Publications by authors named "Akiyo Matsumoto"

A rare case of an ascending colon injury and ileal perforation in a 34-year-old male patient due to blunt abdominal trauma caused by a road traffic accident is reported in this study. This paper reports the clinical and imaging findings of seat belt syndrome. The seat belt syndrome primarily involves soft tissue injury; however, lacerations of the colon, small intestine, and mesentery have rarely been reported in the literature.

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Introduction: Robot-assisted surgery is increasingly deployed in colorectal surgery, and decompression surgery using a stent is considered a standard treatment for malignant stenosis of the large intestine. Surgery after stent placement is also frequently performed. However, the anastomosis method remains controversial.

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Fish oil (FO) is rich in the n-3 polyunsaturated fatty acids. It has been demonstrated that FO intake possesses lipid-lowering properties. Conversely, a high-cholesterol (CH) diet promotes lipid accumulation in the liver and induces fatty liver.

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Aquaporin (AQP) 7 and AQP9 are membrane channel proteins called aquaglyceroporins and are related to glucose and lipid metabolism. AQP7 is mainly expressed in white adipose tissue (WAT) and is involved in releasing glycerol into the bloodstream. AQP9 is the glycerol channel in the liver that supplies glycerol to the hepatic cells.

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Emergency appendectomy (EA) is the gold standard management for acute appendicitis (AA). However, whether EA or interval appendectomy (IA) after conservative treatment is the optimal approach in AA with abscess remains controversial. This study compared IA and EA in patients presenting with AA accompanied by abscess.

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Introduction: Strategies to postpone elective surgeries were proposed to maintain the hospital capacity to cater for coronavirus disease 2019 (COVID-19) and emergency non-COVID cases. Non-operative management (NOM) was recommended when possible during the COVID-19 era. However, the optimal approach to acute appendicitis (AA) in patients with COVID-19 remains controversial.

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Introduction: Immediate appendectomy for acute appendicitis with abscess has a high frequency of ileocecal resection and postoperative complications compared with interval appendectomy after conservative treatment. The optimal approach to acute appendicitis with abscess remains controversial.

Presentation Of Case: A 69-year-old woman was referred to our hospital for abdominal pain.

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Research into the prevention and treatment of age-related metabolic diseases are important in the present-day situation of the aging population. We propose that an elderly diabetic mouse model may be useful to such research as it exhibits deterioration of glucose and lipid metabolism. Although the KK mouse strain is commonly used as a model of moderate obesity and type 2 diabetes, the utility of this strain as an elderly obese and diabetic model mouse for research into aging remains unclear.

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A 67-year-old man who had been pinned between a basket crane and a tree complained of severe pain in his lower back and a decreased appetite. Laparotomy after decompressing the gastrointestinal tract revealed incarceration of an ileal loop within a fractured third lumbar vertebra. The damaged bowel was resected, and an end-to-end anastomosis was performed.

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The patient was a 75-year-old man with advanced esophagogastric junction cancer.He received 2 courses of neoadjuvant chemotherapy with DCS followed by lower esophagectomy and total gastrectomy via the left thoracoabdominal approach. Pathological examination revealed EGJ adenocarcinoma(pT3N4M0, pStage Ⅳa).

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Pioglitazone is one of the thiazolidinediones (TZDs) and an insulin-sensitive drug for type 2 diabetes. In our previous study, a combination of pioglitazone and fish oil rich in n-3 polyunsaturated fatty acids (PUFAs) was shown to inhibit pioglitazone-induced side effects, such as accumulation of subcutaneous fat and body weight gain. However, the effects of the discontinuation of fish oil after combination treatment with TZD and fish oil are not clear.

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The elderly patients with type 2 diabetes suffer more adverse drug events than young adults due to pharmacokinetic and pharmacodynamic changes associated with aging. Reducing the risks of these medication-related problems are equally important for the clinical care of older type 2 diabetes patients. Pioglitazone is used for treating type 2 diabetes as an oral antidiabetic drug.

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We report a case of a 42-year-old man who underwent 3 times surgical resection for lymph nodes recurrence and multidisciplinary therapy for Stage IV b Barrett's esophageal adenocarcinoma, and was well 6 years and 3 months after the first resection. The prognosis of the recurrence cases after radical recection of the esophageal cancer is extremely poor. Long-term prognosis may be obtained in few patients, but the cases are squamous cell carcinoma in most of the reported cases.

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We herein report 2 cases of radical operation for synchronous double cancer of the thoracic esophagus and each side of the lung. Case 1:A 71-year-old woman with synchronous double cancer of the thoracic esophagus (Mt, T3N2M0, Stage III) and right lung (M, T2aN0M0, Stage I B) underwent esophagectomy concomitantly with right middle lobectomy through right thoracotomy (single-stage operation) after 2 courses of systemic chemotherapy with docetaxel, cisplatin and 5-fluorouracil( DCF regimen). Case 2:A 72-year-old man with synchronous double cancer of the thoracic esophagus( MtLt, T3N2M0, Stage III) and left lung( U, T1aN0M0, Stage I A) underwent 2-stage operation after 2 courses of the DCF therapy.

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Background: While esophageal fistula formation in the adjacent organs is associated with high rates of morbidity and mortality, the management of non-aortic arterio-esophageal fistula has not been frequently reported.

Case Presentation: A 69-year-old Japanese man who had undergone definitive chemoradiotherapy for esophageal cancer was admitted to our hospital with hematemesis. He was diagnosed with mediastinal abscess caused by esophageal perforation, and esophageal bypass surgery was performed.

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Galanin-like peptide (GALP) is a neuropeptide involved in the regulation of food intake behavior, body weight and energy metabolism. In previous studies, we demonstrated that the intranasal administration of GALP has weight loss effects, although the mechanism of this action was not clarified. The aim of this study was to demonstrate the functional significance of GALP on lipid metabolism in the liver.

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Article Synopsis
  • A 73-year-old man diagnosed with Stage IV gastric cancer had peritoneal dissemination and underwent various chemotherapies, including TS-1 plus CDDP, which was halted due to renal issues.
  • After successful treatment that cleared peritoneal dissemination, he had surgery and received adjuvant chemotherapy, remaining cancer-free over 5 years post-surgery.
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n-3 Polyunsaturated fatty acids, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have protective effects against the pancreatic β-cell dysfunction through several mechanisms. Thiazolidines are insulin sensitizers and are used in treating patients with type 2 diabetes. Our previous study demonstrated that a combination of fish oil, which is rich with EPA and DHA, and pioglitazone exerts beneficial effects on obesity and diabetes through their actions on the liver and adipose tissue.

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This study investigates effects of dipeptide balenine, as a major component of whale meat extract (hereafter, WME), supplementation on senescence-accelerated mouse prone 8 (SAMP8), an Alzheimer's disease (AD) model at level of learning and memory formation and brain expression profiles genome-wide in brain. Mice fed experimental balenine (+ WME) supplemented diet for 26 weeks were subjected to four behavioral tests - open field, Y-maze, new object recognition, and water-filled multiple T-maze - to examine effects on learning and memory. Brain transcriptome of SAMP8 mice-fed the WME diet over control low-safflower oil (LSO) diet-fed mice was delineated on a 4 × 44 K mouse whole genome DNA microarray chip.

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Background: The gold standard of rectal surgery is TME and DST anastomosis.1 6 The division of mesorectum in tumor-specific mesorectal and total mesorectal excisions is one of the most difficult procedures of anterior dissection. We have developed a laparoscopic-assisted anterior dissection technique using the simple Rectum Catcher device (RC) with an intraoperative colonoscopy (CF).

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Background: Conventional open lateral lymph node (LLN) dissection performed along the internal iliac vessels frequently results in increased bleeding and postoperative complications [1, 2]. However, laparoscopic LLN dissection is a feasible, oncologically acceptable alternative [3-6]. We have developed a laparoscopic autonomic nerve-preserving technique for LLN dissection based on the vesicohypogastric fascia (VF) and ureterohypogastric nerve fascia (UNF) [7].

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We examined the effects of fish oil and fenofibrate (FF) on the pancreatic islet hypertrophy, and on the modification of glucose and lipid metabolic dysfunctions in KK mice with insulin resistance. The mice were fed one of four diets [25en% lard/safflower oil (LSO), 25en% fish oil (FO), or each of these diets plus 0.1wt% FF (LSO/FF, FO/FF)] for 9 weeks.

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Galanin-like peptide (GALP) is a neuropeptide involved in the regulation of feeding behavior and energy metabolism in mammals. While a weight loss effect of GALP has been reported, its effects on lipid metabolism have not been investigated. The aim of this study was to determine if GALP regulates lipid metabolism in liver and adipose tissue via an action on the sympathetic nervous system.

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Aquaporin (AQP) 7 and AQP9 are subcategorised as aquaglyceroporins which transport glycerin in addition to water. These AQPs may play a role in the homeostasis of energy metabolism. We examined the effect of AQP7, AQP9, and lipid metabolism-related gene expression in obese mice.

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Pioglitazone, a thiazolidinedione (TZD), is widely used as an insulin sensitizer in the treatment of type 2 diabetes. However, body weight gain is frequently observed in TZD-treated patients. Fish oil improves lipid metabolism dysfunction and obesity.

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