11,657 results on '"PHLEBOTOMY"'
Search Results
2. Augmented Reality Heads-up Display to Improve Ultrasound Guided IV Access
- Author
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Ali Dhanaliwala, Physician
- Published
- 2024
3. Efficacy of Animation, Buzzy, and Multiple Interventions on Pain in Children
- Author
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Buket MERAL, Research Asistant
- Published
- 2024
4. Rainbow phlebotomy collection and urine aliquots for emergency department add-on testing in the era of pandemic-driven supply shortages.
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Potter, Scott, Rudolf, Joseph W, and Pearson, Lauren N
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CROSS-sectional method , *PHLEBOTOMY , *COMPUTER software , *MEDICAL supplies , *SUPPLY chains , *HOSPITAL emergency services , *DECISION making , *COST benefit analysis , *DESCRIPTIVE statistics , *SURVEYS , *ROUTINE diagnostic tests , *EMAIL , *WORKFLOW , *PATHOLOGICAL laboratories , *URINALYSIS , *HEALTH facilities , *COVID-19 pandemic , *MANAGEMENT ,URINE collection & preservation - Abstract
Background Rainbow blood draws for add-on testing in the emergency department (ED) are a common practice at our institution. We sought to determine the prevalence of this practice among reference laboratory clients and characterize the impact of pandemic-driven supply shortages. Methods This cross-sectional study surveyed 354 client laboratories to understand specimen collection practices in specific clinical environments and how these practices may have been affected by supply chain shortages. Data analysis by descriptive statistics was performed in Qualtrics. Results A total of 138 laboratories took the survey (39% response rate) with 57% indicating that their ED performed rainbow draws. Of these, 16% have a formal policy regarding rainbow draws, and 76% of respondents indicated that their institution was required to modify practices due to pandemic-driven supply shortages. A total of 19% indicated they routinely collect multiple urine aliquots for add-on testing. Conclusion Rainbow draws and collection of urine aliquots in the ED for add-on testing are relatively common practices, with few institutions maintaining formal policies regarding the practice. Pandemic-driven supply chain shortages affected a majority of respondent laboratories and local cost-benefit analysis regarding extra specimen collection is recommended to limit waste of laboratory resources. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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5. The Celtic Curse: Screening Children for Genetic Haemochromatosis.
- Author
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Brown, Julie
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LIFESTYLES , *PHLEBOTOMY , *SURVIVAL rate , *POPULATION geography , *HEMOCHROMATOSIS , *IRISH people , *ENVIRONMENTAL exposure , *GENETIC testing , *DIETARY supplements , *DISEASE complications , *CHILDREN - Published
- 2024
- Full Text
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6. Use of Esmarch bandage does not increase peripheral vein size in healthy volunteers: A randomized clinical trial.
- Author
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Paterson, Robert, Euerle, Brian, Salerno, Alexis, Miller, Taylor, King, Samantha, and Gatz, J. David
- Abstract
Ultrasound is used for peripheral intravenous (PIV) cannulation in patients with difficult landmark-guided IV access in the Emergency Department. Distal-to-proximal application of an Esmarch bandage on the target limb has been suggested as a method for increasing vein size and ease of cannulation. This study was a single-blinded crossover randomized controlled trial comparing basilic vein size under ultrasound with use of an Esmarch bandage in addition to standard IV tourniquet ("tourniquet + Esmarch") compared to use of a standard IV tourniquet alone. Participant discomfort with the tourniquet + Esmarch was also compared to that with standard IV tourniquet alone. Twenty-two healthy volunteers were used to measure basilic vein size with and without the Esmarch bandage. There was no difference in basilic vein size between the two groups, with a mean diameter of 6.0 ± 1.5 mm in the tourniquet + Esmarch group and 6.0 ± 1.4 mm in the control group, p = 0.89. Discomfort score (from 0 to 10) was different between the groups, with a mean discomfort score of 2.1 in the tourniquet + Esmarch group and 1.1 in the standard IV tourniquet alone group (p < 0.001). This study showed that the use of an Esmarch bandage does not increase basilic vein size in healthy volunteers but is associated with a mild increase in discomfort. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
7. Impact of Phlebotomy on Quality of Life in Low-Risk Polycythemia Vera.
- Author
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Visweshwar, Nathan, Fletcher, Bradley, Jaglal, Michael, Laber, Damian A., Patel, Ankita, Eatrides, Jennifer, Rathnakumar, Geetha Rajasekharan, Iyer, Keshav Visweswaran, Ayala, Irmel, and Manoharan, Arumugam
- Subjects
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POLYCYTHEMIA vera , *ACUTE myeloid leukemia , *MYELOPROLIFERATIVE neoplasms , *CORONARY artery disease , *VENOUS thrombosis - Abstract
Polycythemia vera is an indolent myeloproliferative disorder that predisposes patients to venous and arterial thrombosis and can transform into myelofibrosis and acute myeloid leukemia. Consistent phlebotomy prevents life-threatening cerebrovascular and coronary artery disease and prolongs survival in low-risk polycythemia vera (patients under 60 years without thrombosis). However, despite its effectiveness in preventing serious complications, phlebotomy does not necessarily enhance the quality of life (QoL). This review assesses QoL issues associated with low-risk PV, explores alternative management strategies such as erythrocytapheresis, and discusses the roles of hydroxyurea, peginterferon, ruxolitinib, and other novel agents in potentially improving disease management and patient outcomes. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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8. Robotic Renal Vein Bypass: A Novel Technique for Treating a Challenging Case of Nutcracker Syndrome.
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Choudhry, Asad, DeNoble, Daniel, Bratslavsky, Gennady, and Feghali, Anthony
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SURGICAL robots , *PHLEBOTOMY , *TRANSPLANTATION of organs, tissues, etc. , *COMPUTED tomography , *SURGICAL anastomosis , *NUTCRACKER syndrome , *MINIMALLY invasive procedures , *DISCHARGE planning , *PAIN , *DYSPAREUNIA , *SUTURING ,ULTRASONIC imaging of the abdomen - Abstract
This case report highlights the successful application of a robotic-assisted surgical approach in managing Nutcracker syndrome. The patient, a 36-year-old female presented with severe symptoms and underwent robotic left renal vein transposition after failing conservative management. The procedure was performed through a minimally invasive approach utilizing the Da Vinci robotic system™ which offers enhanced visualization and precision. However, challenges arose during the renal vein anastomosis due to tension and poor flow through the transposition, requiring two revisions with a bovine pericardial patch. Ultimately, an 8 mm ringed PTFE bypass was anastomosed from the distal left renal vein to the Inferior Vena Cava. Despite these challenges, the patient experienced a successful outcome with complete symptom resolution of this complicated pathology. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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9. The evolving landscape of polycythemia vera therapies.
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Martinez, Juana, Handa, Shivani, Skorodinsky, Alexander, and Kremyanskaya, Marina
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POLYCYTHEMIA vera ,RUXOLITINIB ,HEPCIDIN ,DRUG development ,PHLEBOTOMY ,MOLECULAR pharmacology - Abstract
Introduction: The treatment landscape of polycythemia vera (PV) has seen major advancements within the last decade including approval of ruxolitinib in the second line setting after hydroxyurea, ropegylated interferon-α2b, and advanced clinical development of a novel class of agents called hepcidin mimetics. Areas covered: We provide a comprehensive review of the evidence discussing the risk stratification, treatment indications, role and limitations of phlebotomy only approach and pivotal trials covering nuances related to the use of interferon-α (IFN-α), ruxolitinib, hepcidin mimetics, and upcoming investigational agents including HDAC and LSD1 inhibitors. Expert opinion: The research paradigm in PV is slowly shifting from the sole focus on hematocrit control and moving toward disease modification. The discovery of hepcidin mimetics has come as a breakthrough in restoring iron homeostasis, achieving phlebotomy-independence and may lead to improved thrombosis-free survival with stricter hematocrit control. On the other hand, emerging data with IFN- α and ruxolitinib as well as combination of the two agents suggests the potential for achieving molecular remission in a subset of PV patients and long-term follow-up is awaited to validate the correlation of molecular responses with clinically relevant outcomes of progression-free and thrombosis-free survival. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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10. Small‐volume blood sample collection tubes in adult intensive care units: A rapid practice guideline.
- Author
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Callum, Jeannie, Putowski, Zbignew, Alhazzani, Waleed, Belley‐Cote, Emilie, Møller, Morten Hylander, Curry, Nicola, Al Duhailib, Zainab, Fung, Mark, Giocobbo, Louise, Granholm, Anders, Louw, Vernon, Maybohm, Patrick, Muller, Marcella, Nielsen, Nathan, Oleschuk, Curtis, Raza, Sheharyar, Scruth, Elizabeth, Siegal, Deborah, Stanworth, Simon J., and Vlaar, Alexander P. J.
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INTENSIVE care units , *BLOOD collection , *INTENSIVE care patients , *BLOOD sampling , *TUBES - Abstract
Background Methods Results Conclusion This Intensive Care Medicine Rapid Practice Guideline (ICM‐RPG) provides an evidence‐based recommendation to address the question: in adult patients in intensive care units (ICUs), should we use small‐volume or conventional blood collection tubes?We included 23 panelists in 8 countries and assessed and managed financial and intellectual conflicts of interest. Methodological support was provided by the Guidelines in Intensive Care, Development, and Evaluation (GUIDE) group. We conducted a systematic review, including evidence from observational and randomized studies. Using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach, we evaluated the certainty of evidence and developed recommendations using the Evidence‐to‐Decision framework.We identified 8 studies (1 cluster and 2 patient‐level randomized trials; 5 observational studies) comparing small‐volume to conventional tubes. We had high certainty evidence that small‐volume tubes reduce daily and cumulative blood sampling volume; and moderate certainty evidence that they reduce the risk of transfusion and mean number of red blood cell units transfused, but these estimates were limited by imprecision. We had high certainty that small‐volume tubes have a similar rate of specimens with insufficient quantity. The panel considered that the desirable effects of small‐volume tubes outweigh the undesirable effects, are less wasteful of resources, and are feasible, as demonstrated by successful implementation across multiple countries, although there are upfront implementation costs to validate small‐volume tubes on laboratory instrumentation.This ICM‐RPG panel made a strong recommendation for the use of small‐volume sample collection tubes in adult ICUs based on overall moderate certainty evidence. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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11. Primary polycythaemia: A neglected risk factor.
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Rustogi, Nitin, Talapa, Ravi, and Yadav, Jitendra
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VENOUS thrombosis , *MYELOPROLIFERATIVE neoplasms , *PORTAL vein , *DIAGNOSTIC errors , *PROGNOSIS - Abstract
In this case series, we report a 32-year-old male patient with myocardial infarction and 45-year-old female with portal vein thrombosis with splenic infarcts, which were the initial manifestations of polycythaemia vera. The awareness of myeloproliferative disorders as a possible underlying disease--especially in young patients presenting with myocardial infarction and portal venous thrombosis--is crucial for clinical management, as a missed diagnosis can worsen the patients' further prognosis. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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12. Adverse effects of therapeutic phlebotomies: Prospective study of 587 procedures.
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Romón, Iñigo, Domíguez‐García, Juan, Fernández, Carlos, Carretón, Marisa, Martínez, Noelia, Calzada, Laura, Cortés, Miguel A., Mendez, Gala A., Gorostidi, Irene, Briz, Montserrat, and Ocio, Enrique
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PHLEBOTOMY , *IRON overload , *LONGITUDINAL method , *OLDER patients , *BLOOD donors , *OLD age - Abstract
Background: Therapeutic phlebotomy (TP), a widely used medical procedure, can be performed on diverse patients with iron overload or polyglobulia. However, its adverse events are not well known as most of the information on phlebotomy is derived from healthy blood donors (0.1%–5.3%). In contrast, TP is applicable to a broader, more complex population with comorbidities and old age. To ascertain the incidence of adverse events in phlebotomies, we conducted a prospective study on patients who attended our Unit. Study Design and Methods: We prospectively gathered data from patients referred to our Unit for TP. Data regarding demographics, health status, and adverse events within at least 24 h of phlebotomy were gathered via a structured questionnaire during each visit. Results: Between August 2021 and September 2022, 189 patients underwent 587 procedures. Most patients were men, over 60 (57.3%) had comorbidities, and 93% underwent at least two procedures during the study period. Twenty patients (10.8%) presented 25 adverse events (4.3% of phlebotomies), usually vasovagal reactions, none of which were clinically relevant, and all were managed by nursing staff on site, with full patient recovery. Discussion: The rate of adverse events (<5%) in patients undergoing TP was low and comparable to that seen in healthy blood donors. Consequently, even old patients and those with some comorbidities can safely undergo TP when the process is carefully managed. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Superficial Veins in the Cubital Fossa Regions among the Nepalese and Indian Medical Students of a Medical College in Nepal: A Descriptive Cross-Sectional Study
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Diwakar Kumar Shah, Shalini Bhakta, Sanzida Khatun, Samyog Mahat, and Manisha Jha
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arm ,axillary vein ,forelimb ,phlebotomy ,subcutaneous tissue ,Medicine - Abstract
Background The veins in the upper limb are classified as superficial or deep, with deep veins, such as the venae comitantes and axillary vein, coming after the major arteries. The subcutaneous tissue contains the superficial veins, which link to the deep veins. These veins include the basilic, cephalic, median cubital, and median antebrachial veins. These superficial veins are clinically significant for phlebotomy, transfusion, and cardiac catheterization, and it joins the median cubital vein at the elbow. It is essential to comprehend the structure and patterns of cubital superficial veins in order to design dialysis access and minimise hazards. Materials and Methods Studying the superficial venous organisation in the cubital fossa of 192 MBBS preclinical sciences students, ages 18 to 24, was a cross-sectional observational study carried out at the Nobel Medical College Teaching Hospital in Nepal. A tourniquet and skin marker/tailor's chalk were used in the study to examine 384 anterior aspects of the arms. Six sets of veins were distinguished from the skin's veins. Tiny veins, cubital wounds, or thick tissue layers disqualified students. Results A study of 192 preclinical sciences students at Nobel Medical College Teaching Hospital in Biratnagar found that type II variant was the most common venous pattern in the cubital fossa region, followed by type I in 24.75%, and the lowest being the type VI pattern in 3.35%. Conclusion It was discovered that the patterns of superficial veins at the cubital fossa did not significantly alter based on the gender or nationality of the individual. Overall, the most common venous pattern was type II, though type I was more frequently seen in female subjects but the difference was statistically insignificant.
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- 2024
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14. VR to Reduce Pain/Anxiety During Painful Procedures
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AppliedVR Inc. and Jeffrey I Gold, PhD, Professor of Anesthesiology, Pediatrics, and Psychiatry & Behavioral Sciences
- Published
- 2023
15. Primary polycythaemia: A neglected risk factor
- Author
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Nitin Rustogi, Ravi Talapa, and Jitendra Yadav
- Subjects
hydroxyurea ,myocardial infarction ,phlebotomy ,polycythaemia vera ,Medicine - Abstract
In this case series, we report a 32-year-old male patient with myocardial infarction and 45-year-old female with portal vein thrombosis with splenic infarcts, which were the initial manifestations of polycythaemia vera. The awareness of myeloproliferative disorders as a possible underlying disease—especially in young patients presenting with myocardial infarction and portal venous thrombosis—is crucial for clinical management, as a missed diagnosis can worsen the patients’ further prognosis.
- Published
- 2024
- Full Text
- View/download PDF
16. Using Gagne’s instructional design to teach communication skills in phlebotomy education through role-play [version 2; peer review: 2 approved with reservations, 1 not approved]
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Amani Y. Owaidah
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Method Article ,Articles ,communication skills ,phlebotomy ,medical education ,trypanophobia - Abstract
Background: Phlebotomy is a medical procedure that is performed frequently in the blood collection activities of medical institutions. The procedure involves close interaction with different types of patients—some of whom are cooperative and others, who, for many reasons, are not (for example, patients who have a fear of needles). Blood extraction is an essential skill in several medical specialties, such as in laboratory sciences. Lesson planning in phlebotomy education is mainly focused on procedural skills, and very little attention is given towards teaching communication skills despite the close patient interaction in phlebotomy. In this paper, I propose a lesson plan for teaching communication skills to medical laboratory sciences and nursing students based on Gagne’s instructional design. Methods: The training session included two main parts: training session using Gange’s instructional design and at the end of the session, the participants were surveyed for the effectiveness of the training session. Results: 17 participants were included in the study. Overall, the majority of the participants were highly satisfied with the effectiveness of the training session in teaching communication skills with all seven survey questions receiving a mean score of 4.58 on a Likert scale of 1-5. Conclusion: We demonstrated the effectiveness of Gange’s instructional beyond theoretical lesson planning to teach communication skills through role-play in phlebotomy education.
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- 2024
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17. Modified glove removal technique to prevent hand contamination in routine phlebotomy.
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Buabungkhung, Pongsatorn, Srisamranrungruang, Piyada, Bhucharoen, Jiraporn, Singhasuvich, Katesophon, Pratumvinit, Busadee, Kost, Gerald J., and Tientadakul, Panutsaya
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HAND care & hygiene , *MEDICAL personnel , *PHLEBOTOMY , *BLOOD collection , *INSTRUCTIONAL films , *SKIN - Abstract
AbstractThe World Health Organization and the Centers for Disease Control and Prevention (CDC) have established guidelines recommending the performance of hand hygiene routines for healthcare workers following glove removal. However, the completion of frequent hygiene routines can cause allergic and adverse skin reactions. This double-blind, randomized study aimed to address this concern by developing and evaluating a modified glove removal technique that minimizes contamination risk during routine phlebotomy procedures. Furthermore, this study used fluorescent detection to compare the frequency of contamination associated with the CDC-recommended technique and the modified technique using fluorescent detection. One hundred healthcare personnel were enrolled and divided into two groups: one group followed the CDC technique, while the other group implemented the modified technique. Participants received instructional videos and practiced under supervision. They subsequently performed blood collection using a simulation arm covered with fluorescent cream as a contamination marker. After removing gloves, hand contamination was assessed under a black light. The median time required for glove removal in the modified group was four seconds longer than that in the group that followed the CDC technique (
p < 0.001). Contamination was observed in 2% (1/50) of subjects using the CDC-recommended technique, while no contamination was detected with the modified technique (p ≥ 0.05). Both the group that followed the CDC technique and the group that used modified glove removal techniques demonstrated the potential to prevent contamination during phlebotomy, thereby reducing the need for hand hygiene and the occurrence of contamination and adverse skin reactions. These findings prompt further exploration into whether proper glove removal can reduce the frequency of completing a hand hygiene routine after each glove removal, specifically within the context of phlebotomy. However, it is essential to note that hand hygiene following glove removal is still recommended to prevent contamination. Further research is warranted to validate these findings. [ABSTRACT FROM AUTHOR]- Published
- 2024
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18. Nine treatments of 1000 mL therapeutic phlebotomy in a subject with polycythemia: A case report.
- Author
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Morton, William J., Hauge, Anton, Opdahl, Helge, Rein, Erling Bekkestad, Søvik, Signe, and Hisdal, Jonny
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PHLEBOTOMY , *POLYCYTHEMIA , *VASCULAR resistance , *HEART beat , *HEMOCHROMATOSIS - Abstract
Large‐volume therapeutic phlebotomy is the mainstay of hemochromatosis treatment and offers an opportunity to investigate the hemodynamic changes during acute hypovolemia. An otherwise healthy 64‐year‐old male with hemochromatosis participated. On nine separate visits, 1000 mL therapeutic phlebotomy was performed. On one occasion, pre‐ and post‐phlebotomy orthostatic challenge with 27° reverse Trendelenburg position was administered. Mean arterial pressure, heart rate, and stroke volume were measured continuously during the procedures. The patient's tolerance to the interventions was continuously evaluated. The procedures were well tolerated by the patient. Mean arterial pressure was maintained during hemorrhage and following phlebotomy in both supine and reverse Trendelenburg positions, primarily through an increase in heart rate and systemic vascular resistance. The present study found that 1000 mL therapeutic phlebotomy in a patient with hemochromatosis may be acceptably and safely used to model hemorrhage. The approach demonstrates high clinical applicability and ethically robustness in comparison with volunteer studies. [ABSTRACT FROM AUTHOR]
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- 2024
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19. A comparison between erythrocytapheresis and venesection for the treatment of JAK2‐mutated polycythaemia.
- Author
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Ngo, Trung Q., Scott, Matthew W., Sirdesai, Shreerang, Hempton, Jennifer L., Hodges, Georgina S., and Campbell, Philip J.
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THROMBOSIS prevention , *THROMBOSIS complications , *PEARSON correlation (Statistics) , *ERYTHROCYTES , *PHLEBOTOMY , *T-test (Statistics) , *DESCRIPTIVE statistics , *CHI-squared test , *COST benefit analysis , *JANUS kinases , *POLYCYTHEMIA vera , *CYTAPHERESIS , *DRUG efficacy , *GENETIC mutation , *COMPARATIVE studies , *MEDICAL care costs , *EVALUATION - Abstract
Background: JAK2‐mutated polycythaemia vera (PV) is associated with reduced survival because of thrombotic events and haematological disease transformation. Therapeutic venesection has traditionally been used to lower haematocrit, but the technique of erythrocytapheresis has emerged over the last decade. Aim: To compare erythrocytapheresis with venesection as treatment for PV by assessing medical efficacy and financial viability. Methods: One hundred sixteen patients with PV who received red cell depletion therapy at Barwon Health between 2014 and 2021 were identified. The haematocrit drop after each session, interval between treatment times and number of sessions required to achieve a haematocrit <0.45 were compared with an independent t test. Thrombosis rates were compared with Pearson's chi‐squared test. Cost‐funding analysis was done by assessing the Weighted Inlier Equivalent Separation and National Weighted Activity Unit funding models. Results: Patients treated with erythrocytapheresis achieved a greater haematocrit drop each treatment session (0.075 vs 0.03, P < 0.01), required fewer sessions to achieve a haematocrit <0.45 (1 vs 4, P < 0.01) and experienced fewer thrombotic complications (8.7% vs 32.1%, P = 0.02) than those treated with venesection. Cost‐funding analysis demonstrated that erythrocytapheresis was more financially viable with a surplus of AU$297 per session compared to a deficit of AU$176 with venesection. Even if funding for venesection is increased, the cost of erythrocytapheresis may be mitigated by a lower number of procedures required per year (3.8 vs 5.3, P < 0.01). Conclusions: Erythrocytapheresis is more efficacious than venesection for the treatment of PV and is accompanied by rapid reductions in haematocrit and reduced thrombotic complications. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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20. Diagnosing aceruloplasminemia: navigating through red herrings.
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Kharel, Zeni, Kharel, Himal, and Phatak, Pradyumna D.
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IRON overload , *DIAGNOSIS , *MAGNETIC resonance imaging , *FATTY liver , *COPPER , *LIVER cells - Abstract
A 58-year-old female was found to have hyperferritinemia (Serum ferritin:1683 ng/mL) during work-up for mild normocytic anemia. Transferrin saturation(TSAT) was low-normal. Magnetic resonance imaging (MRI) abdomen showed evidence of hepatic iron deposition. Liver biopsy showed 4 + hepatic iron deposition without any evidence of steatosis or fibrosis. Quantitative liver iron was elevated at 348.3 µmol/g dry liver weight [Reference range(RR): 3–33 µmol/g dry liver weight]. She was presumptively diagnosed with tissue iron overload, cause uncertain. A diagnosis of ferroportin disease (FD) was considered, but the pattern of iron distribution in the liver, mainly within the hepatic parenchyma (rather than in the hepatic Kupffer cells seen in FD), and the presence of anemia (uncommon in FD) made this less likely. She was treated with intermittent phlebotomy for over a decade with poor tolerance due to worsening normocytic to microcytic anemia. A trial of deferasirox was done but it was discontinued after a month due to significant side effects. During the course of treatment, her ferritin level decreased. Over the past 1.5 years, she developed progressively worsening neurocognitive decline. MRI brain showed areas of susceptibility involving basal ganglia, midbrain and cerebellum raising suspicion for metabolic deposition disease. Neuroimaging findings led to testing for serum copper and ceruloplasmin levels which were both found to be severely low. Low serum copper, ceruloplasmin levels and neuroimaging findings led us to consider Wilson disease however prior liver biopsy showing elevated hepatic iron rather than hepatic copper excluded the diagnosis of Wilson disease. After shared decision making, ceruloplasmin gene analysis was not pursued due to patient's preference and prohibitive cost of testing. The diagnosis of aceruloplasminemia was ultimately made. The biochemical triad of hyperferritinemia, low-normal TSAT and microcytic anemia should raise the possibility of aceruloplasminemia. Since neurological manifestations are rare in most inherited iron overload syndromes, neurological symptoms in a patient with tissue iron overload should prompt consideration of aceruloplasminemia as a differential diagnosis. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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21. Radiographic identification of intravenous cephalic catheter fragmentation and removal via venotomy in the canine neonate.
- Author
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Iversen, James, Iversen, Kaitlyn, and Ho Eckart, Louisa
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PHLEBOTOMY ,NEWBORN infants ,CATHETERS ,REPORT writing ,RADIOGRAPHY - Abstract
A 31‐day‐old, female, entire Basenji was referred for the investigation and treatment of a suspected intravenous catheter fragmentation. Orthogonal radiographs revealed a faint linear radiopaque body within the proximo‐dorsal region of the cubital articulation, dorsal to the radial head. A simple venotomy was performed under light sedation and local anaesthesia, which was well tolerated by the patient with no complications. At the time of writing this report, the use of orthogonal radiography and simple venotomy technique have not been reported together in the canine neonates. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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22. Management of Pediatric Solid Organ Injuries.
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Lyttle, Bailey D., Williams, Regan F., and Stylianos, Steven
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PANCREATIC injuries ,SPLEEN injuries ,LIVER injuries ,BLUNT trauma ,MEDICAL protocols ,PATIENT safety ,PHLEBOTOMY ,PATIENTS ,LONG-term health care ,HOSPITAL admission & discharge ,RESUSCITATION ,ANGIOGRAPHY ,DISCHARGE planning ,ABDOMINAL injuries ,INTENSIVE care units ,EVIDENCE-based medicine ,PHYSICAL activity ,PATIENT aftercare ,CHILDREN - Abstract
Solid organ injury (SOI) is common in children who experience abdominal trauma, and the management of such injuries has evolved significantly over the past several decades. In 2000, the American Pediatric Surgical Association (APSA) published the first societal guidelines for the management of blunt spleen and/or liver injury (BLSI), advocating for optimized resource utilization while maintaining patient safety. Nonoperative management (NOM) has become the mainstay of treatment for SOI, and since the publication of the APSA guidelines, numerous groups have evaluated how invasive procedures, hospitalization, and activity restrictions may be safely minimized in children with SOI. Here, we review the current evidence-based management guidelines in place for the treatment of injuries to the spleen, liver, kidney, and pancreas in children, including initial evaluation, inpatient management, and long-term care, as well as gaps that exist in the current literature that may be targeted for further optimization of protocols for pediatric SOI. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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23. Use of Two Novel Dyes to Enhance Visualization of Cut Ends of the Vessel in Microvascular Anastomosis–An Experimental Study of 45 Rats.
- Author
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Prathik, R., Pruthi, Nupur, Prabhu Raj, A.R., and Mahadevan, Anita
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DATA visualization , *RATS , *METHYLENE blue , *DYES & dyeing , *SENTINEL lymph node biopsy , *PHLEBOTOMY - Abstract
Good visualization is a prerequisite for performing microvascular anastomosis. The most commonly used dye, methylene blue, has several limitations: it is washed off quickly and stains all the vessel layers. The objective of our study is to use 2 new novel dyes for improving visualization. After ethical committee approval, 2 Dyes (2% cresyl violet, 1% eosin) were studied in 3 groups, 20 rats in each group and 5 rats in the combined group. End-to-side anastomosis was performed in the classic fashion in 45 rats. After venotomy, the dye was applied to the raw surface of the vessels and subsequently, anastomosis was performed. The improvement in visualization was judged by 3 blinded experts and nonexperts in 4 groups on a scale of 1–10. Scores were statistically analyzed. After 2 weeks, animals were re-explored to check the delayed patency, and segments were harvested for histopathologic analysis. The immediate and delayed patency rates were 100% (45/45) and 97% (33/34), respectively. In statistical analysis, the combined group (P = 0.005)was judged statistically significant because of the contrast in color. All the layers were stained by both dyes, staining lasted until the end of the surgery. Visibility of the cut ends was better in cresyl violet. All histopathologic findings suggested normal changes at the anastomotic site. This study showed that the use of these 2 dyes was not only feasible but highly efficacious. Even though all the layers were stained by both the dyes, the visibility of the cut ends was better. In both dyes, staining lasted until the end of surgery. To the best of our knowledge, this is the first study that has used these 2 novel dyes to improve visualization in microvascular anastomosis in an experimental setting. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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24. A survey on the practice of phlebotomy in Lithuania and adherence to the EFLM-COLABIOCLI recommendations: continuous training and clear standard operating procedures as tools for better quality.
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Stonys, Ricardas and Vitkus, Dalius
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STANDARD operating procedure , *PHLEBOTOMY , *BLOOD collection , *EUROPEAN integration , *CLINICAL biochemistry - Abstract
Introduction: The aim of this study was to determine the level of compliance of venous blood sampling (VBS) in Lithuania with the joint recommendations of the European Federation of Clinical Chemistry and Laboratory Medicine and the Latin American Confederation of Clinical Biochemistry (EFLM-COLABIOCLI) and to analyse possible causes of errors. A survey was conducted between April and September 2022. Materials and methods: A self-designed questionnaire was distributed to the Lithuanian National Societies. Error frequencies and compliance score were computed. Differences between groups were analysed using Pearson's chi-square, Fisher's exact criterion, Mann-Whitney U (for two groups), or Kruskal-Wallis (for more than two groups) for categorical and discrete indicators. The association between ordinal and discrete variables was assessed using Spearman's rank correlation coefficient. Statistical significance was determined at P < 0.05. Results: A total of 272 respondents completed the questionnaire. Median error rate and compliance score were 31.5% and 13/19, respectively. Significant differences were found among professional titles, standard operating procedures availability, training recency, and tourniquet purpose opinions. A negative correlation was noted between compliance and time since training (rs = - 0.28, P < 0.001). Conclusions: The findings of this study indicate that there is a significant need for improvement in compliance with the EFLM-COLABIOCLI recommendations on VBS among specialists in Lithuania. Essential measures include prioritizing ongoing phlebotomy training and establishing national guidelines. Harmonisation of blood collection practices across healthcare institutions is crucial. [ABSTRACT FROM AUTHOR]
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- 2024
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25. Firdevsî-i Tavîl’in Kayıp Eseri Firâset-nâme’de İnsanın Damarları ve Bu Damarlardan Kan Alma Bilgisi.
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Kardaş, Sedat
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Copyright of Mersin University School of Medicine Lokman Hekim Journal of History of Medicine & Folk Medicine is the property of Mersin University School of Medicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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26. Blood volume contributes to the mechanical synchrony of the myocardium during moderate and high intensity exercise in women.
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Khor, Joyce, Diaz-Canestro, Candela, Chan, Koot Yin, Guo, Meihan, and Montero, David
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BLOOD volume , *EXERCISE intensity , *SPECKLE tracking echocardiography , *MYOCARDIUM , *SYNCHRONIC order - Abstract
Purpose: Whether blood volume (BV) primarily determines the synchronous nature of the myocardium remains unknown. This study determined the impact of standard blood withdrawal on left ventricular mechanical dyssynchrony (LVMD) in women. Methods: Transthoracic speckle-tracking echocardiography and central hemodynamic measurements were performed at rest and during moderate- to high-intensity exercise in healthy women (n = 24, age = 53.6 ± 16.3 year). LVMD was determined via the time to peak standard deviation (TPSD) of longitudinal and transverse strain and strain rates (LSR, TSR). Measurements were repeated within a week period immediately after a 10% reduction of BV. Results: With intact BV, all individuals presented cardiac structure and function variables within normative values of the study population. Blood withdrawal decreased BV (5.3 ± 0.7 L) by 0.5 ± 0.1 L. Resting left ventricular (LV) end-diastolic volume (− 8%, P = 0.040) and passive filling (− 16%, P = 0.001) were reduced after blood withdrawal. No effect of blood withdrawal was observed for any measure of LVMD at rest (P ≥ 0.225). During exercise at a fixed submaximal workload (100 W), LVMD of myocardial longitudinal strain (LS TPSD) was increased after blood withdrawal (36%, P = 0.047). At peak effort, blood withdrawal led to increased LVMD of myocardial transverse strain rate (TSR TPSD) (31%, P = 0.002). The effect of blood withdrawal on TSR TPSD at peak effort was associated with LV concentric remodeling (r = 0.59, P = 0.003). Conclusion: Marked impairments in the mechanical synchrony of the myocardium are elicited by moderate blood withdrawal in healthy women during moderate and high intensity exercise. [ABSTRACT FROM AUTHOR]
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- 2024
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27. A Case Report of Prolonged Hemorrhage Following Traditional Phlebotomy (Fasd)
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Sajjad Sadeghi
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case report ,phlebotomy ,hemorrhage ,persian medicine ,burnt cotton ,Medicine ,Miscellaneous systems and treatments ,RZ409.7-999 ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Phlebotomy, a therapeutic method of bloodletting typically performed using a needle, has a traditional technique known as “Fasd.” In this method, blood is extracted by creating a longitudinal incision on a vein (3-5 mm) with a surgical scalpel blade, usually blade No. 11. Due to the incision in the vessel wall, establishing hemostasis is more challenging compared to conventional methods. Hemostasis is usually achieved within minutes after Fasd. We present a case highlighting an uncommon yet significant complication of traditional phlebotomy. A 55-year-old man with no prior medical conditions underwent traditional phlebotomy at an academic traditional medicine clinic. Senior MD-PhD students in Iranian Traditional Medicine, under professor supervision, performed Fasd. A sterile scalpel blade No. 11 was used to create a longitudinal incision of approximately 4 mm on the patient’s median basilic vein in the right hand. After removing 400 cc of blood, a pressure dressing was applied to the incision site. Despite attempts such as hand elevation, ice pack application, prolonged direct pressure, and tight elastic bandaging, bleeding from the incision persisted. After an hour of supportive therapy, hemostasis was eventually achieved within a few minutes using burnt cotton dressing (a traditional method for blood hemostasis). Following intravenous hydration, the patient was discharged in stable condition and reported no issues during the one-month follow-up. The traditional phlebotomy (Fasd) carries the risk of serious complications, including uncontrolled and prolonged bleeding. Further research on the efficacy and safety of burnt cotton dressing for controlling hemostasis is recommended.
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- 2024
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28. Influence of Frequent Phlebothomy on Blood Iron Concentration, Haematological, Metabolic and Endocrine Parameters in Rams
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Grubač Siniša, Cincović Marko, Radinović Miodrag, Potkonjak Aleksandar, Žekić Marina, Starič Jože, and Prodanov Radulović Jasna
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phlebotomy ,chronic blood loss ,iron ,complete blood count ,metabolites ,hormones. ,Veterinary medicine ,SF600-1100 - Abstract
Frequent phlebotomies, even when only a small volume of blood is taken for diagnostic purposes, can lead to the development of iron deficiency with hematological and metabolic changes. The study aimed to determine the influence of frequent blood loss by phlebotomy on blood iron concentration (Fe), hematology, metabolic and endocrine parameters and their relationships. Blood samples were collected from 30 blood donor rams for 6 consecutive weeks, with approximately 10% of blood collected weekly. Such chronic blood loss resulted in a decrease in Fe. Indicators of iron transport in the bloodstream changed, so the value of total iron-binding capacity (TIBC) and unsaturated iron-binding capacity (UIBC) increased, while the value of transferrin saturation percentage (TS%) decreased. Hematological changes included a decrease in red blood cells, hemoglobin, mean red blood cell volume and hematocrit and a tendency for reticulocyte count and red cell distribution width to increase. Chronic blood loss resulted in a specific metabolic response that included the increase in glucose, cholesterol, triglycerides, aspartate-aminotransferase, and insulin resistance, while thyroxine, triiodothyronine and cortisol decreased and there was a tendency for lactate to increase and BHB to decrease. The mentioned blood parameters correlated with Fe and additionally showed greater changes when Fe was extrapolated to the level of clinical deficit (Fe=9μmol/L). These correlations suggest the need to monitor the metabolic and endocrine status during chronic blood loss, in addition to Fe and erythrocyte indices. Compared with previous results in other animal species, Fe may have a direct influence on metabolic processes in rams.
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- 2024
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29. An Assessment of Individual Preference for a Novel Capillary Blood Collection System
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Pourafshar S, Parikh M, Abdallah B, Al Thubian N, and Jacobson JW
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capillary blood collection ,phlebotomy ,patient preference ,blood specimen collection ,patient satisfaction ,Medicine (General) ,R5-920 - Abstract
Shirin Pourafshar,1 Monisha Parikh,2 Bilal Abdallah,2 Nasrin Al Thubian,3 James W Jacobson4 1Medical Affairs, Becton, Dickinson and Company, Sparks, MD, USA; 2Medical Affairs, Becton, Dickinson and Company, Franklin Lakes, NJ, USA; 3Medical Affairs, Becton, Dickinson and Company, Mississauga, Ontario, Canada; 4Clinical Affairs, Babson Diagnostics, Austin, TX, USACorrespondence: James W Jacobson, Vice President of Clinical Affairs, Babson Diagnostics, 1321 Rutherford Ln, Bldg 2, Ste 200, Austin, TX, 78753, USA, Tel +1-888-556-8785, Fax +1-512-277-3206, Email James.jacobson@babsondx.comPurpose: Typical barriers to venous blood collection for wellness testing include discomfort, time spent, and collection site accessibility. This study assessed individuals’ experience, satisfaction, and preference associated with a FDA-cleared blood-collection device, the BD MiniDraw™ Capillary Blood Collection System (BD MiniDraw), in retail locations.Patients and Methods: A total of 113 individuals (≥ 18 years) with venous blood collection experience were enrolled; 107 completed the study. A pre-collection survey gathered information on demographics and past experiences with healthcare and venous blood collection settings. BD MiniDraw collection was conducted at three retail sites (two pharmacies and one grocery store) by trained healthcare workers using the Babson BetterWay blood testing service model. A follow up survey was performed two weeks later to determine experience with, and preference for, BD MiniDraw in terms of staff professionalism, blood collection location, blood collection time, and staff trustworthiness.Results: Among the 107 participants, 74 (69%) were female and 33 (31%) were male; the mean age was 49 years (range=18– 71 years). Sixty-six (62%) participants viewed their prior venipuncture experience as “somewhat” or “very” positive. Following capillary collection, 96 (90%) participants expressed a “somewhat” or “very” positive experience with BD MiniDraw at a retail location. In particular, “very satisfied” responses were given for location (87/107; 81%) and collection time (78/1407; 73%). In a subset of respondents (n=89), those reasons (location and time savings) were most frequent for likelihood of future use. Ninety-nine participants (92%) rated the retail blood collection team as “very” or “extremely” trustworthy. Overall, 90 participants (84%) “strongly preferred” (56/107; 52%), “somewhat preferred” (14/107; 13%), or had “no preference” (20/107; 19%) for BD MiniDraw, compared to traditional venous blood collection.Conclusion: Most participants conveyed a preference for BD MiniDraw, primarily based on the blood collection retail location, perceived time savings, and professionalism and trustworthiness of the staff.Keywords: capillary blood collection, phlebotomy, patient preference, blood specimen collection, patient satisfaction
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- 2024
30. VIVAS: An Ergonomic Low-Cost High-Resolution Portable Vein Finder for Phlebotomy
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Divisha Garg, Gaurav Kumar, Harpreet Singh, Prashant Singh Rana, Shahid Ahmad Bhat, Smita Pattanaik, Ravimohan Suryanarayan Mavuduru, and Neeru Jindal
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Image processing ,near-infrared LEDs ,phlebotomy ,portable vein finder ,venipuncture ,Electrical engineering. Electronics. Nuclear engineering ,TK1-9971 - Abstract
Locating veins accurately is a common challenge in clinical settings, particularly with patients where veins are difficult to discern. The development of effective vein visualization technology is crucial for improving patient outcomes and minimizing procedural complications. This study aimed to design, develop, and evaluate a low-cost, high-resolution portable vein finder device. It was developed using affordable components and integrated imaging technology. The device captured images of veins in challenging patient scenarios. Four conventional image enhancement techniques were initially applied to these images. Subsequently, a novel image enhancement technique is proposed. The performance of each technique was qualitatively accessed using visual representation and histogram distribution and quantitatively assessed using the peak signal-to-noise ratio and structural similarity index measure. The proposed technique significantly outperformed the conventional methods. This indicates a superior enhancement of vein visibility, confirming the effectiveness of the proposed method. Thus, the newly developed vein finder, enhanced with the proposed image enhancement technique demonstrates significant potential for clinical use. It offers a reliable solution for vein detection in patients, potentially improving treatment accuracy.
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- 2024
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31. Isovolemic hemodilution in chronic mountain sickness acutely worsens nocturnal oxygenation and sleep apnea severity
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Sanchez-Azofra, Ana, Villafuerte, Francisco C, DeYoung, Pamela N, Gilbertson, Dillon, Gu, Wanjun, Moya, Esteban A, Vizcardo-Galindo, Gustavo, Figueroa-Mujíca, Rómulo, Anza-Ramirez, Cecilia, Macarlupú, Jose L, Pham, Luu V, Wagner, Peter, Malhotra, Atul, Simonson, Tatum S, and Mesarwi, Omar A
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Biomedical and Clinical Sciences ,Cardiovascular Medicine and Haematology ,Sleep Research ,Lung ,Clinical Research ,Altitude ,Altitude Sickness ,Chronic Disease ,Hemodilution ,Humans ,Oxyhemoglobins ,Sleep Apnea Syndromes ,chronic mountain sickness ,nocturnal oxygenation ,phlebotomy ,Andean highlanders ,high altitude ,hypoxia ,Clinical Sciences ,Other Medical and Health Sciences ,Psychology ,Neurology & Neurosurgery ,Clinical sciences - Abstract
Study objectivesChronic mountain sickness (CMS) is commonly observed among Andean and other highland populations. Sleep-disordered breathing (SDB) is highly prevalent at high altitude, and SDB and nocturnal hypoxemia have been observed in CMS. Phlebotomy is commonly performed to treat CMS, but it is unknown whether reducing hematocrit improves SDB. We hypothesized that isovolemic hemodilution (IVHD) in CMS would reduce SBD severity and improve sleep efficiency.MethodsSix participants with CMS and 8 without CMS, all residents of Cerro de Pasco, Peru (altitude 4340 m), completed baseline nocturnal sleep studies. CMS participants then underwent IVHD, and nocturnal sleep studies were repeated 24-48 hours after IVHD. We analyzed sleep apnea severity, nocturnal oxygenation, and sleep quality in those with CMS relative to those without CMS, and the effects of IVHD in CMS participants.ResultsParticipants with CMS did not have altered sleep architecture, sleep apnea severity, or nocturnal oxygenation relative to non-CMS participants. However, IVHD in CMS increased apnea-hypopnea index (40.9 ± 6.9 events/h to 61.5 ± 7.7 events/h, P = .009). IVHD increased oxyhemoglobin desaturation index (P = .008) and the percentage of sleep time spent with oxyhemoglobin saturation at or below 80% (P = .012). There was no effect of IVHD on sleep efficiency, arousal index, or sleep staging.ConclusionsIn this cohort, CMS was not associated with worsened SDB or changes in sleep architecture. IVHD, a putative therapeutic option for participants with CMS, appears to worsen nocturnal oxygenation and SDB within 48 hours post-IVHD.CitationSanchez-Azofra A, Villafuerte FC, DeYoung PN, et al. Isovolemic hemodilution in chronic mountain sickness acutely worsens nocturnal oxygenation and sleep apnea severity. J Clin Sleep Med. 2022;18(10):2423-2432.
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- 2022
32. Virtual Reality for the Management of Pain and Anxiety in Patients Undergoing Implantation of Pacemaker or Implantable Cardioverter Defibrillator: A Randomized Study.
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Squara, Fabien, Bateau, Jules, Scarlatti, Didier, Bun, Sok-Sithikun, Moceri, Pamela, and Ferrari, Emile
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PAIN measurement , *PHLEBOTOMY , *MORPHINE , *STATISTICAL sampling , *QUESTIONNAIRES , *PILOT projects , *TREATMENT effectiveness , *RANDOMIZED controlled trials , *DESCRIPTIVE statistics , *EXPOSURE therapy , *IMPLANTABLE cardioverter-defibrillators , *PAIN , *PAIN management , *CARDIAC pacemakers , *VIRTUAL reality therapy , *COMPARATIVE studies , *ACETAMINOPHEN , *LIDOCAINE ,PREVENTION of surgical complications ,ANXIETY prevention - Abstract
Background: The Virtual Reality Headset (VRH) is a device aiming at improving patient's comfort by reducing pain and anxiety during medical interventions. Its interest during cardiac implantable electronic devices (CIED) implant procedures has not been studied. Methods: We randomized consecutive patients admitted for pacemaker or Implantable Cardioverter Defibrillator (ICD) at our center to either standard analgesia care (STD-Group), or to VRH (VRH-Group). Patients in the STD-Group received intra-venous paracetamol (1 g) 60 min before the procedure, and local anesthesia was performed with lidocaine. For patients of the VRH-Group, VRH was used on top of standard care. We monitored patients' pain and anxiety using numeric rating scales (from 0 to 10) at the time of sub-cutaneous pocket creation, and during deep axillary vein puncture. Patient comfort during the procedure was assessed using a detailed questionnaire. Morphine consumption was also assessed. Results: We randomized 61 patients to STD-Group (n = 31) or VRH-Group (n = 30). Pain and anxiety were lower in the VRH-Group during deep venous puncture (3.0 ± 2.0 vs. 4.8 ± 2.2, p = 0.002 and 2.4 ± 2.2 vs. 4.1 ± 2.4, p = 0.006) but not during pocket creation (p = 0.58 and p = 0.5). Morphine consumption was lower in the VRH-Group (1.6 ± 0.7 vs. 2.1 ± 1.1 mg; p = 0.041). Patients' overall comfort during procedure was similar in both groups. Conclusion: VRH use improved pain and anxiety control during deep venous puncture compared to standard analgesia care, and allowed morphine consumption reduction. However, pain and anxiety were similar at the time of sub-cutaneous pocket creation. [ABSTRACT FROM AUTHOR]
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- 2024
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33. The American Society for Clinical Pathology 2022 Vacancy Survey of medical laboratories in the United States.
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Garcia, Edna, Kundu, Iman, Kelly, Melissa, and Soles, Ryan
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CLINICAL pathology , *MEDICAL laboratories , *INTERNET surveys , *EMPLOYEE selection - Abstract
Objectives To determine the extent and distribution of laboratory workforce shortages within the nation's medical laboratories. Methods The Vacancy Survey was conducted through collaboration between the American Society for Clinical Pathology (ASCP) Institute for Science, Technology and Public Policy in Washington, DC, and the Evaluation, Measurement, and Assessment Department and ASCP Board of Certification in Chicago, IL. Data were collected through an internet survey distributed to individuals who were able to report on staffing and certifications for their laboratories. Results Results of the ASCP 2022 Vacancy Survey show increased overall vacancy rates for laboratory positions in all departments compared with 2020. Overall retirement rates for laboratory professionals increased across most departments. Conclusions Current Vacancy Survey data show continued increases in the numbers of laboratory vacancies and retirements as well as changes in certification requirements, with trends amplified during the pandemic continuing into the present. Qualitative analysis results showed that there is an urgent need to focus not only on recruitment but—equally important—on retention of laboratory professionals. [ABSTRACT FROM AUTHOR]
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- 2024
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34. Ruxolitinib in patients with polycythemia vera resistant and/or intolerant to hydroxyurea: European observational study.
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Theocharides, Alexandre, Gisslinger, Heinz, De Stefano, Valerio, Accurso, Vincenzo, Iurlo, Alessandra, Devos, Timothy, Egyed, Miklos, Lippert, Eric, Delgado, Regina Garcia, Cantoni, Nathan, Dahm, Anders E. A., Sotiropoulos, Damianos, Houtsma, Erik, Smyth, Aoife, Iqbal, Amir, Di Matteo, Paola, Zuurman, Mike, and te Boekhorst, Peter A. W.
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POLYCYTHEMIA vera , *RUXOLITINIB , *HYDROXYUREA , *ADVERSE health care events , *SCIENTIFIC observation - Abstract
Background: Hydroxyurea (HU) is a commonly used first‐line treatment in patients with polycythemia vera (PV). However, approximately 15%–24% of PV patients report intolerance and resistance to HU. Methods: This phase IV, European, real‐world, observational study assessed the efficacy and safety of ruxolitinib in PV patients who were resistant and/or intolerant to HU, with a 24‐month follow‐up. The primary objective was to describe the profile and disease burden of PV patients. Results: In the 350 enrolled patients, 70% were >60 years old. Most patients (59.4%) had received ≥1 phlebotomy in the 12 months prior to the first dose of ruxolitinib. Overall, 68.2% of patients achieved hematocrit control with 92.3% patients having hematocrit <45% and 35.4% achieved hematologic remission at month 24. 85.1% of patients had no phlebotomies during the study. Treatment‐related adverse events were reported in 54.3% of patients and the most common event was anemia (22.6%). Of the 10 reported deaths, two were suspected to be study drug‐related. Conclusion: This study demonstrates that ruxolitinib treatment in PV maintains durable hematocrit control with a decrease in the number of phlebotomies in the majority of patients and was generally well tolerated. [ABSTRACT FROM AUTHOR]
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- 2024
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35. Hemochromatosis: Ferroptosis, ROS, Gut Microbiome, and Clinical Challenges with Alcohol as Confounding Variable.
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Teschke, Rolf
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GUT microbiome , *FERRITIN , *HEMOCHROMATOSIS , *IRON in the body , *CONFOUNDING variables , *IRON overload , *IRON , *LACTOFERRIN - Abstract
Hemochromatosis represents clinically one of the most important genetic storage diseases of the liver caused by iron overload, which is to be differentiated from hepatic iron overload due to excessive iron release from erythrocytes in patients with genetic hemolytic disorders. This disorder is under recent mechanistic discussion regarding ferroptosis, reactive oxygen species (ROS), the gut microbiome, and alcohol abuse as a risk factor, which are all topics of this review article. Triggered by released intracellular free iron from ferritin via the autophagic process of ferritinophagy, ferroptosis is involved in hemochromatosis as a specific form of iron-dependent regulated cell death. This develops in the course of mitochondrial injury associated with additional iron accumulation, followed by excessive production of ROS and lipid peroxidation. A low fecal iron content during therapeutic iron depletion reduces colonic inflammation and oxidative stress. In clinical terms, iron is an essential trace element required for human health. Humans cannot synthesize iron and must take it up from iron-containing foods and beverages. Under physiological conditions, healthy individuals allow for iron homeostasis by restricting the extent of intestinal iron depending on realistic demand, avoiding uptake of iron in excess. For this condition, the human body has no chance to adequately compensate through removal. In patients with hemochromatosis, the molecular finetuning of intestinal iron uptake is set off due to mutations in the high-FE2+ (HFE) genes that lead to a lack of hepcidin or resistance on the part of ferroportin to hepcidin binding. This is the major mechanism for the increased iron stores in the body. Hepcidin is a liver-derived peptide, which impairs the release of iron from enterocytes and macrophages by interacting with ferroportin. As a result, iron accumulates in various organs including the liver, which is severely injured and causes the clinically important hemochromatosis. This diagnosis is difficult to establish due to uncharacteristic features. Among these are asthenia, joint pain, arthritis, chondrocalcinosis, diabetes mellitus, hypopituitarism, hypogonadotropic hypogonadism, and cardiopathy. Diagnosis is initially suspected by increased serum levels of ferritin, a non-specific parameter also elevated in inflammatory diseases that must be excluded to be on the safer diagnostic side. Diagnosis is facilitated if ferritin is combined with elevated fasting transferrin saturation, genetic testing, and family screening. Various diagnostic attempts were published as algorithms. However, none of these were based on evidence or quantitative results derived from scored key features as opposed to other known complex diseases. Among these are autoimmune hepatitis (AIH) or drug-induced liver injury (DILI). For both diseases, the scored diagnostic algorithms are used in line with artificial intelligence (AI) principles to ascertain the diagnosis. The first-line therapy of hemochromatosis involves regular and life-long phlebotomy to remove iron from the blood, which improves the prognosis and may prevent the development of end-stage liver disease such as cirrhosis and hepatocellular carcinoma. Liver transplantation is rarely performed, confined to acute liver failure. In conclusion, ferroptosis, ROS, the gut microbiome, and concomitant alcohol abuse play a major contributing role in the development and clinical course of genetic hemochromatosis, which requires early diagnosis and therapy initiation through phlebotomy as a first-line treatment. [ABSTRACT FROM AUTHOR]
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- 2024
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36. Iatrogenic blood loss from phlebotomy during adult extracorporeal membrane oxygenation: A retrospective cohort study.
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Mazzeffi, Michael, Miller, David, Wang, Angela, Kothandaraman, Venkat, Money, Dustin, Clouse, Brian, Zaaqoq, Akram M., and Teman, Nicholas
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EXTRACORPOREAL membrane oxygenation , *PHLEBOTOMY , *COHORT analysis , *ADULTS , *IATROGENIC diseases - Abstract
Background: Adult extracorporeal membrane oxygenation (ECMO) patients are at high risk for allogeneic blood transfusion. Few studies have characterized iatrogenic blood loss from phlebotomy in adult ECMO patients. We hypothesized that iatrogenic phlebotomy would be a significant source of blood loss during ECMO. Methods: Adults who had their entire ECMO run at our medical center between 2020 and 2022 were included. Average daily phlebotomy volume and total phlebotomy volume during ECMO were estimated based on the total number of laboratory tests that were processed. In addition, the crude and adjusted association between total phlebotomy volume during ECMO and RBC transfusion during ECMO was evaluated using linear regression and Loess curve analysis. Results: A total of 161 patients who underwent 162 ECMO runs were included. Of the 162 ECMO runs, 88 (54.3%) were veno‐arterial and 74 (45.7%) were veno‐venous ECMO. Median duration of ECMO was 5 days [25th, 75th percentile = 2, 11]. Median daily phlebotomy volume was 130 mLs [25th, 75th percentile = 94, 170] and median total phlebotomy volume during ECMO was 579 mLs [25th, 75th percentile = 238, 1314]. There was a significant crude and adjusted association between total phlebotomy volume and RBC transfusion during ECMO (beta coefficient = 0.0023 and 0.0024 respectively, both p <.001) based on linear regression analysis. Discussion: Phlebotomy for laboratory testing is a significant source of blood loss during ECMO in adults. Comprehensive patient blood management for adult ECMO patients should include strategies to reduce laboratory testing and/or phlebotomy volume during ECMO. [ABSTRACT FROM AUTHOR]
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- 2024
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37. The identification of diurnal variations on circulating immune cells by finger prick blood sampling in small sample sizes: a pilot study.
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Bushell, Dayna, Tan, Jonathan Kah Huat, Smith, Jessica, and Moro, Christian
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FLOW cytometry , *LEUCOCYTES , *T cells , *ACADEMIC medical centers , *BLOOD testing , *STATISTICAL hypothesis testing , *T-test (Statistics) , *KILLER cells , *SAMPLE size (Statistics) , *IMMUNODIAGNOSIS , *CIRCADIAN rhythms , *DATA analysis software , *TIME , *CELL surface antigens - Abstract
Objective There are well-described impacts of biological rhythms on human physiology. With the increasing push for routine blood tests for preventative medical care and clinical and physiological research, optimizing effectiveness is paramount. This study aimed to determine whether it is feasible to assess diurnal variations of peripheral lymphocyte prevalence using finger prick blood in a small sample size. Methods Using polychromatic flow cytometry, the prevalence of lymphocytes was assessed using 25 µL fingertip blood samples at 8 AM and 5 PM from 8 participants. Results TH cells and B cells showed significantly higher percentages in the 5 PM samples, whereas NK cells demonstrated a significantly higher morning percentage. T cells, leukocytes, and cytotoxic T cells showed no significant changes. Conclusion The detection of diurnal variations demonstrates that small blood volumes can be used to detect lymphocyte variations. The lower blood volume required provides a new testing method for clinical and research settings. [ABSTRACT FROM AUTHOR]
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- 2024
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38. Acceptability of a novel device to improve child patient experience during venepuncture for blood sampling: Intervention with 'MyShield'.
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Oulton, Kate, Williams, Anna, and Gibson, Faith
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This study aimed to explore the acceptability of a novel device ('MyShield'): a device used for distraction during clinical procedures. It is a cardboard cuff, designed to fit around the arm, either above the elbow or around the wrist and used to hide the procedure from view. This device was tested in practice, to establish acceptability to children, parents and clinical staff. Fifty-eight children tried 'MyShield' during a venepuncture procedure. Feedback from 54 children, 58 parents/carers and 16 clinical staff was collected using surveys and interviews. In 24 cases, observational data were also collected. A large majority of children (94%, n = 51) and parents (96%, n = 56) reported a positive experience when using 'MyShield'; saying they would likely use it again. Potential of 'MyShield' in promoting parent/clinician interaction with the child was highlighted. Data suggests that 'MyShield' may be a useful device for children undergoing venepuncture, when used in conjunction with standard care, and subject to individual preferences and choice. Further work is required to establish mechanism of action and whether use of 'MyShield' has any impact across a range of short- and long-term outcome measures relating to patient experience and effectiveness. [ABSTRACT FROM AUTHOR]
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- 2024
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39. Feasibility and Validity of In-Home Self-Collected Capillary Blood Spot Screening for Type 1 Diabetes Risk.
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Sing, Anna B.E., Naselli, Gaetano, Huang, Dexing, Watson, Kelly, Colman, Peter G., Harrison, Leonard C., and Wentworth, John M.
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TYPE 1 diabetes , *MEDICAL screening , *PHLEBOTOMY , *AUTOANTIBODIES , *BLOOD collection - Abstract
Aims: Self-collection of a blood sample for autoantibody testing has potential to facilitate screening for type 1 diabetes risk. We sought to determine the feasibility and acceptability of this approach and the performance of downstream antibody assays. Methods: People living with type 1 diabetes and their family members (N = 97) provided paired capillary blood spot and serum samples collected, respectively, by themselves and a health worker. They provided feedback on the ease, convenience, and painfulness of blood spot collection. Islet antibodies were measured in blood spots by antibody detection by agglutination PCR (ADAP) or multiplex enzyme-linked immunoassay (ELISA), and in serum by radioimmunoassay (RIA) or ELISA. Results: Using serum RIA and ELISA to define antibody status, 50 antibody-negative (Abneg) and 47 antibody-positive (Abpos) participants enrolled, of whom 43 and 47, respectively, returned testable blood spot samples. The majority indicated that self-collection was easier, more convenient, and less painful than formal venesection. The sensitivity and specificity for detection of Abpos by blood spot were, respectively, 85% and 98% for ADAP and 87% and 100% for multiplex ELISA. The specificities by ADAP for each of the four antigen specificities ranged from 98% to 100% and areas under the receiver operator curve from 0.841 to 0.986. Conclusions: Self-collected blood spot sampling is preferred over venesection by research participants. ADAP and multiplex ELISA are highly specific assays for islet antibodies in blood spots with acceptable performance for use alone or in combination to facilitate screening for type 1 diabetes risk. Clinical Trial Registration number: ACTRN12620000510943. [ABSTRACT FROM AUTHOR]
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- 2024
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40. The utility of rested prolactin sampling in the evaluation of hyperprolactinaemia.
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Wilkinson, Tom, Li, Bobby, Soule, Steven, and Hunt, Penny
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REFERENCE values , *PITUITARY diseases , *CENTRAL venous catheterization , *PHLEBOTOMY , *RETROSPECTIVE studies , *ACQUISITION of data , *RELAXATION for health , *PROLACTIN , *COMPARATIVE studies , *OVERDIAGNOSIS , *MEDICAL records , *DESCRIPTIVE statistics , *DISEASE prevalence , *BLOOD testing , *PSYCHOLOGICAL stress - Abstract
Background and Aims: Serum prolactin levels may be elevated by venepuncture stress. We investigated the utility of a rested prolactin sample, obtained through an indwelling venous cannula, in preventing the overdiagnosis of hyperprolactinaemia. Methods: Patients at our institution undergo serial prolactin sampling, usually over 40 min, when investigating hyperprolactinaemia. We retrospectively reviewed all serial prolactin sampling performed during a 3‐year period. Patients with possible medication‐induced hyperprolactinaemia and macroprolactin interference were excluded. We assessed the effect of venepuncture‐associated stress on hyperprolactinaemia with the main outcome being normalisation of serum prolactin at the end of serial sampling. Results: Ninety‐three patients with documented hyperprolactinaemia (range 360–1690 mU/L) were included in the analysis. Prolactin decreased during serial sampling in 73 patients (78%), suggesting a prevalent effect of venepuncture stress. The final prolactin sample was normal in 50 patients (54%), consistent with stress hyperprolactinaemia rather than pathological hyperprolactinaemia. Patients with a referral prolactin result greater than two times the upper reference limit (URL) were less likely (15%) to have a normal prolactin result on serial sampling. Measurement of a single rested prolactin sample from an indwelling cannula showed the same diagnostic utility as serial sampling. Conclusion: Serum prolactin results are frequently elevated by the stress of venepuncture. Confirmation of pathological hyperprolactinaemia in a rested sample obtained from an indwelling venous cannula is recommended in patients with mild hyperprolactinaemia, particularly when the referral prolactin is less than two times the URL. [ABSTRACT FROM AUTHOR]
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- 2024
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41. Ropeginterferon phase 2 randomized study in low-risk polycythemia vera: 5-year drug survival and efficacy outcomes.
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Barbui, Tiziano, Carobbio, Alessandra, De Stefano, Valerio, Alvarez-Larran, Alberto, Ghirardi, Arianna, Carioli, Greta, Fenili, Francesca, Rossi, Elena, Ciceri, Fabio, Bonifacio, Massimiliano, Iurlo, Alessandra, Palandri, Francesca, Benevolo, Giulia, Pane, Fabrizio, Ricco, Alessandra, Carli, Giuseppe, Caramella, Marianna, Rapezzi, Davide, Musolino, Caterina, and Siragusa, Sergio
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POLYCYTHEMIA vera , *DRUG efficacy , *SURVIVAL rate , *TREATMENT effectiveness , *PHLEBOTOMY , *DISEASE progression - Abstract
In patients with low-risk polycythemia vera, exposure to low-dose Ropeginterferon alfa-2b (Ropeg) 100 µg every 2 weeks for 2 years was more effective than the standard treatment of therapeutic phlebotomy in maintaining target hematocrit (HCT) (< 45%) with a reduction in the need for phlebotomy without disease progression. In the present paper, we analyzed drug survival, defined as a surrogate measure of the efficacy, safety, adherence, and tolerability of Ropeg in patients followed up to 5 years. During the first 2 years, Ropeg and phlebotomy-only (Phl-O) were discontinued in 33% and 70% of patients, respectively, for lack of response (12 in the Ropeg arm vs. 34 in the Phl-O arm) or adverse events (6 vs. 0) and withdrawal of consent in (3 vs. 10). Thirty-six Ropeg responders continued the drug for up to 3 years, and the probability of drug survival after a median of 3.15 years was 59%. Notably, the primary composite endpoint was maintained in 97%, 94%, and 94% of patients still on drug at 3, 4, and 5 years, respectively, and 60% of cases were phlebotomy-free. Twenty-three of 63 Phl-O patients (37%) failed the primary endpoint and were crossed over to Ropeg; among the risk factors for this failure, the need for more than three bloodletting procedures in the first 6 months emerged as the most important determinant. In conclusion, to improve the effectiveness of Ropeg, we suggest increasing the dose and using it earlier driven by high phlebotomy need in the first 6 months post-diagnosis. [ABSTRACT FROM AUTHOR]
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- 2024
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42. Evaluation of a scoring system for vein suitability in platelet apheresis donors.
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Noushad, Shahida, Basavarajegowda, Abhishekh, Toora, Esha, Sahoo, Dibyajyoti, and Hari Priya, K M
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CRONBACH'S alpha ,BLOOD platelets ,INTRACLASS correlation ,VEINS ,BLOOD donors - Abstract
Introduction: Donor vein assessment for the selection of good quality veins is crucial for a successful apheresis procedure. This study intends to find out the effectiveness of a vein assessment scoring tool (VST) used and found to be effective in selecting whole blood donors to reduce the difficulty in identifying good quality veins for the plateletpheresis procedure. Materials and methods: This was a prospective observational study on platelet apheresis donors with the application of a VST consisting of three vein descriptor parameters (vein visibility, vein palpability, and vein size) with 5 Likert‐type responses constituting a score of 0–12 for each arm. Two vein assessors independently evaluated the vein in both arms and marked their responses blinded from each other as well from the principal investigator. The scores were then calculated and analyzed at the end of the study for their association with phlebotomy and procedural outcomes. Results: A total of 190 donors were recruited. The mean scores for the arms with successful and failed phlebotomy were 9.1 and 9.4 (SD 2.3), respectively. The intra‐class correlation Alpha Cronbach value was 0.834 and 0.837 for total scoring in the left arm and right arm, respectively, between the two assessors. Scores neither showed a correlation with other outcomes like low flow alarms, hematoma formation, number of phlebotomy attempts, and procedure completion. Conclusion: The study showed that the vein score tool did not truly predict the phlebotomy outcome in apheresis donors, though there was a good degree of inter‐assessor reliability. [ABSTRACT FROM AUTHOR]
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- 2024
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43. At a glance: a guide to venepuncture in adults.
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Ford, Claire and Skarparis, Katy
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TOURNIQUETS , *ASEPSIS & antisepsis , *PAIN , *VEINS , *INDUSTRIAL safety , *PHLEBOTOMY , *OPERATIVE surgery , *BLOOD collection , *SIMULATION methods in education , *INFORMED consent (Medical law) , *ARM , *HAND , *CLINICAL competence , *PAIN management , *ADULTS ,HAND anatomy ,PREVENTION of surgical complications - Abstract
This article will provide clinical guidance on carrying out venepuncture on an adult. It will discuss site, equipment selection and aseptic non-touch technique. The aims are to increase knowledge of the anatomical structures associated with venepuncture, demonstrate the clinical procedural technique of venepuncture, and provide an awareness of the dangers and complications of this invasive technique. [ABSTRACT FROM AUTHOR]
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- 2024
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44. Haemochromatosis in children: A national retrospective cohort promoted by the A.I.E.O.P. (Associazione Italiana Emato‐Oncologia Pediatrica) study group.
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Corti, Paola, Ferrari, Giulia Maria, Faraguna, Martha Caterina, Capitoli, Giulia, Longo, Filomena, Corradini, Elena, Casini, Tommaso, Boscarol, Gianluca, Pinto, Valeria Maria, Ghilardi, Roberta, Russo, Giovanna, Colombatti, Raffaella, Mariani, Raffaella, and Piperno, Alberto
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HEMOCHROMATOSIS , *IRON chelates , *GAIN-of-function mutations , *MORPHOGENESIS , *GENETIC disorders - Abstract
Summary: Haemochromatosis (HC) encompasses a range of genetic disorders. HFE‐HC is by far the most common in adults, while non‐HFE types are rare due to mutations of HJV, HAMP, TFR2 and gain‐of‐function mutations of SLC40A1. HC is often unknown to paediatricians as it is usually asymptomatic in childhood. We report clinical and biochemical data from 24 paediatric cases of HC (10 cases of HFE‐, 5 TFR2‐, 9 HJV‐HC), with a median follow‐up of 9.6 years. Unlike in the adult population, non‐HFE‐HC constitutes 58% (14/24) of the population in our series. Transferrin saturation was significantly higher in TFR2‐ and HJV‐HC compared to HFE‐HC, and serum ferritin and LIC were higher in HJV‐HC compared to TFR2‐ and HFE‐HC. Most HFE‐HC subjects had relatively low ferritin and LIC at the time of diagnosis, so therapy could be postponed for most of them after the age of 18. Our results confirm that HJV‐HC is a severe form already in childhood, emphasizing the importance of early diagnosis and treatment to avoid the development of organ damage and reduce morbidity and mortality. Although phlebotomies were tolerated by most patients, oral iron chelators could be a valid option in early‐onset HC. [ABSTRACT FROM AUTHOR]
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- 2024
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45. Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing.
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Ialongo, Cristiano
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BLOOD alcohol , *DRUNK driving , *PATHOLOGICAL laboratories , *BLOOD alcohol analysis , *ALCOHOLIC intoxication , *PHLEBOTOMY - Abstract
The analysis of blood alcohol concentration (BAC), a pivotal toxicological test, concerns acute alcohol intoxication (AAI) and driving under the influence (DUI). As such, BAC presents an organizational challenge for clinical laboratories, with unique complexities due to the need for forensic defensibility as part of the diagnostic process. Unfortunately, a significant number of scientific investigations dealing with the subject present discrepancies that make it difficult to identify optimal practices in sample collection, transportation, handling, and preparation. This review provides a systematic analysis of the preanalytical phase of BAC that aims to identify and explain the chemical, physiological, and pharmacological mechanisms underlying controllable operational factors. Nevertheless, it seeks evidence for the necessity to separate preanalytical processes for diagnostic and forensic BAC testing. In this regard, the main finding of this review is that no literature evidence supports the necessity to differentiate preanalytical procedures for AAI and DUI, except for the traceability throughout the chain of custody. In fact, adhering to correct preanalytical procedures provided by official bodies such as European federation of clinical chemistry and laboratory medicine for routine phlebotomy ensures both diagnostic accuracy and forensic defensibility of BAC. This is shown to depend on the capability of modern pre-evacuated sterile collection tubes to control major factors influencing BAC, namely non-enzymatic oxidation and microbial contamination. While certain restrictions become obsolete with such devices, as the use of sodium fluoride (NaF) for specific preservation of forensic BAC, this review reinforces the recommendation to use non-alcoholic disinfectants as a means to achieve "error-proof" procedures in challenging operational environments like the emergency department. [ABSTRACT FROM AUTHOR]
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- 2024
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46. The effect of vibrating cold application and puppet use on pain and fear during phlebotomy in children: A randomized controlled study.
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Yaz, Şeyda Binay, Başdemir, Sinem, and Geçtan, Eliz
- Abstract
Non-pharmacological methods are often used as a creative strategy to reduce pain and fear in children during a painful procedure such as phlebotomy. This study was conducted to evaluate the effects of Bee Buzzy and puppet use on pain and fear during phlebotomy in children. This randomized controlled study was conducted in the pediatric phlebotomy unit of a university hospital. The CONSORT checklist was used in this study. The sample of 3–6 years children (n = 105) was divided into groups by block randomization. Children's pain and fear scores were evaluated with the Wong-Baker Faces Pain Rating Scale and Children's Fear Scale by the parents and the nurse who attempted phlebotomy during phlebotomy. A statistically significant difference was found between the Bee Buzzy and puppet and Bee Buzzy and control groups in pain scores (p <.05). Pain scores were lower in the Bee Buzzy group than in the puppet and control groups. A statistical difference was found between Bee Buzzy and the control group or puppet and control group according to all fear scores (p <.05). Fear scores were lower in the Bee Buzzy and puppet group (p <.05). The results show that the use of Bee Buzzy during phlebotomy has a pain-relieving effect, and the use of Bee Buzzy and puppet has an anti-fear effect in 3–6-year-old children. The use of Bee-Buzzy and puppets is effective in reducing pain and fear in children as they increase effective communication and distract attention. Clinical Trial Registration: National Institutes of Health (NIH), ClinicalTrials.gov , NCT05827783. • It is important to use non-pharmacological methods in the management of pain and fear. • In children,the use of Bee-Buzzy is effective in reducing pain and fear, and the use of puppets is effective in reducing fear. [ABSTRACT FROM AUTHOR]
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- 2024
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47. Very elevated serum copeptin concentrations occur in a subset of healthy children in the minutes after phlebotomy.
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Sastry, Shruti, March, Christine A., McPhaul, Michael J., and Garibaldi, Luigi R.
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Although AVP and its surrogate, copeptin, are mainly regulated by osmotic and volume stimuli, their secretion is also elicited by stress and growth hormone (GH) stimulating agents. The aim of this report is to describe unusual patterns of copeptin response in a subset of children undergoing GH stimulation tests (GH-ST). We conducted a secondary analysis of a cohort of 93 healthy short children with no polydipsia, polyuria or fluid/electrolyte abnormalities, undergoing GH-ST with intravenous arginine, insulin, oral clonidine, or L-Dopa/carbidopa in various combinations. Serum copeptin concentrations were measured 1–3 min after phlebotomy (0 min) and at 60, 90, 120 min during GH-ST. In 85 subjects (normal response group, NRG) serum copeptin concentrations increased from a 0 min median of 9 pmol/L (IQR 6, 11.5) (all values ≤21) to a median peak between 60 and 120 min of 22 (IQR15, 38) pmol/L, which varied depending on the stimulating agent. Conversely, in the eight outliers, copeptin concentrations decreased gradually from a median of 154 (IQR 61, 439) pmol/L (all ≥40 pmol/L) to values as low as 14 % of the basal value, by 120 min. Test-associated anxiety was described in 17 subjects in the NRG (20 %) and five of the outliers (63 %). A distinctive pattern of very elevated serum copeptin concentrations occurred in 9 % of children undergoing GH-ST, similar to reports in previous pediatric studies. Etiology may include pain or stress of phlebotomy. This phenomenon should be recognized for proper interpretation of copeptin values in children. [ABSTRACT FROM AUTHOR]
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- 2024
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48. Improving Phlebotomy Practices Through Small-Volume Blood Tubes: A Survey-Based Study.
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Arslan, Fatma Demet, Van, Tugba Oncel, Alpsen, Canan, Cinar, Sevgi, and Koseoglu, Mehmet
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HEMORRHAGE prevention ,INTENSIVE care units ,MEDICAL wastes ,WORK environment ,KEY performance indicators (Management) ,NEONATAL intensive care ,PHLEBOTOMY ,PHLEBOTOMISTS ,BLOOD transfusion ,BLOOD collection ,NEONATAL intensive care units ,MANN Whitney U Test ,PATIENTS' attitudes ,SURVEYS ,QUALITY assurance ,CLINICAL medicine ,CHI-squared test ,DESCRIPTIVE statistics ,BLOOD volume ,HOSPITAL information systems ,DATA analysis software - Abstract
Aim: The blood collection for laboratory tests has been frequently performed due to evidence-based medicine. We aimed to conduct a survey on phlebotomy among phlebotomists and patients and to reduce unnecessary blood loss by using small-volume blood collection tubes. Material and Method: A survey among phlebotomists and patients was conducted to gather their opinions. Phlebotomists received training on the importance of the preanalytical process. The blood volume required for laboratory tests was reduced by 33.3%-50.0% in children and adults, and 63.0%-84.0% in newborns. Following this intervention, we investigated its effects on the blood transfusion ratio in the neonatal and adult intensive care unit (NICU and ICU) and the amount of laboratory medical waste generated. Results: A majority of phlebotomists (91.8%) reported difficulties in drawing blood from newborns, pediatric, oncology, hematology, and geriatric patients. Additionally, 68.9% of phlebotomists and 57.1% of patients expressed an opinion for reduced blood volume. Despite an increase in the number of laboratory tests (28.4%) and samples (15.7%), we observed a 17.8% reduction in the amount of laboratory medical waste. Although the number of patients in NICU increased statistically significant, the increase in transfusion rates was not significant. Although the number of patients in ICU increased, transfusion rates decreased, but neither was found to be statistically significant. Conclusion: Post-graduation, phlebotomists should be educated regularly about the preanalytical process. Based on the opinions of both phlebotomists and patients, using small-volume tubes in patients with difficult blood collection may increase their satisfaction. Generally, laboratory medical waste may be reduced. [ABSTRACT FROM AUTHOR]
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- 2024
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49. Flebotomía (sangría) terapéutica en domicilio.
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Taveira-Castro Fontoura, Nuno, Díaz Heredia, Ana Isabel, Rojas Crespo, Karen Lucia, Sanllorente Anguiano, Celia, Gresa Alcón, Cristian, and López-Bas Valero, Rafael
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BLOOD testing ,PATIENTS' families ,HOSPITAL patients ,HOME care services ,HEMOGLOBINS ,HEMATOCRIT - Abstract
Copyright of Hospital a Domicilio is the property of Centro Internacional Virtual de Investigacion en Nutricion and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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50. Nine treatments of 1000 mL therapeutic phlebotomy in a subject with polycythemia: A case report
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William J. Morton, Anton Hauge, Helge Opdahl, Erling Bekkestad Rein, Signe Søvik, and Jonny Hisdal
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hemorrhage ,human ,phlebotomy ,polycythemia ,Physiology ,QP1-981 - Abstract
Abstract Large‐volume therapeutic phlebotomy is the mainstay of hemochromatosis treatment and offers an opportunity to investigate the hemodynamic changes during acute hypovolemia. An otherwise healthy 64‐year‐old male with hemochromatosis participated. On nine separate visits, 1000 mL therapeutic phlebotomy was performed. On one occasion, pre‐ and post‐phlebotomy orthostatic challenge with 27° reverse Trendelenburg position was administered. Mean arterial pressure, heart rate, and stroke volume were measured continuously during the procedures. The patient's tolerance to the interventions was continuously evaluated. The procedures were well tolerated by the patient. Mean arterial pressure was maintained during hemorrhage and following phlebotomy in both supine and reverse Trendelenburg positions, primarily through an increase in heart rate and systemic vascular resistance. The present study found that 1000 mL therapeutic phlebotomy in a patient with hemochromatosis may be acceptably and safely used to model hemorrhage. The approach demonstrates high clinical applicability and ethically robustness in comparison with volunteer studies.
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- 2024
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- View/download PDF
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