1.Outcomes of Heterotopic Pregnancies in a Single Tertiary Hospital: A Retrospective Study
Ah-La CHO ; En Och HONG ; Yun Young NA ; Jong Woon KIM ; Myeong Gyun CHOI ; Yoon Ha KIM
Perinatology 2024;35(4):120-127
Objective:
Our goal was to review outcomes of patients with heterotopic pregnancies who under went surgical treatment.
Methods:
From January 1, 2005 to December 31, 2021, 27 women with heterotopic pregnancies who had undergone surgical treatment were enrolled. We investigated pregnancy outcomes based on clinical records and follow-up telephone interviews. Three of the 27 patients were excluded because we were unable to contact them.
Results:
Of the 24 patients included in the study, 17 underwent salpingectomies for tubal pregnan cies, 5 underwent wedge resections for cornual pregnancies, and 1 underwent a unilateral salpingooophorectomy for ovarian pregnancy. One patient with a suspected heterotopic cervical pregnancy had undergone extraction with forceps and curettage under abdominal ultrasound guidance. Three patients had spontaneous abortions after treatment for heterotopic pregnancies (2 tubal pregnancies, one cervical pregnancy). Twenty-one of 24 patients had heterotopic pregnancies that occurred after assisted reproductive technology. Three cases were heterotopic pregnancies that occurred without reproductive interventions. Among 24 patients who underwent surgical treatment, 18 patients (75.0%) had full-term deliveries.
Conclusion
There were no hospitalizations due to preterm labor, and 21 deliveries (87.5%) were either late preterm or full-term. There were no fetal abnormalities or maternal complications. Although the development of assisted reproductive technologies has increased the incidence of heterotopic pregnancy, the outcomes of heterotopic pregnancies are generally good.
2.Outcomes of Heterotopic Pregnancies in a Single Tertiary Hospital: A Retrospective Study
Ah-La CHO ; En Och HONG ; Yun Young NA ; Jong Woon KIM ; Myeong Gyun CHOI ; Yoon Ha KIM
Perinatology 2024;35(4):120-127
Objective:
Our goal was to review outcomes of patients with heterotopic pregnancies who under went surgical treatment.
Methods:
From January 1, 2005 to December 31, 2021, 27 women with heterotopic pregnancies who had undergone surgical treatment were enrolled. We investigated pregnancy outcomes based on clinical records and follow-up telephone interviews. Three of the 27 patients were excluded because we were unable to contact them.
Results:
Of the 24 patients included in the study, 17 underwent salpingectomies for tubal pregnan cies, 5 underwent wedge resections for cornual pregnancies, and 1 underwent a unilateral salpingooophorectomy for ovarian pregnancy. One patient with a suspected heterotopic cervical pregnancy had undergone extraction with forceps and curettage under abdominal ultrasound guidance. Three patients had spontaneous abortions after treatment for heterotopic pregnancies (2 tubal pregnancies, one cervical pregnancy). Twenty-one of 24 patients had heterotopic pregnancies that occurred after assisted reproductive technology. Three cases were heterotopic pregnancies that occurred without reproductive interventions. Among 24 patients who underwent surgical treatment, 18 patients (75.0%) had full-term deliveries.
Conclusion
There were no hospitalizations due to preterm labor, and 21 deliveries (87.5%) were either late preterm or full-term. There were no fetal abnormalities or maternal complications. Although the development of assisted reproductive technologies has increased the incidence of heterotopic pregnancy, the outcomes of heterotopic pregnancies are generally good.
3.Outcomes of Heterotopic Pregnancies in a Single Tertiary Hospital: A Retrospective Study
Ah-La CHO ; En Och HONG ; Yun Young NA ; Jong Woon KIM ; Myeong Gyun CHOI ; Yoon Ha KIM
Perinatology 2024;35(4):120-127
Objective:
Our goal was to review outcomes of patients with heterotopic pregnancies who under went surgical treatment.
Methods:
From January 1, 2005 to December 31, 2021, 27 women with heterotopic pregnancies who had undergone surgical treatment were enrolled. We investigated pregnancy outcomes based on clinical records and follow-up telephone interviews. Three of the 27 patients were excluded because we were unable to contact them.
Results:
Of the 24 patients included in the study, 17 underwent salpingectomies for tubal pregnan cies, 5 underwent wedge resections for cornual pregnancies, and 1 underwent a unilateral salpingooophorectomy for ovarian pregnancy. One patient with a suspected heterotopic cervical pregnancy had undergone extraction with forceps and curettage under abdominal ultrasound guidance. Three patients had spontaneous abortions after treatment for heterotopic pregnancies (2 tubal pregnancies, one cervical pregnancy). Twenty-one of 24 patients had heterotopic pregnancies that occurred after assisted reproductive technology. Three cases were heterotopic pregnancies that occurred without reproductive interventions. Among 24 patients who underwent surgical treatment, 18 patients (75.0%) had full-term deliveries.
Conclusion
There were no hospitalizations due to preterm labor, and 21 deliveries (87.5%) were either late preterm or full-term. There were no fetal abnormalities or maternal complications. Although the development of assisted reproductive technologies has increased the incidence of heterotopic pregnancy, the outcomes of heterotopic pregnancies are generally good.
4.Outcomes of Heterotopic Pregnancies in a Single Tertiary Hospital: A Retrospective Study
Ah-La CHO ; En Och HONG ; Yun Young NA ; Jong Woon KIM ; Myeong Gyun CHOI ; Yoon Ha KIM
Perinatology 2024;35(4):120-127
Objective:
Our goal was to review outcomes of patients with heterotopic pregnancies who under went surgical treatment.
Methods:
From January 1, 2005 to December 31, 2021, 27 women with heterotopic pregnancies who had undergone surgical treatment were enrolled. We investigated pregnancy outcomes based on clinical records and follow-up telephone interviews. Three of the 27 patients were excluded because we were unable to contact them.
Results:
Of the 24 patients included in the study, 17 underwent salpingectomies for tubal pregnan cies, 5 underwent wedge resections for cornual pregnancies, and 1 underwent a unilateral salpingooophorectomy for ovarian pregnancy. One patient with a suspected heterotopic cervical pregnancy had undergone extraction with forceps and curettage under abdominal ultrasound guidance. Three patients had spontaneous abortions after treatment for heterotopic pregnancies (2 tubal pregnancies, one cervical pregnancy). Twenty-one of 24 patients had heterotopic pregnancies that occurred after assisted reproductive technology. Three cases were heterotopic pregnancies that occurred without reproductive interventions. Among 24 patients who underwent surgical treatment, 18 patients (75.0%) had full-term deliveries.
Conclusion
There were no hospitalizations due to preterm labor, and 21 deliveries (87.5%) were either late preterm or full-term. There were no fetal abnormalities or maternal complications. Although the development of assisted reproductive technologies has increased the incidence of heterotopic pregnancy, the outcomes of heterotopic pregnancies are generally good.
5.Outcomes of Heterotopic Pregnancies in a Single Tertiary Hospital: A Retrospective Study
Ah-La CHO ; En Och HONG ; Yun Young NA ; Jong Woon KIM ; Myeong Gyun CHOI ; Yoon Ha KIM
Perinatology 2024;35(4):120-127
Objective:
Our goal was to review outcomes of patients with heterotopic pregnancies who under went surgical treatment.
Methods:
From January 1, 2005 to December 31, 2021, 27 women with heterotopic pregnancies who had undergone surgical treatment were enrolled. We investigated pregnancy outcomes based on clinical records and follow-up telephone interviews. Three of the 27 patients were excluded because we were unable to contact them.
Results:
Of the 24 patients included in the study, 17 underwent salpingectomies for tubal pregnan cies, 5 underwent wedge resections for cornual pregnancies, and 1 underwent a unilateral salpingooophorectomy for ovarian pregnancy. One patient with a suspected heterotopic cervical pregnancy had undergone extraction with forceps and curettage under abdominal ultrasound guidance. Three patients had spontaneous abortions after treatment for heterotopic pregnancies (2 tubal pregnancies, one cervical pregnancy). Twenty-one of 24 patients had heterotopic pregnancies that occurred after assisted reproductive technology. Three cases were heterotopic pregnancies that occurred without reproductive interventions. Among 24 patients who underwent surgical treatment, 18 patients (75.0%) had full-term deliveries.
Conclusion
There were no hospitalizations due to preterm labor, and 21 deliveries (87.5%) were either late preterm or full-term. There were no fetal abnormalities or maternal complications. Although the development of assisted reproductive technologies has increased the incidence of heterotopic pregnancy, the outcomes of heterotopic pregnancies are generally good.
6.Evaluation of the impact of prospective payment systems on cholecystectomy:A systematic review and meta-analysis
Yun ZHAO ; Ivan En-Howe TAN ; Vikneswary D/O A JAHNASEGAR ; Hui Min CHONG ; Yonghui CHEN ; Brian Kim POH GOH ; Marianne Kit HAR AU ; Ye Xin KOH
Annals of Hepato-Biliary-Pancreatic Surgery 2024;28(3):291-301
This systematic review and meta-analysis aimed to evaluate the impact of prospective payment systems (PPSs) on cholecystectomy.A comprehensive literature review was conducted, examining studies published until December 2023. The review process focused on identifying research across major databases that reported critical outcomes such as length of stay (LOS), mortality, complications, admissions, readmissions, and costs following PPS for cholecystectomy. The studies were specifically selected for their relevance to the impact of PPS or the transition from fee-for-service (FFS) to PPS. The study analyzed six papers, with three eligible for meta-analysis, to assess the impact of the shift from FFS to PPS in laparoscopic and open cholecystectomy procedures. Our findings indicated no significant changes in LOS and mortality rates following the transition from FFS to PPS. Complication rates varied and were influenced by the diagnosis-related group categorization and surgeon cost profiles under episode-based payment. There was a slight increase in admissions and readmissions, and mixed effects on hospital costs and financial margins, suggesting varied responses to PPS for cholecystectomy procedures. The impact of PPS on cholecystectomy is nuanced and varies across different aspects of healthcare delivery.Our findings indicate a need for adaptable, patient-centered PPS models that balance economic efficiency with high-quality patient care. The study emphasizes the importance of considering specific surgical procedures and patient demographics in healthcare payment reforms.
7.Clinical and radiological characteristics of odontomas: A retrospective study of 90 cases
Dung Kim NGUYEN ; Duong Van HUYNH
Imaging Science in Dentistry 2023;53(2):117-126
Purpose:
Odontomas represent a common clinical entity among odontogenic tumors, but are not well-addressed in the Vietnamese population. The present study aimed to determine the clinical and preclinical characteristics of odontomas and associated factors in the Vietnamese population.
Materials and Methods:
This retrospective study retrieved data from histopathological diagnoses from 2 central hospitals of Odonto-Stomatology in Ho Chi Minh City, Vietnam during 2004-2017. The odontomas were classified as complex (CxOD) or compound (CpOD) subtypes. The epidemiological, clinical, and radiological characteristics of the odontomas, stratified by subtype and sex, were obtained and analyzed.
Results:
Ninety cases, consisting of 46 CxODs and 44 CpODs, were included. The average age of patients was 32.4 (±20.2) years. The patients with CxOD were older than those with CpOD (P<0.05). Clinically, 67% of patients showed an intraoral bone expansion. Approximately 60% of patients with CxOD exhibited a painful symptom, about 3-fold more than those with CpOD (P<0.05), whereas almost all patients with CpOD exhibited perturbations of dentition, unlike those with CxOD (P<0.05). Radiologically, CxOD was characterized by a larger dimension than CpOD in both sexes (P<0.05), and CpOD induced complications in adjacent teeth more often than CxOD (P<0.05). The development of odontoma with advancing age differed significantly in odontoma subtypes related to their pathological origins, and between the sexes, resulting from different physiological states.
Conclusion
The findings of this study highlight the value of clinical and radiological features of odontomas and their associated factors for the early diagnosis and adequate treatment of younger patients. (Imaging Sci Dent 2023; 53: 117-26)
8.Decreased birth weight after prenatal exposure to wildfires on the eastern coast of Korea in 2000
En-Joo JUNG ; Ah-Young LIM ; Jong-Hun KIM
Epidemiology and Health 2023;45(1):e2023003-
OBJECTIVES:
In April 2000, a series of wildfires occurred simultaneously in five adjacent small cities located on the eastern coast of Korea. These wildfires burned approximately 23,794 hectares of forestland over several days. We investigated the effects of prenatal exposure to the by-products generated by wildfire disasters on birth weight.
METHODS:
Birth weight data were obtained for 1999-2001 from the birth registration database of the Korean National Statistical Office and matched with the zip code and exposed/unexposed pregnancy week for days of the wildfires. Generalized linear models were then used to assess the associations between birth weight and exposure to wildfires after adjusting for fetal sex, gestational age, parity, maternal age, maternal education, paternal education, and average exposed atmospheric temperature.
RESULTS:
Compared with unexposed pregnancies before and after the wildfires, mean birth weight decreased by 41.4 g (95% confidence interval [CI], -72.4 to -10.4) after wildfire exposure during the first trimester, 23.2 g (95% CI, -59.3 to 13.0) for exposure during the second trimester, and 27.0 g (95% CI, -63.8 to 9.8) during the third trimester. In the adjusted model for infants exposed in utero during any trimester, the mean birth weight decreased by 32.5 g (95% CI, -53.2 to -11.7).
CONCLUSIONS
We observed a 1% reduction in birth weight after wildfire exposure. Thus, exposure to by-products generated during a wildfire disaster during pregnancy may slow fetal growth and cause developmental delays.
9.Endoscopist-Driven Sedation Practices in South Korea:Re-evaluation Considering the Nationwide Survey in 2019
Seon-Young PARK ; Jun Kyu LEE ; Chang-Hwan PARK ; Byung-Wook KIM ; Chang Kyun LEE ; Hong Jun PARK ; Byung Ik JANG ; Dong Uk KIM ; Jin Myung PARK ; Jae Min LEE ; Young Sin CHO ; Hyung Ku CHON ; Seung Young SEO ; Woo Hyun PAIK ; The Committees of Quality Management and Conscious Sedation of Korean Society of Gastrointestinal En
Gut and Liver 2022;16(6):899-906
Background/Aims:
This study aimed to determine changes in endoscopist-driven sedation practices 5 years after the first nationwide survey in 2014 by the Korean Society of Gastrointestinal Endoscopy (KSGE).
Methods:
A 59-item survey covering current practices was electronically mailed to all members of the KSGE in 2019.
Results:
In total, 955 (12.8%) out of 7,486 questionnaires were returned. A total of 738 (77.7%) out of 955 respondents attended dedicated sedation education programs. The American Society of Anesthesiologists class was recorded by 464 (51.2%) out of 907 respondents. The recording rate was higher in respondents who completed sedation education (p=0.014) and worked in general or tertiary hospitals (p<0.001). Compared to that reported in the previous survey, the reported use of propofol was higher in 2019. The respondents had higher satisfaction scores for propofol-based sedation compared with midazolam monotherapy (p<0.001). The rates of oxygen supplementation (p<0.001) and oxygen saturation level monitoring (p<0.001) during sedative endoscopy were higher in 2019 than in the previous survey. A total of 876 (98.4%) out of 890 respondents reported a separate recovery bay, and 615 (70.5%) out of 872 respondents reported that personnel were assigned solely to the recovery bay.
Conclusions
Endoscopist-driven sedation and monitoring practices in 2019 were significantly different than those in 2014. The respondents favored propofol-based sedation and utilized oxygen supplementation and monitoring of O2 saturation more frequently in 2019 than in 2014.
10.Trapping of Methylglyoxal by Sieboldin from Malus baccata L. and Identification of Sieboldin-Methylglyoxal Adducts Forms
Ji Hoon KIM ; Kaixuan ZHANG ; Juhee LEE ; En Mei GAO ; Yun Jung LEE ; Rak Ho SON ; Ahmed Shah SYED ; Chul Young KIM
Natural Product Sciences 2021;27(4):245-250
The methylglyoxal (MGO) trapping constituents from Malus baccata L. were investigated using incubation of MGO and crude extract under physiological conditions followed by HPLC analysis. The peak areas of MGO trapping compounds decreased, and their chemical structures were identified by HPLC-ESI/MS. Sieboldin was identified as a major active molecule representing MGO-trapping activity of the crude extract. After reaction of sieboldin and MGO, remaining MGO was calculated by microplate assay method using imine (Schiff base) formation of 2,4-dinitrophenylhydrazine (DNPH) and aldehyde group. After 4 h incubation, sieboldin trapped over 43.8% MGO at a concentration of 0.33 mM and showed MGO scavenging activity with an RC 50 value of 0.88 mM for the incubation of 30 min under physiological conditions. It was also confirmed that sieboldin inhibited the production of advanced glycation end products (AGE) produced by bovine serum albumins (BSA)/MGO. Additionally, MGO trapping mechanism of sieboldin was more specifically identified by 1 H-, 13 C-, 2D NMR and, confirm to be attached to the position of C-3' (or 5').

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