Volume 13 Issue 5
Sep.  2022
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Li Caihan, Huang Heng, Wang Junjie, et al. A modified mouse model of orthotopic left lung transplantation based on 'pendulum' anastomosis of the reverse-view plane (with video demonstration)[J]. ORGAN TRANSPLANTATION, 2022, 13(5): 634-639. doi: 10.3969/j.issn.1674-7445.2022.05.013
Citation: Li Caihan, Huang Heng, Wang Junjie, et al. A modified mouse model of orthotopic left lung transplantation based on "pendulum" anastomosis of the reverse-view plane (with video demonstration)[J]. ORGAN TRANSPLANTATION, 2022, 13(5): 634-639. doi: 10.3969/j.issn.1674-7445.2022.05.013
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A modified mouse model of orthotopic left lung transplantation based on "pendulum" anastomosis of the reverse-view plane (with video demonstration)

doi: 10.3969/j.issn.1674-7445.2022.05.013

  • Heart and Lung Transplant Research Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China

More Information
  • Corresponding author: Tian Dong, Email: TianD_EATTS@nsmc.edu.cn
  • Received Date: 2022-04-02
    Available Online: 2022-09-14
  • Publish Date: 2022-09-15
    Abstract
  •   Objective  To modify the mouse model of orthotopic left lung transplantation from different perspectives, aiming to establish a simpler, faster and stabler mouse model of lung transplantation.  Methods  Based on preliminary modified rat model of orthotopic left lung transplantation established by our team, varying extent of modifications were made regarding the tracheal intubation, cannula preparation and anastomosis procedures of orthotopic left lung transplantation in the recipient mice. Orthotopic left lung transplantation in 40 mice were performed by an operator with microsurgical experience. The dissection of the recipient's hilar structure was carried out at the plane of the hilar clamp model within the reverse-view, and the three branches (left main bronchus, pulmonary artery and pulmonary vein) of the pulmonary hilum were anastomosed in turn by the "pendulum" anastomosis method. The operation time of each procedure was recorded. The recipient mice were sacrificed at postoperative 2 weeks, and the incidence of postoperative complications was recorded.  Results  Lung transplantation was successfully completed in 40 mice, with no bronchial and vascular tearing or twisting, and no bleeding at the anastomosis site. The overall cardiopulmonary procurement time was (10.7±1.5) min, cannula preparation time was (16.2±1.5) min, cold ischemia time was (25.1±2.4) min, warm ischemia time was (19.4±1.6) min, and the total operation time was (57.2±2.9) min, respectively. During the follow-up from 6 to 14 days after surgery, one recipient mouse died of pleural effusion, probably caused by infection. No pneumothorax, thrombosis or atelectasis was found in the remaining recipient mice during postoperative follow-up.  Conclusions  The modified mouse model of orthotopic left lung transplantation based on "pendulum" anastomosis of the reverse-view plane possesses multiple advantages of short operation time, high success rate and few complications, which is expected to become an alternative model of studying pathological changes after lung transplantation and worthy of further application.

     

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