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Hireche K, Canaud L, Peyron PA, Sakhri L, Serres I, Kamel S, Lounes Y, Gandet T, Alric P. Ex Vivo Comparison of the Elastic Properties of Vascular Substitutes Used for Pulmonary Artery Replacement. J Surg Res 2024; 295:222-230. [PMID: 38039727 DOI: 10.1016/j.jss.2023.10.022] [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: 12/16/2022] [Revised: 10/17/2023] [Accepted: 10/30/2023] [Indexed: 12/03/2023]
Abstract
INTRODUCTION Study aims were to evaluate the elastic properties of vascular substitutes frequently used for pulmonary artery (PA) replacement, and then to compare their compliance and stiffness indexes to those of human PA. METHODS A bench-test pulsatile flow experiment was developed to perfuse human cadaveric vascular substitutes (PA, thoracic aorta, human pericardial conduit), bovine pericardial conduit, and prosthetic vascular substitutes (polytetrafluorethylene and Dacron grafts) at a flow and low pulsed pressure mimicking pulmonary circulation. Intraluminal pressure was measured. An ultrasound system with an echo-tracking function was used to monitor vessel wall movements. The diameter, compliance, and stiffness index were calculated for each vascular substitute and compared to the human PA at mean pressures ranging from 10 to 50 mmHg. RESULTS The compliance of the PA and the thoracic aorta were similar at mean physiological pressures of 10 mmHg and 20 mmHg. The PA was significantly less compliant than the aorta at mean pressures above 30 mmHg (P = 0.017). However, there was no difference in stiffness index between the two substitutes over the entire pressure range. Compared to the PA, human pericardial conduit was less compliant at 10 mmHg (P = 0.033) and stiffer at 10 mmHg (P = 0.00038) and 20 mmHg (P = 0.026). Bovine pericardial conduit and synthetic prostheses were significantly less compliant and stiffer than the PA for mean pressures of 10, 20, and 30 mmHg. There were no differences at 40 and 50 mmHg. CONCLUSIONS Allogenic arterial grafts appear to be the most suitable vascular substitutes in terms of compliance and stiffness for PA replacement.
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Affiliation(s)
- Kheira Hireche
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France; PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France.
| | - Ludovic Canaud
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France; PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Pierre Antoine Peyron
- Department of Forensic Medicine, Lapeyronie University Hospital, Montpellier, France
| | - Linda Sakhri
- Groupe Hospitalier Mutualiste de grenoble, Daniel Hollard Cancer Institute, Grenoble, France
| | - Isabelle Serres
- Department of Anatomical Pathology, Gui De Chauliac Hospital, Montpellier, France
| | - Sanaa Kamel
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France
| | - Youcef Lounes
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France; PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Thomas Gandet
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France
| | - Pierre Alric
- Department of Thoracic and Vascular Surgery, Arnaud de Villeneuve University Hospital, Montpellier, France; PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
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2
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Duranti L, Tavecchio L. Major vascular reconstructions in thoracic oncological surgery. Updates Surg 2024:10.1007/s13304-024-01763-0. [PMID: 38421567 DOI: 10.1007/s13304-024-01763-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/16/2024] [Indexed: 03/02/2024]
Abstract
The replacement of the superior vena cava and thoracic outlet vessels for thoracic malignancies often becomes necessary for radical oncological surgery. The pulmonary artery can be directly infiltrated by the tumor or affected by metastatic hilar lymph nodes. In some cases, it must be resected and reconstructed to achieve oncological radicality and/or avoid pneumonectomy. This study reflects a single-surgeon, retrospective experience spanning 6 years (2017-2023). We reviewed data from patients undergoing early anticoagulant therapy after superior vena cava or thoracic outlet vessels bypass and from patients undergoing early antiaggregation therapy following pulmonary artery reconstruction or resection. This series comprises 41 patients treated by a single surgeon. Fourteen patients underwent superior vena cava and thoracic outlet vessel procedures. Among these, eight patients received superior vena cava replacement (six for thymic malignancies and two for lung cancer), and six patients underwent jugular and subclavian artery/vein resection or replacement (all six had sarcomas). There was one death due to respiratory failure, not associated with bleeding or bypass closure. Additionally, there was one graft closure in a patient with severe coagulopathy and three instances of hemothorax (two patients had undiagnosed complex coagulopathies not evident in pre-operative routine blood tests). Following bleeding incidents, anticoagulation was initiated the next day in one case and based on hematological indications in the two coagulopathic patients. In the pulmonary artery series, 27 patients were involved: 20 underwent direct suture after tangential resection, and 7 received pericardial patch reconstruction. Only one case experienced bleeding necessitating redo-surgery. All these patients received early and chronic antiaggregation therapy after pulmonary artery reconstruction. We conclude that major thoracic oncological vascular surgery is safe and feasible with appropriate technical skills. However, achieving optimal results requires integration with correct early anticoagulant therapy or antiaggregation to maintain the patency of bypasses/grafts and prevent life-threatening risks associated with closure of the "new vessels."
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Affiliation(s)
- Leonardo Duranti
- Thoracic Surgery Unit, IRCCS Istituto Nazionale dei Tumori Foundation, Via Venezian 1, 20133, Milan, Italy.
| | - Luca Tavecchio
- Thoracic Surgery Unit, IRCCS Istituto Nazionale dei Tumori Foundation, Via Venezian 1, 20133, Milan, Italy
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3
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Duman S, Erdoğdu E, Özkan B. Double sleeve resections. TURK GOGUS KALP DAMAR CERRAHISI DERGISI 2023; 31:S29-S39. [PMID: 38344125 PMCID: PMC10852211 DOI: 10.5606/tgkdc.dergisi.2023.24754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 03/07/2023] [Indexed: 02/21/2024]
Abstract
Double sleeve lung resections are complex surgical procedures that require specialized surgical expertise and careful patient selection. These procedures allow for the preservation of lung tissue while still achieving complete tumor resection for central tumors. Although initially considered high-risk operations, double sleeve lung resections have become a viable option for central tumors. Recent studies have shown that double sleeve lung resections are associated with lower morbidity and mortality rates than pneumonectomy. Furthermore, double sleeve lung resections may be associated with similar or even better long-term oncological outcomes compared to pneumonectomy, with the added benefit of preserving lung parenchyma and reducing the incidence of postoperative complications.
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Affiliation(s)
- Salih Duman
- Department of Thoracic Surgery, Istanbul University Faculty of Medicine, Istanbul, Türkiye
| | - Eren Erdoğdu
- Department of Thoracic Surgery, Istanbul University Faculty of Medicine, Istanbul, Türkiye
| | - Berker Özkan
- Department of Thoracic Surgery, Istanbul University Faculty of Medicine, Istanbul, Türkiye
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4
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Amirkhosravi F, Kim MP. Complex Robotic Lung Resection. Thorac Surg Clin 2023; 33:51-60. [DOI: 10.1016/j.thorsurg.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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5
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Menna C, Rendina EA, D’Andrilli A. Parenchymal Sparing Surgery for Lung Cancer: Focus on Pulmonary Artery Reconstruction. Cancers (Basel) 2022; 14:cancers14194782. [PMID: 36230705 PMCID: PMC9563968 DOI: 10.3390/cancers14194782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 09/20/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Reconstruction of the pulmonary artery (PA) associated with lobectomy for the radical resection of lung cancer has been progressively gaining diffusion in lung cancer surgery as a safe and effective therapeutic option that may allow radical resection when lobectomy is not technically feasible, avoiding pneumonectomy. There are some controversial aspects concerning the intraoperative and perioperative management of a sleeve resection with PA reconstruction that may influence the outcome. In the present article, the authors have analyzed some of the main technical and oncological aspects to take stock of what they have learned from their lung-sparing operations experience over time. PA reconstruction may require prosthetic materials including different options with variable cost. A main concern in vascular reconstructive procedures is avoiding tension on the anastomosis. When PA reconstruction is required, appropriate anticoagulation management is crucial. Results from the main literature data confirm the reliability of lobectomy associated with PA reconstruction in terms of perioperative morbidity and long-term survival. Sleeve lobectomy and PA reconstruction can be performed safely and effectively even after induction therapy.
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Affiliation(s)
- Cecilia Menna
- Correspondence: ; Tel.: +39-(0)6-3377-5155; Fax: +39-(0)6-3377-5578
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6
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Tsuchiya T, Matsumoto K, Miyazaki T, Doi R, Tomoshige K, Watanabe H, Kiya S, Miura T, Ishimaru H, Nagayasu T. Successful pulmonary artery stenting for occlusion at a constructed pericardial conduit after right upper double sleeve lobectomy. Gen Thorac Cardiovasc Surg 2022; 70:402-405. [PMID: 35044635 DOI: 10.1007/s11748-022-01770-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022]
Abstract
The patient was a 53-year-old man. His chief complaint was a cough and dyspnea on exertion. Computed tomography (CT) showed a 3-cm-diameter tumor in the right upper lobe with invasion from hilar lymph nodes to the superior vena cava, right main bronchus, and pulmonary artery. After being diagnosed with non-small cell lung cancer, the patient underwent preoperative induction radiochemotherapy. At surgery, right upper double sleeve lobe lobectomy was performed. The right main pulmonary artery was reconstructed using a pericardial conduit. CT 1 week after surgery showed impaired blood flow in the right pulmonary artery. A metal vascular stent was inserted into the narrow part of the constructed pulmonary artery in the hybrid operating room because thrombectomy was unsuccessful. After surgery, contrast CT showed that blood flow was maintained. The patient is currently well without any recurrence 3 years after surgery.
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Affiliation(s)
- Tomoshi Tsuchiya
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Keitaro Matsumoto
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.,Medical-Engineering Hybrid Professional Development Center, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan
| | - Takuro Miyazaki
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Ryoichiro Doi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Koichi Tomoshige
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hironosuke Watanabe
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Soichiro Kiya
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takashi Miura
- Department of Cardiovascular Surgery, Nagasaki University Hospital, Sakamoto, Nagasaki, Japan
| | - Hideki Ishimaru
- Radiological Sciences, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki, Japan
| | - Takeshi Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.,Medical-Engineering Hybrid Professional Development Center, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan
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7
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Watanabe I, Hattori A, Fukui M, Matsunaga T, Takamochi K, Suzuki K. Pulmonary artery reconstruction for non-small cell lung cancer: Surgical management and long-term outcomes. J Thorac Cardiovasc Surg 2022; 164:1200-1207. [DOI: 10.1016/j.jtcvs.2022.01.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/17/2021] [Accepted: 01/11/2022] [Indexed: 11/25/2022]
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8
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Bölükbas S, Baldes N, Bergmann T, Eberlein M, Beqiri S. Standard and extended sleeve resections of the tracheobronchial tree. J Thorac Dis 2020; 12:6163-6172. [PMID: 33209454 PMCID: PMC7656394 DOI: 10.21037/jtd.2020.02.65] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Anatomic resections with bronchial and/or vascular resections and reconstruction, so called sleeve resections were originally performed in patients with impaired cardio-pulmonary reserves. Nowadays, sleeve resections are established surgical procedures of first choice for tracheobronchial pathologies, whenever anatomically and oncologically feasible. Experienced thoracic surgeons have a broad surgical armentarium to avoid a pneumonectomy and the morbidity and mortality associated with it. Sleeve resections are associated with better outcomes in all aspects. Thus, sleeve resection is not an alternative for pneumonectomy and vice versa. In this review article we set out to provide a contemporary overview on this topic.
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Affiliation(s)
- Servet Bölükbas
- Department of Thoracic Surgery, Kliniken Essen-Mitte, Essen, Germany
| | - Natalie Baldes
- Department of Thoracic Surgery, Kliniken Essen-Mitte, Essen, Germany
| | - Thomas Bergmann
- Department of Thoracic Surgery, Kliniken Essen-Mitte, Essen, Germany
| | - Michael Eberlein
- Division of Pulmonary, Critical Care and Occupational Medicine, University of Iowa Hospitals and Clinics, Iowa City, USA
| | - Safet Beqiri
- Department of Thoracic Surgery, Kerckhoff-Klinik, Bad Nauheim, Germany
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9
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Shiraishi T, Hiratsuka M, Miyahara S, Waseda R, Sato T, Iwasaki A. Pulmonary artery "conduit" reconstruction using bovine pericardium following long-segment sleeve resection: a unique "in situ tailor-made" sewing method. Gen Thorac Cardiovasc Surg 2019; 68:411-413. [PMID: 31531836 DOI: 10.1007/s11748-019-01206-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 09/05/2019] [Indexed: 11/26/2022]
Abstract
We describe a unique technique for pulmonary artery reconstruction using a bovine pericardial conduit after long-segment sleeve resection of the pulmonary artery. In this technique, the conduit tube was not created in advance but was sewn in situ from a bovine pericardial "sheet" step-by-step to form a desirable diameter, length and curve to fit the vascular defect. This is a safe and secure method to create desirable conduit for long and complex pulmonary artery replacement.
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Affiliation(s)
- Takeshi Shiraishi
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan.
| | - Masafumi Hiratsuka
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan
| | - So Miyahara
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan
| | - Ryuichi Waseda
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan
| | - Toshihiko Sato
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan
| | - Akinori Iwasaki
- Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University School of Medicine, 7-45-1, Jonan-ku, Fukuoka City, 814-0180, Fukuoka, Japan
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10
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D’Andrilli A, Maurizi G, Ciccone AM, Andreetti C, Ibrahim M, Menna C, Vanni C, Venuta F, Rendina EA. Long-segment pulmonary artery resection to avoid pneumonectomy: long-term results after prosthetic replacement. Eur J Cardiothorac Surg 2017; 53:331-335. [DOI: 10.1093/ejcts/ezx353] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/02/2017] [Accepted: 08/23/2017] [Indexed: 11/13/2022] Open
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11
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Pulmonary artery reconstruction with a tailor-made bovine pericardial conduit following sleeve resection of a long segmental pulmonary artery for the treatment of lung cancer: technical details of the dog-ear method for adjusting diameter during vascular anastomosis. Gen Thorac Cardiovasc Surg 2016; 65:304-307. [PMID: 27796918 DOI: 10.1007/s11748-016-0725-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 10/21/2016] [Indexed: 10/20/2022]
Abstract
Sleeve resection of the pulmonary artery (PA) is always required for lung-sparing operations in which half or more of the vessel circumference is infiltrated by the primary tumor or metastatic hilar nodes. Following sleeve resection, conduit reconstruction may be indicated if there is excessive distance between the two vascular stumps, because there is a high degree of tension when repaired by direct anastomosis. We herein present a case of PA reconstruction using a tailor-made bovine pericardial conduit after sleeve resection of PA during lung cancer surgery. The length of resection was longer than 3 cm, and the difference in diameter between the conduit and peripheral PA stump was larger than 0.5 cm. We describe the surgical and oncological merits of a bovine pericardial conduit, and provide details of our reconstruction technique, focusing on adjustment of diameter between the conduit and peripheral PA (dog-ear method).
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12
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Maurizi G, D'Andrilli A, Venuta F, Rendina EA. Bronchial and arterial sleeve resection for centrally-located lung cancers. J Thorac Dis 2016; 8:S872-S881. [PMID: 27942409 DOI: 10.21037/jtd.2016.06.48] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The use of bronchial and arterial sleeve resections for the treatment of centrally-located lung cancers, when available, has become the option of choice in comparison with pneumonectomy (PN). Technical expertise, in particular in vascular reconstruction, and perioperative management improved over time allowing excellent short-term and long-term results. This is even truer if considering literature data from the main experiences published in the last years. These evidences have given to such lung sparing reconstructive procedures more and more acceptance among the surgical community. This article focuses on the main technical aspects and literature data regarding bronchovascular sleeve resections.
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Affiliation(s)
- Giulio Maurizi
- Department of Thoracic Surgery, Sant'Andrea Hospital, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Antonio D'Andrilli
- Department of Thoracic Surgery, Sant'Andrea Hospital, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Federico Venuta
- Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy;; Lorillard Spencer-Cenci Foundation, Rome, Italy
| | - Erino Angelo Rendina
- Department of Thoracic Surgery, Sant'Andrea Hospital, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy;; Lorillard Spencer-Cenci Foundation, Rome, Italy
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13
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Maurizi G, D'Andrilli A, Venuta F, Rendina EA. Reconstruction of the bronchus and pulmonary artery. J Thorac Dis 2016; 8:S168-80. [PMID: 26981268 DOI: 10.3978/j.issn.2072-1439.2016.02.06] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Bronchovascular reconstructive procedures employed in order to avoid pneumonectomy (PN) in patients functionally unsuitable have provided, over time, excellent results, similar or even better than those obtained by PN. In recent years, new successful techniques have been developed that pertain in particular the prevention of major complications and the reconstruction of the pulmonary artery (PA). Encouraging data from increasing number of published experiences support the choice of parenchymal sparing procedures for lung cancer also in patients with good functional reserve. This is even more true if considering trials published in the last 10 years, thus indicating that improved outcome can be achieved with increased experience in reconstructive techniques and perioperative management. This article discusses the main technical aspects and results of literature.
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Affiliation(s)
- Giulio Maurizi
- 1 Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy ; 2 Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy ; 3 Lorillard Spencer Cenci Foundation, Rome, Italy
| | - Antonio D'Andrilli
- 1 Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy ; 2 Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy ; 3 Lorillard Spencer Cenci Foundation, Rome, Italy
| | - Federico Venuta
- 1 Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy ; 2 Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy ; 3 Lorillard Spencer Cenci Foundation, Rome, Italy
| | - Erino Angelo Rendina
- 1 Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy ; 2 Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy ; 3 Lorillard Spencer Cenci Foundation, Rome, Italy
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14
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D'Andrilli A, Maurizi G, Andreetti C, Ciccone AM, Ibrahim M, Poggi C, Venuta F, Rendina EA. Pulmonary artery reconstruction with pulmonary vein conduit for lung cancer: medium-term results. Ann Thorac Surg 2014; 98:990-5. [PMID: 25038016 DOI: 10.1016/j.athoracsur.2014.04.110] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 04/17/2014] [Accepted: 04/22/2014] [Indexed: 11/15/2022]
Abstract
BACKGROUND The use of an autologous pulmonary vein (PV) conduit for reconstruction of the pulmonary artery (PA) in lung-sparing resections was first described in 2009, but to date only two case reports appeared and no medium-term and long-term results have been reported, to our knowledge. We present the first case series with medium-term follow-up. METHODS Between December 2009 and December 2012, 9 patients undergoing PA sleeve resection for centrally located lung cancer received reconstruction by this technique. Three of these patients underwent induction chemotherapy. The venous graft was obtained from the proximal extraparenchymal portion of the superior PV and was sutured to the proximal and distal PA stumps with the standard anastomotic technique. RESULTS All 9 patients underwent left upper lobectomy with sleeve resection of the PA without associated bronchoplasty. The postoperative morbidity rate was 33% (1 chylothorax, 1 atrial fibrillation, and 1 parenchymal atelectasis). No adverse events related to the reconstructive procedure occurred. There was no postoperative mortality. Complete patency of the reconstructed PA was shown in all patients by postoperative contrast computed tomography every 6 months. All patients are alive at a mean follow-up time of 32 ± 12.4 months (range, 6 to 42 months). Tumor recurrence has been observed in 2 patients (1 local, 1 systemic). The median survival time is 38 months. The median disease-free survival time is 33 months. CONCLUSIONS Reconstruction of the PA by a PV graft is a feasible and effective option for parenchymal-sparing resections. The PV conduit shows tissue characteristics similar to those of the arterial wall. This technique is safe and is supported by good medium-term results.
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Affiliation(s)
- Antonio D'Andrilli
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy.
| | - Giulio Maurizi
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy
| | - Claudio Andreetti
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy
| | - Anna Maria Ciccone
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy
| | - Mohsen Ibrahim
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy
| | - Camilla Poggi
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy
| | - Federico Venuta
- Department of Thoracic Surgery, Policlinico Umberto I, Sapienza University, Rome, Italy; Lorillard Spencer Cenci Foundation, Rome, Italy
| | - Erino A Rendina
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University, Rome, Italy; Lorillard Spencer Cenci Foundation, Rome, Italy
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15
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Ibrahim M, Maurizi G, Venuta F, Rendina EA. Reconstruction of the bronchus and pulmonary artery. Thorac Surg Clin 2013; 23:337-47. [PMID: 23931017 DOI: 10.1016/j.thorsurg.2013.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Sleeve lobectomy (SL) (lobectomy associated with resection and reconstruction of the bronchus, the pulmonary artery, or both) has proved to be a suitable choice for the treatment of centrally sited non-small cell lung cancer. SL for lung cancer is indicated when a tumor or an N1 lymph node infiltrates the origin of a lobar bronchus, the origin of the lobar branches of the pulmonary artery, or both but not to the extent that a pneumonectomy is required. SL can be performed safely and effectively, even after induction therapy, without an increased complication rate.
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Affiliation(s)
- Mohsen Ibrahim
- Department of Thoracic Surgery, Sant'Andrea Hospital, Sapienza University of Rome, Via di Grottarossa, 1035, Rome 00189, Italy.
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16
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Pulmonary artery reconstruction using autologous pericardium or azygos venae substitute for surgical treatment of central non-small cell lung cancer. Cell Biochem Biophys 2013; 67:949-55. [PMID: 23549737 DOI: 10.1007/s12013-013-9588-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We evaluated the clinico-surgical significance of pulmonary artery (PA) reconstruction using a patch of autologous pericardium/azygos venae substitute to treat central non-small cell lung cancer in 62 patients with pulmonary arteries invaded by tumor. According to TNM-classification, four patients were stage IIb, 46 were stage IIIa, and 12 were stage IIIb. Depending on tumor infiltration, surgical procedures included partial PA tangential resections/reconstructions by a patch of autologous azygos venae, a patch of autologous pericardium and complete PA sleeve resection and reconstruction by a custom-made autologous pericardial conduit interposition. 47 patients received postoperative chemotherapy and 19 received radiotherapy. There were 2 (3.2%) postoperative early deaths due to bronchial anastomotic leakage. Postoperative complications occurred in 17.7% (11/62) patients and all recovered uneventfully. Mean follow-up time after surgical resection was 49.5 (6-12) months and overall ≤1-, 3-, 5-, and ≥10-year survival rates were 80.2, 44.7, 31.4, and 23.1%, respectively. It was concluded that autologous pericardial patch and azygos vein patch reconstruction of PA were safe and effective. Regarding extended circumferential defects after sleeve resection in which end-to-end anastomosis is not feasible, autologous pericardial conduit interposition may be useful for reconstruction when a tumor extensively infiltrates full circumference of the PA.
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Gómez-Caro A, Boada M, Molins L. Lung parenchymal sparing using cryopreserved allografts for pulmonary artery reconstruction. Multimed Man Cardiothorac Surg 2011; 2011:mmcts.2010.004952. [PMID: 24413337 DOI: 10.1510/mmcts.2010.004952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This chapter details the indications, technique, and pitfalls of double sleeve resection with pulmonary artery (PA) replacement by a cryopreserved allograft. Both bronchial and vascular anastomoses are explained and intraoperative and postoperative allograft management are described, along with the pros and cons of each possible conduit for PA replacement.
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Affiliation(s)
- Abel Gómez-Caro
- Department of General Thoracic Surgery, Hospital Clinic, University of Barcelona (UB), Barcelona, Spain
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Yin R, Xu L, Ren B, Jiang F, Fan X, Zhang Z, Li M, Hu Z. Clinical experience of lobectomy with pulmonary artery reconstruction for central non-small-cell lung cancer. Clin Lung Cancer 2010; 11:120-5. [PMID: 20199978 DOI: 10.3816/clc.2010.n.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND In patients with central lung cancer, lobectomy can be achieved without pneumonectomy by surgical reconstruction of the pulmonary artery (PA). Herein, we report our clinical experience of 34 patients who had lobectomy with PA reconstruction, including perioperative administration, morbidity, mortality, and long-term survival. PATIENTS AND METHODS The clinical records of 34 patients who received lobectomy with PA reconstruction in our department between August 2003 and September 2005 were reviewed. RESULTS In our series, PA reconstruction with end-to-end anastomosis was performed in 18 patients (52.9%). Seven patients (20.6%) required partial PA reconstruction with autologous pericardium patch. Five patients (14.7%) with a lower lobe tumor required PA reconstruction with artery flap. The perioperative mortality was 2.9%, and 1 patient died on postoperative day 13 because of severe bronchopleural fistula. Another 2 patients had acute respiratory distress syndrome (ARDS) and required reintubation in our Intensive Care Unit. The overall Kaplan-Meier 3-year and 5-year survival rates were 46% and 37%, respectively. As compared with the stage III patients, stage I patients had significantly greater 5-year survival (80% vs. 11%; P = .005). Patients with pN0 disease also had greater 5-year survival than patients with pN2-3 disease (71% vs. 9%; P = .004). CONCLUSION In our department, PA reconstruction has been more frequently and actively performed for patients with central lung cancer, especially for some patients with a lower lobe tumor. Although the morbidity and mortality is acceptable, surgeons should be more attentive to lethal postoperative complications such as ARDS induced by lung ischemia-reperfusion injury.
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Affiliation(s)
- Rong Yin
- Department of Thoracic Surgery, Cancer Hospital of Jiangsu Province, Cancer Institution of Jiangsu Province, Nanjing, China
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Venuta F, Ciccone AM, Anile M, Ibrahim M, De Giacomo T, Coloni GF, Rendina EA. Reconstruction of the pulmonary artery for lung cancer: Long-term results. J Thorac Cardiovasc Surg 2009; 138:1185-91. [DOI: 10.1016/j.jtcvs.2009.07.043] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2009] [Revised: 07/10/2009] [Accepted: 07/20/2009] [Indexed: 11/30/2022]
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21
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Galetta D, Veronesi G, Leo F, Spaggiari L. Pulmonary artery reconstruction by a custom-made heterologous pericardial conduit in the treatment of lung cancer. Lung Cancer 2006; 53:241-3. [PMID: 16787683 DOI: 10.1016/j.lungcan.2006.05.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2006] [Revised: 04/26/2006] [Accepted: 05/10/2006] [Indexed: 11/19/2022]
Abstract
Lung cancer may involve the pulmonary artery (PA) either by direct extension of the primary tumor or by invasion of the hilar lymph nodes. In these instances, a radical resection is usually a pneumonectomy despite distal functioning lung tissue. To spare the lung parenchyma, angioplastic procedures requiring removal of a portion of the arterial wall or a circumferential resection with arterial reconstruction have been used. Several techniques of pulmonary arterioplasty have been explored suggesting that the incidence of postoperative complications is acceptably low and long-term local control can be achieved. Over a period of 7 years, 84 angioplastic procedures (alone or associated with bronchoplasty) were performed at our institution. Partial PA resection was performed in 80 (95.2%) patients. Reconstruction was performed by running suture in 63 (75%) patients and using a pericardial patch in 17 (20.2%) cases (16 autologous and 1 heterologous). A complete PA resection and reconstruction was performed in four (4.8%) patients by a polytetrafluoroethylene (PTFE) prosthesis (n=2) and by a custom-made bovine pericardial conduit (n=2). The latter are the topic of this report.
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Affiliation(s)
- Domenico Galetta
- Department of Thoracic Surgery, European Institute of Oncology, via Ripamonti 435, 20141 Milan, Italy
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22
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Abstract
Sleeve resection and prosthetic reconstruction of the pulmonary artery have progressively gained acceptance as an alternative to pneumonectomy in lung cancer surgery. Previous concern was mainly related to technical difficulties, intraoperative and postoperative complications, lack of long-term survival, and impact on cardiopulmonary function. For this reason it was not until very recently that lobectomy associated with resection and reconstruction of the pulmonary artery, associated or not to a sleeve resection of the bronchus, has been demonstrated to be an advantageous alternative. The concern about an increased complication rate has been proven to be excessive; in fact, pulmonary artery reconstruction can be performed safely and effectively with the correct indications and technique. We hereby report our experience, along with a review of the indications, the surgical technique, and outcome of pulmonary artery reconstruction.
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Affiliation(s)
- Federico Venuta
- University of Rome La Sapienza, Department of Thoracic Surgery, Policlinico Umberto I, Rome, Italy.
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Marchion DC, Pfau JC, Weber PA, Grobe AC, Duran CMG, Cheung DT. An in vitro model of pericardial tissue healing. Biomaterials 2003; 24:89-95. [PMID: 12417182 DOI: 10.1016/s0142-9612(02)00255-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION A previous study in our laboratory showed that a flap of fresh autologous pericardium bisecting the aorta of sheep retracted and became fibrotic. Histologic analyses suggested that activated cells within the pericardium contributed to the retraction of the implant. Here we report the development of an in vitro model to investigate the effects of serum on cellular proliferation and cell-mediated tissue contraction. METHODS Sections of living and ethanol-treated sheep pericardium were incubated with 0.5%, 5%, 10%, 20%, and 50% serum in medium for up to 8 days and evaluated for cellular proliferation and tissue contraction. These serum-stimulated events were further evaluated in the presence of Mitomycin C, Cytochalasin B and D, Aphidicolin, AraC, and Cycloheximide. RESULTS Cellular proliferation and cell-mediated tissue contraction were induced by serum in a dose-dependent manner. Expression of PCNA was suppressed in the presence of Cytochalasin B, Cytochalasin D, Aphidicolin, and AraC. Tissue contraction was prevented by Cycloheximide. Mitomycin C inhibited both proliferation and tissue contraction. Ethanol-treated tissue, which was absent of living cells, did not respond to stimulation with serum. CONCLUSIONS An in vitro model was developed to study the responses of cells within pericardial tissues to stimulation by serum. In this model, serum induced cellular proliferation and tissue contraction. Different chemical inhibitors independently modulated these serum-stimulated events. Pre-existing cells within pericardial tissues might respond to stimulus through differential pathways. This model may help to develop methods to make autologous pericardium a clinically useful biomaterial.
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Affiliation(s)
- Douglas C Marchion
- The International Heart Institute of Montana Foundation, 554 West Broadway, Missoula, MT 59802-4008, USA
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Rendina EA, Venuta F, de Giacomo T, Rossi M, Coloni GF. Parenchymal sparing operations for bronchogenic carcinoma. Surg Clin North Am 2002; 82:589-609, vii. [PMID: 12371587 DOI: 10.1016/s0039-6109(02)00021-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
By the end of the 1950s, the principles of tracheobronchial and pulmonary artery (PA) reconstruction had been established, and their successful clinical application had taken place. It was not until very recently, however, that these techniques aroused widespread interest among thoracic surgeons as a means to achieve complete cancer resection while preserving functioning lung parenchyma. At the present time, sleeve resection of the bronchus and/or PA has a definite role in the surgical management of lung cancer. Growing interest in this field is evidenced by an increasing number of technical variations intended to adapt the basic technique to the different anatomical settings. Also pitfalls, complications, and their prevention and treatment are being extensively described. Last but not least, functional and oncological long-term results, comparing favorably with those of more extended resections, are being reported by many groups. This demonstrates that sleeve lobectomy is no longer reserved only for particularly skillful surgeons. Sleeve lobectomy has achieved its rightful position among the techniques commonly used in thoracic surgery after 40 years of improving understanding and alternating enthusiasm and legitimate doubts.
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Affiliation(s)
- Erino A Rendina
- Department of Thoracic Surgery, II Clinica Chirurgica, University La Sapienza, Rome, Italy.
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Rendina EA, De Giacomo T, Venuta F, Ciccone AM, Coloni GF. Lung conservation techniques: bronchial sleeve resection and reconstruction of the pulmonary artery. SEMINARS IN SURGICAL ONCOLOGY 2000; 18:165-72. [PMID: 10657918 DOI: 10.1002/(sici)1098-2388(200003)18:2<165::aid-ssu10>3.0.co;2-m] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Bronchial and vascular reconstructive procedures are a technically feasible alternative to pneumonectomy and have the advantage of sparing functioning lung parenchyma. Between 1989 and 1999, we performed bronchovascular sleeve resection and reconstruction in 145 patients (109 men, 36 women; age range, 26 to 76 years, mean, 56 years) with non-small-cell lung cancer (NSCLCL). Forty-one patients had induction chemotherapy and 3 had pre-operative radiotherapy. Immediate and long-term postoperative evaluation included bronchoscopy, spirometry, electrocardiogram, Doppler echocardiography, and perfusion lung scans, computed tomography and, only recently, angio-magnetic resonance (MR) imaging. Follow-up ranged between 3 months and 10 years (mean, 3.7 years) and is complete for all patients. We report the results of this series and conclude that morbidity, mortality, and functional data indicate that bronchovascular reconstructions are equal to standard lobectomy in terms of pulmonary function. Long-term survival is comparable with that reported for standard resection (lobectomy-pneumonectomy). These findings suggest that even complex lung-sparing operations can be proposed as adequate procedures in the treatment of lung cancer as long as a complete anatomical resection is obtained.
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Affiliation(s)
- E A Rendina
- Department of Thoracic Surgery, University La Sapienza, Rome, Italy.
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Rendina EA, Venuta F, De Giacomo T, Ciccone AM, Moretti M, Ruvolo G, Coloni GF. Sleeve resection and prosthetic reconstruction of the pulmonary artery for lung cancer. Ann Thorac Surg 1999; 68:995-1001; discussion 1001-2. [PMID: 10509997 DOI: 10.1016/s0003-4975(99)00738-9] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Lobectomy associated with reconstruction of the pulmonary artery (PA) is a technically feasible alternative to pneumonectomy in patients with lung cancer. However, concern about postoperative complications and long-term survival limited its acceptance so far. METHODS Between 1989 and 1996, we performed a PA reconstruction in 52 patients (41 men, 11 women; age range 35 to 75 years, mean 60 years) with lung cancer. Eleven patients had induction chemotherapy. We performed 15 PA sleeve resections, 34 PA reconstructions by a pericardial patch, and three PA reconstructions by a pericardial conduit, associated with a bronchial sleeve lobectomy or bilobectomy (33), or with standard lobectomy (19). Immediate and long-term postoperative evaluation included spirometry, echocardiography, perfusion lung scans, computed tomography, and PA angiography. The follow-up ranged between 27 and 96 months and is complete for all patients. RESULTS We had one specific postoperative complication (PA thrombosis) and no mortality. Perfusion scans and PA angiography were normal in all but the 1 patient having thrombosis. Mean forced expiratory volume (FEV) in 1 s and forced vital capacity (FVC) were, respectively, 72% and 80% preoperatively, 65% and 76% 1 month after surgery, and then they plateaued at 70% and 78% after 6 months. Echocardiography showed patterns in the normal range and normal estimates of PA pressures in all but 2 patients. Five-year survival was 38.3% for the entire group, 18.6% for stages IIIA and B, and 64.4% for stages I and II. CONCLUSIONS Morbidity, mortality, and functional data do not differ from what is currently reported for standard lobectomy. Long-term survival is in line with that reported for standard resection. These data support PA reconstruction as a viable option in the treatment of lung cancer.
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Affiliation(s)
- E A Rendina
- Department of Thoracic Surgery La Sapienza University of Rome, Italy
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Champsaur G, Robin J, Curtil A, Tronc F, Vedrinne C, Sassolas F, Bozio A, Ninet J. Long-term clinical and hemodynamic evaluation of porcine valved conduits implanted from the right ventricle to the pulmonary artery. J Thorac Cardiovasc Surg 1998; 116:793-804. [PMID: 9806386 DOI: 10.1016/s0022-5223(98)00443-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE This retrospective study was initiated to evaluate the long-term results of valved prosthetic conduits implanted in the right ventricular outflow tract in patients with complex ventricular-pulmonary discontinuity. METHODS A cohort of 103 patients out of 127 (24 early deaths, 19%) operated on between 1973 and 1996 with porcine valved conduits was available for evaluation, with a follow-up ranging from 1 to 21.6 years (mean follow-up 8.4 +/- 6 years). A total of 74 hemodynamic studies were performed after the operation, 50 patients having undergone at least 1 cardiac catheterization during the follow-up period. RESULTS There were 16 late deaths, and the actuarial survivals, including early mortality, were 72.9% +/- 4% at 5 years, 63.1% +/- 5% at 10 years, and 58.2% +/- 5% at 15 years, at which time 20 patients were still available for review and exposed to the risk of dying. The mean peak systolic gradient across the right ventricular outflow tract was plotted as a function of time, showing a gradual increase and a significant step-up after the eighth year, from 43 +/- 36 to 69 +/- 19 mm Hg (P < .005). Reoperation was required for progressive conduit obstruction between 1.1 and 17.7 years after implantation (mean 7.4 +/- 4.8 years) in 25 patients (24%, 70% CL 15%-33%), with generally very few symptoms, or for residual ventricular septal defect in 3 patients. Freedom from reoperation was 79.5% +/- 5% at 10 years and 65.8% +/- 7% at 15 years. CONCLUSIONS Porcine conduits may represent a valuable alternative to biologic substitutes with similar long-term results. Given the few symptoms, progressive conduit stenosis after the eighth postoperative year imposes a yearly noninvasive patient evaluation during the follow-up.
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Affiliation(s)
- G Champsaur
- Department of Cardiovascular Surgery, Hôpital Cardiologique Louis Pradel, and Claude Bernard University, Lyon, France
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Rendina EA, Venuta F, De Giacomo T, Flaishman I, Fazi P, Ricci C. Safety and efficacy of bronchovascular reconstruction after induction chemotherapy for lung cancer. J Thorac Cardiovasc Surg 1997; 114:830-5; discussion 835-7. [PMID: 9375614 DOI: 10.1016/s0022-5223(97)70088-6] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The aim of this study was to ascertain the safety and efficacy of bronchial sleeve resection and reconstruction of the pulmonary artery in patients who had undergone induction chemotherapy for lung cancer. METHODS Between January 1991 and July 1996, we operated on 68 patients who had received three cycles of cisplatin-based induction chemotherapy. In 27 of these cases, we performed a lobectomy (n = 25) or bilobectomy (n = 2) associated with reconstruction of the bronchus, the pulmonary artery, or both. In only five additional patients, pneumonectomy had to be carried out. Before chemotherapy, 14 patients were in stage IIIA and 13 were in stage IIIB. All patients in stage IIIB had T4 disease; no N3 cases were included. At thoracotomy, one patient had no evidence of tumor, six were in stage I, 13 were in stage II, six were in stage IIIA, and one was in stage IIIB. Sixteen patients had epidermoid carcinoma and 11 had adenocarcinoma. RESULTS Sixteen patients underwent bronchial sleeve resection; 11 had various types of pulmonary artery reconstruction, associated with the bronchial sleeve in eight cases. In 26 patients, resection was radical with histologically negative margins. Neither bronchial complications nor deaths occurred. One patient had empyema and two had wound infections. Mean chest tube duration was 6 days. After a postoperative follow-up of 4 to 69 months (mean 25 months), 14 patients are alive and free of disease, one is alive with disease, and 12 have died. There were no local recurrences. The 1- and 4-year survival rates are 78% and 39%, respectively. CONCLUSIONS Although it is technically demanding, lobectomy associated with bronchovascular reconstruction is feasible, with good immediate and long-term results, after induction chemotherapy.
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Affiliation(s)
- E A Rendina
- Department of Thoracic Surgery, University of Rome La Sapienza, Italy
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Abstract
Discontinuity of central intrapericardial pulmonary arteries requires reconstruction of a pulmonary artery confluence before cavopulmonary connection, whether this connection be by bidirectional Glenn or Fontan procedure. Reconstruction of the central pulmonary arteries has previously been described using material of poor or no growth potential. A method is described for central pulmonary artery reconstruction that provides growth potential and is based on previous experience with Fontan lateral tunnel construction.
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Affiliation(s)
- R A Perryman
- Division of Cardiothoracic Surgery, University of Miami School of Medicine, FL 33101, USA
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