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JOURNAL ARTICLE
RESEARCH SUPPORT, U.S. GOV'T, P.H.S.
Herpes simplex virus type 2 detection by culture and polymerase chain reaction and relationship to genital symptoms and cervical antibody status during the third trimester of pregnancy.
American Journal of Obstetrics and Gynecology 1997 Februrary
OBJECTIVES: Our goal was to define the frequency of asymptomatic herpes simplex virus type 2 shedding by culture and polymerase chain reaction and to correlate our findings with cervical anti-herpes simplex virus type 2 immunoglobulin A production.
STUDY DESIGN: Women who were seropositive for herpes simplex virus type 2 collected daily genital tract samples during the third trimester for culture and deoxyribonucleic acid quantitation by polymerase chain reaction. Cervical secretions were collected weekly for anti-herpes simplex virus type 2 immunoglobulin A. Asymptomatic shedding by culture versus polymerase chain reaction and anti-herpes simplex virus type 2 immunoglobulin A detection with and without genital shedding were compared by means of McNemar's chi 2 test.
RESULTS: Asymptomatic shedding was more frequent by polymerase chain reaction than by culture (13.8% vs 2.3%, p < 0.0001). When cervical anti-herpes simplex virus type 2 immunoglobulin A was present, patients were more likely to have negative results by polymerase chain reaction than positive results (66.7% vs 26.7%, p = 0.001). Anti-herpes simplex virus type 2 immunoglobulin A was detected beyond 37 weeks in only one subject.
CONCLUSIONS: Polymerase chain reaction was more sensitive than culture for detecting asymptomatic genital herpes simplex virus. The role of immunoglobulin A in clearing genital herpes simplex virus remains to be determined.
STUDY DESIGN: Women who were seropositive for herpes simplex virus type 2 collected daily genital tract samples during the third trimester for culture and deoxyribonucleic acid quantitation by polymerase chain reaction. Cervical secretions were collected weekly for anti-herpes simplex virus type 2 immunoglobulin A. Asymptomatic shedding by culture versus polymerase chain reaction and anti-herpes simplex virus type 2 immunoglobulin A detection with and without genital shedding were compared by means of McNemar's chi 2 test.
RESULTS: Asymptomatic shedding was more frequent by polymerase chain reaction than by culture (13.8% vs 2.3%, p < 0.0001). When cervical anti-herpes simplex virus type 2 immunoglobulin A was present, patients were more likely to have negative results by polymerase chain reaction than positive results (66.7% vs 26.7%, p = 0.001). Anti-herpes simplex virus type 2 immunoglobulin A was detected beyond 37 weeks in only one subject.
CONCLUSIONS: Polymerase chain reaction was more sensitive than culture for detecting asymptomatic genital herpes simplex virus. The role of immunoglobulin A in clearing genital herpes simplex virus remains to be determined.
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