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A comprehensive neuromonitoring approach in a large animal model of cardiac arrest

Animal Models and Experimental Medicine 2022年第1期5卷 56-60页

作者： Filippo Annoni Lorenzo Peluso Lucas Akira Hirai Giovanni Babini Amina Khaldi Antoine Herpain Lorenzo Pitisci Lorenzo Ferlini Bruno Garcia Fabio Silvio Taccone Jacques Creteur Fuhong Su Intensive Care Experimental Laboratory Intensive Care UnitErasme HospitalBrusselBelgium Intensive Care Unit São Domingos HospitalSão LuísBrazil Department of Pathophysiology and Transplants University of MilanMilanItaly Department of Anesthesiology Intensive Care and Emergency Fondazione IRCCS Ca’Granda Ospedale Maggiore PoliclinicoMilanItaly

Background:Anoxic brain injuries represent the main determinant of poor outcome after cardiac arrest(CA).Large animal models have been described to investigate new treatments during CA and post-resuscitation phase,but a detailed model that includes extensive neuromonitoring is lacking.Method:Before an electrically-induced 10-minute CA and resuscitation,46 adult pigs underwent neurosurgery for placement of a multifunctional probe(intracranial pressure or ICP,tissue oxygen tension or PbtO_(2) and cerebral temperature)and a bolt-based technique for the placement and securing of a regional blood flow probe and two sEEG electrodes;two modified cerebral microdialysis(CMD)probes were also inserted in the frontal lobes and accidental misplacement was prevented using a perforated head support.Result:42 animals underwent the CA procedure and 41 achieved the return of spontaneous circulation(ROSC).In 4 cases(8.6%)an adverse event took place during preparation,but only in two cases(4.3%)this was related to the neurosurgery.In 6 animals(13.3%)the minor complications that occurred resolved after probe repositioning.Conclusion:Herein we provide a detailed comprehensive neuromonitoring approach in a large animal model of CA that might help future research.

关键词： anoxic injury heart arrest ischemiareperfusion post-arrest resuscitation

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Spleen-preserving distal pancreatectomy with conservation of the splenic artery and vein

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World Journal of Gastroenterology 2007年第10期13卷 1493-1499页

作者： Wataru Kimura Toshiyuki Moriya Jinfeng Ma Yukinori Kamio Toshihiro Watanabe Mitsukiro Yano Hiroto Fujimoto Koji Tezuka Ichiro hirai akira Fuse Gastroenterological and General Surgery (First Department of Surgery)Yamagata University School of Medicine2-2-2 Iida-NishiYamagata CityYamagata 990-9585Japan

Preservation of the spleen at distal pancreatectomy has recently attracted considerable attention.Since our first successful trial,spleen-preserving distal pancreatectomy with conservation of the splenic artery and vein for tumors of the pancreas and chronic pancreatitis has been performed more frequently.The technique for spleen-preserving distal pancreatectomy with conservation of the splenic artery and vein are outlined.The splenic vein is identified behind the pancreas and within the thin connective tissue membrane.The connective tissue membrane is cut longitudinally above the splenic vein.An important issue is to remove the splenic vein from the body of the pancreas toward the spleen,since a different approach may be very difficult.The pancreas is preferably removed from the splenic artery toward the head of the pancreas itself.This procedure is much easier than removing the pancreas from the vein side.One patient had undergone distal gastrectomy for duodenal ulcer,with reconstruction by Billroth Ⅱ tehcnique.If distal pancreatectomy with splenectomy had been performed for the lesion of the distal pancreas at the time,the residual stomach would also have to be resected.The potential damage done to the patient by reconstruction of the gastrointestinal tract in combination with distal pancreatectomy and splenectomy would have been much greater than with distal pancreatectomy only with preservation of the spleen and residual stomach.Benign lesions as well as low-grade malignancy of the body and tail of the pancreas may be a possible indication for this procedure.

关键词：保留脾脏胰尾切除术脾动脉脾静脉外科解剖

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Pancreatic schwannoma:Case report and an updated 30-year review of the literature yielding 47 cases

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World Journal of Gastroenterology 2012年第13期18卷 1538-1544页

作者： Toshiyuki Moriya Wataru Kimura Ichiro hirai Akiko Takeshita Koji Tezuka Toshihiro Watanabe Masaomi Mizutani akira Fuse First Department of Surgery Yamagata University Faculty of Medicine2-2-2 Iida-NishiYamagata 990-9585Japan

Pancreatic schwannomas are rare neoplasms.Authors briefly describe a 64-year-old female patient with cystic pancreatic schwannoma mimicking other cystic tumors and review the literature.Databases for PubMed were searched for English-language articles from 1980 to 2010 using a list of keywords,as well as references from review articles.Only 41 articles,including 47 cases,have been reported in the English literature.The mean age was 55.7 years(range 20-87 years),with 45%of patients being male.Mean tumor size was 6.2 cm(range 1-20 cm).Tumor location was the head(40%),head and body(6%),body(21%),body and tail(15%),tail(4%),and uncinate process(13%).Thirty-four percent of patients exhibited solid tumors and 60%of patients exhibited cystic tumors.Treatment included pancreati-coduodenectomy(32%),distal pancreatectomy(21%),enucleation(15%),unresectable(4%),refused opera-tion(2%)and the detail of resection was not specified in 26%of patients.No patients died of disease with a mean follow-up of 15.7 mo(range 3-65 mo),although 5(11%)patients had a malignancy.The tumor size was significantly related to malignant tumor(13.8±6.2 cm for malignancy vs 5.5±4.4 cm for benign,P=0.001) and cystic formation(7.9±5.9 cm for cystic tumorvs 3.9 ±2.4 cm for solid tumor,P=0.005).The preoperative diagnosis of pancreatic schwannoma remains difficult.Cystic pancreatic schwannomas should be considered in the differential diagnosis of cystic neoplasms and pseudocysts.In our case,intraoperative frozen section confirmed the diagnosis of a schwannoma.Simple enucleation may be adequate,if this is possible.

关键词：英文文献神经胰腺病例报告 PubMed数据库恶性肿瘤复习平均年龄

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Molecular Evolution of the Cytochrome b Gene in Geographically Isolated Populations of Oryzias Latipes

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Journal of Life Sciences 2011年第4期5卷 282-286页

作者： Nobuhiko Asada akira hirai Taiki Hamada Eri Sato Akio Moriyama Tetsuro Takeuchi Department of Zoology Faculty of Science Okayama University of Science Kita Okayama 700-0005 Japan Misaki-cho Okayama 716-1122 Japan Hamada 3rd Junior High School Hamada 695-0101 Japan Faculty of Humanities Shujitsu University Higashi Okayama 703-8255 Japan

The mitochondrial cytochrome b gene was isolated from the caudal fin of Oryzias latipes and PCR was undertaken to determine phylogeny. The nucleotide sequence of the complete cytochrome b gene including the 5’ and 3’ ends was 1,143 base pairs (bp) and 1,137 bp encoding 380 and 378 amino acids in the K-11 strain and HS strain, respectively. In addition, higher substitutions both in base and amino acid residues occurred more frequently between the former control (Hd-rR strain) and HS strains than the K-11 strain. Approximately similar values in polymorphism, as assessed by restriction endonuclease digestion, were detected when utilizing 20 different enzymes. Therefore, the evolutionary processes were unlikely to involve common ancestors, especially between the K-11 strain and HS strains, in O. latipes populations in Japan. The sequence had been deposited in GenBank Data Base under accession number AB480878 (K-11 strain) and AB480879 (HS strain).

关键词：线粒体细胞色素b基因分子进化 GenBank数据库氨基酸残基人群隔绝地理核苷酸序列

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