This column is a roundtable discussion featuring three U40 members who have been extensively involved in the organization and planning of hands-on training, along with Mr. Park, the CEO of EBM Corporation. The four participants discuss hands-on training in the field of cardiovascular surgery. Drawing on their experiences with programs such as the Cardiovascular Surgery Summer School, Basic Lecture Course (BLC), Online BLC, Advanced Lecture Course (ALC), and the coronary anastomosis competition “Challengers' Live Demonstrations,” they explore the essence of hands-on training, current challenges, and future prospects in this field.

Along with clinical practice and education, research is among the most important activities for medical doctors. The same is true in cardiovascular surgery: Young cardiovascular surgeons are expected to improve their surgical techniques and prioritize their clinical practice. However, their perspective on the role of research in their field of expertise is unknown. Therefore, we conducted a survey of and discussion with young cardiovascular surgeons to clarify their thoughts and concerns about performing research. Here we review and report the survey and discussion results.

The importance of off the job training in surgical education are widely recognized. The Japanese Board of Cardiovascular Surgery has required a board candidate to do at least 30 hours of off the job training from 2017. U-40 Basic Lecture Course are held annually for young cardiovascular surgeon to learn about basic surgical skills. U-40 Advanced Lecture Course was started to provide opportunity to have more advanced hands-on lecture for young cardiovascular surgeon. However, after the COVID-19 pandemic, the opportunity to hold hands-on seminars are highly limited. In such circumstances, we held a hybrid hands-on seminar. We report details about the hybrid hands-on seminar.

We conducted a questionnaire survey on shift and on-call system targeting under-forty cardiovascular surgeons and obtained responses from 35 surgeons. We report the questionnaire results.

OBJECTIVE: The aim of this study was to investigate the clinical characteristics of young patients with stage I clear-cell carcinoma (CCC) and evaluate the prognostic factors and effects of fertility-sparing surgery (FSS) using propensity score (PS) adjustment. METHODS: We conducted a regional multi-institutional study between 1986 and 2017. Among 4,277 patients with ovarian tumor, clinical and pathological data of 103 fertile women with stage I unilateral CCC were collected. We evaluated survival and reproductive outcomes in these patients. Additionally, to analyze the effects of FSS, baseline imbalance between patients with and those without FSS was adjusted with an inverse probability of treatment weighting using PSs involving independent clinical variables. RESULTS: The mean patient age was 39.4 years, and the median follow-up period for surviving patients was 55.6 months. In multivariate analysis, stage IC2/IC3 (vs. IA/IC1) was the only independent prognostic factor for recurrence-free survival (RFS) and overall survival (OS). FSS was not associated with poorer prognosis when compared to the prognosis with non-preserving surgery with regard to both RFS and OS. No statistical difference in survival outcomes between FSS and other approaches was confirmed after PS adjustment. Among patients who underwent FSS, four deliveries with healthy neonates were noted without any gestational complications. CONCLUSION: FSS can be considered in stage I CCC, specifically in stage IA and IC1 patients who strongly desire to have children in the future. Further clinical research is needed to clarify the optimal application of FSS for CCC.
Adenocarcinoma, Clear Cell ; Child ; Female ; Fertility Preservation ; Follow-Up Studies ; Humans ; Infant, Newborn ; Multivariate Analysis ; Ovarian Neoplasms ; Pregnancy ; Prognosis ; Propensity Score

Basic procedures that cardiovascular surgeons routinely perform are rarely discussed, despite the great variability among facilities. We conducted a questionnaire survey on Extracorporeal Membrane Oxygenation (ECMO) targeting under-forty cardiovascular surgeons and obtained responses from 53 surgeons. We report the questionnaire results.

Hypoxia, defined as a decrease of tissue oxygen levels, represents a fundamental pathophysiological condition in the microenvironment of solid tumors. Tumor hypoxia is known to be associated with radio/chemo-resistance and metastasis that eventually lead to cancer progression contributing to poor prognosis in cancer patients. Among transcription factors that accumulated under hypoxic conditions, hypoxia-inducible factor-1 (HIF-1) is a master transcription factor that has received the most intense attention in this field of research due to its capacity to modulate several hundred genes. With a clearer understanding of the HIF-1 pathway, efforts are directed at manipulation of this complex genetic process in order to ultimately decrease cellular HIF-1 levels. Some novel agents have been shown to have HIF-1 inhibition activity through a variety of molecular mechanisms and have provided promising results in the preclinical setting.
Anoxia ; Genetic Processes ; Humans ; Neoplasm Metastasis ; Oxygen ; Prognosis ; Transcription Factors

Hypoxia, defined as a decrease of tissue oxygen levels, represents a fundamental pathophysiological condition in the microenvironment of solid tumors. Tumor hypoxia is known to be associated with radio/chemo-resistance and metastasis that eventually lead to cancer progression contributing to poor prognosis in cancer patients. Among transcription factors that accumulated under hypoxic conditions, hypoxia-inducible factor-1 (HIF-1) is a master transcription factor that has received the most intense attention in this field of research due to its capacity to modulate several hundred genes. With a clearer understanding of the HIF-1 pathway, efforts are directed at manipulation of this complex genetic process in order to ultimately decrease cellular HIF-1 levels. Some novel agents have been shown to have HIF-1 inhibition activity through a variety of molecular mechanisms and have provided promising results in the preclinical setting.
Anoxia ; Genetic Processes ; Humans ; Neoplasm Metastasis ; Oxygen ; Prognosis ; Transcription Factors

Purpose: The objective of this study was to investigate whether body fat rate (BFR) and triceps skinfold thickness (TSF) are associated with estimated fentanyl absorption in patients treated with the fentanyl transdermal matrix patch for moderate to severe cancer pain, by measuring the residual content of fentanyl in used matrix patches. Methods: Adult Japanese inpatients experiencing chronic cancer-related pain and receiving treatment for the first time with a transdermal fentanyl matrix patch (Durotep®MT patch) were included in the present study. During the initial application period, BFR was measured using a body fat scale, and TSF was measured by an experienced nurse with an adipometer. One patch was collected from each patient. The residual fentanyl content in used matrix patch was determined by high-performance liquid chromatography. The transdermal fentanyl delivery efficiency was estimated based on the fentanyl content of the used matrix patches. Results: Fifteen adult patients (5 males and 10 females) were included in this study. Nine patches with a release rate of 12.5μg/h and 6 patches with a release rate of 25μg/h were collected. The application site was the chest or upper arm. BFR and TSF both showed a significant positive correlation with delivery efficiency. Conclusion: In malnourished or low-body fat patients receiving DMP, pain intensity should be more carefully monitored, and fentanyl dose adjustment may be required. Additional parameters, such as nutritional status including body fat change, the degree of dry skin, and plasma fentanyl concentration, also require detailed evaluation. Palliat Care Res 2010; 5(2): 206-212

BACKGROUND: The existence of a gap between research evidence and clinical practice has been described recently. Several drugs are effective in preventing secondary events after acute myocardial infarction (AMI), but it is not certain whether this evidence is employed in daily practice. We investigated the drugs currently employed for patients with a history of AMI in Japan.
METHODS: Medical records of patients who developed AMI during the calendar year of 1999 were retrospectively identified at three teaching hospitals in Japan. We collected data on drugs prescribed at three time points (upon admission for AMI, at the time of discharge, and one year after discharge) for each patient.
RESULTS: Data were available for 149 patients with AM!. Drugs prescribed at the time of discharge were aspirin (77.5%), nitrates (68.3%), and angiotensin converting enzyme inhibitors (52.8%) . β-blockers were prescribed for only 12.0% of patients. The drugs used one year after discharge were to a large extent similar to those at the time of discharge. There were no significant correlations between the use of these drugs and comorbidity.
CONCLUSION: Despite established evidence that β-blockers offer benefits to patients with a history of AMI, they have not been prescribed frequently, for reasons that remain unclear. To improve the quality of clinical care, further systematic effort is needed to bridge this evidence to practice gap.