American journal of reproductive immunology (New York, N.Y. : 1989) · 2017
Live birth rate following oral antibiotic treatment for chronic endometritis in infertile women with repeated implantation failure.
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Kitaya Kotaro, Matsubayashi Hidehiko, Takaya Yukiko, Nishiyama Rie, Yamaguchi Kohei, Takeuchi Takumi, Ishikawa Tomomoto
Аннотация
PROBLEM: The aim of this prospective study was to investigate the prevalence of chronic endometritis (CE) in infertile women with a history of repeated implantation failure (RIF) and to determine whether oral antibiotic treatment improves their live birth rate in the following embryo transfer (ET) cycles.
METHOD OF STUDY: Endometrial biopsy samples obtained from infertile women with RIF were subjected to immunohistochemistrical/histopathologic diagnosis of CE. Following antibiotic administration to the RIF/CE group, their histopathologic cure rate, microbial detection rate, and reproductive outcome in the subsequent ET cycles were prospectively studied.
RESULTS: 33.7% of infertile women with RIF were diagnosed with CE. Following the first-line doxycycline treatment, the histopathologic cure rate in the subsequent endometrial biopsy was 92.3%. Following the second-line metronidazole/ciprofloxacin treatment, the overall cure rate was 99.1%. The live birth rate in the first ET cycle (P=.031, RR 1.48, 95% CI 1.03-2.12) and cumulative three ET cycles (P=.037, RR 1.39, 95% CI 1.02-1.90) following antibiotic treatment in the cured RIF/CE group (32.8% and 38.8%, respectively) was significantly higher than in the RIF/non-CE group (22.1% and 27.9%, respectively).
CONCLUSION: Chronic endometritis was found in one-third of infertile women with RIF. The oral antibiotic treatment against CE might be a promising therapeutic option for infertile women with RIF.
METHOD OF STUDY: Endometrial biopsy samples obtained from infertile women with RIF were subjected to immunohistochemistrical/histopathologic diagnosis of CE. Following antibiotic administration to the RIF/CE group, their histopathologic cure rate, microbial detection rate, and reproductive outcome in the subsequent ET cycles were prospectively studied.
RESULTS: 33.7% of infertile women with RIF were diagnosed with CE. Following the first-line doxycycline treatment, the histopathologic cure rate in the subsequent endometrial biopsy was 92.3%. Following the second-line metronidazole/ciprofloxacin treatment, the overall cure rate was 99.1%. The live birth rate in the first ET cycle (P=.031, RR 1.48, 95% CI 1.03-2.12) and cumulative three ET cycles (P=.037, RR 1.39, 95% CI 1.02-1.90) following antibiotic treatment in the cured RIF/CE group (32.8% and 38.8%, respectively) was significantly higher than in the RIF/non-CE group (22.1% and 27.9%, respectively).
CONCLUSION: Chronic endometritis was found in one-third of infertile women with RIF. The oral antibiotic treatment against CE might be a promising therapeutic option for infertile women with RIF.