Case Report Open Access
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World J Transplant. Mar 18, 2025; 15(1): 96696
Published online Mar 18, 2025. doi: 10.5500/wjt.v15.i1.96696
Success of intravenous immunoglobulin and steroids in managing severe COVID-19 following lung transplantation: A case report
Yen-Shou Kuo, Kuan-Hsun Lin, Ying-Yi Chen, Yuan-Ming Tsai, Ti-Hui Wu, Hsu-Kai Huang, Tsai-Wang Huang, Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114202, Taiwan
ORCID number: Yen-Shou Kuo (0000-0002-4948-5219); Tsai-Wang Huang (0000-0001-8741-9223).
Author contributions: Kuo YS wrote the manuscript; Kuo YS, Lin KH, Chen YY, Tsai YM, and Wu TH attended the postoperative care; Kuo YS and Huang HK performed the donor-lung graft harvest surgery; Kuo YS and Huang TW performed the sequential double lung transplantation in this case; All authors have read and approved the final manuscript.
Informed consent statement: After obtaining approval from the Institutional Review Board (IRB) at Tri-Service General Hospital, the study (IRB number: C202415028) was conducted in accordance with the approved protocol. The IRB approval process ensures that the study adheres to ethical guidelines and protects the rights and welfare of human subjects. The study participant provided informed consent before enrollment, and all data collected were kept confidential and handled in accordance with data protection regulations.
Conflict-of-interest statement: All authors declare that there are no conflict of interests.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Tsai-Wang Huang, MD, PhD, Professor, Surgeon, Surgical Oncologist, Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, No. 325 Section 2, Chenggong Rd, Neihu District, Taipei 114202, Taiwan. chi-wang@yahoo.com.tw
Received: May 14, 2024
Revised: October 2, 2024
Accepted: October 15, 2024
Published online: March 18, 2025
Processing time: 197 Days and 5.6 Hours

Abstract
BACKGROUND

Coronavirus disease 2019 (COVID-19) pneumonia with severe septic shock and acute respiratory distress syndrome (ARDS) are critical illnesses for patients following transplant. Intravenous immunoglobulin (IVIG) plays a role in both immune support and inflammation control, especially in immunocompromised patients. This case report describes the first successful experience using IVIG and pulse steroids to manage this critical condition following lung transplantation.

CASE SUMMARY

A 65-year-old male patient reported a history of chronic obstructive pulmonary disease and poor lung function and received bilateral sequential lung transplantations. Postoperatively, he developed COVID-19 pneumonia, severe septic shock, and ARDS. He recovered from this critical condition after empirical antibiotics administration and veno-venous extracorporeal membrane oxygenation, in addition to IVIG and pulse steroids.

CONCLUSION

IVIG is a valuable adjunct in managing severe sepsis in lung transplant recipients after COVID-19 infection. We aim, for the first time, to report the success of such a management approach for COVID-19 ARDS and sepsis in the post-lung transplant setting. With further investigations, this is a starting point for wider analysis of such an approach in this setting and consequently helps guide clinical practice for such a challenging patient population moving forward.

Key Words: COVID-19; Septic shock; Intravenous immunoglobulin; Lung transplantation; Post-transplant complications; Case report

Core Tip: The first successful experience indicated intravenous immunoglobulin as a valuable adjunct in managing severe coronavirus disease 2019 infection complicated with severe acute respiratory distress syndrome and septic shock in a lung transplant recipient.



INTRODUCTION

Patients with transplanted organs, who experience chronic immunosuppression, may demonstrate a heightened susceptibility to coronavirus disease 2019 (COVID-19) pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) compared with the general population[1]. Managing this condition, particularly in patients with exacerbation post-cytokine storm, with or without concurrent allograft deterioration, poses a significant challenge in the clinical setting, primarily because of the lack of targeted antiviral agents[2]. Intravenous immunoglobulin (IVIG) and corticosteroids have been explored for treating severe COVID-19, with varying results based on timing, dosing, and patient conditions[3-5]. This report emphasizes the efficacy of a combined therapeutic regimen that involved high-dose IVIG and corticosteroid pulses administered in a critical case of COVID-19 pneumonia with severe acute respiratory distress syndrome (ARDS) and septic shock in a patient who had undergone bilateral lung transplantation. The patient, requiring mechanical ventilation and extracorporeal membrane oxygenation (ECMO) support due to COVID-19 pneumonia, exhibited marked clinical improvement and progressive recovery of allograft function after IVIG and methylprednisolone therapy. This resulted in the patient’s discharge 114 days after treatment initiation. The synergistic immunomodulatory action of IVIG and the anti-inflammatory and immunosuppressive capabilities of corticosteroids may provide a viable therapeutic approach for managing severe COVID-19 pneumonia, particularly in patients with transplanted lung grafts experiencing an uncontrolled inflammatory response.

CASE PRESENTATION
Chief complaints

A 65-year-old man was admitted to our chest surgery ward for preparation for lung transplantation due to the end-stage lung disease caused by chronic obstructive pulmonary disease (COPD) since 2015.

History of present illness

The patient suffered from COPD since 2015. He had episodes of acute COPD exacerbations with hospitalization. Recently, he demonstrated forced expiratory volume in 1 second of 14% of predicted values and severely limited 6-minute walking distance (154 m; 23.5% of predicted values). He received long-term oxygen support since 2017. Currently, he requires oxygen supplementation with oxygen of 2 L/minute for 24 hours a day to meet oxygen demand. He was listed as a recipient of lung transplantation in April 2023 because of progressive disease. The pretransplant chest plain film revealed hyperinflation and increased opacification of both lung fields except for the right lower lung field which demonstrated hypertranslucency (Figure 1A). The pretransplant chest computed tomography (CT) revealed a diffuse emphysematous change of bilateral lungs, with marked right lung destruction (Figure 2). He underwent sequential double lung transplantation on September 29, 2023. The donor was a 39-year-old male patient with diffuse subarachnoid hematoma without cardiopulmonary resuscitation. The donor’s arterial blood gas analysis indicated an arterial oxygen partial pressure and fractional inspired oxygen (PaO2/FiO2) ratio of 591, and the chest plain film detected a bilateral clear lung field (Figure 1B). The donor’s and recipient’s human leukocyte antigen panel reactive antibody were both 0%. They were both 175 and 165 cm in height, respectively.

Figure 1
Figure 1 Chest plain film. A: The pretransplant chest plain film showed hyperinflation and increased opacification of both lung fields except for the right lower lung field which showed hypertranslucency; B: Donor chest plain film showing clear bilateral lung fields without opacity; C: Postoperative chest plain film showing increased infiltration in the left lung, with bilateral chest tube retention in the pleural cavities and surgical stitches over the chest wall; D: Chest plain film on postoperative day 8 showing diffuse patchy opacities over both lungs with veno-venous extracorporeal membrane oxygenation support; E: Chest plain film on postoperative day 121 showing a stable condition after the removal of the tracheostomy tube with full expansion of both lungs.
Figure 2
Figure 2 Recipient’s pretransplant chest computed tomography. A: Axial view; B: Coronal view. Pretransplant chest computed tomography showed diffuse emphysematous change of bilateral lungs, with marked destruction of the right lung.

The sequential double lung transplantation took approximately 10 hours. The right-side lung transplantation was first conducted, followed by left-side lung graft implantation. Pleural adhesion lysis was performed after entering the bilateral pleural cavity. A thoracic surgeon performed an end-to-end anastomosis of the bronchus. The membranous portions of the donor and recipient bronchi were approximated and anastomosed with a running suture, whereas the cartilaginous layers were anastomosed with interrupted sutures. A cardiovascular surgeon performed the end-to-end anastomosis of pulmonary arteries and veins. The patient exhibited an unstable hemodynamic status during the left-side lung transplantation, which may be caused by the cardiac traction and compression. Venoarterial (V-A) ECMO with cannulation at the left femoral vein to the right femoral artery was implanted.

Postoperatively, the patient was transferred to the surgical intensive care unit. Primary graft dysfunction manifested itself as hypoxemia and alveolar infiltration on the chest radiograph (Figure 1C). Additionally, the COVID-19 rapid screen test was positive on postoperative day (POD) 1. Daily intravenous remdesivir of 100 mg was intravenously administered to reduce the viral load. V-A ECMO was shifted to veno-venous (V-V) ECMO with cannulation at the right internal jugular vein and right femoral vein on POD 7 under stable hemodynamic status to reduce the incidence of V-A ECMO complications. However, severe ARDS and septic shock subsequently occurred on POD 8 (Figure 1D). The patient’s oxygenation and hemodynamic status rapidly deteriorated, ultimately requiring the high ventilator settings and ECMO and vasopressor support within 5 days of IgG-enriched IVIG therapy plus steroids (intravenous Privigen of 5000 mg daily plus Medason of 125 mg every 12 hours), and the patient recovered gradually. The serum C-reactive protein level decreased from 16.09 mg/dL at the start of IVIG therapy to 4.11 mg/dL 5 days thereafter. Flexible bronchoscopy was performed at 3-day intervals for airway secretion clearance to assess the condition of the bronchial anastomosis (Figure 3). A bronchial complication was not observed. The V-V ECMO was removed on POD 35. A tracheostomy was conducted on POD 43. The patient was weaned off the ventilator on POD 50. The tracheostomy tube was removed on POD 110. The patient was discharged on POD 121 after the multidisciplinary team care and pulmonary rehabilitation. The follow-up chest plain film demonstrated the remission of pneumonia patches and a stable condition (Figure 1E).

Figure 3
Figure 3 Post-operative flexible bronchoscopy. A: Right bronchial anastomosis; B: Left bronchial anastomosis. Bilateral bronchial anastomoses showing no dehiscence or stricture under flexible bronchoscopy.

The timeline of the events we mentioned was summarized as Table 1.

Table 1 Timeline of events.
Timeline of events
2023/9/28Admission
2023/9/29Sequential double lung transplantation; VA ECMO; inhale NO support
2023/9/30COVID-19 (+) > remdisivir
2023/10/3Turn off the inotropic agent
2023/10/7ARDS and severe septic shock
2023/10/7-2023/10/12IVIG plus steroids
2023/10/10Turn off the inotropic agent
2023/10/27Bedside rehabilitation
2023/11/5Remove ECMO
2023/11/13Tracheostomy
2023/12/5Transfer to ordinary ward
2024/2/5Discharge
History of past illness

The patient was diagnosed with COPD in 2015. He had frequent episodes of secondary pneumothorax and COPD with acute exacerbations from 2015 to 2023.

Personal and family history

The patient, an ex-smoker, denied any family cancer history.

Physical examination

The physical examination showed a barrel-shaped chest and decreased bilateral chest sounds.

Laboratory examinations

The respiratory panel for virus screening was positive for COVID-19 on POD 1. Laboratory data on POD 8 (the day before the administration of IVIG and steroids) were as follows:

The results of the arterial blood gas analysis were as follows: PH, 7.471-7.488; PaCO, 39.7-35.4 mmHg; PaO2, 73-77.8 mmHg; HCO3-, 29.2-27.1 mmol/L; SO2, 95.4%-96.4%; PiO2/FiO2, 112.3-119.7 mmHg, under V-V ECMO (pump speed, 2490 RPM; blood flow, 2.46 L/minute; gas flow, 2.5; FiO2, 100%) and APRV MODE with T high, 4 seconds; T low, 0.4 seconds; P high, 26; P low, 0; P mean, 24; TVi, 290-285 mL; RR, 13-14 BPM; MV, 4.9-3.8 L/minute; SpO2, 88%-94%.

The patient's blood examination revealed an elevated leukocyte count of 18020/L, with 92.5% neutrophils, a low hemoglobin level at 8.8 g/dL, and a high procalcitonin level at 6.06 ng/mL.

The first positive sputum culture was reported on POD 10, which indicated the growth of Stenotrophomonas maltophilia and Acinetobacter nosocomialis, which were sensitive to tigecycline and minocycline.

Imaging examinations

The postoperative chest CT film revealed infiltration over the left lower lung field, which indicated primary graft dysfunction of the left lung. Chest plain film on POD 3 revealed patch opacities of bilateral lungs, indicating COVID-19 with pulmonary involvement.

MULTIDISCIPLINARY EXPERT CONSULTATION

An infection disease specialist and a rheumatologist recommended standard antibiotic and antiviral therapy in combination with IVIG, an immune-modulating agent to manage severe ARDS and septic shock.

FINAL DIAGNOSIS

The final diagnosis was post-lung transplantation COVID-19 complicated with ARDS and septic shock.

TREATMENT

IVIG infusion plus steroid administration, empiric antibiotic administration, and V-V ECMO support.

OUTCOME AND FOLLOW-UP

After IVIG infusion, empiric antibiotic administration, and V-V ECMO support, the patient recovered from ARDS and septic shock. Finally, the patient was weaned off the ventilator and was discharged POD 121. The patient remained stable during the outpatient follow-up.

DISCUSSION

Individuals who have undergone lung transplantation are at high risk for severe COVID-19, primarily because of a weakened immune system. The virus triggers an excessive immune reaction, also known as a cytokine storm, which is a severe hyperinflammatory state in such patients. This condition may cause septic shock, which is marked by severe circulation, cellular function, and metabolism disruptions, thereby substantially increasing the risk for mortality[6].

Messika et al[7] investigated 35 lung transplant recipients across 11 French transplant centers who contracted COVID-19 during the study period. The diagnosis was confirmed through positive reverse-transcription polymerase chain reaction tests for SARS-CoV-2 in 30 (85.7%) patients, with a strong suspicion in the remaining 5 (14.3%). Of the 13 patients with critical illness, 7 (53.9%) underwent invasive mechanical ventilation. The overall survival rate was 85.7%, following a median follow-up of 50 (range, 41.0-56.5) days. Among the non-survivors, four experienced bronchial complications or an increase in immunosuppression before contracting the virus. Lung transplant recipients with COVID-19 are at greater risk of critical conditions, such as septic shock, and are more likely to require intensive care unit admission and mechanical ventilation, causing higher mortality rates compared with the general population.

Septic shock incidence among lung transplant recipients with COVID-19 significantly varies across different studies, a variation that likely reflects differences in patient demographics, transplant-specific factors, and COVID-19 timing following transplant. Managing COVID-19 in these patients requires a nuanced approach that balances antiviral treatments, supportive care, and adjustments to immunosuppressive therapies. Early intervention is crucial, as is vigilant monitoring for sepsis signs and robust supportive care. The therapeutic regimen, including steroids, antiviral agents, such as remdesivir, and immunomodulatory drug administration, must be carefully customized to each patient’s unique circumstances to reduce the risk of progression to septic shock[8].

IVIG is selected for its comprehensive range of antibodies, which neutralize a diverse array of pathogens. It provides passive immunity to recipients, improving the immune system’s capacity to combat infections. Additionally, IVIG possesses anti-inflammatory properties, which play a crucial role in managing the systemic inflammatory response syndrome frequently associated with sepsis. This makes IVIG a valuable tool in both immune support and inflammation control.

IVIG administration is indicated for several purposes in organ transplantation and severe sepsis as follows:

Prophylaxis

IVIG is administered to prevent infections during high-risk periods, particularly just after an organ transplant, to improve patient outcomes by boosting immune defenses.

Treatment of established infections

IVIG serves as an adjunct to standard antimicrobial therapy. It is valuable when dealing with infections related to multidrug-resistant organisms or suspected polymicrobial infections, thereby improving treatment regimen efficacy.

Immune response modulation

IVIG helps in reducing the severity of the sepsis-associated inflammatory response. This immune system modulation decreases the risk of advancing to septic shock, thereby improving patient management and survival[9].

Few studies have discussed issues on IVIG and lung transplantations. IVIG was used for the desensitization protocol for recipients after lung transplantations.

The non-IVIG group demonstrated a higher incidence of donor-specific antibody development (58.8% vs 33.3%), with an odds ratio of 2.80 (95% confidence interval: 0.77-10.79, P = 0.13), compared with the IVIG group. The median time to antibody development was 9 (Q1, Q3: 7, 19) and 28 (Q1, Q3: 7, 58) days for the non-IVIG and IVIG groups, respectively. No significant differences were observed between the groups in terms of primary graft dysfunction 72 hours following transplant or the incidence of acute cellular rejection, antibody-mediated rejection, and chronic lung allograft dysfunction at 12 months[10].

A systematic review and meta-analysis demonstrated sufficient evidence to support that IVIG reduces sepsis mortality. However, fewer articles have revealed the role of IVIG in controlling sepsis in solid-organ transplantation, particularly in recipients after lung transplantation.

The limitation of the present study includes unavailable data on serum immunoglobulin levels that could represent the inflammation status.

To the best of our knowledge, this report is the first to address the successful experience and potential therapeutic value of IVIG in treating severe COVID-19 following lung transplantation[11].

CONCLUSION

IVIG represents a valuable adjunct in treating severe sepsis in lung transplant recipients after COVID-19. Its use, both prophylactically and therapeutically, supports the immune system’s capacity to combat infections, thereby improving patient outcomes. This warrants investigation moving forward to determine the ideal management for such a patient population. This would consequently pave the way for establishing guidelines for managing such complex patients in the post-lung transplant setting.

ACKNOWLEDGEMENTS

We thank the infectious disease specialist, Wang YC and the rheumatologist, Lu CC for the suggestion of administration of intravenous immunoglobulin during the period of severe septic shock of the patient.

Footnotes

Provenance and peer review: Unsolicited article; Externally peer reviewed.

Peer-review model: Single blind

Specialty type: Transplantation

Country of origin: Taiwan

Peer-review report’s classification

Scientific Quality: Grade B

Novelty: Grade A

Creativity or Innovation: Grade B

Scientific Significance: Grade B

P-Reviewer: Eltonsy AM S-Editor: Gao CC L-Editor: A P-Editor: Zhang YL

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