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Ma BM, Elefant N, Tedesco M, Bogyo K, Vena N, Murthy SK, Bheda SA, Yang S, Tomar N, Zhang JY, Husain SA, Mohan S, Kiryluk K, Rasouly HM, Gharavi AG. Developing a genetic testing panel for evaluation of morbidities in kidney transplant recipients. Kidney Int 2024:S0085-2538(24)00188-1. [PMID: 38521406 DOI: 10.1016/j.kint.2024.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/18/2024] [Accepted: 02/13/2024] [Indexed: 03/25/2024]
Abstract
Cardiovascular disease, infection, malignancy, and thromboembolism are major causes of morbidity and mortality in kidney transplant recipients (KTR). Prospectively identifying monogenic conditions associated with post-transplant complications may enable personalized management. Therefore, we developed a transplant morbidity panel (355 genes) associated with major post-transplant complications including cardiometabolic disorders, immunodeficiency, malignancy, and thrombophilia. This gene panel was then evaluated using exome sequencing data from 1590 KTR. Additionally, genes associated with monogenic kidney and genitourinary disorders along with American College of Medical Genetics (ACMG) secondary findings v3.2 were annotated. Altogether, diagnostic variants in 37 genes associated with Mendelian kidney and genitourinary disorders were detected in 9.9% (158/1590) of KTR; 25.9% (41/158) had not been clinically diagnosed. Moreover, the transplant morbidity gene panel detected diagnostic variants for 56 monogenic disorders in 9.1% KTRs (144/1590). Cardiovascular disease, malignancy, immunodeficiency, and thrombophilia variants were detected in 5.1% (81), 2.1% (34), 1.8% (29) and 0.2% (3) among 1590 KTRs, respectively. Concordant phenotypes were present in half of these cases. Reviewing implications for transplant care, these genetic findings would have allowed physicians to set specific risk factor targets in 6.3% (9/144), arrange intensive surveillance in 97.2% (140/144), utilize preventive measures in 13.2% (19/144), guide disease-specific therapy in 63.9% (92/144), initiate specialty referral in 90.3% (130/144) and alter immunosuppression in 56.9% (82/144). Thus, beyond diagnostic testing for kidney disorders, sequence annotation identified monogenic disorders associated with common post-transplant complications in 9.1% of KTR, with important clinical implications. Incorporating genetic diagnostics for transplant morbidities would enable personalized management in pre- and post-transplant care.
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Affiliation(s)
- Becky M Ma
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA; Division of Nephrology, Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong, China
| | - Naama Elefant
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Martina Tedesco
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA; Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - Kelsie Bogyo
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Natalie Vena
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Sarath K Murthy
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Shiraz A Bheda
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Sandy Yang
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Nikita Tomar
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Jun Y Zhang
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Syed Ali Husain
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA
| | - Sumit Mohan
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA
| | - Krzysztof Kiryluk
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Hila Milo Rasouly
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Ali G Gharavi
- Division of Nephrology, Department of Medicine, Vagelos College of Physicians & Surgeons, Columbia University, New York, New York, USA; Department of Medicine, Center for Precision Medicine and Genomics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA.
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Coimbra MT, Silvano J, Martins LS. Medical Challenges of a Common Variable Immunodeficiency With a TNFRSF13B Gene Mutation in a Simultaneous Kidney and Pancreas Transplant Recipient. Cureus 2023; 15:e44211. [PMID: 37767270 PMCID: PMC10521941 DOI: 10.7759/cureus.44211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2023] [Indexed: 09/29/2023] Open
Abstract
Common variable immune deficiency (CVID) is a primary immunodeficiency disorder, with hypogammaglobulinemia and increased susceptibility to recurrent infections, autoimmune disorders, granulomatous diseases and malignancy. Among the solid organ transplant (SOT) recipient population, those with primary immunodeficiency disorders under chronic immunosuppression therapy can theoretically be at higher risk of atypical infections, autoimmune complications and disease recurrence with suboptimal long term graft survival, but literature is scarce. Here, we report a 27-year-old female with type 1 diabetes mellitus, complicated with nephropathy that progressed to end-stage renal disease (ESRD), who had a history of a chronic inflammatory response dysregulation, with chronic monoarthritis, persistent elevation of inflammation markers, recurrent infections, low immunoglobulin G (IgG) and A (IgA) serum levels, a slightly decreased population of memory B cells at flow cytometric immunophenotyping, and a confirmed pathological heterozygous mutation in the tumor necrosis factor receptor superfamily 13B (TNFRSF13B), with a suspected diagnosis of CVID. Whilst on hemodialysis, she received a simultaneous kidney and pancreas transplant from a standard criteria donor (SCD), and our induction and maintenance immunosuppression protocol and prophylaxis regimen allowed for a successful transplant with immediate pancreatic function, with no evidence of renal graft rejection upon biopsy in the early post-transplant period, and no novel episodes of serious infectious complications were recorded during a follow-up period of six months.
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Affiliation(s)
| | - José Silvano
- Nephrology, Centro Hospitalar Universitário do Porto, Porto, PRT
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Bonatti HJR, Roman AL, Krebs E, Sifri CD, Hagspiel KD, Sawyer RG, Pruett TL. Good Long-Term Outcome Following Liver Transplant in a Patient With Common Variable Immunodeficiency Syndrome Despite Multiple Infections and Recurrent Nodular Regenerative Hyperplasia. EXP CLIN TRANSPLANT 2023; 21:66-69. [PMID: 36259616 DOI: 10.6002/ect.2022.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Common variable immunodeficiency can be associated with various hepatic conditions, the most common being nodular regenerative hyperplasia. Multiple cases of liver transplant in adults with common variable immunodeficiency have been reported. Here, we report a 51-year-old man with common variable immunodeficiency and noncirrhotic portal hypertension due to nodular regenerative hyperplasia who underwent liver transplant. The patient received tacrolimus/steroid immunosuppression and remained rejection free; however, he developed cytomegalovirus infection, disseminated nocardiosis, Pseudomonas pneumonia, and Clostridioides difficile- associated colitis. All infections were successfully managed. The graft was well functioning after 18 months; however, alkaline phosphatase remained elevated and a liver biopsy showed evidence of recurrent nodular regenerative hyperplasia. The patient was started on a steroid taper, which led to normalization of the alkaline phosphatase. Two years later, a repeat biopsy confirmed recurrent nodular regenerative hyperplasia. Immunosuppression was kept low, and intravenous immunoglobulin infusions were continued. More than 10 years later, the patient is alive with a functioning graft. This case emphasizes that intensified prophylaxis for infections and less intense immunosuppression may be strategies to enable long-term survival in liver transplant recipients with common variable immunodeficiency and nodular regenerative hyperplasia relapse despite recently reported poor outcomes in this patient population.
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Affiliation(s)
- Hugo J R Bonatti
- From the Department of Surgery, University of Virginia Health Services, Charlottesville, Virginia, USA.,From the Department of Surgery, Western Michigan University, School of Medicine, Kalamazoo, Michigan, USA
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Pavlakou P, Papasotiriou M, Ntrinias T, Kourakli A, Bratsiakou A, Goumenos DS, Papachristou E. Case Report: Kidney Transplantation in a Patient With Acquired Agammaglobulinemia and SLE. Issues and Challenges. Front Med (Lausanne) 2021; 8:665475. [PMID: 33777986 PMCID: PMC7994764 DOI: 10.3389/fmed.2021.665475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 02/22/2021] [Indexed: 11/13/2022] Open
Abstract
Lupus nephritis in the context of Systemic Lupus Erythematosus (SLE) is characterized by an unpredicted course with remissions and flare-ups. Among others, it remains a significant cause of end-stage kidney disease (ESKD) in relatively young patients. Therapeutic regimens with newer immunosuppressive agents have been introduced in order to control SLE clinical manifestations more efficiently and limit organ damage induced by immune complex formation and sustained inflammation. Treatment is usually long-term, and the cumulative impact of immunosuppression is expressed through the increased frequency of infections and neoplasms. However, if the observed immunity dysregulation is secondary and pharmaceutically induced or there is a pre-existing, primary immunodeficiency that shares common pathogenetic pathways with SLE's autoimmunity is not always clear. Herein, we present the case of a 39-year-old woman, that reached ESKD due to lupus nephritis. After an upper respiratory cytomegalovirus (CMV) infection and concomitant CMV reactivations the investigation revealed significant immunodeficiency. Not long after the initiation of intravenous immunoglobulin (IVIG) administration, patient received a cadaveric kidney transplant. IVIG was continued along with standard immunosuppression so that both recurrent infections and allograft rejection are avoided. Patient is closely monitored, and her post-transplant course is remarkably satisfying so far. ESKD patients with immunodeficiency syndromes should not be excluded by definition from kidney transplantation.
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Affiliation(s)
- Paraskevi Pavlakou
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
| | - Marios Papasotiriou
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
| | - Theodoros Ntrinias
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
| | - Alexandra Kourakli
- Hematology Division, Department of Internal Medicine, University Hospital of Patras, Achaia, Greece
| | - Adamantia Bratsiakou
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
| | - Dimitrios S Goumenos
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
| | - Evangelos Papachristou
- Department of Nephrology and Renal Transplantation, University Hospital of Patras, Achaia, Greece
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End-stage renal disease secondary to anti-glomerular basement membrane disease in a child with common variable immunodeficiency. Clin Nephrol Case Stud 2019; 7:1-6. [PMID: 30838168 PMCID: PMC6374989 DOI: 10.5414/cncs109510] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 09/12/2018] [Indexed: 11/20/2022] Open
Abstract
Background: Anti-glomerular basement membrane (GBM) disease is caused by autoantibodies against the α3-chain of type IV collagen in the GBM. Common variable immunodeficiency (CVID) is a primary immunodeficiency manifested by hypogammaglobulinemia, inability to make functional antibody, and recurrent infections. This report extends the phenotype of CVID-associated autoimmune diseases to include anti-GBM disease. Case presentation: A 15-year-old Caucasian female with prior normal renal function presented with nephrotic proteinuria, pedal edema, oliguria, acute kidney injury, and was found to have positive serum anti-GBM antibody. She had been diagnosed with CVID at 3 years of age. Her renal biopsy showed crescentic glomerulonephritis (50%), and immunofluorescence showed linear staining for IgG along the glomerular capillary wall. There was no clinical or imaging evidence of pulmonary hemorrhage. She was treated with pulse IV steroids, cyclophosphamide, rituximab, and several sessions of plasmapheresis. Her serum anti-GBM antibody level decreased from 194 U/mL at presentation to 0 U/mL after therapy. However, she progressed to end-stage renal disease (ESRD) within weeks, despite aggressive therapy, and required chronic renal replacement therapy in the form of dialysis. Her clinical course was also complicated by hypertensive encephalopathy, CMV viremia and meningoencephalitis, status epilepticus, and she passed away a few months later from lower respiratory tract complications. Conclusion: Anti-GBM disease is a rare autoimmune condition that has not been reported in association with a primary immunodeficiency syndrome. ESRD secondary to anti-GBM disease in a patient with CVID is an interesting association and supports the role of immune dysregulation in systemic autoimmune disease.
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Al Nimri O, Rajput A, Martinez E, Fahrenholz JM, Paueksakon P, Langone A, Concepcion BP. Acute Rejection of a Kidney Transplant in a Patient With Common Variable Immunodeficiency: A Case Report. Transplant Proc 2017; 49:380-385. [PMID: 28219603 DOI: 10.1016/j.transproceed.2016.12.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
Abstract
Common variable immunodeficiency is a primary immunodeficiency characterized by hypogammaglobulinemia and recurrent bacterial infections. We report a case of a 44-year-old male patient with end-stage renal disease and an established diagnosis of common variable immunodeficiency who underwent a living unrelated kidney transplant. He remained nearly infection free on maintenance immunoglobulin replacement. However, his posttransplant course was complicated by acute rejection that ultimately led to allograft loss. This case illustrates the challenge of transplantation in this patient population because of the delicate balance that must be achieved between maintaining adequate immunosuppression and minimizing the risk of infection.
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Affiliation(s)
- O Al Nimri
- Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - A Rajput
- Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - E Martinez
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - J M Fahrenholz
- Department of Medicine, Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - P Paueksakon
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - A Langone
- Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - B P Concepcion
- Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
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Primary immunodeficiencies in the Netherlands: national patient data demonstrate the increased risk of malignancy. Clin Immunol 2014; 156:154-62. [PMID: 25451158 DOI: 10.1016/j.clim.2014.10.003] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 09/24/2014] [Accepted: 10/09/2014] [Indexed: 02/06/2023]
Abstract
PURPOSE To analyze the data of the national registry of all Dutch primary immune deficiency (PID) patients, according to the European Society for Immunodeficiencies (ESID) definitions. RESULTS In the Netherlands, 745 patients had been registered between 2009 and 2012. An overall prevalence of 4.0 per 100,000 inhabitants was calculated. The most prevalent PID was 'predominantly antibody disorder (PAD)' (60.4%). In total, 118 transplantations were reported, mostly hematopoietic stem cell transplantations (HSCT). Almost 10% of the PID patients suffered from a malignancy, in particular 'lymphoma' and 'skin cancer'. Compared to the general Dutch population, the relative risk of developing any malignancy was 2.3-fold increased, with a >10-fold increase for some solid tumors (thymus, endocrine organs) and hematological disease (lymphoma, leukemia), varying per disease category. CONCLUSIONS The incidence rate and characteristics of PID in the Netherlands are similar to those in other European countries. Compared to the general population, PID patients carry an increased risk to develop a malignancy.
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Liu S, Zhang QD, Zhang DL, Liu WH. An Unusual Cause of Renomegaly and Renal Insufficiency: A Case Report of Renal Involvement in Common Variable Immunodeficiency disease. Ren Fail 2011; 33:92-5. [DOI: 10.3109/0886022x.2010.528115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Burton CM, Milman N, Andersen CB, Marquart H, Iversen M. Common variable immune deficiency and lung transplantation. ACTA ACUST UNITED AC 2007; 39:362-7. [PMID: 17454905 DOI: 10.1080/00365540600978955] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
We report on a male patient with bronchiectasis secondary to common variable immune deficiency (CVID) receiving lung transplantation. The patient had been diagnosed with CVID many y prior to right-sided single lung transplantation and was receiving appropriate immunoglobulin substitution therapy. He received antithymocyte globulin induction and maintenance triple therapy with cyclosporine, azathioprine and prednisolone. The early post-operative course was complicated by the development of severe acute cellular rejection and organizing pneumonia. Despite immunoglobulin replacement and antifungal prophylaxis and treatment, Aspergillus fumigatus was repeatedly cultured from bronchoalveolar lavage fluid, 18 months after transplantation. The patient died following a protracted period of repeated hospital admissions, 46 months after transplantation. A review of the literature suggests that many CVID patients appear to have had a complicated post-operative course after lung- and other solid-organ transplantation, and highlights the need for the establishment of international registries for transplanted patients with uncommon conditions.
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Affiliation(s)
- Christopher M Burton
- Division of Lung Transplantation, Department of Medicine B, University of Copenhagen, Denmark.
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Ogershok PR, Hogan MB, Welch JE, Corder WT, Wilson NW. Spectrum of illness in pediatric common variable immunodeficiency. Ann Allergy Asthma Immunol 2006; 97:653-6. [PMID: 17165275 DOI: 10.1016/s1081-1206(10)61096-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Common variable immunodeficiency (CVID) may present at any age but usually presents during adulthood. OBJECTIVE To study the presentation and associated medical conditions found in pediatric patients with CVID. METHODS A medical record review of patients diagnosed as having CVID before the age of 18 years was performed at a tertiary care immunology clinic from 1992 to 2005. Inclusion criteria consisted of presentation with recurrent infections and decrease in 2 of 3 immunoglobulin isotypes (IgG, IgA, IgM) 2 SDs below the age-specific range, with a poor or absent response to immunization. There had to be no other identifiable predisposing cause of the immunodeficiency. RESULTS A total of 12 patients were identified. The mean age at presentation was 8 years. All patients had low IgG levels with poor functional antibody responses. The most common presenting infections were sinusitis (75%), otitis media (67%), and pneumonia (58%). Bronchiectasis was seen in 3 children. One patient presented with chronic diarrhea due to Giardia. Two patients presented with failure to thrive. Asthma was seen in 10 patients (83%) but was usually diagnosed after the initial presentation. Autoimmune disorders were seen, including 1 patient with idiopathic thrombocytopenia and 2 with neutropenia. Other disorders encountered were growth hormone deficiency, hypothyroidism, end-stage renal disease, and sarcoma. CONCLUSIONS CVID is a difficult diagnosis in the pediatric population because of an unpredictable presentation. Autoimmune disease, growth hormone deficiency, renal disease, and cancer were noted in our population. A high incidence of asthma also may be associated with pediatric CVID.
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Affiliation(s)
- Paul R Ogershok
- Section of Allergy and Immunology, Department of Pediatrics, West Virginia University School of Medicine, Morgantown, West Virginia 26506-9214, USA
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Goldfarb NS, Avery RK, Goormastic M, Mehta AC, Schilz R, Smedira N, Pien L, Haug MT, Gordon SM, Hague LK, Dresing JM, Evans-Walker T, Maurer JR. Hypogammaglobulinemia in lung transplant recipients. Transplantation 2001; 71:242-6. [PMID: 11213067 DOI: 10.1097/00007890-200101270-00013] [Citation(s) in RCA: 129] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Infectious complications continue to represent a significant source of morbidity and mortality in lung transplant recipients. Identifying specific, remediable immune defects is of potential value. After one lung transplant patient with recurrent infections was noted to be severely hypogammaglobulinemic, a screening program for humoral immune defects was instituted. The objectives were to define the prevalence of hypogammaglobulinemia in lung transplant recipients, assess levels of antibody to specific pathogens, and correlate infectious disease outcomes and survival with immunoglobulin levels. METHODS All lung transplant recipients followed at a single center between October 1996 and June 1999 underwent a posttransplant humoral immune status survey as part of routine posttransplant follow-up. This survey consists of total immunoglobulin levels (IgG, IgM, IgA), IgG subclasses (IgG1-4), and antibody titers to Pneumococcus, diphtheria, and tetanus. Since February 1997, this survey has been incorporated into the pretransplant evaluation as well. Humoral survey results for October 1996 through July 1999 were recorded, and clinical information on major infectious disease outcomes was obtained from chart reviews, discharge summaries, the Cleveland Clinic Unified Transplant Database, and review of all microbiological studies and pathology results for each patient. RESULTS Of 67 patients with humoral immune surveys drawn posttransplant, 47 (70%) had IgG levels less than 600 mg/dl (normal 717-1410 mg/dl), of which 25 (37%) had IgG levels less than 400 mg/dl ("lowest IgG group") and 22 (33%) had IgG levels between 400 and 600 mg/dl ("moderately low IgG group"). A total of 20 patients (30%) had IgG levels of more than 600 mg/dl ("normal IgG group"). Infections that were significantly more common in the lowest IgG group, and more common in the moderately low IgG group than the normal IgG group, included: number of pneumonias (P=0.0006), bacteremias (P=0.02), total bacterial infections (P=0.002), tissue-invasive cytomegalovirus (P=0.01), invasive aspergillosis (P=0.001), total fungal infections (P=0.001), and total infections (P=0.006). Median hospital days per posttransplant year was significantly different in the three groups (11.0 vs. 7.4 vs. 2.8 days, P=0.0003.) Invasive aspergillosis occurred in 44% of the lowest IgG group, 9% of the moderately low IgG group, and 0% of the normal IgG group (P<0.001). Survival was poorest in the lowest IgG group and intermediate in the moderately low IgG group. IgG subclass deficiencies occurred in a variety of patterns. Hypogammaglobulinemic patients lacked protective responses to Pneumococcus in 14/47 (30%), diphtheria in 15%, and tetanus in 19%. In a group of 48 patients screened pretransplant, 90% had normal immunoglobulin levels. CONCLUSIONS Hypogammaglobulinemia in lung transplant recipients is more common than has been previously recognized. An IgG level of less than 400 mg/dl identifies a group at extremely high risk of bacterial and fungal infections, tissue-invasive cytomegalovirus, and poorer survival. Immunoglobulin monitoring may offer an opportunity for intensive surveillance, tapering of immunosuppression, and preemptive therapy for infection.
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Affiliation(s)
- N S Goldfarb
- Transplant Center and Department of Pulmonary Medicine, Cleveland Clinic Foundation, OH 44195, USA
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Corales R, Chua J, Mawhorter S, Young JB, Starling R, Tomford JW, McCarthy P, Braun WE, Smedira N, Hobbs R, Haas G, Pelegrin D, Majercik M, Hoercher K, Cook D, Avery RK. Significant post-transplant hypogammaglobulinemia in six heart transplant recipients: an emerging clinical phenomenon? Transpl Infect Dis 2000; 2:133-9. [PMID: 11429024 DOI: 10.1034/j.1399-3062.2000.020306.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND The recent development of powerful agents such as mycophenolate mofetil and tacrolimus has altered current regimens for the prevention and treatment of allograft rejection. Questions have been raised about these newer regimens in terms of susceptibility to opportunistic infections and effects on host defenses. Severe hypogammaglobulinemia has been infrequently described in solid organ transplant recipients, but has been recently noted in six heart transplant recipients at one center, of whom five were receiving a combination of tacrolimus, mycophenolate mofetil, and prednisone. METHODS Case summaries of six recent heart transplant recipients with total immunoglobulin G (IgG) levels of less than 310 mg/dl, five of whom had cytomegalovirus (CMV) infection and three of whom had multiple infections including Nocardia, invasive Trichophyton, and Acinetobacter bacteremia. Previous literature was reviewed with the aid of a Medline search using the search terms hypogammaglobulinemia; kidney, liver, heart, lung, and organ transplantation; mycophenolate mofetil; tacrolimus; cyclosporine; azathioprine; and nocardiosis. RESULTS We here report six cardiac transplant recipients seen over a period of one year who were found to have immunoglobulin G levels of 310 mg/dl or below (normal: 717-1400 mg/dl). The first five patients were diagnosed because of evaluation for infections; the sixth, who was asymptomatic with an IgG level of 175, was found during screening for hypogammaglobulinemia instituted as a result of these first five patients. All six patients had received steroid pulses for rejection; all received mycophenolate mofetil; and 5/6 had been switched from cyclosporine to tacrolimus because of steroid-resistant rejection. Transient neutropenia (absolute neutrophil count less than 1000) was observed in 2/6; 3/6 had received OKT3 therapy for refractory rejection. These six patients were treated with a combination of antimicrobials, immunoglobulin replacement, and decrease in immunosuppressive therapy. CONCLUSION The finding of unexpected hypogammaglobulinemia and concomitant infectious complications in six heart transplant recipients highlights a possible complication in a subset of patients receiving newer immunosuppressive agents. A larger prospective study is underway to determine risk factors for development of post-transplant hypogammaglobulinemia and to assess pre-transplant immune status of these recipients. Monitoring of immunoglobulin levels in high-risk patients receiving intensified immunosuppressive therapy for rejection may help to prevent infectious complications.
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Affiliation(s)
- R Corales
- Transplant Center, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
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