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1.
Cureus ; 16(6): e62422, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-39011221

RESUMEN

Introduction Cytomegalovirus (CMV) is the most common viral pathogen affecting patients undergoing solid organ transplantation. It is often the most important infection for patients who have undergone kidney transplantation. Clinical presentations of cytomegalovirus infection range from asymptomatic infection to organ-specific involvement. This study aimed to determine the frequency of cytomegalovirus-associated colitis in kidney transplant recipients (KTRs) presenting with lower gastrointestinal bleeding. Methods After the approval of the ethical review committee of the Sindh Institute of Urology and Transplantation (ERC-SIUT), this cross-sectional study was conducted at the Department of Hepatogastroenterology at the Sindh Institute of Urology and Transplantation from January 2021 to December 2021. All the KTRs (six months after the transplantation) of either gender and aged between 18 and 65 years, presenting with lower gastrointestinal (GI) bleeding as per the operational definition, were enrolled in the study. Those patients who were either unfit for the endoscopy or refused to give consent were excluded from the study. Colonic biopsies were reviewed by a consultant histopathologist for the features of CMV infection. Results A total of 95 renal transplant recipients of either gender or age above 18 to 65 years with lower GI bleeding were included in the study. Among them, 84 (88.4%) were males, while 11 (11.6%) were females. The mean age of the patients included in the study was 37±11 years. The most common presenting complaint was fresh bleeding per rectum, which was observed in 73 (76.8%). The most common findings observed on colonoscopy in KTRs with bleeding per rectum were colonic ulcers and erosions noted in 41 (43.1%) and 36 (37.3%) patients, respectively. On histopathology, CMV colitis was noted in 21 (22.1%) patients. On comparison of different baseline variables, the presence of fresh bleeding per rectum and the presence of both ulcers and erosions on colonoscopy were the factors significantly associated with CMV colitis in KTRs. Conclusion CMV colitis is a prevalent condition in KTRs, presenting with lower GI bleeding. Despite the significant occurrence, the levels of CMV viremia were not associated with CMV colitis, suggesting that diagnosis should rely on histopathological confirmation. Prophylaxis during periods of high immunosuppression is crucial to reducing the incidence of CMV infections and improving both graft function and patient survival.

2.
J Med Virol ; 96(7): e29814, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-39015038

RESUMEN

Novel biomarkers reflecting the degree of immunosuppression in transplant patients are required to ensure eventual personalized equilibrium between rejection and infection risks. With the above aim, Torque Teno Virus (TTV) viremia was precisely examined in a large cohort of transplanted immunocompromised patients (192 hematological and 60 solid organ transplant recipients) being monitored for Cytomegalovirus reactivation. TTV load was measured in 2612 plasma samples from 448 patients. The results revealed a significant increase in TTV viral load approximately 14 days following CMV reactivation/infection in solid organ transplant (SOT) patients. No recognizable difference in TTV load was noted among hematological patients during the entire timeframe analyzed. Furthermore, a temporal gap of approximately 30 days was noted between the viral load peaks reached by the two viruses, with Cytomegalovirus (CMV) preceding TTV. It was not possible to establish a correlation between CMV reactivation/infection and TTV viremia in hematological patients. On the other hand, the SOT patient cohort allowed us to analyze viral kinetics and draw intriguing conclusions. Taken together, the data suggest, to our knowledge for the first time, that CMV infection itself could potentially cause an increase in TTV load in the peripheral blood of patients undergoing immunosuppressive therapy.


Asunto(s)
Infecciones por Citomegalovirus , Citomegalovirus , Infecciones por Virus ADN , Huésped Inmunocomprometido , Torque teno virus , Carga Viral , Viremia , Humanos , Citomegalovirus/inmunología , Citomegalovirus/fisiología , Infecciones por Citomegalovirus/virología , Infecciones por Citomegalovirus/inmunología , Infecciones por Citomegalovirus/sangre , Masculino , Infecciones por Virus ADN/virología , Infecciones por Virus ADN/sangre , Infecciones por Virus ADN/inmunología , Persona de Mediana Edad , Femenino , Adulto , Terapia de Inmunosupresión/efectos adversos , Activación Viral , Receptores de Trasplantes/estadística & datos numéricos , Anciano , Estudios de Cohortes
3.
Intensive Care Med ; 2024 Jul 17.
Artículo en Inglés | MEDLINE | ID: mdl-39017695

RESUMEN

PURPOSE: Human herpesviruses, particularly cytomegalovirus (CMV) and herpes simplex virus (HSV), frequently reactivate in critically ill patients, including those with acute respiratory distress syndrome (ARDS) related to coronavirus disease 2019 (COVID-19). The clinical interpretation of pulmonary herpesvirus reactivation is challenging and there is ongoing debate about its association with mortality and benefit of antiviral medication. We aimed to quantify the incidence and pathogenicity of pulmonary CMV and HSV reactivations in critically ill COVID-19 patients. METHODS: Mechanically ventilated COVID-19 patients seropositive for CMV or HSV were included in this observational cohort study. Diagnostic bronchoscopy with bronchoalveolar lavage was performed routinely and analyzed for alveolar viral loads and inflammatory biomarkers. Utilizing joint modeling, we explored the dynamic association between viral load trajectories over time and mortality. We explored alveolar inflammatory biomarker dynamics between reactivated and non-reactivated patients. RESULTS: Pulmonary reactivation (> 104 copies/ml) of CMV occurred in 6% of CMV-seropositive patients (9/156), and pulmonary reactivation of HSV in 37% of HSV-seropositive patients (63/172). HSV viral load dynamics prior to or without antiviral treatment were associated with increased 90-day mortality (hazard ratio [HR] 1.24, 95% confidence interval [CI] 1.04-1.47). The alveolar concentration of several inflammatory biomarkers increased with HSV reactivation, including interleukin (IL)-6, IL-1ß, granulocyte colony stimulating factor (G-CSF), and tumor necrosis factor (TNF). CONCLUSION: In mechanically ventilated COVID-19 patients, HSV reactivations are common, while CMV reactivations were rare. HSV viral load dynamics prior to or without antiviral treatment are associated with mortality. Alveolar inflammation is elevated after HSV reactivation.

4.
Open Forum Infect Dis ; 11(7): ofae353, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38979014

RESUMEN

Background: Valganciclovir is the only approved antiviral for cytomegalovirus (CMV) prevention in pediatric solid organ transplantation (SOT). Additional approaches may be needed to improve outcomes. Methods: A multicenter retrospective study from 2016 to 2019 was conducted of pediatric SOT recipients in whom at least 3 months of valganciclovir prophylaxis was planned. Episodes of CMV DNA in blood (DNAemia), CMV disease, drug-related toxicities, as well as other infections in the first year posttransplant and demographic and clinical data were collected. CMV DNAemia in the first year after prophylaxis or during prophylaxis (breakthrough) was analyzed by multivariate hazard models. Results: Among the 749 patients enrolled, 131 (17.5%) had CMV DNAemia at any time in the first year; 85 (11.4%) had breakthrough DNAemia, and 46 (6.1%) had DNAemia after prophylaxis. CMV disease occurred in 30 (4%). In a multivariate model, liver transplantation compared to kidney or heart, intermediate or high risk based on donor/recipient serologies, neutropenia, and valganciclovir dose modifications attributed to toxicity were associated with increased risk of total and/or breakthrough DNAemia. Bacteremia was also associated with increased hazard ratio for CMV DNAemia. In a separate multivariate analysis, rejection occurred more often in those with breakthrough CMV DNAemia (P = .002); liver transplants, specifically, had increased rejection if CMV DNAemia occurred in the first year (P = .004). These associations may be bidirectional as rejection may contribute to infection risk. Conclusions: CMV DNAemia in the first year posttransplantation occurs despite valganciclovir prophylaxis and is associated with medication toxicity, bacteremia, and rejection. Pediatric studies of newer antivirals, especially in higher-risk subpopulations, appear to be warranted.

5.
Front Immunol ; 15: 1414830, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39007131

RESUMEN

Introduction: Cytomegalovirus (CMV) infection remains a challenge following kidney transplantation (KTx). Currently, CMV-IgG serostatus at transplantation is used to individualize CMV preventive strategies. We assessed the clinical utility of CMV-IGRA for predicting CMV infection following KTx. Methods: We performed a nationwide prospective cohort study from August 2016 until December 2022. Data from all adult KTx recipients in Norway, n=1,546 (R+; n=1,157, D+/R-; n=260, D-/R-; 129), were included with a total of 3,556 CMV-IGRA analyses (1,375 at KTx, 1,188 at eight weeks, 993 one-year after KTx) and 35,782 CMV DNAemia analyses. Results: In R+ recipients CMV-IGRA status, measured at any of the time-points, could not identify any differential risk of later CMV infection. D+/R- recipients remaining CMV-IGRA negative 1-year after transplantation (regardless of positive CMV DNAemia and/or CMV IgG status at that time) had increased risk of developing later CMV infection compared to D+/R- recipients who had become CMV-IGRA positive (14% vs. 2%, p=0.01). Conclusion: Knowledge of pre-transplant CMV-IGRA status did not provide additional information to CMV-IgG serostatus that could improve current post-transplant CMV treatment algorithms. However, D+/R- recipients with a persisting negative CMV-IGRA one-year after transplantation remained at increased risk of experiencing later CMV infection. Therefore we advocate post-transplant CMV-IGRA monitoring in these patients.


Asunto(s)
Infecciones por Citomegalovirus , Citomegalovirus , Inmunidad Celular , Trasplante de Riñón , Humanos , Trasplante de Riñón/efectos adversos , Infecciones por Citomegalovirus/inmunología , Citomegalovirus/inmunología , Masculino , Femenino , Persona de Mediana Edad , Adulto , Estudios Prospectivos , Anticuerpos Antivirales/sangre , Anciano , Noruega/epidemiología , Factores de Riesgo , Inmunoglobulina G/sangre
6.
Artículo en Inglés | MEDLINE | ID: mdl-38694881

RESUMEN

Background: Congenital cytomegalovirus (cCMV) disproportionately impacts black and multiracial infants. While there have been strides made to address this health disparity, strategies to increase awareness and knowledge of cCMV have not been investigated in a Somali community. Methods: Two survey study strategies (in-person and online), consisting of a pre-survey test, educational intervention, and a post-survey, were designed to gauge knowledge and perceptions about cCMV among Somali women aged 18 to 40 years old. Results: 96 respondents partook in the online module, and 15 in the in-person event. On recruitment, < 45% of women were aware of cCMV. Following the pre-intervention survey, educational modules were conducted, and the survey repeated. For statistical comparisons, a point was assigned for each correct survey query, and the mean of correct responses tabulated for pre- and post-surveys. In the online intervention, mean scores changed from 55 to 87% (paired t-test, p = 0.001), whereas in the in-person intervention, mean scores changed from 65 to 87% (paired t-test, p = 0.007), demonstrating enhanced cCMV awareness upon completion of both interventions. Using multiple linear regression, the expected post-test score was 2% (95% CI [- 8%, 12%]) higher for the online module compared to the in-person module, adjusting for pre-test score. Conclusion: Both interventions were successful in enhancing knowledge about cCMV in this population, although there was no evidence either intervention was substantially better than the other. Educational efforts will be critical in enhancing the trust required to facilitate diagnostic evaluation and treatment of newborns identified with cCMV in this high-risk population.

7.
Cureus ; 16(4): e58230, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38752099

RESUMEN

We present a case of cytomegalovirus (CMV) polyradiculopathy which occurred concomitantly with CMV encephalitis and CMV retinitis in a patient with HIV/AIDS. Our patient is a 43-year-old male who was admitted with progressive changes in mentation. Cerebrospinal fluid (CSF) analysis showed elevated white blood cell (WBC), low glucose, and elevated protein. The polymerase chain reaction (PCR) panel of CSF was positive for CMV, and other microbiology results were negative. Extensive bilateral CMV retinitis was also noted. The patient was started on ganciclovir and foscarnet, and two weeks after, highly active antiretroviral therapy (HAART) was initiated using Truvada and dolutegravir. The hospital course was complicated by urinary retention and bilateral lower extremity weakness with hypotonia, severe hyperalgesia, and allodynia. An electromyography (EMG) study demonstrated bilateral lumbosacral root dysfunction at L2-S1 with active neurologic changes indicating significant axon loss. Neurology was consulted, and the patient was diagnosed with CMV-induced polyradiculopathy. After three months of treatment, no improvement was noted on lower limbs as he continued with intravenous (IV) ganciclovir. The therapeutic response to induction therapy was discordant as improvement of encephalitis was noted, but not on polyradiculopathy after 180 days of treatment. This highlights the lack of data and treatment guidelines for established CMV polyradiculopathy and not only the necessity for prolonged treatment of CMV polyradiculopathy but also the difficulty in recovery of function once it has developed.

8.
Cureus ; 16(4): e59360, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38817494

RESUMEN

Cytomegalovirus (CMV) is a DNA virus that can cause widespread, severe infection in immunocompromised patients. While CMV usually leads to a subclinical infection in immunocompetent individuals, it can rarely cause severe disease in this population. The SARS-CoV-2 virus is an RNA virus and part of the Coronaviridae family. SARS-CoV-2 led to the COVID-19 (coronavirus disease 2019) pandemic. Even though COVID-19 usually presents with signs and symptoms of upper respiratory tract infection in younger adults, viral pneumonia, cytopenia, and neurological symptoms become more apparent with increasing age. Herein, we describe an immunocompetent 73-year-old female patient in whom oxygen demand and pancytopenia developed during hospitalization for post-ablation inguinal access site infection. The thorax CT revealed viral pneumonia, but two subsequent SARS-CoV-2 polymerase chain reaction (PCR) tests and a viral respiratory multiplex PCR panel were negative. The CMV viral load was high in the blood sample, and the patient responded to valganciclovir treatment. Although SARS-CoV-2 should be evaluated in patients with viral pneumonia and cytopenia, other viral etiologies mimicking SARS-CoV-2 infection, such as CMV, should not be overlooked in the era of the COVID-19 pandemic.

9.
Cureus ; 16(3): e56637, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38646322

RESUMEN

Cytomegalovirus (CMV) retinitis is commonly associated with immunosuppression and can cause irreversible vision loss. Chimeric antigen receptor T-cell (CAR-T) therapy has emerged as an effective cancer treatment option but requires immunosuppression, thereby increasing the possibility of acquiring opportunistic infections such as CMV. We present the case of a 76-year-old female with a history of hypertension and type 2 diabetes mellitus who initially presented with shortness of breath and was diagnosed with the activated B-cell subset of diffuse large B-cell lymphoma (DLBCL). She received multiple cycles of chemotherapy and experienced relapses with cardiac involvement. The patient developed vision loss in the right eye and was diagnosed with bilateral posterior vitritis. She underwent various treatments, including radiotherapy, systemic chemotherapy, cataract extraction, and vitrectomy. After CAR-T therapy, she developed bilateral CMV retinitis, confirmed through polymerase chain reaction testing and managed by valganciclovir. Overall, this case report describes the first reported case of bilateral CMV retinitis following CAR-T therapy for DLBCL. It emphasizes the need for early recognition and treatment of CMV retinitis to prevent permanent vision loss. The report also underscores the importance of regular ocular screening and consideration of prophylactic measures in patients undergoing CAR-T therapy.

10.
Eur J Clin Microbiol Infect Dis ; 43(5): 979-989, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38517571

RESUMEN

PURPOSE: This study aimed to investigate the prevalence and viral reactivations of clinical interest in the immunocompromised patient with particular focus on hematologic and solid organ transplant recipients. METHODS: Molecular screening data of CMV, EBV, JCV and BKV from 2011 to 2023 were analyzed. This extensive time span allowed the access to more than 100,000 samples from over 20,000 patients treated at Policlinico Umberto I. It was possible to temporally investigate patient attendance patterns, average age distribution, seasonality of infections, and positivity rates of the analyzed viruses. RESULTS: Between 2019 and 2022 a significant reduction in organ transplants performed and in the positive molecular detection of EBV, JCV and BKV was observed. Additionally, there has been a noteworthy decrease in CMV reactivations, with a reduction of up to 50% starting in 2019. A remarkable reduction of 39% in the rate of CMV viral reactivation has been also achieved in SOT between 2016 and 2023. CONCLUSION: The years following 2019 were profoundly impacted by the COVID-19 pandemic era. This period resulted in a substantial reduction in healthcare services and hospital visits. Furthermore, the introduction of the drug Letermovir in Italy in 2019 demonstrated remarkable efficacy, evidenced by a reduction in CMV reactivations. Additionally, the adoption of a novel clinical approach centered on personalized therapy facilitated improved management of immunocompromised patients.


Asunto(s)
Hospitales Universitarios , Huésped Inmunocomprometido , Humanos , Italia/epidemiología , Hospitales Universitarios/estadística & datos numéricos , Masculino , Persona de Mediana Edad , COVID-19/epidemiología , COVID-19/virología , Femenino , Activación Viral , Virosis/epidemiología , Virosis/virología , Anciano , Adulto , Virus JC/genética , Virus JC/aislamiento & purificación , Virus JC/inmunología , Virus BK/genética , Virus BK/aislamiento & purificación , Infecciones por Citomegalovirus/epidemiología , Infecciones por Citomegalovirus/tratamiento farmacológico , Herpesvirus Humano 4/genética , Herpesvirus Humano 4/inmunología , Prevalencia , Trasplante de Órganos/efectos adversos , Receptores de Trasplantes/estadística & datos numéricos , Citomegalovirus/genética , Citomegalovirus/inmunología , Infecciones por Polyomavirus/epidemiología , Infecciones por Polyomavirus/virología
11.
Clin Transplant ; 38(3): e15287, 2024 03.
Artículo en Inglés | MEDLINE | ID: mdl-38477177

RESUMEN

BACKGROUND: Little is known about the relationship between cytomegalovirus (CMV) infections and donor-derived cell-free DNA (dd-cfDNA) in heart transplant recipients. METHODS: In our study, CMV and dd-cfDNA results were prospectively collected on single-organ heart transplant recipients. If the CMV study was positive, a CMV study with dd-cfDNA was repeated 1-3 months later. The primary aim was to compare dd-cfDNA between patients with positive and negative CMV results. RESULTS: Of 44 patients enrolled between August 2022 and April 2023, 12 tested positive for CMV infections, 25 were included as controls, and seven patients with a viral infection without CMV were excluded. Baseline characteristics did not differ significantly between CMV-positive and CMV-negative patients with the exception of a later median time post-transplant in the CMV-positive group (253 days vs. 120 days, p = .03). Dd-cfDNA levels were significantly higher in patients with CMV infections compared to those without (p < .001) with more patients in the CMV positive group showing dd-cfDNA results ≥.12% (75% vs. 8%, p < .001) and ≥.20% (58% vs. 8%, p = .002). Each 1 log10 copy/ml reduction in CMV viral load from visit 1 to visit 2 was associated with a.23% reduction in log10 dd-cfDNA (p = .002). CONCLUSION: Our findings suggest that active CMV infections may raise dd-cfDNA levels in patients following heart transplantation. Larger studies are needed to validate these preliminary findings.


Asunto(s)
Ácidos Nucleicos Libres de Células , Infecciones por Citomegalovirus , Trasplante de Corazón , Humanos , Citomegalovirus/genética , Donantes de Tejidos , Receptores de Trasplantes , Rechazo de Injerto
12.
Artículo en Inglés | MEDLINE | ID: mdl-38298135

RESUMEN

CONTEXT: In the previous issue of this journal, we reported that the incidence of fulminant type 1 diabetes (FT1D) due to the drug-induced hypersensitivity syndrome (DIHS) in Japan is higher than that in the general population and is associated with HLAB62. On the other hand, the reactivation of human herpesvirus 6 (HHV-6), which has been reported to be associated with DIHS, was observed at a higher frequency, but its association with the development of FT1D was unclear. OBJECTIVE: We aimed to clarify the relationship between the onset of FT1D and the reactivation of HHV-6. METHODS: We conducted a literature search for cases of DIHS-induced FT1D in addition to previously reported cases, and investigated the changes in the HHV-6 antibody titer before and after the onset of FT1D. RESULTS: The HHV-6 antibody titer was increased just before or after the onset of FT1D in all 8 cases. In one case, HHV-6 DNA was also identified shortly before the onset of FT1D. CONCLUSION: These results indicate for the first time that the reactivation of HHV-6 is associated with the onset of FT1D caused by DIHS. .

13.
Diagn Microbiol Infect Dis ; 108(2): 116139, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-37984109

RESUMEN

The Viracor CMV-T-cell immunity Panel (TCIP) measures %CMV-specific CD4+ and CD8+ T-cells. In this blinded clinical study, we evaluated the performance of the TCIP in predicting CMV events. Prospectively enrolled donor or recipient CMV-seropositive kidney transplant recipients (KTR) were evaluated with monthly TCIP testing until either discontinuation of valganciclovir prophylaxis or CMV DNAemia prompting treatment initiation. Also, prospectively enrolled KTR with low-level untreated DNAemia or after completion of treatment were evaluated for progression or relapse of CMV infection. Among 46 KTR, those with CMV events had significantly lower %CMV-specific CD8+ T-cells (p = 0.024), and the CMV protection ROC AUC was significant (AUC 0.78, p = 0.026). The positive predictive values of CD4+ and CD8+ T-cell positivity >0.2 % for CMV protection were: 96.3 % for CMV DNAemia prompting treatment initiation, 92.6 % for any DNAemia, 100 % for DNAemia >1000 IU/mL. The TCIP could be a useful adjunct tool in individualized management of CMV infection.


Asunto(s)
2,6-Dicloroindofenol/análogos & derivados , Infecciones por Citomegalovirus , Citomegalovirus , Humanos , Citomegalovirus/genética , Linfocitos T CD8-positivos , Estudios Prospectivos , Infecciones por Citomegalovirus/diagnóstico , Infecciones por Citomegalovirus/prevención & control , Infecciones por Citomegalovirus/tratamiento farmacológico , ADN Viral , Antivirales/uso terapéutico , Receptores de Trasplantes
14.
Cureus ; 15(11): e48337, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-38060716

RESUMEN

Upadacitinib is a relatively new drug used to treat autoimmune diseases. However, patients treated with upadacitinib may develop infections. We report a case of cytomegalovirus (CMV) retinitis that developed during upadacitinib administration. A 79-year-old woman presented with progressively decreasing vision in both eyes. Her decimal best-corrected visual acuity (BCVA) was 0.2 in the right and 0.01 in the left eye. The patient was taking upadacitinib for one year. Fundus examination revealed vitreous opacities and extensive white retinal lesions with hemorrhage in both eyes. CMV was detected in the anterior aqueous humor, vitreous humor, and blood samples. We diagnosed her with panuveitis and CMV retinitis, performed a vitrectomy in both eyes, and administered intravenous ganciclovir and steroids. After treatment, her BCVA improved to 0.6 in the right and 0.1 in the left eye. Ophthalmologists and physicians should be aware of CMV infections in patients being treated with upadacitinib.

15.
Viruses ; 15(12)2023 11 27.
Artículo en Inglés | MEDLINE | ID: mdl-38140567

RESUMEN

Lung transplantation is an ultimate treatment option for some end-stage lung diseases; due to the intense immunosuppression needed to reduce the risk of developing acute and chronic allograft failure, infectious complications are highly incident. Viral infections represent nearly 30% of all infectious complications, with herpes viruses playing an important role in the development of acute and chronic diseases. Among them, cytomegalovirus (CMV) is a major cause of morbidity and mortality, being associated with an increased risk of chronic lung allograft failure. Epstein-Barr virus (EBV) is associated with transformation of infected B cells with the development of post-transplantation lymphoproliferative disorders (PTLDs). Similarly, herpes simplex virus (HSV), varicella zoster virus and human herpesviruses 6 and 7 can also be responsible for acute manifestations in lung transplant patients. During these last years, new, highly sensitive and specific diagnostic tests have been developed, and preventive and prophylactic strategies have been studied aiming to reduce and prevent the incidence of these viral infections. In this narrative review, we explore epidemiology, diagnosis and treatment options for more frequent herpes virus infections in lung transplant patients.


Asunto(s)
Infecciones por Virus de Epstein-Barr , Herpes Zóster , Infecciones por Herpesviridae , Trasplante de Pulmón , Humanos , Herpesvirus Humano 4 , Infecciones por Herpesviridae/diagnóstico , Infecciones por Herpesviridae/epidemiología , Infecciones por Herpesviridae/prevención & control , Trasplante de Pulmón/efectos adversos , Herpesvirus Humano 3 , Simplexvirus , Herpes Zóster/complicaciones
16.
ACG Case Rep J ; 10(12): e01231, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-38107606

RESUMEN

Cytomegalovirus (CMV) infection is usually asymptomatic or causes a mild mononucleosis-like syndrome, whereas severe symptoms are rarely reported. We report a case of a 70-year-old woman who was admitted to our center because of severe clinical presentation with anorexia, epigastric pain, nausea, postprandial vomiting, and significant weight loss. Esophagogastroduodenoscopy with biopsies showed ulcerative chronic gastritis with scattered large cells with inclusion bodies. Immunohistochemistry and polymerase chain reaction for CMV-DNA resulted positive. A gastric emptying of solid scintigraphy showed severe gastroparesis. The patient was discharged after 2 months of antiviral therapy completely asymptomatic. To the best of our knowledge, this is the first case of CMV-related gastroparesis in an immunocompetent patient, successfully treated with antiviral therapy.

17.
Front Immunol ; 14: 1251593, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37965339

RESUMEN

Introduction: Allogeneic stem cell transplantation is used to cure hematologic malignancies or deficiencies of the hematopoietic system. It is associated with severe immunodeficiency of the host early after transplant and therefore early reactivation of latent herpesviruses such as CMV and EBV within the first 100 days are frequent. Small studies and case series indicated that application of herpes virus specific T cells can control and prevent disease in this patient population. Methods: We report the results of a randomized controlled multi centre phase I/IIa study (MULTIVIR-01) using a newly developed T cell product with specificity for CMV and EBV derived from the allogeneic stem cell grafts used for transplantation. The study aimed at prevention and preemptive treatment of both viruses in patients after allogeneic stem cell transplantation targeting first infusion on day +30. Primary endpoints were acute transfusion reaction and acute-graft versus-host-disease after infusion of activated T cells. Results: Thirty-three patients were screened and 9 patients were treated with a total of 25 doses of the T cell product. We show that central manufacturing can be achieved successfully under study conditions and the product can be applied without major side effects. Overall survival, transplant related mortality, cumulative incidence of graft versus host disease and number of severe adverse events were not different between treatment and control groups. Expansion of CMV/EBV specific T cells was observed in a fraction of patients, but overall there was no difference in virus reactivation. Discussion: Our study results indicate peptide stimulated epitope specific T cells derived from stem cell grafts can be administered safely for prevention and preemptive treatment of reactivation without evidence for induction of acute graft versus host disease. Clinical trial registration: https://clinicaltrials.gov, identifier NCT02227641.


Asunto(s)
Infecciones por Citomegalovirus , Enfermedad Injerto contra Huésped , Trasplante de Células Madre Hematopoyéticas , Humanos , Infecciones por Citomegalovirus/prevención & control , Infecciones por Citomegalovirus/complicaciones , Enfermedad Injerto contra Huésped/etiología , Enfermedad Injerto contra Huésped/prevención & control , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Trasplante de Células Madre Hematopoyéticas/métodos , Herpesvirus Humano 4/fisiología , Linfocitos T , Trasplante Homólogo/efectos adversos
18.
Artículo en Inglés | MEDLINE | ID: mdl-37989636

RESUMEN

The authors summarize recent updates in the prevention and management of cytomegalovirus (CMV) in solid organ transplant (SOT) recipients with a focus on CMV seronegative recipients of organs from seropositive donors (CMV D+/R-) who are at highest risk of CMV infection and disease. They discuss advantages of preemptive therapy for CMV disease prevention in CMV D+/R- liver transplant recipients, letermovir for CMV prophylaxis, and updates in the development of monoclonal antibodies and vaccines as immune-based preventative strategies. They review the roles of maribavir and virus-specific T cells for management of resistant or refractory CMV infection in SOT recipients.

19.
Cureus ; 15(10): e47599, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-38022095

RESUMEN

Cytomegalovirus (CMV) infection or Epstein-Barr virus (EBV) infection in immunocompetent patients usually resolves without treatment. However, it can cause severe symptoms that can last for several weeks, especially in immunocompromised patients. Indications for antiviral immunocompetent individuals with CMV disease are not well-established. Here, we report two cases who had concomitant CMV-EBV infection. The first patient ultimately received anti-CMV therapy with significant improvement in symptoms and labs. The second patient had a milder disease course and was treated conservatively.

20.
Cureus ; 15(9): e45537, 2023 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-37868436

RESUMEN

We present a case report describing the diagnosis and management of a patient who presents with a rare diagnosis of Menetrier's disease. This condition poses a diagnostic challenge to clinicians due to its nonspecific clinical presentation and is oftentimes misdiagnosed for more common gastric disorders. Menetrier's disease is characterized by gastric mucosal hypertrophy and subsequent protein loss, resulting in gastric symptoms and widespread edema. While the etiology remains unclear, notable associations have been observed with Helicobacter pylori (H. pylori) infection and overexpression of transforming growth factor-alpha (TGF-a). The management often involves supportive measures with medical and surgical interventions for refractory cases and when necessary. This report includes a comprehensive review of the literature on the clinical presentation, diagnostic approach, and management of this rare disease. By documenting such cases in the medical literature, we aim to enhance the clinician's ability to recognize and manage this disorder, thereby preventing the development of more severe manifestations such as gastric carcinoma.

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