Comparison of the effect of monopolar and bipolar cauterization on skeletonized, dissected internal thoracic arteries Hiroki Yoshida, MD, Moses Hong-De.

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Presentation transcript:

Comparison of the effect of monopolar and bipolar cauterization on skeletonized, dissected internal thoracic arteries Hiroki Yoshida, MD, Moses Hong-De Wu, MD, Yasuhiro Kouchi, MD, Yoko Onuki, MD, Qun Shi, MD, Lester R. Sauvage, MD The Journal of Thoracic and Cardiovascular Surgery Volume 110, Issue 2, Pages 504-510 (August 1995) DOI: 10.1016/S0022-5223(95)70247-4 Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 1 Surgical technique for dissecting out ITA with BPC (A) and MPC (B) (a to g and a to d indicate sequence). The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 1 Surgical technique for dissecting out ITA with BPC (A) and MPC (B) (a to g and a to d indicate sequence). The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 2 Orientation of serial sections taken for study. A, Sections taken from cross section of cauterized branch. B, Sections taken from cross section of ITA main stem at branch area. The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 3 Light microscopy comparison of histologic study of influence of BPC and MPC on structure of ITA wall. A through D, Cross sections of ITA, including main stem and branch. Luminal area on left, branch area on right. E and F, Cross section of ITA branch after cauterization. G and H, Effect of secondary cauterization on wall structure at junction of ITA main stem and branch. Histologically, BPC caused much less change than MPC, both for primary and secondary cauterization (H&E staining; original magnification of A and B × 15, of C and D × 80, of E and F × 35, of G and H × 80). The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 3 Light microscopy comparison of histologic study of influence of BPC and MPC on structure of ITA wall. A through D, Cross sections of ITA, including main stem and branch. Luminal area on left, branch area on right. E and F, Cross section of ITA branch after cauterization. G and H, Effect of secondary cauterization on wall structure at junction of ITA main stem and branch. Histologically, BPC caused much less change than MPC, both for primary and secondary cauterization (H&E staining; original magnification of A and B × 15, of C and D × 80, of E and F × 35, of G and H × 80). The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions

Fig. 4 SEM findings concerning effect of cauterization on flow surface at junction of branch and main stem of ITA. BPC caused less flow surface damage and platelet adhesion than MPC (original magnification of A and B × 100, of C and D × 500). The Journal of Thoracic and Cardiovascular Surgery 1995 110, 504-510DOI: (10.1016/S0022-5223(95)70247-4) Copyright © 1995 Mosby, Inc. Terms and Conditions