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de Almeida NRC, Bentes LGDB, Aranha MFDAC, Lemos RS, dos Santos DR, Yasojima EY. Women in surgery: do surgical specialties keep up with the feminization of medicine in Brazil? Rev Col Bras Cir 2023; 50:e20233614. [PMID: 37991063 PMCID: PMC10644865 DOI: 10.1590/0100-6991e-20233614-en] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/04/2023] [Indexed: 11/23/2023] Open
Abstract
INTRODUCTION historically, surgical medical specialties are mostly male, a scenario which, in recent years, has undergone changes. In this sense, despite the relevance of the growth of female participation in the medical career, little is discussed about the distribution between genders of the main surgical medical specialties in the country. OBJECTIVE discuss the process of feminization in surgical specialties in Brazil over the last few years, tracing a distribution profile of these specialties. METHODS this is a retrospective and cross-sectional study with secondary data from the Censuses of Medical Demography in Brazil in the years 2011, 2013, 2015, 2018, 2020 and 2023, including the surgical specialties: Urology, Orthopedics and Traumatology, Thoracic Surgery, Neurosurgery, Digestive System Surgery, Cardiovascular Surgery, Hand Surgery, General Surgery, Head and Neck Surgery, Vascular Surgery, Plastic Surgery, Ophthalmology, Coloproctology, Otorhinolaryngology, Pediatric Surgery, and Gynecology and Obstetrics. RESULTS males prevails in numbers, among the surgical specialties, however, with a lower growth rate compared to females. Specialties such as urology, orthopedics and traumatology and neurosurgery are mostly male, while gynecology and obstetrics are female. CONCLUSION it is evident that female participation in the surgical medical field has increased significantly over the last few years.
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Affiliation(s)
| | | | | | - Rafael Silva Lemos
- - Universidade do Estado do Pará, Laboratório de Cirurgia Experimental - Belém - PA - Brasil
| | - Deivid Ramos dos Santos
- - Universidade do Estado do Pará, Laboratório de Cirurgia Experimental - Belém - PA - Brasil
| | - Edson Yuzur Yasojima
- - Universidade do Estado do Pará, Laboratório de Cirurgia Experimental - Belém - PA - Brasil
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de Almeida NRC, Braga JP, Bentes LGDB, Lemos RS, Fernandes MRN, Andrade GL, de Araújo VMM, dos Santos DR, Yasojima EY. Low-cost suture simulator to gain basic surgical skills. Acta Cir Bras 2023; 38:e384223. [PMID: 37851786 PMCID: PMC10578102 DOI: 10.1590/acb384223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 07/23/2023] [Indexed: 10/20/2023] Open
Abstract
PURPOSE To introduce a new low-cost simulation model for training basic surgical skills. METHODS The training model was made from a mixture of 20 g of acetic silicone with 11 g of maize starch. Validation consisted of serial training sessions, evaluating the mean pre- and post-training time and the mean final score according to the global rating scale. RESULTS A decrease in the time required to perform the sutures was observed, comparing the average post and pre-training time of each training day, with a significant correlation between the order of training and the time for performing the simulation. CONCLUSIONS The presented model proved to be capable of simulating the basic suture training skills. It is easy to make, has low cost, and can be easily reproduced in educational institutions.
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Affiliation(s)
| | - Joyce Pantoja Braga
- Universidade Federal do Pará – Faculdade de Medicina – Belém (Pará) – Brazil
| | | | - Rafael Silva Lemos
- Universidade do Estado do Pará – Laboratório de Cirurgia Experimental – Belém (Pará) – Brazil
| | | | - Gabrielly Leite Andrade
- Universidade do Estado do Pará – Laboratório de Cirurgia Experimental – Belém (Pará) – Brazil
| | | | - Deivid Ramos dos Santos
- Universidade do Estado do Pará – Laboratório de Cirurgia Experimental – Belém (Pará) – Brazil
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Tramontin DF, da Costa LVP, de Araújo NP, dos Santos DR, Lemos RS, Teixeira RKC, Yasojima EY. Incisional hernia repair in rats: description of the sublay technique under videomagnification system. Acta Cir Bras 2022; 37:e370802. [PMID: 36327396 PMCID: PMC9633014 DOI: 10.1590/acb370802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 07/02/2022] [Indexed: 11/27/2022] Open
Abstract
PURPOSE To describe the technique of sublay correction of incisional hernia in Wistar rats under videomagnification system. METHODS Five male rats of the species Rattus norvegicus, of the Wistar lineage, with body weight between 250-350 g and 60 days old were used. Incisional hernia was inducted in all animals. After that, the incisional hernia was immediately corrected by the sublay method. RESULTS There were no cases of recurrence of the incisional hernia after placement of the polypropylene mesh using the sublay technique. No postoperative complications were observed. CONCLUSIONS The technique is suitable for execution in Wistar rats.
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Affiliation(s)
- Daniela Ferreira Tramontin
- Graduate student. Universidade do Estado do Pará – School of Medicine – Belém (PA), Brazil.,Corresponding author:
- (55 91) 98857-1936
| | | | | | - Deivid Ramos dos Santos
- MD, MS. Universidade do Estado do Pará – School of Medicine – Department of Experimental Surgery – Belém (PA), Brazil
| | - Rafael Silva Lemos
- Graduate student. Universidade do Estado do Pará – School of Medicine – Belém (PA), Brazil
| | - Renan Kleber Costa Teixeira
- MD, MS. Universidade do Estado do Pará – School of Medicine – Department of Experimental Surgery – Belém (PA), Brazil
| | - Edson Yuzur Yasojima
- PhD, Associate Professor. Universidade do Estado do Pará – School of Medicine – Department of Experimental Surgery – Belém (PA), Brazil
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Santos DRD, Araújo NPD, Teixeira RKC, Bentes LGDB, Giubilei DB, Chaves RHDF, Gonçalves AA, Yasojima EY, Barros RSMD. Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study. Acta Cir Bras 2022; 37:e370307. [PMID: 35674584 PMCID: PMC9161624 DOI: 10.1590/acb370307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/25/2022] [Indexed: 11/24/2022] Open
Abstract
Purpose: To describe the anatomical aspects of the cervical rootlets and to quantify the number of rootlets that compose C1 to T1. Methods: Twenty male rats were used in this study. The dorsal rootlets from C1 to T1 were analyzed. To study the ventral rootlets, the posterior root avulsion was performed using a microhook, allowing exposure of the ventral roots through manipulation of the denticulate ligament and arachnoid mater. The parameters analyzed were the number of ventral and dorsal rootlets by side and level. Results: The formation of the respective spinal nerve was observed in the spinal roots the union of the ventral and dorsal roots. In four animals the C1 spinal root had no dorsal and/or ventral contribution. There is no normal pattern of numerical normality of the dorsal and ventral rootlets. The average number of fascicles per root was 4.08, with a slight superiority on the left side. There was a slight superiority of the dorsal rootlets compared to the ventral rootlets. Conclusions: This investigation was the first to study cervical rootlets in rats. In 20% of the sample studied, the dorsal root of C1 was absent mainly on the left side. There is a nonlinear numerical increase from C1 to T1 in the rootlets. There is a numerical predominance of cervical fascicles on the left side, confronting several studies related to the functional predominance of right laterality, requiring new studies that correlate these variables.
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Cavalcante LCDC, Rodrigues GM, Ribeiro Júnior RFG, Monteiro AM, Damasceno AVBS, Couteiro RP, Yasojima EY, Brito MVH, Percário S. Ischemic perconditioning on mesenteric ischemia/reperfusion injury in rats. Acta Cir Bras 2021; 36:e360903. [PMID: 34755763 PMCID: PMC8580514 DOI: 10.1590/acb360903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/09/2021] [Indexed: 11/22/2022] Open
Abstract
Purpose: To evaluate if the perconditioning affects the antioxidant capacity in
mesenteric ischemia and reperfusion injury. Methods: Twenty-one Wistar rats were assigned into three groups, as follows: Sham, IR
and rPER. The animals were subjected to mesenteric ischemia for 30 min. rPER
consisted of three cycles of 5-min hindlimb ischemia followed by 5 min
hindlimb perfusion at the same time to mesenteric ischemic period. After 5
minutes, blood and 5 cm of terminal ileum were harvested for thiobarbituric
acid reactive substances (TBARS) and Trolox equivalent antioxidant capacity
(TEAC) measurement. Results: rPER technique was able to reduce intestinal tissue TBARS levels
(p<0.0001), but no statistic difference was observed in blood levels
between groups, although it was verified similar results in rPER and Sham
group. rPER technique also enhanced TEAC levels in both blood (p = 0.0314)
and intestinal tissue (p = 0.0139), compared to IR group. Conclusions: rPER appears as the most promising technique to avoid IR injury. This
technique reduced TBARS levels in blood and intestinal tissue and promoted
the maintenance of antioxidant defense in mesenteric acute injury.
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Oti AT, Ribeiro Júnior RFG, Prado Pessôa TC, Cavalcante LCDC, Galvão LN, Monteiro AM, Suzuki Damasceno AVB, Couteiro RP, Chaves Costa CC, Yasojima EY. Inventions and Innovations Related to Better Results in Intestinal Anastomosis: a Patent Review. Int Arch Med 2021. [DOI: 10.3823/2635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objective: To evaluate new techniques and improvements in surgical instruments related to intestinal anastomosis procedures.
Methods: A search was conducted on the free database of patents from the National Institute of Industrial Patent Office (INPI) and The United States Patent and Trademark Office (USPTO). Were analyzed all occurrences between 2012 and 2016 related to experimental surgery and intestinal anastomosis. The requests for patents were examined individually and the data collected was the nationality of the applicant, if was physical (PP) or legal (LP) person and if was innovation or invention. At the end, a comparative analysis between the two institutions was performed.
Results: In INPI was found only 5 occurrences. All of them were deposited by legal entity and were inventions. In addition, only one was a national request. In USPTO database, 65 occurrences met the inclusion criteria. Of these, 48 were national applications and only 5 were filed by physical person.
Conclusion: More requests were found in US database, predominating national trustee and greater solicitation to inventions than Brazilian database. The main applications for patents are invention of surgical instruments, the development of new biological glues and improvement of mechanical sutures.
Keywords: patents, gastroenterology, surgical anastomosis.
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Yasojima EY, Domingues RJDS, Silva RC, Sousa LFFD, Trindade Júnior SC. Comparison of remote and local postconditioning against hepatic ischemic-reperfusion injury in rats. Acta Cir Bras 2021; 36:e360101. [PMID: 33533826 PMCID: PMC7853697 DOI: 10.1590/acb360101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 12/11/2020] [Indexed: 02/07/2023] Open
Abstract
Purpose: The aim of this study is to compare the hepatic protective effect of both
remote and local postconditioning (POS). Methods: Twenty-eight Wistar rats were assigned into four groups: sham group(SHAM),
ischemia-reperfusion group (IR), local ischemic POS group (lPOS) and remote
ischemic POS group (rPOS). Animals were subjected to liver ischemia for 30
min. Local ischemic POS group consisted of four cycles of 5 min liver
ischemia, followed by 5 min reperfusion (40 min). Remote ischemic POS group
consisted of four cycles of 5 min hind limb ischemia, followed by 5 min hind
limb perfusion after the main liver ischemia period. After 190 minutes
median and left liver lobes were harvested for biochemical and
histopathology analysis. Results: All the conditioning techniques were able to increase the level of
bothglutathione reductase and peroxidase, showing higher values in the rPOS
group when compared to the lPOS. Also, thiobarbituric acid reactive
substances were higher in all intervention groups when compared to SHAM, but
rPOS had the lower rates of increase, showing the best result. The
histopathology analysis showed that all groups had worst injury levels than
SHAM, but rPOS had lower degrees of damage when compared to the lPOS,
although it was not statistically significant. Conclusion: Remote postconditioning is a promising technique to reduce liver
ischemia-reperfusion injury, once it increased antioxidants substances and
reduced the damage.
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Carneiro ADA, Yasojima EY, Costa PLDS, Buhrnheim ME, Macedo B, Carneiro F. Use of Antioxidant Substances in Intestinal Anastomosis in Rats. Int Arch Med 2019. [DOI: 10.3823/2616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Intestinal anastomosis consist of surgical procedures which there is an anastomotic line between two intestinal segments in order to reconstruct or divert the digestive transit. However, several complications may result from this surgical procedure.
Objective: Present, describe and discuss the findings of the literature regarding substances capable of reducing injury and possible complications of intestinal anastomoses.
Method: The data were collected by literature review using the descriptors: "intestinal anastomoses", "antioxidants"; and as basis articles published in the published Scientific Electronic Library (Scielo), Lilacs, MedLine and Pubmed databases. Inclusion criteria were original and review articles published in full in the online form in the Portuguese, Spanish and English languages, using the descriptors mentioned above in the respective languages.
Results: Scientific articles were collected, in which 38 papers were included in the inclusion criteria.
Conclusions: The major parts of substances described in the present study demonstrated be statistically relevant results and the capacity to optimize the anastomotic healing.
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Teixeira RKC, Costa FLDS, Calvo FC, Santos DRD, Yasojima EY, Brito MVH. EFFECT OF COPAIBA OIL IN INTESTINAL MUCOSA OF RATS SUBMITTED TO HYPOVOLEMIC SHOCK. ACTA ACUST UNITED AC 2019; 32:e1451. [PMID: 31644671 PMCID: PMC6812147 DOI: 10.1590/0102-672020190001e1451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/16/2019] [Indexed: 02/10/2023]
Abstract
Background:
Hypovolemic shock is a common disease in polytrauma patients and may develop
ischemia in various organs, increasing morbidity and mortality. The bowel is
usually most affected by this condition.
Aim:
To evaluate the effects of copaiba oil on the intestinal mucosa’s injury of
rats submitted to hypovolemic shock.
Method:
Fifteen rats were divided into three groups: sham - simulated surgery;
ischemia - animals submitted to hypovolemic shock; and copaiba - animals
submitted to hypovolemic shock previously treated with copaiba oil. Mean
blood pressure, arterial blood gas after shock induction, degree of
intestinal lesion and villus length were evaluated.
Results:
The sham presented the lowest values of lactate and PaCO2 and the
highest values of mean arterial pressure, pH and bicarbonate in relation to
the other groups. The degree of mesenteric lesion was zero in the sham
group; 3.00±1.00 in the ischemia group; and 3.00±0.71 in the copaiba group.
The villus length was 173.60±8.42 in the sham, 142.77±8.33 in the ischemia
and 143.01±9.57 in the copaiba group. There was a significant difference
between the sham and the other groups (p<0.05); however, there not
significant difference between groups Ischemia and copaiba.
Conclusion:
Administration of copaiba oil did not reduce the intestinal mucosa lesion of
rats after hypovolemic shock.
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Affiliation(s)
| | | | - Faustino Chaves Calvo
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará, Belém, PA, Brazil
| | - Deivid Ramos Dos Santos
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará, Belém, PA, Brazil
| | - Edson Yuzur Yasojima
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará, Belém, PA, Brazil
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Góes AMDO, Yasojima EY, Chaves RHDF, de Albuquerque FBA. Improving a training model for vascular surgical techniques. J Vasc Bras 2019; 18:e20190032. [PMID: 31616493 PMCID: PMC6774658 DOI: 10.1590/1677-5449.190032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We describe a low-cost model for training vascular surgical techniques. The model is constructed from cylindrical latex balloons filled with gelatin and fixed to a board for support. Arterial sutures, end-to-side and end-to-end anastomoses, patch, vascular shunt placement, and thromboembolectomy were simulated.
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Affiliation(s)
| | - Edson Yuzur Yasojima
- Universidade Federal do Pará - UFPA, Belém, PA, Brasil.,Centro Universitário do Estado do Pará - CESUPA, Belém, PA, Brasil
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Santos DRD, Calvo FC, Feijó DH, Araújo NPD, Teixeira RKC, Yasojima EY. New training model using chickens intestine for pediatric intestinal anastomosis. Acta Cir Bras 2019; 34:e201900709. [PMID: 31531529 PMCID: PMC6756215 DOI: 10.1590/s0102-865020190070000009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 06/20/2019] [Indexed: 12/02/2022] Open
Abstract
Purpose: To develop a new low-cost, easy-to-make and available training model using chickens’ intestine for infant intestinal anastomosis. Methods: Segments of chicken intestine were used to create an intestinal anastomosis simulator. We tried to perform an end-to-end, end-to-side and side-to-side anastomosis. Handsewn sutured anastomosis were performed in single layered with interrupted prolene 5-0 suture. The parameters analyzed were cost, intestine's diameter and length, anastomosis patency and flow-through and leakage amount. Results: In all cases it was possible to make the anastomosis in double layered without difficulties, different from the usual ones. There was a positive patency at all anastomoses after the end of the procedure, with no need for reinterventions. Conclusion: The new training model using chickens’ intestine for infant intestinal anastomosis is low-cost, easy-to-make and easy available.
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Affiliation(s)
- Deivid Ramos Dos Santos
- Fellow Master degree, Postgraduate Program in Surgery and Experimental Research, Universidade do Estado do Pará (UEPA), Belem-PA, Brazil. Acquisition and interpretation of data; conception, design, intellectual and scientific content of the study; interpretation of data; manuscript writing
| | - Faustino Chaves Calvo
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript writing
| | - Daniel Haber Feijó
- Fellow Master degree, Postgraduate Program in Surgery and Experimental Research, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data
| | - Nayara Pontes de Araújo
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript writing
| | - Renan Kleber Costa Teixeira
- MS, Department of Experimental Surgery, School of Medicine, UEPA, Belem-PA, Brazil. Interpretation of data, statistics analysis, critical revision
| | - Edson Yuzur Yasojima
- PhD, Associate Professor, Department of Experimental Surgery, School of Medicine, UEPA, Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study, final revision
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Costa CCC, Pereira NG, Machado ALM, Dórea MA, Cruz RMMD, Silva RC, Domingues RJDS, Yasojima EY. Splenic ischemic preconditioning attenuates oxidative stress induced by hepatic ischemia-reperfusion in rats. Acta Cir Bras 2019; 34:e201900707. [PMID: 31531528 PMCID: PMC6756009 DOI: 10.1590/s0102-865020190070000007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 06/11/2019] [Indexed: 01/24/2023] Open
Abstract
Purpose: To evaluate the effects of splenic ischemic preconditioning (sIPC) on oxidative stress induced by hepatic ischemia-reperfusion in rats. Methods: Fifteen male Wistar rats were equally divided into 3 groups: SHAM, IRI and sIPC. Animals from IRI group were subjected to 45 minutes of partial liver ischemia (70%). In the sIPC group, splenic artery was clamped in 2 cycles of 5 min of ischemia and 5 min of reperfusion (20 min total) prior to hepatic ischemia. SHAM group underwent the same surgical procedures as in the remaining groups, but no liver ischemia or sIPC were induced. After 1h, hepatic and splenic tissue samples were harvested for TBARS, CAT, GPx and GSH-Rd measurement. Results: sIPC treatment significantly decreased both hepatic and splenic levels of TBARS when compared to IRI group (p<0.01). Furthermore, the hepatic and splenic activities of CAT, GPx and GSH- Rd were significantly higher in sIPC group than in IRI group. Conclusion: sIPC was able to attenuate hepatic and splenic IRI-induced oxidative stress.
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Affiliation(s)
- Caio César Chaves Costa
- Graduate student, Faculty of Medicine, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Nathalia Gabay Pereira
- Graduate student, Faculty of Medicine, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Anna Luiza Melo Machado
- Graduate student, Faculty of Medicine, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Mariana Albuquerque Dórea
- Graduate student, Faculty of Medicine, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Rafaella Macêdo Monteiro da Cruz
- Graduate student, Faculty of Medicine, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Renata Cunha Silva
- Fellow, Postgraduate Program in Surgery and Experimental Research, UEPA, Belem-PA, Brazil. Technical procedures, analysis and interpretation of data, manuscript preparation
| | - Robson José de Souza Domingues
- PhD, Full Professor, Department of Morphology and Physiological Sciences, UEPA, Belem-PA, Brazil. Scientific and intellectual content of the study, critical revision, final approval
| | - Edson Yuzur Yasojima
- PhD, Full Professor, Postgraduate Program in Surgery and Experimental Research, Universidade do Estado do Pará (UEPA), Belem-PA, Brazil. Conception, design, scientific and intellectual content of the study; critical revision; final approval
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Brito APSO, Yasojima EY, Mainardi CR, Rodrigues FMS, Da Silva WMP, Brito MVH. Ethical and Semiotechnique Skills Gain for Medical Students. Int Arch Med 2019. [DOI: 10.3823/2611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Aims: To evaluate ethical and semiotechnique skills gain with intensive semiotechnique course to graduate medical students.
Methods: Semiotics course was drawn up to 64 students of four medical courses of Belem, Para, Brazil. The course took place in two stages: the first for 32 students starting the third semester of the medical course, and the second for 32 students that started the internship. The course was taught intensively in two weekends, with didactic material prepared by the researchers. Pre-and post-training assessment was performed for verification of ethical skills needed in the doctor-patient relationship and the practical knowledge and skill in the technical implementation of the physical examination.
Results: The students of 2nd year, in the eight proposed stations, have an average gain of 85.84%, reaching individually in some stations an improvement up to 120% as "Precordium” and “painful maneuvers of the abdomen" stations. The students of the 5th year initial notes average was 6.06, evolving to 9.21, with average percentage of 54.42% gain. For matters of ethical principles in dealing with the patient was observed initial average 5.05 that after the course has evolved to 9.36 to students of 2nd year and 6.16 to 9.60 in fifth year. In the evaluation of performance in implementing the semiotechnique maneuvers were observed initial notes of 4.76 and 5.95 to 8.51 and 8.82 respectively for students of 2nd and 5th year.
Conclusion: The intensive course implemented proved to be effective in semiotechnique skills gain, both in improving ethical attitudes in dealing with the patient, as well as on the playing technique of physical examination.
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Teixeira RKC, Santiago LDA, Sasaki YDA, Yamaki VN, Feijó DH, Brito MVH, Yasojima EY, Petroianu A. INFLUENCE OF SPLENIC IMPLANTS IN THE SUBCUTANEOUS TISSUE ON ASPLENIC ANIMALS SURVIVAL. Arq Bras Cir Dig 2018; 31:e1364. [PMID: 29972392 PMCID: PMC6044191 DOI: 10.1590/0102-672020180001e1364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 03/15/2018] [Indexed: 11/22/2022]
Abstract
Background: The best site for splenic implant was not defined, mainly evaluating the
functionality of the implant. Aim: To evaluate the effects of autogenous splenic implantation on the
subcutaneous tissue in the survival of splenectomized rats. Method: Twenty-one randomly assigned rats were studied in three groups (n=7): group 1
- manipulation of the abdominal cavity and preservation of the spleen; group
2 - total splenectomy; group 3 - splenectomy and implant of the tissue
removed in the subcutaneous. The animals were followed for 90 days
postoperatively. Results: There was a higher mortality in groups 2 (p=0.0072) and 3 (p=0.0172) in
relation to group 1. There was no difference between groups 2 and 3
(p=0.9817). Conclusion: The splenic implant in the subcutaneous is ineffective in the survival of
rats submitted to splenectomy.
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Affiliation(s)
- Renan Kleber Costa Teixeira
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | - Laryssa de Aquino Santiago
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | - Yan de Assis Sasaki
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | - Vitor Nagai Yamaki
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | - Daniel Haber Feijó
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | | | - Edson Yuzur Yasojima
- Laboratório de Cirurgia Experimental da Faculdade de Medicina da Universidade Estadual do Pará - UEPA, Belém, PA
| | - Andy Petroianu
- Universidade Federal de Minas Gerais - UFMG, Minas Gerais, MG, Brazil
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Ribeiro Júnior RFG, Couteiro RP, Monteiro AM, Rodrigues IADS, Cavalcante LCDC, Gouveia EHH, Galvão LN, Lopes LRO, Yasojima EY, Brito MVH. Perconditioning associated to hypertonic saline solution on liver function improvement after ischemia/reperfusion injury. Acta Cir Bras 2017; 32:949-955. [DOI: 10.1590/s0102-865020170110000006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 10/27/2017] [Indexed: 01/14/2023] Open
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Yamaki IN, Pontes RVS, Costa FLDAS, Yamaki VN, Teixeira RKC, Yasojima EY, Brito MVH. Kidney ischemia and reperfunsion syndrome: effect of lidocaine and local postconditioning. Rev Col Bras Cir 2017; 43:348-353. [PMID: 27982328 DOI: 10.1590/0100-69912016005012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 09/01/2016] [Indexed: 11/21/2022] Open
Abstract
Objective: to evaluate the effects of blocking the regulation of vascular tone on the ischemia and reperfusion syndrome in rats through the use of lidocaine in the postconditioning technique. Methods: we randomized 35 rats into seven groups of five animals: Group 1- Control; Group 2- Ischemia and Reperfusion; Group 3- Ischemia, Reperfusion and Saline; Group 4- Ischemic Postconditioning; Group 5- Ischemic Postconditioning and Saline; Group 6- Lidocaine; Group 7- Ischemic Postconditioning and Lidocaine. Except for the control group, all the others were submitted to renal ischemia for 30 minutes. In postconditioning groups, we performed ischemia and reperfusion cycles of five minutes each, applied right after the main ischemia. In saline and lidocaine groups, we instilled the substances at a rate of two drops per minute. To compare the groups, we measured serum levels of urea and creatinine and also held renal histopathology. Results: The postconditioning and postconditioning + lidocaine groups showed a decrease in urea and creatinine values. The lidocaine group showed only a reduction in creatinine values. In histopathology, only the groups submitted to ischemic postconditioning had decreased degree of tubular necrosis. Conclusion: Lidocaine did not block the effects of postconditioning on renal ischemia reperfusion syndrome, and conferred better glomerular protection when applied in conjunction with ischemic postconditioning. Objetivo: avaliar os efeitos do bloqueio da regulação do tônus vascular por meio do uso da lidocaína na técnica de pós-condicionamento isquêmico na síndrome de isquemia e reperfusão renal em ratos. Métodos: trinta e cinco ratos foram randomizados em sete grupos de cinco animais: Grupo 1- Controle; Grupo 2- Isquemia e Reperfusão; Grupo 3- Isquemia, Reperfusão e Solução Salina; Grupo 4- Pós-condicionamento Isquêmico; Grupo 5- Pós-condicionamento Isquêmico e Solução Salina; Grupo 6- Lidocaína; Grupo 7- Pós-condicionamento Isquêmico e lidocaína. Com exceção do grupo controle, todos os demais foram submetidos à isquemia renal de 30 minutos. Nos grupos de pós-condicionamento, foi realizado o ciclo de isquemia e reperfusão de cinco minutos cada, aplicado logo após a isquemia principal. Nos grupos salina e lidocaína foram instiladas as substâncias numa taxa de duas gotas por minuto. Para comparar os grupos, foram dosados os níveis séricos de ureia e creatinina e análise histopatológica renal. Resultados: os grupos pós-condicionamento e pós-condicionamento + lidocaína apresentaram uma redução nos valores de ureia e creatinina. O grupo lidocaína apresentou apenas uma redução nos valores de creatinina. Na análise histopatológica, apenas os grupos submetidos ao pós-condicionamento isquêmico apresentaram redução do grau de necrose tubular. Conclusão: a lidocaína não bloqueou os efeitos do pós-condicionamento na síndrome de isquemia e reperfusão renal, mas conferiu melhor na proteção glomerular quando aplicada em conjunto com o pós-condicionamento isquêmico.
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Affiliation(s)
- Igor Nagai Yamaki
- Faculty of Medicine, Pará University Center (CESUPA), Belém, PA, Brazil
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Alves de Souza BA, Braga LA, Oliveira Lopes LR, Ribeiro Júnior RFG, Do Nascimento LNS, Cavalcante LCDC, Monteiro AM, Couteiro RP, Yasojima EY, Hamoy M. Effects of Andiroba oil (Carapa guianensis) on wound healing in alloxan-diabetic rats. Int Arch Med 2017. [DOI: 10.3823/2533] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Purpose: To evaluate wound healing in diabetic rats by using topic Andiroba oil (Carapa guianensis).
Methods: Six male, adult, Wistar rats were distributed into three groups: Sham group (wound treatment with distilled water); Collagenase group (treatment with collagenase ointment); and Andiroba group (wound treatment with Andiroba oil). The wound was evaluated considering the macroscopic and microscopic parameters.
Results: The results indicated differences in the healing of incisional wounds between treatments when compared to control group. Accelerated wound healing was observed in the group treated with Andiroba oil and Collagenase in comparison to control group, especially after the 14th day. Morphometric data confirmed the structural findings.
Conclusion: There was significant effect in topical application of Andiroba oil on wound healing in rats with induced diabetes.
Keywords: Medicinal plants. Diabetes Mellitus. Wound healing. Rats.
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Costa FLDS, Yamaki VN, Teixeira RKC, Feijó DH, Valente AL, Carvalho LTFD, Yasojima EY, Brito MVH. Perconditioning combined with postconditioning on kidney ischemia and reperfusion. Acta Cir Bras 2017; 32:599-606. [PMID: 28902935 DOI: 10.1590/s0102-865020170080000001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 07/17/2017] [Indexed: 11/22/2022] Open
Abstract
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. Perconditioning consisted of 3 cycles of 5 min hindlimb ischemia followed by 5 min of hindlimb perfusion contemporaneously to renal major ischemic period. After 24 hours, kidney was harvested and blood collected to measure urea and creatinine. Results: Perconditioning obtained better values for creatinine and urea level than only postconditioning (p<0.01); performing both techniques contemporaneously had no increased results (p>0.05). Regarding tissue structure, perconditioning was the only technique to protect the glomerulus and tubules (p<0.05), while postconditioning protected only the glomerulus (p<0.05). Combination of both techniques shows no effect on glomerulus or tubules (p>0.05). Conclusions: Perconditioning had promising results on ischemia and reperfusion induced kidney injury, enhanced kidney function and protected glomerulus and tubules. There was no additive protection when postconditioning and perconditioning were combined.
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Affiliation(s)
- Felipe Lobato da Silva Costa
- MD, Department of Experimental Surgery, School of Medicine, Universidade do Estado do Pará (UEPA), Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study; interpretation of data; manuscript writing
| | - Vitor Nagai Yamaki
- MD, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, statistical analysis
| | - Renan Kleber Costa Teixeira
- Fellow Master degree, Department of Experimental Surgery, UEPA, Belem-PA, Brazil. Interpretation of data, manuscript writing, critical revision
| | - Daniel Haber Feijó
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Interpretation of data, manuscript preparation
| | - André Lopes Valente
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript preparation
| | - Luan Teles Ferreira de Carvalho
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript preparation
| | - Edson Yuzur Yasojima
- PhD, Associate Professor, Department of Experimental Surgery, School of Medicine, UEPA, Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study; critical revision
| | - Marcus Vinicius Henriques Brito
- PhD, Full Professor, Department of Experimental Surgery, School of Medicine, UEPA, Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study; critical revision
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Oti AT, Galvão LN, Pessoa TCP, Rocha CRDO, Monteiro AM, Fonteles MJP, Brito MVH, Yasojima EY. Development of a laparoscopic training model using a smartphone. Rev Col Bras Cir 2017; 44:471-475. [DOI: 10.1590/0100-69912017005008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 06/01/2017] [Indexed: 01/08/2023] Open
Abstract
ABSTRACT Objective: to develop a model of training in video-surgery, of low cost and that uses a smartphone as an image-generating source. Methods: We developed a 38cm high, 40cm wide, 40cm long hexagonal-shaped training box, with a front opening of 12x8 cm for coupling the smartphone. The internal illumination is made with LED lamps and for the support of the smartphone, we used a selfie stick, fixed in the upper part of the box, that allows control of height, distance, angulation, and the coupling of devices with different formats. We selected 20 undergraduate students without previous training in video-surgery, who performed four exercises in the box, with assessment of the time and amount of errors in the execution of the tasks. Each student completed the training for three consecutive weeks. We collected the data in spreadsheets for later analysis. Results: Nineteen students completed the training program, with significant improvement in the times and in the number of errors. Conclusion: the developed model was feasible and promoted the acquisition of skills in this group of students. In addition, it presents low cost, is portable and uses common equipment, such as smartphones.
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Henriques Brito MV, Yasojima EY, Ribeiro Júnior RFG, Pinto LC, Dos Santos Carballo MC, Monteiro AM, Couteiro RP, Ribeiro CM, De Oliveira Rocha CR, Da Costa Cavalcante LC. Matrix Microparticles Of Copaiba Oil (Copaifera Langsdorffii) On Renal Physiology: Patent Review. Int Arch Med 2017. [DOI: 10.3823/2511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
PURPOSE: to demonstrate the effect of matrix microparticles of Copaifera langsdorffii (aerial parts of copaiba), aiming to evaluate the discussions and results of the works that demonstrate Its function on the kidneys as well as its effectiveness.
METHODS: A bibliographic study was carried out by consulting public online databases of patents, such as the United States Patent and Trademark office, World Intellectual Property Organization and the National Intellectual Property Institute; The following keywords were used: copaiba oil, renal function, kidney, kidney stones, matrix microparticles Copaifera langsdorffii and lithiasis. In this study were included patents of invention, innovations and utility models in the period from January 2007 to May 2016.
RESULTS: One patent register was included regarding a method for obtaining microparticles and compounds, having antilithiasic, analgesic, antispasmodic, anti-inflammatory, diuretic and antiseptic activity.
CONCLUSION: The patent registry survey demonstrates the possibility of beneficial action of matrix microparticles Copaifera langsdorffii on renal physiology, acting as antilithiasis and even with diuretic properties, thus opening up new possibilities of research of this substance on renal physiology.
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21
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Chaves RO, de Oliveira PAV, Rocha LC, David JPF, Ferreira SC, Santos ADASD, Melo RMDS, Yasojima EY, Brito MVH. An Innovative Streaming Video System With a Point-of-View Head Camera Transmission of Surgeries to Smartphones and Tablets: An Educational Utility. Surg Innov 2017. [DOI: 10.1177/1553350617715162] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose: In order to engage medical students and residents from public health centers to utilize the telemedicine features of surgery on their own smartphones and tablets as an educational tool, an innovative streaming system was developed with the purpose of streaming live footage from open surgeries to smartphones and tablets, allowing the visualization of the surgical field from the surgeon’s perspective. The current study aims to describe the results of an evaluation on level 1 of Kirkpatrick’s Model for Evaluation of the streaming system usage during gynecological surgeries, based on the perception of medical students and gynecology residents. Methods: Consisted of a live video streaming (from the surgeon’s point of view) of gynecological surgeries for smartphones and tablets, one for each volunteer. The volunteers were able to connect to the local wireless network, created by the streaming system, through an access password and watch the video transmission on a web browser on their smartphones. Then, they answered a Likert-type questionnaire containing 14 items about the educational applicability of the streaming system, as well as comparing it to watching an in loco procedure. This study is formally approved by the local ethics commission (Certificate No. 53175915.7.0000.5171/2016). Results: Twenty-one volunteers participated, totalizing 294 items answered, in which 94.2% were in agreement with the items affirmative, 4.1% were neutral, and only 1.7% answers corresponded to negative impressions. Cronbach’s α was .82, which represents a good reliability level. Spearman’s coefficients were highly significant in 4 comparisons and moderately significant in the other 20 comparisons. Conclusions: This study presents a local streaming video system of live surgeries to smartphones and tablets and shows its educational utility, low cost, and simple usage, which offers convenience and satisfactory image resolution, thus being potentially applicable in surgical teaching.
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Affiliation(s)
- Rafael Oliveira Chaves
- Federal University of Pará (UFPA), Belém-PA, Brazil
- State University of Pará (UEPA), Belém-PA, Brazil
| | | | | | | | - Sanmari Costa Ferreira
- State University of Pará (UEPA), Belém-PA, Brazil
- Holy House of Mercy Foundation of Pará (FSCMPA), Belém-PA, Brazil
| | | | | | - Edson Yuzur Yasojima
- Federal University of Pará (UFPA), Belém-PA, Brazil
- State University of Pará (UEPA), Belém-PA, Brazil
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Da Costa Cavalcante LC, Prado Pessôa TC, Gonçalves Ribeiro Júnior RF, Yasojima EY, De Figueiredo Chaves Soares RH, Henriques Brito MV, Herbster Gouveia EH, Nascimento Galvão L, Rodrigues Ramos S, Almeida Carneiro AK, Amaral Serruya YA, Malta de Moraes M. Healing incisional surgical wounds using Rose Hip oil in rats. Int Arch Med 2017. [DOI: 10.3823/2309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Purpose: To evaluate incisional surgical wound healing in rats by using Rose Hip (Rosa rubiginosa L.) oil.
Methods: Twenty-one days after the oophorectomy procedure, twenty-seven female, adult, Wistar rats were distributed into three groups: Control group (wound treatment with distilled water); Collagenase group (treatment with collagenase ointment); and Rose Hip group (wound treatment with Rose Hip oil). Each group was distributed according to the date of euthanasia: 7, 14 and 21 days. The wound was evaluated considering the macroscopic and microscopic parameters.
Results: The results indicated differences in the healing of incisional wounds between treatments when compared to control group. Accelerated wound healing was observed in the group treated with Rose Hip oil in comparison to the control and collagenase, especially after the 14th day. Morphometric data confirmed the structural findings.
Conclusion: There was significant effect in topical application of Rose Hip oil on incisional surgical wound healing.
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Brito MVH, Yasojima EY, Percário S, Ribeiro Júnior RFG, Cavalcante LCDC, Monteiro AM, Couteiro RP, Rodrigues IADS, Santos HAGD. Effects of hypertonic saline solution associated to remote ischemic perconditioning in kidney ischemia/reperfusion injury in rats. Acta Cir Bras 2017; 32:211-218. [DOI: 10.1590/s0102-865020170030000005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 02/22/2017] [Indexed: 11/22/2022] Open
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Ohashi CM, Caldeira FAM, Feitosa-Junior DJS, Valente AL, Dutra PRW, Miranda MDS, Santos SDSD, Brito MVH, Ohashi OM, Yasojima EY. Stem cells from adipose tissue improve the time of wound healing in rats. Acta Cir Bras 2017; 31:821-825. [PMID: 28076506 DOI: 10.1590/s0102-865020160120000007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/21/2016] [Indexed: 01/12/2023] Open
Abstract
PURPOSE: To evaluate the Adipose Stem Cells (ACS) therapy efficacy on the time and quality of wound healing process in rats. METHODS: Nine male Wistar rats were randomly distributed into three groups I) 7 days of healing; II) 14 days of healing; III) 21 days of healing. Four incisions were made on the dorsal surface of each rat and then treated with intralesional ACS, meloxicam, and no treatment and ACS+meloxicam. Macroscopic evaluation was measured by percentage of healing and histopathological by hematoxylin-eosin was performed. RESULTS: All groups have the wound reduced during the three weeks (p<0.001) and after 14 days of healing had greater reduction than others. Wounds treated with ASC had accelerated healing in relation to no treatment and only meloxicam (p<0.001), excepting the ASC+Meloxicam that was similar (p=0.13). There was no difference in histopathological analysis between lesions. CONCLUSION: Adipose stem cell have benefits in reducing time of healing of experimental model of wound in rats, observed 7 days of after application.
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Affiliation(s)
- Camila Melo Ohashi
- MD, Department of Surgery, Universidade Federal do Pará (UFPA), Belem-PA, Brazil. Technical procedures, acquisition and interpretation of data, manuscript writing
| | - Fabio Alves Morikawa Caldeira
- MD, Department of Surgery, Universidade Federal do Pará (UFPA), Belem-PA, Brazil. Technical procedures, acquisition and interpretation of data, manuscript writing
| | - Denilson José Silva Feitosa-Junior
- Graduate student, Department of Integrated Health, Universidade Estadual do Pará (UEPA), Belem-PA, Brazil. Technical procedures, manuscript preparation
| | - André Lopes Valente
- Graduate student, Department of Integrated Health, Universidade Estadual do Pará (UEPA), Belem-PA, Brazil. Technical procedures, manuscript preparation
| | | | - Moysés Dos Santos Miranda
- PhD, Associate Professor, Department of Biological Sciences, UFPA, Belem-PA, Brazil. Interpretation of data, critical revision
| | | | - Marcus Vinicius Henriques Brito
- PhD, Full Professor, Department of Integrated Health, UEPA, Belem-PA, Brazil. Technical procedures, interpretation of data, critical revision
| | - Otávio Mitio Ohashi
- PhD, Associate Professor, Department of Biological Sciences, UFPA, Belem-PA, Brazil. Interpretation of data, critical revision
| | - Edson Yuzur Yasojima
- PhD, Associate Professor, Department of Surgery, UFPA, Belem-PA, Brazil. Scientific and intellectual content of the study, interpretation of data, critical revision
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Brito MVH, Yasojima EY, Machado AA, Silveira MPPR, Teixeira RKC, Yamaki VN, Costa FLDS. DIFFERENT PROTOCOLS OF POSTCONDITIONING DOES NOT ATTENUATE MESENTERIC ISCHEMIA-REPERFUSION INJURY AFTER SHORT-TERM REPERFUSION. Arq Bras Cir Dig 2017; 30:27-29. [PMID: 28489164 PMCID: PMC5424682 DOI: 10.1590/0102-6720201700010008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 01/10/2017] [Indexed: 11/21/2022]
Abstract
Background Mesenteric ischemia is a challenging diagnosis. Delay in diagnosis can lead to extent bowel necrosis and poor outcomes. Ischemia and reperfusion syndrome plays an important role in this scenario. Aim To access effects of different post-conditioning cycles on mesenteric ischemia-reperfusion syndrome. Method Twenty-five rats were assigned into five groups: Sham, used to establish normal parameters; control group, submitted to mesenteric ischemia for 30 min; in groups GP3, GP1 and GP30, ischemia was followed by post-conditioning protocol, which consisted of 1 cycle of 3 min (GP3), 3 cycles of 1 min (GP1) or 6 cycles of 30 s (GP30), respectively. Ileum samples were harvested after one hour of reperfusion. Intestinal mucosal injury was evaluated through histopathological analysis. Results The average of mesenteric injury degree was 0 in the sham group, 3.6 in the control group, 3.4 in GP3, 3.2 in GP1, and 3.0 in GP30; villous length average was 161.59 in sham group, 136.27 in control group, 135.89 in GP3, 129.46 in GP1, and 135.18 in GP30. Was found significant difference between sham and other groups (p<0.05); however, there was no difference among post-conditioning groups. Conclusion Post-conditioning adopted protocols were not able to protect intestinal mucosa integrity after mesenteric ischemia and short term reperfusion.
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Affiliation(s)
| | - Edson Yuzur Yasojima
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará - UEPA, Belém, PA, Brazil
| | - Andressa Abnader Machado
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará - UEPA, Belém, PA, Brazil
| | | | | | - Vitor Nagai Yamaki
- Laboratory of Experimental Surgery, Faculty of Medicine, State University of Pará - UEPA, Belém, PA, Brazil
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Brito MVH, Botelho NM, Yasojima EY, Teixeira RKC, Yamaki VN, Feijó DH, Yamaki IN, Mainardi CR. Publication rate of abstracts presented in a Brazilian experimental surgery congress. Acta Cir Bras 2016; 31:694-697. [PMID: 27828604 DOI: 10.1590/s0102-865020160100000009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 09/28/2016] [Indexed: 11/22/2022] Open
Abstract
PURPOSE: To verify the publication rate of the abstracts presented at the XII Brazilian Congress of Experimental Surgery. METHODS: We performed a cross-sectional study that evaluated if the abstracts accepted for presentation at the XII Brazilian Congress of Experimental Surgery were published in periodics. The information was acquired using the Scielo, Medline / Pubmed, LILACS and Google Scholar databases. RESULTS: From all the abstracts presented, only 77 (40.52%) were published in scientific journals. Of this total, 14 (18.18%) were published prior to the conference 35 (45.45%) in the same year that occurred congress, 56 (72.72%) in the period 2011-2013 and 63 (81, 81%) between the Congress and the year 2015. Regarding the geographical distribution of summaries, 42 (22%) were from the northern region, 19 (10%) from the Northeast, 8 (4%) Midwest, 116 (61%) from the Southeast and 5 (3%) from the south. CONCLUSION: The publication rate of the abstracts presented at the XII Brazilian Congress of Experimental Surgery was 40,52%, most from the state of Sao Paulo.
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Affiliation(s)
- Marcus Vinicius Henriques Brito
- PhD, Full Professor, Department of Experimental Surgery, School of Medicine, Universidade do Estado do Pará (UEPA), Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study; critical revision
| | - Nara Macedo Botelho
- PhD, Full Professor, Department of Gynecology and Obstetrics, School of Medicine, UEPA, Belem-PA, Brazil. Critical revision
| | - Edson Yuzur Yasojima
- PhD, Associate Professor, Department of Experimental Surgery, School of Medicine, UEPA, Belem-PA, Brazil. Critical revision
| | - Renan Kleber Costa Teixeira
- Fellow Master degree, Postgraduate Program in Surgery and Experimental Research, UEPA, Belem-PA, Brazil. Conception, design, intellectual and scientific content of the study; interpretation of data; manuscript writing
| | - Vitor Nagai Yamaki
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, statistical analysis
| | - Daniel Haber Feijó
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Manuscript preparation, interpretation of data
| | - Igor Nagai Yamaki
- MD, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript writing
| | - Carolina Ribeiro Mainardi
- Graduate student, School of Medicine, UEPA, Belem-PA, Brazil. Acquisition and interpretation of data, manuscript preparation
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Yasojima EY, Teixeira RKC, Houat ADP, Costa FLDS, Yamaki VN, Feitosa-Junior DJS, Silva CAM, Brito MVH. Copaiba oil influences ventral hernia repair with Vicryl® mesh? Arq Bras Cir Dig 2016; 28:186-9. [PMID: 26537143 PMCID: PMC4737359 DOI: 10.1590/s0102-67202015000300010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 06/16/2015] [Indexed: 12/05/2022]
Abstract
Background: The use of meshes in hernia surgical repair promoted revolution in the surgical
area; however, some difficulties had come, such as a large area of fibrosis,
greater postoperative pain and risk of infection. The search for new substances
that minimize these effects should be encouraged. Medicinal plants stand out due
possible active ingredients that can act on these problems. Aim: To check the copaiba oil influence in the repair of abdominal defects in rats
corrected with Vicryl(c) mesh. Method: Twenty-four Wistar rats were submitted to an abdominal defect and corrected with
Vicryl(c) mesh. They were distributed into two groups: control and
copaíba via gavage, administered for seven days after surgery. The analysis of the
animals took place on 8, 15 and 22 postoperative days. It analyzed the amount of
adhesions and microscopic analysis of the mesh. Results: There was no statistical difference regarding the amount of adhesions. All animals
had signs of acute inflammation. In the control group, there were fewer
macrophages in animals of the 8th compared to other days and greater
amount of necrosis on day 8 than on day 22. In the copaiba group, the number of
gigantocytes increased compared to the days analyzed. Conclusion: Copaiba oil showed an improvement in the inflammatory response accelerating its
beginning; however, did not affect the amount of abdominal adhesions or collagen
fibers.
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Affiliation(s)
- Edson Yuzur Yasojima
- Laboratório de Cirurgia Experimental, Faculdade de Medicina, Universidade Estadual do Pará, Belém, PA, Brazil
| | - Renan Kleber Costa Teixeira
- Laboratório de Cirurgia Experimental, Faculdade de Medicina, Universidade Estadual do Pará, Belém, PA, Brazil
| | - Abdallah de Paula Houat
- Laboratório de Cirurgia Experimental, Faculdade de Medicina, Universidade Estadual do Pará, Belém, PA, Brazil
| | | | - Vitor Nagai Yamaki
- Laboratório de Cirurgia Experimental, Faculdade de Medicina, Universidade Estadual do Pará, Belém, PA, Brazil
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Nagai Yamaki V, Costa Teixeira RK, Herbster Gouveia EH, Haber Feijó D, Silva Feitosa Junior DJ, Lopes Valente A, Teles Ferreira de Carvalho L, Yuzur Yasojima E, Henriques Brito MV. Aloe vera delays mortality, but does not attenuate kidney injury in septic mices. Int Arch Med 2016. [DOI: 10.3823/2128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Herbster Gouveia EH, Fernando R, Britto MV, Yuzur Yasojima E, Mileo Ferraioli A, Moraes Monteiro A, Rodrigues IA, Oliveira Gonçalves L, Oliveira Lopes LR. Effects of Veronica officinalis extract in the kidney of rats with induced sepsis. Int Arch Med 2016. [DOI: 10.3823/2190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Yasojima EY, Ribeiro Júnior RFG, Pessôa TCP, Cavalcante LCDC, Ramos SR, Serruya YAA, de Moraes MM. Effects of nitrofurazone on correction of abdominal wall defect treated with polypropylene mesh involved by fibrous tissue. Acta Cir Bras 2015; 30:686-90. [PMID: 26560427 DOI: 10.1590/s0102-865020150100000006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 09/18/2015] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To evaluate the effects of nitrofurazone on the correction of abdominal wall defect treated with polypropylene mesh involved by fibrous tissue in rats. METHODS A defect in the abdominal wall was created and corrected with polypropylene mesh in 20 rats. They were randomly distributed into four groups: control, fibrous mesh, nitrofurazone and nitrofurazone dip in the mesh. Euthanasia was performed in 21 post-operative days. The healing process was analyzed regarding the meshes and macroscopic and microscopic aspects. RESULTS All animals had adhesions. However, no statistically significant difference (p>0.05) when compared between groups. Similarly microscopic analysis, in which there was no statistical significance level for the evaluated parameters such as mono and polymorphonuclear lymphocytes, granuloma, fibrosis, necrosis and collagen proliferation. CONCLUSION There was no significant effect on the abdominal wall defect repair with polypropylene mesh surrounded by fibrous tissue when dipped in nitrofurazone 2%.
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Brito MVH, Yasojima EY, Teixeira RKC, Houat ADP, Yamaki VN, Costa FLDS. Fasting does not induce gastric emptying in rats. Acta Cir Bras 2015; 30:165-9. [PMID: 25790003 DOI: 10.1590/s0102-865020150030000001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 02/16/2015] [Indexed: 11/21/2022] Open
Abstract
PURPOSE To evaluate the effect of fasting on gastric emptying in mice. METHODS Twenty-eight mice were distributed into three study groups: a normal group (N=4): normal standard animals; a total fasting group (N=12): subjected to food and water deprivation and a partial fasting group (N=12): subjected to food deprivation only. The fasting groups were subdivided into three subgroups of four animals each, according to the date of euthanasia: 24, 48 and 72 hours. Was analyzed: the gastric volume, degree of the gastric wall distention and the presence of food debris in gastrointestinal tract. RESULTS The mean gastric volume was 1601 mm3 in the normal group, 847 mm3 in total fasting group and 997 mm3 in partial fasting group. There was difference between the fasting groups in any analyzed period (p<0.05). Regarding the presence of food debris in the gastrointestinal tract and the degree of distension of the stomach, there was no difference between the groups that underwent total or partial fasting (p>0.05). CONCLUSION Total fasting or only-solids deprivation does not induce gastric emptying in mice.
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Deprá Tiussi L, Silva Nascimento M, da Silva Costa FL, de Souza Corrêa AC, Costa Teixeira RK, Avelar Pires CA, Yasojima EY. Collagenase cream in non-stitched skin wounds after punch biopsy. Int Arch Med 2015. [DOI: 10.3823/1792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Brito MVH, Costa FD, Vasconcelos DMD, Costa LAV, Yasojima EY, Teixeira RKC, Yamaki VN. Attenuation of copaiba oil in hepatic damage in rats. Acta Cir Bras 2014; 29:776-80. [DOI: 10.1590/s0102-86502014001900002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 10/13/2014] [Indexed: 08/30/2023] Open
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Brito MVH, Yasojima EY, Silveira EL, Yamaki VN, Teixeira RKC, Feijó DH, Gonçalves TB. New experimental model of exposure to environmental tobacco smoke. Acta Cir Bras 2014; 28:815-9. [PMID: 24316853 DOI: 10.1590/s0102-86502013001200002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 11/18/2013] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To describe a new model to passive smoking for rodents. METHODS Twenty rats were distributed into two study groups (N=10): control group (CG), that was not exposed to tobacco smoke and used as normal standard for biochemical and histological analysis; Experimental Group (EG), that Animals were exposed to the passive smoking; Euthanasia was performed after 14 days of exposure. The serum level of nicotine and histological analysis were performed. RESULTS There was a statistical difference on the nicotine serum levels between Experimental and Control group, with level of 286 ± 23 nanograma/mL in the EG and undetectable on CG (p<0.01). The histological study suggested the model efficacy producing alveolar destruction and emphysema in the EG compared with the insignificant lesions in the CG's lung. CONCLUSION The model of exposure to environmental tobacco smoke for rodents induced easily the changes related to secondhand smoke.
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Costa FLDS, Tiussi LD, Nascimento MS, Corrêa ACDS, Yasojima EY, Pires CAA. Diclofenac topical gel in excisional wounds maintain heal quality and reduce phlogistic signals1. Acta Cir Bras 2014; 29:328-33. [DOI: 10.1590/s0102-86502014000500007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 03/19/2014] [Indexed: 11/22/2022] Open
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Yasojima EY, Teixeira RKC, Houat ADP, Costa FLDS, Silveira EL, Brito MVH, Lopes Filho GDJ. Effect of copaiba oil on correction of abdominal wall defect treated with the use of polypropylene/polyglecaprone mesh. Acta Cir Bras 2013; 28:131-5. [PMID: 23370927 DOI: 10.1590/s0102-86502013000200008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 12/19/2012] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To evaluate the effects of copaiba oil on the correction of abdominal defect treated with the use of polypropylene/polyglecaprone mesh in rats. METHODS A defect in the abdominal wall was created and corrected with polypropylene/polyglecaprone mesh in 36 rats. They were randomly distributed into three groups: control, copaiba by oral administration (gavage) and copaiba oil dip in the mesh. Euthanasia was performed after seven, 14 and 21 post-operative days. The healing process was analyzed regarding the meshes and macroscopic and microscopic aspects. RESULTS All animals had abdominal adhesions, which were smaller in the copaiba (gavage) group (p<0.05). In microscopy, all animals had an acute inflammation stage and the inflammatory response was best characterized by foreign body-type granulomas around the mesh fragments, which was not found in the mesh fragments within the copaiba dip group. There was a greater area of necrosis and fibrosis in the copaiba dip group compared to the control group (p<0.05). The copaiba (gavage) group had a greater quantity of collagen fibers compared to the control group. CONCLUSION Copaiba oil administered by gavage decreased the amount of abdominal adhesions, besides accelerating the process of collagen fibers formation, without damages within the early stages of healing. However, when used by dip directly on the mesh, it had corrosive effects compromising the healing process of the abdominal wall.
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Teixeira RKC, Yamaki VN, Yasojima EY, Brito MVH. Effect of copaiba oil in hepatic damage induced by acetaminophen in rats. Acta Cir Bras 2013; 28:526-30. [DOI: 10.1590/s0102-86502013000700008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 06/13/2013] [Indexed: 11/22/2022] Open
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Abstract
OBJETIVO: Analisar os resultados de colangiografias peroperatórias (CPO), realizadas sistematicamente durante colecistectomias videolaparoscópicas (CVL). MÉTODO: No período de janeiro de 1998 a dezembro de 1999, foram realizadas CVL em 250 pacientes não selecionados, 65 (26%) do sexo masculino e 185 (74%) do sexo feminino, independente da presença ou não de sinais clínicos, laboratoriais, ultra-sonográficos ou de outros métodos diagnósticos, indicativos de coledocolitíase ou outras doenças da via biliar principal. RESULTADOS: A CPO pôde ser realizada em 237 (94,6%) pacientes. Foram encontradas 31 (13%) alterações, entre as quais seis (2,5%) casos de coledocolitíase e 25 (10,5%) casos de anomalias anatômicas. CONCLUSÃO: A CPO, durante a CVL, mostrou-se um procedimento seguro, sem complicações relacionadas ao exame, definindo a anatomia, prevenindo as lesões biliares e permitindo a detecção de coledocolitíase insuspeitada.
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Yasojima EY, Hage PAM, Valente TODN. Anomalia da via biliar extra-hepática. Rev Col Bras Cir 2002. [DOI: 10.1590/s0100-69912002000100014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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