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At least 271 records · Page 15Linked to original sources
PubMed1996

Enterocytozoon bieneusi infection and diarrheal disease in patients who were not infected with human immunodeficiency virus: case report and review.

We describe the identification of the protozoan parasite Enterocytozoon bieneusi in the stool of a patient who was not infected with HIV but who presented with persistent diarrheal disease and severe abdominal complaints. The patient was not infected with HIV but had been noted to have a decreased CD4 cell count since at least 1992 and had had a prior episode of cryptococcal meningitis. The organisms were detected in stool smears with a modified trichrome stain and were identified to the species level by transmission electron microscopy of the stool. The patient responded readily and dramatically to treatment with albendazole, with resolution of symptoms and clearance of the organisms from the stool. Eight or possibly nine other cases of E. bieneusi infection associated with diarrheal disease in individuals who were not infected with HIV were identified in the English-language literature. In two individuals with intact immune function, symptoms were self-limited and diarrheal disease resolved within 2 weeks. The cases summarized herein suggest that E. bieneusi may be more commonly associated with sporadic diarrheal disease than was previously suspected and that the immune system may play a role in the control of this organism within the intestine.

Adult↗
PubMed1996

Polyarteritis nodosa in human immunodeficiency virus infection: report of four cases and review of the literature.

Four patients with HIV infection were diagnosed as having panarteritis nodosa type vasculitis in muscle samples taken by biopsy. Fever, weight loss and neuromuscular symptoms were the major complaints. All but one were successfully treated with a low dose of prednisone. The other patient refused treatment, but her muscular complaints did not worsen during 9 months of follow-up. Previously reported cases in the literature are reviewed.

Adult↗
PubMed1992

Nocardiosis in patients with human immunodeficiency virus infection. Report of 2 cases and review of the literature.

Nocardia infection is a rarely reported opportunistic infection in HIV-infected patients. Nocardiosis typically occurs in HIV-infected patients with advanced immunodeficiency (89% of cases), often as the initial serious opportunistic infection (42% of cases). In most HIV-infected patients, nocardia infection is disseminated at the time of diagnosis and is characterized by an indolent course that may be difficult to differentiate from other systemic infections. Invasive procedures to obtain tissue of fluid for culture are frequently necessary to make the diagnosis, although a Gram or modified acid-fast stain of sputum or other infected material may suggest the etiologic agent. Although trimethoprim-sulfamethoxazole is the most commonly used initial therapy, it was discontinued in 50% of cases because of adverse reactions. Even though the optimal treatment has not been defined, nocardiosis in HIV-infected patients can be treated successfully with or without sulfa-containing antimicrobial regimens, along with surgical drainage when necessary. Recurrence is noted after short duration of treatment, and consideration should be given to lifelong maintenance therapy.

Acquired Immunodeficiency Syndrome↗
PubMed1994

Systemic strongyloidiasis in patients infected with the human immunodeficiency virus. A report of 3 cases and review of the literature.

We report 3 cases of systemic strongyloidiasis in HIV-infected individuals and review 11 additional cases reported in the English-language literature. Systemic strongloidiasis is a rare and potentially fatal complication of late-stage HIV disease. A combination of gastrointestinal and respiratory symptoms in an HIV-infected patient who has been to an endemic area should prompt the clinician to search for S. stercoralis in stool and sputum specimens. Treatment failures occur commonly, and careful follow-up is warranted. New antihelminthic drugs (such as ivermectin) seem promising and need to be evaluated in controlled studies.

AIDS-Related Opportunistic Infections↗
PubMed2005

Varied clinical manifestations of Penicillium marneffei in patients with human immunodeficiency virus: a report from south India.

Penicillium marneffei is a dimorphic fungus endemic to northeast India. This is the first report of penicilliosis from a hospital in south India. Three patients with diverse clinical manifestations who presented to a tertiary care hospital are described. High index of clinical suspicion and knowledge of 'local' microbiology is paramount in early diagnosis and timely treatment.

AIDS-Related Opportunistic Infections↗
PubMed2005

Analysis of nucleotide sequences and multimeric forms of a novel satellite RNA associated with beet black scorch virus.

The full-length sequence of a satellite RNA (sat-RNA) of Beet black scorch virus isolate X (BBSV-X) was determined. This agent is 615 nucleotides long and lacks extensive sequence homology with its helper virus or with other reported viruses. Purified virus particles contained abundant single-stranded plus-sense monomers and smaller amounts of dimers. Single-stranded RNAs from total plant RNA extracts also included primarily monomers and smaller amounts of dimers that could be revealed by hybridization, and preparations of purified double-stranded RNAs also contained monomers and dimers. Coinoculation of in vitro transcripts of sat-RNA to Chenopodium amaranticolor with BBSV RNAs was used to assess the replication and accumulation of various forms of sat-RNA, including monomers, dimers, and tetramers. Dimeric sat-RNAs with 5- or 10-base deletions or 15-base insertions within the junction regions accumulated preferentially. In contrast, the replication of monomeric sat-RNA was severely inhibited by five-nucleotide deletions in either the 5' or the 3' termini. Therefore, sequences at both the 5' and the 3' ends of the monomers or the presence of intact juxtaposed multimers is essential for the replication of sat-RNA and for the predomination of monomeric progeny. Comparisons of the time courses of replication initiated by in vitro-synthesized monomeric or multimeric sat-RNAs raised the possibility that the dimeric form has an intermediate role in replication. We propose that replication primarily involves multimers, possibly as dimeric forms. These forms may revert to monomers by a termination of replication at 5' end sequences and/or by internal initiation at the 3' ends of multimeric junctions.

Base Sequence↗
PubMed1999

[Smooth muscle mesentery associated with Epstein-Barr virus (EBV). Report of a case in a child with a liver transplant under FK506 regimen].

Smooth-muscle tumors, benign and malignant, are increasingly recognized in children who are immunocompromised because of HIV infection and organ transplantation. We report a case of an EBV-associated smooth-muscle tumor, of unusual location arising in a seven-year-old post-transplant patient who was previously treated for a lymphoproliferative disease. Five years after liver transplantation, a mesenteric tumor was diagnosed. The tumor was composed of spindle cells with smooth-muscle features. Immunohistochemical analysis was positive for muscle-specific actin and desmin, negative for EBV latent membrane protein (LMP-1). In situ hybridization revealed nuclear EBV sequences. This case underlines the role of EBV infection in the development of unusual smooth-muscle tumors after organ transplantation. The evolution of these rare tumors is uncertain.

Child↗