Publications by authors named "Jonathan C King"

Background: Pancreaticoduodenectomy (PD) is complex procedure with high morbidity in the elderly. This retrospective study aimed to compare post-operative outcomes in patients ≥75 years of age who underwent robot-assisted (RA)PD and open PD.

Methods: We analyzed 2502 patients ≥75 years of age who underwent PD from 2015 to 2018 in the National Surgical Quality Improvement Program (NSQIP) database.

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Pancreatic cancer is the fourth leading cause of cancer death in the United States. Pancreatic cancer presents dismal clinical outcomes in patients, and the incidence of pancreatic cancer has continuously increased to likely become the second most common cause of cancer-related deaths by as early as 2030. One of main reasons for the high mortality rate of pancreatic cancer is the lack of tools for early-stage detection.

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Background: Unplanned rehospitalization is considered an adverse quality of care indicator. Minimally invasive operations carry the potential to reduce resource use while enhancing recovery. Robotic-assisted pancreaticoduodenectomy (RAPD) has been used to improve outcomes of its morbid open counterpart.

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Introduction: Pancreatectomy is a complex operation that has been associated with excess morbidity and mortality. Although acute index outcomes have been characterized, there are limited data available on nonelective readmission after pancreatic surgery. We sought to identify factors associated with 30-day and 30- to 90-day readmission after pancreatectomy.

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Objective: Compare oncologic outcomes after open and robotic pancreatic resections for pancreatic adenocarcinoma (PDAC).

Summary Of Background Data: Receipt of adjuvant chemotherapy improves survival after resected PDAC. Complications after pancreatectomy have been shown to prohibit the administration of adjuvant chemotherapy and survival.

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Objectives: The aim of this study was to evaluate the impact of epidural analgesia (EA) on postoperative length of stay (LOS), expeditious discharge, and pain relief after pancreaticoduodenectomy (PD) and distal pancreatectomy (DP).

Methods: Retrospective reviews of 2014-2015 American College of Surgeons National Surgical Quality Improvement Program databases and our institutional pancreatic surgery database were conducted.

Results: On univariate analysis, EA was associated with statistically significant longer lengths of stay for both PD and DP.

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The last 5 years have seen a dramatic increased interest in the field of exosome biology. Although much is unknown about the role of exosomes in human health and disease, disparate scientific disciplines are recognizing the highly conserved role that exosomes play in fundamental biological processes. Recently, there have been intriguing discoveries defining the role of exosomes in cancer biology.

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This study uses data from the American College of Surgeons National Quality Improvement Program databases to evaluate associations between hospital length of stay and postoperative complications with hospital readmission among patients who underwent open pancreaticoduodenectomy.

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Background: Pancreatic fistula is a major cause of morbidity after pancreas surgery. In 2014, a single-center, randomized-controlled trial found pasireotide decreased pancreatic fistula rates. However, this finding has not been validated, nor has pasireotide been widely adopted.

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Minimally-invasive spleen-preserving distal pancreatectomy is indicated for benign or borderline malignant lesions confined to the pancreatic body and tail. With the introduction of the da Vinci robotic system, preliminary case series have suggested an improved spleen preservation rate, higher rate of margin negative resections and improved lymph node yield versus the standard laparoscopic approach. In this article, we described our approach to robotic-assisted distal pancreatectomy with both vessel-conserving (Kimura) and vessel-sacrificing (Warshaw) variations.

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Background: Morbidity and mortality of pancreatectomy has improved and chemotherapeutic options for pancreatic cancer (PC) are growing, yet there is reluctance to treat octogenarians. This study examined the reasons for failure to treat and analyzes outcomes in octogenarians with PC.

Methods: Retrospective chart review 2005-2013.

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Background Robotic-assisted surgery has potential benefits over laparoscopy yet little has been published on the integration of this platform into complex surgical oncology. We describe the outcomes associated with integration of robotics into a large surgical oncology program, focusing on metrics of safety and efficiency. Methods A retrospective review of a prospectively maintained database of robotic procedures from July 2009 to October 2014 identifying trends in volume, operative time, complications, conversion to open, and 90-day mortality.

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Aim: Sphingosine-1-phosphate (S1P) is a cardioprotective agent. Signal transducer and activator of transcription 3 (STAT-3) is a key mediator of many cardioprotective agents. We aimed to explore whether STAT-3 is a key mediator in S1P-induced preconditioning.

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The peroneal tubercle is an osseous structure on the lateral side of the calcaneus present in 90% of individuals. Hypertrophy of the peroneal tubercle resulting in stenosing peroneal tenosynovitis has been well described in the literature. Repair of this condition involves operative treatment to remove the hypertrophied peroneal tubercle and repair any resulting tendon pathology.

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Pancreatic cancer is an exceedingly lethal disease with a five-year survival that ranks among the lowest of gastrointestinal malignancies. Part of its lethality is attributable to a generally poor response to existing chemotherapeutic regimens. New therapeutic approaches are urgently needed.

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Scutellaria baicalensis (SB) and SB-derived polyphenols possess anti-proliferative activities in several cancers, including pancreatic cancer (PaCa). However, the precise molecular mechanisms have not been fully defined. SB extract and SB-derived polyphenols (wogonin, baicalin, and baicalein) were used to determine their anti-proliferative mechanisms.

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Chronic pancreatitis is a debilitating disease resulting in pain, intestinal malabsorption, endocrine dysfunction, and poor quality of life (QoL). Our aim was to analyze surgical outcomes for patients with chronic pancreatitis. Data for patients undergoing operations for chronic pancreatitis between 1990 and 2009 were reviewed.

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Background: Pancreatic-pleural fistula is an uncommon complication of chronic pancreatitis occurring as a result of disruption of the main pancreatic duct and tracking of pancreatic fluid through the retroperitoneum into 1 or both thoracic cavities. The optimal treatment strategy for pancreatic-pleural fistula is unknown; it has traditionally been medical management followed by operative therapy for patients who fail to respond to conservative treatment. Our objective was to compile the case reports of pancreatic-pleural fistula in the literature in order to better define clinical management strategy.

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Background: Serous cystic neoplasms of the pancreas are benign lesions with little chance for malignant degeneration. We report a case of malignant serous cystadenocarcinoma of the pancreas and review the literature.

Methods: Structured review of the literature was performed using PubMed and MEDLINE searches, and cases of serous cystadenocarcinoma of the pancreas were compiled.

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