Claire E Graves, Insoo Suh
No abstract text is available yet for this article.
July 7, 2020: Surgery
Samuel J Zolin, Kate Crawford, Anatoliy V Rudin, Hasly Harsono, Vikram D Krishnamurthy, Judy Jin, Eren Berber, Allan Siperstein, Joyce J Shin
BACKGROUND: Preoperative localization studies are essential for parathyroid re-exploration. When noninvasive studies do not regionalize the abnormal parathyroid gland, selective parathyroid venous sampling may be employed. We studied the utility of parathyroid venous sampling in reoperative parathyroid surgery and the factors that may affect parathyroid venous sampling results. METHODS: Patients with hyperparathyroidism and previous cervical surgery undergoing evaluation for reoperative parathyroidectomy over a 20-year period were identified...
July 7, 2020: Surgery
Jae Hyun Kwon, Jin Wook Yi
BACKGROUND: Telomerase reverse transcriptase promoter mutations were recently found to be associated with poorer prognosis in patients with papillary thyroid carcinoma. Correlation between telomerase reverse transcriptase messenger RNA expression and survival of patients with papillary thyroid carcinoma has not been determined. METHODS: Clinical information, somatic mutations, and RNA sequencing of 492 papillary thyroid carcinoma patients were obtained from The Cancer Genome Atlas...
July 5, 2020: Surgery
Elisa Bannone, Stefano Andrianello, Giovanni Marchegiani, Giuseppe Malleo, Salvatore Paiella, Roberto Salvia, Claudio Bassi
BACKGROUND: Postoperative hyperamylasemia is a frequent finding after pancreatoduodenectomy, but its incidence and clinical implications have not yet been analyzed systematically. The aim of this review is to reappraise the concept of postoperative hyperamylasemia with postoperative acute pancreatitis, including its definition, interpretation, and correlation. METHODS: Online databases were used to search all available relevant literature published through June 2019...
July 5, 2020: Surgery
Chad A Barnes, Mohammed Aldakkak, Kathleen K Christians, Callisia N Clarke, Kulwinder Dua, Ben George, Paul S Ritch, Mandana Kamgar, William A Hall, Naveen Kulkarni, Beth A Erickson, Douglas B Evans, Susan Tsai
BACKGROUND: More than 70% of patients with localized pancreatic cancer treated with upfront surgery develop disease recurrence. Herein we describe the radiographic patterns and timing of disease recurrence after neoadjuvant therapy and surgery in patients with pancreatic cancer. METHODS: Radiographic patterns of first disease recurrence were examined in patients with localized pancreatic cancer who completed neoadjuvant therapy and surgery. Disease recurrence was classified as local (pancreas, resection bed, or peripancreatic vasculature); regional (peritoneum or abdominal wall); or distant (liver, lung, bone)...
July 5, 2020: Surgery
Bartlomiej Imielski, Chitaru Kurihara, Adwaiy Manerikar, Satya Chaudhary, Susan Kosterski, David Odell, Samuel Kim, Ankit Bharat
BACKGROUND: We compared the clinical outcomes and cost-efficiency of surgical approaches (sternotomy-open, video assisted thoracoscopic surgery, and robotic assisted thoracic surgery) for thymectomy. METHODS: This is a retrospective review of 220 consecutive patients who underwent thymectomy between January 1, 2007, and January 31, 2017. Surgical approach was determined by the surgeon, but we only included cases that could be resected using any of the 3 approaches...
July 5, 2020: Surgery
Yas Sanaiha, Joseph Hadaya, Mario Cale, Nam Yong Cho, Josef Madrigal, Sohail Sareh, Peyman Benharash
BACKGROUND: Interhospital transfer is a common clinical practice that has been associated with poor patient outcomes in small series. We aimed to evaluate the impact of transfer status on cardiac surgery patients in a national cohort. METHODS: Patients undergoing nonelective coronary artery bypass grafting, valve replacement or repair, or a combination were identified using the 2010 to 2017 Nationwide Readmissions Database. Patients were stratified by transfer status and outcomes were evaluated using adjusted multivariable linear and logistic models...
July 5, 2020: Surgery
Claudio Fiorillo, Vito Laterza, Giuseppe Quero, Sergio Alfieri
No abstract text is available yet for this article.
July 4, 2020: Surgery
Conor O'Neill, Traci Hayat, John Hamm, Mary Healey, Qianqian Zheng, Yan Li, Robert C G Martin
BACKGROUND: Combining immune checkpoint blockade therapy with operative disruptive immunomodulation using irreversible electroporation may overcome the resistance to systemic therapy found in patients with locally advanced, unresectable pancreatic cancer. We describe the safety profile and efficacy of IRE with nivolumab. METHODS: In the preclinical phase of study, human pancreatic cell lines were cultured with interferon-γ (10 ng/mL) and murine models of pancreatic cancer were treated with irreversible electroporation and programmed death ligand-1 (PD-L1) expression was measured...
July 3, 2020: Surgery
(no author information available yet)
No abstract text is available yet for this article.
July 2, 2020: Surgery
Danni Dunlop, Estelle Kyriacou, Jennifer R A Jones, Ianthe Boden, David J Berlowitz
No abstract text is available yet for this article.
July 2, 2020: Surgery
Karen J Dickinson, Barbara L Bass, Kevin Y Pei
BACKGROUND: Effective surgical education is key to resident professional and personal development. There is little literature defining or assessing effective surgical educators and no common definition of effectiveness in use. The opinion of surgical residents has never been qualitatively studied. Our aim was to determine what general surgery residents perceive as qualities of effective surgical educators. METHODS: A qualitative and quantitative study of general surgery senior residents (postgraduate year [PGY]-4 and -5) at a single tertiary academic institution was performed...
July 1, 2020: Surgery
Quyen D Chu, Mei-Chin Hsieh, Yen Chu, John Lyons, Emad Kandil, Ralph Corsetti, Robert K White, Jennifer L Gnerlich, Xiao-Cheng Wu
BACKGROUND: It is unknown whether rural patients with operable breast cancer do worse than urban patients in Louisiana. We performed an analysis of breast cancer based on rural versus urban residencies and evaluate factors associated with worse survival. METHODS: Data on women diagnosed with stages I to III breast cancer from 2004 to 2016 were obtained from the Louisiana Tumor Registry. Overall survival and cancer-specific survival were compared between rural and urban residencies by sociodemographic, clinical-pathologic, and treatment variables...
July 1, 2020: Surgery
Jayanth S Shankara Narayanan, Diego A Vicente, Partha Ray, Louis F Chai, Suna Erdem, Matthew J Carr, Benedict A Capacio, Bryan F Cox, David B Jaroch, Steven C Katz, Rebekah R White
BACKGROUND: We describe the use of pancreatic retrograde venous infusion in an orthotopic murine model of pancreatic ductal adenocarcinoma and hypothesize that pancreatic retrograde venous infusion delivery of gemcitabine will increase concentrations of gemcitabine in the tumor and the subsequent tumor response to treatment. METHODS: Murine pancreatic ductal adenocarcinoma (KPC4580P) was transplanted onto the pancreatic tail of C57BL/6J mice. Groups (n = 15) of mice were assigned to sham laparotomy and 100 mg/kg intraperitoneal infusion of gemcitabine (systemic gemcitabine), pancreatic venous isolation with pancreatic retrograde venous infusion of 100 mg/kg gemcitabine, or pancreatic retrograde venous infusion with saline infusion...
June 30, 2020: Surgery
Rugaieh Abaza, Katryne Lukens-Bull, Lilly Bayouth, Carmen Smotherman, Joseph Tepas, Marie Crandall
BACKGROUND: More than 30,000 Americans die every year of firearm-related injuries. Gun violence is frequently addressed by law enforcement and policing, as opposed to public health interventions that might address poverty or deprivation. Our goal was to evaluate the past 20 years of gunshot wound injury demographics seen at our level I academic trauma center and create a risk map model correlating gunshot wound incidence with area deprivation. METHODS: Patients admitted for gunshot wound-related injuries between 1996 and 2017 were identified using our trauma registry...
June 30, 2020: Surgery
Adam Lantz, Hampus Holmer, Samuel R G Finlayson, Thomas C Ricketts, David A Watters, Russell L Gruen, Walter D Johnson, Lars Hagander
BACKGROUND: The lack of access to essential surgical care in low-income countries is aggravated by emigration of locally-trained surgical specialists to more affluent regions. Yet, the global diaspora of surgeons, obstetricians, and anesthesiologists from low-income and middle-income countries has never been fully described and compared with those who have remained in their country of origin. It is also unclear whether the surgical workforce is more affected by international migration than other medical specialists...
June 30, 2020: Surgery
Shahab Hajibandeh, Shahin Hajibandeh, Joseph Matthews, Lucy Palmer, Andrew Maw
BACKGROUND: To compare outcomes of total mesorectal excision with or without lateral pelvic lymph node dissection for the treatment of rectal cancer. METHODS: The electronic data sources were explored to capture all studies comparing total mesorectal excision with and without lateral pelvic lymph node dissection in patients undergoing operation for rectal cancer. Random effects modelling was utilized for the analyses. The uncertainties associated with varying follow-up periods among the included studies were resolved by analysis of time-to-event outcomes...
June 30, 2020: Surgery
Catherine G Tran, Aaron T Scott, Guiying Li, Scott K Sherman, Po Hien Ear, James R Howe
BACKGROUND: Patients with pancreatic neuroendocrine tumors often present with metastases, which reduce survival. Molecular features associated with pancreatic neuroendocrine tumor tumorigenesis have been reported, but mechanisms of metastasis remain incompletely understood. METHODS: RNA sequencing was performed on primary and metastatic pancreatic neuroendocrine tumors from 43 patients. Differentially expressed genes were identified, and quantitative polymerase chain reaction used to confirm expression differences...
June 28, 2020: Surgery
Young-Ji Seo, Joseph Hadaya, Sohail Sareh, Esteban Aguayo, Christian M de Virgilio, Peyman Benharash
INTRODUCTION: Guidelines recommend early endoscopic retrograde cholangiopancreatography for the management of acute cholangitis, but the definition of the term "early" remains debatable. This study analyzed national trends in the timing of endoscopic retrograde cholangiopancreatography and identified the ideal time to perform preoperative endoscopic retrograde cholangiopancreatography in patients with acute cholangitis. METHODS: The 2005 to 2016 National Inpatient Sample was used to identify patients undergoing cholecystectomy for acute cholangitis...
June 28, 2020: Surgery
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