Journals / Perinatoloji Dergisi / 2017 / Cilt: 25 - Sayı: 3

The use of maternal delta neutrophil index for the prediction of chorioamnionitis in very early preterm premature rupture of membranes

Çok erken preterm prematür membran rüptüründe koryoamniyoniti öngörmede maternal delta nötrofil indeksinin yeri

Pages
97–102
DOI
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Conclusion: Delta neutrophil index is an infection marker which may be useful for the prediction of chorioamnionitis during followup in patients who develop very early preterm premature rupture of membranes, can be checked by complete blood count, of which results can be obtained quickly and does not requires additional costs, and the diagnostic performance of the test seems higher than CRP, procalcitonin and leukocyte

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Objective & Hypothesis:Objective: In this study, we aimed to assess the use of maternal delta neutrophil index for the prediction of chorioamnionitis in pregnancies complicated with very early preterm premature rupture of membranes, and to compare this index with other routine infection markers.
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Key Findings & Data:Methods: The files of all patients who admitted to the Obstetrics and Gynecology Clinic of Faculty of Medicine, ‹nönü University, due to preterm premature rupture of membranes between 16 and 24 weeks of gestation between April 1, 2014 and January 1, 2017 and applied expectant management were reviewed retrospectively, and the patients who were eligible for the inclusion criteria were included in the study.
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Conclusion & Impact:Conclusion: Delta neutrophil index is an infection marker which may be useful for the prediction of chorioamnionitis during followup in patients who develop very early preterm premature rupture of membranes, can be checked by complete blood count, of which results can be obtained quickly and does not requires additional costs, and the diagnostic performance of the test seems higher than CRP, procalcitonin and leukocyte
🔬Design:Review & Systematic Survey
📍Scope:2014 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: In this study, we aimed to assess the use of maternal delta neutrophil index for the prediction of chorioamnionitis in pregnancies complicated with very early preterm premature rupture of membranes, and to compare this index with other routine infection markers. Methods: The files of all patients who admitted to the Obstetrics and Gynecology Clinic of Faculty of Medicine, ‹nönü University, due to preterm premature rupture of membranes between 16 and 24 weeks of gestation between April 1, 2014 and January 1, 2017 and applied expectant management were reviewed retrospectively, and the patients who were eligible for the inclusion criteria were included in the study. Receiver operating characteristic (ROC) curve analy is was used to determine cut-off values of serum leukocyte with chorioamnionitis, C-reactive protein (CRP), procalcitonin and delta neutrophil index (DNI) levels, and sensitivity and specificity values were calculated. In all analyses, 0.05 was considered as the significance level. Results: A total of 73 patients matching with inclusion criteria were identified. While 43 (58.9%) of these patients were diagnosed with chorioamnionitis, no chorioamnionitis was found in 30 (41.1%) patients. While the cut-off value for DNI was 1.0 [area under receiver operating characteristic (AUROC) 0.943, 95% confidence interval (CI) 0.863–0.984, p<0.0001] with 93.02% sensitivity and 93.33% specificity, it was 13.9 (AUROC 0.650 95% CI 0.529– 0.758, p=0.0239) for leukocyte with 51.16% sensitivity and 90% specificity, and 1.34 (AUROC 0.708, 95% CI 0.590–0.808, p= 0.0006) for CRP with 67.44% sensitivity and 76.67% specificity. Conclusion: Delta neutrophil index is an infection marker which may be useful for the prediction of chorioamnionitis during followup in patients who develop very early preterm premature rupture of membranes, can be checked by complete blood count, of which results can be obtained quickly and does not requires additional costs, and the diagnostic performance of the test seems higher than CRP, procalcitonin and leukocyte

Özet

Amaç: Bu çalışmada çok erken preterm prematür membran rüptürü ile komplike olan gebeliklerde koryoamniyoniti predikte etmede maternal delta nötrofil indeksinin kullanımını değerlendirmeyi ve bu indeksi diğer rutin enfeksiyon belirteçleriyle karşılaştırmayı amaçladık. Yöntem: ınönü Üniversitesi Tıp Fakültesi Hastanesi Kadın Hastalıkları ve Doğum Kliniği’ne 01.04.2014 – 01.01.2017 tarihleri arasında, gebeliğin 16–24. haftasında preterm prematür membran rüptürü nedeni ile başvuran ve bekleme yönetimi uygulanmış tüm hastaların dosyaları retrospektif olarak taranarak, çalışma kriterlerine uygun hastalar çalışmaya dahil edildi. Koryoamniyonitin olduğu serum lökosit, C reaktif protein (CRP), prokalsitonin ve delta nötrofil indeksi (DN‹) seviyelerinin cut-off değerlerini saptamak için receiver operating characteristic (ROC) e¤risi analizi kullanıldı ve sensitivite ve spesifite değerleri hesaplandı. Tüm analizlerde anlamlılık düzeyi 0.05 olarak kabul edildi. Bulgular: Çalışma kriterlerine uygun toplam 73 hasta saptandı. Bu hastalardan 43’ü (%58.9) izlem sırasında koryoamniyonit tanısı alırken, 30’unda (%41.1) koryoamniyonit saptanmadı. DNı için cut-off değeri %93.02 sensitivite, %93.33 spesifite ile 1.0 [area under receiver operating characteristic (AUROC) 0.943, %95 güven aralığı (CI) 0.863–0.984, p<0.0001], lökosit için cut-off değeri %51.16 sensitivite, %90 spesifite ile 13.9 (AUROC 0.650 %95 CI 0.529–0.758, p=0.0239), CRP için cut-off de¤eri %67.44 sensitivite, %76.67 spesifite ile 1.34 (AUROC 0.708, %95 CI 0.590– 0.808, p=0.0006) saptandı. Sonuç: Delta nötrofil indeksi çok erken preterm prematüre membran rüptürü gelişen hastalarda izlem sırasında koryoamniyonit prediksiyonunda kullanışlı olabilecek, tam kan sayımı ile birlikte bakılabilen, hızlı sonuç alınabilen, ek maliyet gerektirmeyen bir enfeksiyon belirteci olup testin diagnostik performans› CRP, prokalsitonin ve lökosite göre daha yüksek görünmektedir.

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Cite This Article

MELEKOĞLU, R., ERASLAN, S., ÇELİK, E., BAĞ, H. G. G. (2017). The use of maternal delta neutrophil index for the prediction of chorioamnionitis in very early preterm premature rupture of membranes. Perinatoloji Dergisi, Cilt: 25 - Sayı: 3, 97–102. https://ajindex.com/articles/300329

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