DANIEL JOSE SZOR

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Instituto do Câncer do Estado de São Paulo, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/24 - Laboratório de Oncologia Experimental, Hospital das Clínicas, Faculdade de Medicina

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  • conferenceObject
    THE IMPACT OF INSTITUTIONAL VOLUME OF TOTAL GASTRECTOMY FOR PATIENTS WITH GASTRIC CANCER ON SHORT-TERM OUTCOMES AND COSTS IN BRAZILIAN PUBLIC HEALTH SYSTEM
    (2023) SZOR, Daniel J.; TUSTUMI, Francisco; SILVA, Thaysa Venturini da; ARVATE, Gabriela Gerote; SANTOS, Maria Eduarda Carvalhal; GOUVEA, Fabiana Pereira Riviello; OLIVEIRA, Julia Politano de; MIHICH, Juliana Salem; WOLOSKER, Nelson
  • article 2 Citação(ões) na Scopus
    The impact of sarcopenia on esophagectomy for cancer: a systematic review and meta-analysis
    (2023) PARK, Amanda; ORLANDINI, Marina Feliciano; SZOR, Daniel Jose; RIBEIRO, Ulysses; TUSTUMI, Francisco
    BackgroundEsophagectomy is the gold-standard treatment for locally advanced esophageal cancer but has high morbimortality rates. Sarcopenia is a common comorbidity in cancer patients. The exact burden of sarcopenia in esophagectomy outcomes remains unclear. Therefore, this systematic review and meta-analysis were performed to establish the impact of sarcopenia on postoperative outcomes of esophagectomy for cancer.MethodsWe performed a systematic review and meta-analysis comparing sarcopenic with non-sarcopenic patients before esophagectomy for cancer (Registration number: CRD42021270332). An electronic search was conducted on Embase, PubMed, Cochrane, and LILACS, alongside a manual search of the references. The inclusion criteria were cohorts, case series, and clinical trials; adult patients; studies evaluating patients with sarcopenia undergoing esophagectomy or gastroesophagectomy for cancer; and studies that analyze relevant outcomes. The exclusion criteria were letters, editorials, congress abstracts, case reports, reviews, cross-sectional studies, patients undergoing surgery for benign conditions, and animal studies. The meta-analysis was synthesized with forest plots.ResultsThe meta-analysis included 40 studies. Sarcopenia was significantly associated with increased postoperative complications (RD: 0.08; 95% CI: 0.02 to 0.14), severe complications (RD: 0.11; 95% CI: 0.04 to 0.19), and pneumonia (RD: 0.13; 95% CI: 0.09 to 0.18). Patients with sarcopenia had a lower probability of survival at a 3-year follow-up (RD: -0.16; 95% CI: -0.23 to -0.10).ConclusionPreoperative sarcopenia imposes a higher risk for overall complications and severe complications. Besides, patients with sarcopenia had a lower chance of long-term survival.
  • article
    Preoperative albumin-bilirubin score is a prognostic factor for gastric cancer patients after curative gastrectomy
    (2023) SZOR, Daniel Jose; PEREIRA, Marina Alessandra; RAMOS, Marcus Fernando Kodama Pertille; TUSTUMI, Francisco; DIAS, Andre Roncon; ZILBERSTEIN, Bruno; RIBEIRO, Ulysses
    BACKGROUNDAlbumin-bilirubin (ALBI) score is an indicator of liver dysfunction and is useful for predicting prognosis of hepatocellular carcinomas. Currently, this liver function index has been used to predict prognosis in other neoplasms. However, the significance of ALBI score in gastric cancer (GC) after radical resection has not been elucidated.AIMTo evaluate the prognostic value of the preoperative ALBI status in patients with GC who received curative treatment.METHODSPatients with GC who underwent curative intended gastrectomy were retrospectively evaluated from our prospective database. ALBI score was calculated as follows: (log10 bilirubin x 0.660) + (albumin x -0.085). The receiver operating characteristic curve with area under the curve (AUC) was plotted to evaluate the ability of ALBI score in predicting recurrence or death. The optimal cutoff value was determined by maximizing Youden's index, and patients were divided into low and high-ALBI groups. The Kaplan-Meier curve was used to analyze the survival, and the log-rank test was used for comparison between groups.RESULTSA total of 361 patients (235 males) were enrolled. The median ALBI value for the entire cohort was -2.89 (IQR -3.13; -2.59). The AUC for ALBI score was 0.617 (95%CI: 0.556-0.673, P < 0.001), and the cutoff value was -2.82. Accordingly, 211 (58.4%) patients were classified as low-ALBI group and 150 (41.6%) as high-ALBI group. Older age (P = 0.005), lower hemoglobin level (P < 0.001), American Society of Anesthesiologists classification III/IV (P = 0.001), and D1 lymphadenectomy P = 0.003) were more frequent in the high-ALBI group. There was no difference between both groups in terms of Lauren histological type, depth of tumor invasion (pT), presence of lymph node metastasis (pN), and pathologic (pTNM) stage. Major postoperative complication, and mortality at 30 and 90 days were higher in the high-ALBI patients. In the survival analysis, the high-ALBI group had worse disease-free survival (DFS) and overall survival (OS) compared to those with low-ALBI (P < 0.001). When stratified by pTNM, the difference between ALBI groups was maintained in stage I/II and stage III CG for DFS (P < 0.001 and P = 0.021, respectively); and for OS (P < 0.001 and P = 0.063, respectively). In multivariate analysis, total gastrectomy, advanced pT stage, presence of lymph node metastasis and high-ALBI were independent factors associated with worse survival.CONCLUSIONThe preoperative ALBI score is able to predict the outcomes of patients with GC, where high-ALBI patients have worse prognosis. Also, ALBI score allows risk stratification of patients within the same pTNM stages, and represents an independent risk factor associated with survival.
  • article
    Gastric trichobezoar
    (2017) SZOR, Daniel Jose; DIAS, Andre Roncon
    Key Clinical Message Trichobezoar is a rare gastrointestinal pathology, but should be considered in patients with abdominal mass and previous history of trichophagia. In physical examination, it is important to verify signs of alopecia. Minimally invasive surgery is a secure method to remove the specimen from the stomach.
  • article 0 Citação(ões) na Scopus
    Investigating achalasia trigger events
    (2023) LUCAS, Phellipe Fabbrini Santos; SZOR, Daniel Jose; ARIENZO, Vitor Pelogi; TUSTUMI, Francisco
  • article 0 Citação(ões) na Scopus
    Measuring the burden of gastroesophageal reflux after per-oral endoscopic myotomy
    (2023) TUSTUMI, Francisco; BIANCHI, Edno T.; SZOR, Daniel J.
  • article
    Remnant gastric cancer: An ordinary primary adenocarcinoma or a tumor with its own pattern?
    (2021) RAMOS, Marcus Fernando Kodama Pertille; PEREIRA, Marina Alessandra; DIAS, Andre Roncon; DANTAS, Anna Carolina Batista; SZOR, Daniel Jose; JR, Ulysses Ribeiro; ZILBERSTEIN, Bruno; CECCONELLO, Ivan
    BACKGROUND Remnant gastric cancer (RGC) is defined as a tumor that develops in the stomach after a previous gastrectomy and is generally associated with a worse prognosis. However, there little information available regarding RGCs and their prognostic factors and survival. AIM To evaluate the clinicopathological characteristics and prognosis of RGC after previous gastrectomy for benign disease. METHODS Patients who underwent curative resection for primary gastric cancer (GC) at our institute between 2009 and 2019 were retrospectively evaluated. All RGC resections with histological diagnosis of gastric adenocarcinoma were enrolled in this study. Primary proximal GC (PGC) who underwent total gastrectomy was selected as the comparison group. Clinical and pathological data were collected from a prospective medical database. RESULTS A total of 41 patients with RGC and 120 PGC were included. Older age (P = 0.001), lower body mass index (P = 0.006), hemoglobin level (P < 0.001), and number of resected lymph nodes resected (LN) (P < 0.001) were associated with the RGC group. Lauren type, pathological tumor-node-metastasis, and perioperative morbimortality were similar between RGC and PGC. There was no difference in disease-free survival (P = 0.592) and overall survival (P = 0.930) between groups. LN status was the only independent factor related to survival. CONCLUSION RGC had similar clinicopathological characteristics to PGC. Despite the lower number of resected LN, RGC had a similar prognosis.