Detection of Toxoplasma gondii by Polymerase Chain Reaction in Cerebrospinal Fluid from Human Immunodeficiency Virus-1-infected Japanese Patients with Focal Neurological Signs  

Oleh:

Goto, M. ; Takahashi, T. ; Kanda, T. ; Iwamoto, A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 32 no. 06 (Nov. 2004), page 665-670.
Topik: Toxoplasma gondii; Polymerase Chain Reaction; cerebrospinal fluid; Human Immunodeficiency Virus-1

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K.01-04.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

We aimed to determine the effectiveness of using the polymerase chain reaction (PCR) to detect Toxoplasma gondii in cerebrospinal fluid (CSF) specimens from Japanese patients infected with human immunodeficiency virus (HIV)-1. Twenty-six HIV-positive individuals presenting with focal neurological signs and a possible diagnosis of T. gondii encephalitis (TE) were enrolled in the study between April 1997 and March 2003. Eight patients were diagnosed as having TE using the accepted diagnostic criteria; PCR amplified the T. gondii B1 gene in CSF samples from five of these eight patients. CSF samples from the 18 patients without TE were negative for T. gondii DNA. The sensitivity, specificity and positive and negative predictive values for detecting T. gondii in CSF using PCR were 62.5%, 100%, 100% and 85.7%, respectively. These results suggest that PCR might be a clinically useful technique for detecting T. gondii DNA in patients infected with HIV showing focal neurological signs. Improvements in sensitivity are needed, however.

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