PubMed · 8387660
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1993. Foscarnet--improving survival.. https://pubmed.ncbi.nlm.nih.gov/8387660/
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Infection with cytomegalovirus (CMV) is a frequent complication of organ transplantation and presents a spectrum of disease ranging from asymptomatic viremia to life-threatening tissue-invasive disease. CMV is also lymphotrophic, with the potential to induce autoimmune disease, although immunosuppressive therapy may prevent or attenuate the clinical course in transplant patients. We report a case of idiopathic thrombocytopenic purpura occurring in a renal transplant recipient after primary CMV infection and discuss the possible mechanisms involved.
Collectively, TORCH infections create more neonatal morbidity than early-onset group B streptococcal sepsis. Fortunately, the incidence of maternal infection by CMV or toxoplasmosis is low (2-10 per 1,000 births). There have been tremendous advances in direct antigen testing and in the sensitivity and specificity of IgG and IgM testing. Consistently, research laboratories show more accurate results than in the past. Unfortunately, commercial laboratories are using older, single-kit testing. The relatively poor degree of reliability can lead to unnecessary obstetric intervention or elective termination. Any positive pathogen-specific IgM on maternal serum should have additional confirmatory testing in a reputable research laboratory before any intervention. Direct antigen testing or multiple testing would seem to be appropriate for confirmation. This may include amniocentesis of fetal blood sampling. The research on the newer tests is based of the evaluation of blood from seriously immunocompromised subjects. Extrapolations of test accuracy to similar tests on healthy, pregnant women and their fetuses are likely to be in error. The application of these accurate tests to the obstetric population is a critical research need.
Lung injury caused by intrauterine inflammation has recently been strongly implicated in the pathogenesis of Wilson-Mikity syndrome (WMS). This article supports this theory by suggesting a causative role of intrauterine cytomegalovirus (CMV) infection for the development of WMS. A male premature infant, born at 33 weeks of gestational age, developed chronic lung disease compatible with WMS and diagnostic evaluation was positive for CMV infection. High-resolution computed tomography scan and lung histology revealed typical features of WMS in association with signs of interstitial pneumonia. CMV was found in urine, breastmilk, bronchoalveolar lavage material and lung tissue from open lung biopsy. Follow-up after treatment with ganciclovir and steroids showed resolving lung disease at the age of 6, 10 and 16 months, with lung function signs of mild obstruction. Assuming that a chance coexistence of cytomegalovirus pneumonia and Wilson-Mikity syndrome is rather unlikely, it is possible that intrauterine cytomegalovirus infection caused a pattern of lung injury consistent with Wilson-Mikity syndrome. Further cases of Wilson-Mikity syndrome should be investigated as to a possible role of congenital infection.