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ULTIMO FASCICOLOTHE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica


Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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The Journal of Cardiovascular Surgery 2001 Febbraio;42(1):9-16

CARDIAC PAPERS 

 ORIGINAL ARTICLES

Differences in adaptation to growth of children between internal thoracic artery and saphenous vein coronary bypass grafts

Kameda Y., Kitamura S. *, Taniguchi S., Kawata T., Mizuguchi K., Nishioka H., Sakaguchi H.

From the Depart­ment of Sur­gery III Nara Med­ical Uni­ver­sity, Kash­i­hara, ­Nara, ­Japan
*Depart­ment of Car­di­o­vas­cular Sur­gery National Car­di­o­vas­cular ­Center, ­Osaka, ­Japan

Back­ground. It is not ­known how the ­internal tho­racic ­artery (ITA) and saph­e­nous ­vein ­graft (SVG) ­adapts to ­somatic ­growth of pedi­atric ­patients who under­went cor­o­nary ­artery ­bypass ­grafting (­CABG).
­Methods. ­Twenty-two ­ITAs and 6 ­SVGs in 17 ­patients who under­went at ­least ­three post­op­er­a­tive cath­et­er­iza­tions ­with ­biplanar cinean­gio­graphy and fol­lowed for a min­imum of 5 ­years ­were eval­u­ated. We eval­u­ated the ­length, diam­eter and cur­va­ture of the ­grafts by cinean­gio­gra­phies ­which ­were per­formed at 1 ­month, 1 ­year, 5 ­years and ­more ­than 5 ­years post­op­er­a­tively.
­Results. The ­length of the ITA (1-­month: 117±31 mm, 1-­year: 134±32 mm, 5-­years: 146±28 mm, and >5-­years: 155±34 mm, p=0.032) and diam­eter of the ITA (1.4±0.4 mm, 2.0±0.7 mm, 2.3±0.6 mm and 2.6±0.6 mm, p<0.0001) sig­nif­i­cantly ­increased ­over ­time, but nei­ther the ­length nor diam­eter of the SVG ­length: 121±33 mm, 119±29 mm, 119±25 mm and 126±1 mm, p=0.9907; diam­eter: 4.1±1.0 mm, 3.9±0.7 mm, 4.0±0.8 mm and 3.3±0.4 mm, p=0.5784) ­increased. ­Although the ITA exhib­ited no ­change in cur­va­ture ­over ­time (1 ­month: 1.15±0.07, ­late: 1.15±0.07, p=0.8490), the cur­va­ture of the SVG sig­nif­i­cantly ­decreased ­over ­time (1 ­month: 1.42±0.19 and ­late: 1.25±0.16, p=0.0277). The per­cent seg­mental ­length of ­ITAs ­were ­changed ­little ­from ­early to ­late ­after ­CABG (1 ­month: prox­imal: 33.7±7.0%, ­middle: 33.3±7.9% and ­distal: 32.9±7.9%, vs ­late: 34.3±7.2%, 33.2±7.9% and 32.5±7.9%, p=0.937).
Con­clu­sions. ­ITAs ­grow in pro­por­tion to ­somatic ­growth, ­while ­SVGs ­course in a ­more ­linear ­fashion in ­adapting to ­patient ­growth.

lingua: Inglese


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