Publications by authors named "Dhanny Gomez"

Article Synopsis
  • Prehabilitation is a program that helps patients get ready for surgery using exercise, nutrition, and mental support to improve their recovery.
  • A study looked at 23 articles involving 1,849 older patients to see how well these programs worked before major surgeries.
  • The results showed that most patients liked prehabilitation and did well in following the program, which also helped them walk better after surgery, although it didn't significantly lower complications.
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Article Synopsis
  • Intraductal oncocytic papillary neoplasms (IOPNs) are now identified as distinct from intraductal papillary mucinous neoplasms (IPMNs), with limited information on their recurrence and survival outcomes.
  • A study analyzed outcomes of 415 patients with invasive IOPNs and adenocarcinoma from IPMN over a median of 6 years, finding similar recurrence rates between invasive IOPNs and ductal A-IPMN, but poorer survival compared to colloid A-IPMN.
  • The research concluded that invasive IOPNs behave like aggressive cancers, with adjuvant chemotherapy showing no significant impact on recurrence rates in any of the studied cancer types.
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  • The study examines the outcomes of different precursor epithelial subtypes of adenocarcinoma from intraductal papillary mucinous neoplasms (A-IPMN), focusing on clinical features and recurrence patterns among patients who underwent pancreatic surgery.
  • A total of 297 patients were analyzed, revealing that gastric, pancreatobiliary, and mixed subtypes have similar outcomes that are worse than the intestinal subtype in terms of recurrence and overall survival.
  • The research found that adjuvant chemotherapy specifically improved survival rates in the pancreatobiliary subtype, but not in gastric, intestinal, or mixed subtypes, indicating a potential area for further exploration in treatment strategies.
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Article Synopsis
  • - The study investigates factors affecting long-term survival and recurrence in patients with adenocarcinoma from intraductal papillary mucinous neoplasms, focusing on those who had pancreatic resection between 2010 and 2017 in Europe and Asia.
  • - It analyzed data from 288 patients, revealing that 48% experienced recurrence within about 98 months, with 35% remaining disease-free at the 5-year mark.
  • - Key negative predictors for long-term disease-free survival included multivisceral resection, tumor location in the pancreatic tail, poor differentiation, lymphovascular invasion, and perineural invasion, leading to the development of a predictive model with a good success rate.
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  • The study looked at how diabetes affects patients with pancreatic cancer who had surgery to remove part of their pancreas.
  • They found that having diabetes didn't change the chances of surviving for five years or the chances of cancer coming back after surgery.
  • So, doctors can treat diabetic patients the same as those without diabetes when considering surgery.
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  • Patients undergoing pancreaticoduodenectomy for distal cholangiocarcinoma (dCCA) have a high recurrence rate, with 65% developing recurrence mostly within three years post-surgery.
  • The study identified common recurrence patterns, including local, distant, and mixed types, with primary sites being the pancreatic bed, liver, and lungs.
  • Key predictive factors for recurrence included cancer stage, type of surgical resection, and various histological features, helping inform potential follow-up treatments or strategies.
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  • A study was conducted to determine the effects of adjuvant chemotherapy on patients with adenocarcinoma from intraductal papillary mucinous neoplasia after surgical resection, analyzing data from 459 patients across 18 centers between 2010 and 2020.
  • The results showed that 59.9% of patients received various chemotherapy regimens, but there was no significant difference in recurrence rates or survival outcomes between those who received chemotherapy and those who did not.
  • Overall, the study concluded that adjuvant chemotherapy does not appear to improve recurrence patterns or survival rates in this patient population.
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Article Synopsis
  • The study aimed to compare long-term cancer outcomes between patients with adenocarcinoma from intraductal papillary mucinous neoplasms (A-IPMN) and pancreatic ductal adenocarcinoma (PDAC) after surgical resection.
  • Data revealed that A-IPMN patients generally had better survival rates and lower recurrence rates compared to PDAC patients, including longer median survival (39.0 months for A-IPMN vs. 19.5 months for PDAC).
  • While A-IPMN showed higher rates of peritoneal and lung recurrence, PDAC had more locoregional recurrences, but overall, systemic recurrence rates were similar between the two groups.
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Background & Aims: Prehabilitation comprises multidisciplinary preoperative interventions including exercise, nutritional optimisation and psychological preparation aimed at improving surgical outcomes. The aim of this systematic review and meta-analysis was to determine the impact of prehabilitation on postoperative outcomes in frail and high-risk patients undergoing major abdominal surgery.

Methods: Embase, Medline, CINAHAL and Cochrane databases were searched from January 2010 to January 2023 for randomised clinical trials (RCTs) and observational studies evaluating unimodal (exercise) or multimodal prehabilitation programmes.

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Introduction: Bile duct cancer (cholangiocarcinoma, CCA) has a poor prognosis for patients, and despite recent advances in targeted therapies for other cancer types, it is still treated with standard chemotherapy. Anaplastic lymphoma kinase (ALK) has been shown to be a primary driver of disease progression in lung cancer, and ALK inhibitors are effective therapeutics in aberrant ALK-expressing tumors. Aberrant ALK expression has been documented in CCA, but the use of ALK inhibitors has not been investigated.

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Backgrounds/aims: After pancreatoduodenectomy (PD), an early oral diet is recommended; however, the postoperative nutritional management of PD patients is known to be highly variable, with some centers still routinely providing parenteral nutrition (PN). Some patients who receive PN experience clinically significant complications, underscoring its judicious use. Using a large cohort, this study aimed to determine the proportion of PD patients who received postoperative nutritional support (NS), describe the nature of this support, and investigate whether receiving PN correlated with adverse perioperative outcomes.

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Background: Pancreatoduodenectomy (PD) is associated with significant postoperative morbidity. Surgeons should have a sound understanding of the potential complications for consenting and benchmarking purposes. Furthermore, preoperative identification of high-risk patients can guide patient selection and potentially allow for targeted prehabilitation and/or individualized treatment regimens.

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Article Synopsis
  • The study investigates recurrence patterns and treatment outcomes following pancreatic surgery for adenocarcinoma originating from intraductal papillary mucinous neoplasms (IPMN), involving 459 patients from multiple centers between 2010 and 2020.
  • Recurrences were seen in 45.5% of patients, with a significant portion occurring within the first year, while the type of treatment did not significantly affect recurrence rates or survival based on location of the recurrence.
  • Overall survival improved for patients receiving additional treatment post-recurrence, with a median survival of 27.0 months compared to 14.6 months without further treatment.
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Backgrounds/aims: Pancreatoduodenectomy (PD) is recommended in fit patients with a carcinoma (PDAC) of the pancreatic head, and a delayed resection may affect survival. This study aimed to correlate the time from staging to PD with long-term survival, and study the impact of preoperative investigations (if any) on the timing of surgery.

Methods: Data were extracted from the Recurrence After Whipple's (RAW) study, a multicentre retrospective study of PD outcomes.

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Introduction: Adjuvant chemotherapy (AC) can prolong overall survival (OS) after pancreatoduodenectomy (PD) for pancreatic ductal adenocarcinoma (PDAC). However, fitness for AC may be influenced by postoperative recovery. We aimed to investigate if serious (Clavien-Dindo grade ≥ IIIa) postoperative complications affected AC rates, disease recurrence and OS.

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Article Synopsis
  • The study examined outcomes of pancreatoduodenectomy (PD) in patients with resectable ampullary adenocarcinoma, focusing on factors influencing five-year recurrence and survival rates.* -
  • In the analysis of 394 patients, the five-year survival rate was found to be 54%, with 45% experiencing recurrence, typically within 14 months, and common recurrence sites including the liver and lymph nodes.* -
  • Key predictors of increased recurrence and lower survival included factors like lymphatic invasion, positive resection margins, and specific histological characteristics, suggesting that patients with these features may benefit from additional adjuvant therapy.*
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Non-alcoholic fatty liver disease (NAFLD) begins with lipid accumulation within hepatocytes, but the relative contributions of different macronutrients is still unclear. We investigated the impact of fatty acids, glucose and fructose on lipid accumulation in primary human hepatocytes (PHH) and three different cell lines: HepG2 (human hepatoblastoma−derived cell line), Huh7 (human hepatocellular carcinoma cell line) and McA-RH7777 (McA, rat hepatocellular carcinoma cell line). Cells were treated for 48 h with fatty acids (0 or 200 μM), glucose (5 mM or 11 mM) and fructose (0 mM, 2 mM or 8 mM).

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This study assessed Cardiopulmonary Exercise Testing (CPET) in predicting oncological outcomes, post-operative recovery and complications in advanced ovarian cancer (AOC) cytoreductive surgery. We reviewed all patients who had CPET prior to AOC cytoreductive surgery with evidence of upper abdominal disease on preoperative imaging at the University Hospitals of Derby and Burton (UHDB) between August 2016 and July 2019. Patients were stratified by AT and maximum VO levels.

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Background: Although included in surveillance programmes for colorectal cancer (CRC) metastases, elderly patients are susceptible to declines in health and quality of life that may render them unsuitable for further surveillance. Deciding when to cease surveillance is challenging.

Methods: There are no publications focused on surveillance of elderly patients for CRC metastases.

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Background & Aims: The coronavirus disease 2019 (COVID-19) pandemic has posed unprecedented challenges to healthcare systems and it may have heavily impacted patients with liver cancer (LC). Herein, we evaluated whether the schedule of LC screening or procedures has been interrupted or delayed because of the COVID-19 pandemic.

Methods: An international survey evaluated the impact of the COVID-19 pandemic on clinical practice and clinical trials from March 2020 to June 2020, as the first phase of a multicentre, international, and observational project.

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Objective: There is emerging evidence that the pancreas may be a target organ of SARS-CoV-2 infection. This aim of this study was to investigate the outcome of patients with acute pancreatitis (AP) and coexistent SARS-CoV-2 infection.

Design: A prospective international multicentre cohort study including consecutive patients admitted with AP during the current pandemic was undertaken.

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Background: Above and beyond their role in cardiovascular risk reduction, statins appear to have a chemopreventive role in some gastro-intestinal cancers. In the quest for new chemopreventive agents, some existing established drugs such as statins have shown potential for re-purposing as chemoprevention. Probing existing drugs, whose pharmacodynamics are familiar, for novel beneficial effects offers a more cost-effective and less time-consuming strategy than establishing brand new drugs whose pharmacodynamic profile is unfamiliar.

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