Journal of Yeungnam Medical Science

Gun Oh Chong

2 Articles

Association between gestational age at delivery and lymphocyte-monocyte ratio in the routine second trimester complete blood cell count: Hyun-Hwa Cha, Jong Mi Kim, Hyun Mi Kim, Mi Ju Kim, Gun Oh Chong, Won Joon Seong; Yeungnam Univ J Med. 2021;38(1):34-38. Published online June 18, 2020; DOI: https://doi.org/10.12701/yujm.2020.00234

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Background
We aimed to determine whether routine second trimester complete blood cell (CBC) count parameters, including neutrophil-lymphocyte ratio (NLR), lymphocyte-monocyte ratio (LMR), and platelet-lymphocyte ratio (PLR), could predict obstetric outcomes.
Methods
We included singleton pregnancies for which the 50-g oral glucose tolerance test and CBC were routinely performed between 24 and 28 weeks of gestation in our outpatient clinic from January 2015 to December 2017. The subjects were divided into three groups according to their pregnancy outcomes as follows: group 1, spontaneous preterm births, including preterm labor and preterm premature rupture of membranes; group 2, indicated preterm birth due to maternal, fetal, or placental causes (hypertensive disorder, fetal growth restriction, or placental abruption); and group 3, term deliveries, regardless of the indication of delivery. We compared the CBC parameters using a bivariate correlation test.
Results
The study included 356 pregnancies. Twenty-eight subjects were in group 1, 20 in group 2, and 308 in group 3. There were no significant differences between the three groups in neutrophil, monocyte, lymphocyte, and platelet counts. Although there was no significant difference in NLR, LMR, and PLR between the three groups, LMR showed a negative correlation with gestational age at delivery (r=−0.126, p=0.016).
Conclusion
We found that a higher LMR in the second trimester was associated with decreased gestational age at delivery. CBC parameters in the second trimester of pregnancy could be used to predict adverse obstetric outcomes.

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Relationship between Platelet-to-Lymphocyte Ratio and Lymphocyte-to-Monocyte Ratio with Spontaneous Preterm Birth: A Systematic Review and Meta-analysis
Liang Peng, Baodi Cao, Fangpeng Hou, Baolin Xu, Hong Zhou, Luyi Liang, Yu Jiang, Xiaohui Wang, Jingjian Zhou, Lingzhang Meng
Journal of Immunology Research.2023; 2023: 1. CrossRef
Evaluation of Complete Blood Cell Count Parameters in the Diagnosis of Threatened Preterm Labor and Premature Rupture of Membranes
Jule Eriç Horasanlı, Elifsena Canan Alp, Ramazan Bülbül
Dubai Medical Journal.2022; 5(3): 157. CrossRef
The Association of Inflammatory Biomarker of Neutrophil-to-Lymphocyte Ratio with Spontaneous Preterm Delivery: A Systematic Review and Meta-analysis
Sina Vakili, Parham Torabinavid, Reza Tabrizi, Alireza Shojazadeh, Nasrin Asadi, Kamran Hessami, Oleh Andrukhov
Mediators of Inflammation.2021; 2021: 1. CrossRef

Comparison of serum anti-Müllerian hormone between unilateral and bilateral ovarian endometriomas during follicular, luteal, and random menstrual phases: a retrospective study: Juhun Lee, Jong Mi Kim, Gun Oh Chong, Dae Gy Hong, Yoon Hee Lee; Received June 26, 2023 Accepted July 29, 2023 Published online August 18, 2023; DOI: https://doi.org/10.12701/jyms.2023.00661

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Abstract: Background
Over the last two decades, serum levels of anti-Müllerian hormone (AMH) have been shown to be reliable markers of ovarian reserve. This study aimed to compare baseline serum AMH levels and well-controlled clinical factors between patients with unilateral and bilateral ovarian endometriomas during the menstrual phase.
Methods
We conducted a retrospective study. We enrolled 136 patients aged 18 to 36 years who were diagnosed with unilateral or bilateral ovarian endometriomas. Serum AMH levels of all patients and their latest two to three menstrual cycles were measured before surgery for ovarian endometriomas. The latest menstrual cycle length ranged from 26 to 30 days. Patients with irregular menstruation, a recent medication history of hormonal drugs other than oral contraceptive pills, a previous history of ovarian surgery, or any medical history influencing ovarian function were excluded.
Results
Of the 136 patients, 76 (55.9%) had unilateral ovarian endometriomas and 60 (44.1%) had bilateral ovarian endometriomas. Serum AMH levels were not significantly different between the two groups in the follicular phase, luteal phase, or at any random time point.
Conclusion
Serum AMH levels were not significantly different between unilateral and bilateral ovarian endometriomas in the follicular and luteal phases, or at any random time during the menstrual cycle when various confounding factors were excluded.

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