123 results match your criteria: "Saint Petersburg State University Hospital.[Affiliation]"

Could Be a Promising Marker for Preoperative Diagnosis of High-Grade Papillary Thyroid Carcinoma?

Diagnostics (Basel)

November 2024

Department of the Structure and Function of Chromosomes, Institute of Molecular and Cellular Biology, Siberian Branch of the Russian Academy of Sciences, Novosibirsk 630090, Russia.

Background/objectives: A modern classification distinguishes between two nosological entities posing an intermediate risk between differentiated and anaplastic carcinoma: poorly differentiated thyroid carcinoma and differentiated high-grade thyroid carcinoma. There are currently few studies searching for the preoperative molecular genetic markers of high-grade papillary thyroid carcinoma (PTC HG), primarily because of a recent WHO reclassification and singling out of a separate entity: high-grade follicular cell-derived nonanaplastic thyroid carcinoma. Therefore, this work was aimed at identifying PTC HG-specific microRNAs and mRNAs that reliably distinguish them from differentiated papillary thyroid carcinoma in preoperative cytology specimens (fine-needle aspiration biopsies).

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We aim to evaluate stone-free rate (SFR) and complications after flexible ureteroscopy (F-URS) for kidney stones, using a flexible and navigable suction ureteral access sheath (FANS), comparing thulium fiber laser (TFL) and high-power holmium:yttrium-aluminum-garnet laser (HPHL). Data from adults who underwent F-URS in 15 centers were prospectively analyzed (August 2023-January 2024). Exclusion criteria were ureteral stones, concomitant bilateral procedures, and renal abnormalities.

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Objective: To assess urologists' perceptions and current practices of using suction-based techniques and technologies in percutaneous nephrolithotomy (PCNL) and retrograde intrarenal surgery (RIRS) for kidney stones.

Materials And Methods: A customized web-based 28-item questionnaire was created. All participation was voluntary.

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Purpose: To systematically review the use of suction/vacuum-assisted retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL) in children/adolescents with kidney stones.

Methods: The PICOS model (Patient Intervention Comparison Outcome Study type) was used to frame and answer the clinical question; P: children and adolescent men with kidney stones; I: use of suction during PCNL or RIRS; C: no suction devices or none; O: complications and stone-free rate (SFR); S: prospective and retrospective studies; case reports. The literature search was performed on 14th May 2024 using Embase, PubMed, and Scopus.

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Introduction: We aimed to assess complications and stone-free rate of flexible ureteroscopy (FU) reusing disposable scopes (RDS) after repeated sterilization.

Methods: Data from adults from 11 centers were retrospectively reviewed (January 2020-December 2022). Inclusion criteria were proximal ureteral/renal stone(s).

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Article Synopsis
  • - Over the last 30 years, miniaturized percutaneous nephrolithotomy (mPCNL) has gained popularity due to its potential to reduce complications compared to standard procedures, but there's still debate over best practices and management strategies that hinders wider use.
  • - An international panel of urology experts developed a consensus document on mPCNL to provide a comprehensive framework for practice, which included reviewing literature, identifying research gaps, and conducting surveys to gather expert opinions.
  • - The study revealed 58 key questions on mPCNL practices, and consensus was achieved on 30 questions, affirming mPCNL as an effective technique for treating upper urinary tract stones in both adults and children.
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Article Synopsis
  • Pelvic organ prolapse (POP) is prevalent among women post-birth, affecting 40-60%, and often involves issues that can't be corrected without addressing connected defects like perineal body incompetency.
  • A clinical trial will involve 310 women, dividing them into two groups: one receiving standard procedures and the other receiving those plus perineoplasty.
  • The study aims to determine if adding perineoplasty improves the outcomes of pelvic organ prolapse surgery, as past research hasn't conclusively shown its effectiveness in preventing recurrence.
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Background And Objective: The widespread adoption and rapid integration of new technologies and techniques in endoscopic and laser bladder interventions, particularly endoscopic enucleation, have led to new types of bladder injuries. This underscores the need for an intraoperative injury classification system. This study aims to develop and validate the Bladder Injury Classification System for Endoscopic Procedures (BICEP), which standardizes the classification of complications and intervention requirements.

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Article Synopsis
  • * Data was collected from 16 centers, involving 142 patients, where 96.5% were stone-free 24 hours post-surgery, with a significant number achieving grade A (no fragments).
  • * The findings suggest that using FANS-UAS results in excellent safety and efficacy within 24 hours of surgery, with the only notable complication being transient fever in 7% of patients.
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In post-COVID-19 syndrome, clinical presentation of the nerve fiber dysfunction plays an important role. The possibility of autoantigen cross-mimicry of human coronaviruses and the peripheral nervous system needs to be investigated. The bioinformatic analysis was applied to search for possible common protein sequences located in the immunoreactive epitopes.

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Purpose: Traditionally, bilateral urolithiasis treatment involved staged interventions due to safety concerns. Recent studies have shown that same-sitting bilateral retrograde intrarenal surgery (SSB-RIRS) is effective, with acceptable complication rates. However, there's no clear data on the optimum laser for the procedure.

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The aim of this study was to construct the sixth in a series of guidelines on the treatment of urolithiasis by the International Alliance of Urolithiasis (IAU) that by providing a clinical framework for the management of pediatric patients with urolithiasis based on the best available published literature. All recommendations were summarized following a systematic review and assessment of literature in the PubMed database from January 1952 to December 2023. Each generated recommendation was graded using a modified GRADE methodology.

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Cardiac relaxation is a complex process that involves various interconnected characteristics and, along with contractile properties, determines stroke volume. Perioperative ischemia-reperfusion injury and left ventricular diastolic dysfunction (DD) are characterized by the left ventricle's inability to receive a sufficient blood volume under adequate preload. Baseline DD and perioperative DD have an impact on postoperative complications, length of hospital stay, and major clinical outcomes in a variety of cardiac pathologies.

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Acute normovolemic hemodilution in cardiac surgery: Rationale and design of a multicenter randomized trial.

Contemp Clin Trials

August 2024

Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy.

Article Synopsis
  • The study evaluates acute normovolemic hemodilution (ANH) as a method to decrease the need for red blood cell (RBC) transfusions in patients undergoing elective cardiac surgery, aiming to reduce associated risks and costs.
  • It is a randomized controlled trial conducted in various hospitals, where patients are assigned to either receive ANH before surgery or the best available alternative treatment.
  • The primary goal is to see if ANH lowers the percentage of patients requiring RBC transfusion from 35% to 28%, with secondary outcomes including mortality and complications related to kidney and bleeding issues.
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Aims: Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) prevalence varies from 8.4% to 25% of the male population and is associated with diminished health-related quality of life. Managing CP/CPPS remains challenging and there is not any common option to treat all patients effectively because of the complex disease nature.

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Currently, all pheochromocytoma/paraganglioma (PPGLs) are considered malignant due to metastatic potential. Consequently, PPGLs are divided into «metastatic» and «non-metastatic». Metastatic PPGLs can be with synchronous metastasis (metastases appear simultaneously with the identified primary tumor) or metachronous (metastases develop after removal of the primary tumor).

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The ureteral access sheath (UAS) has been a boon and a bane in flexible ureteroscopy (FURS), with its merits and demerits well established. Its design and dimensions were instrumental in reshaping the way flexible scopes were used and were key adjuncts to establishing retrograde intrarenal surgery (RIRS) as a standard of care in the endourological management of renal stones. With the ever-changing landscape of RIRS over the decades shaped by technological advancements in lasers and flexible scopes, the UAS has also continuously evolved.

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Purpose: To assess the incidence of the most common intra- and early postoperative complications following RIRS in a large series of patients with kidney stones.

Methods: We conducted a retrospective analysis of patients with kidney stones who underwent RIRS across 21 centers from January 2018 to August 2021, as part of the Global Multicenter Flexible Ureteroscopy Outcome (FLEXOR) Registry.

Results: Among 6669 patients undergoing RIRS, 4.

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Background: Papillary thyroid carcinoma (PTC) and follicular thyroid carcinoma (FTC) contribute to more than 95% of thyroid malignancies. However, synchronous PTC and FTC are less common; it is most commonly discovered incidentally as synchronous malignancies during operation, which adds difficulties to intraoperative decision-making and postoperative treatment. Therefore, we analyzed the clinicopathological characteristics and prognosis of patients with PTC and FTC in our center.

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Purpose: To assess management and outcomes of bladder neck stenosis (BNS) post-transurethral resection of the prostate (TURP) in 12 centers.

Patients And Methods: A retrospective analysis of patients who underwent transurethral BN incision for stenosis following TURP from January 2015 and January 2023 was performed. Inclusion criteria included endoscopic diagnosis of BNS associated with obstruction and/or lower urinary tract symptoms.

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A brief physiology and pathophysiology of the bladder.

Ann Transl Med

April 2024

Department of Urology, Faculty of Medicine and Health Sciences, University Hospital Antwerp, University of Antwerp, Antwerpen, Belgium.

The remit of this review is confined to experimental works and publications relevant to the integral theory of female urinary incontinence (IT). Since its first publication in 1990, the IT has challenged the general view that the pathogenesis of overactive bladder (OAB) (urge, frequency, nocturia) is unknown and there is no cure. According to the IT, normal function bladder control is binary, either closed or open.

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Peripheral muscle force balance/imbalance in neurological binary control of bladder function and dysfunction.

Ann Transl Med

April 2024

Department of Urology, Faculty of Medicine and Health Sciences, University Hospital Antwerpen, University of Antwerpen, Antwerpen, Belgium.

Bladder control is not from the bladder itself but from muscles and ligaments outside of it. Bladder control is binary, either closed or open. Control is exerted cortically, directly and via a peripheral pelvic mechanism comprising three reflex pelvic muscles which contract (variously) against pubourethral ligaments (PULs) anteriorly and uterosacral ligaments (USLs) posteriorly.

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Article Synopsis
  • The review focuses on experimental research regarding Chronic Pelvic Pain (CPP) based on the Integral Theory Paradigm (ITP), indicating that CPP affects up to 20% of women and is often considered incurable.
  • The ITP suggests that CPP is primarily caused by weak uterosacral ligaments (USLs) that fail to support visceral nerve plexuses, leading to pain perceptions in the brain.
  • The "posterior fornix syndrome" (PFS) links CPP with other symptoms like bladder issues, and surgical repair of USLs may offer a potentially curative treatment, while non-surgical options like exercises and mechanical support also exist.
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