YURI JUSTI JARDIM
Projetos de Pesquisa
Unidades Organizacionais
LIM/02 - Laboratório de Anatomia Médico-Cirúrgica, Hospital das Clínicas, Faculdade de Medicina
7 resultados
Resultados de Busca
Agora exibindo 1 - 7 de 7
- Gastric fundus submucosa as a site for islets transplantation: An experimental study(2018) MESQUITA, Gustavo Heluani Antunes de; JARDIM, Yuri Justi; IUAMOTO, Leandro Ryuchi; SUGUITA, Fabio Yuji; ESSU, Felipe Futema; OLIVEIRA, Lucas Torres; MEYER, Alberto; CRESCENZI, Alessandra; ROCHA-SANTOS, Vinicius; GALVAO, Flavio H. F.; ANDRAUS, Wellington; CHAIB, Eleazar; D'ALBUQUERQUE, Luiz Augusto CarneiroBackground: Islets of Langerhans transplantation is a promising alternative for glycemic control in patients with type 1 diabetes. The graft site is a factor that has large impact on the functioning of this transplant, and the stomach appears to be a promising location. Our objective is to describe a new experimental model for the grafting of Islets of Langerhans in rat stomachs. Methodology: Islets of Langerhans were extracted from 45 isogenic male rats of the Lewis lineage and transplanted into 9 isogenic rats of the Wistar lineage; 5 in the gastric body submucosa, and 4 in the gastric fundus submucosa. Normoglycemia was defined as two successive measurements of < 250 mg/dL. No immunosuppression was used. The two groups glycemia control improvement were compared with t-student test. Results: The results obtained following the transplantation of the islets in 9 rats showed between 995 and 2310 islets transplanted (mean of 1367). The rats from the gastric submucosa group had a better glycemic level improvement, with a confidence equal to 83.94%. Conclusion: Islets graft into the gastric fundus submucosa is a viable model with potential for adequate glycemic control. This model gives potential for new perspectives and future studies in this area.
- Matrix metalloproteinase-1 (MMP-1) and (MMP-8) gene polymorphisms promote increase and remodeling of the collagen III and V in posterior tibial tendinopathy(2018) DINIZ-FERNANDES, Tulio; GODOY-SANTOS, Alexandre Leme; SANTOS, Maria Cristina; PONTIN, Pedro; PEREIRA, Caio Augusto Alves; JARDIM, Yuri Justi; VELOSA, Ana Paula Pereira; MAFFULLI, Nicola; TEODORO, Walcy Rosolia; CAPELOZZI, Vera LuizaPosterior tibial tendinopathy (PTT) can lead to acquired flatfoot in adults. Many patients develop PTT without any identifiable risk factors. Molecular changes in extracellular matrix (ECM) and matrix metalloproteinase (MMP) polymorphism may influence the risk of developing PTT. We aim to investigate the association between matrix metalloproteinase-1 (MMP-1) and (MMP-8) gene polymorphisms with changes in collagen I, III and V in PTT. A case-control study with 22 patients and 5 controls was performed. The MMP-1 (2G/2G) and MMP-8 (T/T) genotypes were determined by PCR-restriction fragment length polymorphism. Tendon specimens were evaluated by a histologic semiquantitative score, immunofluorescence and histomorphometry for collagen I, III and V. Tendon specimens from PTT demonstrated marked distortion of the architecture with necrosis, large basophilic areas with disruption of the normal linear orientation of collagen bundles, infiltration of inflammatory cells, dystrophic calcification and ossification. Under immunofluorescence, PTT tendon specimens showed weak green fluorescence and diffuse distribution of collagen I fibers, but strong fluorescence of collagen III and V. The collagen I fibers were significantly decreased whereas an increase of collagen III and V were found in PTT compared to control groups. In addition, PTT group presented a significant association with MMP-1 and MMP-8 gene polymorphisms. Patients with PTT matrix metalloproteinase-1 (MMP-1) and (MMP-8) gene polymorphisms presented an increase of the collagen III and V ratio, suggesting that the higher proportion in degenerated tendons could contribute to a decrease in the mechanical resistance of the tissue. Still, functional and association studies are needed to elucidate evident roles of MMPs in PTT.
- Intussusception reveals MUTYH-associated polyposis syndrome and colorectal cancer: a case report(2019) MESQUITA, Gustavo Heluani Antunes de; CARVALHO, Barbara Justo; MEDEIROS, Kayo Augusto de Almeida; NII, Fernanda; MARTINES, Diego Ramos; PIPEK, Leonardo Zumerkorn; JARDIM, Yuri Justi; WAISBERG, Daniel Reis; OBARA, Marcos Takeo; SITNIK, Roberta; MEYER, Alberto; MANGUEIRA, Cristovao Luis PitangueirasBackground: We are reporting a rare case of MUTYH-associated polyposis, a colorectal cancer hereditary syndrome, diagnosticated after an intussusception. Colorectal cancer is an important cause of cancer related mortality that can be manifested by an intussusception, a rare occurrence in adults and almost always related to tumors. Approximately 5% of colorectal cancers can be attributed to syndromes known to cause hereditary colorectal cancer, such as MUTYH-associated polyposis, autosomal genetic syndrome associated with this disease. Case presentation: We present the case of a 44years old male, that sought medical consultation with a complaint of abdominal discomfort, that after five days changed its characteristics. The patient was sent to the emergency department were a CT-scan revealed intestinal sub-occlusion by ileocolic invagination. Right colectomy was carried out. The anatomic-pathological examination revealed a moderately differentiated mucinous adenocarcinoma and multiples sessile polyps, which led to the suspicion of a genetic syndrome. In the genetics analysis two mutations were observed in the MUTYH gene, and MUTYH-associated polyposis was diagnosticated. Conclusion: This case demonstrates the importance of meticulous analysis of the patient examinations results to identify possible discrete alterations that can lead to improved understanding of disease.
- Trends in Mode of Gynecologic Surgery for Benign Disease in Brazil(2021) ROA, Lina; RAMOS, Jania Arcia; CITRON, Isabelle; STAFFA, Steven J.; JARDIM, Yuri J.; ALONSO, Nivaldo; ZURAKOWSKI, David; ABRAO, Mauricio S.; BOATIN, Adeline A.Objective: There are limited studies on laparoscopy for benign hysterectomy in low- and middle-income countries. This article describes national trends in modes of hysterectomy in Brazil and compares outcomes by regions and health sectors. Materials and Methods: This was a cross sectional retrospective analysis of benign hysterectomies from open-access national databases (public sector: 2008-2017; private sector: 2016) in Brazil. Variables examined included the modes (vaginal, abdominal, and laparoscopic) of hysterectomies, geographic regions, mortality rates, and lengths of stay (LOS). Results: Benign hysterectomies decreased by 19.2% over 10 years. The proportion of abdominal surgeries increased from 85% to 88%. Despite an increase in laparoscopic surgeries (0.2-0.9%), minimally invasive surgery (vaginal and laparoscopic) decreased (14.7%-12.6%), largely driven by a drop in vaginal cases (14.5%-11.7%). More laparoscopic hysterectomies were performed in the private sector compared to the public sector (11% versus 1%; p < 0.001). There were significant geographic disparities, with 17% of hysterectomies in the private sector performed laparoscopically in the south compared to 9% in the northeast (p < 0.001). Conclusions: Trends in modes of hysterectomies have changed. There are regional inequities, with wealthier regions accessing more laparoscopic surgery. Understanding the trends and factors affecting access to laparoscopy is essential for ensuring equitable access to high-quality gynecologic care.
bookPart Dor articular crônica(2017) NORDON, David Gonçalves; ALMENARA, Jéssica Vasques Rodrigues; JARDIM, Yuri Justi- Component separation of abdominal wall with intraoperative botulinum A presents satisfactory outcomes in large incisional hernias: a case report(2017) OLIVEIRA, L. T.; ESSU, F. F.; MESQUITA, G. H. A. de; JARDIM, Y. J.; IUAMOTO, L. R.; SUGUITA, F. Y.; MARTINES, D. R.; NII, F.; WAISBERG, D. R.; MEYER, A.; ANDRAUS, W.; DALBUQUERQUE, L. A. C.Purpose Transplantation patients have a series of associated risk factors that make appearance of incisional hernia (IH) more likely. A number of aspects of the closure of large defects remain controversial. In this manuscript, we present the repair of a large IH following liver transplantation through the technique of posterior components separation combined with the anterior, together with the intraoperative use of botulinum toxin A and the placement of mesh. As a secondary objective, we analyze the incidence of IH following liver transplantation in our service. Methods Between the years 2013 and 2016, 247 patients underwent liver transplantation in the Liver Transplantation Service at the Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil. We analyzed the incidence of IH in these patients. One of these cases operated in March 2017 presented a defect in the abdominal wall of 22 × 16.6 × 6.4 cm in the median and paramedian regions. We present the details of this innovative surgical technique. Results The total operating time was 470 min. During the postoperative phase the patient presented ileus paralysis, without systemic repercussions. Resumption of an oral diet on the fifth postoperative day, without incident. Hospital discharge occurred on the 12th postoperative day, with outpatient follow up. Conclusion In our service, the incidence of incisional hernias following liver transplantation is 14.5%. We described a successful approach for selected patient group for whom there is no established standard treatment. Given the complexity of such cases, however, more studies are necessary. © 2017 The Authors
- Large primary hepatic gastrinoma in young patient treated with trisegmentectomy: A case report and review of the literature(2018) PIPEK, Leonardo Zumerkorn; JARDIM, Yuri Justi; MESQUITA, Gustavo Heluani Antunes de; NII, Fernanda; MEDEIROS, Kayo Augusto de Almeida; CARVALHO, Barbara Justo; MARTINES, Diego Ramos; IUAMOTO, Leandro Ryuchi; WAISBERG, Daniel Reis; D'ALBUQUERQUE, Luiz Augusto Carneiro; MEYER, Alberto; ANDRAUS, WellingtonPrimary hepatic gastrinoma is a rare disease, with fewer than 40 cases reported in the medical literature. Because it is located in an organ in which metastases are common, its diagnosis is difficult. We report a case of a 19 years old male patient with a history of gastric ulcers since the age of nine. Following gastric surgery, an antrectomy and a vagotomy, there was some alleviation of symptoms. Subsequently, the patient reported various intermittent episodes of diarrhea, diffuse abdominal pain, and vomiting. The patient und-erwent tomography, which revealed the presence of a hepatic mass measuring 19.5 cm x 12.5 cm x 17 cm. Primary hepatic gastrinoma was diagnosed based on laboratory examinations that indicated hypergastrinemia and a positron emission tomography/magnetic resonance study with somatostatin analogue that confirmed the liver as the primary site. After hepatic trisegmentectomy (II, III, IV, V, VIII), the patient's symptoms improved. The case is notable for the presence of a rare tumor with uncommon dimensions.