Preanalytical quality control practices in clinical laboratoryDr. Rajesh Bendre
Preanalytical variables contribute maximally to lab errors. However, these variables are most difficult to control as they include human dependency for phlebotomy skills & pretest patient conditioning. Quantifying & monitoring these variables is also more challenging. Use of checklists, continuous training, competency assessments, internal audits & clinician education for appropriate test utilization form some of the tools for improving the preanalytical processes.
Preanalytical quality control practices in clinical laboratoryDr. Rajesh Bendre
Preanalytical variables contribute maximally to lab errors. However, these variables are most difficult to control as they include human dependency for phlebotomy skills & pretest patient conditioning. Quantifying & monitoring these variables is also more challenging. Use of checklists, continuous training, competency assessments, internal audits & clinician education for appropriate test utilization form some of the tools for improving the preanalytical processes.
Slides on medical laboratory testing process and pre-analytical factors that might contribute to laboratory errors and sample rejection, and how to prevent it.
Quality in clinical laboratory is a continuous journey of improving processes through team work, innovative solutions, regulatory compliance with final objective to meet the evolving needs of clinicians & patients.
This presentation in mainly focused of understanding of automation and its utility in cytopathology. It will be very usefull for postgraduate in pathology, cytopathologist and cytotechnicians.
Clinical laboratory total quality management (TQM) systemTapeshwar Yadav
Generally, management can be defined as “an ongoing process that seeks to achieve the objectives of an organization in the most efficient ways possible”.
Only sound management of quality in health laboratories will enable countries to produce test results that the international community will trust in cases of international emergency.
Medical laboratory work is composed of the technical activities that produce laboratory results for patient care and the management activities that support the technical work.
It is the job of the laboratory technical staff to perform pre-analytic activities, analytic activities and post analytic activities that transforms a clinician’s order for a laboratory test.
How often is Right for Laboratory Quality Control?Randox
Improving Laboratory Performance Through QC - How often is right for QC? Ask the Right Questions to get the Right Answers.
It is widely accepted that laboratories should perform QC at least every day of patient testing. However, is this adequate for every assay and for every laboratory? Is running QC once per day really sufficient? what is the "right" frequency for running QC samples in your laboratory?
Integrate RWE into clinical developmentIMSHealthRWES
With greater application of RWE throughout the pharmaceutical
lifecycle, learnings are emerging that offer guidance for
approaches to derive the maximum value. This article captures
the author’s experience at a leading international biotech, with
insights for smoothing RWE assimilation into clinical
development and realizing the benefits it brings.
Slides on medical laboratory testing process and pre-analytical factors that might contribute to laboratory errors and sample rejection, and how to prevent it.
Quality in clinical laboratory is a continuous journey of improving processes through team work, innovative solutions, regulatory compliance with final objective to meet the evolving needs of clinicians & patients.
This presentation in mainly focused of understanding of automation and its utility in cytopathology. It will be very usefull for postgraduate in pathology, cytopathologist and cytotechnicians.
Clinical laboratory total quality management (TQM) systemTapeshwar Yadav
Generally, management can be defined as “an ongoing process that seeks to achieve the objectives of an organization in the most efficient ways possible”.
Only sound management of quality in health laboratories will enable countries to produce test results that the international community will trust in cases of international emergency.
Medical laboratory work is composed of the technical activities that produce laboratory results for patient care and the management activities that support the technical work.
It is the job of the laboratory technical staff to perform pre-analytic activities, analytic activities and post analytic activities that transforms a clinician’s order for a laboratory test.
How often is Right for Laboratory Quality Control?Randox
Improving Laboratory Performance Through QC - How often is right for QC? Ask the Right Questions to get the Right Answers.
It is widely accepted that laboratories should perform QC at least every day of patient testing. However, is this adequate for every assay and for every laboratory? Is running QC once per day really sufficient? what is the "right" frequency for running QC samples in your laboratory?
Integrate RWE into clinical developmentIMSHealthRWES
With greater application of RWE throughout the pharmaceutical
lifecycle, learnings are emerging that offer guidance for
approaches to derive the maximum value. This article captures
the author’s experience at a leading international biotech, with
insights for smoothing RWE assimilation into clinical
development and realizing the benefits it brings.
College Writing II Synthesis Essay Assignment Summer Semester 2017.docxclarebernice
College Writing II Synthesis Essay Assignment Summer Semester 2017
Directions:
For this assignment you will be writing a synthesis essay. A synthesis is a combination of two or more summaries and sources. In a synthesis essay you will have three paragraphs, an introduction, a synthesis and a conclusion.
In the introduction you will give background information about your topic. You will also include a thesis statement at the end of the introduction paragraph. The thesis statement should describe the goal of your synthesis. (informative or argumentative)
The second paragraph is the synthesis. You will combine two summaries of two different articles on the same topic. You will follow all summary guidelines for these two paragraphs. The synthesis will most likely either argue or inform the reader about the topic.
The conclusion paragraph should summarize the points of your essay and restate the general ideas.
For this essay you will read two research articles on a similar topic to the previous critical review essay as you can use this research in your inquiry paper. You will summarize both articles in two paragraphs and combine the paragraphs for your synthesis. In the synthesis you must include the main ideas of the articles and the author, title, and general idea in the first sentences.
This essay will be three pages long and the first draft and peer review are due June 15. You must turn them in hardcopy in class so you can do a peer review.
Running head: THESIS DRAFT 1
THESIS DRAFT 3Thesis Draft
Katelyn B. Rhodes
D40375299
DeVry University
Point-of-Care Testing (PoCT) has dramatically taken over the field of clinical laboratory testing since it’s introduction approximately 45 years ago. The technologies utilized in PoCT have been refined to deliver accurate and expedient test results and will become even more sensitive and accurate in order to dominate the field of clinical laboratory testing. Furthermore, there will be a dramatic increase in the volume of clinical testing performed outside of the laboratory. New and emerging PoCT technologies utilize sophisticated molecular techniques such as polymerase chain reaction to aid in the treatment of major health problems worldwide, such as sexually transmitted infections (John & Price, 2014).
Historic Timeline
In the early-to-mid 1990’s, bench top analyzers entered the clinical laboratory scene. These analyzers were much smaller than the conventional analyzers being used, and utilized touch-screen PCs for ease of use. For this reason, they were able to be used closer to the patient’s bedside or outside of the laboratory environment. However, at this point in time, laboratory testing results were stored within the device and would have to then be sent to the main central laboratory for analysis.
Technology in the mid-to-late 1990’s permitted analyzers to be much smaller so that they may be easily carried to the patient’s location. Computers also became more ...
NASSCOM CoE IoT spearheaded a high-level industry roundtable to discuss firsthand the challenges & opportunities in India’s clinical trial industry and how technology can accelerate development
The past few years have heralded much excitement around the uses of Point of Care Testing (PoCT). With advancements in electronics, the miniaturization and digitization of technology has spilled over into the realm of medical diagnostics. Through portable, transportable and handheld instruments, PoCT is the ability to bring the diagnostic capabilities of a laboratory to the patients’ bedsides. It is effectively a potential solution to some of the health problems that India faces, especially in the context of the heavy burden of infectious diseases that plagues it and its large rural population with limited or no access to testing facilities.
Artificial Intelligence in Laboratory Services in Healthcare SectorDr. Shruti Aggarwal
A presentation where content is laid out in a research format to give insights on role of artificial intelligence in Laboratory services in healthcare sector
Biomarker is an objective measure that has been evaluated and confirmed either as an indicator of physiologic health, a pathogenic process or a pharmacologic response to a therapeutic intervention. Biomarkers, whether produces by normal healthy individuals or by individuals affected by specific systemic diseases, are tell tale molecules that could be used to monitor health status, disease onset, treatment response and outcome.The biomarkers can help for the determination of present as well as future disease activity along with diagnosis and previous periodontal diseases.
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...University of Maribor
Slides from:
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Track: Artificial Intelligence
https://www.etran.rs/2024/en/home-english/
(May 29th, 2024) Advancements in Intravital Microscopy- Insights for Preclini...Scintica Instrumentation
Intravital microscopy (IVM) is a powerful tool utilized to study cellular behavior over time and space in vivo. Much of our understanding of cell biology has been accomplished using various in vitro and ex vivo methods; however, these studies do not necessarily reflect the natural dynamics of biological processes. Unlike traditional cell culture or fixed tissue imaging, IVM allows for the ultra-fast high-resolution imaging of cellular processes over time and space and were studied in its natural environment. Real-time visualization of biological processes in the context of an intact organism helps maintain physiological relevance and provide insights into the progression of disease, response to treatments or developmental processes.
In this webinar we give an overview of advanced applications of the IVM system in preclinical research. IVIM technology is a provider of all-in-one intravital microscopy systems and solutions optimized for in vivo imaging of live animal models at sub-micron resolution. The system’s unique features and user-friendly software enables researchers to probe fast dynamic biological processes such as immune cell tracking, cell-cell interaction as well as vascularization and tumor metastasis with exceptional detail. This webinar will also give an overview of IVM being utilized in drug development, offering a view into the intricate interaction between drugs/nanoparticles and tissues in vivo and allows for the evaluation of therapeutic intervention in a variety of tissues and organs. This interdisciplinary collaboration continues to drive the advancements of novel therapeutic strategies.
This pdf is about the Schizophrenia.
For more details visit on YouTube; @SELF-EXPLANATORY;
https://www.youtube.com/channel/UCAiarMZDNhe1A3Rnpr_WkzA/videos
Thanks...!
Multi-source connectivity as the driver of solar wind variability in the heli...Sérgio Sacani
The ambient solar wind that flls the heliosphere originates from multiple
sources in the solar corona and is highly structured. It is often described
as high-speed, relatively homogeneous, plasma streams from coronal
holes and slow-speed, highly variable, streams whose source regions are
under debate. A key goal of ESA/NASA’s Solar Orbiter mission is to identify
solar wind sources and understand what drives the complexity seen in the
heliosphere. By combining magnetic feld modelling and spectroscopic
techniques with high-resolution observations and measurements, we show
that the solar wind variability detected in situ by Solar Orbiter in March
2022 is driven by spatio-temporal changes in the magnetic connectivity to
multiple sources in the solar atmosphere. The magnetic feld footpoints
connected to the spacecraft moved from the boundaries of a coronal hole
to one active region (12961) and then across to another region (12957). This
is refected in the in situ measurements, which show the transition from fast
to highly Alfvénic then to slow solar wind that is disrupted by the arrival of
a coronal mass ejection. Our results describe solar wind variability at 0.5 au
but are applicable to near-Earth observatories.
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...Ana Luísa Pinho
Functional Magnetic Resonance Imaging (fMRI) provides means to characterize brain activations in response to behavior. However, cognitive neuroscience has been limited to group-level effects referring to the performance of specific tasks. To obtain the functional profile of elementary cognitive mechanisms, the combination of brain responses to many tasks is required. Yet, to date, both structural atlases and parcellation-based activations do not fully account for cognitive function and still present several limitations. Further, they do not adapt overall to individual characteristics. In this talk, I will give an account of deep-behavioral phenotyping strategies, namely data-driven methods in large task-fMRI datasets, to optimize functional brain-data collection and improve inference of effects-of-interest related to mental processes. Key to this approach is the employment of fast multi-functional paradigms rich on features that can be well parametrized and, consequently, facilitate the creation of psycho-physiological constructs to be modelled with imaging data. Particular emphasis will be given to music stimuli when studying high-order cognitive mechanisms, due to their ecological nature and quality to enable complex behavior compounded by discrete entities. I will also discuss how deep-behavioral phenotyping and individualized models applied to neuroimaging data can better account for the subject-specific organization of domain-general cognitive systems in the human brain. Finally, the accumulation of functional brain signatures brings the possibility to clarify relationships among tasks and create a univocal link between brain systems and mental functions through: (1) the development of ontologies proposing an organization of cognitive processes; and (2) brain-network taxonomies describing functional specialization. To this end, tools to improve commensurability in cognitive science are necessary, such as public repositories, ontology-based platforms and automated meta-analysis tools. I will thus discuss some brain-atlasing resources currently under development, and their applicability in cognitive as well as clinical neuroscience.
Introduction:
RNA interference (RNAi) or Post-Transcriptional Gene Silencing (PTGS) is an important biological process for modulating eukaryotic gene expression.
It is highly conserved process of posttranscriptional gene silencing by which double stranded RNA (dsRNA) causes sequence-specific degradation of mRNA sequences.
dsRNA-induced gene silencing (RNAi) is reported in a wide range of eukaryotes ranging from worms, insects, mammals and plants.
This process mediates resistance to both endogenous parasitic and exogenous pathogenic nucleic acids, and regulates the expression of protein-coding genes.
What are small ncRNAs?
micro RNA (miRNA)
short interfering RNA (siRNA)
Properties of small non-coding RNA:
Involved in silencing mRNA transcripts.
Called “small” because they are usually only about 21-24 nucleotides long.
Synthesized by first cutting up longer precursor sequences (like the 61nt one that Lee discovered).
Silence an mRNA by base pairing with some sequence on the mRNA.
Discovery of siRNA?
The first small RNA:
In 1993 Rosalind Lee (Victor Ambros lab) was studying a non- coding gene in C. elegans, lin-4, that was involved in silencing of another gene, lin-14, at the appropriate time in the
development of the worm C. elegans.
Two small transcripts of lin-4 (22nt and 61nt) were found to be complementary to a sequence in the 3' UTR of lin-14.
Because lin-4 encoded no protein, she deduced that it must be these transcripts that are causing the silencing by RNA-RNA interactions.
Types of RNAi ( non coding RNA)
MiRNA
Length (23-25 nt)
Trans acting
Binds with target MRNA in mismatch
Translation inhibition
Si RNA
Length 21 nt.
Cis acting
Bind with target Mrna in perfect complementary sequence
Piwi-RNA
Length ; 25 to 36 nt.
Expressed in Germ Cells
Regulates trnasposomes activity
MECHANISM OF RNAI:
First the double-stranded RNA teams up with a protein complex named Dicer, which cuts the long RNA into short pieces.
Then another protein complex called RISC (RNA-induced silencing complex) discards one of the two RNA strands.
The RISC-docked, single-stranded RNA then pairs with the homologous mRNA and destroys it.
THE RISC COMPLEX:
RISC is large(>500kD) RNA multi- protein Binding complex which triggers MRNA degradation in response to MRNA
Unwinding of double stranded Si RNA by ATP independent Helicase
Active component of RISC is Ago proteins( ENDONUCLEASE) which cleave target MRNA.
DICER: endonuclease (RNase Family III)
Argonaute: Central Component of the RNA-Induced Silencing Complex (RISC)
One strand of the dsRNA produced by Dicer is retained in the RISC complex in association with Argonaute
ARGONAUTE PROTEIN :
1.PAZ(PIWI/Argonaute/ Zwille)- Recognition of target MRNA
2.PIWI (p-element induced wimpy Testis)- breaks Phosphodiester bond of mRNA.)RNAse H activity.
MiRNA:
The Double-stranded RNAs are naturally produced in eukaryotic cells during development, and they have a key role in regulating gene expression .
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
2. There have been various predictions about the future of laboratory medicine and
its subspecialties, both general and specific. This article, “Future of Laboratory
Medicine” presents an overview of previous predictions that have already
become a reality and some future predictions that are expected to play a critical
role in this specialty.
INTRODUCTION
3. LABORATORY ORGANIZATION
AND STAFFING
• Futurists predict a world that will be dominated
by large supra-regional tertiary centres or
laboratory networks that will be formed as a result
of laboratory consolidation.
• The number of laboratories will reduce, driven by
outsourcing of laboratory services, competition
between laboratories for hospital work and the
commoditisation of laboratory tests.
• Laboratory staff will be expected to deal with
demand management, and will be responsible for
providing additional consultative services related
to laboratory testing. The future role of
laboratories will be more geared toward quality
control, reducing laboratory errors, eliminating
unnecessary testing and focusing on the
challenges of global harmonisation.
4. AUTOMATION
AND ROBOTICS
• Now days, the capabilities of humanoid robots
remain limited, and the process of automation
and robotics has been quite slow in laboratory
specific areas such as microbiology, molecular
pathology and anatomic pathology
• It is believed that the demand for automation
and robotics will continue to rise, because of the
need to have more cost efficient laboratories
• While robotics may still have a long way to go, it
is not entirely unreasonable to hope that in
future, machines may play an important role in
laboratories.
5. POINT-OF-CARE
TESTING
• Many experts strongly believe that the future of
laboratory medicine will be inclined towards more
testing at point-of-care. It would also involve the
integration of point-of-care testing into patient
management strategies and pathways of care and
more testing at home.
• Point-of-care testing offers several benefits,
including low cost, portability, simplicity,
flexibility and built-in quality control. Predictions
suggest that point to hand-held devices could be
used for monitoring the top eight infectious
pathogens.
6. TELEPATHOLOGY
• Telepathology is already in use in some clinical
laboratories, and its use for manual
interpretation of differential blood counts is
now routine. However, telepathology is not
used routinely in surgical pathology, and
digital slide scanning systems for primary
diagnosis of surgical pathology have not
gained approval in the U.S.
• It is predicted that smartphones, tablets and
other mobile devices can become the hub of
medicine in future and telehealth will be an
important component as more telehealth
applications develop.
7. GENOMICS
• Genomics is expected to be very visible in future
for both pharmaceutical companies and private
laboratory services.
• There will be widespread use of DNA probes,
neonatal genetic screening, viral load
monitoring, high-density SNP diagnostic assays,
electrochemical detection of infectious agents,
gene mutation analysis, and gene and protein
profiling.
8. PROTEOMICS
• Proteomics is believed to be the basis for
future diagnostic tests.
• It is expected that analytical systems will be
developed that will be capable of testing
hundreds and thousands of different proteins.
• There are between 250,000 and 1,000,000
proteins in human cells. Many of these remain
unstudied but in future, they could form the
basis of a new diagnostic test.
9. CONCLUSION
01 02
Most of the predictions about laboratory medicine are
optimistic, and are geared towards the development of more effective
treatments, eradication of disease and longer lives. Telemedicine is
predicted to play an important role for the period 2032-2062. It is
important to remember though that making predictions is not an exact
science and there are many previous predictions that have not
materialised yet. However, an examination of the future helps in the
planning process, and enables management teams to develop skills
and acquire resources that could potentially lead them to making these
predictions a reality. 04
10. KEY POINTS
• Predictions about the future of laboratory
medicine continue to be a source of interest
for healthcare professionals.
• Two simultaneous trends seem to be
emerging in this field. One is the
consolidation of traditional laboratory
testing and second is the expanding new
market for near-patient testing.
• It is believed that in future better informed
patients will eventually drive down the cost
of laboratory testing.
• Most of the predictions are optimistic and
are geared towards the development of more
effective treatments, eradication of disease
and longer lives.
11. REFERENCE
The Future of Laboratory Medicine
https://healthmanagement.org/c/healthmanage
ment/issuearticle/the-future-of-laboratory-
medicine-1?
