The choice of operation in aortoiliac reconstructions for intermittent claudication

King, Richard B.; Myers, Kenneth A.; Scott, David F.; Devine, Terence J.

doi:10.1007/bf01658081

Cited by 10 publications

(5 citation statements)

References 11 publications

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“…No early postoperative deaths occurred in the aortoiliac and iliofemoral thromboendarterectomy group. Similar results have been reported by other surgeons 35 . Late patency is an important factor to be analyzed in arterial repair.…”

Section: Discussionsupporting

confidence: 92%

“…These results were statistically significant and agree with those of other reported studies 14,27,28,43 . These excellent results support the use of surgical intervention in patients with intermittent claudication and good clinical status on preoperative evaluations 35,52,53 . Another important result is that longer thromboendarterectomies have longer patency times than shorter ones do.…”

Section: Discussionsupporting

confidence: 55%

“…In the literature, there are citations of cases in which amputations were necessary after endarterectomy or aortofemoral bypass surgery for intermittent claudication, and all amputations were due to postoperative occlusion of the restored arterial segment (graft or endarterectomy) [35][36][37] . However, amputation does not necessarily occur only after occlusion of the arterial repair.…”

Section: Discussionmentioning

confidence: 99%

“…Most postoperative amputation occurs in patients with critical ischemia 30,39,40 . Immediate postoperative amputation rate is low, varying from zero to 6.3% after surgery on aortoiliacfemoral territory obstruction 20,28,30,35,39 . This study's amputation rate falls into the accepted range.…”

Section: Discussionmentioning

confidence: 99%

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Aortofemoral thromboendarterectomy

et al. 2002

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PURPOSE:To study whether endarterectomy is feasible in all patients with aortofemoral atherosclerotic obstruction, considering early and late results.METHODS: A clinical, prospective, and descriptive study carried out in a university hospital. Inclusion criteria were atherosclerotic aortofemoral obstructive disease, clinical status compatible with major surgery, and absence of prior restorative procedure. Exclusion criteria were aneurysm, inflammatory arterial disease, and prior restorative procedure found during surgery. Eighty patients entered the protocol, but 9 were excluded (11.2%). Seventy-one patients, mean age of 57.3 years, underwent endarterectomy. Operative indications were intermittent claudication and critical ischemia. A ring-stripper endarterectomy technique was employed in all patients. Results were related to age, gender, symptoms, presence of diabetes mellitus, extension of endarterectomy, and extent of obstructive disease. Chi square or Fisher exact tests were used when appropriate, and the Wilkoxon (Gehan) test was used to compare survival curves.RESULTS: Sixty-eight (100%) endarterectomies were patent at discharge. The mortality rate was 4.2%. The amputation rate (4.3%) was higher in diabetic patients and when there was associated femoropopliteal obstruction. The 5-year survival rate was 83.3%, and late deaths were mostly cardiovascular. Diabetes mellitus, age above 65 years, and associated femoropopliteal obstruction lowered the survival rate. The 5-year patency rate was 87.0%. Critical ischemia and less extensive endarterectomies were associated with a lower patency rate. There were no anastomotic aneurysms or deep infections.CONCLUSIONS: Aortofemoral thromboendarterectomy is feasible in 90% of patients, early mortality rate is low, diabetic patients and those with associated femoropopliteal obstructive disease have a higher mortality rate, amputation rate is low, late deaths are mostly cardiovascular, and late patency rate is high, and even higher in the intermittent claudication group.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Aortofemoral thromboendarterectomy

et al. 2002

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“…The California sea lion (Zalophus californianus) breeds on shores and islands from British Columbia, Canada, to Baja California, Mexico, and within the Gulf of California (King, 1983). Rookeries of this sea lion on the west coast of the Baja California Peninsula are found on eight islands or archipelagos: (1) Islas Coronados, (2) Islote El Zapato, (3) Isla San Jerónimo, (4) Isla Cedros, (5) Islas San Benito, (6) Isla Natividad, (7) Isla Asunción, and (8) Isla Margarita ( Figure 1A) (Le Boeuf et al, 1983;Lowry & Maravilla-Chávez, 2005).…”

Section: Introductionmentioning

confidence: 99%

Terrestrial Habitat Segregation Between the Guadalupe Fur Seal (Arctocephalus townsendi) and the California Sea Lion (Zalophus californianus) at Islas San Benito, México

García‐Aguilar¹

2013

Aquat Mamm

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The Guadalupe fur seal (Arctocephalus townsendi) and the California sea lion (Zalophus californianus) have co-inhabited the Islas San Benito since 1997. This archipelago is the only place where there is a sympatric occurrence of colonies of both species; this particular situation makes it an excellent model to explore overlap or spatial segregation in their terrestrial habitat. We used data collected at Islas San Benito in the summer of 2008 to test the hypothesis that local habitat use differs between the two species. We found evidence that there is terrestrial habitat segregation between species (BrayCurtis distance = 0.64, p = 0.02), and our results show that the two species differed in their habitat use: Guadalupe fur seals used irregular beaches surrounded by cliffs, while California sea lions used open and flat beaches. The Guadalupe fur seal has been classified as vulnerable by the International Union for Conservation of Nature (IUCN), and the results obtained are important to understand the physical factors that affect its terrestrial habitat selection. The Guadalupe fur seal population at Islas San Benito continues to expand, and the statistical method employed in our study, applied through several counts, can be a useful tool to track changes in its distribution and patterns of habitat use.

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