Prognosis of Implant-Based Breast Reconstruction After Mastectomy Flap Necrosis: Predictors of Failure and Salvage.

Background: In the realm of implant-based breast reconstruction, mastectomy flap necrosis (MFN) is a prevalent yet grave complication that poses a threat to the stability of the inserted prosthesis. Although numerous investigations have scrutinized the risk factors for MFN development, few have delved into the aftermath, specifically implant failure or salvage. This study seeks to appraise the prognosis of the implanted prosthesis following MFN occurrence, as well as identify predictors of such outcomes.

Factors associated with post-traumatic stress symptoms in healthcare providers after performance of cardiopulmonary resuscitation: a mixed-methods study.

The experience of performing cardiopulmonary resuscitation (CPR) can cause post-traumatic stress symptoms that negatively impact healthcare providers and reduced their clinical competency. This two-phase mixed-methods was conducted to investigate the factors that cause post-traumatic disorder (PTSD) in healthcare providers who perform CPR. Phase 1 included a survey with a trauma screening questionnaire (TSQ).

Adjusting on-scene CPR duration based on transport time interval in out-of-hospital cardiac arrest: a nationwide multicenter study.

The optimal duration of on-scene cardiopulmonary resuscitation (CPR) for out-of-hospital cardiac arrest (OHCA) patients remains uncertain. Determining this critical time period requires outweighing the potential risks associated with intra-arrest transport while minimizing delays in accessing definitive hospital-based treatments. This study evaluated the association between on-scene CPR duration and 30-day neurologically favorable survival based on the transport time interval (TTI) in patients with OHCA.

Cardiovascular disease risk in Korean patients with systemic lupus erythematosus compared to diabetes mellitus and the general population.

To evaluate the incidence and risk of cardiovascular disease (CVD) among Korean patients with systemic lupus erythematosus (SLE) comparing them to diabetes patients and the general population. This nationwide cohort study focused on incident SLE patients aged over 40 years, matched with diabetes patients and the general population (1:4:4 ratio). CVD was defined as ischaemic heart disease, ischaemic stroke, and cardiac arrest.

The incidence of Popeye Deformity after Soft Tissue Biceps Tenodesis is Comparable to Biceps Anchor Tenodesis and Lower than Biceps Tenotomy During Arthroscopic Rotator Cuff Repair.

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Machine learning prediction of in-hospital mortality and external validation in patients with cardiogenic shock: the RESCUE score.

Introduction And Objectives: Despite advances in mechanical circulatory support, mortality rates in cardiogenic shock (CS) remain high. A reliable risk stratification system could serve as a valuable guide in the clinical management of patients with CS. This study aimed to develop and externally validate a risk prediction model for in-hospital mortality in CS patients using machine learning (ML) algorithms.

Job loss and reemployment of newly diagnosed people with epilepsy: A nationwide cohort study.

Objective: Epilepsy has negative socioeconomic impacts on those affected, resulting not only from actual disability but also from social stigma. However, longitudinal studies examining occupational consequences following an epilepsy diagnosis are limited. We aimed to investigate the occupational outcomes of newly diagnosed epilepsy among Korean employees.

Preference for On-Demand Fexuprazan Therapy in Gastroesophageal Reflux Disease: A Prospective Cohort Study.

Maintenance therapy is crucial in managing and preventing symptom relapse in gastroesophageal reflux disease (GERD), with continuous and on-demand therapy being the common approaches. However, maintenance therapy using potassium-competitive acid blockers (P-CABs), such as fexuprazan, remains incompletely evaluated. This single-center, single-arm, prospective cohort study enrolled individuals with weekly heartburn or acid regurgitation and confirmed erosive esophagitis.

High-Throughput Chemotherapeutic Drug Screening System for Gastric Cancer (Cure-GA).

Background: Three dimensional (3D) cell cultures can be effectively used for drug discovery and development but there are still challenges in their general application to high-throughput screening. In this study, we developed a novel high-throughput chemotherapeutic 3D drug screening system for gastric cancer, named 'Cure-GA', to discover clinically applicable anticancer drugs and predict therapeutic responses.

Methods: Primary cancer cells were isolated from 143 fresh surgical specimens by enzymatic treatment.

Bridging Experience and Practice: A Grounded Theory Study of Nurses' Hospitalisation Experiences as Patients or Family Members.

Aims: This study aimed to develop a grounded theory that explains how nurses' experiences as patients or family members influence their provision of patient-centred care.

Design: A grounded theory approach.

Methods: Twenty clinical nurses in South Korea participated; nine had experiences as patients and 11 as family members during hospitalisation.

Cancer incidence and the influence of immunosuppressive agents in Korean patients with systemic lupus erythematosus: a retrospective cohort study.

Background: To investigate cancer incidence and the potential influence of immunosuppressive agents in Korean systemic lupus erythematosus (SLE) patients.

Methods: We conducted a retrospective analysis utilizing data from the Korea Healthcare Bigdata Linked Platform, which integrated the National Central Cancer Registry and National Health Insurance Service databases covering the period 2008-2017. Incidence rates (IRs) per 10,000 person-years (PYs) for site-specific cancers of SLE patients were calculated using ICD-O-3 codes.

An optimal protective ventilation strategy in lung resection surgery: a prospective, single-center, three-arm randomized controlled trial.

Protective ventilation reduces ventilator-induced acute lung injury postoperatively; however, the optimal strategy for one-lung ventilation (OLV) remains unclear. This study compared three protective ventilation strategies with a postoperative partial pressure of oxygen (PaO)/fraction of inspired oxygen (FiO) ratio to reduce the incidence of immediate postoperative pulmonary complications (PPCs) in patients undergoing lung resection surgery. Eighty-seven patients with ASA physical status I-III requiring OLV for lung resection surgery were randomized into three groups according to the applied ventilation strategies: low tidal volume (V) of 4 mL/kg of predicted body weight (PBW) (LV group), medium V of 6 mL/kg of PBW (MV group), and high V of 8 mL/kg of PBW (HV group).

Performance of the automated digital cell image analyzer UIMD PBIA in white blood cell classification: a comparative study with sysmex DI-60.

Objectives: This study aimed to evaluate the performance of PBIA (UIMD, Seoul, Republic of Korea), an automated digital morphology analyzer using deep learning, for white blood cell (WBC) classification in peripheral blood smears and compare it with the widely used DI-60 (Sysmex, Kobe, Japan).

Methods: A total of 461 slides were analyzed using PBIA and DI-60. For each instrument, pre-classification performance was evaluated on the basis of post-classification results verified by users.

Risk Factors for Progressive Disease After Immune Checkpoint Inhibitor Therapy in Head and Neck Squamous Cell Carcinoma.

Background: This study analyzed the clinical features of patients with recurrent or metastatic (R/M) head and neck squamous cell carcinoma (HNSCC), who developed progressive disease (PD) after immune checkpoint inhibitor (ICI) therapy.

Methods: We retrospectively analyzed 256 patients with R/M HNSCC treated with ICIs at 11 medical centers. Associations between the treatment outcomes-best response, overall survival, and progression-free survival-and various clinical factors were analyzed.

NKX6.3 modulation of mitotic dynamics and genomic stability in gastric carcinogenesis.

Background: Gastric cancer remains a significant global health challenge, characterized by poor prognosis and high mortality rates. Mitotic integrity and genomic stability are crucial in maintaining cellular homeostasis and preventing tumorigenesis. The transcription factor NKX6.

Evolving trends in the prevalence and treatment of ankylosing spondylitis in Korea from 2010 to 2023: a population-based study.

Ankylosing spondylitis (AS) is a chronic inflammatory disease affecting the axial skeleton, resulting in severe pain, decreased mobility, and irreversible structural damage. This study explores the evolving prevalence, patient demographics, and treatment trends for AS in the Korean population from 2010 to 2023, alongside advancements in targeted therapies. This population-based study utilized data from the National Health Insurance Database covering 2010 to 2023.

Acute kidney injury after non-cardiac major surgery: has it reduced?

Background: It remains unclear whether the incidence of post-operative acute kidney injury (PO-AKI) has been reduced despite the recent emphasis on its early recognition and prevention in clinical practice. We aimed to investigate the trend in the incidence of PO-AKI and to identify the associated factors affecting its changes.

Methods: We gathered clinical data from patients who underwent non-cardiac major surgeries at three referral hospitals from 2005 to 2020.

Switching to Besifovir in Patients with Chronic Hepatitis B Receiving Tenofovir Disoproxil Fumarate: A Randomized Trial.

Background/aims: Besifovir (BSV) showed comparable antiviral activity superior safety profiles to tenofovir disoproxil fumarate (TDF) in treatment-naïve chronic hepatitis B (CHB). However, no data are available regarding the antiviral efficacy and safety of BSV in patients with CHB who switched from long-term TDF to BSV. This study aimed to evaluate the outcome of a 48-week BSV therapy in patients with CHB who switched from long-term TDF treatment.

Cost burden of productivity loss due to sickness presenteeism among nurses in South Korea: A cross-sectional study.

Aim: This study aimed to estimate the annual cost burden of productivity loss due to sickness presenteeism among hospital nurses in South Korea.

Background: Despite nurses being potentially more vulnerable to presenteeism, few studies have analyzed nurses' productivity losses due to sickness presenteeism.

Methods: This cross-sectional study employed an online survey in January 2023 with 607 nurses working in general/tertiary hospitals in South Korea.

Attitudes and digital health literacy mediate the relationship of digital information accessibility with intention for digital healthcare service use in patients with multiple myeloma: A cross-sectional study.

Purpose: This study aimed to investigate the serial mediating effects of attitudes toward digital healthcare services (ATDH) and digital health literacy (DHL) on the relationship between accessibility of digital information (ADI) and intention to use digital healthcare services (IUDH) among patients with multiple myeloma (MM).

Methods: A cross-sectional questionnaire-based survey was conducted with patients with MM under outpatient follow-up at the cancer center of a university-affiliated hospital in South Korea. Data were collected between September and December 2023 from a convenience sample of 139 patients.

KLASS (Korean Laparoendoscopic Gastrointestinal Surgery Study Group) trials: a 20-year great journey in advancing surgical clinical research for gastric cancer.

The Korean Laparoendoscopic Gastrointestinal Surgery Study Group (KLASS) trial series represents a comprehensive body of surgical clinical trials and studies focused on laparoscopic techniques in the treatment of gastric cancer. These trials, conducted and overseen by the KLASS, began with KLASS 01 in 2006 and have progressed to their 14th series as of December 2024. To date, approximately 36 papers, including pivotal publications, have been featured in high-impact journals, significantly advancing the field of gastric cancer treatment.

Korean Gastric Cancer Association-Led Nationwide Survey on Surgically Treated Gastric Cancers in 2023.

Purpose: Since 1995, the Korean Gastric Cancer Association (KGCA) has been periodically conducting nationwide surveys on patients with surgically treated gastric cancer. This study details the results of the survey conducted in 2023.

Materials And Methods: The survey was conducted from March to December 2024 using a standardized case report form.

Subcytotoxic transepidermal delivery using low intensity cold atmospheric plasma.

Cold atmospheric plasma (CAP) has been utilized in various medical devices using its oxidative nature. Recent studies have provided evidence that CAP can facilitate the delivery of large, hydrophilic molecules through the epidermis to the dermis. On the other hand, a new approach called low-intensity CAP (LICAP) has been developed, allowing the plasma level to be controlled within a subtoxic range, thereby demonstrating various biological benefits without tissue damage.

The impact of body mass index on mortality according to age in hemodialysis patients: an analysis of the Korean Renal Data System.

The impact of age on the relationship between body mass index (BMI) and all-cause mortality in hemodialysis (HD) patients is not clearly understood. We analyzed the association between BMI and all-cause mortality, stratified by age, in patients undergoing HD using data from the Korean Renal Data System (KORDS). We analyzed 66,129 HD patients from the 2023 KORDS database, with data collected between 2001 and 2022.

Risk of Osteoporotic Fractures among Patients with Thyroid Cancer: A Nationwide Population-Based Cohort Study.

Background: The associations between thyroid cancer and skeletal outcomes have not been thoroughly investigated. We aimed to investigate the risk of osteoporotic fractures in patients with thyroid cancer compared to that in a matched control group.

Methods: This retrospective cohort study included 2,514 patients with thyroid cancer and 75,420 matched controls from the Korean National Health Insurance Service-National Sample Cohort (NHIS-NSC, 2006-2019).