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1.
Article in Chinese | WPRIM | ID: wpr-994559

ABSTRACT

Objective:To summarize the safety and efficacy of aortic banding in the treatment of refractory endoleaks after endovascular abdominal aortic aneurysm repair (EVAR).Methods:The clinical and follow-up data of 10 patients with refractory endoleaks EVAR undergoing aortic banding at Peking University People's Hospital from Jun 2019 to Aprl 2022 were retrospectively analyzed.Results:The aortic banding was indicated for type Ⅰ endoleak in 6 patients, type Ⅱ endoleak in 3 patients and internal tension in 1 patient with persistent aneurysm enlargement or rupture. The surgical procedure was based on laparotomy. The proximal aortic neck was exposed and re-fixation with artificial strip to prevent bleeding. The surgical procedures was successful in all the 10 cases without residual endoleak or re-bleeding. The post-operative contrast-enhanced ultrasonography revealed neither new-onset endoleak nor occlusion of stent-grafts. Perioperative complications included one case of delayed wound healing and one case of incomplete ileus. No perioperative deaths occurred. Midterm follow-up was achieved in 10 patients with a mean follow-up time of 13 months. No recurrence of endoleak was found. One patient underwent endovascular repair for independent thoracic aortic aneurysm 6 months after surgery. There were no other aorta-related secondary surgeries or aortic-related deaths.Conclusion:Aortic banding for refractory endoleaks after EVAR is minimally invasive and reliable. It can effectively eliminate the refractory endoleaks, and reduce the risks of aortic-related secondary surgery or death.

2.
Article in Chinese | WPRIM | ID: wpr-994592

ABSTRACT

Objective:To evaluate the mid-term results of fenestrated/branched endovascular aortic repair (f/b EVAR) for the treatment of thoracoabdominal aortic aneurysms. M ethods The clinical data of 105 thoracoabdominal aortic aneurysm patients treated with f/b EVAR at the Department of Vascular Surgery of Nanjing Drum Tower Hospital from 2018 to 2019 were retrospectively analyzed. Results:There were 43 cases of thoracoabdominal aortic aneurysm and 62 cases of thoracoabdominal aortic aissection.A total of 336 branch arteries were reconstructed,and technical success rate was 94.3%. 100 cases (95.2%) were followed-up, 6 cases (5.7%) received reoperation interventions, and 11 cases (10.5%) died. During the follow-up period, 69 cases had complete imaging data. Based on the recent CT date of the thoracoabdominal aorta, 58 patients hael positive aortic remodeling and 11 patients hael negative and indeterminate remodeling; there were 31 cases (29.5%) of endoleaks, including 7 cases (6.7%) of type Ⅰb endoleaks, 8 cases (7.6%) of type Ⅱ, 1 case (0.95%) of type Ⅲa, 13 cases (12.4%) of type Ⅲc endoleaks and 2 cases (1.9%) of type Ⅳ. Conclusions:The mid-term follow-up results were satisfactory for TAAA treated with f/b EVAR. Internal leakage remains key point for f/b EVAR.

3.
Article in Chinese | WPRIM | ID: wpr-994593

ABSTRACT

Objective:To evaluate the safety and efficacy of 3D printing-assisted pre-fenestration and branch stent endovascular repair (F/b EVAR) in the treatment of thoracoabdominal aortic aneurysms.Methods:The clinical data of 26 patients treated with 3D printing-assisted F/b EVAR for complicated thoracic and abdominal aortic diseases at the Department of Vascular Surgery, the Ninth People's Hospital,Shanghai Jiaotong University School of Medicine from May 2019 to Sep 2022 were retrospectively analyzed.Results:The success rate in these 26 cases of TAAA with 3D printing combined with F/b EVAR was 97.89%, and the mean follow-up time was (8.03±4.15) months. Four cases had Ⅲc internal leakage and disappeared during the follow-up. One case of type Ⅲ leakage were narrowed during follow-up. Ic type internal leakage occurred in 1 patient and disappeared after the addition of a stent at the distal end. During the follow-up period, aortic CTA indicated that 1 patient had renal artery stent occlusion and smooth blood in other visceral branches. No complications such as organ ischemia, lower limb ischemia and all-cause death occurred during follow-up.Conclusion:3D printing-assisted F/b EVAR minimally invasive repair of TAAA is a feasible, effective and safe technique, with high success rate and low complication rate of visceral branch artery reconstruction.

4.
Article in Chinese | WPRIM | ID: wpr-994594

ABSTRACT

Objective:To evaluate a surgical approach for partial resection of the tenth rib through a retroperitoneal approach for the exposure of Crawford type IV thoracoabdominal aortic aneurysm and complex abdominal aortic aneurysm from 2014 to 2019.Methods:A retrospective analysis was conducted on clinical data and follow-up results of 7 patients who underwent treatment for Crawford type IV thoracoabdominal aortic aneurysm and complex abdominal aortic aneurysm through partial resection of the tenth rib via a retroperitoneal approach.Results:One case (14.3%) had associated Marfan syndrome, and 5 cases (71.4%) underwent left renal artery reconstruction. None of the patients experienced severe complications such as cardiopulmonary complications or renal failure postoperatively, and there was no statistically significant difference in serum creatinine levels between preoperative and postoperative stages during hospitalization ( P=0.205). Follow-up examinations showed no long-term vascular stenosis. Conclusions:Partial resection of the tenth rib through a retroperitoneal approach can avoid incisions of the pleura and diaphragm. It allows for the exposure of the aorta below the diaphragm and has the ability to treat aortic diseases below the diaphragm with smaller incisions and lower complication risks.

5.
Article in Chinese | WPRIM | ID: wpr-990963

ABSTRACT

Objective:To analyze the effective and safety of endovascular aneurysm repair (EVAR) for ruptured abdominal aortic aneurysm (RAAA) at one tertiary center, and to improve the outcomes of RAAA under fast-track protocol.Methods:Nineteen cases of RAAA in the 940th Hospital of Joint Logistic Support Force of PLA from January 2014 to December 2020 were reviewed retrospectively. EVAR-fist strategy was employed from the emergency room to the operating room by using fast-track protocol. Preoperative management, anatomic characteristics, choice of anesthesia, operative procedures and postoperative complications were collected and analyzed. Abdominal compartment syndrome (ACS) and hospital mortality were paid special attention.Results:Nineteen cases were undergone EVAR procedures. The age was (73.4 ± 7.4) years old, and the AAA size was (67.8 ± 13.6) mm. Two cases underwent cardiopulmonary resuscitation at emergency department. General anesthesia was used in 13 patients and local anaesthesia in 6 patients. Successful stent graft deployment was achieved in all cases. The duration from emergency room to operating room was (84.8 ± 22.4) min. The hospital stay time was (9.7 ± 5.7) d. The hospital mortality was 5/19. The 5 deaths were reviewed: 3 died for multiple organ failure, 1 for irreversible shock, and 1 for ongoing bleeding.Conclusions:Excellent results were confirmed by using EVAR-first strategy for RAAA. The management of hemodynamically unstable state, standardized endovascular procedure, fast-track program and multidiscipline team collaboration were the very important determining factors for the implementation of EVAR. Focused efforts to reduce RAAA mortality are warranted.

6.
Int. j. cardiovasc. sci. (Impr.) ; 35(2): 287-292, Mar.-Apr. 2022. graf
Article in English | LILACS | ID: biblio-1364979

ABSTRACT

Abstract Takayasu's arteritis is a type of primary systemic vasculitis that affects medium and large arteries, including the aorta and its main branches, as well as the pulmonary and coronary arteries. Although rare in children, it is the third most common vasculitis in the pediatric population, often with delayed diagnosis due to the nonspecific presentation of clinical symptoms in its initial phase. This is a case of a 16-year-old girl with a giant ruptured abdominal aortic aneurysm, who needed surgery on an emergency basis. The etiological aspects involved in aneurysms in young patients are also addressed.


Subject(s)
Humans , Female , Adolescent , Aortic Rupture/surgery , Aortic Aneurysm, Abdominal/surgery , Takayasu Arteritis/complications , Aortic Rupture/diagnostic imaging , Retroperitoneal Space/diagnostic imaging , Aortic Aneurysm, Abdominal/etiology , Aortic Aneurysm, Abdominal/diagnostic imaging , Hematoma/diagnostic imaging , Hypertension/complications
7.
Article in Chinese | WPRIM | ID: wpr-933623

ABSTRACT

Objective:To evaluate multi-channel transcatheter embolotherapy for type Ⅱ endoleak originating from lumbar arteries after endovascular abdominal aortic aneurysm repair (EVAR).Methods:Data of 8 cases of type Ⅱ endoleak after EVAR from Oct 2017 to Nov 2020 at the Department of Vascular and Endovascular Surgery, Henan Provincial People's Hospital were retrospectively analyzed.Results:All patients who suffered from type Ⅱ endoleak that originated from lumbar arteries after EVAR were successfully treated with coils and mixture of Compant medical glue and iodipin through multi-channel. The technical success rate was 100%, the operative time was 80-150 min. Right lower limb dyskinesia occurred in 1 patient after operation, the symptom disappeared by anticoagulation and trophic neurotherapy for 2 months. Type Ⅱ endoleak didn't recur in all patients, and no mortality during the 4-38(14.1) months follow-up period.Conclusion:Multi-channel transcatheter embolotherapy has definite effects for the treatment of type Ⅱ endoleak from lumbar arteries after EVAR, with high technical feasibility, few perioperative complications, low mortality among other advantages. The results of short and medium term are satisfactory.

8.
Article in Chinese | WPRIM | ID: wpr-933624

ABSTRACT

Objective:To evaluate the diagnosis and surgical treatment of abdominal aortic vascular endograft infections.Methods:Clinical data of 13 patients of abdominal aortic vascular endograft infections undergoing surgical treatment at Department of Vascular Surgery, Peking University People's Hospital from Jan 2015 to Jan 2021 was retrospectively analyzed.Results:All 13 patients underwent infected graft resection under axillobifemoral bypass. Three patients died perioperatively and 10 recovered. Eight patients were followed-up,with bypass graft being occluded and another one with bypass graft infections exposure.Conclusions:Abdominal aortic vascular endograft infections are catastrophic diseases with high surgical difficulty and risk. Extra-anatomic reconstruction with graft removal is a safe and effective treatment for the eradication of infection.

9.
International Journal of Surgery ; (12): 717-720, 2022.
Article in Chinese | WPRIM | ID: wpr-954282

ABSTRACT

The internal iliac artery originating from the common iliac artery is an important branch, and communicating with the branches of the abdominal aorta, such as lumbar artery and sacral median artery, forming rich collateral circulation and nourishing the blood supply of gluteal muscle and pelvic floor viscera. Surgical intervention is recommended when the maximum diameter of internal iliac artery aneurysms>2 cm. A variety of treatment modalities are available, particularly, endovascular technique has been successfully applied in the clinical treatment of internal iliac artery aneurysms, which can significantly improve the cure and reduce complications and deaths. This article reviews the previous literature and summarizes the progress of internal iliac artery aneurysms treatment.

10.
Chinese Journal of Geriatrics ; (12): 992-996, 2022.
Article in Chinese | WPRIM | ID: wpr-957329

ABSTRACT

The incidence and mortality of abdominal aortic aneurysm in the elderly are high.The poor prognosis of ruptured abdominal aortic aneurysm is in sharp contrast to the good survival after planned surgery.Endovascular repair is the first choice and maybe the only treatment for elderly patients with abdominal aortic aneurysm.Ultrasound is the preferred imaging method for screening and monitoring abdominal aortic aneurysm, with high accuracy and repeatability, and is an effective means for accurate diagnosis and follow-up monitoring in elderly patients with abdominal aortic aneurysm.This paper reviews research progress on ultrasonic diagnosis and postoperative evaluation of abdominal aortic aneurysm in the elderly, and discusses the important application value and prospect of conventional ultrasound combined with new ultrasound technology in this field.

12.
Rev. cienc. med. Pinar Rio ; 25(3): e4998, 2021. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1289134

ABSTRACT

RESUMEN Introducción: el aneurisma de la aorta abdominal constituye una enfermedad con elevada mortalidad en la actualidad. Objetivo: caracterizar los pacientes con el diagnóstico de aneurisma de la aorta abdominal en la provincia de Pinar del Río. Métodos: se realizó un estudio descriptivo, prospectivo de corte longitudinal, a los pacientes con aneurisma de la aorta abdominal tratados en la consulta de angiología, durante el período 2013 al 2017. El universo estuvo formado por 70 pacientes que acudieron a realizarse ultrasonido abdominal, a los cuales se les diagnosticó un aneurisma de la aorta abdominal; se estudió la totalidad. Resultados: el 58,56 % de los pacientes fueron identificados por el departamento de imagenología. Predominó el sexo masculino (95,7 %), y como factores de riesgo los pacientes fumadores (90 %) e hipertensos (85,7 %). Se observó el crecimiento del saco aneurismático en relación con la hipertensión arterial; no existió aumento del diámetro en el 44,3 % de los pacientes. El 7,15 % fueron intervenidos quirúrgicamente, donde el 100 % fueron pacientes con un diámetro inicial mayor de 5 cm. Conclusiones: los aneurismas aórticos abdominales fueron comunes en pacientes masculinos pasadas la cuarta década de la vida, se presentó principalmente en pacientes fumadores e hipertensos. El departamento de radiología constituyó la principal fuente de remisión. La identificación precoz y tratamiento oportuno son elementos determinantes para un desenlace positivo de dicha enfermedad.


ABSTRACT Introduction: aortic abdominal aneurysm constitutes an entity with a high mortality rate in current times. Objective: to characterize the patients with the diagnosis of aortic abdominal aneurysm in Pinar del Rio province. Methods: a descriptive, prospective-longitudinal study was conducted with patients having aortic abdominal aneurysms treated in Angiology Service during the period 2013-2017. The target group comprised 70 patients who came for an abdominal ultrasound, they were diagnosed as aortic abdominal aneurysm carriers, and all of them were studied. Results: patients identified by Imaging Department reached the 58,56 %; male sex predominated (95,7 %), as risk factors prevailed smokers (90 %) and hypertensive patients (85,7 %). Aneurysmal sac growth was observed in relation to hypertension; and there was no increase in diameter in 44,3 % of patients; 7,15 % of the patients underwent surgery, 100 % were patients with an initial diameter greater than 5 cm. Conclusions: aortic abdominal aneurysms were common in male patients past the fourth decade of life, occurring mainly in smokers and hypertensive patients. Radiology department was the main source of referral. Early identification and timely treatment are determinant elements for a positive outcome of this disease.

13.
Rev. bras. cir. cardiovasc ; Rev. bras. cir. cardiovasc;36(3): 301-307, May-June 2021. tab, graf
Article in English | LILACS | ID: biblio-1288232

ABSTRACT

Abstract Introduction: The treatment of infrarenal aortic aneurysms has changed in the last three decades. Endovascular aneurysm repair (EVAR) has become the primary treatment option in anatomically suitable patients with infrarenal aortic aneurysms. However, there is no serum biomarker to be used in EVAR follow-up. Methods: This is a prospective single-centre study of 30 consecutive patients with abdominal aortic aneurysm (AAA) who underwent EVAR. Serum dosages of micro ribonucleic acid 1281 (miRNA-1281), creatinine, total cholesterol, triglycerides, and C-reactive protein (CRP) were evaluated and angiotomographic evaluations were performed preoperatively and six months after the intervention. Results: There was a hyperexpression of miRNA-1281 in patients with AAA and a significant reduction of it after EVAR, from 1.66-fold before EVAR to 0.27 after the procedure (P<0.0001). MiRNA-1281 expression was not influenced by renal function (creatinine: 1.14±0.29, P=0.68), total cholesterol (179.9±59.9, P=0.22), or CRP (1.17±3.5; P=0.48). There is correlation between AAA size and CRP serum levels, however there was no statically significant reduction of CRP after EVAR. Discussion: MiRNA-1281 expression may be influenced by cholesterol, triglycerides levels, and renal function. We found no difference in these markers before and six months after EVAR. However, miRNA-1281 presents a significant reduction in patients with no follow-up complications. We hypothesize that miRNA-1281 expression may be related to aortic wall stress or flow changes. Conclusion: MiRNA-1281 may contribute as a possible marker of EVAR follow-up.


Subject(s)
Aortic Aneurysm, Abdominal/surgery , Aortic Aneurysm, Abdominal/genetics , Blood Vessel Prosthesis Implantation , MicroRNAs , Endovascular Procedures , Postoperative Complications , C-Reactive Protein , Prospective Studies , Retrospective Studies , Risk Factors , Treatment Outcome , Kidney/physiology
14.
Radiol. bras ; Radiol. bras;54(1): 21-26, Jan.-Feb. 2021. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1155228

ABSTRACT

Abstract Objective: To validate the use of a three-dimensional printing system for metric and volumetric analysis of the segments of an abdominal aortic aneurysm (AAA). Materials and Methods: In patients scheduled to undergo endovascular AAA repair, the computed tomography angiography (CTA) measurements obtained during the preoperative assessment of the patients were compared with those obtained by computed tomography of individualized three-dimensional biomodels. Results: The volumetric assessment showed a discrepancy of 3-12%, and the difference between the areas was 10-16%. Conclusion: Computed tomography measurements of 3D-printed biomodels of AAAs appear to be comparable to those of threedimensional CTA measurements of the same AAAs, in terms of the metric and volumetric dimensions.


Resumo Objetivo: Validar a aplicação do método de impressão tridimensional de biomodelos para aferição métrica e volumétrica de segmentos de aneurisma de aorta abdominal. Materiais e Métodos: Compararam-se as medidas obtidas por tomografia computadorizada dos biomodelos tridimensionais com as realizadas no planejamento pré-operatório de pacientes submetidos a correção endovascular de aneurisma de aorta abdominal. Resultados: A avaliação da volumetria demonstrou discrepância de 3% a 12% e a diferença entre as áreas foi de 10% a 16%. Conclusão: A tomografia computadorizada dos biomodelos impressos é compatível nas aferições métricas e volumétricas com as imagens tridimensionais da angiotomografia do paciente.

15.
International Journal of Surgery ; (12): 384-387, 2021.
Article in Chinese | WPRIM | ID: wpr-907447

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.

16.
Article in Chinese | WPRIM | ID: wpr-911573

ABSTRACT

Objective:To compare the efficacy and safety of different treatment methods for thoracoabdominal aortic aneurysm(TAAA).Methods:The clinical data of 39 TAAA patients admitted to our department from Jan 2010 to Feb 2018 were retrospectively analyzed.Results:There were 25 patients in endovascular group, 11 in open group and 3 in hybrid group. The mean age in the endovascular group was significantly higher than that in the open group ( P<0.05). The blood loss and operation time in the endovascular group were significantly lower than those in the open group and the hybrid group ( P<0.05). There was no significant difference in the operation success rate, the complication rate in post-operative 30 days and the rate of re-intervention ( P>0.05) among the three groups. The post-operative 30 days mortality was significantly higher in the hybrid group than that in the endovascular group and open group ( P<0.05). During the follow-up period, the complication rate in the endovascular group was significantly higher than that in the open group ( P<0.05). Conclusion:Endovascular surgery is more suitable for elderly patients because of shorter operation time, less trauma and bleeding.

17.
Article in Chinese | WPRIM | ID: wpr-911574

ABSTRACT

Objective:To evaluate the safety and efficacy of a Zenith fenestrated aortic stent-graft (ZFEN) system in the treatment of short-necked aneurysms.Methods:The clinical data of 5 patients receiving F-EVAR in Zhongshan Hospital, Fudan University from Mar 2018 to Sep 2019 according to the standards of short-necked abdominal aortic aneurysm and COOK ZFEN custom stent were retrospectively analyzed.Results:Patients' average age was (69±11) years old. The time of stent customization was 4-6 weeks. The average maximum diameter of AAA was (60.8±14.0) mm. The average proximal neck diameter was (26.0±2.6) mm and the average length anchoring zone was (6.4±2.2) mm. The rate of technical success was 100%. There was no intraoperative loss of visceral vessels and stent displacement. The meane follow-up time was 6.8 months. The perioperative mortality was 0, and there were no other major complications. There were 3 patients with simple type Ⅱ endoleak and 1 patient with type Ⅲ endoleak. The endoleaks disappeared in 4 patients during follow-up of 3-12 months. 1 patient suffered with type Ⅱ and type Ⅲ endoleak, and the visceral vessels and branching stents were patent in all patients.Conclusion:The short term result of COOK ZFEN stent-graft system was safe and feasible for the treatment of short-necked AAA.

18.
Article in Chinese | WPRIM | ID: wpr-911589

ABSTRACT

Objective:To compare the effect of hybrid open-endovascular repair (HOER) and Viabahn open revascularization technique (VORTEC)+HOER in the treatment of thoracoabdominal aortic aneurysms (TAAA).Methods:From Apr 2005 to Jul 2019, 33 TAAA patients underwent HOER including 21 cases of standard HOER, and 12 of VORTEC+HOER. The intraoperative renal ischemia time (RIT), incidence of postoperative acute kidney injury (AKI), rate of renal artery patency (RAP) and another short-term outcome were observed.Results:RIT was significantly shorter in the VORTEC+HOER group than in the standard treatment group [(9±3) minutes vs. (15±6) minutes, P<0.05]. The increase in serum creatinine (SCr) levels on the 1st postoperative day in the standard treatment group was significantly higher than that in the VORTEC+HOER group [(1.68±0.79) μmol/L vs. (1.05±0.06) μmol/L, P<0.05]. AKI occurred in 5 patients in the standard HOER treatment group (5/21, 24%), while no patient experienced AKI in the VORTEC+HOER group (0/12, 0). Conclusion:VORTEC significantly reduces RIT and postoperative SCr increasing, thereby potentially decreasing the incidence of postoperative AKI.

19.
Article in Chinese | WPRIM | ID: wpr-911602

ABSTRACT

Objective:To explore the outcomes of standard endovascular aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA) with complex neck anatomical features.Methods:Clinical data of AAA patients received standard EVAR from Jan 2004 to Dec 2018 were retrospectively collected. Based on pre-operative computed tomography angiography (CTA) data, patients were divided into complex neck group and non-complex neck group to compare the results between them.Results:There were 88 patients (66.2%) in complex neck group and 45 patients (33.8%) in non-complex group. There was no significant difference in peri-operative characters (blood loss, contrast volume used, hospital stay time, technical success rate) and follow-up results (late re-intervention, late endoleak, aneurysm enlargement, survival rate),all P>0.05.Multivariant logistic regression analysis revealed neck diameter larger than 31 mm was related with late re-intervention ( OR=24.975, P=0.02). Conclusion:Standard EVAR for AAA with complex neck characters does not cause higher perioperative complications and less favorable long term survival rate.

20.
Article in Chinese | WPRIM | ID: wpr-911603

ABSTRACT

Objective:To analyze the feasibility of surgical therapy and the risk factors affecting prognosis for patients with abdominal aortic aneurysms in Tibetan plateau.Methods:Data of 48 abdominal aortic aneurysm cases were retrospectively analyzed at our hospital from Jun 2013 to Dec 2017.Results:Five cases received conservative treatment for suspected rupture of abdominal aortic aneurysm and all died. Eight cases left hospital without treatment, among them 5 cases died for rupture of abdominal aortic aneurysm.Thirty-five patients had abdominal aortic aneurysm resection and artificial vascular reconstruction. Successful rate was 100%. Perioperative complications developed in 5.7% patients; blood transfusion rate was 11.4%, there were non-perioperative death. Single-factor regression analysis showed that chronic altitude erythrocytosis as an independent risk factor with poor surgical prognosis ( P<0.05). Conclusion:Even in Tibet plateau, traditional surgery is a safe and effective method for treating abdominal aortic aneurysms. Chronic altitude erythrocytosis is an independent risk factor for poor surgical prognosis.

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