Objective:To investigate the classification of head shaking nystagmus（HSN） and its clinical value in vestibular peripheral diseases. Methods:Clinical data of 198 patients with peripheral vestibular disorders presenting with HSN were retrospectively analyzed. Video Nystagmograph（VNG） was applied to detect spontaneous nystagmus（SN）, HSN, and Caloric Test（CT）. The intensity and direction of SN and HSN as well as the unilateral weakness（UW） and direction preponderance（DP） values in caloric test was analyzed in patients. Results:Among the 198 patients with vestibular peripheral disease, there were 105 males and 93 females, with an average age of（49.1±14.4） years （range: 14-87 years）. One hundred and thirty seven patients were diagnosed as Vestibular Neuritis（VN）, 12 as Meniere's Disease（MD）, 41 as sudden deafness（SD） and 8 as Hunt's syndrome accompanied by vertigo. Among them, there were 116 patients in the acute phase, including 68 cases（58.6%） with decreased HSN, 4 cases（3.4%） with increased HSN, 5 cases（4.3%） with biphasic HSN, 38 cases（32.8%） with unchanged HSN, and 1 case（0.9%） with perverted HSN. There were 82 cases in the non-acute phase, 51 cases（62.2%） with decreased HSN, 3 cases（3.6%） with increased HSN, 9 cases（11.0%） with biphasic HSN, and 19 cases（23.2%） with unchanged HSN. In biphasic HSN, the intensity of phase I nystagmus was usually greater than that of phase II, and the difference was statistically significant（P<0.01）. There was no correlation between HSN type and course of disease or DP value. The intensity of HSN was negatively correlated with the course of disease（r=-0.320, P<0.001） and positively correlated with DP value（r=0.364, P<0.001）, respectively. The intensity of unchanged nystagmus and spontaneous nystagmus were（8.0±5.7） °/s and（8.5±6.4）°/s, respectively. There was no statistically significant difference in the intensity of nystagmus before and after shaking the head. Conclusion:HSN can be classified into five types and could be regarded as a potential SN within a specific frequency range （mid-frequency）. Similarly, SN could also be considered as a common sign of unilateral vestibular impairment at different frequencies. HSN intensity can reflect the dynamic process of vestibular compensation, and is valuable for assessing the frequency of damage in peripheral vestibular diseases and monitoring the progress of vestibular rehabilitation.
Male ; Female ; Humans ; Adult ; Middle Aged ; Vestibular Function Tests ; Retrospective Studies ; Nystagmus, Pathologic/diagnosis* ; Vertigo/diagnosis* ; Electronystagmography ; Vestibular Diseases/diagnosis*

Objective:To evaluate the intestinal function in rats with exertional heat stroke (EHS) and explore the protective role of Ruifuping pectin (RFP) against heat related intestinal mucosal injury.Methods:One hundred and twenty healthy special pathogen free (SPF) male Sprague-Dawley (SD) rats were randomly divided into normothermic control group, EHS model group, hyperthermic plus drinking water group (H 2O+EHS group) and hyperthermic plus pectin group (RFP+EHS group) with 30 rats in each group. The rats in the H 2O+EHS group and RFP+EHS group were given water 20 mL/kg or RFP 20 mL/kg orally for 5 days during adaptive training period. After 1 week, the temperature control range was adjusted to (37±1)℃ using the temperature control treadmill, and the rat model of EHS was reproduced by one-time high temperature exhaustive exercise. No rehydration intervention was given during the training adaptation period in the EHS model group. The rats in the normothermic control group were maintained to room temperature (25±2)℃ and humidity (55±5)% without other treatment. Behavior tests including withdraw response, righting, and muscle strength were performed immediately after onset of EHS. Blood of inferior vena cava was collected, and the serum inflammatory cytokines [tumor necrosis factor-α (TNF-α) and interleukins (IL-6, IL-1β, IL-10)] and activity of diamine oxidase (DAO) were detected by enzyme linked immunosorbent assay (ELISA). The intestinal mucosa was collected, after hematoxylin-eosin (HE) staining, and Chiu score was performed to assess EHS induced pathological changes under light microscope. Results:The rats in the EHS model group had behavioral, inflammatory and pathological changes, such as delayed withdraw response and righting, decreased forelimb pulling, increased inflammatory index, and obvious intestinal mucosal injury, which indicated that the reproduction of the EHS model was successful. There was no significant difference in above parameters between the H 2O+EHS group and the EHS model group except that the inflammatory index in the RFP+EHS group was improved. Compared with the EHS model group, the withdraw reflex to pain and righting after RFP pretreatment in the RFP+EHS group were significantly improved (righting score: 1.4±0.2 vs. 0.3±0.2, withdraw reflex to pain score: 1.0±0.1 vs. 0.2±0.1, both P < 0.05), the muscle strength was significantly increased (N: 13.0±0.5 vs. 8.2±0.6, P < 0.01). The levels of pro-inflammatory factors in the RFP+EHS group were significantly lower than those in the EHS model group [TNF-α (ng/L): 67.5±9.2 vs. 194.3±13.7, IL-6 (ng/L): 360.0±54.1 vs. 981.2±84.4, IL-1β (ng/L): 33.7±9.0 vs. 88.7±6.1, all P < 0.01], while the level of anti-inflammatory factor IL-10 was higher than that in the EHS model group (ng/L: 208.7±10.5 vs. 103.7±7.0, P < 0.01). The degree of intestinal mucosal injury in the RFP+EHS group was less severe than that in the EHS model group, and the Chiu score and DAO were significantly lower than those in the EHS model group [Chiu score: 1.5±0.2 vs. 3.8±0.0, DAO (U/L): 83.7±6.7 vs. 128.7±10.5, both P < 0.05]. Conclusions:High temperature training can damage the intestinal barrier function, and induce endotoxemia and systemic inflammatory response syndrome (SIRS) in rats. Oral prophylactic RFP can protect the intestinal barrier function, alleviate SIRS, and promote the recovery of basic nerve reflex and muscle strength after the occurrence of EHS in rats.

OBJECTIVES: Clarifying the expression of breast cancer receptor is the key to clinical treatment for breast cancer. This study aims to explore the correlation between X-ray and clinical characteristics of 4 molecular subtypes and their receptor types of breast cancer. METHODS: A total of 439 breast cancer patients who confirmed by pathology and performed X-ray examination were enrolled. The X-ray and clinical characteristics of 4 molecular subtypes and the expression of their receptors were analyzed. RESULTS: Luminal A type showed the highest proportion of spiculate masses, and the lowest calcification score, showing significant difference with other 3 subtypes (all CONCLUSIONS Four molecular subtypes of breast cancer and their receptor expressions are correlated with X-ray and clinical characteristics, which can provide a basis for clinical diagnosis and treatment.
Biomarkers, Tumor ; Breast Neoplasms/genetics* ; Female ; Humans ; Receptor, ErbB-2/genetics* ; Receptors, Estrogen ; Receptors, Progesterone ; X-Rays

Objective:To understand the current practice of preoperative bowel preparation in elective colorectal surgery in China.Methods:A cross-sectional questionnaire survey was conducted through wechat. The content of the questionnaire survey included professional title of the participants, the hospital class, dietary preparation and protocol, oral laxatives and specific types, oral antibiotics, gastric intubation, and mechanical enema before elective colorectal surgery. A stratified analysis based on hospital class was conducted to understand their current practice of preoperative bowel preparation in elective colorectal surgery.Result:A total of 600 questionnaires were issued, and 516 (86.00%) questionnaires of participants from different hospitals, engaged in colorectal surgery or general surgeons were recovered, of which 366 were from tertiary hospitals (70.93%) and 150 from secondary hospitals (29.07%). For diet preparation, the proportions of right hemicolic, left hemicolic and rectal surgery were 81.59% (421/516), 84.88% (438/516) and 84.88% (438/516) respectively. The average time of preoperative dietary preparation was 2.03 days. The study showed that 85.85% (443/516) of surgeons chose oral laxatives for bowel preparation in all colorectal surgery, while only 4.26% (22/516) of surgeons did not choose oral laxatives. For mechanical enema, the proportions of right hemicolic, left hemicolic and rectal surgery were 19.19% (99/516), 30.04% (155/516) and 32.75% (169/516) respectively. Preoperative oral antibiotics was used by 34.69% (179/516) of the respondents. 94.38% (487/516) of participants were satisfied with bowel preparation, and 55.43% (286/516) of participants believed that preoperative bowel preparation was well tolerated. In terms of preoperative oral laxatives, there was no statistically significant difference between different levels of hospitals [secondary hospitals vs. tertiary hospitals: 90.00% (135/150) vs. 84.15% (308/366), χ 2=2.995, P=0.084]. Compared with the tertiary hospitals, the surgeons in the secondary hospitals accounted for higher proportions in diet preparation [87.33% (131/150) vs. 76.78% (281/366), χ 2=7.369, P=0.007], gastric intubation [54.00% (81/150) vs. 36.33% (133/366), χ 2=13.672, P<0.001], preoperative oral antibiotics [58.67% (88/150) vs. 24.86% (91/366), χ 2=12.259, P<0.001] and enema [28.67% (43/150) vs. 15.30% (56/366), χ 2=53.661, P<0.001]. Conclusion:Although the preoperative bowel preparation practice in elective colorectal surgery for most of surgeons in China is basically the same as the current international protocol, the proportions of mechanical enema and gastric intubation before surgery are still relatively high.

Objective:To explore the safety and feasibility of indocyanine green (ICG) injection through accessory incision in laparoscopic right hemicolectomy.Methods:A descriptive case series study was carried out. Clinicopathological data of 29 patients with colon cancer undergoing right hemicolectomy at Department of General Surgery, Guangdong Provincial People's Hospital were retrospectively analyzed. All the patients received ICG injection through accessory incision at the beginning of operation.Results:Among 29 patients, 13 were male and 16 were female with a mean age of (60.8±7.7) years and mean body mass index of (24.3±2.8) kg/m 2; 3 were stage I, 19 were stage II, 7 were stage III. Pericolic, intermediate and main lymph nodes could be detected under near infrared fluorescence imaging (NIRFI) in all the cases. No.6 lymph nodes were observed in 3 cases, while no lymph nodes around superior mesenteric vein (SMV) were found. The average number of fluorescent lymph node was 14.2±6.1. The average developing time of fluorescence was (36.2±3.7) minutes. The average number of harvested lymph nodes was 22.4±8.2. There was no extravasation of imaging agent during the operation, and there were no intraoperative complications such as allergies, massive abdominal bleeding, peripheral organ damage, etc. Operative time was (113.1±10.7) minutes, blood loss during operation was (22.4±3.9) ml, ambulatory time was (1.2±0.4) days, time to the first flatus was (1.7±0.7) days, time to the first fluid diet was (0.7±0.4) days, and postoperative hospital stay was (5.8±1.5) days. No operation-associated complications such as anastomotic bleeding, anastomotic leakage, peritoneal bleeding, peritoneal infection, incision infection occurred after operation. Conclusion:ICG injection through accessory incision in laparoscopic right hemicolectomy is safe and feasible.

Objective:To understand the current practice of preoperative bowel preparation in elective colorectal surgery in China.Methods:A cross-sectional questionnaire survey was conducted through wechat. The content of the questionnaire survey included professional title of the participants, the hospital class, dietary preparation and protocol, oral laxatives and specific types, oral antibiotics, gastric intubation, and mechanical enema before elective colorectal surgery. A stratified analysis based on hospital class was conducted to understand their current practice of preoperative bowel preparation in elective colorectal surgery.Result:A total of 600 questionnaires were issued, and 516 (86.00%) questionnaires of participants from different hospitals, engaged in colorectal surgery or general surgeons were recovered, of which 366 were from tertiary hospitals (70.93%) and 150 from secondary hospitals (29.07%). For diet preparation, the proportions of right hemicolic, left hemicolic and rectal surgery were 81.59% (421/516), 84.88% (438/516) and 84.88% (438/516) respectively. The average time of preoperative dietary preparation was 2.03 days. The study showed that 85.85% (443/516) of surgeons chose oral laxatives for bowel preparation in all colorectal surgery, while only 4.26% (22/516) of surgeons did not choose oral laxatives. For mechanical enema, the proportions of right hemicolic, left hemicolic and rectal surgery were 19.19% (99/516), 30.04% (155/516) and 32.75% (169/516) respectively. Preoperative oral antibiotics was used by 34.69% (179/516) of the respondents. 94.38% (487/516) of participants were satisfied with bowel preparation, and 55.43% (286/516) of participants believed that preoperative bowel preparation was well tolerated. In terms of preoperative oral laxatives, there was no statistically significant difference between different levels of hospitals [secondary hospitals vs. tertiary hospitals: 90.00% (135/150) vs. 84.15% (308/366), χ 2=2.995, P=0.084]. Compared with the tertiary hospitals, the surgeons in the secondary hospitals accounted for higher proportions in diet preparation [87.33% (131/150) vs. 76.78% (281/366), χ 2=7.369, P=0.007], gastric intubation [54.00% (81/150) vs. 36.33% (133/366), χ 2=13.672, P<0.001], preoperative oral antibiotics [58.67% (88/150) vs. 24.86% (91/366), χ 2=12.259, P<0.001] and enema [28.67% (43/150) vs. 15.30% (56/366), χ 2=53.661, P<0.001]. Conclusion:Although the preoperative bowel preparation practice in elective colorectal surgery for most of surgeons in China is basically the same as the current international protocol, the proportions of mechanical enema and gastric intubation before surgery are still relatively high.

Objective:To explore the safety and feasibility of indocyanine green (ICG) injection through accessory incision in laparoscopic right hemicolectomy.Methods:A descriptive case series study was carried out. Clinicopathological data of 29 patients with colon cancer undergoing right hemicolectomy at Department of General Surgery, Guangdong Provincial People's Hospital were retrospectively analyzed. All the patients received ICG injection through accessory incision at the beginning of operation.Results:Among 29 patients, 13 were male and 16 were female with a mean age of (60.8±7.7) years and mean body mass index of (24.3±2.8) kg/m 2; 3 were stage I, 19 were stage II, 7 were stage III. Pericolic, intermediate and main lymph nodes could be detected under near infrared fluorescence imaging (NIRFI) in all the cases. No.6 lymph nodes were observed in 3 cases, while no lymph nodes around superior mesenteric vein (SMV) were found. The average number of fluorescent lymph node was 14.2±6.1. The average developing time of fluorescence was (36.2±3.7) minutes. The average number of harvested lymph nodes was 22.4±8.2. There was no extravasation of imaging agent during the operation, and there were no intraoperative complications such as allergies, massive abdominal bleeding, peripheral organ damage, etc. Operative time was (113.1±10.7) minutes, blood loss during operation was (22.4±3.9) ml, ambulatory time was (1.2±0.4) days, time to the first flatus was (1.7±0.7) days, time to the first fluid diet was (0.7±0.4) days, and postoperative hospital stay was (5.8±1.5) days. No operation-associated complications such as anastomotic bleeding, anastomotic leakage, peritoneal bleeding, peritoneal infection, incision infection occurred after operation. Conclusion:ICG injection through accessory incision in laparoscopic right hemicolectomy is safe and feasible.

Objective To investigate the correlation between the expression of (epidermal growth factor receptor-2,HER-2) and clinicopathological features and survival of colorectal cancer.Methods From Jan 2005 to Dec 2015,all colorectal cancer cases were enrolled that the expression levels of HER-2 were detected in Guangdong Provincial People's Hospital.Clinicopathological features of the tumors and survival of the patients were analyzed.Results A total of 1 463 cases were collected in 10 years,including 711 cases (48.6％) of HER-2 (-),470 cases (32.1％) of HER-2 (+),249 cases (17％) of HER-2 (+ +),and 33 cases (2.3％) of HER-2 (+ + +).Correlation analysis shows that the expression levels of HER-2 were significantly correlated with tumor differentiation and the depth of tumor invasion(T stage),but not correlated with gender,age,tumor location,N stage,M stage,TNM stage and overall survival,and disease-free survival.Conclusion The expression of HER-2 may be related to tumor differentiation and growth infiltration,but it cannot be used as a predictor of prognosis in patients with colorectal cancer.

Objective To explore the clinical effect of enhanced recovery after surgery and pain management during the perioperative period in rectal cancer patients.Methods 100 rectal cancer patients after radical resection were divided into ERAS group (50 cases) and routine care group (50 cases).Results Compare with the routine group,the time of ERAS group was shorter in postoperative bowel function recovery [(1.8 ± 0.6) d vs.(3.4 ± 0.6) d,t =-8.1,P ＜ 0.001],oral feeding [(1.3 ± 0.6) d vs.(3.2 ± 0.6) d,t =-10.1,P ＜ 0.001],intraperitoneal catheter drain [(3.6 ± 0.7) d vs.(5.3 ±0.8) d,t=-6.7,P＜0.001] and mobilization[(1.1 ±0.3)d vs.(2.7 ±0.5) d,t=-12.7,P＜0.001].ERAS group was associated with shorter hospital stay [(4.6 ± 0.6) d vs.(6.1 ± 0.6) d,t =-7.7,P ＜ 0.001],lower costs (P =0.014),lower pain score at the time of 6 h,12 h,24 h and 48 h after surgery (P ＜0.001).There was no significant statistical difference in postoperative complication rate 8％ and 10％ (P =1.000).Conclusions ERAS management in rectal cancer patients after radical operation enhanced postoperative recovery.

Objective To compare the effect of laparoscopy-assisted gastrectomy (LAG) and open D2 radical gastrectomy (OG) for gastric cancer.Methods The retrospective cohort study was conducted.The clinicopathological data of 117 patients who underwent D2 radical gastrectomy at the Guangdong General Hospital from January 2014 to December 2014 were collected.Of 117 patients,60 undergoing LAG and 57 undergoing OG were respectively allocated into the LAG group and OG group.Total gastrectomy,distal subtotal gastrectomy and proximal subtotal gastrectomy were performed according to the location of the tumor.The perigastric lymph nodes dissection was performed according to the Japanese " Gastric cancer treatment protocol" (the 14th edition).Eligible patients received the adjuvant chemotherapy of XELOX regimen according to the Guideline published by National Comprehensive Cancer Network (NCCN).Observation indicators:(1) comparison of intra-and postoperative recovery between groups;(2) stratified analysis of number of lymph node dissected;(3) relationship among surgical method,number of lymph node dissected and postoperative complication;(4) follow-up and survival.Follow-up using outpatient examination and telephone interview was performed to detect the postoperative adjuvant chemotherapy,tumor-free survival and tumor recurrence or metastasis up to December 2016.Measurement data with normal distribution were represented as (x)± s and comparison between groups was analyzed using the independent-sample t test.Count data were analyzed using the chi-square test or Fisher exact probability.The relationship between number of lymph node dissected and postoperative complication was done using the Logistic regression model.Results (1) Comparison of intra-and post-operative recovery between groups:all the patients completed the operation successfully.Volume of intraoperative blood loss,time to postoperative anal exsufflation and duration of postoperative hospital stay were (113±36) mL,(4.3±2.1) days,(9.7±2.9) days in the LAG group and (209 ± 77) mL,(5.3 ± 2.2) days,(11.2 ± 3.9) days in the OG group,respectively,with statistically significant differences between groups (t =6.850,-2.604,-2.405,P＜0.05).Number of lymph node dissected,numbers of patients with overall complication,incisional infection,intestinal obstruction,digestive tract fistula,intra-abdominal bleeding,cardiovascular accident,pulmonary infection,urinary tract infection and death within postoperative 30 days were respectively 31±7,6,1,0,4,0,0,1,0,0 in the LAG group and 34±6,12,0,1,2,2,1,4,1,1 in the OG group,with no statistically significant difference between groups (t=0.177,x2=2.743,0.126,0.563,0.837,P＞0.05).All the patients with complications received symptomatic treatment,1 patient with abdominal bleeding in the OG group died and other patients recovered smoothly.(2) Stratified analysis of number of lymph node dissected:number of lymph node dissected in patients with total gastrectomy,distal subtotal gastrectomy and proximal subtotal gastrectomy were 35±8,29±5,27±4 in the LAG group and 34± 5,34±6,29±6 in the OG group,respectively,with no statistically significant difference between groups (t =0.846,1.052,0.934,P＞0.05).Number of lymph node dissected in patients with stage Ⅰ,Ⅱ and Ⅲ of TNM staging were respectively 31±5,32±9,31±6 in the LAG group and 34±7,32±4,35±6 in the OG group,with no statistically significant difference between groups (t =0.494,1.657,0.136,P＞0.05).(3) Relationship among surgical method,number of lymph node dissected and postoperative complication:surgical method (LAG and OG) and number of lymph node dissected were used as the independent variable and postoperative complication between groups was used as the dependent variable,the Logistic regression model showed that surgical method and number of lymph node dissected were not related factors affecting the postoperative complication (OR =1.062,2.049,95％ confidence interval:0.998-1.140,0.695-6.042,P＞0.05).(4) Follow-up and survival:108 of 117 patients (54 in each group) were followed up for 2-35 months,with a median time of 28 months.During the follow-up,numbers of patients undergoing postoperative adjuvant chemotherapy,with tumor-free survival and with tumor recurrence were 45,43,10 in the LAG group and 42,42,10 in the OG group,respectively,with no statistically significant difference in the tumor-free survival and tumor recurrence between groups (x2 =0.055,0.002,P＞0.05).Conclusion Laparoscopy-assisted D2 radical gastrectomy is safe and feasible,which equivalent to clinical effect of open radical gastrectomy,meanwhile,it also can reduce volume of intraoperative blood loss and duration of postoperative hospital stay,and accelerate recovery of postoperative gastrointestinal function.