Prophylactic use of vitamin k in special neonatal populations: a quality assessment of clinical guidelines.

Abstract

Vitamin K deficiency bleeding (VKDB) is a serious neonatal condition. Despite widespread prophylaxis, a unified and explicit prevention strategy remains lacking for special neonatal populations. This study systematically searched the PubMed and CNKI databases, along with the websites of relevant guideline-issuing organizations. Clinical practice guidelines published up to June 30, 2025, were included, excluding outdated versions superseded by updated guidelines and documents not published in Eng