Publications by authors named "Heon Jong Yoo"

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  • The genus Streptococcus includes both harmless and harmful bacteria that naturally reside in the human body, particularly in the female genital tract (FGT), where there are two main groups: the pathogenic group B Streptococci (GBS) and the commensal viridans group streptococci (VGS).
  • A novel strain named Streptococcus sp. K0074 was isolated from a vaginal swab of an endometrial cancer patient and showed potential as a commensal member of the VGS, specifically within the mitis subgroup.
  • This strain produced a bacteriocin-like substance that can inhibit the growth and biofilm formation of the harmful bacterium MRSA, suggesting it may play a significant
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  • A nationwide survey in Korea was conducted to investigate the practices of gynecologic oncologists regarding peritonectomy techniques (total vs. selective) for treating advanced ovarian/fallopian tube cancer.
  • Results showed that 98.9% and 93.8% of the oncologists performed selective parietal peritonectomy (SPP) during primary and interval debulking surgeries, while only 4.9% performed total parietal peritonectomy (TPP).
  • Concerns about patient morbidity and unclear benefits of TPP were the main reasons for its low usage, indicating a need for further studies to assess TPP's feasibility before initiating a larger clinical trial.
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  • * Patients who underwent surgery had higher initial lactic acid levels and shock indexes, indicating more severe conditions, while also exhibiting lower heart rates and body temperatures.
  • * Surgical patients had worse overall outcomes, with specific predictors for surgery identified, and the subgroup analysis revealed that delayed surgical interventions correlated with higher rates of severity in conditions like uterine atony and hysterectomy.
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Endometriosis, which is the presence of endometrial stroma and glands outside the uterus, is one of the most frequently diagnosed gynecologic diseases in reproductive women. Patients with endometriosis suffer from various pain symptoms such as dysmenorrhea, dyspareunia, and chronic pelvic pain. The pathophysiology for chronic pain in patients with endometriosis has not been fully understood.

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Surgical debridement is an essential step in treating complex facial lacerations (CFL). As the CFL severity increases, conventional surgical debridement (CSD) of wound edges becomes difficult and may be insufficient. Because the severity and shape of each CFL vary, it is necessary to tailor the customized pre-excisional design, that is, tailored surgical debridement (TSD), for each case before performing surgical debridement.

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Most high-grade serous ovarian carcinomas (HGSOCs) involving the peritoneum are aggressive. Epidermal growth factor receptor 2 (HER2) is aberrantly activated in a variety of solid cancers. The HER2 status of a tumor is based on cytoplasmic membrane staining of an intracellular domain (ICD)-specific HER2 antibody.

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The COVID 19 pandemic is far from over, and vaccines remain important tool for fighting the disease. As the preventive effects of the COVID-19 vaccine emerges, it is likely that the perception of importance and safety of vaccines have a positive effect on the acceptance of other vaccines. However, it is still unclear how COVID-19 pandemic has affected the general vaccination perception and acceptance.

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To evaluate the efficacy and safety of a gonadotropin-releasing hormone (GnRH) agonist for treating large-sized submucosal leiomyoma before hysteroscopic myomectomy. The data were retrospectively collected from patients who underwent a hysteroscopic myomectomy for a submucosal leiomyoma >3.5 cm in size from January 2009 to December 2018.

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Objective: In the present study, we attempted to identify the effects of fenofibrate on human cervical cancer cells.

Methods: The cytotoxicity of fenofibrate in cervical cancer cells was determined by Cell Counting Kit-8. Immunoblotting assay was used to determine the protein expression of caspase-3, poly ADP-ribose polymerase cleavage, B-cell lymphoma 2 family protein expression, microtubule-associated protein 1A/1B-light chain 3 (LC3), as well as cyclins and cyclin-dependent kinases.

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This study evaluated the efficacy and feasibility of long-term use of levonorgestrel releasing intrauterine system (LNG-IUS) in endometriosis patients after using LNG-IUS for >5 years as their postoperative maintenance therapy.Data were obtained retrospectively from patients who maintained medical therapy for >5 years after surgical treatment of endometriosis from January 2008 to April 2015. Patients were divided into study group and control group according to the type of medication; the study group consisted of patients who received LNG-IUS as maintenance therapy, and patients in the control group received combined oral contraceptives (ethinyl estradiol 20 μg and drospirenone 3 mg) or dienogest 2 mg.

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Importance: Ovarian cancer has the highest mortality rate among gynecologic malignant tumors. Data are lacking on the survival benefit of hyperthermic intraperitoneal chemotherapy (HIPEC) in women with ovarian cancer who underwent primary or interval cytoreductive surgery.

Objective: To assess the clinical benefit of HIPEC after primary or interval maximal cytoreductive surgery in women with stage III or IV primary advanced ovarian cancer.

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The sociomedical environment is changing. In the traditional physician-patient relationship, the physician was authoritative and the patient was obedient. The contractual relationship featured patient consent to the physician's decision.

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The sociomedical environment is changing. In the traditional physician-patient relationship, the physician was authoritative and the patient was obedient. The contractual relationship featured patient consent to the physician's decision.

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Background: In twin pregnancies, the cord prolapse of either fetus during the pre-viable period leads to fetal death but can also cause an intrauterine infection, leading to death or prematu-re birth of the remaining fetus. However, there are no validated protocols to prolong the gestational period or decrease the morbidity and mortality of the remaining fetus.

Case Presentation: The present cases were PPROM and cord prolapse very early during the second trimester (around 17 weeks in the first case and 19 weeks in the second case).

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Aim: The aim of this study was to evaluate the clinical performance for detecting cervical intraepithelial neoplasia (CIN) 2 or higher lesions among available human papillomavirus infection (HPV) genotyping tests in Korea.

Methods: Eligible patients visited 13 tertiary hospitals for colposcopic biopsy following cervical cytology and HPV genotyping test between January and December 2018. Baseline characteristics including age, body mass index (BMI), and parity were collected from 3798 patients.

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We conducted a survey to evaluate the awareness of genetic counseling and testing for hereditary gynecologic cancers among Korean healthcare providers. We performed an on-the-spot survey using 29 questions on respondents' basic information, awareness of pre/post-test genetic counseling, genetic information management, and related social issues. We surveyed healthcare providers who attended the 2019 Hereditary Gynecologic Cancer Symposium organized by the Korean Society of Gynecologic Oncology.

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Considering the high morbidity and mortality of Coronavirus disease 2019 (COVID-19) in patients with malignancy, they are regarded as a priority for COVID-19 vaccination. However, general vaccine uptake rates among cancer patients are known to be lower than in their healthy counterparts. Thus, we aimed to investigate the attitude and acceptance rates for the COVID-19 vaccine in cancer patients and identify predictive factors for vaccination that could be modified to increase vaccine uptake rates, via a paper-based survey (58 items over six domains).

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Background: Cervical cancer is the fourth common cancer in women worldwide. The Papanicolau test is the primary screening procedure to detect abnormal cervical cells. Colposcopy is the main procedure for discriminating high-grade cervical lesions.

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This study aimed at understanding the trend in extracellular fluid (ECF) change and estimating the efficacy of the early complex decongestive therapy (CDT) program in terms of prevalence of lower limb lymphedema, as well as at identifying the quality of life (QoL) associated with response to CDT after gynecological cancer therapy. Thirty-one patients undergoing gynecological cancer treatment were enrolled and randomly assigned to the CDT and control groups. In the CDT group, CDT was started within 2 weeks after surgery for 30 minutes a day, for 2 weeks (5 days per week).

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Article Synopsis
  • This study examined the occurrence of lymphocele in patients who underwent pelvic and para-aortic lymph node dissection for gynecologic cancers between March 2013 and May 2016.
  • Out of 116 patients, 42% developed lymphocele, with 12.1% experiencing symptoms, and factors like concurrent PLND and PALND, along with significant blood loss (≥600 mL), were linked to greater risk.
  • The findings showed that lymphocele was more common on the left side of the body and the pelvic area compared to the right side and para-aortic region.
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To evaluate the efficacy and feasibility of levonorgestrel-releasing intrauterine device (LNG-IUD) use longer than 5 years in women with adenomyosis.Data were retrospectively collected from patients who were treated with LNG-IUD longer than 5 years at the Chungnam National University hospital for adenomyosis diagnosed with ultrasonography from January 2006 to November 2013.A total of 131 patients who were diagnosed with adenomyosis had treated with LNG-IUD longer than 5 years.

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Background: This study assessed the effects of gonadotropin-releasing hormone agonists (GnRHa) on the prevention of chemotherapy-induced ovarian insufficiency among young patients with malignant ovarian germ cell tumour (MOGCT) receiving chemotherapy.

Methods: This multicentre, retrospective study was conducted at 15 sites affiliated with the Korean Gynecologic Oncology Group and enrolled 354 patients between January 1995 and September 2018. Among them, 227 patients were included in this study and divided into two groups according to the use of GnRHa during chemotherapy (GnRHa versus no GnRHa groups).

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Background: To compare the efficacy of serotonin-norepinephrine reuptake inhibitors (SNRIs) treatment for chemotherapy-induced peripheral neuropathy (CIPN) METHODS:: Two authors independently searched MEDLINE, Embase, Cochran Library, and Web of Science to identify and review articles published from January 1998 until December 2018 according to selection criteria. Outcomes were expressed as mean difference, the pooled odds ratio, or relative risk in a meta-analysis model.

Results: A total of 10 studies were included in this meta-analysis: 6 randomized-controlled studies and 4 observational studies.

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Background: Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase-derived reactive oxygen species (ROS) not only can promote cancer progression, but also they have recently emerged as mediators of the mucosal immune system. However, the roles and clinical relevance of the collective or individual NADPH oxidase (NOX) family genes in cervical cancer have not been studied.

Methods: We investigated the clinical significance of the NOX family genes using data from 307 patients with cervical cancer obtained from The Cancer Genome Atlas.

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