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Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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4/2015
vol. 12
 
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Case report

Single lung transplantation in a patient with retrospective positive cross-match

Anna Justyna Lesińska
,
Maria Piotrowska
,
Paweł Dec
,
Piotr Wasilewski
,
Anna Kubisa
,
Jarosław Pieróg
,
Norbert Wójcik
,
Michalina Czarnecka
,
Bartosz Kubisa
,
Tomasz Grodzki

Kardiochirurgia i Torakochirurgia Polska 2015; 12 (1): 351-354
Online publish date: 2015/12/30
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Introduction

According to the statistical analysis of the International Society of Heart and Lung Transplantation, survival after lung transplantation systematically improves. 88% of recipients survive three months after operation, 79% survive for one year, and about 50-60% of recipients survive five years after transplantation. The most common indication for lung transplantation is chronic obstructive pulmonary disease (COPD) (34%). Reoperation is needed in reference to 2.6% recipients. The major early causes of death are graft failure and non-CMV infections, bronchitis obliterans syndrome (BOS), chronic lung rejection, and graft failure after one year. Better results of lung transplantation occur when the operation is bilateral [1].

Case report

A 58-year-old female with hyperthyroidism, osteoporosis, and COPD in the fourth stage was classified for lung transplantation in 2011. Additional tests demonstrated PaO2 (partial pressure of oxygen) 61.2 mmHg, PaCO2 (partial pressure of carbon dioxide) 44 mmHg (on oxygen therapy 2 l/min), FEV1 (forced expiratory volume in 1 second) 0.44 l – 19.7%sd, FVC (forced vital capacity) 1,38,8% sd, 6-MWT (six-minute walk test) 174 metres, RVSP (right ventricular systolic pressure) 36 mmHg, and PRA (panel reactive antibody) 3%. After four months of expectation a 57-year-old female donor, who died because of cerebral haemorrhage and was ventilated for 48 hours with PaO2/FiO2 360 mmHg, was identified. Both women were characterised by comparable growth and identical blood group. The day after donor identification the transplantation was performed. For this purpose anterolateral thoracotomy in the fifth intercostal space and transverse sternotomy was performed. The right pulmonary vein cuff proved to be very short and tight, so it was decided to implant the left donor lung in the recipient’s right emphysemal lung locus. Elements of the recipient’s right lung hilum were dissected, cut distally with clamping of the pulmonary artery and pulmonary veins cuff. After preparation the left donor’s lung was implanted in the contralateral position. In conjunction with different bronchus diameters the donor bronchus was telescopically placed in the recipient’s bronchus and stitched with single absorbable sutures 3-0. The artery and vein were anastomosed with vascular suture 4-0. The pulmonary circulation was vented and restored, and the ventilation was resumed. After haemostasis was obtained the correct function of the graft was confirmed. Two drains were inserted in the pleural cavity, and closure of the thorax was carried out. Metal suturing of the sternum and the suturing of the periosteum of the fifth rib and layered lid suture were performed (Fig. 1). After operation the patient was transferred to the intensive care unit (ICU), where she stayed for eight days. Because of retrospectively positive cross-match it was necessary to implement five automatic plasmapheresis and to apply human immunoglobulin and rituximab to diminish concentration of lymphocytotoxic antibodies against HLA antigens. On the third day after transplantation the primary graft dysfunction and rising emphysema of the recipient’s own lung shifted the mediastinum towards the graft side. As well as standard treatment, C1-esterase was provided to deplete the extracapillary exudation, and the operative (lung volume reduction surgery – LVRS) reduction of emphysemal changed lung tissue was pursued with complication of prolonged air leakage (Fig. 2). In ICU the patient needed infusion of 16 units of fresh frozen plasma (FFP), 2 units of packed red blood cells (PRBCs), and 100 ml of 20% albumin. The right lung drainage was removed after seven days and the left one after 35 days. On the 44th day after transplantation the patient was discharged from hospital with the following study results: PO2 68.9 mmHg, PCO2 44.0 mmHg (without oxygen therapy), FEV1 1.12-50.5%, FVC 1.38-52.2%, 6-MWT 246 metres, and with recommendation of taking immunosuppressing medications such as: 50 mg of cyclosporine twice a day, 1000 mg of mycophenolate mofetil twice a day, and 10 mg of prednisone once a day. Four months after the operation the first acute organ rejection episode occurred (Fig. 3). It was histopathologically confirmed and antibodies against donor antigens were detected (anti-HLA class II 158.57-701.89 MFI). On the third day the therapy with methylprednisolone was pursued. In chronically treatment instead of cyclosporine the tacrolimus of 0.5 mg a day was implemented. Additionally, the hospitalisation was complicated by Moraxella catarrhalis infection, so amoxicillin with clavulanic acid was applied. Diagnostic tests performed meanwhile showed transient renal failure, ion disorders, hypoproteinaemia, and leukopaenia. At the turn of fifth and sixth month after transplantation the next complications occurred: bronchitis caused by Corynebacterium pseudodiphtericum, and Escherichia coli urinary tract infection, both treated with amoxicillin and clavulanic acid, and a second episode of acute graft rejection. During the next two months E. coli sepsis was seen and was treated with ceftazidime. Then the cytomegalovirus disease treated with ganciclovir, pulmonary embolism, and anxiety disorder treated with opipramol and venlafaxine occurred. On account of leukopenia 2900/µl the pantoprazole and mycophenolate mofetil doses were reduced. After the next month the third episode of acute graft rejection appeared, following bacterial infection caused by Pseudomonas aeruginosa cured with ciprofloxacin and ceftazidime and bilateral otitis with sinus and temporal bone polyposis development, hence clindamycin and budesonide inhalation were applied. Because of hypogammaglobulinaemia it was decided to assign human immunoglobulins every three weeks. During the 11th and 12th month after the transplantation (Fig. 4) the next bacterial infections caused by Acinetobacter baumanii, Proteus mirabilis, Candida albicans, C. glabrata and Aspargillus species ensued. The therapy contained cefuroxime, imipenem, ampicillin with sulbactam, amikacin, amphotericin B, itraconazole, and colistin. Meanwhile drug-induced diabetes with rapid decompensation occurred, which initially needed glimepiride and then insulin therapy. Later, renal failure and a fourth episode of acute lung rejection appeared. Between the 14th and 16th month after lung transplantation the fifth episode of rejection appeared, renal failure deepened, and destabilisation of diabetes occurred. The cytomegalovirus disease activated and valganciclovir was used in therapy, but the leukopaenia deteriorated and it was necessary to reduce the dose of the drug. In addition, Acinetobacter baumani, Klebsiella pneumoniae, and Candida albicans infections appeared. In therapy the ceftazidime, ciprofloxacin, ampicillin with sulbactam, colistin, metronidazole, tazobactam, itraconazole, and nystatin were used. At this time anti-HLA antibodies were demonstrated (donor specific antibodies – DSA). Unfortunately, the psychological state of the patient gradually worsened, and she manifested symptoms of depression. After psychiatric consultation the therapy was completed with mianserin. Collateral complication appeared as posttraumatic haematoma of the shin, which required VAC-therapy (vacuum assisted closure – VAC). 498 days after transplantation the patient died due to symptoms of sepsis after unsuccessful reanimation.

Discussion

Lung transplantation in medically incurable patients is the only method that gives a chance to lengthen their lives. However, the selection criteria of donors and recipients should be tested and innovated. Retrospectively detected anti-HLA antibodies severely complicated the hospitalisation of the aforementioned patient. Currently it is recommended that the cross-match be pursued before performing the transplantation to avoid such a situation, although there are some scientific reports discussing the primary existence of these antibodies in the recipient’s organism or their appearance as the consequence of transplanted organ dysfunction [2]. There are some case reports that adduce false positive and false negative pre-transplant virtual cross-matches [3]. However, virtual cross-match should be considered as a routine technique used before transplantation procedure in Poland. Virtual cross-match is the admitted method of prediction if the recipient produces HLA-antibodies. An appropriate computer program determines every HLA antigen immunogenicity that is incompatible with full recipient HLA haplotype as an inconsistent immunogenic loci (miss-match amino acids eplets – mmEp). Safe immunogenic incompatibility that does not result in humoral response can also be predicted with this method. It is a huge advantage in patients who need multiple transplantations. Extending the scope of immunological selection to HLA-Cw, DQ,DP increases the effectiveness of virtual cross-match (91%) in comparison to serological selection on HLA-A,B,DR used in Poland [4]. Difficulties in proper donor selection are related with imperfection of chemical reagents and antibody detection techniques. In the first case the chance for transplantation is wasted, in the second the patient is exposed to serious postoperative complications. Furthermore, the role of antibodies against the host’s own (personal) antigens in pathogenesis of chronic dysfunction of transplanted organs is discussed [5]. However, no matter which hypothesis is accepted, only quickly implemented therapy can improve the patient’s condition. The choice of treatment is plasmapheresis. There are some ambiguous reports about monoclonal antibodies although there are some indications that such treatment can be effective [6, 7]. The aforementioned clinical report allowed many conclusions to be drawn. On this basis we proceeded with mandatory cross-match before lung transplantation in every recipient with PRA > 0%. Also, the age of qualified donors is limited to 55 years old, whereas the criterion of PaO2/FiO2 was raised to > 400 mmHg. The recommended operation technique is bilateral lung transplantation because of the reservoir of microorganisms in the recipient’s own lung, so nowadays in such a clinical situation probably reconstruction of the donor’s right pulmonary vein cuff would be performed [8]. Additionally, LVRS, according to present knowledge, would not be pursued, because the shading of the graft after transplantation was caused by primary graft dysfunction and not by the recipient’s own lung. Finally, meticulous training of the transplantation team in surgical techniques should be continued, which is achieved in our case by practicing microsurgical techniques on rats and by using a cadaver workshops.

Disclosure

Authors report no conflict of interest.

References

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2. Platt JL, Cascalho EM. Donor specific antibodies after transplantation. Pediatr Transplant 2011; 15: 686-690.
3. Jacob EK, De Goey SR, Gandhi MJ. Positive virtual crossmatch with negative flow crossmatch results in two cases. Transpl Immunol 2011; 25: 77-81.
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8. Lau CL, Patterson GA. Technical considerations in lung transplantation. Chest Surg Clin N Am 2003; 13: 463-483.
Copyright: © 2015 Polish Society of Cardiothoracic Surgeons (Polskie Towarzystwo KardioTorakochirurgów) and the editors of the Polish Journal of Cardio-Thoracic Surgery (Kardiochirurgia i Torakochirurgia Polska). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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