Introduction: Compliance with the European Working Time Directive has made obvious the need for a surgical skills training system that will produce surgeons fast and reliably. We have previously proposed a model for objective assessment of surgical dexterity. In this paper we aim to place an updated version of that model into the context of a holistic approach on assessment of a trainee's progress towards becoming an independently operating surgeon.
Methods: The PAR matrix breaks down an operation into clearly defined skills that need to be successively acquired. It consists of a 3 x 6 table depicting 18 skill-goals. The y-axis is divided into six levels and the x-axis into three columns. The initials of the three skills on each level form the acronym PAR. Each skill is further graded from 1 to 3 (unsatisfactory, competent, good). The levels are: Level 1--posture, address, relaxation; Level 2--pick-up, airtime, rotation; Level 3--placing, angles, rhythm; Level 4--precision, adaptability, reproducibility; Level 5--pace, awareness, relations; Level 6--planning, announce, review/reflexion.
Results: The format of the PAR model is such that it allows trainer and trainee to objectively assess progress, identify deficiencies and strengths and formulate an appropriate plan of action.
Conclusion: Ergonomics and crew resource management skills are essential for a safe operating environment. The PAR matrix may prove helpful in selection of trainees and revalidation of trainee surgeons as a competence and performance testing method, placed in the appropriate training curriculum.
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http://dx.doi.org/10.1016/j.ejcts.2009.02.052 | DOI Listing |
ACS Biomater Sci Eng
January 2025
Department of Mechanical Engineering, Cleveland State University, Cleveland, Ohio 44115, United States.
Polyetheretherketone (PEEK) is a high-performance polymer material for developing varying orthopedic, spine, cranial, maxillofacial, and dental implants. Despite their commendable mechanical properties and biocompatibility, the major limitation of PEEK implants is their low affinity to osseointegrate with the neighboring bone. Over the last two decades, several efforts have been made to incorporate bioactive components such as bioceramic particles in PEEK to enhance its osseointegration capacity.
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January 2025
Control of the immune response B and lymphoproliferation, CNRS UMR 7276, INSERM UMR 1262, University of Limoges, Centre de référence de l'amylose AL et autres maladies par dépôts d'immunoglobuline monoclonale, Limoges, France; Service de néphrologie et Centre National de référence amylose AL et autres maladies à dépôts d'immunoglobulines monoclonales, Centre Hospitalier Universitaire, Université de Poitiers, Poitiers, France.
Discov Oncol
December 2024
Department of Cerebrovascular Disease, Suining First People's Hospital, No. 2 Wentao Road, High-Tech Zone, Suining, 629000, Sichuan, China.
The immune response plays a pivotal role in tumor progression and therapy. However, the influence of protein PAR polymerases (PARPs) modifications on cell infiltration within the tumor microenvironment (TME) remains insufficiently understood. In this study, the Clinical and RNA sequencing data we performed a comprehensive analysis of PARPs modification patterns, exploring their associations with TME cell infiltration were acquired from the Cancer Genome Atlas (TCGA) and Chinese Glioma Genome Atlas (CGGA) database.
View Article and Find Full Text PDFAnal Chim Acta
January 2025
Departamento de Farmácia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, 39100000, Diamantina, Minas Gerais, Brazil. Electronic address:
Background: Paracetamol or acetaminophen (APAP), or acetaminophen, is a widely used medication for pain relief and fever reduction due to its analgesic and antipyretic properties. However, excessive APAP consumption can lead to severe hepatotoxicity and nephrotoxicity, posing overdose risks. Consequently, the development of analytical methods for an accurate and rapid detection of APAP in biological matrices is of great interest in the health-related fields.
View Article and Find Full Text PDFMicroorganisms
November 2024
Biofilm Research Group, School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
This study details a comprehensive biochemical and structural characterization of exiguolysin, a novel thermolysin-like, caseinolytic peptidase secreted by a marine isolate of strain BW26. Exiguolysin demonstrated optimal proteolytic activity at 37 °C and pH 3, retaining 85% activity at 50 °C, highlighting its potential stability under broad reaction conditions. SDS-PAGE and LC-MS analysis identified the enzyme as a 32 kDa M4-family metalloprotease.
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