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Date H. Living-donor lobar lung transplantation. J Heart Lung Transplant 2024; 43:162-168. [PMID: 37704161 DOI: 10.1016/j.healun.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 08/22/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023] Open
Abstract
Living-donor lobar lung transplantation (LDLLT) is indicated for critically ill patients who would not survive the waiting period in the case of severe brain-dead donor shortage. It is essential to confirm that potential donors are willing to donate without applying psychological pressure from others. In standard LDLLT, the right and left lower lobes donated by 2 healthy donors are implanted into the recipient under cardiopulmonary support. LDLLT can be applied to various lung diseases including restrictive, obstructive, infectious, and vascular lung diseases in both adult and pediatric patients if size matching is acceptable. Functional size matching by measuring donor pulmonary function and anatomical size matching by 3-dimensional computed tomography volumetry are very useful. When 2 donors with ideal size matching are not available, various transplant procedures, such as single lobe, segmental, recipient lobe-sparing, and inverted lobar transplants are valuable options. There seems to be immunological advantages in LDLLT as compared to cadaveric lung transplantation (CLT). Unilateral chronic allograft dysfunction is a unique manifestation after bilateral LDLLT, which may contribute to better prognosis. The growth of adult lung graft implanted into growing pediatric recipients is suggested by radiologic evaluation. Although only 2 lobes are implanted, postoperative pulmonary function is equivalent between LDLLT and CLT. The long-term outcome after LDLLT is similar to or better than that after CLT. The author has performed 164 LDLLTs resulting in 71.6% survival rate at 10 years. All living-donors returned to their previous life styles. Because of possible serious morbidity in donors, LDLLT should be applied only for critically ill patients.
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Affiliation(s)
- Hiroshi Date
- The Department of Thoracic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
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Kayawake H, Chen-Yoshikawa TF, Hamaji M, Nakajima D, Ohsumi A, Aoyama A, Date H. Acquired recipient pulmonary function is better than lost donor pulmonary function in living-donor lobar lung transplantation. J Thorac Cardiovasc Surg 2019; 158:1710-1716.e2. [DOI: 10.1016/j.jtcvs.2019.06.058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/22/2019] [Accepted: 06/07/2019] [Indexed: 10/26/2022]
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Kayawake H, Chen-Yoshikawa TF, Tanaka S, Yamada Y, Yutaka Y, Nakajima D, Ohsumi A, Hamaji M, Date H. Variations and surgical management of pulmonary vein in living-donor lobectomy. Interact Cardiovasc Thorac Surg 2019; 30:24-29. [DOI: 10.1093/icvts/ivz238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/13/2019] [Accepted: 08/20/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
OBJECTIVES
In a living-donor lobectomy, the donor undergoes a right or left lower lobectomy. The surgical procedures for living-donor lobectomy are sometimes influenced by the anatomical variations of the pulmonary vein (PV). The goal of this study was to analyse the PV variations in living donors and to review the influence of these variations on the surgical procedures used.
METHODS
Between June 2008 and September 2018, 154 living donors underwent right or left lower lobectomy. The PV variations were analysed using 3-dimensional computed tomography (3D-CT), and the surgical management of these variations was reviewed.
RESULTS
Among 154 donors, 21 PV variations that could influence the surgical procedure for a right lower lobectomy were found in 19 (12.3%) donors, whereas no such variations for a left lower lobectomy were found. Detected PV variations were dorsal branch of the right upper PV (n = 12), middle PV draining into the right lower PV (n = 6) and the superior segment branch of the right lower PV draining into the right upper PV (n = 3). Among 96 donors undergoing right lower lobectomy, 9 (9.4%) donors had PV variations that could influence the surgical procedure. In 2 donors, sparing of PV branches with multiple vascular clamps was required. Pulmonary venoplasty was not required in any donor, whereas pulmonary venoplasty in recipient surgery was required in 4 recipients. There were no complications related to the surgical procedures performed on the PV.
CONCLUSIONS
Living-donor lobectomy was performed safely owing to the preoperative evaluation of PV on 3D-CT and the use of appropriate surgical approaches to PV.
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Affiliation(s)
| | | | - Satona Tanaka
- Department of Thoracic Surgery, Kyoto University, Kyoto, Japan
| | - Yoshito Yamada
- Department of Thoracic Surgery, Kyoto University, Kyoto, Japan
| | - Yojiro Yutaka
- Department of Thoracic Surgery, Kyoto University, Kyoto, Japan
| | | | - Akihiro Ohsumi
- Department of Thoracic Surgery, Kyoto University, Kyoto, Japan
| | | | - Hiroshi Date
- Department of Thoracic Surgery, Kyoto University, Kyoto, Japan
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Kayawake H, Aoyama A, Kinoshita H, Yoneda T, Baba S, Teramoto Y, Miyagawa-Hayashino A, Yamazaki K, Motoyama H, Hamaji M, Nakajima D, Chen-Yoshikawa TF, Date H. Diameter of the dilated main pulmonary artery in patients with pulmonary hypertension decreases after lung transplantation. Surg Today 2019; 50:275-283. [PMID: 31595367 DOI: 10.1007/s00595-019-01887-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/16/2019] [Indexed: 11/26/2022]
Abstract
PURPOSE The pulmonary artery (PA) in patients with pulmonary hypertension (PH) becomes dilated. We analyzed the postoperative changes of the main PA after lung transplantation (LuTx). METHODS The subjects of this retrospective study were 68 LuTx recipients, divided into a PH group (n = 36) and a non-PH group (n = 32), based on preoperative right heart catheterization findings. The PA diameter was measured on chest computed tomography. We evaluated the correlation between the mean pulmonary arterial pressure (mPAP) and the main PA diameter and compared the main PA diameters before and 3 months after LuTx. RESULTS The main PA diameter was significantly correlated with the mPAP (r = 0.423, P < 0.001). Preoperatively, the mean main PA diameter in the PH group was significantly greater than that in the non-PH group. However, by 3 months after LuTx, the main PA diameter in the PH group had decreased significantly from 32.4 ± 6.7 to 26.9 ± 4.8 mm (P < 0.001), while that in the non-PH group had decreased minimally from 28.3 ± 4.9 to 26.4 ± 4.6 mm (P < 0.001), resulting in no significant difference in postoperative main PA diameters between the two groups. CONCLUSIONS The main PA diameter in recipients with PH was enlarged and correlated with the mPAP. The dilated main PA diameter in PH patients decreased shortly after LuTx.
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Affiliation(s)
- Hidenao Kayawake
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Akihiro Aoyama
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
- Department of Thoracic Surgery, Kobe City Medical Center General Hospital, 2 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan.
| | | | - Tomoya Yoneda
- Department of Clinical Laboratory, Kyoto University Hospital, Kyoto, Japan
| | - Shiro Baba
- Department of Pediatrics, Kyoto University, Kyoto, Japan
| | - Yuki Teramoto
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | | | - Kazuhiro Yamazaki
- Department of Cardiovascular Surgery, Kyoto University, Kyoto, Japan
| | - Hideki Motoyama
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Masatsugu Hamaji
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Daisuke Nakajima
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Toyofumi F Chen-Yoshikawa
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Kyoto University, 54 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
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Chen-Yoshikawa TF, Tanaka S, Yamada Y, Yutaka Y, Nakajima D, Ohsumi A, Hamaji M, Menju T, Date H. Intermediate outcomes of right-to-left inverted living-donor lobar lung transplantation. Eur J Cardiothorac Surg 2019; 56:1046-1053. [DOI: 10.1093/ejcts/ezz244] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 08/07/2019] [Accepted: 08/10/2019] [Indexed: 11/14/2022] Open
Abstract
AbstractOBJECTIVESOwing to the severe donor shortage in Japan, living-donor lobar lung transplantation (LDLLT) remains a valuable option. As only lobes are implanted in LDLLT, grafts may be too small, especially for adult recipients. To overcome this obstacle, we developed right-to-left inverted LDLLT. In this procedure, the right lower lobe, which is 25% bigger than the left lower lobe, is used as the left-side graft instead of the left lower lobe. This study aimed to investigate the characteristics and intermediate outcomes of right-to-left inverted LDLLT.METHODSSince the first right-to-left inverted LDLLT performed in 2014, 48 LDLLTs have been performed in our institution, of which 15 were right-to-left inverted LDLLTs. We reviewed their characteristics and intermediate outcomes.RESULTSThe reasons for choosing an inverted procedure instead of the standard LDLLT were small-for-size graft in 11 cases and anatomical variation of donor vessels in 4 cases. The first patient underwent left single LDLLT using a right lower lobe graft, and the following 14 patients underwent bilateral LDLLT using 2 right lower lobe grafts. A native upper lobe-sparing procedure was additionally applied in 2 patients. No complications occurred in the bronchial and vascular anastomoses. No operative mortality occurred, and all the patients were discharged home after LDLLT. The 3-year survival was 92.3%, with a median follow-up time of 40 months. The donor postoperative course was uneventful, and all the donors returned to their regular routine postoperatively.CONCLUSIONRight-to-left inverted LDLLT is a safe and useful option with encouraging intermediate outcome.
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Affiliation(s)
| | - Satona Tanaka
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshito Yamada
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yojiro Yutaka
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Daisuke Nakajima
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akihiro Ohsumi
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masatsugu Hamaji
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshi Menju
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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