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BACKGROUND: Medical simulation is essential for surgical training yet is often too expensive and inaccessible in low- and middle-income countries (LMICs). Furthermore, in otolaryngology-head and neck surgery (OHNS), while simulation training is often focused on senior residents and specialists, there is a critical need to target general practitioners who carry a significant load of OHNS care in countries with limited OHNS providers. This scoping review aims to describe affordable, effective OHNS simulation models for early-stage trainees and non-OHNS specialists in resource-limited settings and discuss gaps in the literature...

BACKGROUND: Pectus arcuatum, also known as horns of steer anomaly or Currarino-Silverman Syndrome, is a distinct chest wall anomaly characterized by severe manubriosternal angulation, a shortened sternum, and mild pectus excavatum. The anomaly is typically repaired using open techniques, employing orthopedic fixation devices. Here, we report the results of a minimally invasive hybrid procedure to repair pectus arcuatum. METHODS: The procedure combines a standard Nuss procedure to correct the depressed sternum with a short upper chest (in boys) or inter-mammary (in girls) incision for bilateral subperichondrial resection of the upper costal cartilages, osteotomy, and correction of the manubrial angulation...

This article aims to present cryoanalgesia as an inventive strategy for pain alleviation among pediatric patients. It underlines the tremendous need to align pain management with the principles of the enhanced recovery after surgery (ERAS) approach. The aim of the study was to review the patient outcomes of nerve cryoanalgesia during surgery reported with regard to ERAS in the literature. The literature search was performed using PubMed and Embase to identify articles on the use of cryoanalgesia in children...

OBJECTIVE: Lack of biomimicry in geometry and flow conditions of emissions systems for analytical testing and biological exposure has led to fundamental limitations, including a poor understanding of dose delivered to specific airway locations. This work characterizes mass distribution of a JUUL® brand e-cigarette in a Biomimetic Aerosol Exposure System (BAES). MATERIALS AND METHODS: A combination of mass balance, direct measurements, and inferences based on direct measurements were used to characterize regional and local dose as a function of system flow path configuration and emissions topography profile...

Clear visualization during transnasal endoscopic surgery (TNES) is crucial for safe, efficient surgery. The endoscopic surgical field clarity index (ESFCI) is an artificial intelligence-enabled measure of surgical field quality. The ESFCI allows researchers to evaluate interventions to improve visualization during TNES.

BACKGROUND: Treating tibial non-unions efficiently presents a challenge for orthopaedic trauma surgeons. The established gold standard involves implanting autologous bone graft with adequate fixation, but the addition of biologicals according to the so-called diamond concept has become increasingly popular in the treatment of non-unions. Previous studies have indicated that polytherapy, which involves implanting mesenchymal stem cells, bioactive factors and osteoconductive scaffolds, can improve bone healing...

Background: Bar stabilization during minimally invasive pectus excavatum repair (MIRPE) is critical to avoid dislodgement. Multiple techniques are described including stabilizers, wires, and sutures. This retrospective study compared bar movement and outcomes between existing techniques and ZipFix™, a biocompatible cable tie. Methods: Patients ≤20 years of age who underwent MIRPE with ZipFix between January 2021 and September 2022 were compared with historical controls who underwent repair by same surgeons between January 2018 and December 2020 using stabilizers or polydioxanone suture (PDS)...

In October 2023, the Tel Aviv District was notified of ten cases of measles. The outbreak initiated in a preschool with high vaccination coverage with one dose of MMR vaccine. Serological testing was available for eight patients (six children and two adults). Among the six children vaccinated with one dose of MMR vaccine, primary vaccine failure was demonstrated. Among the adults, secondary vaccine failure was confirmed. The outbreak was successfully contained due to a combination of factors, notably its occurrence within a population characterized by high vaccination coverage in Tel Aviv, during a period of restricted public interactions due to the prevailing state of war in the country...

OBJECTIVE: The Nuss bar removal procedure may bring about different complications. Some are mild while others can be life-threatening. An adequate surgery setup and the fulfilment of some security steps may reduce their incidence. This study aims to analyze our experience with the complications that occurred during bar removal and our safety protocol for the prevention and management of these complications. MATERIALS AND METHODS: Observational cohort study from a retrospective chart review of all patients who underwent Nuss bar removal from November 2013 to March 2022 at a University hospital...

BACKGROUND: Torsion of the spiral colon (TSC) describes twisting of the spiral colon around its mesentery. The present study reviewed the medical records of 58 cows and heifers with TSC and described the findings, treatment and outcome. RESULTS: All cases had an abnormal general condition, and the main vital sign abnormalities were tachycardia (72.4%), tachypnoea (67.2%) and decreased rectal temperature (51.8%). Signs of colic were seen in 62.1% of the cows. The most common intestinal abnormalities were an empty or almost empty rectum (96...

INTRODUCTION/BACKGROUND: Safe and quality surgery is crucial for child health. In Rwanda, district hospitals serve as primary entry points for pediatric patients needing surgical care. This paper reports on the organizational readiness and facility capacity to provide pediatric surgery in three district hospitals in rural Rwanda. METHODS: We administered the Children's Surgical Assessment Tool (CSAT), adapted for a Rwandan district hospital, to assess facility readiness across 5 domains (infrastructure, workforce, service delivery, financing, and training) at three Partners in Health supported district hospitals (Kirehe, Rwinkwavu, and Butaro District Hospitals)...

BACKGROUND: The Nuss procedure is currently the mainstream of pectus excavatum (PE) surgery; however, it is considered to be more difficult for asymmetric cases than for symmetric ones. Sternocostal elevation (SCE), which was performed at our hospital, is a surgical method that determines the extent of resection of the costal cartilage while comparing the left and right balance during surgery; thus, it is highly useful for correcting rib cage with strong asymmetry. METHODS: Of the 256 patients who underwent SCE at our hospital between July 2014 and July 2022, 58 (22...

BACKGROUND: Halting and reversing the upward trend in obesity requires sustained implementation of comprehensive, evidence-based strategies at the population-level. The LiveLighter® program targets adults using a range of public education strategies, including mass media campaigns, to support healthy lifestyle changes to attain or maintain a healthy weight and reduce the risk of chronic disease. LiveLighter® has been implemented in Western Australia (WA) since 2012 and, to our knowledge, includes the longest running adult-targeted mass media campaign for healthy weight and lifestyle promotion and education globally...

In order to shape a tissue, individual cell-based mechanical forces have to be integrated into a global force pattern. Over the last decades, the importance of actomyosin contractile arrays, which are the key constituents of various morphogenetic processes, has been established for many tissues. Recent studies have demonstrated that the microtubule cytoskeleton mediates folding and elongation of the epithelial sheet during Drosophila morphogenesis, placing microtubule mechanics on par with actin-based processes...

OBJECTIVE: Severity for pectus excavatum includes Haller index >3.25. An extremely high Haller index (≥8) may influence surgical approach and complications. This study reviews outcomes of high Haller index patients after repair. METHODS: A single institution retrospective analysis was performed on adult patients with Haller index ≥8 undergoing pectus excavatum repairs. For outcomes, a propensity-matched control group with a Haller index ≤4 was utilized...

STUDY OBJECTIVE: To determine if baseline cytokines and their changes over postoperative days 0-2 (POD0-2) predict acute and chronic postsurgical pain (CPSP) after major surgery. DESIGN: Prospective, observational, longitudinal nested study. SETTING: University-affiliated quaternary children's hospital. PATIENTS: Subjects (≥8 years old) with idiopathic scoliosis undergoing spine fusion or pectus excavatum undergoing Nuss procedure...

Limited data are available on the implications on pregnancy following pectus bar implantation for correction of pectus excavatum (Nuss procedure), while the pectus bars are in place. Limited data is also available on long-term reproductive implications following pectus bar removal.Providers at times need to consider the necessity to counsel a woman desiring pectus excavatum correction and pregnancy whether to postpone one of the two in favour of the other.We present the case of a woman of reproductive age with an uneventful pregnancy and delivery while carrying an implanted pectus bar and subsequent uneventful pregnancy and delivery after bar removal...

BACKGROUND: Usually, pectus bars are removed 3 years after the Nuss procedure in patients with pectus excavatum. However, the optimal timing for postoperative pectus bar removal remains undefined. Our study investigated the effects of delayed pectus bar removal after Nuss repairs. METHODS: Retrospective data were collected on patients who underwent Nuss procedures for pectus excavatum and had their bars removed from August 2014 to December 2020. Patients with correction periods > 3 years were divided into group A (< 6 years) and group B (≥ 6 years)...

INTRODUCTION: Epidural analgesia is currently considered the gold standard in postoperative pain management for the minimally invasive Nuss procedure for pectus excavatum. Alternative analgesic strategies (eg, patient-controlled analgesia and paravertebral nerve block) fail in accomplishing adequate prolonged pain management. Furthermore, the continuous use of opioids, often prescribed in addition to all pain management strategies, comes with side effects. Intercostal nerve cryoablation seems a promising novel technique...