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Worldwide clinical practices in perioperative antibiotic therapy for lung transplantation

Abstract

Background

Infection is the most common cause of mortality within the first year after lung transplantation (LTx). The management of perioperative antibiotic therapy is a major issue, but little is known about worldwide practices.

Methods

We sent by email a survey dealing with 5 daily clinical vignettes concerning perioperative antibiotic therapy to 180 LTx centers around the world. The invitation and a weekly reminder were sent to lung transplant specialists for a single consensus answer per center during a 3-month period.

Results

We received a total of 99 responses from 24 countries, mostly from Western Europe (n = 46) and the USA (n = 34). Systematic screening for bronchial recipient colonization before LTx was mostly performed with sputum samples (72%), regardless of the underlying lung disease. In recipients without colonization, antibiotics with activity against gram-negative bacteria resistant strains (piperacillin / tazobactam, cefepime, ceftazidime, carbapenems) were reported in 72% of the centers, and antibiotics with activity against methicillin-resistant Staphylococcus aureus (mainly vancomycin) were reported in 38% of the centers. For these recipients, the duration of antibiotics reported was 7 days (33%) or less (26%) or stopped when cultures of donor and recipients were reported negatives (12%). In recipients with previous colonization, antibiotics were adapted to the susceptibility of the most resistant strain and given for at least 14 days (67%).

Conclusion

Practices vary widely around the world, but resistant bacterial strains are mostly targeted even if no colonization occurs. The antibiotic duration reported was longer for colonized recipients.

Peer Review reports

Background

Infection is a significant complication following lung transplantation and represents the most common cause of mortality within the first year, but it is also a risk factor for chronic lung allograft dysfunction (CLAD) [1, 2]. Early infections are typically hospital-acquired, and more than half are bacterial pneumonia and surgical site infections [3]. Lung transplant recipients routinely receive perioperative antibiotic therapy, but antibiotic regimens vary widely depending on the underlying lung disease, pre-transplantation bacterial colonization, antibiotic susceptibility results and local protocols.

Clinical practice guidelines for antimicrobial prophylaxis in surgery recommend the use of cefazolin for heart and lung transplantations, but the evidence was mostly based on cardiac procedures [4]. Cystic fibrosis, chronic obstructive pulmonary disease (COPD) and less frequently interstitial lung diseases may have bronchial colonization by hospital-acquired microorganisms that possibly have multidrug resistance [5, 6]. Moreover, the emergence of pan-resistant organisms may occur, which is a relative contraindication for lung transplantation [7, 8]. In addition, donors are exposed to ventilator-associated pneumonia, which warrants consideration.

The management of antibiotics in such a context could be difficult, and strategies for decontamination and prolonged combination therapy are emerging [9]. Inversely, extended durations of broad-spectrum antimicrobials are a well-known risk factor for multidrug-resistant (MDR) bacterial and Clostridioides difficile infections [10,11,12]. There are currently no formal recommendations to guide antimicrobial selection in this specific context of lung transplant surgery [13]. Furthermore, there is also a lack of data concerning specific pathogens such as Mycobacterium and Burkholderia species [14,15,16].

The aim of this study was to assess the actual international practices of antibiotic therapy management carried out in the perioperative period of LTx.

Methods

We used Google® and websites of the international organizations of LTx (ISHLT, UNOS, and Eurotransplant) to find all the centers that perform LTx around the world and physicians (and their emails) associated with these programs. We then used PubMed® to complete our mailing list with the MeSH terms “Lung Transplantation” followed by the “name of the physician(s)”, and/or “Hospital”, “City”, “Country” of the targeted centers. Missing emails were found through publications and information regarding the corresponding authors. The maximum email addresses for each LTx center was sought, and a total of 506 valid emails were collected from 180 centers in 35 countries.

The survey was developed by our transplant team (Marseille, France) between June and September 2018. During October 2018, the survey was sent to two other French LTx centers for reviewing and validation (Strasbourg and Le Plessis Robinson). In November 2018, the survey was sent to the mailing list with a personal link to an Internet service provider (https://docs.google.com/forms/). Only one response per center was requested. The answers were collected from November 2018 to January 2019. A reminder was sent every 15 days for 2 months and then weekly for the last month.

We designed a survey consisting of five short clinical vignettes potentially encountered in daily LTx practice, inquiring about local practices concerning the management of antibiotic therapy in the perioperative period of LTx. We considered the perioperative period as the period of the transplant surgery (per operative) and the post-surgery time before any infection occurrence (postoperative). After general questions on local practices, we asked each center for their diagnostic methods for microbial screening in recipients and donors. The clinical cases were related to specific issues concerning the management of antibiotic therapy in different clinical situations, including no prior colonization, prior colonization with MDR microorganisms (defined as non-susceptibility to at least 1 agent in 3 or more antimicrobial categories) [17], colonization definition, local tuberculoid granuloma in the lung explant, and prior colonization with MDR bacteria not susceptible to beta-lactams (complete survey in Additional file 1, raw answer data in Additional file 2). We hypothesized that, first, practices vary widely according to centers, and second, that antibiotic choices and duration of use may be different according to prior colonization, lung underlying diseases, and the profiles of sensitivity of the isolated bacteria in pre-transplant.

Analyses and graphical illustrations were performed with the public software R version 3.5.1 (R Core Team (2018). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria).

Results

General questions

We received responses from 99 centers (55% return rate), which represent more than 3617 LTx performed in 2017. Answers came from 24 different countries (Fig. 1), mostly from Western Europe (n = 46) and the USA (n = 34). The median [interquartile] number of LTx per center was 28 (15–38) in 2017 (Fig. 2). Details concerning general questions on LTx performed in each center are reported in Table 1. Of the centers, 68.7% reported having a protocol for the management of perioperative antibiotic therapy.

Fig. 1
figure 1

World map representing the lung transplant centers answering the survey and the number of responses by country. The map was generated with the public R software using the “maps” package

Fig. 2
figure 2

Histogram and Boxplot representing the distribution of the number of lung transplantations per center performed in 2017. The bars are per slice of 5 lung transplantations. The boxplot corresponds to the median with the interquartile range (distance between the first and third quartiles); the lower and upper whiskers extend from the hinge to the lowest and highest (respectively) values that are within 1.5 x IQR of the hinge

LTx: lung transplantation.

Table 1 Answers to the questions concerning the general practice of lung transplantation for each center

Case 1: no prior colonization (Additional file 3)

The first case was a LTx with no known bronchial colonization. Systematic screening for bronchial colonization before LTx was performed mainly with sputum samples regardless of the underlying lung disease.

The most commonly used antibiotics were piperacillin/tazobactam (32.3%), fourth-generation cephalosporins such as cefepime (21.2%), and antibiotics with activity against methicillin-resistant Staphylococcus aureus (MRSA) (37.7%), mostly vancomycin (86%) (Fig. 3). Antibiotics with activity against MRSA were almost exclusively used by centers from the USA (84%) and systematically associated with beta-lactam and preferentially (89%) beta-lactam with activity against gram-negative bacteria (GNB)-resistant strains (piperacillin/tazobactam, cefepime, ceftazidime or carbapenem).

Fig. 3
figure 3

Bar plot representing the number of responses per antibiotic for Case 1 about antibiotic prophylaxis for interstitial lung disease without bronchial colonization. Amox+ca: amoxicillin+clavulanic acid; ampi+sulbactam: ampicillin+sulbactam; piper+tazo: piperacillin+tazobactam; 1GC: first-generation cephalosporins; 2GC: second-generation cephalosporins; 3GC: third-generation cephalosporins; 4GC: fourth-generation cephalosporins

The duration of prophylaxis in this context was very heterogeneous (Fig. 4a) but mostly 7 days (33.3%) or shorter (26.3%), or until cultures of the donor and the recipients were reported as negatives (12.1%). The antibiotic treatment was almost systematically adapted to the results of the donor samples (97.1%). After 4 days of empiric treatment, if the results of the bacteriological screening were negative, and there was no sign of infection, antibiotics were stopped in 52.5% of the centers.

Fig. 4
figure 4

Polar bar plot representing the number of responses for the duration of antibiotic prophylaxis in the context of no colonization (a, Case 1) or colonization (b, Case 2). Cultures (plot a): until donor and recipient cultures are reported negatives; Cultures (plot b): according to donor and recipient cultures; Chest tubes: until indwelling chest tubes are removed; ICU: until ICU discharge; Clinical: according to clinical course

Case 2: prior MDR colonization (Additional file 4)

The second clinical case was a LTx for cystic fibrosis with colonization with Pseudomonas aeruginosa only susceptible to carbapenems, colistin and tobramycin. This colonization was not considered a contraindication in 94.9% of the centers, and there was no pretransplant decolonization strategy in 69.7%. The postoperative antimicrobial prophylaxis consisted of meropenem or imipenem (92.9%), tobramycin (45.5%), colistin (36.3%), and antibiotics with activity against MRSA pathogens such as vancomycin, linezolid or teicoplanin (25.3%). Combined antibiotics with a carbapenem (or a new antipseudomonal cephalosporin with a beta-lactamase inhibitor) and tobramycin or colistin were proposed in 69.7%. The duration of this antibiotic treatment was very heterogeneous (Fig. 4b) but was at least 14 days in 66.7% of the centers. After 4 days of antibiotic treatment, even if the results of the bacteriological samples issued from the donor and the recipient were negative and without any sign of infection, antibiotics were not stopped in 89.9% of the centers. Similarly, cases with colonization by a Burkholderia species were not considered absolute contraindications for LTx by 11.1% of the respondents unless the strain was pan-resistant (38.4%).

Case 3: definition of colonization (Additional file 5)

The third clinical case was the definition of colonization with wild-type or MDR bacteria in a COPD recipient. The questions were related to the delay between the last bacterial isolation and the LTx to consider if the therapy should target these bacteria. In such cases, where wild bacteria (Pseudomonas aeruginosa) were isolated at least once and never found again on the last samples, the delay was widely heterogeneous: 15 days or less (14.2%), between 1 and 3 months (35.3%), 6 months (16.2%), and 1 year or more (28.2%). If the organism was an MDR strain, the duration to consider antibiotic prophylaxis targeting this bacteria was longer: 15 days or less (14.2%), between 1 and 3 months (27.3%), 6 months (22.2%), and 1 year or more (34.3%).

Case 4: tuberculoid granuloma in the lung explant (Additional file 6)

The fourth case focused on the management of a localized tuberculoid granuloma with caseous necrosis found by pathology on the lung explant with no clinical or radiological evidence of active mycobacterial infection after transplantation. Concerning the strategy to identify a causal mycobacterial agent, 51.5% of the centers performed specific mycobacterial PCR on lung explant tissue, 58.6% performed a bronchoalveolar lavage in the recipient for culture, and 54.5% repeated the screening for mycobacterium species in the recipient. In such a context, 42.4% performed a specific treatment for latent tuberculosis.

Case 5: MDR colonization not sensitive to beta-lactams (Additional file 7)

The fifth case was a LTx for cystic fibrosis with a history of colonization by MRSA and MDR strains of Pseudomonas aeruginosa only sensitive to ciprofloxacin, amikacin and colistin. Postoperative therapy against MRSA was performed with vancomycin (62.6%) or linezolid (30.3%). An antipseudomonal beta-lactam associated with ciprofloxacin or amikacin was also used in 26.3% of the centers, ciprofloxacin associated with amikacin alone was used in 21.2% of the centers, and nebulized colistin was used in 35.4% of the centers regardless of the other antibiotics.

On day 5, if the organism retrieved in the recipient perioperative samples was a wild type Pseudomonas aeruginosa, with no clinical signs of infection, 60.6% of the centers did not perform de-escalation, and 17.2% proposed de-escalation with piperacillin + tazobactam.

Practice according to large and small volume centers

We compared the practice on perioperative antibiotic therapy according to large and small volume centers (Additional file 8). The groups were defined on the median of lung transplants performed in 2017 (median = 28 LTx/year). Clinical practice on perioperative antibiotic therapy were similar between groups concerning microbiological screening, definition of a pre-transplant colonization, type and length of antimicrobial prophylaxis. Responders were more likely Pulmonologist in larger volume centers and more Surgeon in small volume centers (p = 0.02). A team protocol for antimicrobial prophylaxis was more reported in larger volume centers (80% versus 59%, p = 0.02). Pre-transplant Burkholderia species colonization was more considered as absolute contraindication in small volume centers and rather a contraindication only if pan-resistant in larger volume centers.

Discussion

The responses to our survey showed highly variable practices regarding the use of antibiotics in the perioperative period of LTx. Despite American guidelines for antimicrobial prophylaxis in surgery that recommended the use of cefazolin for heart and lung transplantations [4] (mostly to prevent the risk of surgical site infections), most of the centers (> 70%) used antibiotics against GNB-resistant strains (piperacillin/tazobactam, cefepime, ceftazidime or carbapenem), even if no previous bronchial colonization had occurred. Several studies reported that Pseudomonas aeruginosa was the most frequent microorganism to cause infections following LTx, with an occurrence rate between 25 and 60% [18,19,20,21].

Half of the infectious episodes following LTx occur in the first 30 days [18] and are derived from the recipient and/or donor or are the consequence of the induction of immunosuppressive therapy and are mainly hospital-acquired. Dudau et al. demonstrated that severities of illness and lung injury were the two major risk factors for nosocomial pneumonia recurrence despite antimicrobial therapy [21]. Nevertheless, pretransplant colonization was described as the main predictive factor of developing an infection in the postoperative period [19, 20]. Regarding this aspect, the responses of the survey were quite similar, and all centers adjusted antibiotic therapies to previous colonization when present.

Donors are also potential sources of infection and donor-derived infections in lung transplant recipients have been reported in 5–20% of cases, some with fatal outcomes [22,23,24,25], and justify antibiotic therapy against GNB-resistant strains, especially since donor lung criteria were extended to marginal donors, including donors with bronchial secretions and with prolonged mechanical ventilation [26,27,28]. Antibiotics may allow a remarkable decrease in donor-derived infections (from 5.7 to 2.9%) in a single-center study after performing tailored antibiotic treatment even when these antibiotics are given as nebulized administration [25]. An old study in 37 recipients demonstrated that organisms isolated from the donor tracheal cultures were different from those associated with early infections [29]. In any case, donor-derived infections would be in the context of ventilator-associated pneumonia (VAP), and international guidelines recommend including coverage for Staphylococcus aureus, Pseudomonas aeruginosa, and other gram-negative bacilli in all empiric regimens of VAP [30]. For the risk of donor-derived infection, the answers were homogeneous since almost all centers adjusted their therapy according to the donor results.

The risk of Staphylococcus aureus may be multifactorial (from previous bronchial colonization, the donor, the skin incision for the surgery, or post-LTx VAP). Our survey revealed that only one-third of the centers target MRSA. Antibiotics against MRSA were almost exclusively used by centers from the USA, which follows the direction of use in accordance with the local ecology of each institution. Vancomycin was the most commonly used molecule against MRSA (> 80%). The perioperative period of a LTx may be associated with hemodynamic instability and carries a risk of acute kidney injury, but higher nephrotoxicity for vancomycin compared to linezolid was never clearly demonstrated [31]. However, it was demonstrated that linezolid has better penetration into the lung [32]. Thus, the preferential use of vancomycin could be historical but could also be for pharmacodynamic reasons since vancomycin may be administered continuously and easily monitored by blood dosage.

Colonization is usually described as the detection of at least two isolates of an organism separated by a certain amount of time [33]. In this specific context of end-stage chronic pulmonary disease at high risk of hospital-acquired infection and the unknown timing of transplant when listed, bronchial colonization risk is difficult to manage. Thus, the time to define colonization and the risk of the recurrence of an agent already being isolated is not clear. For this purpose, responses were clearly heterogeneous, and the delay between the last bacteria isolation and the LTx for considering targeting the bacteria varied from 15 days until more than 1 year. Interestingly, there was a trend to consider a longer delay to define colonization with MDR bacteria.

Despite the risk of bronchial colonization, only one-third of the centers reported a pretransplant decolonization strategy. Candidates for a LTx with bronchial colonization have recurrent episodes of infection in their history despite repeated antibiotic cures. Thus, classical antibiotic strategies, such as parenteral or nebulized antibiotics, are probably considered ineffective. However, alternative decolonization strategies are emerging in the perioperative period of a LTx. Indeed, different solutions have been tested with interesting results, such as perioperative tracheobronchial lavage and/or pleural irrigation with antiseptic solutions [34, 35] or a combination of antibiotic therapies [36, 37].

Multidrug-resistant bacteria are a specific concern in lung transplantation. We observed different antibiotic strategies between non-colonization recipients and recipients colonized with MDR bacteria in our survey, even under similar clinical conditions. Indeed, the presence of MDR bacteria followed the direction of the highest “caution” and, as an example, longer antibiotic therapy and less de-escalation were the reported responses despite a well-known risk factor for multidrug-resistant (MDR) bacterial and Clostridioides difficile infections in longer therapy [10,11,12]. It is still debated whether MDR bacteria are more problematic than wild-type agents. Recently, a study from the ISHLT registry demonstrated a similar survival rate in cystic fibrosis lung transplant recipients infected with organisms labeled pan-resistant despite more infection episodes [8]. Although, in this study, there are no precise data about the bacterial species or the antibiotic treatments, most of the centers did not consider MDR bacteria a contraindication to transplantation, except in the context of pan-resistance, which is still considered at higher risk. For some species like Burkholderia cenocepacia many studies reported an increased mortality after LTx and for that reason, this colonization has been considered a contraindication in some centers [38,39,40]. Aguado et al. [41] recently recommended that MDR bacteria should not constitute a contraindication to transplantation but highlighted the importance of characterizing the isolate’s phenotypic and genotypic resistance profile to better guide treatment.

Risk management of Mycobacterium tuberculosis is also not consensual. Less than half of the centers reported a systematic screening and a specific treatment when positive for latent tuberculosis in the pretransplant evaluation. Lung transplant recipients are at higher risk of tuberculosis, and recently, guidelines recommended systematic screening and treatment for latent tuberculosis in the pretransplant assessment [42].

Antibiotic use is a well-known risk factor for MDR and Clostridioides difficile infections. The right balance to prevent infection risk with limited side effects is not known. The duration of gram-positive antimicrobials has been described to increase the risk of MDR and Clostridioides difficile infection in an analysis of 500 non-cystic fibrosis lung transplant patients [10]. In our survey, some centers adapted and stopped antibiotic therapy as soon as possible if the results of the bacteriological screening in donor and recipient were negative and there was no sign of infection. Conversely, there was a trend toward a longer duration of antibiotic therapy in the context of cystic fibrosis and MDR agents.

Our study has several limitations. Some respondents (mainly surgeons) were not in charge of antibiotic management, and thus, in those cases, the answers might maybe not reflect the real practice of these centers. The question of the survey is complex and the practice varies widely from one center to another. Thus it was really challenging to cover all aspects of the problematic and in order not to make the questions too long, we sometimes limited the choice of answers and certain situations may have been neglected. For instance, the route of administration was not always specified when asking for an antibiotic strategy. Moreover, not all 180 centers contacted have responded to the survey, but we received a global response rate of 55%. The response rate from Western Europe was the highest (62%), but some countries with experience in LTx, such as the United Kingdom and Germany, did not participate well in the survey (33 and 27%, respectively). We received no answer from China. Because we did not screen centers in advance for eligibility, it is likely that some of the nonresponders would have been ineligible (because they do not perform LTx). Furthermore, some centers may be not used to complex infectious situations since most centers perform LTx for fibrosis (61%) and may not be used to cystic fibrosis, which entails a more complex risk.

Our study revealed high heterogeneity between centers. It could be interesting now to evaluate in further appropriate randomized studies the use of antibiotics in perioperative of a LTx. From our point of view, two major questions still remain to be evaluated. Firstly, the type and the spectrum of the antibiotic therapy used, particularly in no prior colonization. And second, the duration of the postoperative antibiotic use on the prevention of postoperative infections on one hand, and on the selection of MDR strains or the occurrence of Clostridioides difficile infections on the other hand.

Conclusion

These survey results suggest that practices vary widely around the world, but hospital-acquired bacteria are mostly targeted by perioperative antibiotic therapy even if no colonization occurs, probably in order to treat possible donor-derived infections. Furthermore, there is a trend to limit antibiotic duration if the results of the bacteriological screening in the donor and recipient are negative and show no sign of infection, but the duration reported was longer for colonized recipients, cystic fibrosis patients and MDR situations.

Availability of data and materials

The complete survey and all anonymized data are available in Supplementary materials (Additional files 1 and 2).

Abbreviations

CLAD:

Chronic lung allograft dysfunction

COPD:

Chronic obstructive pulmonary disease

GNB:

Gram-negative bacteria

LTx:

Lung transplantation

MDR:

Multidrug-resistant

MRSA:

Methicillin-resistant Staphylococcus aureus

VAP:

Ventilator-associated pneumonia

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Acknowledgments

We would like to thank all the collaborators (listed below) of this study who responded to the survey and participated in the collection of these data. All participants gave voluntary their names and the name of their center to be disclosed as a collaborator. Special thanks to Dr. Allan Glanville (St. Vincent’s Hospital, Sydney, Australia), who rigorously relayed the survey to all centers from Oceania (Australia and New Zealand), and Dr. Masayuki Chida (Dokkyo Medical University Hospital, Mibu, Japan) who relayed the survey to all centers from Japan who performed lung transplantation. We would also thank the European Society of Thoracic Surgeons (ESTS), who kindly relayed the survey to its members.

We disclose having presented the results of this study in the French Intensive Care Society International Congress (Réanimation 2020). The abstract of the poster was published in the Annals of Intensive Care, Volume 10, Supplement 1: Proceedings of Réanimation 2020, the French Intensive Care Society International Congress; “P-068 Worldwide clinical practices in perioperative antibiotic therapy for lung transplantation”.

Collaborators.

Clemens Aigner, MD (Department of Thoracic Surgery, University Medicine Essen, Essen, Germany), Hakim Ali, MD (Duke Hospital, Durham, USA), Aldo Manuel Álvarez Moran, MD (Hospital de Traumatología y Ortopedia Dr. y Gral Rafael Moreno Valle, Puebla, Mexico), Todd Astor, MD (Massachusetts General Hospital, Boston, USA), John-David Aubert, MD (Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland), David Bennett, MD (Azienda Ospedaliera Universitaria Senese (AOUS), Siena, Italy), Alessandro Bertani, MD (Division of Thoracic Surgery and Lung Transplantation, IRCCS ISMETT, Palermo, Italy), Alan Betensley, MD, (Nazih Zuhdi Transplant Institute Oklahoma City, Oklahoma City, USA), Elodie Blanchard, MD (CHU Bordeaux, Bordeaux, France), Véronique Boussaud, MD (HEGP, Paris, France, Marie Budev, MD (Cleveland Clinic, Cleveland, USA), Kevin Carney, NP (Temple University Hospital, Philadelphia, USA), Daniel Chambers, MD (The Prince Charles Hospital, Brisbane, Australia), Kevin Chan, MD (University of Michigan, Ann Arbor, USA), Satish Chandrashekaran, MD (University of Florida, Gainesville, Florida, USA), Toyofumi Chen-Yoshikawa, MD (Kyoto University, Kyoto, Japan), Masayuki Chida, MD (Dokkyo Medical University Hospital, Mibu, Japan), Jose Cifrian, MD (Hospital Universitario Marqués de Valdecilla, Santander, Spain), Richard Cornwell, MD (University Hospital UW Health Madison Wisconsin, Madison, USA), Daniel Dilling, MD (Loyola University Medical Center, Chicago, USA), Karen Doucette, MD (University of Alberta, Edmonton, Canada), Patrick Evrard, MD (CHU UCL Namur site Godinne, Yvoir, Belgium), Jeremy Falk, MD (Cedars-Sinai Medical Center, Los Angeles, USA), Edward Garrity, MD (The University of Chicago Medicine, Chicago, USA), Reda Girgis, MD (Spectrum Health, Grand Rapids, Michigan, USA), Allan Glanville, MD (St.Vincent’s Hospital, Sydney, Australia), Mark Greer, MD (MHH, Hannover, Germany), Cynthia Gries, MD (Florida Hospital, Orlando, USA), Ramsey Hachem, MD (Washington University in St. Louis, St Louis, USA), Amy Hackmann, MD (Keck USC, Los Angeles, USA), Chadi Hage, MD (Indiana University, Indianapolis, USA), Jan Havlin, MD (Motol University Hospital, Prague, Czech Republic), Are Martin Holm, MD (Department of Respiratory Medicine, Oslo University Hospital, Oslo, Norway), Ilhan Inci, MD (Zurich University Hospital, Zurich, Switzerland), Peter Jaksch, MD (Medical University Vienna, Vienna, Austria), Cassie Kennedy, MD (Mayo Clinic Rochester, USA), Sarah Kilbourne, MD (University of Virginia, Charlottesville, VA, USA), Julia Klesney-Tait, MD (University of Iowa, Iowa City, USA), Christiane Knoop, MD (CHU Erasme, Brussels, Belgium), Christoph Krapf, MD (Medical University Innsbruck, Department of Cardiac Surgery, Innsbruck, Austria), Bartosz Kubisa, MD (Pomeranian Medical University of Szczecin, Szczecin, Poland), Johanna M Kwakkel-van Erp, MD (UZA, Antwerpen, Belgium), Tanel Laisaar, MD (Tartu University Hospital, Tartu, Estonia), Hillevi Larsson, MD (Section of Pulmonology and Allergology, Department of Cardiology and Pulmonary Medicine, Skåne University Hospital, Lund, Sweden), Aurélie Le Borgne, MD (Service de Pneumologie, Hôpital Larrey, Toulouse, France), James Lee, MD (University of Pennsylvania, Philadelphia, USA), Philipp M Lepper, MD (Department of Pneumology and Intensive Care Medicine, University Hospital of Saarland, Homburg, Germany), Robert Levy, MD (Vancouver General Hospital, Vancouver, Canada), Monica, Loy, MD (Thoracic Surgery - AO/University of Padua, Padua, Italy), Tanya McWilliams, MD (Auckland City Hospital, Auckland, New Zealand), Takuro Miyazaki, MD (Nagasaki Graduate School of Medicine, Nagsaki, Japan), Victor Monforte, MD (Hospital Vall d’Hebron, Barcelona, Spain), Philippe Montravers, MD (CHU Bichat Claude Bernard, Paris, France), Steven Nathan, MD (Inova Fairfax Hospital, Washington DC, USA), Andre Nathan Costa, MD (Instituto do Coracao HC FMUSP, Sao Paulo, Brasil), Anna Nolde, MD (Universitätsklinikum Hamburg Eppendorf, Hamburg, Germany), Yoshinori Okada, MD (Tohoku University Hospital, Sendai, Japan), Juan Manuel Ossés, MD (Hospital Universitario Fundación Favaloro, Buenos Aires, Argentina), Gian Maria Paganelli, MD (Pulmonology Unit, Policlinico S.Orsola-Malpighi, Bologna, Italy), Luca Paoletti, MD (Medical University of South Carolina, Charleston, SC, USA), Moo Suk Park, MD (Yonsei University College of Medicine, Severance Hospital, Seoul, South Korea), Jas Zarmar, MD (Royal Papworth Hospital, Cambridge, United Kingdom), Amit Parulekar, MD (Baylor College of Medicine, Houston, USA), Michael Perch, MD (Rigshospitalet, Copenhagen, Denmark), Charles Poirier, MD (CHUM, Montréal, Canada), Yoram Puius, MD (Montefiore Medical Center, Bronx, NY, USA), Anne-Marie Rabain, MD (Hôpital Louis Pradel, Lyon, France), Reinaldo Rampolla, MD (Ochsner Clinic, New Orleans, USA), Robert Reed, MD (University of Maryland, Baltimore, Maryland, USA), Benjamin Renaud-Picard, MD (Hôpitaux Universitaires de Strasbourg, UNISTRA, Strasbourg, France), Gerdt Riise, MD (Department of Pulmonary Medicine, Gothenburg, Sweden), Ivan Robbins, MD (Vanderbilt University Medical Center, Nashvill, USA), Lorenzo Rosso, MD (Fondazione IRCCS Ca′ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy) Antoine Roux, MD (Foch, Suresnes, France), Christel Saint-Raymond, MD (CHU Grenoble-Alpes, Grenoble, France), Julie Samuel, MD (Newcastle upon Tyne Hospitals NHS Foundation Trust (Freeman Hospital), Newcastle upon Tyne, United Kingdom), Marc Schecter, MD (Cincinnati Children’s Hospital, University of Cincinnati, Cincinnati, USA), Elena Seminari, MD (Fondzione IRCCS Policlinico San Matteo, Pavia, Italy), Takeshi Shiraishi, MD (Department of General Thoracic, Breast and Pediatric Surgery, Fukuoka University Hospital, Fukuoka, Japan), Lianne Singer, MD (University Health Network, Toronto, Canada), Jonathan Singer, MD (UCSF, San Francisco, USA), Astrid Smud, MD (Hospital Italiano de Buenos Aires, Cuidad Autonoma de Buenos Aires, Argentina), Greg Snell, MD (Alfred Hospital, Melbourne, Australia), Paola Soccal, MD (HUG, Geneva, Switzerland), Alessandra Tebaldi, MD (Infectious Disease Departement - ASST - Papa Giovanni 23°, Bergamo, Italy), Adrien Tissot, MD (CHU Nantes, Nantes, France), Rade Tomic, MD (Northwestern University, Chicago, USA), Mª Piedad Ussetti, MD (Hospital Puerta de Hierro, Madrid, Spain), David van Duin, MD (University of North Carolina, Chapel Hill, USA), Jose Manuel Vaquero, MD (University Hospital Reina Sofia, Cordoba, Spain), Federico Venuta, MD (Sapienza University, Rome, Italy), Erik AM Verschuuren, MD (Department of Pulmonology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands), Robin Vos, MD (University Hospitals Leuven, Leuven, Belgium), Keith Wille, MD (University of Alabama at Birmingham, Birmingham, USA), Ichiro Yoshino, MD (Chiba University Hospital, Chiba, Japan), Gordon Yung, MD (UCSD Health, San Diego, USA), Martin Zamora, MD (University of Colorado, Denver, USA).

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Authors and Affiliations

Authors

Contributions

BC designed the survey, collected the data, and wrote the manuscript; BC is the guarantor of the article, taking responsibility for the integrity of the work as a whole from inception to the published article. EP designed the survey, collected the data, and wrote the manuscript. SH and NC helped to design the survey. JLP, FM and RK corrected and validated the survey. ML, PAT, MRG, LP corrected the survey, participated in the interpretation of the results, and helped to write the manuscript. The authors read and approved the final manuscript.

Corresponding author

Correspondence to Benjamin Coiffard.

Ethics declarations

Ethics approval and consent to participate

Respondents of the survey gave their consent by completing the survey, choosing which questions to answer. The respondents were informed that the results of the study would be analyzed at the group level; that no individual center data would be able to be identified; and that data would be used for research purposes only. All the clinical cases exposed in the survey were invented by the authors and do not correspond to real cases. No ethical approval was sought for this study which doesn’t involve humans data. The study complies with French law (Loi Jardé. LOI n° 2012–300 du 5 mars 2012 and Délibération n° 2018–155 du 3 mai 2018) which requires ethical review only for research involving humans [43, 44] and the World Medical Association and Declaration of Helsinki’s principles for medical research involving human subjects, whose purpose is to protect individuals and ensure respect for human dignity [45].

Consent for publication

All participants provided informed consent for anonymized analysis of their answers and provided their names and the name of their center to be published as collaborators.

Competing interests

Pr. Marc Leone discloses financial support from MSD (Merck & Co., Inc., Kenilworth, NJ, USA) and Pfizer (Paris, France). Pr. Laurent Papazian reports non-financial support from Dräger SAS France, non-financial support from Maquet SAS France, outside the submitted work. Other authors have no conflict to disclose. Pr. Federica Meloni is a member of the Editorial Board of the BMC Pulmonary Medicine journal as an Associate Editor of the section “Infectious, Rare and Idiopathic Pulmonary Diseases”.

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Supplementary information

Additional file 1.

Survey sent to the lung transplantation centers.

Additional file 2.

Raw anonymized answers of the 99 participants

Additional file 3.

Answers to Case 1.

Additional file 4.

Answers to Case 2.

Additional file 5.

Answers to Case 3.

Additional file 6.

Answers to Case 4.

Additional file 7.

Answers to Case 5.

Additional file 8

Answers according to large et small volume centers. The groups were defined on the median of lung transplants performed in 2017 (n = 28). LTx: lung transplantation.

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Coiffard, B., Prud’Homme, E., Hraiech, S. et al. Worldwide clinical practices in perioperative antibiotic therapy for lung transplantation. BMC Pulm Med 20, 109 (2020). https://doi.org/10.1186/s12890-020-1151-9

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