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Experimental study on survival time and mortality of conscious rats immersed in different cold seawater

Lina CHEN ; Jianbo HUAN ; Chenghe SHI ; Wei DAI ; Danfeng YUAN ; Jihong ZHOU ; Zhihai HAN

Journal of Regional Anatomy and Operative Surgery.2017;26(7):469-474. doi:10.11659/jjssx.03E017078

Objective To observe the effects of seawater immersion at different temperatures on survival time and mortality and physiological state of non-anesthetized rats.Methods Totally 100 SD male rats(The abdominal cavity was implanted with a temperature sensor in advance)were randomly divided into five groups which were immersed in 20 ℃,17 ℃,15 ℃,13 ℃ and 10 ℃ seawater,respectively.Each group contains 20 rats.The changes of respiration,heart rate and muscle fibrillation within 2 hours were observed and the survival time and mortality of each group were counted in 24 hours.The decrease trend of intraperitoneal temperature in rats was analyzed retrospectively within 2 hours.Results Soaking for 10 minutes,the respiratory and heart rate of each group were significantly increased,but there was no significant difference among groups(P>0.05).The respiratory and heart rate decreased rapidly between 10 and 40 minutes,and the decline was slower relatively between 40 and 80 minutes.Soaking for 80 minutes,the respiration rate of rats among groups had significant difference(P<0.05).Immersing for 100 minutes,the heart rates of rats in each group were significantly different(P<0.05).Soaking for 20 minutes,the muscle fibrillation of 15 ℃,13 ℃ and 10 ℃ group reached the peak,and there were significant differences among groups(P<0.05),then disappeared.However the rats in 20 ℃ and 17 ℃ group reached the peak at 30 minutes,but there was no significant difference between two groups(P>0.05),hereafter the muscle fibrillation was maintained at a certain level.The mean survival time of 20 ℃ group,17 ℃ group,15 ℃ group,13 ℃ group and 10 ℃ group in 24 hours were(23.6±1.23)hours,(15.0±4.16)hours,(7.7±3.21)hours,(2.4±0.91)hours and (1.1±0.39)hours,respectively,and the survival curve of each group was statistically significant(P<0.05).The intraperitoneal temperature of rats showed a decline in the cliff,the lower the water temperature,the faster the descending.Soaking for 40 minutes,the difference of intraperitoneal temperature of each group was statistically significant(P<0.05).Conclusion The effects of seawater immersion at different temperatures on the physiological state and survival time and mortality of rats are significantly different.With the decrease of water temperature,the physiological state changes more obviously,the survival time is shorter and the mortality rate is higher.

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Plate-cable system for acromioclavicular joint dislocation based on the principle of anchor

Yingchao SHEN ; Qiang WANG ; Yiming MIAO ; Wei LU ; Xiaodong TANG

Journal of Regional Anatomy and Operative Surgery.2017;26(7):526-530. doi:10.11659/jjssx.10E016074

Objective To investigate the biomechanical characteristics of the acromioclavicular joint,put forward the treatment of acromioclavicular joint dislocation based on the principle of anchor and apply to clinic.Methods From August 2011 to March 2015,24 patients with the acromioclavicular joint dislocation in department of orthopedics of Chinese Medicine Hospital of Changshu were divided into the treatment group and the control group,with 12 cases in each group.The treatment group were treated by vertical suspension buttons steel cable system based on principle of anchor,while the control group were treated by the hook plate technology.The clinical results of the two groups were evaluated by Karlsson score system.Results All the patients were followed up for 6 to 12 months.In terms of the curative effect in the treatment group,there were 11 cases of excellent and 1 case of good,with the excellent and good rate of 100%,and no complication occured.In the control group,there were 7 cases of excellent and 3 case of good,with the excellent and good rate of 83.3%.And there was 1 case of subacromial osteolysis.Conclusion To treat acromioclavicular joint dislocation above Rockwood Ⅲ with vertical suspension buttons steel cable system based on principle of anchor may be an ideal treatment method.

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Subclavian artery steal syndrome patients with interventional therapy

Gong WANG ; Fei WEI ; Juan LIU

Journal of Regional Anatomy and Operative Surgery.2017;26(7):522-526. doi:10.11659/jjssx.04E017043

Objective To explore the feasibility and effect of intervention therapy for patients subclavian steal syndrome.MethodsThe data of 35 patients with subclavian artery steal syndrome in neurology department of our hospital from October 2014 to March 2016 were retrospectively analyzed.All patients treated with pecutaneous transtuminl angioplasty and stenting.The degree of vascular stenosis was measured by digital subtraction angiography, the inter-arm blood pressure was tested by mercury sphygmomanometer.And the clinical manifestations before and after surgery were compared.All patients were followed up for 1 to 12 months,the clinical manifestations,blood flow and vascular stenosis degree in patients were observed.Results All patients were finished pecutaneous transtuminl angioplasty and stenting successfully,7 patients with serious vascular stenosis treated with percutaneous intravascular balloon dilatation at first.The average artery stenosis before operation was(74.73±10.42)%,while it decreased to(8.60+3.16)% after surgery,which were measured by DSA,the difference was significant(P<0.01).The result from mercury sphygmomanometer showed that the inter-arm blood pressure from preoperative(44.43±10.12)mmHg to postoperative (10.09+4.80)mmHg (2~7 days),systolic blood pressure differential minified significantly,the difference was significant(P<0.01).All patients were followed up for 1 to 12 months,support forms of 34 cases were in good conditions without new narrow,1 case appeared narrow in postoperative 7 months,then recovered after reoperation;symptoms of 28 cases significantly improved or disappeared,5 cases partly alleviated,2 cases had recurrence,no serious complications such as thrombosis and severe infarction occurred.Conclusion The pecutaneous transtuminl angioplasty and stenting is stable,high successful and low short-term recurrence rate for subclavian steal syndrome,which is good to alleviate vascular stenosis,reduce interrm blood pressure difference and improve clinical manifestation.

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Application of Sextant system fixation for patients with thoracolumbar fractures in field comprehensive operation rescue shelter

Yanchun XIE ; Zhuo LI ; Anwu XUAN ; Yangyang ZHAO ; Hailong YU

Journal of Regional Anatomy and Operative Surgery.2017;26(7):518-521. doi:10.11659/jjssx.01E017055

Objective To discuss the short-term effect of Sextant system fixation for thoracolumbar fractures without neurological deficit in the field comprehensive operation rescue shelter.Methods There were 32 patients with thoracolumbar fractures without neurological deficit which rescued by our hospital.Those patients included 18 males and 14 females, with average age of (25.54±2.86) years old.All patients were undergoing internal fixation with Sextant system in the field comprehensive operation rescue shelter.Clinical and surgical evaluation including surgery time,intraoperative blood loss,postoperative ambulation time and wound healing time were observed.Functional outcomes of pre-operation and postoperation 3-days were evaluated by visual analog scale(VAS) and Oswestry disability index(ODI).Cobb angle and front height of fracture vertebral body were compared between pre-operation and postoperation 3-days.Results The operation time was (96.55±14.15)minutes, intraoperative blood loss was (45.25±3.55)mL, postoperative ambulation time was (1.20±0.61)days.There were statistical differences in terms of Cobb angle,front height of fracture vertebral body,VAS and ODI between pre-operation and postoperation 3 days.Conclusion The Sextant system fixation in the field comprehensive operation rescue shelter is a timely,safe and effective method for thoracolumbar fractures without neurological deficit,which is deserved to utilize at the scene when war or disaster urgency treatment.

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Application of self-made negative pressure drainage device for extremity soft tissue trauma

Huixin KANG ; Dandan PENG ; Yongxia CHEN ; Yuxin ZHANG

Journal of Regional Anatomy and Operative Surgery.2017;26(7):514-518. doi:10.11659/jjssx.02E017050

Objective To investigate the clinical value of self-made dressing negative pressure drainage technique in the treatment of the four limbs soft tissue trauma.Methods A total of 60 patients with the four limbs soft tissue trauma in our hospital from December 2013 to December 2014 were randomly divided into the observation group and control group.The observation group with 30 cases were treated with the self-made negative pressure drainage technique,and the control group with 30 cases received the conventional treatment.The pain score,wound healing rate,complication rate between two groups were compared.Results The pain score of the observation group was(1.17±0.22),which was lower than(3.17±0.49) of control group,the difference was statistically significant(P<0.05).The wound healing rate of observation group(73.33%) was higher than that of the control group(40%),the difference was statistically significant(P<0.05).The complication rate of observation group(3.33%) was lower than that of control group(23.33%),the difference was statistically significant(P<0.05).Conclusion The self-made dressing negative pressure drainage technique applied to the patients of four limbs soft tissue trauma can reduce the pain,shorten the healing time,and reduce the incidence of complications.

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Comparison of the prognosis of liver resection and transcatheter arterial chemoembolization for patients with Barcelona clinic liver stage C and portal vein tumor thrombus

Yi WANG ; Zhenhua YANG ; Shangzhu BO ; Jun XU ; Honggen QIU

Journal of Regional Anatomy and Operative Surgery.2017;26(7):509-513. doi:10.11659/jjssx.04E017011

Objective To investigate the long time prognosis of liver resection or transcatheter arterial chemoembolization(TACE) of Barcelona clinic liver cancer stage C(BCLC-C) patients who have portal vein tumor thrombsis.Methods Totally 86 BCLC-C patients who satisfied our including criteria from our surgical database of People's Hospital of Yichang City from January 2000 to September 2015 were selected as the research object.According to different treatment,86 patients were divided into liver resection group(n=50) and TACE group(n=36).The general information of two groups were compared.Cox multi-factors analysis and overall survival rate were calculated.ResultsThe long-term prognosis of liver resection group was better than that of TACE group(5-year OS:26% vs.0,P<0.001).Multi-factors analysis revealed that multiple tumors (HR:1.510,95%CI[1.120,2.316],P=0.020),AST>40 IU/L(HR:0.615,95%CI[0.488,1.206],P=0.013) as well as HBV-DNA>1 000(HR:1.204,95%CI:[0.920,2.540],P=0.038)were adverse factors for prognosis.ConclusionLiver resection is better than TACE for BCLC-C patients with portal vein tumor thrombosis.However,randomized controlled trial still need to be used to further confirm our conclusion.

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Comparison of transforaminal peripheral nerve stimulation and spinal cord stimulation for postherpetic neuralgia

Shuo TANG ; Dong YAN ; Jinglu CUI ; Hong GAO ; Donglin XIONG ; Xiang LIAO

Journal of Regional Anatomy and Operative Surgery.2017;26(7):505-508. doi:10.11659/jjssx.01E017027

Objective To compare the effects of transforaminal peripheral nerve stimulation(PNS) and spinal cord stimulation(SCS) in treatment of postherpetic neuralgia.Methods A total of 64 patients with postherpetic neuralgia in our hospital from January 2015 to January 2016 were divided into PNS group and SCS group according to random number table.Both two groups were treated with PNS or SCS for 14 days,respectively.Visual analogue scale(VAS) and piasburgh sleep quality index(PSQI) were adapted to assess the effects at the different time of preoperation, postoperation 1 day,1 week,1 month,2 months.Results At the preoperation and 2 months postoperation,in PNS group,the VAS were (8.4±1.6) and (1.4±1.0),the PSQI were (16.1±2.1) and (5.8±1.3),respectively;meanwhile in the SCS group,the VAS were (8.6±1.8) and (2.9±1.2),the PSQI were (15.6±2.3),(7.5±1.5),respectively.Obviously,the VAS and PQSI at different follow-up stages were improved after transforaminal PNS or SCS treatment, the differences were signicant(P<0.05).Moreover,the PNS group had lower VAS and higher PQSI compared with the SCS group at different follow-up stages,the differences were signicant(P<0.05).Conclusion The transforaminal PNS achieved satisfying outcomes on pain relief and quality of sleep improvements for the postherpetic neuralgia patients,which was superior to that of the SCS.

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Application of Luminex liquid chip technology in diagnosis and monitoring for patients with Crohn's disease

Guanrong DAI ; Dan ZHOU ; Hongliang DING ; Xiaoqiang YANG

Journal of Regional Anatomy and Operative Surgery.2017;26(7):479-482. doi:10.11659/jjssx.03E017049

Objective This study aimed to evaluate the clinical significance of detecting cytokine expression with Crohn's disease(CD) by Luminex liquid chip.Methods A total of 76 patients with CD and 50 healthy volunteers as healthy control group were recruited in this study.The expression of cytokines IL-2,IFN-γ,TNF-α,IL-4,IL-6,IL-10 and IL-17A were detected by Luminex liquid chip according to the instruction of MILLIPLEX MAP Kit.Enzyme-linked immunosorbent assay(ELISA) was used to detect the levels of anti-saccharomyces cerevisiae antibodies(ASCA).Then the relationship and differences among these groups were analyzed.Results Except IL-17A,the level of IL-2,IFN-γ,TNF-α,IL-4,IL-6,IL-10 was higher in the CD group than those in control group.The serum levels of IFN-γ,TNF-α and IL-6 in patients with active stage of CD group were significantly higher than those with remission stage and healthy control group.The level of TNF-α and IL-6 in moderate and severe stages were higher than those in slight stage.The serum level of ASCA had significant difference between CD group and control group.Compared with ASCA negative group,the ASCA positive patients have a higher level of IL-6 and TNF-α.ConclusionThe cytokines like IL-6 and TNF-α is correlated with CD severity,which is important for inflammatory activity and progression of CD.Altogether,these results demonstrated that the dynamic change of cytokines had a clear relativity in stage of CD,which is very imperative for diagnosis and clinical appraisal of CD.

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Digital morphological study of thoracic pedicle in children

Shaojie ZHANG ; Xing WANG ; Shifeng MA ; Yongqiang CAI ; Hongwei LIU ; Xiaoyan REN ; Zhijun LI

Journal of Regional Anatomy and Operative Surgery.2017;26(7):500-504. doi:10.11659/jjssx.10E016047

Objective To investigate the morphological regularity of the thoracic pedicle screw in 4 to 12 years old children by the digital technology,and to provide the theoreticl basis for thoracic pedicle screw fixation in children.Methods A total of 60 healthy children aged from 4 to 12 years old with computed tomography(CT) data of thoracic spine were divided into three groups by age,each group 20 cases.Then they were examined by MIMICS software and the parameters of pedicle width(PW),pedicle height(PH),the length of screw path(SL),e angle and f angle were measured.Results The pedicle width,pedicle height,the SL of the pedicle generally showed a rising trend with advancing age.There were significant differences in the PW,PH and LS between the three group(P<0.05).The PW decreased and then increased.The PH and the LS increased with the vertebral order increased.There was no significant difference in e angle and f angle between the three groups(P>0.05).E angle of the pedicle generally showed a decreasing trend with increasing vertebral order,and e angle of T11 to T12 showed negative angle.The f angle showed a wavy descending trend.Conclusion There was significant difference in correlation parameters of thoracic pedicle with increasing age in healthy children,which indicates that the pedicle screw fixation for the kind of children should be performed based on 'the Principle of individualization' to improve the success rate of surgery.

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Clinicopathological features of oncocytic mucoepidermoid carcinoma

Lihua ZHANG ; Kun LI ; Zhenzheng WANG

Journal of Regional Anatomy and Operative Surgery.2017;26(7):496-499. doi:10.11659/jjssx.12E016077

Objective To investigate the clinicopathological features,immunophenotype,diagnosis and differential diagnosis of oncocytic mucoepidermoid carcinoma(OMEC).Methods A case of OMEC was studied for clinicopathological and immunohistochemical features,the available literature on this subject was reviewed as well.Results Magnetic resonance imaging revealed a well-defined mass,measured 1 cm×1 cm,within the right submandibular gland.The patient was underwent the total mass and the right submandibular gland resections.On macroscopic examination,the well-defined tumor was gray-yellowish on cut surface with hard consistence and was sized 1 cm×1 cm×0.8 cm.The uncapsulated tumor was mainly solid with focal microcysts on cut surface.Microscopically,the tumor consisted of nests,sheets,and occasional microcysts of oncocytic cells.Focally,intermediate cells,mucilage cell and epidermoid cell were also present.Immunohistochemically,the oncocytic cells were diffusely and intensely positive for CK(AE1/AE3),EMA and P63.By histochemical staining,the oncocytic cells were positive for PTAH staining,and mucilage cell were positive for PAS staining.Conclusion The OMEC is an exceedingly rare variant of mucoepidermoid carcinoma with a good prognosis and should be differentiated from oncocytoma,oncocytic carcinoma,Warthin's tumor with mucinous metaplasia,pleomorphic adenoma,oncocytic myoepithelioma and myoepithelial carcinoma,et al.

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