Publications by authors named "Edivaldo Massazo Utiyama"

This study aimed to analyze the prognostic value of the SOFA, APACHE II, and MPI (Mannheim Peritonitis Index) scores in the indication for Damage Control Surgery (DCS) in non-trauma. Retrospective analysis of patients undergoing DCS between 2014 and 2019. SOFA and APACHE II scores were calculated using parameters preceding DCS, while MPI was based on surgical descriptions.

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The role of wound protectors in laparoscopic surgeries is highly controversial in the literature. Some studies demonstrate their benefit in reducing the rate of surgical site infections; however, these results are not reproducible across all procedures. In addition to protecting the operative wound, these devices can be used at sites of surgical specimen extraction in laparoscopic procedures.

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Objective: In the emergency care of cancer patients, in addition to cancer-related factors, two aspects influence the outcome: (1) where the patient is treated and (2) who will perform the surgery. In Brazil, a significant proportion of patients with surgical oncological emergencies will be operated on in general hospitals by surgeons without training in oncological surgery.

Objective: The objective was to discuss quality indicators and propose the creation of an urgent oncological surgery advanced life support course.

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Objective: To evaluate whether the rate of surgical complications is higher during the first semester of the General Surgery residency in the largest hospital complex in Latin America. During this period, students are expected to have less experience in carrying out procedures.

Methods: During a period of two years, all General Surgery resident doctors at the Hospital das Clínicas of the Faculty of Medicine of the University of São Paulo, made a notification of all the procedures they performed (n = 14.

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Background: The effects of hernia repair on testicular function remain uncertain, regardless of the technique used. Studies that analyze testicular volume and flow after hernia repair or hormonal measurements are scarce and show contradictory results. This study aimed to evaluate the impact of bilateral inguinal hernia repair on male fertility in surgical patients in whom the Lichtenstein and laparoscopic transabdominal preperitoneal (TAPP) techniques were used.

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Purpose: Soft tissue sarcomas are rare malignant tumors. Liposarcoma constitutes the most frequent histological subtype of retroperitoneal sarcoma. The prognosis of soft tissue sarcomas depends on clinical and histologic characteristics.

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Background: Pneumonia occurs in about 20% of trauma patients with pulmonary contusions. This study aims to evaluate the association between empirical antibiotic therapy and nosocomial pneumonia in this population.

Methods: Retrospective cohort of adult patients admitted to a trauma-surgical ICU.

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It is not known whether anatomical scores perform better than general critical care scores for trauma patients admitted to the intensive care unit (ICU). We compare the predictive performance for hospital mortality of general critical care scores (SAPS 3 and SOFA) with anatomical injury-based scores (Injury Severity Score [ISS] and New ISS [NISS]). Retrospective cohort study of patients admitted to a specialized trauma ICU from a tertiary hospital in São Paulo, Brazil between May, 2012 and January, 2016.

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Introduction: Pancreatic solid pseudopapillary neoplasm (SPN), or Frantz's tumor, is a rare tumor with low malignant potential and a high cure rate when treated by complete surgical resection. There have been few reports of metastatic disease as a result of blunt abdominal trauma.

Presentation Of Case: A 13-year-old female patient was a victim of blunt abdominal trauma in 2019.

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Background: the barriers to implement emergency laparoscopy in public teaching hospitals involve issues such as resident learning curves and resource costs and availability. This study was designed to describe the issues facing the implementation of laparoscopic approach for acute appendicitis over 15 years in a single academic center in Brazil.

Materials And Methods: retrospective study of patients undergoing emergency appendectomy from 2004 to 2018.

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Background: Trauma laparoscopy may provide a less invasive alternative to laparotomy by providing accurate diagnosis and minimally invasive management of selected trauma patients. The risk of missing injuries during the laparoscopic evaluation still refrains surgeons from using this approach. Our aim was to evaluate feasibility and safety of trauma laparoscopy in selected patients.

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Background: Systemic inflammatory responses mimicking infectious complications are often present in surgical patients.

Methods: The objective was to assess the association between withholding early antimicrobial therapy while investigating alternative diagnoses and worse outcomes in nonseptic patients with suspected nosocomial infection in a retrospective cohort of critically ill surgical patients. The initiation of antibiotic therapy within 24 h of the suspicion of infection was defined as the Early Empirical Antibiotic strategy (EEA) group and the initiation after 24 h of suspicion or not prescribed was defined as the Conservative Antibiotic strategy (CA) group.

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Background: Fibroid is the most prevalent benign tumor of the female genital tract. Intravenous and intracardiac leiomyomatosis (IVL and ICLM, respectively) are rare complications that present with symptoms of pulmonary thromboembolism and heart failure and whose etiology, despite controversial, is a direct vascular invasion by a primary uterine leiomyoma.

Case Presentation: We present the case of a 31-year-old female patient with a previous history of pelvic pain and dysmenorrhea, whose ultrasound showed an enlarged and heterogeneous uterus.

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Introduction: Splenic abscess secondary to endocarditis is a rare complication with high mortality. The treatment modality, splenectomy versus percutaneous drainage, and the best time, before or after valve replacement, are controversial. In the literature, there are only a few small case series about the subject.

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Introduction: in recent decades, the extraperitoneal pelvic packing technique has been disseminated, but there are still few studies. Thus, it was decided to analyze the results of extraperitoneal pelvic tamponade, in patients with pelvic fracture and shock, in order to identify predictive factors for mortality.

Methods: a retrospective review of medical records of patients submitted to extraperitoneal pelvic packing was conduced.

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Health literacy, culture and language play vital roles in patients' understanding of health issues. Obstacles are more evident in low- and middle-income countries (LMICs), where inadequate patient education levels are higher and hospital resources are lower. This is a prospective pilot study assessing the feasibility of digital preoperative animations as guides for surgical patients.

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Purpose: The use of synthetic mesh to repair infected abdominal wall defects remains controversial. Polyvinylidene fluoride (PVDF) mesh was introduced in 2002 as an alternative to polypropylene, with the advantages of improved biostability, lowered bending stiffness, and minimum tissue response. This study aimed to evaluate the short-term outcomes of using PVDF mesh to treat infected abdominal wall defects in the elective setting.

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Introduction: The lack of standardized skill training reported by medical students in performing tube thoracostomies may be associated with higher complications. The ideal training model is yet to be determined. This study sought to evaluate three different models.

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Percutaneous tracheostomy has been considered the standard method today, the bronchoscopy-guided technique being the most frequently performed. A safe alternative is ultrasound-guided percutaneous tracheostomy, which can be carried out by the surgeon, avoiding the logistical difficulties of having a specialist in bronchoscopy. Studies prove that the efficacy and safety of the ultrasound-guided technique are similar when compared to the bronchoscopy-guided one.

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Background: Pneumomediastinum is a rare complication of COVID-19 pneumonia, which may or may not be associated with invasive ventilatory support. Therefore, the report and findings associated with its evolution can be of great contribution in the management of this unknown disease.

Case Presentation: Here, we present a series of four patients with severe pneumomediastinum requiring intensive care unit.

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The spleen is one of the most frequently affected organs in blunt abdominal trauma. Since Upadhyaya, the treatment of splenic trauma has undergone important changes. Currently, the consensus is that every splenic trauma presenting with hemodynamic stability should be initially treated nonoperatively, provided that the hospital has adequate structure and the patient does not present other conditions that indicate abdominal exploration.

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Purpose: COVID-19 is associated with high morbidity and mortality in patients undergoing surgery. Contrary to elective procedures, emergency operations should not be postponed. We aim to evaluate the profile and outcomes of COVID-19 patients who underwent emergency abdominal surgery.

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