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Acute recurrent lymphocytic meningitis in an immunocompetent HIV-positive African woman: Is it a Mollaret's meningitis or not?

ABSTRACT: We report a case of acute recurrent meningitis in an HIV-positive immunocompetent woman. In this case, a 34-year-old African woman with a known HIV infection presented with symptoms of acute meningitis. She was on combination antiretroviral therapy with abacavir, lamivudine, and nevirapine. Her HIV RNA level was <70 IU/mL, and CD4 counts were 640 cells/mm3. This indicates that she was not immunocompromised. She was febrile on examination, with marked neck stiffness. Her cerebrospinal fluid revealed raised white cell counts with 100% lymphocytes and mildly raised protein. Polymerase chain reaction confirmed herpes simplex type 2 meningitis. She recovered fully with aciclovir 800 mg three times a day. However, she was readmitted with a similar presentation 5 months after the initial admission. Her cerebrospinal fluid confirmed recurrent herpes simplex type 2 meningitis. This case alerts the profession to the possibility of non-opportunistic infections in an immunocompetent HIV-positive patient and of herpes simplex virus type 2 causing recurrent lymphocytic meningitis.

SUBMITTER: Yoganathan KT

PROVIDER: S-EPMC5564854 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Project description:BackgroundAdjunctive glucocorticoids are widely used to treat human immunodeficiency virus (HIV)-associated tuberculous meningitis despite limited data supporting their safety and efficacy.MethodsWe conducted a double-blind, randomized, placebo-controlled trial involving HIV-positive adults (≥18 years of age) with tuberculous meningitis in Vietnam and Indonesia. Participants were randomly assigned to receive a 6-to-8-week tapering course of either dexamethasone or placebo in addition to 12 months of antituberculosis chemotherapy. The primary end point was death from any cause during the 12 months after randomization.ResultsA total of 520 adults were randomly assigned to receive either dexamethasone (263 participants) or placebo (257 participants). The median age was 36 years; 255 of 520 participants (49.0%) had never received antiretroviral therapy, and 251 of 484 participants (51.9%) with available data had a baseline CD4 count of 50 cells per cubic millimeter or less. Six participants withdrew from the trial, and five were lost to follow-up. During the 12 months of follow-up, death occurred in 116 of 263 participants (44.1%) in the dexamethasone group and in 126 of 257 participants (49.0%) in the placebo group (hazard ratio, 0.85; 95% confidence interval, 0.66 to 1.10; P = 0.22). Prespecified analyses did not reveal a subgroup that clearly benefited from dexamethasone. The incidence of secondary end-point events, including cases of immune reconstitution inflammatory syndrome during the first 6 months, was similar in the two trial groups. The numbers of participants with at least one serious adverse event were similar in the dexamethasone group (192 of 263 participants [73.0%]) and the placebo group (194 of 257 participants [75.5%]) (P = 0.52).ConclusionsAmong HIV-positive adults with tuberculous meningitis, adjunctive dexamethasone, as compared with placebo, did not confer a benefit with respect to survival or any secondary end point. (Funded by the Wellcome Trust; ACT HIV ClinicalTrials.gov number, NCT03092817.).

Project description:The CYP24A1 gene encodes a mitochondrial 24-hydroxylase that inactivates 1,25(OH)2 D. Loss-of-function mutations in CYP24A1 cause hypercalcemia, nephrolithiasis and nephrocalcinosis. We describe a woman with CYP24A1 deficiency and recurrent gestational hypercalcemia. Her first pregnancy, at age 20, resulted with the intrauterine demise of twin fetuses. Postpartum, she developed severe hypercalcemia (14 mg/dL), altered mental status, and acute pancreatitis. Her PTH was suppressed (6 pg/mL) and her 1,25(OH)2 D was elevated (165 and 195 pg/mL on postpartum day 1 and 5, respectively). Between one and three months postpartum, her serum calcium decreased from 11.4 to 10.2 mg/dL while her 1,25(OH)2 D level decreased from 83 to 24 pg/mL. Her 24-hour urine calcium was 277 mg. Six months postpartum, she became pregnant again. At 14 weeks, her albumin-corrected calcium level was 10.4 mg/dL and her 1,25(OH)2 D level exceeded 200 pg/mL. To establish the diagnosis of CYP24A1 deficiency, we showed her 24,25(OH)2 D level to be undetectable (<2 ng/mL). Exon sequencing of the CYP24A1 gene revealed a homozygous, 8-nucleotide deletion in exon 8, causing an S334V substitution and premature termination due to a frame shift (c.999_1006del, p.Ser334Valfs*9). To prevent hypercalcemia, she was advised to discontinue prenatal vitamins, avoid sun exposure and calcium-rich foods, and start omeprazole and a calcium binder (250 mg K-Phos-neutral with meals). Despite these measures, both hypercalcemia (11.5 mg/dL) and acute pancreatitis recurred. Labor was induced and a healthy, normocalcemic boy was delivered. In the absence of lactation, maternal hypercalcemia resolved within 2 months. This report shows that CYP24A1-deficient subjects may be normocalcemic at baseline. Hypercalcemia may be unmasked by pregnancy through the routine use of calciferol-containing prenatal vitamins, increased 1-alpha hydroxylation of VitD by the placenta and maternal kidney, and production of PTHrP by the uteroplacental unit. CYP24A1 deficiency should be considered in patients with unexplained vitamin D-mediated hypercalcemia. © 2016 American Society for Bone and Mineral Research.

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Acute recurrent lymphocytic meningitis in an immunocompetent HIV-positive African woman: Is it a Mollaret's meningitis or not?

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