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Izumi Takeyoshi,
Keitaro Hirai,
Yohei Miyamae,
Kazumi Tanaka,
Norifumi Takahashi,
Hiroshi Tsukagoshi,
Hiroomi Ogawa,
Hiroyuki Toya, Osamu Totsuka,
Daisuke Yoshinari,
Yutaka Sunose,
Satoshi Hagiwara
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ABSTRACT: A 70-year-old female presented with epigastralgia. Gastrointestinal endoscopic examination showed advanced gastric cancer type 2. Computed tomography(CT)showed a liver tumor of 37mm in segment 6. She was treated with oral S-1, 80 mg/body for 14 days, followed by a 7-day rest, and CDDP 20mg/m2(day 1 and 8). After ten courses of treatment, CT showed reduction of the primary cancer, the liver tumor, and the affected lymph nodes. Then, distal gastrectomy, lymph node dissection, and partial liver resection were performed. The histological diagnosis was no viable cancer cells found in stomach, liver or lymph nodes. One year and 1 month postoperatively, the patient is alive without recurrence.
Gan to kagaku ryoho. Cancer & chemotherapy 01/2013; 40(1):91-3.
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ABSTRACT: A 50-year-old woman was diagnosed with ascending colon cancer with bilateral ovarian metastases, carcinomatous peritonitis, and carcinomatous pleurisy. Nine courses of mFOLFOX6 treatment resulted in the disappearance of her ascites and pleural effusion and a marked decrease in her serum CEA and CA19-9 levels. Additionally, the primary tumor and ovarian metastases became smaller. Therefore, a right hemicolectomy with D3 lymph node dissection, total hysterectomy, and bilateral salpingo-oophorectomy were performed. Postoperatively, we changed the chemotherapy from mFOLFOX6 to bevacizumab+FOLFIRI because the patient had an allergic reaction to oxaliplatin, and we suspected lung metastasis. Because the lung metastasis grew after ten courses of bevacizumab+FOLFIRI, we changed to cetuximab+FOLFIRI. Unfortunately, 28 months after her diagnosis, the patient died of carcinomatous pleurisy.
Gan to kagaku ryoho. Cancer & chemotherapy 06/2012; 39(6):993-5.
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ABSTRACT: We present a case of a 59-year-old female who was admitted to our hospital for upper abdominal pain. She was diagnosed with pancreatic body carcinoma by computed tomography and magnetic resonance imaging. We started gemcitabine+S-1 chemotherapy because the tumor had invaded the celiac trunk, common hepatic artery, superior mesenteric vein, and splenic vein. We reduced the S-1 to 100mg/body after the third course of gemcitabine(1, 000mg/m2 on days 1 and 8, every 21 days)+S-1(120mg/body on days 1-14, every 21 days)because of side effects. The tumor became smaller, and the celiac trunk and common hepatic artery were released. Thus, we conducted a distal pancreatectomy with a D2 lymph node dissection.
Gan to kagaku ryoho. Cancer & chemotherapy 02/2012; 39(2):273-5.
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Keitaro Hirai,
Izumi Takeyoshi,
Yoshiaki Takase,
Kazumi Tanaka,
Norifumi Takahashi,
Hiroomi Ogawa,
Hiroyuki Toya, Osamu Totsuka,
Daisuke Yoshinari,
Yutaka Sunose,
Susumu Kawate,
Tsuneo Hirano
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ABSTRACT: A n 83-year-old male presented with a leg edema. Gastrointestinal endoscopic examination showed advanced gastric cancer type 2, which was diagnosed as mod~well-differentiated adenocarcinoma. Computed tomography (CT) showed enlarged multiple lymph nodes. He was treated with oral S-1, 80 mg/day for 14 days, followed by a 7-day rest. After two courses of treatment, CT showed reduction of the lymph nodes. After 8 courses of treatment, total gastrectomy and lymph node dissection were performed. The histological diagnoses were tub 2>tub 1, pSS, pN0, pStage I B. One year and 10 months postoperatively, the patient is alive without recurrence.
Gan to kagaku ryoho. Cancer & chemotherapy 07/2011; 38(7):1187-9.
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ABSTRACT: A 6 3-year-old male presented with dysphagia. Gastrointestinal endoscopic examination showed advanced gastric cancer type 3, which was diagnosed as well-differentiated adenocarcinoma. Computed tomography(CT)showed bilateral lung tumors, hugely enlarged Virchow and para-aortic lymph nodes. He was treated with combination chemotherapy of weekly paclitaxel(PTX)and doxifluridine(5'-DFUR). PTX was administered at a dose of 80mg/m2 on day 1, 8 and 15, and 5'- DFUR was orally administered at a dose of 533mg/m / 2day for 5 days followed by withdrawal for 2 days. After four courses of treatment, CT showed an almost complete disappearance of the lung and lymph node metastases. After 13 courses of treatment, total gastrectomy and lymph node dissection were performed. One year postoperatively, the patient died of a recur- rence.
Gan to kagaku ryoho. Cancer & chemotherapy 04/2011; 38(4):659-62.
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ABSTRACT: A 26-year-old man was admitted to our hospital because of a high-grade fever and abdominal pain. A blood test showed marked inflammation. Enhanced computed tomography (CT) showed an 8.0×6.0cm cystic lesion in the left hepatic lobe. Esophagogastroduodenoscopy showed a huge egg-yolk-like mass in the gastric submucosa in the lesser curvature of the gastric body from the gastric angle. There were 3 ulcers on the mass, out of which milky pus flowed. Trophozoites of Entamoeba histolytica were detected from cultures of the liver abscess and a biopsy of the gastric ulcers. The amoebic dysentery antibody titer was increased 1600 times. An amoebic liver abscess complicated by a gastric fistula was diagnosed. As therapy, oral metronidazole was administered for 2 weeks without percutaneous drainage. The systemic inflammatory findings improved immediately and the abscess decreased markedly in size.
Nippon Shokakibyo Gakkai zasshi The Japanese journal of gastro-enterology 01/2011; 108(8):1413-9.
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ABSTRACT: A 64-year-old female presented with a left cervical tumor. Gastrointestinal endoscopic examination showed advanced gastric cancer type 3, which was diagnosed as poorly-differentiated adenocarcinoma. Computed tomography (CT) showed hugely enlarged Virchow and para-aortic lymph nodes. She was treated with oral S-1, 100 mg/day for 28 days, followed by a 2-week rest. After two courses, S-1 was administered for 14 days followed by a 7-day rest because of side effects. After five courses of treatment, CT showed complete disappearance of the lymph node metastases. Total gastrectomy and lymph node dissection were performed. The histology was judged as Grade 2. The residual cancer in the stomach was only 2mm in size, and there were no viable cancer cells in any lymph nodes. One year postoperatively, the patient is alive without recurrence.
Gan to kagaku ryoho. Cancer & chemotherapy 03/2010; 37(3):517-20.
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Toshio Okabe,
Toshihiro Ohya,
Hiroshi Matsumoto,
Ken-Ichi Tago, Osamu Totsuka,
Yuki Numaga,
Toru Higuchi,
Hiroshi Iesato,
Tadahiro Yokomori,
Susumu Kawate,
Izumi Takeyoshi
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ABSTRACT: A 68-year-old man underwent total gastrectomy for Type 3 gastric cancer with liver metastasis. The final finding was T3(SE), N1, H1, P0, CY0(class IV), Stage IV, Cur C. After surgery, he was treated with combination chemotherapy of weekly paclitaxel(PTX)/doxifluridine(5'-DFUR). Paclitaxel was administered at a dose of 80 mg/m(2) on day 1, 8 and 15, and doxifluridine was orally administered at a dose of 533 mg/m(2) day for five days followed by withdrawal for two days. This regimen was repeated every four weeks. After 2 courses, the tumor marker level normalized, and the size of the liver metastasis was remarkably decreased. After 5 courses, a CT scan revealed the liver metastasis had disappeared, and he has now survived without recurrence after the disappearance of the liver metastasis. No severe adverse reactions were observed, and the man can be treated as an outpatient. This therapy may thus be effective in the treatment of advanced gastric cancer following non-curative operation.
Gan to kagaku ryoho. Cancer & chemotherapy 02/2009; 36(1):115-8.
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Katsumi Kobayashi,
Kiyohiro Oshima,
Masato Muraoka,
Takahiko Akao, Osamu Totsuka,
Hisashi Shimizu,
Hiroaki Sato,
Kazumi Tanaka,
Kenjiro Konno,
Koshi Matsumoto,
Izumi Takeyoshi
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ABSTRACT: To evaluate the effect of ANP on warm I/R injury in a porcine THVE model.
Miniature pigs (mini-pigs) weighing 16-24 kg were observed for 120 min after reperfusion following 120 min of THVE. The animals were divided into two groups. ANP (0.1 mug/kg per min) was administered to the ANP group (n = 7), and vehicle was administered to the control group (n = 7). Either vehicle or ANP was intravenously administered from 30 min before the THVE to the end of the experiment. Arterial blood was collected to measure AST, LDH, and TNF-alpha. Hepatic tissue blood flow (HTBF) was also measured. Liver specimens were harvested for p38 MAPK analysis and histological study. Those results were compared between the two groups.
The AST and LDH levels were lower in the ANP group than in the control group; the AST levels were significantly different between the two groups (60 min: 568.7 +/- 113.3 vs 321.6 +/- 60.1, P = 0.038 < 0.05, 120 min: 673.6 +/- 148.2 vs 281.1 +/- 44.8, P = 0.004 < 0.01). No significant difference was observed in the TNF-alpha levels between the two groups. HTBF was higher in the ANP group, but the difference was not significant. A significantly higher level of phosphorylated p38 MAPK was observed in the ANP group compared to the control group (0 min: 2.92 +/- 1.1 vs 6.38 +/- 1.1, P = 0.011 < 0.05). Histological tissue damage was milder in the ANP group than in the control group.
Our results show that ANP has a protective role in I/R injury with p38 MAPK activation in a porcine THVE model.
World Journal of Gastroenterology 07/2007; 13(25):3487-92. · 2.47 Impact Factor
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ABSTRACT: Free radical scavengers and superoxide dismutase have been found to protect against cerebral ischemic damage, and it was suggested that oxygen free radicals contribute to ischemia-reperfusion injury induced by cerebral ischemic damage. MCI-186 (3-methyl-1-phenyl-2-pyrazolin-5-one) is a potent scavenger and inhibitor of hydroxyl radicals and protective agent of peroxidative injury. The purpose of this study was to evaluate the effects of MCI-186 on pulmonary ischemia-reperfusion injury in a simulated transplanted lung model.
Fourteen dogs were divided into two groups (n = 7 each). In the MCI group, MCI-186 was continuously administered at 3 mg/kg/hour intravenously (IV) from 30 minutes before reperfusion until 30 minutes after reperfusion (total administration time 1 hour). Vehicle was administered in the control group. Warm ischemia was induced for 3 hours by clamping the left pulmonary artery and veins. Simultaneously, the left stem bronchus was bisected and then anastomosed before reperfusion. The right pulmonary artery was ligated 15 minutes after reperfusion, and the right stem bronchus was then bisected.
The respiratory gas exchange, hemodynamic changes, wet-to-dry weight ratio (WDR) and malondialdehyde (MDA) concentration in the tissue were significantly improved (p < 0.05) in the MCI group. The histologic damage was more severe in the control group and polymorphonuclear neutrophil (PMN) infiltration was reduced in the MCI group.
MCI-186 has a protective effect on pulmonary ischemia-reperfusion injury through the inhibition of lipid peroxidation.
The Journal of heart and lung transplantation: the official publication of the International Society for Heart Transplantation 08/2006; 25(8):965-71. · 3.54 Impact Factor
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ABSTRACT: Bradykinin mediates acute inflammation by increasing microvascular permeability, vasodilation, leukocyte migration and accumulation, and the production of arachidonic acid via phospholipase A2 activation. Arachidonic acid metabolites, or eicosanoids, are potent modulators of biological functions, particularly inflammation. Bradykinin exerts its inflammatory effects via the bradykinin B2 receptor. The aim of this study was to evaluate the effect of a bradykinin B2 receptor antagonist, FR173657 (FR), on intestinal ischemia-reperfusion (I/R) injury. Twenty-eight mongrel dogs were divided into four groups (n = 7 per group). Group I underwent I/R alone, Group II underwent I/R and received FR treatment, Group III was sham operated, and Group IV was sham operated and received FR treatment. The FR treatment consisted of FR continuously from 30 min prior to ischemia to 2 hr after reperfusion. In the I/R procedure, the superior mesenteric artery (SMA) and vein were clamped for 2 hr and then released to permit reperfusion for 12 hr. The intramucosal pH (pHi), SMA blood flow, and mucosal tissue blood flow were measured during the reperfusion period. The serum thromboxane B2 and 6-keto-prostaglandin F1alpha levels were determined, and tissue samples were examined histologically. Results showed that tissue blood flow, pHi, and SMA blood flow after reperfusion were maintained in Group II in comparison with Group I. Histopathological examination showed less severe mucosal damage after reperfusion in Group II than in Group I. The serum thromboxane B2 and 6-keto-prostagland in F1alpha levels were significantly lower in Group II than in Group I (P < 0.05). We conclude that FR treatment appears to have clear protective effects on small bowel I/R injury by inhibiting the release of eicosanoids.
Digestive Diseases and Sciences 01/2005; 50(1):27-36. · 2.12 Impact Factor
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ABSTRACT: This study investigated the effects of a bradykinin B(2) receptor antagonist, FR173657 (FR), on ischemia-reperfusion (I/R) injury in a canine lung transplantation model.
Eighteen pairs of weight-matched dogs were randomly divided into 3 groups. Six pairs were assigned to the FR(D+R) group, in which FR (100 nmol/kg/h) was administered to the transplant donor continuously beginning 30 minutes before ischemia until the onset of ischemia, and FR was administered to the transplant recipient beginning 30 minutes before reperfusion and continuing for 2 hours after reperfusion. Another 6 pairs of dogs were assigned to the FR(R) group, in which FR was administered only to the recipient in the same manner as in the FR(D+R) group. The other pairs were assigned to the control group, in which vehicle alone was administered. Orthotopic left lung transplantation was performed after 12-hour cold storage in Euro-Collins solution. Fifteen minutes after reperfusion, the right pulmonary artery and the right stem bronchus were ligated. The animals were measured for 4 hours after reperfusion for left pulmonary vascular resistance (L-PVR), cardiac output (CO), arterial oxygen pressure (PaO(2)) and alveolar-arterial oxygen pressure difference (A-aD(O(2))). Lung specimens were harvested for measurement of the wet-to-dry lung weight ratio (WDR), histopathologic studies and polymorphonuclear neutrophil (PMN) count.
Compared with the control group, PaO(2), A-aDO(2), L-PVR and CO were all significantly (p < 0.05) improved and WDR significantly (p < 0.05) lower in both the FR(D+R) and FR(R) groups. Moreover, in the FR-treated groups, histologic tissue edema was mild, and PMN infiltration was significantly (p < 0.05) reduced.
The bradykinin B(2) receptor antagonist, FR173657, ameliorates I/R injury in lung grafts, indicating that protection of lung grafts can be achieved by the administration of FR solely to the transplant recipient.
The Journal of Heart and Lung Transplantation 06/2004; 23(5):606-13. · 4.33 Impact Factor
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ABSTRACT: This study investigated the effects of a bradykinin B(2) receptor antagonist, FR173657 (FR), on pulmonary ischemia-reperfusion (I/R) injury.
Twenty-four mongrel dogs were divided into four groups (n = 6 each). In Groups I, II and III, FR doses of 33, 100 and 300 nmol/kg per hour, respectively, were administered continuously beginning 30 minutes before ischemia and continuing for 2 hours after reperfusion. In Group IV, vehicle alone was administered. Warm ischemia was induced for 3 hours by clamping the left pulmonary artery and veins. Simultaneously, the left stem bronchus was bisected and then anastomosed before reperfusion. Fifteen minutes after reperfusion, the right pulmonary artery and bronchus were ligated. Left pulmonary vascular resistance (L-PVR), cardiac output (CO), arterial oxygen pressure (PaO(2)) and the alveolar - arterial oxygen pressure difference (A-aDO2) were measured for 4 hours after reperfusion. Lung tissue was harvested for wet-to-dry weight ratio (WDR) measurements, histopathologic studies and polymorphonuclear neutrophil (PMN) counts. Serum thromboxane (TX) B(2), 6-keto-prostaglandin (PG) F(1alpha) and leukotriene (LT) B(4) levels were also measured.
PaO(2), A-aDO2, L-PVR and CO were significantly (p < 0.05) improved and WDR was significantly (p < 0.05) lower in Groups II and III than in Group IV. Histologic tissue edema was mild, and PMN infiltration was significantly (p < 0.05) reduced in Groups I, II and III compared with Group IV. TXB(2) levels were significantly (p < 0.05) lower in Group II than in Group IV, whereas 6-keto-PGF(1alpha) levels were not significantly different. LTB(4) levels were significantly (p < 0.05) lower in Groups II and III than in Group IV.
FR appears to have a protective effect on pulmonary I/R injury stemming from the inhibition of eicosanoid release.
The Journal of Heart and Lung Transplantation 09/2002; 21(9):1022-9. · 4.33 Impact Factor
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ABSTRACT: The activation of p38 mitogen-activated protein kinase (MAPK) plays an important role in the development of ischemia/reperfusion injury. FR167653 is a novel p38 MAPK inhibitor. This study evaluated the effects of p38 MAPK inhibition during cold ischemia on subsequent reperfusion injury using FR167653 as an additive to Euro-Collins solution in canine lung transplantation.
Canine orthotopic left lung transplantation was performed after 12-hr cold storage using Euro-Collins solution, with or without FR167653. Fifteen minutes after reperfusion, the right pulmonary artery and the right stem bronchus were ligated, and the animals were observed for 4 hr after reperfusion. Left pulmonary vascular resistance (L-PVR), cardiac output (CO), arterial oxygen pressure (Pao2), and alveolar-arterial oxygen pressure difference (A-aDo2) were measured. Lung specimens were harvested for wet-to-dry lung weight ratio (WDR) measurements, histopathologic studies, and polymorphonuclear neutrophil (PMN) counts. The activities of p38 MAPK in lung grafts were evaluated.
The addition of FR167653 significantly (P<0.05) improved Pao2, A-aDo2, L-PVR, CO, and WDR and suppressed PMN infiltration after transplantation. FR167653 also ameliorated histologic damage to the lung graft. During cold storage, p38 MAPK was not activated in the lung graft, whereas it was markedly activated 30 min after reperfusion. FR167653 significantly (P<0.05) inhibited p38 MAPK activation 30 min after reperfusion.
The addition of FR167653 to Euro-Collins solution improved lung graft viability associated with the inhibition of p38 MAPK activation. These results suggest that inhibiting p38 MAPK activation may attenuate ischemia/reperfusion injury in lung transplantation.
Transplantation 08/2002; 74(3):320-6. · 4.00 Impact Factor
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ABSTRACT: The optimal method for preserving livers from non-heart-beating donors (NHBD) is still unknown. We compared the Celsior solution, a new extracellular-type, low-potassium, low-viscosity preservation solution, with the University of Wisconsin (UW) solution in a canine orthotopic liver transplantation from NHBD.
Fourteen adult mongrel dogs, weighing 9 to 17 kg, were divided into two groups: the Celsior or the UW group (n = 7 each). The thoracic descending aorta and supradiaphragmatic inferior vena cava were cross-clamped for 20 min to induce warm ischemia as a NHBD model. The liver was flushed with the respective cold preservation solution and then stored at 4 degrees C for 4 h. The grafts were transplanted using the piggy-back technique under portal decompression by leaving the native right lobe as a temporary shunt.
The duration of liver flushing out (min) was shorter (P < 0.05), and the serum glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, lactate dehydrogenase, lactate, and alpha-glutathione S-transferase concentrations 2 and 6 h after reperfusion of the graft (RPF) were lower (P < 0.05) in the Celsior group than in the UW group. Hepatic tissue blood flow (HTBF) did not deteriorate as much (P < 0.05) in the Celsior group. The serum endothelin-1 level was lower (P < 0.05) in the Celsior group 2 h after RPF. Histopathology of liver specimens revealed portal congestion and hepatocyte necrosis with neutrophil infiltration in the UW group, while these findings were mild in the Celsior group.
The Celsior solution improves vascular endothelial injury in livers from NHBDs and may have advantages in graft flush and preservation of grafts from NHBDs.
Journal of Surgical Research 02/2002; 102(2):71-6. · 2.25 Impact Factor
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ABSTRACT: Protein-losing gastropathy due to diffuse varioliform gastritis is a rare condition, and its occurrence accompanying ampullary carcinoma is particularly rare. We report here a case of ampullary carcinoma accompanied with protein-losing gastroenteropathy due to diffuse varioliform gastritis. A 39-year-old Japanese woman was admitted to our hospital because of general fatigue and generalized edema. Her total protein level was 3.1g/dL, with an albumin level of 1.4g/dL, and hemoglobin level of 6.9g/dL. Upper gastrointestinal endoscopic examination showed diffuse varioliform gastritis and carcinoma of the papilla of Vater. A diagnosis of protein-losing gastropathy was made based on the results of scintigraphy using technetium 99m-labeled human albumin. Continuous bleeding from ampullary carcinoma caused anemia and deteriorated hypoproteinemia. Pancreaticoduodenectomy was performed for ampullary carcinoma prior to Helicobacter pylori eradication. The tumor was a papillary adenocarcinoma, which had invaded the lamina muscularis propria over the sphincter of Oddi; the resected stomach revealed typical hyperplastic lymphocytic gastritis. H. pylori were detected on microscopic analysis. Scintigraphy after surgery showed no accumulation of the tracer in the bowel. Anemia, hypoalbuminemia and diffuse varioliform gastritis are improved 6 months after surgery and H. pylori eradication, and the patient is currently free from disease.
Hepato-gastroenterology 52(64):1143-6. · 0.66 Impact Factor
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ABSTRACT: In liver surgery, total clamping of the portal triad (Pringle's procedure) is commonly used, and this sometimes causes liver failure. This study evaluated the effects of a free radical scavenger, MCI-186, on ischemia-reperfusion injury during liver resection in dogs.
The experimental animals were divided into two groups. In the MCI group (n = 6), MCI-186 (6mg/kg/h) was administered twice, through a catheter placed in the right hepatic vein: the first time was from 0.5 hours before the onset of ischemia until ischemia by partial inflow occlusion, and the second was from 0.5-hours before reperfusion until reperfusion. In the control group (n = 6), vehicle (physiological saline) was administered in the same manner.
The serum AST, ALT, and LDH levels were significantly (P < 0.05) lower in the MCI group than in the control group. Hepatic tissue blood flow 0.5 hours after reperfusion was significantly (P < 0.05) higher in the MCI group than in the control group. Histological tissue damage was mild, and tissue MDA levels were significantly (P < 0.05) lower in the MCI group than in the control group.
MCI-186 ameliorates the ischemia-reperfusion injury caused by Pringle's procedure during extended liver resection.
Hepato-gastroenterology 52(65):1545-8. · 0.66 Impact Factor
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ABSTRACT: In liver surgery, total clamping of the portal triad (Pringle's procedure) is commonly used, and sometimes causes liver failure. This study evaluated the effects of a bradykinin B2 receptor antagonist, FR173657 (FR), on ischemia-reperfusion injury during liver resection in dogs.
Experimental animals were divided into two groups. In the FR group (n=6), FR (100 nmol/kg/hr) was administered continuously via the portal vein from 30 min before the onset of ischemia until 2 hr after reperfusion. In the control group (n=6), vehicle was injected in the same manner. The right portal pedicle was clamped for 60 min, while the left portal branch was left patent to avoid portal congestion. Following reperfusion, the non-ischemic lobes were resected, and remnant liver function was evaluated.
AST and ALT were significantly (p<0.05) lower in the FR group than in the control group. Hepatic tissue blood flow 30 min after reperfusion was significantly (p<0.05) higher in the FR group than in the control group. Histological tissue damage was mild, and polymorphonuclear neutrophil infiltration was significantly (p<0.05) reduced in the FR group compared with the control group.
A bradykinin B2 receptor antagonist ameliorated the ischemia-reperfusion injury caused by Pringle's procedure during extended liver resection.
Hepato-gastroenterology 51(60):1771-5. · 0.66 Impact Factor
