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Topic Review
Biography
Peer Reviewed Entry
Video Entry
Topic Review
Primary Skull Base Chondrosarcomas
Primary skull base chondrosarcomas (SBCs) may carry significant tumor-burden by causing severe cranial nerve neuropathies. Current treatment strategies mainly focus on surgical resection and radiotherapy protocols, with a wide range of findings in terms of efficacy and safety.
400
12 Jan 2022
Topic Review
3D Printing and Nanotechnologies in Biofilms
Biofilms remain one of the most pervasive complications of the medical field, representing 50–70% of all nosocomial infections and up to 80% of total microbial infections. Since biofilms contain intricately small matrices, different microenvironments, and accumulations of biodiverse microorganisms of different resistances, these structures end up being difficult to target.
400
08 Oct 2023
Topic Review
Peri-Operative Antibiotic Prophylaxis for Groin Surgical Site Infection
Surgical site infections (SSIs) in lower extremity vascular surgeries, post-groin incision, are not only common complications and significant contributors to patient mortality and morbidity, but also major financial burdens on healthcare systems and patients. In spite of recent advances in pre- and post-operative care, SSI rates in the vascular surgery field remain significant. However, compliant antibiotic therapy can successfully reduce the SSI incidence pre- and post-surgery. Antibiotic therapy, administered according to all peri-operative protocols described, is useful in reducing groin SSI rate in vascular surgery.
395
13 Apr 2022
Topic Review
Pseudoaneurysm after Radical Prostatectomy
Prostate cancer (PCa) is the most common malignant tumor among men in the Western world. Men with a life expectancy of at least 10 years could benefit from radical prostatectomy (RP), where the robotic approach offers the benefits of minimally invasive surgery. Delayed postoperative bleeding is a serious complication of RP, although rare. Iatrogenic pelvic pseudo-aneurysms following open, robotic or laparoscopic procedures have been rarely reported in the past. The clinical presentation of a bleeding pseudoaneurysm can be diversified and the clinical management of hemorrhage after RP has not been well-described, despite wide institutional and anecdotal experiences.
388
19 Sep 2022
Topic Review
Nectins and Nectin-like Molecules in Colorectal Cancer
In 2020, colorectal cancer was the third most common type of cancer worldwide with a clearly visible increase in the number of cases each year. With relatively high mortality rates and an uncertain prognosis, colorectal cancer is a serious health problem. There is an urgent need to investigate its specific mechanism of carcinogenesis and progression in order to develop new strategies of action against this cancer. Nectins and Nectin-like molecules are cell adhesion molecules that take part in a plethora of essential processes in healthy tissues as well as mediating substantial actions for tumor initiation and evolution.
381
22 Dec 2022
Topic Review
Endoscopic Vacuum Therapy in the Upper Gastrointestinal Tract
Anastomotic leaks after gastrointestinal surgery have an important impact on surgical outcomes because of the high morbidity and mortality rates. Multiple treatment options exist requiring an individualized patient-tailored treatment plan after multidisciplinary discussion. Endoscopic vacuum therapy (EVT) is a novel treatment option that is nowadays recognized as an effective and useful endoscopic approach to treat leaks or perforations in both the upper and lower gastrointestinal tract.
380
28 Jun 2023
Topic Review
Augmented Reality in Minimally Invasive Surgery Procedures
Augmented reality (AR) technology is gaining increasing interest in the development of minimally invasive surgery (MIS) procedures. The main application areas can be divided into three main groups: Navigation, education and training, and user-environment interfaces. Although AR-guided navigation systems do not yet offer a precision advantage, benefits include improved ergonomics and visualization, as well as reduced surgical time and blood loss. Benefits are also seen in improved education and training conditions and improved user environment interfaces, which may indirectly influence MIS procedures. Controlled studies with large case numbers and standardized outcome parameters and reporting are lacking to confirm the added value for clinical use.
379
04 May 2023
Topic Review
Tissue Senescence Reversing Techniques Modalities
Senescent cells and fibrosis are important components that impact the regenerative capacity of skin, particularly when considering chronic non-healing wounds. Anoderm and perianal fistulas in the setting of Crohn’s disease are clinically pathophysiological extremes with consequently different healing processes which impact treatment modalities.
378
27 Feb 2023
Topic Review
Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy
Peritoneal carcinomatosis (PC) is a poor prognostic factor for all malignancies. This extent of metastatic disease progression remains difficult to treat with systemic therapies due to poor peritoneal vascularization resulting in limited drug delivery and penetration into tissues. Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are surgical interventions that directly target peritoneal tumors and have improved outcomes for PC resulting from appendiceal and colorectal cancer (CRC). Despite these radical therapies, long-term survival remains infrequent, and recurrence is common. The reasons for these outcomes are multifactorial and signal the need for the continued development of novel therapeutics, techniques, and approaches to improve outcomes for these patients.
371
25 May 2022
Topic Review
The Lymphatic System
Lymphedema is characterized by an abnormal accumulation of protein-rich fluid within the interstitium, resulting in swelling of the affected area. It can manifest as primary lymphedema when it results from a structural or developmental defect in the lymphatic system, or as secondary lymphedema, which is due to iatrogenic causes.
371
04 Sep 2023
Biography
Igor A. Kryvoruchko
Professor Dr. Igor A. Kryvoruchko was born on January 18, 1960. After completing his studies at Kharkiv Medical Institute in 1983, Professor started his medical career as a specialist in surgery. From 1983 to 2004 he worked as a surgeon-researcher and a vice-director at the Institute of General and Urgent Surgery named after V.T. Zaitsev of the National Academy of Medical Sciences, Ukraine. From
369
23 Jan 2024
Topic Review
Surgical Antibiotic Prophylaxis
In the multimodal strategy context, to implement healthcare-associated infection prevention, bundles are one of the most commonly used methods to adapt guidelines in the local context and transfer best practices into routine clinical care. One of the most important measures to prevent surgical site infections is surgical antibiotic prophylaxis (SAP).
369
02 Feb 2024
Topic Review
Thymus Surgery in Myasthenia Gravis
The thymus is a lymphoid organ involved in the differentiation of T cells, and has a central role in the physiopathogenesis of Myasthenia Gravis (MG). This connection is proved by a series of changes in the level of neuromuscular junctions, which leads to a decrease in the amplitude of the action potential in the post-synaptic membrane. Because of this, the presence of anti-cholinergic receptor antibodies (AChR), characteristic of MG, is found, which causes the progressive regression of the effect of acetylcholine at the level of neuromuscular junctions, with the appearance of muscle weakness. The thymectomy is a surgical variant of drug therapy administered to patients with MG. In the case of patients with nonthymomatous MG, thymectomy has become a therapeutic standard, despite the fact that there is no solid scientific evidence to explain its positive effect. Videothoracoscopic surgery or robotic surgery led to a decrease in the length of hospital stay for these patients.
367
08 Mar 2024
Topic Review
Historical Development of Durable Ventricular Assist Devices
Heart transplantation is the most effective treatment for end-stage heart failure; however, the shortage in donor hearts constrains the undertaking of transplantation. Mechanical circulatory support (MCS) technology has made rapid progress, providing diverse therapeutic options and alleviating the dilemma of donor heart shortage. The ventricular assist device (VAD), as an important category of MCS, demonstrates promising applications in bridging heart transplantation, destination therapy, and bridge-to-decision. VADs can be categorized as durable VADs (dVADs) and temporary VADs (tVADs), according to the duration of assistance. With the technological advancement and clinical application experience accumulated, VADs have been developed in biocompatible, lightweight, bionic, and intelligent ways.
364
17 Feb 2024
Topic Review
Known Factors of Acute Pancreatitis
Pancreatitis is regarded by clinicians as one of the most complicated and clinically challenging of all disorders affecting the abdomen. It is classified on the basis of clinical, morphological, and histological criteria. Causes of acute pancreatitis can easily be identified in 75–85% of patients. The main causes of acute, recurrent acute, and chronic pancreatitis are gallstone migration and alcohol abuse. Other causes are uncommon, controversial, or unexplained. For instance, cofactors of all forms of pancreatitis are pancreas divisum and hypertriglyceridemia. Another factor that should be considered is a complication of endoscopic retrograde cholangiopancreatography: post-endoscopic retrograde cholangiopancreatography acute pancreatitis.
363
11 Oct 2022
Topic Review
Oncolytic Viruses for the Treatment of Bladder Cancer
Bladder cancer is one of the most prevalent cancers. Despite advancements in bladder cancer therapy, new strategies are still required for improving patient outcomes, particularly for those who experienced Bacille Calmette–Guerin failure and those with locally advanced or metastatic bladder cancer. Oncolytic viruses are either naturally occurring or purposefully engineered viruses that have the ability to selectively infect and lyse tumor cells while avoiding harming healthy cells. In light of this, oncolytic viruses serve as a novel and promising immunotherapeutic strategy for bladder cancer. A wide diversity of viruses, including adenoviruses, herpes simplex virus, coxsackievirus, Newcastle disease virus, vesicular stomatitis virus, alphavirus, and vaccinia virus, have been studied in many preclinical and clinical studies for their potential as oncolytic agents for bladder cancer.
362
20 Feb 2023
Topic Review
Lung Segmentectomy in Non-Small Cell Lung Cancer Surgery
Current guidelines recommend surgery for early-stage non-small cell lung cancer (NSCLC). The standard treatment for patients with cT1N0 NSCLC has been lobectomy with lymph-node dissection, with sublobar resection used only in patients with inadequate cardio-respiratory reserve, with poor performance status, or who are elderly. The results of two randomized controlled trial recently had changed the point of view, giving a new important role to the sublobar resections.
360
15 Jun 2023
Topic Review
Liver Transplantation for Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is the most common primary liver cancer and a leading cause of cancer-related death worldwide.
360
31 Jul 2023
Topic Review
Surgery for Non-Small-Cell Lung Cancer
Circulating tumor cells (CTCs) are dislodged from the primary tumor into the bloodstream, travel within the bloodstream to distant organs, and finally extravasate and proliferate as epithelial metastatic deposits. In surgery for malignancies, the surgical manipulation of tumors and tissues around the tumor may lead to the release of CTCs into the bloodstream. The non-touch isolation technique (NTIT) has been advocated to prevent the release of CTCs during surgery. The concept of NTIT is the prevention of intraoperative increment of CTCs from the primary tumor by the early blockade of outflow vessels, and ‘pulmonary vein (PV)-first lobectomy’ during surgery for non-small-cell lung cancer (NSCLC) corresponds to this technique.
357
16 Mar 2022
Topic Review
Intraoperative Imaging in Hepatopancreatobiliary Surgery
Hepatopancreatobiliary surgery belongs to one of the most complex fields of general surgery. An intricate and vital anatomy is accompanied by difficult distinctions of tumors from fibrosis and inflammation; the identification of precise tumor margins; or small, even disappearing, lesions on currently available imaging. The routine implementation of ultrasound use shifted the possibilities in the operating room, yet more precision is necessary to achieve negative resection margins. Modalities utilizing fluorescent-compatible dyes have proven their role in hepatopancreatobiliary surgery, although this is not yet a routine practice, as there are many limitations. Modalities, such as photoacoustic imaging or 3D holograms, are emerging but are mostly limited to preclinical settings. There is a need to identify and develop an ideal contrast agent capable of differentiating between malignant and benign tissue and to report on the prognostic benefits of implemented intraoperative imaging in order to navigate clinical translation.
357
23 Oct 2023
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