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1.
Innovations (Phila) ; 9(4): 306-11, 2014.
Article in English | MEDLINE | ID: mdl-25084250

ABSTRACT

OBJECTIVE: "No-touch" (NT) saphenous vein harvesting preserves the adventitial vasa vasorum, prevents medial ischemia, and is associated with an improved short-term and long-term vein graft patency. It may also be associated with a higher rate of harvest site complications. Endovascular vein harvesting (endo-vein) has a low rate of harvest site complications but also a tendency toward a lower patency rate. METHODS: During a 2-year period (2011-2012), we compared the vein graft patency at symptom-directed cardiac catheterization as well as wound complication rates in 210 patients who received either NT (87 patients) or endo-vein (123 patients). RESULTS: The recatheterization rate for the two groups was similar: 9 (10.3%) of 87 of the NT patients versus 11 (9.0%) of 123 of the endo-vein patients. There was a significant difference in vein graft patency between the groups: 15 (94%) of 16 NT vein grafts were patent versus 6 (27%) of 22 of endo-veins (P < 0.02). The endo-vein graft patency during this 2-year period was similar to the total endo-vein patency (37%) during a 4-year period. A comparison between a more experienced and a less experienced harvester revealed no difference in patency rate. Harvest site complications were significantly higher with the NT harvest: 18% of the NT patients requiring vacuum-assisted wound closure or intravenous antibiotics versus 2% of the endo-vein patients (P < 0.0001). The application of platelet-rich plasma did not significantly lower wound complication rates (P = 0.27). CONCLUSIONS: These results suggest that NT vein harvesting may be associated with improved graft patency, but methods should be developed to lower wound complication rates.


Subject(s)
Cardiac Catheterization/methods , Coronary Artery Bypass/methods , Endovascular Procedures , Saphenous Vein/transplantation , Tissue and Organ Harvesting/adverse effects , Tissue and Organ Harvesting/methods , Transplant Donor Site , Aged , Female , Humans , Male , Retrospective Studies , Time Factors , Vascular Patency
2.
Can J Surg ; 56(5): E105-13, 2013 Oct.
Article in English | MEDLINE | ID: mdl-24067525

ABSTRACT

BACKGROUND: Abdominal aortic aneurysms requiring surgical intervention are generally treated by endovascular means. Such procedures are not always offered in rural hospitals, possibly leaving patients underserved. We reviewed our experience initiating an endoaortic surgery program. METHODS: A surgeon in a rural centre was credentialed to perform endovascular aortic aneurysm repair through collaboration with a university centre and was proctored locally for the first 5 abdominal aneurysm repairs. Web-based image storage was used to review complex cases as part of an ongoing partnership. Referred patients were screened for multiple aneurysms and underwent long-term monitoring. RESULTS: In all, 160 patients were evaluated for 176 aortic pathologies. Twenty-five patients (17 men) aged 55-89 years underwent 26 endovascular abdominal (n = 23) or thoracic (n = 3) aortic procedures. Emergent endovascular procedures were not performed. There were no operative deaths, requirements for dialysis or conversions to open repair. Two endoleaks required early reintervention. The median length of stay in hospital for endovascular procedures was 2.5 days. Chronic endoleaks were observed in 7 patients. An additional 8 patients underwent open abdominal aneurysm repair locally and 15 patients were referred to the university program. CONCLUSION: Creation of an endovascular aortic surgery program in a rural hospital is feasible through collaboration with a high-volume centre. Patient safety is enhanced by obtaining second opinions using web-based image review. Most interventions are for abdominal aortic aneurysms, but planning for a comprehensive aortic clinic is preferable.


CONTEXTE: Les anévrismes de l'aorte abdominale justiciables d'une intervention chirurgicale sont généralement traités par voie endovasculaire. Ce type d'intervention n'est toutefois pas toujours pratiqué dans les hôpitaux ruraux. Les patients peuvent donc s'en trouver moins bien desservis. Nous avons passé en revu notre expérience après la mise sur pied d'un programme de chirurgie endoaortique. MÉTHODES: Grâce à une collaboration avec un centre universitaire, un chirurgien d'un centre rural a reçu l'agrément nécessaire pour effectuer la réparation endovasculaire des anévrismes de l'aorte et il a été supervisé localement pour les 5 premières réparations d'anévrisme de l'aorte abdominale. Une banque d'images sur le Web a permis de passer en revue des cas complexes dans le cadre d'un partenariat continu. On a fait subir aux patients adressés en consultation un dépistage d'anévrismes multiples et ils ont fait l'objet d'un suivi à long terme. RÉSULTATS: En tout, 160 patients ont été examinés pour 176 anomalies aortiques. Vingt-cinq patients (17 hommes) âgés de 55 à 89 ans ont subi 26 interventions endovasculaires de l'aorte abdominale (n = 23) ou thoracique (n = 3). Aucune autre intervention endovasculaire n'a été effectuée. On n'a eu à déplorer aucun décès en lien avec les interventions, aucun recours à la dialyse ni conversion vers une chirurgie ouverte. Deux endofuites ont nécessité une réintervention précoce. La durée médiane du séjour hospitalier dans les cas d'intervention endovasculaire a été de 2,5 jours. Des endofuites chroniques ont été observées chez 7 patients. Huit autres patients ont subi une réparation ouverte d'anévrisme abdominal localement et 15 patients ont été référés au programme universitaire. CONCLUSION: La création d'un programme de chirurgie de l'aorte endovasculaire dans un hôpital rural est réalisable grâce à une collaboration avec un centre dont le volume d'interventions est élevé. La sécurité des patients est renforcée par l'obtention de secondes opinions facilitées par une banque d'images sur le Web. La plupart des interventions concernent des anévrismes de l'aorte abdominale, mais il est préférable de planifier la mise en place d'une clinique où on pourrait intervenir sur toutes les portions de l'aorte.


Subject(s)
Aortic Aneurysm, Abdominal/surgery , Endovascular Procedures , Hospitals, Rural , Remote Consultation , Surgery Department, Hospital/organization & administration , Aged , Aged, 80 and over , Aortic Aneurysm, Thoracic/surgery , Credentialing , Endoleak/epidemiology , Endovascular Procedures/adverse effects , Female , Hospitals, High-Volume , Humans , Length of Stay , Male , Middle Aged , Program Development , Remote Consultation/organization & administration
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