ABSTRACT
Objective:To analyze the early outcomes of self-made false lumen embolization device for occlusion the false lumen in chronic Stanford type B aortic dissection.Methods:A retrospective study analyzed 10 patients, there were 9 males and 1 female, with an average age of (52±10) years, aged from 39-69 years. Those 10 patients were diagnosed with chronic Stanford type B aortic dissection between June 2020 and July 2023, which presented with persistent false lumen backflow in the thoracic aortic segment, and persistent dilation or rupture of dissected aneurysms in our center. False lumen occlusion was performed using self-made false lumen embolization device. Primary endpoints index were technical success rate and clinical success rate. Secondary endpoints observation index were 30-day mortality and morbidity.Results:Over a mean 6-month follow-up (range 0-32 months) in 10 patients, the technical success rate was 90%. One patient occurred minor false lumen backflow in the intraoperative angiography and it exceeds the embolization device, but it was disappeared through conservative treatment during follow up period. The clinical success rate was 90%, 9 patients attained completely thrombosed at the thoracic segment while another 1 patient was manifested as partially thrombosed in false lumen. There were no intraprocedural death cases and 1 patient occurred paraparesis during perioperative period.Conclusion:It was a safe, effective and easy to achieve in the treatment of chronic Stanford type B aortic dissection using self-made false lumen embolization device, especially it is suitable for patients with chronic Stanford type B aortic dissection required emergent handling in the setting of rupture.
ABSTRACT
Objective:To explore the strategies for the treatment of difficult iliac artery approach in endovascular repair of abdominal aortic aneurysm.Methods:The clinical data of 275 patients with abdominal aortic aneurysm who underwent endovascular surgery at the Department of Vascular Surgery, People′s Hospital of Xinjiang Uygur Autonomous Region from March 2010 to March 2019 were retrospectively analyzed, and the general clinical data such as age, gender, and comorbidities of the patients were recorded. The resource index was to carry out corresponding measures to perform surgery for patients with difficult access, analyze the incidence of the type of difficult access, treatment measures and effects.Results:Two hundred and seventy-five patients underwent endovascular repair, 78 of them (28.3%) had difficulty in accessing the iliac artery, including 29 cases (10.5%) with mild iliac artery stenosis, 7 cases (2.54%) with severe stenosis, and 3 cases with occlusion ( 1.09%), 39 cases (14.2%) were twisted. For patients with vascular twist, super-hard guide wire was used to correct iliac artery angulation. For patients with iliac artery stenosis, balloon dilation was performed. For severe stenosis, the artificial blood vessel was passed through the lateral peritoneum. After road transplantation, stent placement and other treatments were successfully performed endovascular repair.Conclusions:Pathway vascular disease can cause difficulties in endovascular treatment of abdominal aortic aneurysms. Endovascular repair can be successfully performed after corresponding treatments according to different difficulties, and the long-term patency rate is good.
ABSTRACT
Objective:To investigate and compare the efficacy and safety of percutaneous mechanical thrombectomy (PMT) combined with catheter directed thrombolysis and catheter directed thrombolysis alone in the treatment of acute lower extremity deep venous thrombosis.Methods:Retrospective analysis of clinical data of 69 patients with acute lower extremity deep venous thrombosis who met the inclusion criteria of this study from January 2018 to December 2018 in department of vascular surgery, People′s Hospital of Xinjiang Uygur Autonomous Region was performed. There were 35 males and 34 females, with an average age of 59 years and an age rang of 20 to 80 years. Patients were divided into PMT combined catheter directed thrombolysis treated group ( n=38) and catheter directed thrombolysis treated group ( n=31) according to different methods of intra-luminal thrombolysis. The thrombolysis time, dosage of urokinase, thrombotic clearance rate, perimeter difference of suffered limb, and total number of adverse events during perioperative period between two groups were recorded. At 1 month, 3 months, and 6 months after discharge, patients underwent an ultrasonographic examination of lower extremity vessels to check and evaluate residual thrombolysis and thrombosis recurrence by outpatient review. The quantitative data in the two groups were expressed as mean±standard deviation( Mean± SD), t test was used for comparison between groups. Enumeration data in the two groups were expressed as percentage (%) and χ2 test was used for comparison between groups. Results:The thrombolysis time of PMT combined catheter directed thrombolysis treated group and catheter directed thrombolysis treated group were (3.7±2.1) d and (5.2±2.1) d, respectively. The differences between the two groups were statistically significant ( P=0.005). The dosage of urokinase were respectively (225.0±122.3)×10 4 units and (315.8±108.6)×10 4 units, the differences were statistically significant ( P=0.001). PMTⅠ, Ⅱ, Ⅲ thrombus clearance rate in patients with PMT combined catheter directed thrombolysis treated group were 18.4% (7/38), 73.7% (28/38), 7.9% (3/38), while 16.1% (5/31), 77.4% (24/31), 6.5% (2/31) were observed in patients with catheter directed thrombolysis treated group, with no statistically significant difference between the two groups ( P= 0.803, P=0.720, P=0.818). After a period of 48h thrombolytic therapy, the cross-section diameters of suffered thigh and calf were (2.16±0.87) cm and (1.38±0.66) cm in PMT combined catheter directed thrombolysis treated group respectively. While the cross-section diameters of suffered thigh and calf were (1.21±0.59) cm and (1.02±0.49) cm in catheter directed thrombolysis treated group respectively. The differences in the cross-section diameters of suffered thigh and calf were statistically significant after a period of 48h thrombolytic therapy ( P<0.001, P=0.014). Three cases (7.89%) had occurred adverse events during perioperative period in PMT combined catheter directed thrombolysis treated group, while there were 4 cases (12.90%) in catheter directed thrombolysis treated group, with no statistically significant difference between two groups ( P=0.692). The six month follow-up rate of PMT combined with catheter directed thrombolysis treated group was 71.05%(27/38), while that of the catheter directed thrombolysis treated group was 64.52% (20/31), with no statistically significant difierence between the two groups ( P=0.532). During the six month of follow-up, the recurrence rate of thrombus in PMT combined catheter directed thrombolysis treated group (3/27, 11.11%) was lower than those patients in catheter directed thrombolysis treated group (3/20, 15.00%), with no statistically significant difference between the two groups ( P=0.693). Conclusions:Compared with catheter directed thrombolysis treated group, PMT combined catheter directed thrombolysis treated group has a similar clinical efficacy for treatment of acute lower extremity deep venous thrombosis. PMT combined catheter directed thrombolysis treated group has advantages of reducing dosage of urokinase, shortening duration of thrombolysis time and relieving the swelling of suffered limb in a short time rather than catheter directed thrombolysis treated group. It shows a great result in the short term follow up.
ABSTRACT
Objective Verification the changes in expression and mechanism of serum inflammatory factor IL-1 beta and related biomarkers by establishing an animal model of deep vein thrombosis (DVT) in lower extremity of rats.Methods Seventy male SPF SD rates,weighing (200 ± 20) g,randomly divided into groups of ten and made each group of rats equal in weight.Recorded as control group,sham operation group,model experiment 2,8,24,48,72 h group.The control group was fed normally without any treatment;the sham operation group,laparotomy was performed without vein ligation;the model experimental group was divided into different groups according to different time periods.The model of venous thrombosis of lower extremities was established through venous ligation surgery in rats,they were sacrificed at the 2 hours,8 hours,24 hours,48 hours and 72 hours after the modeling,and blood samples and tissues were collected.The expression levels of IL-1 β,tissue factor and xanthine oxidase (XOD) in blood samples of 7 groups of rats were measured by ELISA.DVT morphology were analyzed by Pathology,flow cytometry were used to count peripheral blood circulating endothelial cells in rats separated after injury.The expressions of IL-1 β,tissue factor,XOD,pathological and flow results were compared between the normal control group,the sham operation group and the lower extremity deep vein thrombosis model group at different time periods.All data were represented by mean standard deviation (Mean ± SD).One-way anova was performed on the measurement data,and the LDS method was used to compare the two pairs.The test level was α =0.05.Results IL-1β,tissue factor,XOD showed no significant difference between the control group and the sham operation group,P > 0.05.The model experimental group showed an upward trend in the process of 2 h-24 h and reached a peak value at 24 h.The histopathology showed that red thrombus and mixed thrombus could be seen within 2 h-48 h in the thrombosis model experiment group.The blood vessel wall was accompanied by inflammatory cell infiltration.After 72 h,the thrombus was obviously organized.The CD31 concentration of the control group and the sham operation group were (4.04 ± 1.00),(4.82 ± 1.12),and the difference between the two difference between the two groups was not statistically significant (P < 0.05);the CD31 concentration of model experimental group had significant differences from 2 h,(5.188 ±0.895);8 h,(5.614 ± 1.243);24 h,(9.785 ± 1.996);48 h,(14.198 ± 2.172);72 h,(18.118 ± 1.025),it continued to increase,P < 0.05.Conclusion High expression of inflammatory IL-1β and related markers tissue factor,XOD confirmed the mechanism of injury of deep venous endothelial cells in lower extremities caused by IL-1β and the mechanism of further aggravation of thrombosis after injury.
ABSTRACT
Objective To analysis the role of hydrogen sulfide in the process of venous thrombosis and the correlation with homocysteine.Methods A retrospective case-control study was carried on deep venous thrombosis patients and healthy population in the People's Hospital of Xinjiang Uygur Automous Region from March 2015 to November 2016,which including 169 patients and 169 health persons.Detected the concentration of hydrogen sulfide and homocysteine in plasma of study population,compared their differences in the two groups by using single-factor analysis,and analysed the correlation of the concentration between hydrogen sulfide and homocysteine.The median and quartile spacing were used to express values with abnormal distribution,and Mann-Whitney U test was performed between groups.Pearson or Spearman correlation coefficient were used to describe the correlation between two variables.Results The Plasma concentrations of hydrogen sulfide in both groups were 29.30 nmol/ml (23.89,37.82),32.99 nmol/ml (26.29,39.68) and the plasma concentrations of homocysteine were 15.37 μmol/L(11.64,19.68),12.13 μmol/L(9.65,15.95),their concen trations in two groups have statistic difference (P < 0.05) and were risk factors for deep venous thrombosis;the plasma concentration of hydrogen sulfide and homocysteine was negatively correlated(P < 0.05).Conclusion The plasma concentration of hydrogen sulfide is associated with deep venous thrombosis and a protective factor for deep venous thrombosis;there is a negative correlation between plasma homocysteine and hydrogen sulfide,they may play an interactional role in the process of thrombosis.
ABSTRACT
Objective To discuss the application of double parallel stent for preserving arch branch vessels during thoracic endovascular aortic repair.Methods During the period from June 2015 to June 2016,double parallel stents were carried out in 9 cases at department of vascular surgery,the People's Hospital of Xinjiang Uygur Autonomous Region.Results One patient died of an acute ischemic stroke and subsequently resulted in multiple organ failure after thoracic endovascular aortic repair.Eight patients received an aorta CT angiography during follow up at 1,3,6 months.During follow up,the patency rate for double parallel stents was 100%.There were no endoleak in 8 cases.Conclusion Double parallel stents are suited to patients with emergency situation and unsuited to open surgery in complicated aortic arch pathologies.Surgical approach is determined by preoperative evaluation.Prevention of endoleak and stroke is important in all cases.
ABSTRACT
Objective Study of interleukin-6 (IL-6),erythrocyte sedimen-tation rate (ESR),C-reactive protein (CRP) in diagnosis and treatment of abdominal aortic aneurysm.Methods Between June 2014 and May 2016,we detected of abdominal aortic aneurysm in 62 cases that were diagnosed and treated at Department of Vascular Surgery,People's Hospital of Xinjiang Uygur Autonomous Region including interleukin-6,erythrocyte sediinen-tation rate,and C-reactive protein.Results There was no significant difference between interleukin-6,erythrocyte sedimen-tation rate and C-reactive protein in the patients with and without complications.The correlation analysis results of interleukin-6,erythrocyte sedimen-tation and C-reactive protein were confirmed to have positive correlation respectively.Compared with non special types of rupture (48.0 ± 34.2) pg/ml,interleukin-6 was higher in special types of rupture (187.6 ± 110.4) pg/ml.Conclusions Preoperative detection of interleukin-6,erythrocyte sedimen-tation and C-reactive protein,combined with patient history and imaging examination were help for predict cause,choose better surgical approach and predict the prognosis in certain guiding significance.
ABSTRACT
Objective To investigate the clinical efficacy and clinical value of catheter-directed thrombolysis for acute lower limb deep venous thrombosis by the posterior tibial vein.Methods Atotal of 46 patints with acute deep venous thrombosis in the department of vecular surgery of People's hospital of the xinjiang uygur autonomous region,under the protection of the inferior vena cava fillters,we treated by catheter directed thrombosisthrough the posterior tibial vein with urokinase continuous infusion.Results In the total gourp of 46 patients,39 patients effectively relieve the swelling,7 of which was ineffective,and 4 cases of patients ease the swelling after the expansion by the iliac vein balloon,3 patients accepted the iliac vein balloon dilation and stent placement,6 patients who were bleeding were treated with pressure dressing,andthere was no other complications.After the treatment,the venous patency score was low,and the patency rate was high and which have a statistical difference (P < 0.05) before and after thrombolysis.Before and after thrombolytic therapy for lower limb swelling rate,there was statistically significant difference (P < 0.05).Conclusions It is a safe and effective method to treat the deep venous thrombosis of lower limbs with catheter-directed thrombolysis by the protection of inferior vena cava filter.It can enhance the patency of the vein and shorten the swelling time.
ABSTRACT
Objective To evaluate the relationship between the serum estradiol levels and susceptibility to thromboangitis obliterans(TAO) in a population of Uighurs from Xinjiang.Methods Clinical data were concluded 500 Uighur healthy male through the method of multistage and cluster sampling randomly in Xinjiang Kashi area,300 cases of Hans male came from the healthy physical examination in Xinjiang Uygurs Autonomous Region Pepole's Hospital,examining the serum estradiol levels and analysising whether had the statistical significance between Uygurs and Hans nationality.Results The estradiol levels of Uighur male was (31.49 ± 12.55) pg/ml,the hans was (26.68 ± 12.40) pg/ml,single factor analysis,the difference with plasma estradiol levels have statistical significance between ethnic groups (t =5.267,P <0.05),and serum estradiol levels of uygur people was higher than Hans,and the estradiol levels with different smokers and age groups,there was no statistically significant difference (t =0.346,F =1.820,P >0.05).Logistic regression analysis indicated that only ethnic difference have statistically significant influence on estradiol levels (P < 0.05).Conclusions The serum estradiol levels of Uighur healthy male in Xinjiang are higher than Hans.The high serum estradiol levels may be a susceptible factor of thromboangitis obliterans to Xinjiang Uygur.
ABSTRACT
Objective The objective of this article is to attempt to propose the endovascular repair principles of distal-end tear of Stanford type B aortic dissection.Methods The vascular surgery of xinjiang uygur autonomous region people's hospital received and cured 101 patients of Stanford B aortic dissection from January 2013 to January 2015.The patients are divided into two groups according different treatment principles:(1)There are 57 cases in sequential treatment group,performing endovascular repair of aortic tears from near to far,(if the tear at visceral artery is not treated then the distal-end tear is also not treated);(2) There are 44 cases in non-sequential treatment group,not performing endovascular repair of aortic tears from near to far (the tears involving visceral artery are not treated and the remaining distal-end tears are performed endovascular repair).After operation,carry out statistical analysis between two groups on the growth rate of aortic diameter of the coeliac axis,occurrence rate of main discomfort complaint,false lumen thrombosis rates.Results After operation,between the two groups,the growth rate of aortic diameter of the coeliac axis is obvious difference(P < 0.05),that the sequential group is with a low rate;there are obvious differences on the occurrence rates of main discomfort complaint and false lumen thrombosis rates (P < 0.05),that the sequential group is superior to the non-sequential group.Conclusions After a preliminary clinical study,we get a conclusion that when treating distal-end tears of Stanford type B aortic dissection,sequential treatment is better than non-sequential treatment.
ABSTRACT
Objective To evaluate the efficacy and safety of catheter-directed thrombolysis (CDT) combined with anticoagulant compared with traditional treatment (Anticoagulant alone A C) for deep venous thrombosis.Methods We searched Medline,Embase,Cochrane Central Register of Controlled Trials,PubMed,Chinese Biomedical Literature Data Base (CBM),Chinese Scientific Journal,Full-text Data Base (CSJD),and,added with hand searcing and other retrievals.The Cochrane Collaboration's RevMan 5.0.18 was used for Meta-analysis.Results Four randomized controlled trials were available and were included in the study.Meta-analysis showed that 6 months after treatment,iliofemoral vein patency rate of CDT group was higher than that of AC group (OR =5.13,95% CI:2.01-13.14,P =0.0006);Major complications of CDT group compared to those of AC group were not statistically significant(OR =2.74,95% CI:0.76-8.07,P =0.13),but the minor complications and total complications of CDT group were higher than those of AC group [(OR =7.86,95% CI:3.10-19.90,P <0.0001)and(OR=5.42,95%CI:1.47-20.01,P=0.01)].Conclusions CDT is a positively effective way to treat early DVT.Application of CDT in patients without contraindications to its use can have good therapeuic effect.
ABSTRACT
Thoracic endovascular aortic repair (TEVAR) has been increasingly used in the treatment of Stanford type B dissection.The incidence of new entry after thoracic endovascular aortic repair has been gradually increased report including at the proximal end and at the distal end of the endograft.New entry is difficult to handle following thoracic endovascular aortic repair for aortic dissection,and associates with a high substantial mortality.It need pay more attention to prevention and treatment on new entry after thoracic endovascular aortic repair.We summary and analyze the possible causes,prevention and management of new entry after thoracic endovascular aortic repair for aortic dissection.This article review and conclusion the progress on stent graft induced new entry after thoracic endovascular aortic repair.
ABSTRACT
Objective To assess the treatment of splenic artery aneurysms(SAA) and curative effect evaluation.Methods Twelve SAA patients treated in our hospital from January 2012 to May 2014 were clinical analyzed.The male in Twelve patients was 4 man and others were female.The vagus splenic artery aneurysms are originated from the superior mesenteric artery,tumors are single,from 1.5cm to 2.8cm in diameter,an average of 2.1cm.Twelve cases were performed surgery,4 patients underwent elective surgery,interventional embolization of the splenic aneurysm in 3 patient,The others were performed interventional embolization + superior mesenteric artery covered stents.Results Technical success was achieved in all twelve patients,2 patients had adverse effects such as abdominal pain,fever,etc.There revealed no aneurysm recurrence was found.Twelve patients were followed for 6-24 months,the follow-up by examinations with electronic computer X-ray tomography or color Doppler ultrasonic as well as angiography every 3 months.One patient died of severe abdominal bleeding 1 year later after the operation and the other eleven patients remained in good condition with no occurrence of re-canalization of the lesions.Conclusions For the vagus splenic aneurysm with suitable for anatornic conditions,cavity therapy is safe and effective,for the vagus splenic aneurysm involving hepatic artery,need to open surgery for vascular remodeling.
ABSTRACT
Objective To explore the distribution characteristics and clinical typing methods in distal crevasses of Stanford B aortic dissection.Methods Review of the cases in the People's Hospital of Xinjiang Urgur Autonomous Region from 2010 January to 2013 June were diagnosis of Stanford type B aortic dissection with computed tomographic angiography data,Observed its distal crevasses distribution and statistical its number,then summarizes the distribution characteristics of the distal crevasses and further put forward a method of clinical typing.Results Refer to 115 cases with Stanford type B aortic dissection computed tomographic angiography data,including 101 cases with distal crevasses (87.83%) and a total of 240 distal crevasses,an average of 2.37 per case.Conclusions The distal crevasses more often appear in the area involving visceral artery,combined with its different in distribution characteristics and processing methods,we put forward the classification method,namely:Type Ⅰ:the distal crevasses are located in the zone of the thoracic artery; Type Ⅱ:the distal crevasses are close to the visceral artery or involvement it; Type Ⅲ:the distal crevasses are lower than the renal artery,not involving the visceral artery; Type Ⅳ:the distal crevasses are located in the zone of the iliac artery.
ABSTRACT
Objective To explore the treatment principle of distal crevasses in aortic dissection.Methods According to the different treatment principles of distal crevasses in aortic dissection to divide the patients into two groups:following the treatment principle group:take the principle of from near to far,endovascular repair of distal crevasses,if not deal with the crevasses involving visceral arteries,do not handle the distal crevasses; unfollowing the treatment principle group:do not deal with the crevasses involving visceral arteries,endovascular repair of it's distal crevasses).Analyze the postoperative discomfort (chest and back pain,lower back pain) incidence,postoperative distal crevasses happening again and false lumen changes respectively.Results Fifty-three patients were included in the standard,in which follow the treatment principle group has 37 cases,and do not follow the treatment principle group has 16 patients.There were no significance statistically in complained of postoperative discomfort and postoperative distal crevasses happening again(P > 0.05).And there was statistically significant in the false lumen (P < 0.05).Conclusions The prognosis of patients in the following the principle treatment is better than that of unfollowing the principle group.To treat the distal crevasses in aortic dissection should be took the principle of from near to far,if not deal with the crevasses involving visceral arteries,don't handle the distal crevasses also.
ABSTRACT
Objective To explore the misunderstanding and comprehension of hybrid operation for treating aortic dissection involving aortic arch.Methods From March 2009 to November 2013,13 patients received hybrid operation for aortic dissection involving aortic arch in the People's Hospital of Xinjiang Urgur Autonomous Region were enrolled,including male 11 and female 2,and aged 36 ~ 60 years old with a mean age (44 ± 6.8) years old.All patients were type-B aortic dissection.All of them were not suitable to be treated with endovascular exclusion monotherapy.The ascending aorta-brachiocephalic artery bypass and left carotid artery bypass was established with median sternotomy approach and neck incision in 13 patients,and 2 patients did left subclavian artery bypass additionally,then retrograde endovascular stent graft implantation was used.Computed tomography angiography (CTA) scanning at 3-month,9-month,1-year and every-year after operation showed no stent grafts translocation and bypass graft obstruction.Results The surgical operation and stent grafts implantation were completely successful.Angiography showed 1 case had end leakage and other cases no obvious displacement or end leakage of stent grafts in operation.Blood flow in true lumen of aortic dissection was recovered and all of bypass grafts were unobstructed.No death and severe complications occurred.All patients were followed-up with 3 to 56 months [(29.0 ± 10.2) months],and all patients resumed normal life.Enhanced CT scanning after operation showed 1 case had endoleak and other cases no endoleak,stent grafts translocation and bypass graft obstmction.No signs of brain and limb ischemia were observed.Conclusions To summarize misunderstanding and experience by continuous explore feature of hybrid operation for treating disease involving aortic arch,we developed a more reasonable surgical treatment options that can improve the success rate of complex aortic dissection surgery,and ultimately achieve better surgical results.
ABSTRACT
Objective Retrospective analysis of experience of distal upper limb autologous arteriovenous fistula for hemodialysis access and treatment of arteriovenous fistula occlusion was conducted.Methods To summarize the clinical data of 214 cases of initial autologous arteriovenous fistula and 22 cases of treatment of arteriovenous fistula occlusion were carried out from Aug.2007 to Mar.2011,comparing the success rate and long-term patency rate.Results Two hundred and fourteen cases of initial autologous arteriovenous fistula,in which 168 cases were cephalic vein-radial artery side-to-side anastomosis at snuffbox,46 cases were cephalic vein-radial artery end-toside anastomosis at proximal wrist,the success cases were 203 (94.8%),the failed cases were 11 (5.2%),limb edema in 82 cases and there was no steal syndrome and heart failure.The primary patency rate was 95.2% at 1 year and 91.3% at 2 years.There were 22 patients accepted treatment of arteriovenous fistula occlusion,in which,8 cases were embolectomy due to acute occlusion,8 cases were thrombectomy and balloon dilation because of anastomotic stricture and thrombosis and 1 failed,5 cases were proximal anastomosis again after chronic occlusion.Conclusions Autologous arteriovenous fistula of the distal upper limb,especially from the place of snuffbox which is the preferred method for autologous arteriovenous fistula.And deal with arteriovenous fistula occlusion actively can often extend the usage time of the autologous blood vessels and improve the life quality of patients.
ABSTRACT
Objective To evaluate thoracic endovascular aortic repair for type B aortic dissection.Methods Chnical data were reviewed on 126 cases with type B aortic dissection undergoing endovascular aortic repair in our hospital from January 2006 to April 2011.There were 86 male patients and 40 female patients,age from 32 to 82 years.The stent- grafts were introduced via femoral arteriotomy.Stent-grafts were implanted to blockade tears of aortic dissection under the guidance of DSA.Postoperatively patients were followed-up by angiography and imiging for endoleak,stent migration,and fracture of stent-graft.Results In all cases,the aortic dissection tears were closed,true lumens were opened,and organ function was restored.There were not complications such as internal hemorrhage due to trauma or stent displacement on CTA from 3 to 63 months after endovascular therapy.Procedure was successful in all 126 cases,157 stents were released,2 cases died in the perioperative period,1 case died during the followed-up.A breach was found at the end of the stent in 12 cases,endovascular aortic repair redone successfully with a retrograde type A dissection found during follow-up.Conclusions Endovascular aortic repair is safe and effective for patients with Stanford type B aortic dissection with a favorable outcomes.
ABSTRACT
Ischemic disease of lower extremity is a severe disease threatening human health.In the 21st century the stem cells transplantation is one of the most advanced technologies and has applied quickly to clinical therapy.The stem cells possess the potential differentiation capability and can differentiate into all kinds of tissue cells.We transplant stem cells from peripheral blood or bone marrow to isehemie appendicular muscle or obsructed vessal in order to make them differentiate into newborn blood capillary,improve and re-cover blood flow of lower limb and achieve the aim of treating lower limb ischemia.
ABSTRACT
Atheroselerosis and thrombangiitis obliterans are the chief factors of chronic lower extremity ischemia. Usually we utilize intervcntional treatment which includs balloon dilatation and stent implantation or surgical revascularization for the patients who have good target vessels, but those methods are not suitable for the patients who have small target vessels. The transplantation of bone marrow stem cells is the new tech-nology for chronic lower extremity isehemia, which utilize the capacity of stem cells that have multiple differ-entiation activity and high self renewal potentiality. It can direetionally differentiated into endothelial cells. It has a good perspective in chronic lower extremity isehemia.