P < 0.05). The functions of liver, renal and lung were recovered (P < 0.05, respectively), levels of serum TNF-alpha and IL-1 beta were significantly lower, but IL-10 significantly elevated (P < 0.05), the CT SPN was much lower (P < 0.05); rate of organ failure significantly decreased (P < 0.01), the successful rate of organ failure treatment was increased (P < 0.05); the in hospital mortality decreased (all P < 0.05).</p><p><b>CONCLUSIONS</b>Laparoscopy and digital subtraction angiography in combination with conventional treatment for SAP significantly improves the outcome and decrease the mortality of SAP.</p>

Laparoscopic high ligation of hernia sac and median umbilical fold covering internal ring in treating pediatric indirect inguinal hernia / 中华外科杂志

<p><b>OBJECTIVE</b>To investigate the effect and clinic practice of laparoscopic high ligation of hernia sac and median umbilicus fold covering internal ring in pediatric indirect inguinal hernia.</p><p><b>METHODS</b>Five hundred and fifty-two children with indirect inguinal hernia were randomly divided into group A (control group) and group B (combination group) according to their check-in dates (odd or even). In group A, 275 children were treated with laparoscopic high ligation of hernia sac. In group B, 277 children were treated with laparoscopic high ligation of hernia sac and suturing the median umbilical fold to internal ring.</p><p><b>RESULTS</b>The operation was successfully performed in all 552 patients. The operating time in group A and B were (12.3 +/- 5.5) min and (20.6 +/- 4.2) min (P<0.05) respectively; and the hospital stay were (2.2 +/- 1.5) d and (2.4 +/- 1.3) d (P>0.05); the day of restoring normal active were (1.2 +/- 0.5) d and (1.3 +/- 0.6) d (P>0.05); the recurrence rate were 2.2% (6/275) and 0 (0/277) (P<0.05). No complications, such as abdominal cavity infection and scrotum hematoma occurred during the follow-up of 22 months to 55 months.</p><p><b>CONCLUSIONS</b>Laparoscopic high ligation of hernia sac and median umbilical fold covering internal ring is safe and effective in treating indirect inguinal hernia of the children.</p>

Intraoperative radiofrequency ablation and 125I therapy for preventing local recurrence in hepatocellular carcinoma after hepatectorny / 中华肿瘤杂志

<p><b>OBJECTIVE</b>To evaluate the efficacy of intraoperative radiofrequency ablation and 125I therapy for preventing local recurrence in hepatocellular carcinoma (HCC) after hepatectomy.</p><p><b>METHODS</b>Seventy-eight HCC patients with a tumor close to the first or the second hepatic portal underwent hepatectomy with a resection margin less than 1 cm from 1999 to 2001. All patients were randomly divided into control group and combined treatment group according to their check-in date (odd or even). In the control group, 38 patients were treated with hepatectomy alone, whereas in the combined group, 40 patients were treated with hepatectomy plus radiofrequency ablation and 125I implantation on surgical margin. All patients were followed up regularly.</p><p><b>RESULTS</b>the 1-, 3- and 5-year recurrent rate was 7.5%, 30.0% and 45.0% in the combined treatment group versus 18.4%, 60.5% and 86.8% in the control group, respectively, with a significant difference in the 3-year (chi2 = 7.340, P < 0.01) and 5-year recurrent rates (chi2 = 15.740, P < 0.01). The 1-, 3- and 5-year survival rate was 92.5%, 67.5% and 30.0% in the combined group versus 81.5%, 39.4% and 18.4%, respectively.</p><p><b>CONCLUSION</b>Intraoperative radiofrequency ablation and 125I therapy on the resection margin is effective to prevent local recurrence in HCC patients after hepatectomy, and to prolong their postoperative tumor free survival.</p>

Expression of testosterone in the rapid growing rat condylar cartilage and the expression changes after the function mandibular advancement / 华西口腔医学杂志

<p><b>OBJECTIVE</b>To investigate the expressions of Testosterone in the condylar cartilage of rapid growing rats.</p><p><b>METHODS</b>The mimic functional appliances were used in experiment groups and rats were killed after 3 days, 1 week, 2 weeks, 3 weeks and 4 weeks. Immunohistochemical technique was used to detect the expression of T.</p><p><b>RESULTS</b>T was expressed throughout the condylar cartilage. The Highest expressions were in mature layers of both experiment and control groups. Along with the maturation, the expressions of T in the condylar cartilage were changed respectively, and the immunostain levels in the mature layer of experiment groups 2 and 3 weeks were higher than those of control groups (P < 0.05).</p><p><b>CONCLUSION</b>1. T is a member of cartilage growth and development control system. 2. The orthopedic mechanism of functional appliance may be conducted by T.</p>