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Background@#This study investigated the relationship between intraoperative requirement for an inhalational anesthetic (sevoflurane) or an opioid (remifentanil) and postoperative analgesic consumption. @*Methods@#The study included 200 adult patients undergoing elective laparoscopic colectomy. In the sevoflurane group, the effect-site concentration of remifentanil was fixed at 1.0 ng/ml, while the inspiratory sevoflurane concentration was adjusted to maintain an appropriate anesthetic depth. In the remifentanil group, the end-expiratory sevoflurane concentration was fixed at 1.0 volume%, and the remifentanil concentration was adjusted. Pain scores and cumulative postoperative analgesic consumptions were evaluated at 2, 6, 24, and 48 h after surgery. @*Results@#Average end-tidal concentration of sevoflurane and effect-site concentration of remifentanil were 2.0 ± 0.4 volume% and 3.9 ± 1.4 ng/ml in the sevoflurane and remifentanil groups, respectively. Cumulative postoperative analgesic consumption at 48 h postoperatively was 55 ± 26 ml in the sevoflurane group and 57 ± 33 ml in the remifentanil group. In the remifentanil group, the postoperative cumulative analgesic consumptions at 2 and 6 h were positively correlated with intraoperative remifentanil requirements (2 h: r = 0.36, P < 0.01; 6 h: r = 0.38, P < 0.01). However, there was no significant correlation in the sevoflurane group (r = 0.04, P = 0.69). @*Conclusions@#The amount of intraoperative requirement of short acting opioid, remifentanil, is correlated with postoperative analgesic consumption within postoperative 6 h. It may be contributed by the development of acute opioid tolerance. However, intraoperative sevoflurane requirement had no effect on postoperative analgesic consumption.
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Objective@#The herbicides, glyphosate and glufosinate, are widely used in Korea. Serum ammonia levels are often elevated in glufosinate poisoning, and its concentrations have been reported to correlate with the prognosis. On the other hand, in glyphosate poisoning presence of hyperammonemia is questionable. Therefore, we conducted a study to evaluate the relationship between serum ammonia levels after consumption of the two herbicides. @*Methods@#This retrospective study was conducted based on data from a single hospital on glyphosate (Glyp) and glufosinate (Gluf) poisoned patients between 2004 and 2019. The cases of poisoning were divided into four groups according to the serum ammonia levels, namely two with normal ammonia (Glyp-N, Gluf-N) and the other two with elevated ammonia (Glyp-A, Gluf-A). We analyzed the demographics, blood test results, incidence of complications, and in-hospital mortality of the patients. We then re-classified the patients into survival and non-survival groups and evaluated the predictive factors related to mortality. @*Results@#Among a total of 601 patients, there were 265, 83, 205, and 48 patients, in the Glyp-N, Glyp-A, Gluf-N, and Gluf-A groups, respectively. There were no statistically significant differences in the demographic characteristics, blood test results, incidence of complications, or mortality between the Glyp-N and Glyp-A groups as opposed to those with glufosinate poisoning. Patients in the Gluf-A group showed a worsening of most clinical indicators, including complications and mortality compared to those in the Gluf-N group. On logistic regression analysis, age, systolic blood pressure (SBP), creatinine, and pH were significant predictors of mortality in the glyphosate group, and SBP, lactate, C-reactive protein, ingested volume, and ammonia were the predictors in the glufosinate group. @*Conclusion@#Unlike glyphosate poisoning, in the cases of glufosinate poisoning, the clinical prognosis of patients was closely related to serum ammonia.
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Background@#Lip lifting is a widely accepted and efficient surgical procedure for volumizing the upper lip to achieve a more youthful appearance. A previous study by Hwang et al. identified the lip-related ratios most preferred by Koreans: a lip height-to-width ratio (LTW) of 0.4, an upper-to-lower vermilion ratio (ULR) of 0.8, and an upper vermilion thickness-to-upper lip height ratio (VUL) of 0.5. The current study investigated whether the attractive lip ratio favored by Koreans could be obtained with central upper lip lift surgery. @*Methods@#This retrospective chart review included South Korean patients who underwent central lip lifts between 2015 and 2019 at a single center. The LTW, ULR, VUL, and columellar-labial angle were measured using the patients’ preoperative and postoperative clinical photographs. @*Results@#A total of 87 patients underwent central lip lifts. Before surgery, the mean LTW was 0.34, the mean ULR was 0.76, and the mean VUL was 0.30. After surgery, the LTW increased to an average of 0.39, the ULR increased to 0.84, and the VUL increased to 0.393. The patients’ postoperative ratio values were close to the attractive lip ratio values proposed by Hwang et al. The average columellar-labial angle decreased from 101.59° to 95.04°, and therefore did not interfere with the aesthetic relationship between the nose and lips. @*Conclusions@#The central lip lift was an efficient cosmetic technique that provided the Korean ideal shape for attractive lips.
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Cervical disc arthroplasty (CDA) has become more widespread and diverges from the conventional technique used in anterior cervical fusion for cervical degenerative disc disease. As arthroplasty has become a popular treatment option, few complications have been reported in the literature. These include subsidence, expulsion, posterior avulsion fractures, heterotopic ossification, and osteolysis. One of the critical complications is osteolysis, but current studies on this subject are limited in terms of not elucidating the incidence, etiology, and consequences. The authors present two cases, who presented with clinical signs of gradually worsening myelopathy induced by posterior vertebral body osteolysis, 2 years after CDA. Subsequently, the patient underwent posterior decompression and fusion without prosthesis removal. Postoperatively, the clinical symptoms gradually resolved, with no severe deficits. The present rare cases highlight the osteolysis that occurs after CDA, which can cause cervical myelopathy, and suggest spine surgeons to be alert to this fatal complication.
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Background@#Mycobacterium avium subspecies paratuberculosis (MAP) causes a chronic and progressive granulomatous enteritis and economic losses in dairy cattle in subclinical stages.Subclinical infection in cattle can be detected using serum MAP antibody enzyme-linked immunosorbent assay (ELISA) and fecal polymerase chain reaction (PCR) tests. @*Objectives@#To investigate the differences in blood parameters, according to the detection of MAP using serum antibody ELISA and fecal PCR tests. @*Methods@#We divided 33 subclinically infected adult cattle into three groups: seronegative and fecal-positive (SNFP, n = 5), seropositive and fecal-negative (SPFN, n = 10), and seropositive and fecal-positive (SPFP, n = 18). Hematological and serum biochemical analyses were performed. @*Results@#Although the cows were clinically healthy without any manifestations, the SNFP and SPFP groups had higher platelet counts, mean platelet volumes, plateletcrit, lactate dehydrogenase levels, lactate levels, and calcium levels but lower mean corpuscular volume concentration than the SPFN group (p 0.017). @*Conclusions@#The cows with fecal-positive MAP status had different blood parameters from those with fecal-negative MAP status, although they were subclinically infected. These findings provide new insights into understanding the mechanism of MAP infection in subclinically infected cattle.
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Sirtuins (SIRTs) belong to the nicotinamide adenine dinucleotide (NAD+)-dependent class III histone deacetylase family. They are key regulators of cellular and physiological processes, such as cell survival, senescence, differentiation, DNA damage and stress response, cellular metabolism, and aging. SIRTs also influence carcinogenesis, making them potential targets for anticancer therapeutic strategies. In this study, we investigated the anticancer properties and underlying molecular mechanisms of a novel SIRT1 inhibitor, MHY2251, in human colorectal cancer (CRC) cells. MHY2251 reduced the viability of various human CRC cell lines, especially those with wild-type TP53. MHY2251 inhibited SIRT1 activity and SIRT1/2 protein expression, while promoting p53 acetylation, which is a target of SIRT1 in HCT116 cells. MHY2251 treatment triggered apoptosis in HCT116 cells. It increased the percentage of late apoptotic cells and the sub-G1 fraction (as detected by flow cytometric analysis) and induced DNA fragmentation. In addition, MHY2251 upregulated the expression of FasL and Fas, altered the ratio of Bax/Bcl-2, downregulated the levels of pro-caspase-8, -9, and -3 proteins, and induced subsequent poly(ADP-ribose) polymerase cleavage. The induction of apoptosis by MHY2251 was related to the activation of the caspase cascade, which was significantly attenuated by pre-treatment with ZVAD-FMK, a pan-caspase inhibitor. Furthermore, MHY2251 stimulated the phosphorylation of c-Jun N-terminal kinase (JNK), and MHY2251-triggered apoptosis was blocked by pre-treatment with SP600125, a JNK inhibitor. This finding indicated the specific involvement of JNK in MHY2251-induced apoptosis. MHY2251 shows considerable potential as a therapeutic agent for targeting human CRC via the inhibition of SIRT1 and activation of JNK/p53 pathway.
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Background@#The aims of this study are to review data on 4-months age National Health Screening Program for Infants and Children (NHSPIC) using a National Health Insurance Service (NHIS) database, and to analyze the newborn hearing screening (NHS) results and related characteristics of the 4-months NHSPIC for 7 years in South Korea. @*Methods@#We analyzed a NHIS database of infants who had participated in the 4-month age NHSPIC from 2010 to 2016. According to the results of hearing questionnaires and physical examination, we analyzed the outcomes of NHS and related infantile and socioeconomic factors. @*Results@#Among 3,128,924 of total eligible infants in Korea between the year 2010 and 2016, 69.2% (2,164,621 infants) conducted 4-months age NHSPIC, and 94.4% (2,042,577 infants) of which performed hearing questionnaires regarding NHS. Among the total hearing examinees, premature infants accounted for 3.6%, infants who were hospitalized in the neonatal intensive care unit (NICU) for more than 5 days accounted for 5.6%, and infants with head and neck abnormalities were 0.6%. The NHS performing rate was 79.1% for total hearing examinees in 2010, but gradually increased to 88.9% in 2016. The NHS performing rate in 2016 was 93.4% for premature infants, 91.7% for NICU hospitalized babies. The mean referral rate was 0.6% for total hearing examinees, 1.4% for premature infants, and 2.3% for NICU hospitalized babies. When we analyzed the NHS performing rate and the referral rate according to the household income level, the NHS performing rate of infants in Medical Aid programs was the lowest as 65.6%, and the NHS performing rates in other five levels of NHIS was higher ranging between 85.1% to 86.0%. The referral rate of infants in the Medical Aid program (3.8%) was significantly higher than those of infants in other classes (1.10–1.25%). @*Conclusion@#The estimated overall NHS performing rate in Korea gradually increased and was 88.9% in 2016. The overall referral rate was low as 0.6%, and it was significantly different depending on the infant’s health condition and household income levels. We assume that our finding would help to establish policies managing hearing impaired children, and to develop the customized hearing care service programs considering the household economic levels.
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Ataxia is presented by various etiologies, including acquired, genetic and degenerative disorders. Although hereditary ataxia is suspected when typical symptom of ataxia with concurrent is identified, it is sometimes difficult to diagnose hereditary ataxia without genetic test. Clinically, next generation sequencing technology has been developed and widely used for diagnosis of hereditary disease. Hereby, we experienced cases of genetically confirmed OPA1 mutation, which are presented with various clinical manifestations including ataxic gait and decreased visual acuity.
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Objective@#This study aimed to determine the incidence, characteristics, and outcomes of out-of-hospital cardiac arrests (OHCA) and to investigate the trends for the same in Changwon city, South Korea between 2012 and 2018. @*Methods@#We analyzed a list of adult cardiac arrest cases occurring between 2012 and 2018 from the OHCA surveillance registry and the Changwon Fire Department’s emergency medical services database. The trends in the incidence and resuscitation-related characteristics were assessed using nonparametric tests for trends across ordered groups. The predictors of the primary outcome were investigated using multivariable logistic regression. The primary outcome was a good neurological outcome at hospital discharge. @*Results@#A total of 2,951 OHCAs were attended by the emergency medical services and of these, 2,834 were included in this study. Overall, the proportion of patients discharged with a good neurologic outcome was 4.7% (133/2,834). Both OHCA survival and good neurologic outcomes improved significantly over time, from 4.9% and 2.1%, respectively, in 2012 to 10.3% and 7.4% in 2018 (P<0.001). The Utstein comparator (bystander-witnessed arrests presenting with initial shockable rhythm) increased over the study period (P-for-trend<0.001). Age, response time, scene time, in-hospital cardiopulmonary resuscitation (CPR) time, witness presence, cardiac origin, and shockable rhythm were associated with good neurologic outcomes. @*Conclusion@#With the gradual increase in the proportion of patients with witnessed cardiac arrests, bystander CPR, and initial shockable rhythm, the rate of survival and a good neurologic outcome at discharge also increased annually.
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Purpose@#We evaluated the relationship between previous hysterectomy for uterine fibroids and subsequent stress urinary incontinence (SUI). @*Methods@#This study analyzed national health insurance data. The hysterectomy group (aged 40 to 59) comprised patients who underwent hysterectomy for uterine fibroids between January 1, 2011 and December 31, 2014, and the control group (aged 40 to 59) comprised patients who visited a medical facility for a checkup during the same time span. One-to-one propensity score matching was performed to balance confounders. SUI was defined as the need for SUI surgery accompanied by a diagnosis code for SUI. @*Results@#After matching, 81,373 cases (hysterectomy group) and 81,373 controls (nonhysterectomy group) were enrolled. The mean follow-up period was 7.9 years for the cases and 7.8 years for the controls. The incidence of anti-incontinence surgery was slightly but significantly higher in the cases than in the controls (2.0% vs. 1.7%, P<0.001). Compared to the control group, abdominal hysterectomy significantly increased the likelihood of anti-incontinence surgery both before (hazard ratio [HR], 1.235; 95% confidence interval [CI], 1.116–1.365) and after adjusting for confounders (HR, 1.215; 95% CI, 1.097–1.347). In contrast, laparoscopic hysterectomy, laparoscopic hysterectomy with adnexal surgery, and abdominal hysterectomy with adnexal surgery were not associated with an increased rate of anti-incontinence surgery. The significant association between abdominal hysterectomy and an elevated rate of anti-incontinence surgery persisted even after stratifying patients by age group. @*Conclusions@#Prior abdominal hysterectomy without adnexal surgery was associated with an increased incidence of subsequent anti-urinary incontinence surgery.
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Purpose@#To determine predictive factors for detecting renal parenchymal damages (RPDs) in infants with recurrent febrile urinary tract infection (fUTI). @*Methods@#From January 2015 to December 2021, 102 infants with recurrent fUTI and who underwent 99mTc-dimercaptosuccinic acid (DMSA) renal scan in our hospital were included in this study. Controls included infants with normal DMSA results performed 3 months apart from the 2nd episode of fUTI. DMSA-positive group included infants with positive DMSA results performed 3 months apart from the 2nd episode of fUTI or at the 3rd episode of fUTI. The recurrence rate, causative bacteria, renal size discrepancy of both kidneys, and laboratory findings including C-reactive protein (CRP) and spot urine sodium-to-potassium ratio (uNa/K) were compared between both groups. @*Results@#Only 3.8% of 79 infants with a 2nd episode of fUTI showed positive DMSA results. fUTI recurred more frequently within 12 months of follow-up in the DMSA-positive group than in the control group (69% vs. 13%, P=0.00). CRP values were significantly higher in the DMSA-positive group than in the control group (7.3 mg/dL vs. 3.7 mg/dL, P=0.00). Spot uNa/K were significantly lower in the DMSA-positive group than in the control group (0.6 vs. 1.1, P=0.00). @*Conclusions@#Congenital renal scar and RPDs on the DMSA scan were more frequently found in infants with recurrent fUTI than those in the control group. High CRP values and low spot uNa/K in acute infections were helpful in predicting the presence of RPD in infants with recurrent fUTI.
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Objective@#The aim of this study was to examine the incidence and outcomes of pediatric out-of-hospital cardiac arrests (OHCA) in Changwon city, South Korea. @*Methods@#From the Out-of-Hospital Cardiac Arrest Surveillance registry and the Changwon Fire Department’s Emergency Medical Services data, we obtained a list of 119 assessed pediatric OHCAs occurred between January 2012 and December 2018. We analyzed basic demographic variables, the location of cardiac arrest, witnessed status, bystander cardiopulmonary resuscitation (CPR), time variables for CPR, dispatcher-assisted CPR, initial cardiac rhythm, automated defibrillator use, and clinical outcomes at hospital discharge. @*Results@#A total of 2,954 OHCAs occurred during the study period, of which 72 were pediatric OHCAs. The rate of witnessed cardiac arrest was 30.6% (22/72), and bystander CPR was performed in 29 patients (40.3%). The rate of cardiac arrest occurring in public places was 16.7% (12/72). The rate of shockable rhythm in the initial electrocardiogram rhythm was 8.3% (6/72). Twelve patients (16.7%) survived to admission. The proportion of survivors discharged was 4.3% (3/70), and the rate of discharge with a good prognosis was 2.8% (2/70). @*Conclusion@#The incidence rate of pediatric OHCA was low in Changwon city. The survival rate was also low. Thus, studies with larger sample sizes and continuous monitoring in the community are needed.
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Purpose@#The present study was performed to investigate the effects of local complications (LC) on long-term survival and cancer recurrence in patients undergoing curative gastrectomy for gastric cancer. @*Methods@#We analyzed 2,627 patients after curative gastrectomy for gastric cancer between January 2001 and December 2006. Patients were classified into groups no complications (NC), LC, or systemic complications (SC). @*Results@#Among the 2,627 patients, 475 patients developed complications (LC group [n=374, 14.2%] and SC group [n=101, 3.9%]). The 5-year cancer-specific survival rate was significantly poorer in the LC group compared to the NC and SC groups (LC, 78.0%; NC, 85.4%; SC, 80.2%; P=0.007). The occurrence of LC was identified as a significant independent prognostic factor for overall and cancer-specific survival (hazard ratio [HR], 2.08; 95% confidence interval [CI], 1.46–2.97; P=0.001 and HR, 1.77; 95% CI, 1.12–2.81; P=0.015). The tumor recurrence rates were higher in the LC group than the in other two groups (LC, 23.5%; NC, 15.4%; SC, 15.8%; P<0.001). The occurrence of LC was an independent predictor of tumor recurrence in patients undergoing curative gastrectomy for gastric cancer (HR, 1.55; 95% CI, 1.11–2.17; P=0.011). @*Conclusion@#LC are associated with adverse long-term outcomes in patients after curative gastrectomy for advanced gastric cancer.
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Objectives@#. This study was conducted to evaluate the user satisfaction, efficacy, and safety of round window (RW) vibroplasty using the Vibrant Soundbridge (VSB) in patients with persistent mixed hearing loss after mastoidectomy. @*Methods@#. The study included 27 patients (mean age, 58.7 years; age range, 28–76 years; 11 men and 16 women) with mixed hearing loss after mastoidectomy from 15 tertiary referral centers in Korea. The VSB was implanted at the RW. The Korean translation of the Abbreviated Profile of Hearing Aid Benefit (APHAB) questionnaire and the Korean version of the International Outcome Inventory for Hearing Aids (K-IOI-HA) questionnaire were used to evaluate user satisfaction as the primary outcome. The secondary outcome measures were audiological test results and complication rates. @*Results@#. The mean scores for ease of communication (61.3% to 29.7% to 30.2%), reverberation (62.1% to 43.1% to 37.4%), and background noise (63.3% to 37.7% to 34.3%) subscales of the APHAB questionnaire significantly decreased after VSB surgery. The mean K-IOI-HA scores at 3 and 6 months after surgery were significantly higher than the mean preoperative score (18.6 to 27.2 to 28.1). The postoperative VSB-aided thresholds were significantly lower than the preoperative unaided and hearing aid (HA)-aided thresholds. There was no significant difference between preoperative unaided, preoperative HA-aided, and postoperative VSB-aided maximum phonetically balanced word-recognition scores. None of the 27 patients experienced a change in postoperative bone conduction pure tone average. One patient developed temporary facial palsy and two developed surgical wound infections. @*Conclusion@#. RW vibroplasty resulted in improved satisfaction and audiological test results in patients with mixed hearing loss after mastoidectomy, and the complication rate was tolerable.
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Objectives@#. This study evaluated the electroacoustic characteristics of smartphone-based hearing aid applications (apps). @*Methods@#. We investigated hearing aid apps based on processing delay measurements, hearing instrument testing, simulated real ear measurements, and a head-and-torso simulator. @*Results@#. Many apps exceeded the recommended level for processing delay. Hearing instrument testing showed the highest amplification characteristics and the best sound quality when a hearing aid was used, followed by the high-end apps and then the low-end apps. The simulated real ear measurements results showed that the high-end apps had a better ability to match the amplification targets than the low-end apps, but there was no consistent pattern among apps when controlling the output. Only a few apps could improve the signal-to-noise ratio in the head-and-torso simulator. @*Conclusion@#. Most of the apps showed relatively poor electroacoustic performance in comparison with hearing aids. Generalizing access to hearing care through hearing aid apps induces a wide diversity of hearing performance with no fixed standard for reliability. However, we expect their overall quality to improve over the next few years.
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A pressure ulcer is defined as localized ischemic skin or soft tissue damage resulting from disruption of the blood supply by pressure over the bony prominence. However, it is not just a wound that causes pain to individuals, but also a complex disease that causes socioeconomic losses. In 2019, total 30,983 patients with pressure ulcers were treated at medical institutions in Korea, and 76 billion Korean won (KRW) was spent on this treatment. Inpatient care cost amounted to 65.5 billion KRW, whereas outpatient care cost amounted to 9.8 billion KRW. The average hospitalization cost per patient was 6,696,605 KRW, and the average hospitalization period was 57.4 days, averaging 116,707 KRW per patient per day. The average outpatient care cost per patient was 421,134 KRW, and the average period in the clinic was 8.9 days, calculated at 47,428 KRW per day. The development of pressure ulcers inevitably causes socioeconomic losses and puts strain on limited medical resources; therefore, the best socioeconomic solution is prevention. Prevention has been shown to be much more efficient in cost-effective studies on treatment and prevention. Therefore, investment of more resources to prevent the development of pressure ulcers is the best solution to reduce the related socioeconomic burden.
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Purpose@#With advances in surgical techniques, reduced-port laparoscopic surgery is increasingly being performed for the treatment of gastric carcinoma. Many studies have reported satisfactory short-term outcomes after reduced 3-port laparoscopic gastrectomy (LG). The aim of this study was to investigate the long-term oncological outcomes of 3-port LG in patients with gastric carcinoma. @*Materials and Methods@#We reviewed the medical records of 1,117 patients who underwent LG for gastric carcinoma in three major institutions between 2012 and 2015. The data showed that 460 patients underwent 3-port LG without assistance, and 657 underwent conventional 5-port LG. We compared the overall and disease-free survival rates between the 2 groups. @*Results@#There were 642 male and 475 female patients with a mean age of 56.1 years.Among them, 1,028 (92.0%) underwent distal gastrectomy and 89 (8.0%) underwent total gastrectomy. In the final pathologic examination, 1,027 patients (91.9%) were stage I, 73 (6.5%) were stage II, and 17 (1.5%) were stage III, and there were no significant difference in the pathologic stage between groups. The 3- and 5-port LG groups showed no significant differences in the 5-year overall survival (94.3% vs. 96.7%, P=0.138) or disease-free survival (94.3% vs. 95.9%, P=0.231). Stratified analyses according to pT and pN stages also showed no significant differences in overall or disease-free survival between the two groups. @*Conclusions@#Long-term survival after 3- and 5-port LG was comparable in patients with early-stage gastric carcinoma. The 3-port technique requiring limited surgical assistance may be an appropriate surgical option for this patient population.
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Purpose@#Glyphosate herbicide (GH) is a widely used herbicide and has been associated with significant mortality as poisoned cases increases. One of the reasons for high toxicity is thought to be toxic effect of its ingredient with glyphosate. This study was designed to determine differences in the clinical course with the salt-type contained in GH. @*Methods@#This was a retrospective study conducted at a single hospital between January 2013 and December 2017. We enrolled GH-poisoned patients visited the emergency department. According to salt-type, patients were divided into 4 groups: isopropylamine (IPA), ammonium (Am), potassium (Po), and mixed salts (Mi) groups. The demographics, laboratory variables, complications, and their mortality were analyzed to determine clinical differences associated with each salt-type. Addtionally, we subdivided patients into survivor and non-survivor groups for investigating predictive factors for the mortality. @*Results@#Total of 348 GH-poisoned patients were divided as follows: IPA 248, Am 41, Po 10, and Mi 49 patients. There was no difference in demographic or underlying disease history, but systolic blood pressure (SBP) was low in Po group. The ratio of intentional ingestion was higher in Po and Mi groups. Metabolic acidosis and relatively high lactate level were presented in Po group.As the primary outcome, the mortality rates were as follows: IPA, 26 (10.5%); Am, 2 (4.9%); Po, 1 (10%); and Mi, 1 (2%). There was no statistically significant difference in the mortality and the incidence of complications. Additionally, age, low SBP, low pH, corrected QT (QTc) prolongation, and respiratory failure requiring mechanical ventilation were analyzed as independent predictors for mortality in a regression analysis. @*Conclusion@#There was no statistical difference in their complications and the mortality across the GH-salt groups in this study.
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Purpose@#Splenectomy for patients with remnant gastric cancer has been controversial. The purpose of this study is to identify the impact of splenectomy in the treatment of remnant gastric cancer. @*Methods@#We retrospectively analyzed 285 patients with remnant gastric cancer who underwent completion total gastrectomy with or without splenectomy in Samsung Medical Center, between September 1996 and December 2017. We used a 1:1 propensity score matching method for the analysis. The matching factors were age, sex, and pathologic stage. After the matching process, we compared the 5-year overall survival (OS) and the disease-free survival (DFS) between patients with and without splenectomy during completion total gastrectomy. @*Results@#The median duration of follow-up was 58.0 months (range, 0–132 months). After propensity score matching, there were no statistically significant differences between the splenectomy group (n = 77) and no splenectomy group (n = 77) in terms of clinicopathological features. The 5-year OS rate between the no splenectomy and splenectomy group were not significantly different. There was no significant difference between 5-year DFS of the matched groups. Multivariate analysis revealed that splenectomy is not a significant prognostic factor in terms of 5-year OS (no splenectomy vs. splenectomy; 61.5% vs. 60.2%, P = 0.884) or DFS (74.9% vs. 69.8%, P = 0.880). @*Conclusion@#Splenectomy has no impact on the OS and DFS in patients with remnant gastric cancer. Splenectomy during completion total gastrectomy may not be necessary.
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Purpose@#We investigated the relationship between lower urinary tract symptoms (LUTS)/benign prostatic hyperplasia (BPH) and chronic periodontitis (CP). @*Methods@#A total of 103 middle-aged men who had received a health checkup were included. All participant data were prospectively collected. CP was defined as a 30% increase in the number of probed sites with a clinical attachment level of ≥4 mm among all probed sites. LUTS/BPH were assessed using transrectal ultrasonography, the International Prostate Symptom Score (IPSS), uroflowmetry, and postvoiding residual urine volume. @*Results@#The median age, IPSS, prostate volume, and maximal flow rate were 55.0 years, 9.0, 29.0 mL, and 20.0 mL/sec, respectively. In addition, the prevalence of CP was 27.2%. The IPSS total, IPSS voiding, IPSS storage, and quality of life (QoL) scores were significantly higher in patients with CP (median [interquartile range, IQR]–IPSS total: 8.0 [5.0–13.5] vs. 12.0 [7.5–20.5], P=0.004; IPSS voiding: 5.0 [2.0–9.0] vs. 8.5 [4.0–15.0], P=0.002; IPSS storage: 3.0 [2.0–5.0] vs. 4.0 [3.0–6.0], P=0.021; QoL: 2.0 [1.0–3.0] vs. 3.0 [2.0–4.0], P=0.015). Additionally, the average flow rate was significantly lower in patients with CP (median [IQR] (mL/sec): 9.0 [8.0–13.0] vs. 8.0 [6.0–11.0], P=0.047). After adjustment for age, testosterone level, prostate volume, glucose level, cholesterol level, and waist circumference, the IPSS total and voiding scores were significantly and positively related to CP (IPSS total: odds ratio [OR], 1.141; 95% confidence interval [CI], 1.045–1.245; P=0.003; IPSS voiding: OR, 1.243; 95% CI, 1.092–1.415; P=0.001). @*Conclusions@#Our data suggest that LUTS/BPH is significantly related to CP.