Relationship between fetal and neonatal bicromial diameter measurements and shoulder dystocia, a systematic review

Öz

This article aims to systematically review prior studies on the relationship between fetal and neonatal biacromial diameter measurements and shoulder dystocia and to guide further studies on this subject. The literature was reviewed by searching the keywords 'fetal biacromial', 'fetal bisacromial', 'fetal bis-acromial', 'neonatal biacromial', 'neonatal bisacromial', 'neonatal bis-acromial', 'shoulder dystocia' on the Pubmed, Embase, Cochrane Library search engines with the 'All Fields' option enabled and year ranges left blank. Randomized controlled trials, case-control studies and cohort studies written in English were included. 30 articles were found. Eight of these met the inclusion criteria. The articles were examined by both Dr. XX and Dr. XX separately. Discrepancies regarding the articles were solved by the arbitration of Dr. XX. Eight articles including a total of 3669 patients were included in the review. It was observed that the articles used no common standardized measurement technique or measurement material to assess fetal and neonatal biacromial distance. The review revealed that the cutoff value for fetal biacromial diameter was between 13.8-15.4 mm and that this measurement reliably predicted shoulder dystocia. When the cutoff value for neonatal biacromial diameter was 14 mm, a strong positive correlation between this measurement and shoulder dystocia was found. Both fetal and neonatal biacromial diameters are positively correlated with shoulder dystocia. Establishing standardized and easy-to-use measurement methods can make biacromial diameter measurements more useful for obstetricians in predicting shoulder dystocia.

Anahtar Kelimeler

• Shoulder dystocia
• Anthropometry
• Prenatal ultrasonography
• Newborn

Fetal ve neonatal biacromial çap ölçümlerinin omuz distosisi ile ilişkisi, sistematik review

Öz

Bu makale fetal ve neonatal biacromial çap ölçümlerinin omuz distosisi ile ilişkisini araştıran literatür çalışmalarını sistematik olarak derlemek ve bu konuda yapılacak diğer çalışmalara ışık tutmak amacıyla yazılmıştır. Yıl sınırlaması olmaksızın ‘fetal biacromial’, ‘fetal bisacromial’, ‘fetal bis-acromial’, ‘neonatal biacromial’, ‘neonatal bisacromial’, ‘neonatal bis-acromial’, ’shoulder dystocia’ anahtar sözcükleri ‘All Fields’ seçeneği kullanılarak, Pubmed, Embase, Cochrane Library arama motorları ile literatür tarandı. İngilizce dilinde olanlar ve randomize kontrollu çalışma, vaka kontrol çalışma, kohort çalışması niteliğinde olan çalışmalar dahil edildi. 30 sayıda yayına ulaşıldı. Bunların 8 tanesi seçim kriterlerini karşıladı. Yayınlar Dr XX ve Dr XX tarafından ayrı ayrı değerlendirildi. Hakkında çelişkiye düşülen yayınlar için Dr XX hakem olarak kararına uyuldu. 3669 sayıda hastayı içeren 8 yayın derleme kapsamına alındı. Fetal ve neonatal biacromial mesafeyi değerlendirmek için standart bir ölçüm tekniği ve ölçüm materyali olmadığı izlendi. Yayınların incelenmesi sonucunda fetal biacromial ölçümün cutoff değerinin 13,8-15,4 arasında olduğu ve bu ölçümün omuz distosisini güvenilir şekilde öngördüğü bulundu. Neonatal biacromial ölçüm için cutoff değeri 14 mm alındığında omuz distosisi ile kuvvetli pozitif korelasyon tespit edilmiştir. Sonuç olarak hem fetal hem de neonatal biacromial ölçüm ile omuz distosisi arasında pozitif korelasyon vardır. Ölçüm metodlarının standart ve kolay kullanılabilir olması biacromial çap ölçümünün omuz distosisi prediksiyonu için obstetrisyenler tarafından daha fazla tercih edilmesini sağlayacaktır.

Anahtar Kelimeler

• Omuz distosisi
• Antropometri
• Prenatal ultrasonografi
• Yenidoğan

Kaynakça

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