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Acta Cirúrgica Brasileira

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https://www.readbyqxmd.com/read/28902944/fixation-of-the-short-term-central-venous-catheter-a-comparison-of-two-techniques
#1
Mário Lúcio Marques Leal, Ana Beatriz Alkmim Teixeira Loyola, Alexandre Ciappina Hueb, José Dias da Silva, Marcos Mesquita, Luiz Francisley de Paiva, Mauricio Landulfo Jorge Guerrieri, João Paulo Nunes Fernandes, Artur Costa Barros, Lydia Masako Ferreira
Purpose: To compare the fixation of the central venous catheter (CVC) using two suture techniques. Methods: A clinical, analytical, interventional, longitudinal, prospective, controlled, single-blind and randomized study in adult, intensive care unit (ICU) patients. After admission and indication of CVC use, the patients were allocated to the Wing group (n = 35, catheter fixation with clamping wings and retainers) or Shoelace group (n = 35, catheter fixation using shoelace cross-tied sutures around the device)...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902943/use-of-fibrinogen-and-thrombin-sponge-in-pediatric-split-liver-transplantation
#2
Fernando Pompeu Piza Vicentine, Adriano Miziara Gonzalez, Barbara Burza Beninni, Ramiro Anthero de Azevedo, Marcelo Moura Linhares, Alberto Goldenberg, Gaspar de Jesus Lopes, Jose Luiz Martins, Alcides Augusto Salzedas
Purpose: To analyze the use of this sponge in pediatric patients undergoing split-liver transplantation. Methods: Retrospective study, including 35 pediatric patients undergoing split-liver transplantation, divided into two groups according to the use of the sponge: 18 patients in Group A (no sponge) and 17 in Group B (with sponge). Results: The characteristics of recipients and donors were similar. We observed greater number of reoperation due to bleeding in the wound area in Group A (10 patients - 55...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902942/a-study-on-reducing-the-absorption-of-lidocaine-from-the-airway-in-cats
#3
Yunfeng Chen, Yiming Zeng, Yin Zhang
Purpose: To determine if the combination of lidocaine with epinephrine or gamma globulin would decrease the rate or reduce the amount of local absorption of lidocaine through the airway. Methods: Twenty adult male cats were randomly and evenly distributed into four groups: 1) Group LG: lidocaine administered with gamma globulin; 2) Group LS: lidocaine administered with physiological saline); 3) Group LE: lidocaine administered with epinephrine; 4) Group C: control group...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902941/intestinal-inflammatory-and-redox-responses-to-the-perioperative-administration-of-teduglutide-in-rats
#4
Beatriz Pinto da Costa, Ana Cristina Gonçalves, Ana Margarida Abrantes, Paulo Matafome, Raquel Seiça, Ana Bela Sarmento-Ribeiro, Maria Filomena Botelho, Francisco Castro-Sousa
Purpose: To investigate the inflammatory and redox responses to teduglutide on an animal model of laparotomy and intestinal anastomosis. Methods: Wistar rats (n=62) were allocated into four groups: "Ileal Resection and Anastomosis" vs. "Laparotomy", each one split into "Postoperative Teduglutide Administration" vs. "No Treatment"; and euthanized at the third or the seventh day. Ileal and blood samples were recovered at the baseline and at the euthanasia. Flow cytometry was used to study the inflammatory response (IL-1α, MCP-1, TNF-α, IFN-γ and IL-4 levels), oxidative stress (cytosolic peroxides, mitochondrial reactive species, intracellular glutathione and mitochondrial membrane potential) and cellular viability and death (annexin V/propidium iodide double staining)...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902940/bacterial-translocation-and-mortality-on-rat-model-of-intestinal-ischemia-and-obstruction
#5
Rafael Izar Domingues da Costa, Roberto Rasslan, Marcia Kiyomi Koike, Edivaldo Massazo Utiyama, Edna Frasson de Souza Montero
Purpose: To develop an experimental model of intestinal ischemia and obstruction followed by surgical resection of the damaged segment and reestablishment of intestinal transit, looking at bacterial translocation and survival. Methods: After anesthesia, Wistar rats was subject to laparotomy, intestinal ischemia and obstruction through an ileal ligature 1.5cm of ileum cecal valve; and the mesenteric vessels that irrigate upstream of the obstruction site to approximately 7 to 10 cm were ligated...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902939/hyperin-protects-against-cisplatin-induced-liver-injury-in-mice
#6
Chengwei Niu, Man Ma, Xiao Han, Zimin Wang, Hangyan Li
Purpose: To evaluate the effect of hyperin in cisplatin-induced liver injury in mice. Methods: Mice were pretreated with hyperin at doses of 25 mg/kg and 50 mg/kg, respectively, for six days, and intraperitoneal injection of cisplatin (40 mg/kg) was administrated one hour after the final intragastrication of hyperin. Twenty-four hours later, blood and liver were collected for further research. Results: A single injection of cisplatin (40 mg/kg) for 24 h significantly increased serum alanine and aspartate aminotransferases (ALT/AST) and gamma glutamyl transferase (GGT) activities, whileas hyperin reversed cisplatin-induced such increases...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902938/evaluation-of-the-effectiveness-of-sodium-hyaluronate-sesame-oil-honey-and-silver-nanoparticles-in-preventing-postoperative-surgical-adhesion-formation-an-experimental-study
#7
Hamid Reza Khorshidi, Amir Kasraianfard, Amir Derakhshanfar, Siavash Rahimi, Ali Sharifi, Hamid Reza Makarchian, Manoochehr Ghorbanpoor, Seyed Mohammad Reza Javadi
Purpose: To evaluate the effectiveness of sodium hyaluronate, sesame oil, honey, and silver nanoparticles in preventing of postoperative surgical adhesion formation. Methods: Forty male Wistar rats were randomly assigned into five groups with eight rats in each group including control, hyaluronate, sesame, honey and silver groups. After two weeks the animals underwent laparotomy and were evaluated by two different blinded surgeons for severity of adhesions based on the two different classification scoring systems including Nair classification and cumulative adhesion scoring scale...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902937/inside-out-and-standard-vein-grafts-associated-with-platelet-rich-plasma-prp-in-sciatic-nerve-repair-a-histomorphometric-study
#8
José Sidney Roque, Karina Torres Pomini, Rogério Leone Buchaim, Daniela Vieira Buchaim, Jesus Carlos Andreo, Domingos Donizeti Roque, Antonio de Castro Rodrigues, Geraldo Marco Rosa, Luis Henrique Rapucci Moraes, Fausto Viterbo
Purpose: To evaluated the tubulization technique with standard and inside-out vein, filled or not with platelet-rich plasma (PRP), in sciatic nerve repair. Methods: Seventy male Wistar rats were randomly divided into five groups: IOVNF (Inside-Out Vein with No Filling); IOVPRP (Inside-Out Vein filled with PRP); SVNF (Standard Vein with No Filling); SVPRP (Standard Vein filled with PRP); Sham (Control). The left external jugular vein was used as graft in a 10 mm nervous gap...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902936/corneal-angiogenesis-based-on-different-protocols-of-alkaline-cauterization-in-murine-models
#9
Flor Diana Yokoay Claros-Chacaltana, Karina Kamachi Kobashigawa, Ivan Ricardo Martinez Padua, Gisele Pereira Valdetaro, Marcela Aldrovani, José Luiz Laus
Purpose: To establish and compare protocols of alkaline cauterization for inducing corneal angiogenesis in murine models. Methods: Twenty-four adult Wistar rats were distributed into four groups (G1, G2, G3, and G4). The right eye cornea from each rat was cauterized using filter paper (3 mm), soaked in a solution of silver and potassium nitrates (3:1). Cauterization times were 10 (G1 and G4), or 20 seconds (G2 and G3). Cauterized corneas were washed with Ringer's lactate solution...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28902935/perconditioning-combined-with-postconditioning-on-kidney-ischemia-and-reperfusion
#10
Felipe Lobato da Silva Costa, Vitor Nagai Yamaki, Renan Kleber Costa Teixeira, Daniel Haber Feijó, André Lopes Valente, Luan Teles Ferreira de Carvalho, Edson Yuzur Yasojima, Marcus Vinicius Henriques Brito
Purpose: To evaluate if combination of perconditioning and postconditioning provides improved renal protection compared to perconditioning alone in a model of renal reperfusion injury. Methods: Thirty rats were assigned into 6 groups: normality; sham; ischemia and reperfusion; postconditioning; perconditioning; perconditioning + postconditioning. Animals were subjected to right nephrectomy and left renal ischemia for 30 minutes. Postconditioning consisted of 3 cycles of 5 min renal perfusion followed by 5 min of renal ischemia after major ischemic period...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793043/unintentional-pediatric-injuries-in-s%C3%A3-o-paulo-how-often-is-it-severe
#11
Simone de Campos Vieira Abib, Alessandra Mara Françóia, Renata Waksman, Maria Inês Dolci, Hélio Penna Guimarães, Frederico Moreira, Marcus Vinícius BoarettoCezillo, Adenauer Marinho Góes
Purpose: To evaluate severity and built a pilot of a national databank about pediatric trauma and to determine its severity. Methods: Prospective study of unintentional pediatric trauma in five hospitals in the city of São Paulo, Brazil. Results: 916 patients in 4 months. 61.5% of traumatized children were male, average 6.5 years. 48. 4% were falls. Most families had an average monthly income less than three minimum wages. 42% of accidents occurred at home...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793042/a-prospective-randomized-study-of-the-inflammatory-responses-to-multiport-and-singleport-laparoscopic-hysterectomies
#12
Renata Assef Tormena, Sérgio Conti Ribeiro, José Maria Soares, Gustavo Arantes Rosa Maciel, Edmund Chada Baracat
Purpose: To evaluate the inflammatory responses induced by laparoscopic hysterectomies with multiport and singleport approaches. Methods: This was a pilot prospective randomized study that included 42 women candidates for hysterectomy at School of Medicine, Hospital das Clínicas, USP. The patients were randomized to two groups: MP-TLH (total laparoscopic hysterectomy with 3 abdominal incisions), and SP-TLH (total laparoscopic hysterectomy with a single umbilical incision)...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793041/experimental-study-of-peripheral-blood-pro-surfactant-protein-b-for-screening-non-small-cell-lung-cancer
#13
Yong He, Zhenjie Jiang, Fengzhi Tong, Mingwu Li, Xingru Yin, Shixin Hu, Linlin Wang
Purpose: To evaluate the possibility of using peripheral-blood presurfactant protein B (Pro-SFTPB) for screening non-small cell lung cancer (NSCLC). Methods: A total of 873 healthy volunteers and 165 lung cancer patients hospitalized in the Fifth People's Hospital of Dalian were tested Pro-SFTPB once every half year from January 2014 to September 2015. The healthy volunteers were also conducted spiral computed tomography (CT) examination once every year. The data were then com-pared and statistically analyzed...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793040/the-role-of-ischemic-preconditioning-and-pentoxifylline-in-intestinal-ischemia-reperfusion-injury-of-rats
#14
Teresinha Regina Ribeiro de Oliveira, Geraldo Ferreira de Oliveira, Ricardo Santos Simões, Eduardo Hiroshi Tikazawa, Hugo Pequeno Monteiro, Djalma José Fagundes, Murched Omar Taha
Purpose: To investigate the role of ischemic preconditioning (IPC) and pentoxifylline (PTX) in intestinal mucosa ischemia/reperfusion injury (IR). Methods: Thirty rats were assigned to 5 groups (N=6): (CG): no clamping of the superior mesenteric artery (90 min.); (IR-SS): saline + ischemia (30 min.) + reperfusion (60 min.); (IR-PTX): PTX + ischemia (30min.) + reperfusion (60 min.); (IPC-IR-SS): 5 min. of ischemia + 5 minutes of reperfusion (IPC) + saline + ischemia (30 min...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793039/low-energy-shock-wave-preconditioning-reduces-renal-ischemic-reperfusion-injury-caused-by-renal-artery-occlusion
#15
Yuquan Xue, Zhibin Xu, Haiwen Chen, Weimin Gan, Tie Chong
Purpose: To evaluate whether low energy shock wave preconditioning could reduce renal ischemic reperfusion injury caused by renal artery occlusion. Methods: The right kidneys of 64 male Sprague Dawley rats were removed to establish an isolated kidney model. The rats were then divided into four treatment groups: Group 1 was the sham treatment group; Group 2, received only low-energy (12 kv, 1 Hz, 200 times) shock wave preconditioning; Group 3 received the same low-energy shock wave preconditioning as Group 2, and then the left renal artery was occluded for 45 minutes; and Group 4 had the left renal artery occluded for 45 minutes...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793038/transplantation-of-human-immature-dental-pulp-stem-cell-in-dogs-with-chronic-spinal-cord-injury
#16
Matheus Levi Tajra Feitosa, Carlos Alberto Palmeira Sarmento, Renato Zonzini Bocabello, Patrícia Cristina Baleeiro Beltrão-Braga, Graciela Conceição Pignatari, Robson Fortes Giglio, Maria Angelica Miglino, Jéssica Rodrigues Orlandin, Carlos Eduardo Ambrósio
Purpose: To investigate the therapeutic potential of human immature dental pulp stem cells in the treatment of chronic spinal cord injury in dogs. Methods: Three dogs of different breeds with chronic SCI were presented as animal clinical cases. Human immature dental pulp stem cells were injected at three points into the spinal cord, and the animals were evaluated by limb function and magnetic resonance imaging (MRI) pre and post-operative. Results: There was significant improvement from the limb function evaluated by Olby Scale, though it was not supported by the imaging data provided by MRI and clinical sign and evaluation...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793037/impact-of-propofol-on-renal-ischemia-reperfusion-endoplasmic-reticulum-stress
#17
Mengqin Su, Sueng Ren, Wei Zhong, Xueping Han
Purpose: To investigate the protective mechanisms of propofol (Pro) on renal ischemia/reperfusion (I/R) injury by studying its impact on renal I/R endoplasmic reticulum stress. Methods: Eighteen male Sprague-Dawley rats (SD rats) were randomly divided into three groups: the I/R group, the Pro pretreatment group, and the control group, and corresponding treatments were performed. The levels of serum creatinine (Cr) and blood urea nitrogen (BUN) of each group were detected...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793036/effect-of-mild-hypothermia-on-renal-ischemia-reperfusion-injury-after-cardiopulmonary-resuscitation-in-a-swine-model
#18
Wei Yuan, Jun-Yuan Wu, Yong-Zhen Zhao, Jie Li, Jie-Bin Li, Zhen-Hua Li, Chun-Sheng Li
Purpose: To investigate the effect of intravascular cooling on renal function after resuscitation. Methods: Twenty four pigs were randomized into three groups (n=8 in each group): therapeutic hypothermia group (TH group), normothermia group (NH group) and sham operation group (SHAM group). After 6 minutes of untreated VF, CPR was performed. Upon ROSC, the TH group received the intravascular cooling. The NH and SHAM group did not undergo therapeutic hypothermia. Haemodynamic parameters were recorded...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793035/does-mesenchymal-stem-cell-improve-the-liver-regeneration-after-the-70-hepatectomy
#19
Ana Karina Soares Alves, Valéria Lanzoni, Rogério Aoki Fuziy, Rita Maria Aparecida Monteiro Moura Franco, Carlos Toshinori Maeda, Gaspar de Jesus Lopes, Marcelo Moura Linhares
Purpose: To evaluate the effects of mesenchymal stem cells on liver regeneration in rats following a 70% hepatectomy. Methods: Forty rats were subjected to 70% hepatectomy and then ~106 mesenchymal stem cells (test group), or saline solution (control group), were infused into their livers via the portal vein. Each treatment group was divided into early and late subgroups (euthanized 3 d and 5 d following the operation, respectively). Group comparisons of Albumin, aminotransaminases (AST, ALT), and Alcaline Phosphatase (AP) levels, proliferative index (ki-67+ straining), and mitotic cell counts were conducted...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28793034/pulmonary-oxidative-stress-in-diabetic-rats-exposed-to-hyperoxia
#20
Letícia Alves Paiva, Iandara Schettert Silva, Albert Schiaveto de Souza, Pedro Carvalho Cassino
Purpose: To evaluate the pulmonary oxidative stress in diabetic rats exposed to hyperoxia for 90 minutes. Methods: Forty male Wistar rats were divided into four groups, each one containing 10 animals, according to the oxygen concentration to which they were exposed: 21%, 50%, 75% and 100% (hyperoxia). In each group five animals were randomly induced to diabetes by means of at a dose of 55 mg/kg of streptozotocin (STZ). Results: Seventy two hours after diabetes induction, a significant difference was seen in blood glucose in the experimental groups in comparison with the control...
July 2017: Acta Cirúrgica Brasileira
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