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Abdominal Aortic Aneurysm

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6701. An unusual presentation of a ruptured abdominal aortic aneurysm (PubMed)

An unusual presentation of a ruptured abdominal aortic aneurysm 8581256 1996 03 20 2018 11 13 1351-0622 12 3 1995 Sep Journal of accident & emergency medicine J Accid Emerg Med An unusual presentation of a ruptured abdominal aortic aneurysm. 220-1 Haddad F S FS Homerton Hospital, London, UK Hatrick N C NC Shanahan D J DJ eng Case Reports Journal Article England J Accid Emerg Med 9433751 1351-0622 IM Aged Aneurysm, Ruptured diagnosis physiopathology surgery Aorta, Abdominal Diagnosis

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1995 Journal of accident & emergency medicine

6702. Pain, blood loss, and death from leaking abdominal aortic aneurysms. (PubMed)

Pain, blood loss, and death from leaking abdominal aortic aneurysms. The amount of blood lost from the circulation due to leaking abdominal aortic aneurysms was estimated in absolute figures by the difference in weight of the retroperitoneal tissues in 25 cases of sudden death and 25 controls matched for age, sex, height and weight. The proportion of total blood volume lost was calculated using established formulae. Eight subjects lost less than 500 ml or 10% of blood volume and only six lost (...) explanation for circulatory collapse in patients with leaking abdominal aortic aneurysms who characteristically experience severe backache or abdominal pain.

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1994 Journal of Clinical Pathology

6703. Optimal timing of abdominal aortic aneurysm repair after coronary artery revascularization. (PubMed)

Optimal timing of abdominal aortic aneurysm repair after coronary artery revascularization. The authors ascertained the optimal timing of repair of an abdominal aortic aneurysm (AAA) after coronary artery revascularization.Cardiac events are the most common cause of death after elective repair of AAA. Preoperative coronary revascularization has significantly reduced postoperative cardiac complications after elective AAA repair. Currently, most patients undergo repair of asymptomatic AAA within

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1994 Annals of Surgery

6704. Current status of endoluminal grafting for exclusion of abdominal aortic aneurysms. The beauty and the beast. (PubMed)

Current status of endoluminal grafting for exclusion of abdominal aortic aneurysms. The beauty and the beast. The exclusion of abdominal aortic aneurysms with endoluminal grafts has generated a great deal of interest since the early 1990s, and many centers are currently evaluating the procedure and comparing it to classic surgical exclusion. Although endoluminal grafting procedures show promise, development and clinical testing of devices is a time-consuming process that is influenced greatly (...) by the regulatory climate in the country where the clinical trials take place. Nevertheless, a number of devices are currently under study, and the advantages of 2nd- and 3rd-generation technology are reflected in reduced rates of complications such as endoleaks and thrombosis. Further study will be required to perfect these devices and observe their long-term success in the exclusion of abdominal aortic aneurysms.

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1998 Texas Heart Institute Journal

6705. A novel method for endoluminal treatment of abdominal aortic aneurysms. With bare-metal Wallstent endoprostheses and endovascular coils. (PubMed)

A novel method for endoluminal treatment of abdominal aortic aneurysms. With bare-metal Wallstent endoprostheses and endovascular coils. The established therapy for symptomatic, expanding abdominal aortic aneurysms is open surgical replacement with an artificial graft. Over the last several years, there has been increasing enthusiasm for the use of endoluminal graft prostheses to exclude abdominal aortic aneurysms. However, even with rapid advances in stent graft technology, certain problems (...) (i.e., large profile of the devices, risk of thromboembolism, poor flexibility, endoleak formation, and side-branch occlusion) have yet to be overcome. We present the case of an 85-year-old woman with multiple comorbid illnesses who underwent endoluminal repair of her expanding abdominal aortic aneurysms. We used bare-metal Wallstent endoprostheses (Schneider, Inc.; Minneapolis, Minn) in combination with endovascular coils (Cook, Inc.; Bloomington, Ind). The bare-metal Wallstent endoprostheses were

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1998 Texas Heart Institute Journal

6706. Oxygen delivery is an important predictor of outcome in patients with ruptured abdominal aortic aneurysms. (PubMed)

Oxygen delivery is an important predictor of outcome in patients with ruptured abdominal aortic aneurysms. The purpose of this study was to evaluate the relation of oxygen delivery (DO2) to the occurrence of multiple organ dysfunction (MOD) in patients with ruptured abdominal aortic aneurysms (AAA).Patients with ruptured AAA are at high risk for the development of MOD and death. Previous reports of high-risk general surgical patients have shown improved survival when higher levels of DO2

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1998 Annals of Surgery

6707. A statewide, population-based time-series analysis of the outcome of ruptured abdominal aortic aneurysm. (PubMed)

A statewide, population-based time-series analysis of the outcome of ruptured abdominal aortic aneurysm. The purpose of this study was to perform the first statewide, population-based, time-series analysis of the frequency of ruptured abdominal aortic aneurysm (RAAA), to determine the outcomes of RAAA, and to assess the association of patient, physician, and hospital factors with survival after RAAA. The hypotheses of the study were as follows: 1) the rate of RAAA would increase over time and 2 (...) ) patient, surgeon, and hospital factors would be associated with survival.Ruptured abdominal aortic aneurysm is a life-threatening emergency that presents the surgeon with a technically demanding challenge that must be met and surmounted in a short time if the patient is to survive.Data were obtained from the following four separate data sources: 1) the North Carolina Hospital Discharge database, 2) the North Carolina American Hospital Association database, 3) the North Carolina State Medical

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1996 Annals of Surgery

6708. Abdominal aortic aneurysm presenting as meralgia paraesthetica. (PubMed)

Abdominal aortic aneurysm presenting as meralgia paraesthetica. A case of abdominal aortic aneurysm is reported in a patient with long standing low back pain, presenting as meralgia paraesthetica and an increase in the severity of back pain. The case highlights the need for objective assessment of new symptoms arising in a chronic condition, and for a systematic approach to the assessment of radiographs performed in the accident and emergency department.

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1997 Journal of accident & emergency medicine

6709. Use of spiral computed tomographic angiography in monitoring abdominal aortic aneurysms after transfemoral endovascular repair. (PubMed)

Use of spiral computed tomographic angiography in monitoring abdominal aortic aneurysms after transfemoral endovascular repair. Transfemoral endovascular repair of abdominal aortic aneurysms has proved to be technically feasible in a selected group of patients. However, long-term efficacy has not been proved. Graft performance after implantation can be monitored by a single imaging technique: spiral computed tomographic angiography. With this technique, the parameters for continuing clinical (...) success of the procedure-graft patency, endoleaks, graft migration, attachment site diameter, attachment system failure, and aneurysm diameter-can be monitored. Only in selected cases will an additional imaging technique be necessary.

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1997 Texas Heart Institute Journal

6710. What do we need to know to achieve durable endoluminal abdominal aortic aneurysm repair? (PubMed)

What do we need to know to achieve durable endoluminal abdominal aortic aneurysm repair? The exclusion of abdominal aortic aneurysms with endoluminal grafts is in its earliest stages, and the technology is in continuous transition. While results with 1st-generation devices have been somewhat discouraging in some cases, lessons learned from these initial attempts have led to considerable improvement in device design and deployment techniques. Lower-profile devices that are smaller and more (...) flexible have made implantation less traumatic, and the incidence of endoleak formation has been reduced to 10% or less in some series. A modified percutaneous approach has also been introduced, and it may reduce the need for open exposure of the femoral artery in endoluminal graft procedures. Treating aneurysm expansion earlier, perhaps at 4 cm, may allow use of simpler, straight-tube prostheses and prevent problems associated with the use of larger, bifurcated endoluminal grafts. Numerous endoluminal

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1997 Texas Heart Institute Journal

6711. Proximal clamping levels in abdominal aortic aneurysm surgery. (PubMed)

Proximal clamping levels in abdominal aortic aneurysm surgery. In the surgical treatment of abdominal aortic aneurysm, the single proximal cross-clamp can be placed at 3 alternative aortic levels: infrarenal, hiatal, and thoracic. We performed this retrospective study to evaluate the advantages and disadvantages of the 3 main aortic clamping locations. Eighty patients presented at our institution with abdominal aortic aneurysms from March 1993 through May 1998. Fifty of these patients had (...) intact aneurysms and underwent elective surgery, and 30 had ruptured aneurysms that necessitated emergency surgery. Proximal aortic clamping was applied at the infrarenal level in 24 patients (22 from the intact aneurysm group, 2 from the ruptured group), at the hiatal level in 34 patients (22 intact, 12 ruptured), and at the thoracic level (descending aorta) via a limited left lateral thoracotomy in 22 patients (6 intact, 16 ruptured). Early mortality rates (within 30 days) were 4% (2 of 50 patients

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1999 Texas Heart Institute Journal

6712. Stent-graft repair for abdominal aortic aneurysm (PubMed)

Stent-graft repair for abdominal aortic aneurysm 10569094 1999 12 07 2018 11 13 0820-3946 161 9 1999 Nov 02 CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne CMAJ Stent-graft repair for abdominal aortic aneurysm. 1133 Kalman P G PG Toronto General Hospital Vascular Centre. eng Journal Article Canada CMAJ 9711805 0820-3946 AIM IM Aortic Aneurysm, Abdominal therapy Humans Medical Laboratory Science trends Stents 1999 11 24 1999 11 24 0 1 1999 11 24 0 0

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1999 CMAJ: Canadian Medical Association Journal

6713. Early Experience with the Talentâ„¢ Stent-Graft System for Endoluminal Repair of Abdominal Aortic Aneurysms (PubMed)

Early Experience with the Talentâ„¢ Stent-Graft System for Endoluminal Repair of Abdominal Aortic Aneurysms 10928500 2000 12 07 2018 11 13 0730-2347 27 2 2000 Texas Heart Institute journal Tex Heart Inst J Early experience with the Talent stent-graft system for endoluminal repair of abdominal aortic aneurysms. 128-35 Criado F J FJ Center for Vascular Intervention, Division of Vascular Surgery, The Union Memorial Hospital/MedStar Health, Baltimore, Maryland, USA. Wilson E P EP Wellons E E Abul (...) -Khoudoud O O Gnanasekeram H H eng Clinical Trial Clinical Trial, Phase II Journal Article United States Tex Heart Inst J 8214622 0730-2347 0 Alloys 0 Polyethylene Terephthalates 2EWL73IJ7F nitinol IM Alloys Aortic Aneurysm, Abdominal surgery Blood Vessel Prosthesis Blood Vessel Prosthesis Implantation Device Approval Equipment Design Humans Polyethylene Terephthalates Stents 2000 8 6 11 0 2001 2 28 10 1 2000 8 6 11 0 ppublish 10928500 PMC101047 N Engl J Med. 1999 May 20;340(20):1539-45 10332015 J

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2000 Texas Heart Institute Journal

6714. Endovascular Exclusion of Abdominal Aortic Aneurysms: Initial Experience with Stent-Grafts in Cardiology Practice (PubMed)

Endovascular Exclusion of Abdominal Aortic Aneurysms: Initial Experience with Stent-Grafts in Cardiology Practice The use of an endovascular stent-graft prosthesis for the treatment of infrarenal abdominal aortic aneurysms is receiving increasing attention as an option that may avoid the significant morbidity and mortality associated with open surgical treatment. We studied the clinical effectiveness of stent-grafts in patients with infrarenal abdominal aortic aneurysms. Between October 1995 (...) and May 1998, 33 patients underwent infrarenal abdominal aortic aneurysm exclusion with a homemade polytetrafluoroethylene-covered stent, and between November 1998 and September 1999, 56 patients underwent abdominal aortic aneurysm exclusion with the Medtronic AneuRx stent-graft. Overall, these patients represented a high-risk surgical group. The technical success rate was 100% in both groups. No patient required immediate conversion to open repair. With the polytetrafluoroethylene-covered stent

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2000 Texas Heart Institute Journal

6715. Regression of Inflammatory Abdominal Aortic Aneurysm after Endoluminal Treatment with Bare-Metal Wallstent® Endoprostheses (PubMed)

Regression of Inflammatory Abdominal Aortic Aneurysm after Endoluminal Treatment with Bare-Metal Wallstent® Endoprostheses Bare-metal Wallstent endoprostheses were used to treat a 60-year-old man who had an inflammatory abdominal aortic aneurysm, as confirmed by clinical and computed tomographic findings. The patient had concomitant coronary artery disease, congestive heart failure, chronic obstructive pulmonary disease, and severe iliofemoral disease. Because of high surgical risk due (...) to coexisting disease (including severe peripheral vascular disease), the patient was not a candidate for current endovascular methods or surgical repair. Therefore, we used the novel endovascular approach described. Serial, spiral, computed tomographic scans during a 2-year follow-up period revealed a reduction in the maximal diameter of the abdominal aortic aneurysm from 44 mm to 36 mm. Stabilization of thrombus and regression of the periaortitis were also noted. To our knowledge, this is the 1st reported

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2000 Texas Heart Institute Journal

6716. Diagnosing abdominal aortic aneurysm. How good is the physical examination? (PubMed)

Diagnosing abdominal aortic aneurysm. How good is the physical examination? 10509219 1999 10 19 2018 11 13 0008-350X 45 1999 Sep Canadian family physician Medecin de famille canadien Can Fam Physician Diagnosing abdominal aortic aneurysm. How good is the physical examination? 2069-70 Pysklywec M M Department of Family and Community Medicine, University of Toronto. Evans M F MF eng Journal Article Canada Can Fam Physician 0120300 0008-350X IM Age Factors Aortic Aneurysm, Abdominal diagnosis

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1999 Canadian Family Physician

6717. Expression and localization of macrophage elastase (matrix metalloproteinase-12) in abdominal aortic aneurysms. (PubMed)

Expression and localization of macrophage elastase (matrix metalloproteinase-12) in abdominal aortic aneurysms. Elastolytic matrix metalloproteinases (MMPs) have been implicated in the pathogenesis of abdominal aortic aneurysms (AAA), a disorder characterized by chronic aortic wall inflammation and destruction of medial elastin. The purpose of this study was to determine if human macrophage elastase (HME; MMP-12) might participate in this disease. By reverse transcription-polymerase chain (...) -infiltrating macrophages within the degenerating aortic media of AAA, where it is also bound to residual elastic fiber fragments. Because elastin represents a critical component of aortic wall structure and a matrix substrate for metalloelastases, HME may have a direct and singular role in the pathogenesis of aortic aneurysms.

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1998 Journal of Clinical Investigation

6718. Long term relative survival after surgery for abdominal aortic aneurysm in Western Australia: population based study (PubMed)

Long term relative survival after surgery for abdominal aortic aneurysm in Western Australia: population based study To determine the long term relative survival of all patients who had surgery for abdominal aortic aneurysm in Western Australia during 1985-94.Population based study.Western Australia.All patients who had had surgery for abdominal aortic aneurysm in Western Australia during 1985-94.Morbidity and mortality data of patients admitted and surgically treated for abdominal aortic (...) with a matched population the five year relative survival after elective surgery was 94.9% (95% confidence interval 89.9% to 99.9%) for men but only 88.0% (76.3% to 99.7%) for women. The five year relative survival of those aged 80 years and over was good: 116.6% (89.1% to 144.0%) compared with 92.4% (87.7% to 97.0%) for those under 80 years of age (men and women combined). Cardiovascular disease caused 57.8% of the 341 deaths after 30 days.In a condition such as abdominal aortic aneurysm, which occurs

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1998 BMJ : British Medical Journal

6719. Men and octogenarians do well after surgery for abdominal aortic aneurysms (PubMed)

Men and octogenarians do well after surgery for abdominal aortic aneurysms 9748207 1998 10 07 1756-1833 317 7162 1998 Sep 26 BMJ (Clinical research ed.) BMJ Men and octogenarians do well after surgery for abdominal aortic aneurysms E eng Journal Article England BMJ 8900488 0959-8138 1998 9 25 2 3 1998 9 25 2 3 1998 9 25 2 3 ppublish 9748207 PMC1113933

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1998 BMJ : British Medical Journal

6720. Will Endovascular Repair Replace Open Surgery for Abdominal Aortic Aneurysm Repair? (PubMed)

Will Endovascular Repair Replace Open Surgery for Abdominal Aortic Aneurysm Repair? To evaluate of the impact of endovascular aneurysm repair on the rate of open surgical repair and on the overall treatment of abdominal aortic aneurysms (AAAs).All patients with AAA who were treated during two consecutive 40-month periods were reviewed. During the first period, only open surgical repair was performed; during the subsequent 40 months, endovascular repair and open surgical repair were treatment (...) options.A total of 727 patients with AAA were treated during the entire period. During the initial 40 months, 268 patients were treated with open surgical repair, including 216 infrarenal (81%), 43 complex (16%), and 9 ruptured (3%) aortic aneurysms. During the subsequent 40 months, 459 patients with AAA were treated (71% increase). There was no significant change in the number of patients undergoing open surgical repair and no significant difference in the rate of infrarenal (238 [77%]) and complex (51

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2000 Annals of Surgery

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