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  • Title: Surgical management of bronchial stumps in lobar lung transplantation.
    Author: Kayawake H, Chen-Yoshikawa TF, Aoyama A, Motoyama H, Hamaji M, Hijiya K, Date H.
    Journal: J Thorac Cardiovasc Surg; 2018 Jul; 156(1):451-460. PubMed ID: 29730119.
    Abstract:
    BACKGROUND: The validity of lobar lung transplantation (LT) has been established in both living-donor lobar lung transplantation (LDLLT) and cadaveric-donor lung transplantation (CLT). However, bronchial stump management in lobar LT has not been precisely documented. Thus, we retrospectively analyzed our strategies for bronchial stump management in lobar LT. METHODS: Between June 2008 and August 2016, 145 LTs (72 LDLLTs and 73 CLTs) were performed at our institution. Bronchial stumps were left in 14 LDLLTs. Eight patients underwent bilateral CLTs with downsizing lobectomy. We avoided leaving donor bronchial stumps by lobar-to-lobar bronchial anastomosis, and left recipient bronchial stumps if necessary. We retrospectively reviewed the bronchial stump management methods and outcomes in these 22 patients. RESULTS: Among the 14 LDLLTs, right-to-left inverted lobar LT and right single-lobe LT with left pneumonectomy were performed in 12 and 2 patients, respectively. Among the 8 CLTs, 11 lobectomies were performed because of oversized grafts and/or localized pneumonia. Twenty-three lobar-to-lobar bronchial anastomoses were performed, and there were 21 recipient bronchial stumps in total. Three bronchial stumps were left in the donor graft, the middle bronchus in all cases. No complications related to lobar-to-lobar bronchial anastomoses were observed. All bronchial stumps healed well without developing a bronchopleural fistula. The 3-year overall survival rate was 88.1% (95% confidence interval, 58.8%-97.0%). CONCLUSIONS: We successfully avoided leaving bronchial stumps in the donor graft, except in the middle bronchus, by performing lobar-to-lobar bronchial anastomoses in lobar LTs. Excellent healing of lobar-to-lobar bronchial anastomoses and bronchial stumps was observed.
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