1.Two-port laparoscopic placement of a peritoneal dialysis catheter using guideline-based trans-rectus insertion, rectus sheath tunneling, and a dedicated exit site: a technical note
Ichiro TAMAKI ; Tatsuki KUSUHARA ; Yusuke FUKUI ; Yoshikuni YONENAGA ; Takashi NITTA
Journal of Minimally Invasive Surgery 2026;29(2):102-106
We describe a simple modification of the two-port laparoscopic technique for peritoneal dialysis (PD) catheter placement incorporating guideline-recommended trans-rectus insertion and dedicated exit-site design. A 5-mm trocar is inserted through a small trans-rectus incision using an open (Hasson) technique and subsequently serves as the final catheter insertion site.After placement of the first port, a second 5-mm port is safely inserted at the planned superficial cuff site under laparoscopic guidance and subsequently serves as the camera port for the remainder of the procedure. After laparoscopic inspection, the PD catheter is introduced along an oblique trans-rectus pathway to enhance catheter stability, and the superficial cuff is secured at the port site. The catheter is then directed through a subcutaneous tunnel and exteriorized through a small exit site. This modification provides a simple and reproducible option for PD catheter placement.
2.Impact of TTF-1 Expression on the Prognostic Prediction of Patients with Non–Small Cell Lung Cancer with PD-L1 Expression Levels of 1% to 49%, Treated with Chemotherapy vs. Chemoimmunotherapy: A Multicenter, Retrospective Study
Naoya NISHIOKA ; Tae HATA ; Tadaaki YAMADA ; Yasuhiro GOTO ; Akihiko AMANO ; Yoshiki NEGI ; Satoshi WATANABE ; Naoki FURUYA ; Tomohiro OBA ; Tatsuki IKOMA ; Akira NAKAO ; Keiko TANIMURA ; Hirokazu TANIGUCHI ; Akihiro YOSHIMURA ; Tomoya FUKUI ; Daiki MURATA ; Kyoichi KAIRA ; Shinsuke SHIOTSU ; Makoto HIBINO ; Asuka OKADA ; Yusuke CHIHARA ; Hayato KAWACHI ; Takashi KIJIMA ; Koichi TAKAYAMA
Cancer Research and Treatment 2025;57(2):412-421
Purpose:
Thyroid transcription factor 1 (TTF-1) expression is a useful predictor of treatment efficacy in advanced non-squamous non–small cell lung cancer (NSCLC). This study aimed to evaluate whether TTF-1 could predict the effectiveness of chemotherapy versus chemoimmunotherapy in patients with non-squamous NSCLC with programmed death ligand-1 (PD-L1) expression between 1% and 49%.
Materials and Methods:
We conducted a retrospective study of patients with NSCLC who were treated with chemotherapy or chemoimmunotherapy between March 2016 and May 2023. The patients had histologically confirmed NSCLC, stage III-IV or postoperative recurrence, TTF-1 measurements, and PD-L1 expression levels between 1% and 49%. Clinical data were analyzed to evaluate the effect of TTF-1 expression on treatment efficacy.
Results:
This study included 283 of 624 patients. TTF-1–positive patients showed longer progression-free survival (PFS) and overall survival (OS) (PFS: 6.4 months [95% confidence interval (CI), 5.0 to 9.4] vs. 4.1 months [95% CI, 2.7 to 6.1], p=0.03; OS: 17.9 months [95% CI, 15.2 to 28.1] vs. 9.4 months [95% CI, 6.3 to 17.0], p < 0.01) in the chemotherapy cohorts (n=93). In the chemoimmunotherapy cohort (n=190), there was no significant difference in PFS and OS between TTF-1–positive and –negative groups (PFS: 7.6 months [95% CI, 6.4 to 11.0] vs. 6.0 months [95% CI, 3.6 to 12.6], p=0.59; OS: 25.0 months [95% CI, 18.0 to 49.2] vs. 21.3 months [95% CI, 9.8 to 28.8], p=0.09).
Conclusion
In patients with NSCLC with PD-L1 expression between 1% and 49%, TTF-1 expression was a predictor of chemotherapeutic, but not chemoimmunotherapeutic, efficacy.
3.Leucine-rich alpha-2 glycoprotein is useful in predicting clinical relapse in patients with Crohn’s disease during biological remission
Naohiro NAKAMURA ; Yusuke HONZAWA ; Yuka ITO ; Yasuki SANO ; Naoto YAGI ; Sanshiro KOBAYASHI ; Mamiko AOI ; Takashi TOMIYAMA ; Tomomitsu TAHARA ; Norimasa FUKATA ; Toshiro FUKUI ; Makoto NAGANUMA
Intestinal Research 2025;23(2):170-181
Background/Aims:
Serum leucine-rich alpha-2 glycoprotein (LRG) is a potential biomarker of Crohn’s disease (CD). This study aimed to evaluate the usefulness of LRG in predicting clinical relapse in patients in remission with CD.
Methods:
This retrospective observational study assessed the relationships among patient-reported outcome (PRO2), LRG, and other blood markers. The influence of LRG on clinical relapse was assessed in patients in remission with CD.
Results:
Data of 94 patients tested for LRG between January 2021 and May 2023 were collected. LRG level did not correlate with PRO2 score (ρ = 0.06); however, it strongly correlated with C-reactive protein (CRP) level (r=0.79) and serum albumin level (r=–0.70). Among 69 patients in clinical remission, relapse occurred in 22 patients (31.9%). In the context of predicting relapse, LRG showed the highest area under the curve, followed by CRP level, platelet count, and albumin level. Multivariate analysis revealed that only LRG (P= 0.02) was an independent factor for predicting clinical remission. The cumulative non-relapse rate was significantly higher in patients with LRG < 13.8 μg/mL than in patients in remission with LRG ≥ 13.8 μg/mL and normal CRP level (P= 0.002) or normal albumin level (P= 0.001). Cumulative non-relapse rate was also higher in patients with LRG < 13.8 μg/mL compared to those with LRG ≥ 13.8 μg/mL in patients with L3 or B2+B3 of Montreal calcification.
Conclusions
LRG is useful in predicting clinical relapse in patients with CD during biological remission. LRG is a useful biomarker for predicting prognosis, even in patients with intestinal stenosis, or previous/present fistulas.
4.Leucine-rich alpha-2 glycoprotein is useful in predicting clinical relapse in patients with Crohn’s disease during biological remission
Naohiro NAKAMURA ; Yusuke HONZAWA ; Yuka ITO ; Yasuki SANO ; Naoto YAGI ; Sanshiro KOBAYASHI ; Mamiko AOI ; Takashi TOMIYAMA ; Tomomitsu TAHARA ; Norimasa FUKATA ; Toshiro FUKUI ; Makoto NAGANUMA
Intestinal Research 2025;23(2):170-181
Background/Aims:
Serum leucine-rich alpha-2 glycoprotein (LRG) is a potential biomarker of Crohn’s disease (CD). This study aimed to evaluate the usefulness of LRG in predicting clinical relapse in patients in remission with CD.
Methods:
This retrospective observational study assessed the relationships among patient-reported outcome (PRO2), LRG, and other blood markers. The influence of LRG on clinical relapse was assessed in patients in remission with CD.
Results:
Data of 94 patients tested for LRG between January 2021 and May 2023 were collected. LRG level did not correlate with PRO2 score (ρ = 0.06); however, it strongly correlated with C-reactive protein (CRP) level (r=0.79) and serum albumin level (r=–0.70). Among 69 patients in clinical remission, relapse occurred in 22 patients (31.9%). In the context of predicting relapse, LRG showed the highest area under the curve, followed by CRP level, platelet count, and albumin level. Multivariate analysis revealed that only LRG (P= 0.02) was an independent factor for predicting clinical remission. The cumulative non-relapse rate was significantly higher in patients with LRG < 13.8 μg/mL than in patients in remission with LRG ≥ 13.8 μg/mL and normal CRP level (P= 0.002) or normal albumin level (P= 0.001). Cumulative non-relapse rate was also higher in patients with LRG < 13.8 μg/mL compared to those with LRG ≥ 13.8 μg/mL in patients with L3 or B2+B3 of Montreal calcification.
Conclusions
LRG is useful in predicting clinical relapse in patients with CD during biological remission. LRG is a useful biomarker for predicting prognosis, even in patients with intestinal stenosis, or previous/present fistulas.
5.Impact of TTF-1 Expression on the Prognostic Prediction of Patients with Non–Small Cell Lung Cancer with PD-L1 Expression Levels of 1% to 49%, Treated with Chemotherapy vs. Chemoimmunotherapy: A Multicenter, Retrospective Study
Naoya NISHIOKA ; Tae HATA ; Tadaaki YAMADA ; Yasuhiro GOTO ; Akihiko AMANO ; Yoshiki NEGI ; Satoshi WATANABE ; Naoki FURUYA ; Tomohiro OBA ; Tatsuki IKOMA ; Akira NAKAO ; Keiko TANIMURA ; Hirokazu TANIGUCHI ; Akihiro YOSHIMURA ; Tomoya FUKUI ; Daiki MURATA ; Kyoichi KAIRA ; Shinsuke SHIOTSU ; Makoto HIBINO ; Asuka OKADA ; Yusuke CHIHARA ; Hayato KAWACHI ; Takashi KIJIMA ; Koichi TAKAYAMA
Cancer Research and Treatment 2025;57(2):412-421
Purpose:
Thyroid transcription factor 1 (TTF-1) expression is a useful predictor of treatment efficacy in advanced non-squamous non–small cell lung cancer (NSCLC). This study aimed to evaluate whether TTF-1 could predict the effectiveness of chemotherapy versus chemoimmunotherapy in patients with non-squamous NSCLC with programmed death ligand-1 (PD-L1) expression between 1% and 49%.
Materials and Methods:
We conducted a retrospective study of patients with NSCLC who were treated with chemotherapy or chemoimmunotherapy between March 2016 and May 2023. The patients had histologically confirmed NSCLC, stage III-IV or postoperative recurrence, TTF-1 measurements, and PD-L1 expression levels between 1% and 49%. Clinical data were analyzed to evaluate the effect of TTF-1 expression on treatment efficacy.
Results:
This study included 283 of 624 patients. TTF-1–positive patients showed longer progression-free survival (PFS) and overall survival (OS) (PFS: 6.4 months [95% confidence interval (CI), 5.0 to 9.4] vs. 4.1 months [95% CI, 2.7 to 6.1], p=0.03; OS: 17.9 months [95% CI, 15.2 to 28.1] vs. 9.4 months [95% CI, 6.3 to 17.0], p < 0.01) in the chemotherapy cohorts (n=93). In the chemoimmunotherapy cohort (n=190), there was no significant difference in PFS and OS between TTF-1–positive and –negative groups (PFS: 7.6 months [95% CI, 6.4 to 11.0] vs. 6.0 months [95% CI, 3.6 to 12.6], p=0.59; OS: 25.0 months [95% CI, 18.0 to 49.2] vs. 21.3 months [95% CI, 9.8 to 28.8], p=0.09).
Conclusion
In patients with NSCLC with PD-L1 expression between 1% and 49%, TTF-1 expression was a predictor of chemotherapeutic, but not chemoimmunotherapeutic, efficacy.
6.Impact of TTF-1 Expression on the Prognostic Prediction of Patients with Non–Small Cell Lung Cancer with PD-L1 Expression Levels of 1% to 49%, Treated with Chemotherapy vs. Chemoimmunotherapy: A Multicenter, Retrospective Study
Naoya NISHIOKA ; Tae HATA ; Tadaaki YAMADA ; Yasuhiro GOTO ; Akihiko AMANO ; Yoshiki NEGI ; Satoshi WATANABE ; Naoki FURUYA ; Tomohiro OBA ; Tatsuki IKOMA ; Akira NAKAO ; Keiko TANIMURA ; Hirokazu TANIGUCHI ; Akihiro YOSHIMURA ; Tomoya FUKUI ; Daiki MURATA ; Kyoichi KAIRA ; Shinsuke SHIOTSU ; Makoto HIBINO ; Asuka OKADA ; Yusuke CHIHARA ; Hayato KAWACHI ; Takashi KIJIMA ; Koichi TAKAYAMA
Cancer Research and Treatment 2025;57(2):412-421
Purpose:
Thyroid transcription factor 1 (TTF-1) expression is a useful predictor of treatment efficacy in advanced non-squamous non–small cell lung cancer (NSCLC). This study aimed to evaluate whether TTF-1 could predict the effectiveness of chemotherapy versus chemoimmunotherapy in patients with non-squamous NSCLC with programmed death ligand-1 (PD-L1) expression between 1% and 49%.
Materials and Methods:
We conducted a retrospective study of patients with NSCLC who were treated with chemotherapy or chemoimmunotherapy between March 2016 and May 2023. The patients had histologically confirmed NSCLC, stage III-IV or postoperative recurrence, TTF-1 measurements, and PD-L1 expression levels between 1% and 49%. Clinical data were analyzed to evaluate the effect of TTF-1 expression on treatment efficacy.
Results:
This study included 283 of 624 patients. TTF-1–positive patients showed longer progression-free survival (PFS) and overall survival (OS) (PFS: 6.4 months [95% confidence interval (CI), 5.0 to 9.4] vs. 4.1 months [95% CI, 2.7 to 6.1], p=0.03; OS: 17.9 months [95% CI, 15.2 to 28.1] vs. 9.4 months [95% CI, 6.3 to 17.0], p < 0.01) in the chemotherapy cohorts (n=93). In the chemoimmunotherapy cohort (n=190), there was no significant difference in PFS and OS between TTF-1–positive and –negative groups (PFS: 7.6 months [95% CI, 6.4 to 11.0] vs. 6.0 months [95% CI, 3.6 to 12.6], p=0.59; OS: 25.0 months [95% CI, 18.0 to 49.2] vs. 21.3 months [95% CI, 9.8 to 28.8], p=0.09).
Conclusion
In patients with NSCLC with PD-L1 expression between 1% and 49%, TTF-1 expression was a predictor of chemotherapeutic, but not chemoimmunotherapeutic, efficacy.
7.Leucine-rich alpha-2 glycoprotein is useful in predicting clinical relapse in patients with Crohn’s disease during biological remission
Naohiro NAKAMURA ; Yusuke HONZAWA ; Yuka ITO ; Yasuki SANO ; Naoto YAGI ; Sanshiro KOBAYASHI ; Mamiko AOI ; Takashi TOMIYAMA ; Tomomitsu TAHARA ; Norimasa FUKATA ; Toshiro FUKUI ; Makoto NAGANUMA
Intestinal Research 2025;23(2):170-181
Background/Aims:
Serum leucine-rich alpha-2 glycoprotein (LRG) is a potential biomarker of Crohn’s disease (CD). This study aimed to evaluate the usefulness of LRG in predicting clinical relapse in patients in remission with CD.
Methods:
This retrospective observational study assessed the relationships among patient-reported outcome (PRO2), LRG, and other blood markers. The influence of LRG on clinical relapse was assessed in patients in remission with CD.
Results:
Data of 94 patients tested for LRG between January 2021 and May 2023 were collected. LRG level did not correlate with PRO2 score (ρ = 0.06); however, it strongly correlated with C-reactive protein (CRP) level (r=0.79) and serum albumin level (r=–0.70). Among 69 patients in clinical remission, relapse occurred in 22 patients (31.9%). In the context of predicting relapse, LRG showed the highest area under the curve, followed by CRP level, platelet count, and albumin level. Multivariate analysis revealed that only LRG (P= 0.02) was an independent factor for predicting clinical remission. The cumulative non-relapse rate was significantly higher in patients with LRG < 13.8 μg/mL than in patients in remission with LRG ≥ 13.8 μg/mL and normal CRP level (P= 0.002) or normal albumin level (P= 0.001). Cumulative non-relapse rate was also higher in patients with LRG < 13.8 μg/mL compared to those with LRG ≥ 13.8 μg/mL in patients with L3 or B2+B3 of Montreal calcification.
Conclusions
LRG is useful in predicting clinical relapse in patients with CD during biological remission. LRG is a useful biomarker for predicting prognosis, even in patients with intestinal stenosis, or previous/present fistulas.
8.Social and family factors as determinants of exercise habits in Japanese elementary school children: a cross-sectional study from the Super Shokuiku School Project.
Satomi SAWA ; Michikazu SEKINE ; Masaaki YAMADA ; Yugo FUKAZAWA ; Yusuke HIRAKU
Environmental Health and Preventive Medicine 2020;25(1):54-54
BACKGROUND:
Many studies have already reported on the relationship between exercise habits and health among schoolchildren. However, few have examined social and/or family factors as determinants of exercise habits.
METHODS:
This study's participants included 1721 schoolchildren aged between 6 and 13 who were involved in the Super Shokuiku School Project in January 2016. A survey was conducted to assess gender, grade level, physical activity, lifestyle, overall health, enrichment of school life, social background, and parental lifestyles. Both dislike and lack of physical activity were used to measure poor exercise habits; correlates were analyzed using logistic regression.
RESULTS:
"Lack of close friends" had the strongest links with both dislike (adjusted odds ratio [OR] 5.30; 95% confidence interval [CI], 2.78-10.1) and lack of (adjusted OR 5.40; 95% CI, 2.81-10.4) physical activity. Further, children who engaged in long periods of screen time and lacked parental communication also tended to dislike and lack physical activity. Children with mothers who were unemployed (housewives) and had unhealthy lifestyles, as well as those with poor health, were also more likely to lack physical activity.
CONCLUSION
Social and family factors (e.g., having close friends) may be determinants of exercise habits among schoolchildren, independent of their own lifestyle factors. Although a longitudinal study is needed to determine causality, substantial attention may thus be required to these factors when promoting physical activity in children.
Adolescent
;
Age Factors
;
Child
;
Cross-Sectional Studies
;
Exercise
;
psychology
;
Family Characteristics
;
Female
;
Habits
;
Humans
;
Japan
;
Life Style
;
Male
;
Sex Factors
;
Socioeconomic Factors

Result Analysis
Print
Save
E-mail