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Renal infarction associated with low dose intravenous immunoglobulin in a kidney transplant recipient with sepsis: a case report and literature review
BMC Nephrology volume 22, Article number: 338 (2021)
The use of human intravenous immunoglobulin gamma (IVIG) is associated with thromboembolic events as a complication. There are few reported cases of renal infarction during IVIG use in the general population, but transplant kidney may be more susceptible to thromboembolic events following IVIG use.
A 41-year-old woman visited with fever and pain at the transplant kidney. Six years ago, she underwent kidney transplantation from a deceased donor. Laboratory and radiologic findings were compatible to septic condition, secondary to acute pyelonephritis. We started antibiotics, inotropics, and IVIG. The patient abruptly developed gross hematuria and urine output decreased to 100 cc/day during IVIG administration. Renal doppler and pathologic findings revealed renal infarction. Oliguria and azotemia persisted and she is undergoing maintenance hemodialysis.
Our case shows that infarction of transplant kidney can be caused by IVIG use in a patient with severe infection. Thus, when using IVIG for kidney transplant patients with high risk of thromboembolic events, we may be careful to prevent the thromboembolic events.
Human intravenous immunoglobulin gamma (IVIG) is used to immunological and anti-inflammatory treatment. IVIG has been used in primary and secondary immunodeficiency disorders, neuromuscular, infectious, autoimmune, and inflammatory disease treatment. In recent decades, the use of IVIG has been extended to the role of organ transplantation [1, 2]. IVIG therapy is generally considered safe, but the reported side effect rate of IVIG is 10–30% . Adverse effects include anaphylactic/anaphylactoid reactions, renal and pulmonary complications, thrombosis/embolism, colitis, and bloodborne infectious disease [4,5,6]. Thromboembolic events, a late and severe side effect of IVIG, including myocardial infarction, pulmonary embolism, cerebrovascular accident, deep vein thrombosis and hepatic veno-occlusive disease, are life-threatening . Other thrombotic adverse events have been reported in the use of IVIG. However, renal infarction due to IVIG use has not been reported and grafted kidney infarction following use of IVIG has only been reported in one case, following desensitization in kidney transplantation . However, there are no reports about graft infarction after use of low-dose IVIG. In this report, we present a case of grafted kidney infarction after IVIG infusion in a kidney transplant patient with severe sepsis.
A 41-year-old woman visited with fever and pain in the transplant kidney. She had end-stage renal disease due to unknown cause and underwent peritoneal dialysis for 7 years. The patient was diagnosed with azotemia 14 years ago. During her first visit, both her kidneys presented with decreased size (approximately 7.8 cm) and increased echogenecity, and her serum creatinine level was 397.8 μmol/L. Considering these, we diagnosed her with end-stage renal disease and did not perform renal biopsy to confirm any underlying disease. Before dialysis, we performed autoimmune studies, checking for anti-nuclear antibodies, anti-double-strand DNA antibodies, C3, C4, anti-glomerular basement membrane antibodies, or anti-neutrophil cytoplasmic autoantibodies, but all of them showed no evidence of autoimmune disease. In addition, the patient did not present any symptoms or signs associated with coagulopathies; her bleeding time was 1.3 min (reference range: 1–4 min). Six years ago, she underwent kidney transplantation from a deceased donor. After kidney transplantation, she received 5 mg prednisolone, 4 mg tacrolimus, and 1500 mg mycophenolate mofetil as immunosuppressants and 2.5 mg amlodipine for hypertension. Her tacrolimus trough level remained stable between 6.2 and 8.7 nmol/L. There was no rejection history. Her serum creatine level was 71.6 μmol/L, and renal graft function was normal on outpatient examination.
At 6 years after the transplantation, she visited the hospital, complaining of fever and pain in the grafted kidney. Her blood pressure was 80/50 mmHg, and her body temperature was 39.5 °C. She had direct and rebound tenderness over the grafted kidney. The urine output on the first hospital day was only 100 cc/day. She was admitted to intensive care, and her electrocardiogram showed tachycardia with normal sinus rhythm. On admission, laboratory analysis showed a white blood cell (WBC) count of 1381 × 109/L, hemoglobin level of 134 g/L, platelet count of 90 × 109/L, and C-reactive protein level of 32.0 mg/dL. Her blood urea nitrogen and serum creatinine levels were 10.7 mmol/L and 435.8 μmol/L, respectively. The lactate dehydrogenase level was 607 IU/L (reference range: 150–550 IU/L). Urine microscopy showed 5–10 WBCs/high power field (HPF) and 3–5 red blood cells/HPF. Her tacrolimus level on admission was 6.2 nmol/L. BK virus were determined on admission and the virus titer then was < 100 copies/mL in her urine or whole blood. Her thyroid-stimulating hormone and free T4 levels were 1.66 mIU/L (reference range: 0.34–4.25 mIU/L) and 10.35 pmol/L (reference range: 10.3–21.9 pmol/L), respectively. Her basal adrenocorticotropin and cortisol levels were 3.5 pmol/L (reference range: < 26 pmol/L) and 423.7 nmol/L (reference range: 138–690 nmol/L), respectively. Non-enhanced computed tomography was performed immediately after admission and revealed acute pyelonephritis (APN) (Fig. 1A). In addition, our center performed a multiplex PCR for her using a nasal swab, which is performed for detecting respiratory virus in patients with a septic condition; the PCR kit detects respiratory viruses, including influenza virus, respiratory syncytial virus, human metapneumovirus, adenovirus, human coronavirus, human enterovirus, human bocavirus, parainfluenza virus, and human rhinovirus . All viruses were not detected in our case.
Based on clinical and laboratory tests, we used ceftriaxone 2 g per day and inotropics for septic shock and APN. On the first hospital day (HD1), she had oliguria (100 cc/day), and we started emergency hemodialysis. We treated her with IVIG (Liv Gamma; SK Chemical Life Science, South Korea) for septic shock (300 mg/kg/day for 3 days). On HD2, her blood pressure stabilized with use of inotropic agents and fluid therapy, and urine output increased to 400 cc/day. However, on the second day (HD3) of IVIG administration, she abruptly developed gross hematuria and urine output decreased to 100 cc/day. At that time, we performed additional laboratory tests to differentiate the other causes of hematuria. Her platelet counts were normal at 174 × 109/L, and prothrombin time and activated partial thromboplastin time also showed normal values of 10.4 s and 34.1 s, respectively. On peripheral blood smear, microangiopathic hemolytic anemia finding was not seen. The patient underwent continuous electrocardiogram monitoring during IVIG infusion; however, there was no evidence of arrythmia. In addition, on HD 3, further heart problem was evaluated using electrocardiogram and echocardiogram. The electrocardiogram showed normal sinus rhythm without ST-T changes, whereas the echocardiogram revealed left ventricular ejection fraction decreased to 34%, and a borderline enlarged left ventricle. Echocardiogram also showed abnormalities in the basal to upper middle left ventricular regional wall motion, which is more likely to cause stress induced cardiomyopathy than acute coronary syndrome. Her abnormal echocardiographic findings were considered transient, caused by stress induced cardiomyopathy owing to septic shock.
IVIG treatment was terminated at HD4, but oliguria and gross hematuria persisted. We considered a kidney biopsy to evaluate oliguria and hematuria, but could not proceed because her serious condition. The fever was persisted so the antibiotic was changed to meropenem. On HD 4, vancomycin added due to persistent fever following antibiotic change. On HD7, the fever disappeared, but oliguria persisted. LDH levels on HD 9 and 14 increased to 1704 and 1258 IU/L, respectively, compared to 607 IU/L at the time of admission. Blood and urine cultures were repeatedly performed since she was admitted, but no growths were identified in the two specimens. Her first transfusion was performed due to her low hemoglobin level of 76 g/L at HD 22. On HD 14, we performed conventional kidney sonography, which showed thickening of the renal pelvis and urethral wall; it did not show abnormal focal lesions and hydronephrosis. However, on HD 29, we performed doppler ultrasonography to confirm renal infarction and observed a lack of renal parenchymal and hilar vascular flow (Fig. 2A). We also performed renal biopsy and reveal that renal infarction with diffuse ischemic changes in the glomeruli but no rejection or other pathology (Fig. 2B). In addition, we performed SV40 staining using the renal biopsy specimen, and the staining results were negative for SV40. The biopsy specimen did not include medium or large vessels, and arteriolopathies, such as hyalinosis in small arteries or arterioles, were not detected within specimens. After discharge, oliguria and azotemia persisted and she is still on hemodialysis. Follow-up echocardiogram after discharge showed normal wall motion and improved left ventricular ejection fraction (71%). Her bleeding time and autoimmune studies were performed again 2 months after discharge. Her bleeding time was 2 min, and autoimmune studies once again showed negative findings. These results also did not show any evidence of coagulopathies or any autoimmune diseases as underlying comorbidities. Contrast enhanced computed tomography showed markedly atrophied transplant kidney after 4 years of renal infarction (Fig. 1B).
Discussion and conclusion
This case report describes grafted kidney infarction due to IVIG administration for the treatment of APN and severe sepsis. We used IVIG to increase serum bactericidal action and for modulation of cytokine release and immunomodulatory effects . There are few reported cases of renal infarction during IVIG use in the general population. Grafted kidney infarction following APN has only been reported in one case in a patient with atrial fibrillation . There is only one reported case of hemorrhagic infarction with graft rupture due to high-dose IVIG use for desensitization in kidney transplantation. However, grafted kidney infarction after low dose IVIG following APN with sepsis has not been reported yet.
A review of thrombotic adverse events related to the administration of IVIG between 2008 and 2010 showed that 1% of patients developed these side effects . Thrombotic events are triggered by an increase in plasma viscosity, activation of procoagulant factors or coagulation factors in the IVIG not removed by fractionation, vasospasm, autoimmune vasculitis, and an increase in the platelet count or adhesiveness. Among these, an increase in viscosity is the largest contributor to the occurrence of thrombotic events [12, 13]. Increasing plasma viscosity is associated with IgG in IVIG . Risk factors for thrombotic adverse events due to IVIG administration include a large first infusion, oral contraceptive use, prior/current thrombosis, preexisting atherosclerotic disease, elevated serum viscosity, a hereditary hypercoagulable state or idiopathic thrombocytopenic purpura, age > 45 years old, prior thrombotic events, and a hypercoagulable state, such as infection [11, 15, 16].
Renal infarction during IVIG use has not been reported yet in the general population. However, one case of rupture with hemorrhagic infarction in a grafted kidney was reported . The current case also occurred in the presence of grafted kidney infarction during IVIG administration. Although not reported in the general population, two such cases have been reported in grafted kidneys, suggesting that the grafted kidney is more susceptible to thromboembolic events. As seen in this case, thrombotic events can even occur during low-dose IVIG use in the presence of multiple risk factors and a grafted kidney (Table 1) [17, 18]. It is important to note that kidney transplantation per se may already be prone to formation of thrombosis due to artificial anastomosis of the recipient and donor vessels. This vulnerability is thought to be associated with turbulent blood flow in the grafted kidney. Furthermore, in our case, other factors may have been associated with renal infarction during IVIG administration. Septic shock is a well-known hypercoagulable state induced by the activation of the coagulation system . In addition, sepsis with severe inflammation is associated with changes in the endothelial cells, which produce an anticoagulation or profibrinolytic effect, volume depletion, and hypotension. Hypertension as an underlying comoridity, and immobilization could be associated with the stasis of blood flow and endothelial injuries. In relation to these, the use of calcineurin inhibitors or vasoactive drugs is also associated with vasoconstriction and platelet aggregation .
In our case, renal infarction was confirmed on HD 29 by renal Doppler ultrasonography. However, clinical findings indicate that renal infarction may have developed on HD 3. First, the patient had straw-colored or clear urine but abruptly developed gross hematuria during IVIG infusion on HD3. Gross hematuria continued until HD 8 and was straw-colored or brownish urine was seen from HD 9 until discharge. Second, the urine output recovered to 400 cc/day on HD 2; however, it decreased to < 100 cc/day from the onset of gross hematuria. The urine output did not recover after the onset of gross hematuria, despite improvement in the general condition and laboratory findings of the patient. Although definite diagnosis did not coincide with the development of symptoms/signs, these clinical findings provide the evidence for development of renal infarction on HD 3. We did not suspect renal infarction prior to doing a renal doppler ultrasound. There were no specific changes on the infarcted kidney, and we did not perform contrast CT due to acute kidney injury. We performed conventional kidney sonography at HD 14, which showed thickening of her renal pelvis and urethral wall. However, it did not show any abnormal focal lesions and hydronephrosis. This reveals that in patients with sudden onset of gross hematuria, acute kidney injury, and laboratory findings indicating tissue destruction, physicians should to suspect the occurrence of renal infarction. For these patients, they should perform doppler ultrasound rather than conventional ultrasound.
The patient survived from severe infection, but her grafted kidney was failure. Prevention is the most important because the occurrence of these side effects causes irreversible complications. To reduce the risk of thrombosis when using IVIG, it is essential to identify the risk factors. The daily use of IVIG should be limited to 400–500 mg/kg, and hydration should be considered before and after administration. The use of premedications, such as aspirin or low-molecular-weight heparin, may be considered in high-risk patients if it is not contraindicated to use them. Slow infusion is also effective in preventing thrombosis. The use of a protocol that includes hydration, premedication, and slow infusion in renal transplantation patients reduces the risk of thrombosis . Furthermore, in kidney transplant recipients prone to developing thromboembolic events, proper imaging surveillance should be considered to diagnose renal infarction during suitable times, especially if laboratory or clinical findings show any suspicious findings associated with renal infarction. Doppler ultrasonography or contrast CT should also be performed in patients with high risk of thromboembolic events rather than conventional ultrasonography or non-contrast CT due to their limitations in detecting renal blood flow.
There were inconsistent results regarding the association determined between the use of IVIG and clinical outcomes in septic patients. Although the meta-analysis using high quality trials alone did not show a significant effect on survival, the meta-analysis using all randomized trials showed a reduction in mortality [22, 23]. A recent trial has shown that high-dose IVIG (1.5-2.0 g/kg) is associated with favorable outcomes . Considering these, the current guidelines state that the use of IVIG in septic patients is supported by weak recommendations or weak evidence [25, 26]. However, the use of IVIG can be considered in septic patients who are also immunodeficient. In our study, the patient received three immunosuppressants and could not withdraw any of her medications. Although these medications preferentially work on T-cells, previous studies have shown that they can directly or indirectly attenuate humoral immunity [27,28,29]. There were few data regarding the efficacy of IVIG in septic patients who were kidney transplant recipients; the patient would have an acquired immunodeficient status compared to the general population. Our case shows that IVIG can be considered as a possible option of treatment in septic patients.
In conclusion, infarction of transplant kidney can be caused by IVIG use in a patient with sepsis, even with low-dose administration. Transplant kidney may be more susceptible to thromboembolic events following IVIG use. Thus, when using IVIG for kidney transplant patients with high risk of thromboembolic events, we may be careful to prevent the thromboembolic events.
Availability of data and materials
All data generated or analysed during this study are included in this published article.
Human intravenous immunoglobulin gamma
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This work was supported by the Medical Research Center Program (2015R1A5A2009124) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning. Funder had no role in study design; the collection, analysis and interpretation of data; the writing of the report; and the decision to submit the article for publication.
Ethics approval and consent to participate
This study received ethical approval from the institutional review board of Yeungnam University Hospital. Written informed consent was obtained from the patient for publication of this Case Report and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
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Choi, E.W., Do, J.Y., Kim, A.Y. et al. Renal infarction associated with low dose intravenous immunoglobulin in a kidney transplant recipient with sepsis: a case report and literature review. BMC Nephrol 22, 338 (2021). https://0-doi-org.brum.beds.ac.uk/10.1186/s12882-021-02545-1
- Renal infarction
- Intravenous immunoglobulin