346 results match your criteria: "Ageo Central General Hospital.[Affiliation]"

The robotic liver resection (RLR) has been increasingly applied in recent years and its benefits shown in some aspects owing to the technical advancement of robotic surgical system, however, controversies still exist. Based on the foundation of the previous consensus statement, this new consensus document aimed to update clinical recommendations and provide guidance to improve the outcomes of RLR clinical practice. The guideline steering group and guideline expert group were formed by 29 international experts of liver surgery and evidence-based medicine (EBM).

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  • The study examines how the angle of coronary bifurcation (BA) affects incomplete stent apposition (ISA) after crossover stenting and side branch interventions in patients.
  • It compares two techniques: proximal optimization technique followed by short balloon dilation (POT-SBD) and the final kissing balloon technique (KBT), finding that major ISA is more common in the POT-SBD group.
  • The research concludes that a wider bifurcation angle increases the risk of major ISA after the POT, while a short bifurcation angle (less than 60°) is linked to lower rates of ISA when treated optimally.
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Background: Indocyanine green fluorescence imaging (ICG-FI) has been reported to be useful in reducing the incidence of anastomotic leakage (AL) in colectomy. This study aimed to investigate the correlation between the required time for ICG fluorescence emission and AL in left-sided colon and rectal cancer surgery using the double-stapling technique (DST) anastomosis.

Methods: This retrospective study included 217 patients with colorectal cancer who underwent left-sided colon and rectal surgery using ICG-FI-based perfusion assessment at our department between November 2018 and July 2022.

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Short-term Outcomes and Difficulty of Repeat Laparoscopic Liver Resection.

Ann Surg Open

September 2022

From the Department of Surgery, Center for Advanced Treatment of HBP Diseases, Ageo Central General Hospital, Saitama, Japan.

Objectives: To investigate the feasibility of repeat laparoscopic liver resection (Rep-LLR), including repeat anatomical resection (Rep-AR), as compared to initial-LLR (Ini-LLR).

Background: The indications of LLR have expanded to treatment of recurrent liver tumors. However, the feasibility of Rep-LLR, including Rep-AR, has not yet been adequately assessed.

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Impact of liver cirrhosis and portal hypertension on minimally invasive limited liver resection for primary liver malignancies in the posterosuperior segments: An international multicenter study.

Eur J Surg Oncol

October 2023

Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore; Surgery Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore. Electronic address:

Article Synopsis
  • The study investigates how cirrhosis and portal hypertension (PHT) affect the complexity and outcomes of minimally invasive liver surgery in specific liver segments.
  • It examines a large patient group, revealing that those with cirrhosis experienced more complications and required more blood transfusions during surgery.
  • The findings suggest that the presence of cirrhosis and PHT should be considered when evaluating the difficulties and risks associated with minimally invasive liver resections.
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  • This study aimed to compare outcomes of robotic limited liver resections (RLLR) and laparoscopic limited liver resections (LLLR) for tumors in the posterosuperior liver segments, noting that previous research had not thoroughly examined the differences in performance and safety between the two approaches.
  • An analysis of data from 3510 patients showed that RLLR had significant advantages over LLLR, including a lower rate of open conversions, reduced blood loss, and shorter operative times, even in patients with cirrhosis.
  • Despite the improved perioperative outcomes for RLLR, postoperative metrics like readmission, morbidity, and mortality rates were similar between both surgical techniques.
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  • * Results showed that patients with PH-ECG had a shorter door-to-balloon time (66 minutes) compared to those without it (70 minutes), indicating quicker treatment.
  • * Additionally, the PH-ECG group had a lower 30-day all-cause mortality rate (6%) compared to the non-PH-ECG group (16%), highlighting the importance of emergency medical services (EMS) in improving patient outcomes.
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Neuroblastoma suppressor of tumorigenicity 1 is associated with the severity of interstitial fibrosis and kidney function decline in IgA nephropathy.

J Nephrol

November 2023

Department of Internal Medicine, Division of Nephrology, Hypertension, and Endocrinology, Nihon University School of Medicine, 30-1 Oyaguchi Kami-chou, Itabashi-ku, Tokyo, 173-8610, Japan.

Introduction: Recently, circulating neuroblastoma suppressor of tumorigenicity 1 (NBL1) was shown to be strongly associated with kidney disease progression and histological lesions in patients with diabetic kidney disease. This study aimed to examine whether serum NBL1 level was also associated with kidney function and renal histological findings in patients with IgA nephropathy.

Methods: We evaluated the levels of NBL1 in 109 patients with newly diagnosed biopsy-proven primary IgAN, between 2009 and 2018, at the Nihon University School of Medicine Itabashi Hospital, Tokyo, Japan, using serum obtained immediately before the renal biopsy, and examined the relationship between serum NBL1, renal function and renal histological findings assessed using the Oxford Classification (MEST score).

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  • Nivolumab plus ipilimumab (NIVO+IPI) is the primary treatment for metastatic renal cell carcinoma (mRCC), with about 40% of patients achieving a lasting response, but 20% show primary resistance to the treatment.
  • This study analyzed data from 120 mRCC patients treated with NIVO+IPI from August 2015 to January 2023, focusing on factors linked to primary resistant disease (PRD) and patient outcomes.
  • The findings revealed that PRD was associated with significantly worse overall survival, and lymph node metastasis (LNM) was identified as an independent risk factor for developing PRD, suggesting some patients may not benefit from NIVO+IPI therapy.
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Hyperthermia is a promising approach for improving cancer treatment in combination with chemotherapy, radiotherapy and/or immunotherapy; however, its molecular mechanisms remain unclear. Although heat shock proteins (HSPs) are involved in hyperthermia via antigen presentation and immune activation, major HSPs including HSP90 are associated with cancer progression via tumor cell migration and metastasis. The present study showed that heat shock‑inducible tumor small protein (HITS) could counteract the pro‑migratory effects of HSPs in colorectal cancer (CRC) cells, which represents a novel function.

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A 79-year-old male patient presented to our hospital with chief complaints of fever, abdominal pain, and jaundice. Laboratory data revealed marked hepatobiliary enzyme and inflammatory marker elevations, and computed tomography revealed ascending colon diverticulitis, thrombophlebitis, portal vein thrombus, and intrahepatic cholangitis. Blood culture revealed the presence of Prevotella sp.

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Background: The impact of cirrhosis and portal hypertension on perioperative outcomes of minimally invasive left lateral sectionectomies remains unclear. We aimed to compare the perioperative outcomes between patients with preserved and compromised liver function (noncirrhotics versus Child-Pugh A) when undergoing minimally invasive left lateral sectionectomies. In addition, we aimed to determine if the extent of cirrhosis (Child-Pugh A versus B) and the presence of portal hypertension had a significant impact on perioperative outcomes.

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Impact of body mass index on perioperative outcomes of laparoscopic major hepatectomies.

Surgery

August 2023

Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore; Surgery Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore. Electronic address:

Background: Data on the effect of body mass index on laparoscopic liver resections are conflicting. We performed this study to investigate the association between body mass index and postoperative outcomes after laparoscopic major hepatectomies.

Methods: This is a retrospective review of 4,348 laparoscopic major hepatectomies at 58 centers between 2005 and 2021, of which 3,383 met the study inclusion criteria.

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Importance: MET inhibitors have recently demonstrated clinical activity in patients with MET exon 14 (METex14)-skipping non-small cell lung cancer (NSCLC); however, data with longer follow-up and in larger populations are needed to further optimize therapeutic approaches.

Objective: To assess the long-term efficacy and safety of tepotinib, a potent and highly selective MET inhibitor, in patients with METex14-skipping NSCLC in the VISION study.

Design, Setting, And Participants: The VISION phase 2 nonrandomized clinical trial was a multicohort, open-label, multicenter study that enrolled patients with METex14-skipping advanced/metastatic NSCLC (cohorts A and C) from September 2016 to May 2021.

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  • Despite advancements in minimally invasive liver surgery, open surgeries are still common, and this study examines the factors that lead to conversions from minimally invasive techniques to open surgery during major hepatectomies.
  • Data from 3880 surgical cases showed that 10.28% resulted in open conversions, with several risk factors identified, such as male sex, liver cirrhosis, and larger tumor sizes, which are linked to increased conversion risk.
  • The study found that those who experienced open conversions had worse outcomes, including longer operation times and higher rates of postoperative complications, although robotic surgery had a lower conversion rate compared to laparoscopic techniques, it still led to significant challenges when conversions did occur.
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In the last 15 years, the continual discovery of newly identified forms of autoimmune encephalitis (AE) associated with antibodies to the cell surface or synaptic proteins has changed the paradigms for diagnosing and treating disorders. AE is one of the most common causes of noninfectious encephalitis. It can be triggered by tumors or, infections, or it may be cryptogenic.

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Minimally invasive liver resection (MILR) is being widely utilized owing to recent advancements in laparoscopic and robot-assisted surgery. There are two main types of liver resection: anatomical (minimally invasive anatomical liver resection (MIALR)) and nonanatomical. MIALR is defined as a minimally invasive liver resection along the respective portal territory.

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Impact of body mass index on the difficulty and outcomes of laparoscopic left lateral sectionectomy.

Eur J Surg Oncol

August 2023

Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore; Surgery Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore. Electronic address:

Article Synopsis
  • - The study investigates how body mass index (BMI) affects outcomes after laparoscopic left lateral sectionectomy (L-LLS), revealing that higher BMI levels (greater than 27kg/m²) lead to increased blood loss, longer operative times, and more open conversions during surgery.
  • - A large sample of 2,183 patients from 59 centers worldwide was analyzed, showing that as BMI increases, so do certain negative surgical outcomes, but patient complications also exhibited a "U" shaped relationship—higher rates were seen in both underweight and obese individuals.
  • - The findings suggest that BMI should be considered in evaluating the difficulty of L-LLS procedures and in future assessments of surgical risk and outcomes.
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Objective: To assess the impact of radical nephroureterectomy on postoperative renal function in patients with upper tract urothelial carcinoma (UTUC).

Methods: We retrospectively evaluated 645 patients with UTUC treated with radical nephroureterectomy between January 2000 and May 2022. The primary outcome was the rate of postoperative estimated glomerular filtration rate (eGFR) ≥60 mL/min/1.

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  • Laparoscopic liver resections (LLR) and robotic liver resections (RLR) are effective techniques for treating large liver tumors (≥10 cm), and a multicenter study provides better understanding of their safety and application.
  • A retrospective review of 971 patients from 42 centers between 2002-2020 revealed that 100 underwent RLR and 699 underwent LLR, with a focus on comparing perioperative outcomes.
  • After matching for patient characteristics, the study found no significant differences in key outcomes between RLR and LLR, indicating both methods can be safely used with excellent results for large tumors.
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Background: Early laparoscopic cholecystectomy (ELC) for acute cholecystitis (AC) poses multiple challenges. The Tokyo Guidelines 2018 (TG18) eliminated the time limit (< 72 h) and expanded the surgical indication to severe AC. This study aimed to evaluate the clinical outcomes of ELC for AC following the TG18 in a single high-volume center.

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Robotic versus laparoscopic liver resections for hepatolithiasis: an international multicenter propensity score matched analysis.

Surg Endosc

August 2023

Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, National Cancer Centre Singapore and Duke-National University Singapore Medical School, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore.

Article Synopsis
  • Minimally invasive liver resection (MILR) helps treat liver diseases and is becoming more common worldwide.
  • A study looked at 273 patients who had two types of surgeries, robotic (RLR) and laparoscopic (LLR), to see how they compared for treating liver stones.
  • The results showed that RLR had less blood loss and fewer patients needed to switch to traditional open surgery, but both methods were generally safe.
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  • The study aimed to compare outcomes of robotic major hepatectomy (R-MH) versus laparoscopic major hepatectomy (L-MH), exploring whether R-MH offers any advantages.
  • An analysis of 4822 patient cases across 59 centers revealed that R-MH resulted in significantly less blood loss, fewer applications of the Pringle maneuver, and lower rates of conversion to open surgery.
  • Moreover, R-MH showed reduced postoperative morbidity and shorter hospital stays for patients with cirrhosis compared to L-MH, indicating its potential benefits.
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The Effect of Aldosterone on Cardiorenal and Metabolic Systems.

Int J Mol Sci

March 2023

Division of Nephrology, Hypertension, and Endocrinology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan.

Aldosterone, a vital hormone of the human body, has various pathophysiological roles. The excess of aldosterone, also known as primary aldosteronism, is the most common secondary cause of hypertension. Primary aldosteronism is associated with an increased risk of cardiovascular disease and kidney dysfunction compared to essential hypertension.

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