34,949,511 results on '"Hand."'
Search Results
2. [Open Fractures of the Hand: is there No Alternative to Definitive Osteosynthetic Treatment in an Emergency Situation?]
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Vergote D, Mentzel M, Bauknecht S, and Moeller RT
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- Humans, Female, Male, Adult, Middle Aged, Aged, Adolescent, Young Adult, Aged, 80 and over, Time-to-Treatment, Retrospective Studies, Emergencies, Hand Bones injuries, Hand Bones surgery, Fractures, Open surgery, Fracture Fixation, Internal methods, Hand Injuries surgery, Surgical Wound Infection
- Abstract
There is an emergency indication for the treatment of open fractures. Fracture stabilisation and soft tissue care are equal prerequisites for an uncomplicated course of treatment and a good functional result. However, challenges arise in cases of extensive wound contamination and compromised perfusion, limiting options for stable osteosynthesis in emergency situations. Furthermore, resource constraints may pose a challenge to adhering strictly to the six-hour time window. This prompts deliberations on whether, under certain circumstances, a deviation from the conventional approach is feasible by exploring the possibility of prioritising immediate surgical wound care during emergencies, with definitive fracture care deferred to a later point in time. Between 2019 and 2021, 301 patients with open fractures of the hand skeleton were treated (median age 44 years, 85% male, 15% female). Definitive treatment was carried out as a primary emergency procedure in 215 patients (group A), whereas it was performed at an interval after an average of 3 days in 86 patients (group B), who had received surgical wound care, splint placement, and antibiotic coverage on the day of the injury. In a retrospective study, the following criteria were analysed: comorbidities, injury patterns, injury location, timing of treatment, number of follow-up procedures, infection rate, and duration of hospitalisation. The course was complicated by infection in six patients (1.9%). Five of these patients were in group A (infection rate 2.3%), and only one patient was in group B (infection rate 1.1%). All six infections occurred after crush injuries, all at the fingertip or end joint. These numbers underscore the relevance of soft tissue trauma and primary stump formation. Comorbidities were not statistically significant in our study with a view to the occurrence of infection. In conclusion, it can be stated that, with antibiotic protection, definitive treatment of an open fracture in an interval is possible if it is preceded by initial emergency surgical wound care with subsequent immobilisation., Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)
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- 2024
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3. Die 3-Schrauben-Technik – Ergotherapie bei rheumatischen Erkrankungen an der Hand
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Van Ginneken, F.
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- 2024
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4. 47/w mit einschlafender Hand: Vorbereitung auf die Facharztprüfung: Fall 66
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Deecke, Ruth
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- 2024
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5. Ocular manifestation of hand, foot, and mouth disease: A case series
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Radunsky, Katharina, Boltz, Agnes, and Vécsei-Marlovits, Veronika Pia
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- 2024
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6. Hand-Fuß-Syndrom nach Einnahme eines Fibroblast-Growth-Factor-Receptor-2-Hemmers
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Kendziora, Benjamin, Flaig, Michael, and Maurer, Michaela
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- 2024
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7. The Haunted Hand
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路易絲.杜普蕾, DUPRÉ, LOUISE, 路易絲.杜普蕾, and DUPRÉ, LOUISE
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- 2020
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8. Kutane Nebenwirkungen onkologischer Systemtherapien: Hand-Fuß-Syndrom und Nagelveränderungen
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Ugurel, Selma, Pföhler, Claudia, and Gutzmer, Ralf
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- 2024
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9. Trends in the hand hygiene practices using alcohol-based hand rubs in Japanese hospitals before and after the novel coronavirus pandemic: an observational study using national surveillance data.
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Higashionna T, Hagiya H, Fujita Y, and Kiguchi T
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- Humans, Alcohols administration & dosage, COVID-19 prevention & control, COVID-19 epidemiology, Guideline Adherence statistics & numerical data, Hand Disinfection methods, Hand Sanitizers administration & dosage, Infection Control methods, Japan epidemiology, Cross Infection prevention & control, Cross Infection epidemiology, Hand Hygiene statistics & numerical data, Hand Hygiene methods, Hospitals statistics & numerical data
- Abstract
Background: Healthcare-associated infections (HAIs) are a global concern in healthcare facilities, and hand hygiene (HH) using alcohol-based hand rubs (ABHR) is fundamentally crucial for their prevention. While previous studies report improvements in HH compliance amid the COVID-19 pandemic, the real situation in Japanese medical settings remains unclear., Methods: This observational study sought data from the Japanese national surveillance, focusing on ABHR use in hospitals before and after the COVID-19 pandemic. Data were retrieved from facilities certified to receive the Additional Healthcare Reimbursements for Infection Prevention and Control I. The study spanned five years (2019-2023), segmented quarterly, and employed Joinpoint regression analysis to assess the annual percentage change (APC)., Results: Overall, ABHR use per patient per day significantly increased both in critical care units and general wards amid the pandemic. However, the APC in the critical care units demonstrated a downward trend from Q4 of 2021 to Q1 of 2023, and ABHR use in general wards remained below the amount of WHO recommendations., Conclusion: This trend analysis highlighted recent patterns of ABHR use in Japanese hospitals by comparing pre- and post-COVID-19 periods. Although increases in ABHR use were observed over time, sustained efforts to promote HH compliance are necessary, particularly in general wards., (Copyright © 2024 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.)
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- 2024
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10. [A child's severe injury of the palm hand - challenges and opportunities].
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Kupczyk EK, Jakubietz RG, Paul MM, Schäfer S, and Hölscher-Doht S
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- Humans, Child, Microsurgery, Male, Hand Injuries surgery, Hand Injuries diagnostic imaging
- Abstract
Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht.
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- 2024
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11. Social conditions impact functional outcome in patients with hand osteoarthritis: the low-income hand osteoarthritis (LIHOA) cohort.
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de Azevedo FVA, Borges JPS, de Souza Filho AM, Junior JCGC, Silveira CRS, and Rocha FAC
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- Humans, Female, Male, Middle Aged, Aged, Brazil, Hand Joints physiopathology, Obesity complications, Dyslipidemias, Metabolic Syndrome, Cohort Studies, Pinch Strength physiology, Pain Measurement, Comorbidity, Visual Analog Scale, Literacy, Osteoarthritis physiopathology, Poverty, Hand Strength
- Abstract
Background: Hand osteoarthritis (HOA) is a highly prevalent disease that may be impacted by social inequalities. Few studies in HOA are from underdeveloped regions. We intend to contribute to fill this gap presenting clinical characteristics of our low-income HOA cohort (LIHOA)., Methods: Data from 119 patients with a HOA diagnosis fulfilling ACR criteria seen between August 2019 and May 2023 in Fortaleza/Brazil. Evaluations included pain (VAS, visual analogue scale), X-ray (KL, Kellgren-Lawrence), grip and pinch strength (KgF), Cochin hand functional scale (CHFS), FIHOA, and SF-12 scores. Social data included monthly (<1, 1≥/<3, ≥3 MW) minimum wage earnings, occupation, and literacy [≥ 9 school-years (SY)]., Results: 107 out of the 119 patients were included. Mean age was 61.9 (±10.3) years with 94 (92%) women. Systemic arterial hypertension (48%), metabolic syndrome (42.8%), dyslipidemia (28.4%), and obesity (25%) were the most common comorbidities. Mean disease duration was 7.5 ± 7.1 years. Median VAS values at rest and activity were 3 (3-5) and 8 (5-9), respectively (p < 0.001). Fifty-seven (56.4%) patients had ≥4 symptomatic joints with a median of 4 (2-8) painful joints at activity. The 2nd distal interphalangeal (IF), joint was the most symptomatic (21; 23.3%) and most had >4 IF nodes. OA in other joints: 37 (36.2%) spine, 28 (29.4%) knee, 21 (20.5%) bunions. Functional impairment was mild [8 (5-14) median FIHOA]. Median serum CRP was 0.2 mg/dL (0.1-0.4) with 14 (20%) patients above reference value. Mean total KL score was 27.6 ± 13.6 with 21 (23%), 38 (41.7%), and 33 (36.2%) KL2, KL3, and KL4, respectively; 51 (54.8%) and 42 (45.2%) patients declared ≥3 MW earnings, respectively. Most declared >9SY including 37.2% with a university degree. Individuals earning <3 MW had lower pinch (p < 0.004) and grip strength (p < 0.01), and higher FIHOA scores (p < 0.007), as compared to ≥3 MW earning group. Literacy or occupation did not impact outcome. SYSADOA were used by 13 (12.7%), 6 used oral and 3 topical anti-inflammatory drugs and 2 used 5 mg/d prednisone., Conclusion: Clinical characteristics in our LIHOA cohort mirror those reported in affluent regions. Socioeconomic disparities influenced functional outcome in LIHOA cohort., (© 2024. The Author(s).)
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- 2024
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12. Study on hand disinfection in inpatient geriatric care on the superiority of cold plasma aerosol versus alcohol-based disinfection methods in a parallel group design.
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Tischendorf T, Schaal T, and Schmelz U
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- Humans, Plasma Gases pharmacology, Female, Disinfectants pharmacology, Male, Staphylococcus aureus drug effects, Aerosols, Aged, Disinfection methods, Cross Infection prevention & control, Cross Infection microbiology, Inpatients, Ethanol, Alcohols, Hand Sanitizers, Hand microbiology, Hand Disinfection methods
- Abstract
The introduction of fundamental hygiene protocols within the healthcare sector during the nineteenth century led to a significant reduction in mortality rates. Contemporary advancements, such as alcohol-based sanitizers, have further enhanced hand hygiene practices. However, these measures are often overlooked in nursing facilities, resulting in low staff compliance rates and increased cross-infection rates. Novel approaches, such as cold plasma hand disinfection, present promising alternatives due to their minimal skin damage and economic benefits. This study aims to compare the disinfectant efficacy of cold plasma aerosol under practical application conditions with an alcoholic hand disinfectant listed by the Association for Applied Hygiene. The microbial count on participants' hands was measured, with particular attention paid to the spontaneous occurrence of fecal indicators and the presence of potentially infectious bacteria. A t-test for independent samples was conducted to determine whether there was a significant difference between the two cohorts regarding the research question. Statistical analysis revealed that the mean log colony-forming unit (CFU) values were significantly lower in the test cohort using only the cold plasma method for hand disinfection compared to the cohort using conventional alcohol-based hand disinfection. Moreover, it was demonstrated that, unlike alcohol-based hand disinfection, cold plasma application ensures the effective elimination of Staphylococcus aureus. The findings indicate that staff utilizing plasma disinfection have an average bacterial count that is 0.65 log units lower than those who regularly use alcohol-based hand disinfection. In addition to the efficacy of cold plasma disinfection, its superiority over alcohol-based hand disinfection was also established. Beyond offering economic and logistical advantages, cold plasma disinfection provides additional health benefits as it does not induce skin damage, unlike alcohol-based hand disinfection., (© 2024. The Author(s).)
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- 2024
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13. Special-form radial collateral artery perforator flaps for the reconstruction of complex hand defects.
- Author
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Xiong Y, Xiong Q, Qing LM, Wu PF, Tang JY, and Yu F
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- Humans, Female, Male, Adult, Middle Aged, Hand surgery, Hand blood supply, Young Adult, Follow-Up Studies, Treatment Outcome, Feasibility Studies, Perforator Flap blood supply, Plastic Surgery Procedures methods, Radial Artery transplantation, Hand Injuries surgery
- Abstract
Background: The reconstruction of complex wounds of the hand still has challenges in achieving aesthetic, functional and sensory recovery. We presented our experience of using the polyfoliate and chimeric radial collateral artery perforator flaps (RCAPF) to repair complex hand defects, aiming to explore the feasibility of special-form RCAPFs in hand coverage and enhance the comprehension of their respective indications., Methods: From June 2014 to March 2021, 26 cases (19 males and 7 females, mean 44.4 years) underwent defect and sensation reconstruction of their hands with special-form RCAPFs, which manifested as multiple adjacent or irregular single wounds and composite tissue defects complicated with a degree of nerve injury. The clinical effects of the free RCAPFs were evaluated by integrating the postoperative and long-term follow-up outcomes of all cases., Results: Altogether 8 polyfoliate flaps, 17 chimeric flaps and 1 polyfoliate-chimeric flap were harvested. Of them, 23 flaps survived uneventfully in one stage. Venous congestion occurred in 3 cases, two of which survived through vascular exploration and another one was finally repaired by the contralateral RCAPF. The follow-up results showed that the appearance of both the recipient and donor sites mostly recovered satisfactory. All the bone flaps properly healed. The BMRC sensory evaluation results of all skin flaps were S4 in 8 flaps, S3 in 18 flaps, and S2 in 9 flaps., Conclusions: The free RCAPFs can be designed in various forms with a reliable blood supply, contributing to reconstructing simple and multiple wounds of the hand with or without bone defects and dead space., (© 2024. The Author(s).)
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- 2024
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14. Hand hygiene compliance in nursing home wards: The effects of feedback with lights on alcohol-based hand rub dispensers.
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Iversen AM, Hansen MB, Kristensen B, and Ellermann-Eriksen S
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- Humans, Denmark, Feedback, Infection Control methods, Infection Control standards, Female, Alcohols administration & dosage, Cross Infection prevention & control, Male, Hand Disinfection methods, Hand Disinfection standards, Hand Sanitizers administration & dosage, Guideline Adherence statistics & numerical data, Nursing Homes, Hand Hygiene methods, Hand Hygiene standards, Health Personnel
- Abstract
Background: Hand hygiene (HH) among health care workers (HCWs) is crucial in preventing infections in nursing homes. However, HH compliance (HHC) among HCWs remains low. This study aimed to investigate the effect of feedback lights on HCWs' HHC., Methods: A 5-month interventional study was conducted in 3 wards in a nursing home in Denmark. During the intervention period, a green light with a smiley appeared on the alcohol-based hand rub (ABHR) dispensers when HCWs used the ABHR, acknowledging HCWs for using the ABHR. HHC was monitored using an automatic HH monitoring system (AHHMS)., Results: A total of 64 HCWs were enrolled. The AHHMS collected 23,696 HH opportunities in apartments and dirty utility rooms. Overall, HHC in the apartments increased from 50% at baseline (95% CI: 48, 53) to 56% (95% CI: 54, 58) during the intervention. However, the increased HHC level was not sustained during follow-up., Conclusions: The AHHMS enabled the assessment of the intervention. We found a significant effect of light-guided feedback in the apartments. However, the increased HHC was not sustained after the light was switched off., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
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- 2024
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15. Antibiotic resistance pattern of bacterial strains emerged using frequent hand sanitizers during corona pandemic.
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Vadadoriya N, Sajeevan S, Bhojani G, Patel N, Haldar S, and Chatterjee S
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- Humans, Pandemics, Anti-Bacterial Agents pharmacology, Drug Resistance, Bacterial, SARS-CoV-2, Drug Resistance, Microbial, Hand Disinfection, Hand Sanitizers, COVID-19, Bacteria drug effects
- Abstract
Hands are in fact the main route of transmission of pathogenic infections. By using proper hand sanitization, we can break the virus's transmission chain, which is especially important in the ongoing COVID pandemic outbreaks. The effectiveness of hand sanitization is solely dependent on the use of sufficient antibacterial agents, which come in a variety of levels and types, including antimicrobials commercial, water-based, or alcohol-based hand sanitizer, the latter being widely used during pandemics. Therefore, the sudden overuse of sanitizers also could lead to an increase in the tolerance limit for normal hand flora and the new development of antimicrobial resistance (AMR). In this study, we investigated the relationship between hand sanitizer-tolerant bacteria and their antibiotic resistance profile to multiple antibiotic agents. On a timely basis before and after using different hand sanitizers, bacterial strains were collected from the volunteers of CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI). Sanitizer tolerant bacterial strains were observed also just after the application of sanitizers, which also showed the AMR phenomenon. The resultant sanitizers' resistant microbiome showed the dominant presence of Bacillus sp., Staphyloccocus sp., Paenibacillus sp., Lysinibacillus sp., Exiguobacterium sp. and Leclercia sp. All 36 nos of bacterial strains showed MDR (> 5 nos)., (© 2024. The Author(s), under exclusive licence to Springer Nature Switzerland AG.)
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- 2024
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16. Optimizing Outcomes in the Management of the Burned Hand.
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Slater ED, James AJ, and Hill JB
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- Humans, Surgical Flaps, Contracture surgery, Contracture etiology, Contracture prevention & control, Treatment Outcome, Hand Deformities, Acquired surgery, Hand Deformities, Acquired etiology, Burns surgery, Burns therapy, Burns complications, Hand Injuries surgery, Plastic Surgery Procedures methods
- Abstract
Burns of the hand are prevalent and must be managed aggressively in the acute phase to prevent deformity and disability. Proper early wound management, achieving durable soft tissue coverage, and appropriate positioning in the acute period offer substantial benefits to patients long-term. When contractures occur, secondary procedures are often indicated, and they range from laser therapy to local/regional flap coverage; rarely free flaps are used. Boutonniere deformities are common, and unfortunately, at times finger amputation renders the hand more functional than further efforts at reconstruction., Competing Interests: Disclosure The authors have no financial relationships to disclose., (Published by Elsevier Inc.)
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- 2024
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17. Hand and environmental hygiene: respective roles for MRSA, multi-resistant gram negatives, Clostridioides difficile, and Candida spp.
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Boyce JM
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- Humans, Candida drug effects, Hand Disinfection methods, Infection Control methods, Drug Resistance, Multiple, Bacterial, Candidiasis prevention & control, Candidiasis microbiology, Clostridium Infections prevention & control, Clostridium Infections transmission, Clostridium Infections microbiology, Clostridium Infections epidemiology, Disinfectants pharmacology, Hand microbiology, Health Personnel, Clostridioides difficile drug effects, Cross Infection prevention & control, Hand Hygiene, Methicillin-Resistant Staphylococcus aureus drug effects
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Healthcare-associated infections (HAIs) caused by multidrug-resistant organisms (MDROs) represent a global threat to human health and well-being. Because transmission of MDROs to patients often occurs via transiently contaminated hands of healthcare personnel (HCP), hand hygiene is considered the most important measure for preventing HAIs. Environmental surfaces contaminated with MDROs from colonized or infected patients represent an important source of HCP hand contamination and contribute to transmission of pathogens. Accordingly, facilities are encouraged to adopt and implement recommendations included in the World Health Organization hand hygiene guidelines and those from the Society for Healthcare Epidemiology of America/Infectious Diseases Society of America/Association for Professionals in Infection Control and Epidemiology. Alcohol-based hand rubs are efficacious against MDROs with the exception of Clostridiodes difficile, for which soap and water handwashing is indicated. Monitoring hand hygiene adherence and providing HCP with feedback are of paramount importance. Environmental hygiene measures to curtail MDROs include disinfecting high-touch surfaces in rooms of patients with C. difficile infection daily with a sporicidal agent such as sodium hypochlorite. Some experts recommend also using a sporicidal agent in rooms of patients colonized with C. difficile, and for patients with multidrug-resistant Gram-negative bacteria. Sodium hypochlorite, hydrogen peroxide, or peracetic acid solutions are often used for daily and/or terminal disinfection of rooms housing patients with Candida auris or other MDROs. Products containing only a quaternary ammonium agent are not as effective as other agents against C. auris. Portable medical equipment should be cleaned and disinfected between use on different patients. Detergents are not recommended for cleaning high-touch surfaces in MDRO patient rooms, unless their use is followed by using a disinfectant. Facilities should consider using a disinfectant instead of detergents for terminal cleaning of floors in MDRO patient rooms. Education and training of environmental services employees is essential in assuring effective disinfection practices. Monitoring disinfection practices and providing personnel with performance feedback using fluorescent markers, adenosine triphosphate assays, or less commonly cultures of surfaces, can help reduce MDRO transmission. No-touch disinfection methods such as electrostatic spraying, hydrogen peroxide vapor, or ultraviolet light devices should be considered for terminal disinfection of MDRO patient rooms. Bundles with additional measures are usually necessary to reduce MDRO transmission., (© 2024. The Author(s).)
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- 2024
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18. Surgical Hand Antisepsis: Environmental and Cost Impact in Hand Surgery.
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Mastracci JC, Bonvillain KW 2nd, and Gaston RG
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- Humans, Operating Rooms economics, Hand surgery, Hand microbiology, United States, Antisepsis methods, Hand Disinfection, Surgical Wound Infection prevention & control, Surgical Wound Infection economics, Anti-Infective Agents, Local economics
- Abstract
Health care systems, including operating rooms, are a considerable contributor to environmental waste. Given ongoing concerns regarding water scarcity in the United States and worldwide, action to reduce water utilization should be taken. Traditional water-based hand scrubbing wastes an estimated 11 L of water per scrub. Waterless hand rubbing with an alcohol-based solution has been shown to be as effective as traditional water-based hand scrubbing in surgical hand antisepsis and in preventing surgical site infections. Furthermore, alcohol-based rubbing results in less waste and reduced costs when compared with water-based hand scrubbing. The hand surgery operating room, including minor procedure rooms, serves as an opportunity to decrease water use and reduce the environmental impact of our field. Waterless alcohol-based hand rubbing for antisepsis may also be an opportunity to save money and provide value-based care to our patients., Competing Interests: Conflicts of Interest Dr R. Glenn Gaston has Biomet IP royalties, is paid consultant for Hanger Clinic, Integra, Restor3d, Stryker, Checkpoint Surgical, Enovis and is also a Board/committee member of American Association for Hand Surgery and American Society for Surgery of the Hand. No benefits in any form have been received or will be received by other authors related directly to this article., (Copyright © 2024 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.)
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- 2024
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19. Evaluating the tolerability and acceptability of a locally produced alcohol-based handrub and hand hygiene behaviour among health workers in Sierra Leone: a longitudinal hospital-based intervention study.
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Fofanah BD, Kamara IF, Kallon C, Kamara R, Nuwagira I, Musoke R, Tengbe SM, Lakoh S, Korjie MM, Sheriff B, Maruta A, Katawera V, Kamara A, Hailu BG, Kanu JS, Makamure T, Njuguna C, and Kabego L
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- Humans, Sierra Leone, Longitudinal Studies, Female, Male, Adult, Health Personnel, Ethanol, Middle Aged, Hand Disinfection methods, Hand Hygiene standards, Hand Hygiene methods
- Abstract
Background: Alcohol-based handrub (ABHR) is the gold standard for hand hygiene (HH) and is a cornerstone of infection prevention and control (IPC) strategies. However, several factors influence the efficient use of ABHR by health workers. This study evaluated the tolerability and acceptability of a locally produced ABHR product and HH behaviour among health workers., Methods: A longitudinal hospital-based intervention study was conducted in accordance with the WHO's standardized protocol for evaluating ABHR tolerability and acceptability (Method 1). Sixty health workers across 4 hospitals in Sierra Leone were observed over a 30-day period at three separate visits (days 1, 3-5, and 30) by trained observers. The outcomes of interest included skin tolerability and product acceptabilityevaluated using subjective and objective measures., Results: Objective and subjective evaluations demonstrated strong skin tolerability and high acceptability with the product. At all three visits, the skin tolerability score assessed by trained observers was < 2 in ≥ 97% of participants, exceeding the WHO benchmark score (BMS = < 2 in ≥ 75%). Participants' self-evaluations of overall skin integrity were 97% (visit 2) and 98% (visit 3) for scores > 4 (BMS = > 4 in ≥ 75%). The primary acceptability criteria increased up to 95% (colour) and 88% (smell) at visit 3 (BMS = > 4 in ≥ 50%). Despite high acceptability, the product's drying effect remained low at 52% and 58% during visits 2 and 3, respectively (BMS = > 4 in ≥ 75%). There were positive HH behaviours (n = 53, 88%), with more than half (n = 38, 63%) of them exhibiting HH at almost every HH moment. The mean ABHR was notably high (76.1 ml, SD ± 35), especially among nurses (mean = 80.1 ml) and doctors (mean = 74.0 ml)., Conclusion: The WHO-formulated, locally produced ABHR was well tolerated and accepted by health workers. These findings support the continuous utilization of evidence-based, cost-effective hand hygiene interventions in resource-limited settings. High handrub consumption and frequent HH practices were noticeable HH behaviours. Further research is recommended to optimize product formulations for skin dryness and investigate the association between ABHR consumption and hand hygiene compliance., (© 2024. The Author(s).)
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- 2024
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20. [Clinical application of perforator-based propeller flaps in repair of hand wound].
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Wang H, Wang H, Qin H, Hao R, Ma T, Liu Y, and Wang B
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- Humans, Male, Female, Adult, Middle Aged, Adolescent, Retrospective Studies, Aged, Young Adult, Skin Transplantation methods, Wound Healing, Debridement methods, Treatment Outcome, Hand surgery, Soft Tissue Injuries surgery, Hand Injuries surgery, Perforator Flap, Plastic Surgery Procedures methods
- Abstract
Objective: To investigate the effectiveness of the perforator-based propeller flaps (PPFs) based on digital artery (DA) and dorsal metacarpal artery (DMA) in repairing hand wounds., Methods: The clinical data of 45 patients with hand wounds between January 2018 and March 2023 were retrospectively analyzed. There were 27 males and 18 females with an average age of 41.2 years (range, 14-72 years). The causes of injury included twist injury in 15 cases, crush injury in 19 cases, and cut injury in 11 cases. The injured parts included 32 cases of digits, 10 cases of dorsal hand, and 3 cases of palmar hand, all of which had tendon, joint, and bone exposure. The time from injury to operation ranged from 2 to 8 hours (mean, 4.3 hours). The wound sizes after debridement ranged from 1.8 cm×1.0 cm to 5.0 cm×3.5 cm. Twenty-eight cases were repaired by the PPFs based on DA and 17 cases were repaired by the PPFs based on DMA. The flap size ranged from 2.5 cm×1.1 cm to 8.5 cm×4.0 cm. The defects of the donor sites in 14 patients were closed directly and the defects in the left 31 patients were resurfaced with free full-thickness skin graft from the proximal medial forearm., Results: All the flaps survived after operation. Two cases of the PPF based on DA and 1 case of the PPF based on DMA underwent partially blisters at the distal end and healed after dressing change. The incisions in the donor site healed by first intention and the skin grafts survived. All patients were followed up 10-33 months, with a mean of 15.4 months. At last follow-up, the static two-point discrimination of the PPFs based on DA and DMA were 4-14 mm and 8-20 mm with the averages of 8.1 mm and 13.3 mm, respectively. According to the Michigan Hand Outcomes Questionnaire, 20 patients were very satisfied with the appearance of the PPF based on DA and 8 patients were satisfied; 8 patients were very satisfied with the appearance of the PPF based on DMA and 9 patients were satisfied. Based on the Vancouver Scar Scale (VSS), the appearance scores of the donor site of the PPFs based on DA and DMA were 2-7 and 4-9, with the averages of 4.2 and 6.1, respectively., Conclusion: The two kinds of PPFs are reliable in blood supply and easy to harvest, which provide a good method for emergency repair of small and medium area wounds in the hand.
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- 2024
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21. Grip and pinch strength prediction models based on hand anthropometric parameters: an analytic cross-sectional study.
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Sayadizadeh M, Daliri M, Rahimi M, Salehipour P, Sadeghi M, Mozafari JK, and Moradi A
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- Humans, Male, Female, Middle Aged, Adult, Cross-Sectional Studies, Hand physiology, Hand anatomy & histology, Neural Networks, Computer, Predictive Value of Tests, Iran, Hand Strength physiology, Pinch Strength physiology, Anthropometry
- Abstract
Background: Hand grip strength (HGS) and pinch strength are important clinical measures for assessing the hand and overall health., Objective: The aim of the present study is to predict HGS and pinch strength based on 1 hand anthropometry, and (2) body anthropometric parameters using machine learning., Methods: A Secondary analysis was conducted on 542 participant aged 30-60 years from the Persian Organizational Cohort study in Mashhad University of Medical Sciences. Artificial Neural Network (ANN) were fitted as prediction model. The dataset was divided into two sets: a training set, which comprised 70% of the data, and a test set, which comprised 30% of the data. Various combinations of the hand anthropometric, demographic, and body anthropometric parameters were used to determine the most accurate model., Results: The optimal HGS model, using the input of gender, body mass, and hand anthropometric parameters of length (both total length and palm), maximum width, maximum breadth, and hand shape index, achieved nearly equal accuracy to the model that incorporated all variables (RMSE = 5.23, Adjusted R
2 = 0.67). As for pinch strength, gender, hand length (both total length and palm), maximum width, maximum breadth, hand shape index, hand span, and middle finger length came closest to the model incorporating all variables (RMSE = 1.20, Adjusted R2 = 0.52)., Conclusion: This ANN model showed that hand anthropometric parameters of total length, palm length, maximum width, maximum breadth, and the hand shape index, emerge as optimal predictors for both HGS and HPS. Body anthropometric factors (e.g., body mass) play roles as predictors for HGS, whereas their influence on pinch strength appears to be less pronounced., Level of Evidence: Level III (Diagnosis)., Trial Registration: Not applicable., (© 2024. The Author(s).)- Published
- 2024
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22. The state of hand rub dispensers in healthcare settings - a multicenter assessment in 19 German healthcare facilities.
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Herzer C, Berg T, Hegemann C, Gebhardt T, Niesalla H, and Senges C
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- Humans, Germany, Hand Hygiene methods, Infection Control methods, Health Personnel, Health Facilities, Hand Disinfection methods, Cross Infection prevention & control
- Abstract
Background: Hand hygiene is one of the most important hygiene measures to prevent healthcare-associated infections. Well-functioning hand rub dispensers are the foundation of hand hygiene but are often overlooked in research. As the point of origin for hand hygiene, dispensers not only promote compliance through ease of use, but also strongly influence the amount of hand rub used per disinfection. This work investigates how dispenser types and conditions affect dispensed volumes and usability., Methods: Data from 5,014 wall-mounted or point-of-care dispensers was collected from 19 German healthcare facilities during installation of an electronic hand hygiene monitoring system, including dispenser type and dispensed hand rub volumes. Of these dispensers, 56.2% were metal dispensers, and the majority (89.5%) were wall-mounted. For one hospital, 946 wall-mounted dispensers were analyzed in detail regarding pump material, damages, functionality, cleanliness, and filling levels., Results: Dispensed volumes varied across and within dispenser types, ranging from 0.4 mL to 4.4 mL per full actuation, with the largest volumes generally dispensed by plastic dispensers with a preset of 1.0 to 3.0 mL per actuation. In general, most dispensers dispense more hand rub per full actuation than specified by the manufacturer. When different types of dispensers are used within a healthcare facility, vastly different volumes can be dispensed, making reliable and reproducible disinfection difficult for healthcare workers. In the detailed analysis of 946 dispensers, 27.1% had cosmetic defects, reduced performance, or were unusable, with empty disinfectant being the most common reason. Only 19.7% of working dispensers delivered their maximum volume on the first full actuation., Conclusion: Even though several studies addressed the variability in dispensed volumes of hand hygiene dispensers, studies dealing with dispenser types and functionality are lacking, promoting the common but false assumption that different dispensers may be equivalent and interchangeable. Variability in dispensed volumes, coupled with frequent dispenser defects and maintenance issues, can be a major barrier to hand hygiene compliance. To support healthcare workers, more attention should be paid to 'dispenser compliance', selecting dispensers with similar volume ranges and proper maintenance., (© 2024. The Author(s).)
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- 2024
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23. The Use of the Symani Surgical System® in Emergency Hand Trauma Care.
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Dastagir N, Obed D, Tamulevicius M, Dastagir K, and Vogt PM
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- Humans, Female, Male, Adult, Robotic Surgical Procedures methods, Robotic Surgical Procedures instrumentation, Middle Aged, Anastomosis, Surgical methods, Hand surgery, Hand blood supply, Microsurgery methods, Microsurgery instrumentation, Hand Injuries surgery
- Abstract
Background: The use of robotic systems for microsurgery has gained popularity in recent years. Despite its drawbacks, such as increased learning time and lack of haptic feedback, robot-assisted microsurgery is beneficial for emergency care due to its reduced risk of tremor and fatigue. The Symani Surgical System® is 1 example of this advanced technology. The device offers a range of possibilities in the field of microsurgery by combining precision and dexterity, revolutionizing microsurgical procedures. This article explores the applications of the Symani in microsurgical procedures in emergency hand trauma care, highlighting its advantages and limitations. Material and Methods: We present the results of 62 anastomoses of blood vessels under .8 mm diameter after hand trauma. 31 anastomoses were conducted using the Symani Surgical System®, and the other 31 were done as a control group in hand-sewn technique. Study Sample: The patient characteristics, including sex, age, and risk factors, were matched. Results: We found no significant differences in the anastomosis surgery length when performed with the Symani (arterial 17.3 ± 1.9 min; venous 11.5 ± 1.3 min) vs the hand-sewn technique (arterial 16.1 ± 1.4 min; venous 10.2 ± 1.8 min). Additionally, the learning curve consistently decreased over time, with the 10th surgery taking 30% (arterial) less time. Conclusion: Our study indicates that robot-assisted microsurgery can help surgeons maintain a relaxed and focused state while producing results comparable to hand-sutured procedures in emergency care., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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- 2024
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24. Pressure Sensors for Evaluating Hand Grasp and Pinch.
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Bergeron V and Kajganic P
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- Humans, Hand physiology, Pinch Strength physiology, Muscle Strength Dynamometer, Equipment Design, Hand Strength physiology, Pressure
- Abstract
This study addresses the need for highly sensitive tools to evaluate hand strength, particularly grasp and pinch strength, which are vital for diagnosing and rehabilitating conditions affecting hand function. Current devices like the Jamar dynamometer and Martin Vigorimeter, although reliable, fail to measure extremely low force or pressure values required for individuals with severe hand impairments. This research introduces a novel device, a modified Martin Vigorimeter, utilizing an ultra-soft latex chamber and differential pressure measurement to detect minute pressure changes, thus significantly enhancing sensitivity. The device offers a cost-effective solution, making advanced hand strength evaluation more accessible for clinical and research applications. Future research should validate its accuracy across diverse populations and settings, exploring its broader implications for hand rehabilitation and occupational health.
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- 2024
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25. [Cutaneous adverse events to systemic anticancer therapies : Hand-foot syndrome and nail changes].
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Ugurel S, Pföhler C, and Gutzmer R
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- Humans, Practice Guidelines as Topic, Drug Eruptions etiology, Drug Eruptions pathology, Drug Eruptions therapy, Neoplasms drug therapy, Hand-Foot Syndrome etiology, Antineoplastic Agents adverse effects, Nail Diseases chemically induced, Nail Diseases pathology, Nail Diseases therapy
- Abstract
Background: Hand-foot syndrome (HFS) and nail changes are frequent adverse events of anticancer therapies., Objectives: To provide a review of current evidence in HFS and nail disorders associated with medical tumor treatment., Materials and Methods: Basis is the current German S3 guideline "Supportive therapy in oncologic patients" and literature on this topic published since the guideline was finalized., Results: Two variants of HFS are distinguished: a chemotherapy-associated and a kinase-inhibitor-associated variant. In the first form, painful erythema, blisters and ulceration can occur, also in other areas with a high number of sweat glands such as axillary and inguinal regions. Thus, the secretion of toxic substances through sweat glands is a proposed pathogenetic mechanism. For the second form, which results in callus-like painful thickening of the horny layer on areas of mechanic pressure, a vascular mechanism is proposed. For prophylaxis of HFS, avoidance of mechanical stress, regular cleaning of predisposed areas, and also urea- and diclofenac-containing ointments are recommended; in case of infusions (taxanes, doxorubicine), cooling of hands and feet during infusion is recommended. In case of manifest HFS, dose reduction or prolongation of intervals of the associated treatment are recommended. Nail changes often develop under therapy with chemotherapeutic agents but also under treatment with agents such as checkpoint inhibitors or under targeted therapy. Different components of the nail unit may be involved such as the nail matrix, nail bed, nail plate, hyponychium, lunula and proximal and lateral nail folds., Conclusion: This work gives insight into the pathophysiology of HFS and nail disorders that develop under systemic oncologic treatments and gives recommendations for prophylaxis and treatment., (© 2024. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)
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- 2024
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26. Buddhas Hand und Engelwurz: Chinesische Arzneimitteltherapie (CAT) am Zürichsee, Schweiz
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Moldenhauer, Sonja
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- 2024
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27. A hand-in-hand phenomenon in older adults: Increased risk of frailty in geriatric outpatients associated with handgrip strength asymmetry and weakness.
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Güner M, Ceylan S, Okyar Baş A, Koca M, Öztürk Y, Doğu BB, Hali L MG, Cankurtaran M, and Balci C
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- Humans, Female, Aged, Male, Cross-Sectional Studies, Aged, 80 and over, Outpatients statistics & numerical data, Hand physiopathology, Risk Factors, Hand Strength physiology, Frailty physiopathology, Frailty diagnosis, Frailty epidemiology, Geriatric Assessment methods, Geriatric Assessment statistics & numerical data, Muscle Weakness physiopathology, Frail Elderly statistics & numerical data
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Objectives: Handgrip strength (HGS) is accepted as a predictor of overall health status and a biomarker of aging, besides negative health outcomes and mortality. While differences in HGS between the dominant and non-dominant hands are expected, substantial discrepancies may signal impaired muscle function. This study aims to investigate whether handgrip asymmetry can serve as a reliable indicator of frailty in a diverse population of older adults., Design: Cross-sectional study., Setting and Participants: A total of 512 patients aged 65 years and older who were admitted to the geriatric medicine outpatient clinic of a university hospital were enrolled in the study., Methods: The Clinical Frailty Scale (CFS) was used to assess the overall level of frailty of the study population. The highest recorded HGS values from the non-dominant and dominant hand were used to calculate the HGS ratio. Those with a HGS ratio of dominant and non-dominant hand <0.90 or >1.10 were defined as HGS asymmetry., Results: Of the whole study group, 61.1% was female and the mean age was 73.2 ± 6.1 years. The ratio of the participants living with frailty was 57.6% (n = 219). The number of patients with HGS asymmetry was 264 (51.6%), and 48.4% (n = 248) of the study population had symmetric HGS. The normal and symmetric HGS was found in 40.2% of the non-frail group, whereas it was 23.7% in patients living with frailty. Furthermore, the ratio of low and asymmetric HGS was 16.3% in the non-frail group, and 35.0% in the patients living with frailty (p < 0.001). The presence of asymmetric and low HGS increased the risk of frailty three times independently of other confounding factors (OR:3.08; 95% CI:1.48-6.43; p = 0.003)., Conclusions and Implications: Identifying HGS asymmetry along with low HGS as potential indicators of frailty may provide clinicians with a clear and quantifiable criterion for assessing older patients., (Copyright © 2024 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.)
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- 2024
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28. Effects of using an active hand exoskeleton for drilling tasks: A pilot study.
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Ibrahim A, Okpala I, Nnaji C, and Akanmu A
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- Humans, Male, Pilot Projects, Adult, Hand Strength physiology, Muscle, Skeletal physiology, Young Adult, Physical Exertion physiology, Task Performance and Analysis, Construction Industry instrumentation, Electromyography, Exoskeleton Device, Hand physiology
- Abstract
Introduction: Several studies have assessed and validated the impact of exoskeletons on back and shoulder muscle activation; however, limited research has explored the role that exoskeletons could play in mitigating lower arm-related disorders. This study assessed the impact of Ironhand, an active hand exoskeleton (H-EXO) designed to reduce grip force exertion, on worker exertion levels using a two-phase experimental design., Method: Ten male participants performed a controlled, simulated drilling activity, while three male participants completed an uncontrolled concrete demolition activity. The impact of the exoskeleton was assessed in terms of muscle activity across three different muscles using electromyography (EMG), perceived exertion, and perceived effectiveness., Results: Results indicate that peak muscle activation decreased across the target muscle group when the H-EXO was used, with the greatest reduction (27%) observed in the Extensor Carpi Radialis (ECR). Using the exoskeleton in controlled conditions did not significantly influence perceived exertion levels. Users indicated that the H-EXO was a valuable technology and expressed willingness to use it for future tasks., Practical Applications: This study showcases how glove-based exoskeletons can potentially reduce wrist-related disorders, thereby improving safety and productivity among workers. Future work should assess the impact of the H-EXO in various tasks, different work environments and configurations, and among diverse user groups., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 National Safety Council and Elsevier Ltd. All rights reserved.)
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- 2024
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29. Reduction in diarrhea cases following implementation of COVID-19 hand hygiene interventions in Ghana: A causal impact analysis.
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Adu GA, Amegah KE, Addo HO, Andoh T, Duvor F, Antwi G, Peprah NY, Kenu E, Bekoe FA, and Malm KL
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- Humans, Ghana epidemiology, SARS-CoV-2 isolation & purification, Hand Disinfection, Pandemics prevention & control, COVID-19 prevention & control, COVID-19 epidemiology, Diarrhea prevention & control, Diarrhea epidemiology, Diarrhea virology, Hand Hygiene methods, Hand Hygiene standards
- Abstract
Background: The human hand has constant contact with the environment, hence requires regular hand hygiene. Hand hygiene has gained recognition because of the COVID-19 pandemic and is a largely effective, affordable preventive measure against infectious diseases. This study used both national and sub-national analyses to evaluate the effect of COVID-19 handwashing guidelines on instances of diarrhea in Ghana., Methods: Data on diarrhea cases spanning February 2018 and March 2022 were retrieved from the District Health Information Management System (DHIMS 2) using a data extraction guide. The data were summarized using descriptive statistics. The difference in diarrhea cases between the pre-COVID-19 and COVID-19 periods was measured using a two-sample t-test across Ghana's 16 administrative areas. Causal Impact package in R statistical software was employed to determine the impact of the introduction of COVID-19 hand hygiene protocols on diarrheal disease., Results: A total of 5,645,533 diarrheal cases reported between February 2018 and March 2022 through the routine MIS (DHIMS2) were examined. Fifty-three percent of the cases occurred before the introduction of the hand hygiene protocol. Descriptive statistics indicated a statistically significant decrease in average diarrheal cases during the hand hygiene implementation era (13,463 cases reduction, p<0.001). Sub-national analyses revealed significant reductions in various regions: Greater Accra, Ashanti, Ahafo, Central, Eastern, Northern, Upper East, Upper West, and Volta (p<0.05). Causal impact analysis confirmed 11.0% nationwide reduction in diarrheal cases attributed to the COVID-19 hand hygiene protocols (p<0.001)., Conclusion: This study underscores the effectiveness of COVID-19 hand hygiene protocols in reducing diarrheal morbidity in Ghana, with varying regional impacts. These findings advocate for the sustenance of investments and commitments made at the COVID hand hygiene protocols, particularly in this era where the pandemic appears controlled., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2024 Adu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2024
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30. Carpal tunnel syndrome and occupational hand exposures: a Danish nationwide cohort study.
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Tabatabaeifar S and Dalbøge A
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- Humans, Denmark epidemiology, Male, Female, Adult, Middle Aged, Cohort Studies, Sex Factors, Logistic Models, Risk Factors, Registries, Vibration adverse effects, Cumulative Trauma Disorders epidemiology, Cumulative Trauma Disorders etiology, Posture, Hand-Arm Vibration Syndrome epidemiology, Hand-Arm Vibration Syndrome etiology, Aged, Carpal Tunnel Syndrome epidemiology, Carpal Tunnel Syndrome etiology, Occupational Exposure adverse effects, Occupational Exposure statistics & numerical data, Occupational Diseases epidemiology, Occupational Diseases etiology, Hand
- Abstract
Objectives: The aim was to examine exposure-response relations between occupational hand exposures and carpal tunnel syndrome (CTS) and to compare the relation between surgery-treated and non-surgery-treated CTS. The secondary aim was to study sex-specific differences in exposure-response relations., Methods: We conducted a nationwide register-based cohort study of all persons born in Denmark (1945-1994). During follow-up (2010-2013), we identified first-time events of CTS. Occupational hand exposure estimates the year before each follow-up year were obtained by linking individual occupational codes with a job exposure matrix. We used multivariable logistic regression equivalent to discrete survival analysis based on sex and surgery. The excess fraction of cases was calculated., Results: For both sexes, exposure-response relations were found for all occupational hand exposures. Among men, we found OR
adj of 3.6 (95% CI 3.2 to 3.8) for hand-related force, 2.9 (95% CI 2.5 to 3.2) for repetitive hand movements, 3.8 (95% CI 2.7 to 5.2) for non-neutral hand posture and 2.5 (95% CI 2.2 to 2.7) for hand-arm vibration in the highest exposure groups. For combined exposure (hand load), ORadj was 3.5 (95% CI 3.1 to 4.0). Slightly higher ORsadj were generally found for surgery-treated CTS compared with non-surgery-treated CTS for both sexes. When comparing sex, somewhat higher ORsadj were found among men. The excess fraction was 42%., Conclusions: Occupational hand exposures carried a 3-5-fold increased risk of CTS with slightly higher risks for surgery-treated compared with non-surgery-treated CTS. Even though CTS occurs more frequently among women, somewhat higher exposure-response relations were found for men compared with women. In the general working population, a substantial fraction of first-time CTS could be related to occupational hand exposures., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)- Published
- 2024
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31. Task-Oriented Training by a Personalized Electromyography-Driven Soft Robotic Hand in Chronic Stroke: A Randomized Controlled Trial.
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Shi XQ, Ti CE, Lu HY, Hu CP, Xie DS, Yuan K, Heung HL, Leung TW, Li Z, and Tong RK
- Subjects
- Humans, Male, Female, Middle Aged, Single-Blind Method, Aged, Stroke physiopathology, Stroke complications, Exercise Therapy methods, Chronic Disease, Adult, Outcome Assessment, Health Care, Hand Strength physiology, Range of Motion, Articular physiology, Stroke Rehabilitation methods, Stroke Rehabilitation instrumentation, Electromyography, Robotics, Hand physiopathology
- Abstract
Background: Intensive task-oriented training has shown promise in enhancing distal motor function among patients with chronic stroke. A personalized electromyography (EMG)-driven soft robotic hand was developed to assist task-oriented object-manipulation training effectively. Objective. To compare the effectiveness of task-oriented training using the EMG-driven soft robotic hand., Methods: A single-blinded, randomized controlled trial was conducted with 34 chronic stroke survivors. The subjects were randomly assigned to the Hand Task (HT) group (n = 17) or the control (CON) group (n = 17). The HT group received 45 minutes of task-oriented training by manipulating small objects with the robotic hand for 20 sessions, while the CON group received 45 minutes of hand-functional exercises without objects using the same robot. Fugl-Meyer assessment (FMA-UE), Action Research Arm Test (ARAT), Modified Ashworth Score (MAS), Box and Block test (BBT), Maximum Grip Strength, and active range of motion (AROM) of fingers were assessed at baseline, after intervention, and 3 months follow-up. The muscle co-contraction index (CI) was analyzed to evaluate the session-by-session variation of upper limb EMG patterns., Results: The HT group showed more significant improvement in FMA-UE (wrist/hand, shoulder/elbow) compared to the CON group ( P < .05). At 3-month follow-up, the HT group demonstrated significant improvements in FMA-UE, ARAT, BBT, MAS (finger), and AROMs ( P < .05). The HT group exhibited a more significant decrease in muscle co-contractions compared to the CON group ( P < .05)., Conclusions: EMG-driven task-oriented training with the personalized soft robotic hand was a practical approach to improving motor function and muscle coordination., Clinical Trial Registry Name: Soft Robotic Hand System for Stroke Rehabilitation., Clinical Trial Registration-Url: https://clinicaltrials.gov/., Unique Identifier: NCT03286309., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: The university encourages knowledge transfer activities, and this robotic hand was licensed by the spin-off company (Hopebotics Limited, Hong Kong SAR, China) in 2021. The authors make every effort to ensure the impartiality, integrity, and scientific rigor of this study. The interpretation of the results and reporting of the findings were conducted objectively and without bias.
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- 2024
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32. Congenital and Traumatic Conditions of the Pediatric Hand: Overview for the Radiologist.
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Kan JH, Barron OA, and Bell BR
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- Humans, Child, Hand diagnostic imaging, Hand Deformities, Congenital diagnostic imaging, Hand Injuries diagnostic imaging
- Abstract
Alignment, longitudinal growth, and function of the musculoskeletal unit of the pediatric hand is complex due to the combination of open growth plates, ossification variations, and their relationship with finger tendinous and ligamentous attachments. This review presents the basics of normal development, acquired and congenital variations, and traumatic conditions of the pediatric hand from the perspective of the pediatric musculoskeletal radiologist and hand surgeon. This multimodality imaging article focuses on non-oncologic and non-rheumatologic conditions of the pediatric hand, inclusive of fingers, thumb, and metacarpal bones., Competing Interests: None declared., (Thieme. All rights reserved.)
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- 2024
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33. Endoskeleton Soft Multi-Fingered Hand with Variable Stiffness.
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Pan D, Yan P, Li Y, Huang H, Li B, and Liu H
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- Humans, Hand physiology, Equipment Design, Robotics instrumentation, Biomechanical Phenomena physiology, Fingers physiology, Hand Strength physiology
- Abstract
The use of a soft multi-fingered hand in handling fragile objects has been widely acknowledged. Nevertheless, high flexibility often results in decreased load capacity, necessitating the need for variable stiffness. This article introduces a new soft multi-fingered hand featuring variable stiffness. The finger of the hand has three chambers and an endoskeleton mechanism. Two chambers facilitate bending and swinging motions, whereas the third adjusts stiffness. An endoskeleton mechanism is embedded in the third chamber, and the friction between its moving parts increases as negative air pressure rises, causing the finger's stiffness to increase. This mechanism can alter its stiffness in any configuration, which is particularly useful in manipulating irregular-shaped fragile objects post-grasping. The effectiveness of the proposed soft multi-fingered hand is validated through five experiments: stiffness adjustment, finger stiffening under a specific orientation, bulb screwing, heavy object lifting, and bean curd grasping. The results demonstrate that the proposed soft multi-fingered hand exhibits robust grasping capabilities for various fragile objects.
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- 2024
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34. Umweltverhalten mit Hand und Fuss(-abdruck)
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Ernst, Andreas
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- 2024
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35. A Sensorized Soft Robotic Hand with Adhesive Fingertips for Multimode Grasping and Manipulation.
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Park W, Park S, An H, Seong M, Bae J, and Jeong HE
- Subjects
- Humans, Hand physiology, Adhesives chemistry, Robotics instrumentation, Fingers physiology, Hand Strength physiology, Equipment Design
- Abstract
Soft robotic grippers excel at achieving conformal and reliable contact with objects without the need for complex control algorithms. However, they still lack in grasp and manipulation abilities compared with human hands. In this study, we present a sensorized multi-fingered soft gripper with bioinspired adhesive fingertips that can provide both fingertip-based adhesion grasping and finger-based form closure grasping modes. The gripper incorporates mushroom-like microstructures on its adhesive fingertips, enabling robust adhesion through uniform load shearing. A single fingertip exhibits a maximum load capacity of 4.18 N against a flat substrate. The soft fingers have multiple joints, and each joint can be independently actuated through pneumatic control. This enables diverse bending motions and stable grasping of various objects, with a maximum load capacity of 28.29 N for three fingers. In addition, the soft gripper is equipped with a kirigami-patterned stretchable sensor for motion monitoring and control. We demonstrate the effectiveness of our design by successfully grasping and manipulating a diverse range of objects with varying shapes, sizes, and curvatures. Moreover, we present the practical application of our sensorized soft gripper for remotely controlled cooking.
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- 2024
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36. Water, soap, and hand-disinfectant exposure during the COVID-19 pandemic and self-reported hand eczema in frontline workers: A cross-sectional study.
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Vilela L, Lagrelius M, Berglind IA, Midander K, Schenk L, and Julander A
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- Humans, Cross-Sectional Studies, Male, Female, Adult, Middle Aged, Water, Occupational Exposure adverse effects, Health Personnel statistics & numerical data, SARS-CoV-2, Disinfectants adverse effects, Surveys and Questionnaires, Hand Hygiene, COVID-19 prevention & control, COVID-19 epidemiology, Soaps adverse effects, Hand Dermatoses epidemiology, Hand Dermatoses etiology, Hand Disinfection, Dermatitis, Occupational epidemiology, Dermatitis, Occupational etiology, Eczema epidemiology, Self Report
- Abstract
Background: During the COVID-19 pandemic, increased hand hygiene practices were implemented. Impaired skin health on the hands among healthcare workers has been reported previously. Knowledge of how worker in other occupations have been affected is scarce., Objectives: To investigate self-reported hand water-, and soap exposure and use of hand disinfectants, and hand eczema (HE) in frontline workers outside the hospital setting and in IT personnel during the COVID-19 pandemic., Methods: In this cross-sectional study, a questionnaire was sent out between 1 March and 30 April in 2021, to 6060 randomly selected individuals representing six occupational groups., Results: A significant increase in water exposure and hand disinfectant use was shown: Relative position (RP) 19; 95% confidence interval (CI) 0.17-0.21 and RP = 0.38: 95% CI 0.36-0.41, respectively. Newly debuted HE was reported by 7.4% of the population, more frequently among frontline workers (8.6%) compared to IT personnel (4.9%)., Conclusions: Water and soap exposure and use of hand disinfectants increased during COVID-19 pandemic, which may increase the risk of hand eczema. This highlights the importance of communication and implementation of preventive measures to protect the skin barrier also in occupations other than healthcare workers., (© 2024 The Authors. Contact Dermatitis published by John Wiley & Sons Ltd.)
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- 2024
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37. Effect of task-oriented training assisted by force feedback hand rehabilitation robot on finger grasping function in stroke patients with hemiplegia: a randomised controlled trial.
- Author
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Li Y, Lian Y, Chen X, Zhang H, Xu G, Duan H, Xie X, and Li Z
- Subjects
- Humans, Male, Female, Middle Aged, Aged, Single-Blind Method, Stroke complications, Stroke physiopathology, Fingers physiology, Fingers physiopathology, Hand physiopathology, Adult, Feedback, Sensory physiology, Treatment Outcome, Recovery of Function, Stroke Rehabilitation methods, Stroke Rehabilitation instrumentation, Robotics instrumentation, Hand Strength physiology, Hemiplegia rehabilitation, Hemiplegia physiopathology, Hemiplegia etiology
- Abstract
Background: Over 80% of patients with stroke experience finger grasping dysfunction, affecting independence in activities of daily living and quality of life. In routine training, task-oriented training is usually used for functional hand training, which may improve finger grasping performance after stroke, while augmented therapy may lead to a better treatment outcome. As a new technology-supported training, the hand rehabilitation robot provides opportunities to improve the therapeutic effect by increasing the training intensity. However, most hand rehabilitation robots commonly applied in clinics are based on a passive training mode and lack the sensory feedback function of fingers, which is not conducive to patients completing more accurate grasping movements. A force feedback hand rehabilitation robot can compensate for these defects. However, its clinical efficacy in patients with stroke remains unknown. This study aimed to investigate the effectiveness and added value of a force feedback hand rehabilitation robot combined with task-oriented training in stroke patients with hemiplegia., Methods: In this single-blinded randomised controlled trial, 44 stroke patients with hemiplegia were randomly divided into experimental (n = 22) and control (n = 22) groups. Both groups received 40 min/day of conventional upper limb rehabilitation training. The experimental group received 20 min/day of task-oriented training assisted by a force feedback rehabilitation robot, and the control group received 20 min/day of task-oriented training assisted by therapists. Training was provided for 4 weeks, 5 times/week. The Fugl-Meyer motor function assessment of the hand part (FMA-Hand), Action Research Arm Test (ARAT), grip strength, Modified Ashworth scale (MAS), range of motion (ROM), Brunnstrom recovery stages of the hand (BRS-H), and Barthel index (BI) were used to evaluate the effect of two groups before and after treatment., Results: Intra-group comparison: In both groups, the FMA-Hand, ARAT, grip strength, AROM, BRS-H, and BI scores after 4 weeks of treatment were significantly higher than those before treatment (p < 0.05), whereas there was no significant difference in finger flexor MAS scores before and after treatment (p > 0.05). Inter-group comparison: After 4 weeks of treatment, the experimental group's FMA-Hand total score, ARAT, grip strength, and AROM were significantly better than those of the control group (p < 0.05). However, there were no statistically significant differences in the scores of each sub-item of the FMA-Hand after Bonferroni correction (p > 0.007). In addition, there were no statistically significant differences in MAS, BRS-H, and BI scores (p > 0.05)., Conclusion: Hand performance improved in patients with stroke after 4 weeks of task-oriented training. The use of a force feedback hand rehabilitation robot to support task-oriented training showed additional value over conventional task-oriented training in stroke patients with hand dysfunction., Clinical Trial Registration Information: NCT05841108., (© 2024. The Author(s).)
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- 2024
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38. In vitro assessment and comparison of quality of alcohol-based hand rubs, pre- and peri-COVID-19 pandemic outbreak in Kenya.
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Omari S, Ng'ong'a F, and Kimotho J
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- Kenya epidemiology, Humans, Disease Outbreaks prevention & control, Hand Disinfection methods, Hand Disinfection standards, Ethanol, Alcohols, COVID-19 epidemiology, COVID-19 prevention & control, SARS-CoV-2, Pandemics, Hand Sanitizers
- Abstract
Background: In the wake of the coronavirus disease 2019 (COVID-19) pandemic, the World Health Organization recommended the use of alcohol-based hand rubs (ABHRs) to curb transmission, leading to increased production and use. This has posed a danger of production and use of poor-quality ABHRs., Methods: This study assessed and compared the quality of ABHRs in the Kenyan market that were produced before and after the outbreak of the COVID-19 pandemic in March 2020. Quality testing was carried out against European EN 1500:2013 and Kenyan EAS 789:2013 Standards and 20 samples analyzed for alcohol content by GC-FID., Results: The study found that 27.8% of the peri-COVID-19 pandemic sanitizers had less than 90% bactericidal reduction activity as compared to 12.5% manufactured pre-COVID-19 pandemic. Only 25% peri-COVID-19 pandemic ABHRs met the EAS 789:2013 acceptable limit of over 60% alcohol content. Product adulteration with methanol was found in 20 % of the samples with only 5% complying with FDA approval limit of <0.063% v/v methanol. Study found no correlation between the total alcohol content and the efficacy of ABHRs., Conclusions: The study found that more substandard products were produced during the pandemic. This raises a concern about possible emergence of alcohol resistant strains of microorganisms. The study therefore recommends an adequate quality monitoring system to curb against substandard products., Competing Interests: No competing interests were disclosed., (Copyright: © 2024 Omari S et al.)
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- 2024
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39. Impact of different hand-drying methods on surrounding environment: aerosolization of virus and bacteria, and transfer to surfaces.
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Hervé RC, Bryant C, Sutton L, Cox C, Gião MS, Keevil CW, and Wilks SA
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- Humans, Hand Disinfection methods, Bacteria isolation & purification, Desiccation methods, Hand Hygiene methods, COVID-19, Viruses isolation & purification, Environmental Microbiology, Hand microbiology, Hand virology, Levivirus, Pseudomonas fluorescens virology, Aerosols
- Abstract
Background: In recent years, hand drying has been highlighted as a key step in appropriate hand hygiene, as moisture on hands can increase the transfer of micro-organisms from hands to surfaces and vice versa., Aim: To understand bacterial and viral aerosolization following hand drying, and study the transfer of micro-organisms from hands to surfaces after drying using different methods., Methods: Groups of five volunteers had their hands pre-washed with soap, rinsed and dried, then inoculated with a concentrated mixture of Pseudomonas fluorescens and MS2 bacteriophage. Volunteers entered an empty washroom, one at a time, and rinsed their hands with water or washed their hands with soap prior to drying with a jet dryer or paper towels. Each volunteer applied one hand successively to various surfaces, while their other hand was sampled using the glove juice method. Both residual bacteria and viruses were quantified from the washroom air, surface swabs and hand samples., Findings: P. fluorescens and MS2 bacteriophages were rarely aerosolized while drying hands for any of the drying methods studied. Results also showed limited, and similar, transfer of both micro-organisms studied on to surfaces for all drying methods., Conclusion: The use of jet dryers or paper towels produces low levels of aerosolization when drying hands in a washroom. Similarly, all drying methods result in low transfer to surfaces. While the coronavirus disease 2019 pandemic raised concerns regarding public washrooms, this study shows that all methods tested are hygienic solutions for dry washed hands., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
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- 2024
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40. Hand hygiene compliance in nursing home wards: the effect of increased accessibility of alcohol-based hand rub.
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Iversen AM, Hansen MB, Münster M, Kristensen B, and Ellermann-Eriksen S
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- Humans, Denmark, Infection Control methods, Infection Control standards, Female, Male, Cross Infection prevention & control, Hand Disinfection methods, Hand Disinfection standards, Hand Sanitizers administration & dosage, Aged, Nursing Homes, Guideline Adherence statistics & numerical data, Health Personnel statistics & numerical data, Hand Hygiene methods, Hand Hygiene statistics & numerical data, Hand Hygiene standards, Alcohols administration & dosage
- Abstract
Background: Elderly nursing home residents are vulnerable to infection from micro-organisms. Hand hygiene is considered one of the most important measures to prevent transmission., Aim: To determine the effect of increased accessibility to alcohol-based hand rub (ABHR) in nursing home wards by monitoring hand hygiene compliance (HHC) among healthcare workers (HCWs)., Methods: An 11-month intervention study was conducted in a Danish six-ward nursing home. Data were collected using an automatic hand hygiene monitoring system (AHHMS). After a baseline period, one extra ABHR dispenser was placed in each of the 150 apartments. Baseline HHC was compared with the HHC during an immediate intervention period and a long-term intervention period., Findings: A total of 159 HCWs were included. The AHHMS registered 341,078 hand hygiene opportunities. Overall baseline HHC was 31% (95% confidence interval: 30-32). A significant +18% absolute immediate effect (first five months) (95% CI: 17-19; P < 0.0001) and +13 percentage points (95% CI: 11-14; P < 0.0001) long-term effect (another four months) were recorded. HCWs working day shifts and short-term employees had a higher baseline HHC than HCWs working evening/night shifts. However, HCWs working night shifts achieved the greatest long-term effect with a mean +27 percentage point difference (P < 0.0001)., Conclusion: Placing an additional ABHR dispenser strategically within staff workflow significantly increased HHC among HCWs, demonstrating a noteworthy effect. The study is the first to report the effect on nursing home dispenser accessibility as a single intervention and to show a significant unmet potential., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
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- 2024
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41. Enhancing 3D hand pose estimation using SHaF: synthetic hand dataset including a forearm
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Lee, Jeongho, Kim, Jaeyun, Kim, Seon Ho, and Choi, Sang-Il
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- 2024
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42. How to use one surface electromyography sensor to recognize six hand movements for a mechanical hand in real time: a method based on Morse code
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Xiao, Feiyun, Mu, Jingsong, He, Liangguo, and Wang, Yong
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- 2024
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43. The Hand KISS Protocol: Clinical Application of Smartphone in the Early Management of Hand Trauma
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Schettino, Michela, Diluiso, Giuseppe, Losco, Luigi, Bolletta, Alberto, and Cigna, Emanuele
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- 2024
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44. Healthy adults favor stable left/right hand choices over performance at an unconstrained reach-to-grasp task.
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Kim T, Zhou R, Gassass S, Soberano T, Liu L, and Philip BA
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- Humans, Male, Adult, Female, Young Adult, Hand physiology, Psychomotor Performance physiology, Functional Laterality physiology, Hand Strength physiology, Choice Behavior physiology
- Abstract
Reach-to-grasp actions are fundamental to the daily activities of human life, but few methods exist to assess individuals' reaching and grasping actions in unconstrained environments. The Block Building Task (BBT) provides an opportunity to directly observe and quantify these actions, including left/right hand choices. Here we sought to investigate the motor and non-motor causes of left/right hand choices, and optimize the design of the BBT, by manipulating motor and non-motor difficulty in the BBT's unconstrained reach-to-grasp task. We hypothesized that greater motor and non-motor (e.g. cognitive/perceptual) difficulty would drive increased usage of the dominant hand. To test this hypothesis, we modulated block size (large vs. small) to influence motor difficulty, and model complexity (10 vs. 5 blocks per model) to influence non-motor difficulty, in healthy adults (n = 57). Our data revealed that increased motor and non-motor difficulty led to lower task performance (slower task speed), but participants only increased use of their dominant hand only under the most difficult combination of conditions: in other words, participants allowed their performance to degrade before changing hand choices, even though participants were instructed only to optimize performance. These results demonstrate that hand choices during reach-to grasp actions are more stable than motor performance in healthy right-handed adults, but tasks with multifaceted difficulties can drive individuals to rely more on their dominant hand., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2024
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45. Impacts of intelligent monitoring technology installation and additional modalities on hand hygiene compliance in a burn center: A quasi-experimental longitudinal trial.
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Gurbuz K, Das K, Demir M, Suntur BM, Ozlu O, Basaran A, Cil MK, and Golbol A
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- Humans, Longitudinal Studies, Burns therapy, Health Personnel, Hand Disinfection methods, Hand Disinfection standards, Guideline Adherence statistics & numerical data, Hand Hygiene standards, Hand Hygiene methods, Burn Units
- Abstract
Background: The increasing development of intelligent technologies for hand hygiene (HH) compliance audit has the potential to create an alternative to direct observation (DO), which is still considered the gold standard but has disadvantages such as lack of standardized monitoring practices, Hawthorne effect, insufficient sample size, and time/resource consumption. We aimed to share our preliminary results on the impacts of intelligent monitoring technology installation (IMTI) and additional modalities on healthcare workers' (HCWs') HH compliance in a Burn Center, according to the "5 Moments of HH" concept defined by the World Health Organization (WHO)., Methods: A quasi-experimental longitudinal trial was conducted over eleven months.The first phase of the three-stage study evaluated basic HH compliances obtained by DO. The system-defined HH performances, which IMTI recorded, were assessed in the second phase. Finally, the effect of IMTI and additional modalities was determined in the third stage., Results: 15202 HH events were performed by 41 HCWs, and a total of 20095 HH opportunities were observed. Four hundred fifty-five opportunities were in the preinstallation phase, and 19640 were during the total post-installation period. IMTIdefined performance rates in both Phase 2 (71.2%) and Phase 3 (80.5%) were generally considerably higher than HH compliances obtained from DO (58.5%). Nurses, physical therapy /anesthesia technicians, and housekeeping personnel showed significant increases, which was insignificant in physicians in phase 2. Meanwhile, a sustained increase was observed regarding IMTI and additional modalities of HH compliance of all HCWs in Phase 3., Conclusion: IMTI has significantly increased HH performance rates. Furthermore, combining the IMTI with additional modalities as components of a multimodal strategy recommended by WHO appears to affect the sustainability of the increasing trend of HCWs' HH compliance., Competing Interests: Declaration of Competing Interest None of the authors have any conflict of interest regarding this article., (Copyright © 2024 Elsevier Ltd and International Society of Burns Injuries. All rights reserved.)
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- 2024
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46. A coupled hand and surface hygiene criterion on heterogeneous surface touch networks.
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Xiao S, Li C, Zhao F, Lin R, Zhang N, and Li Y
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- Humans, Touch, Fomites microbiology, Hand Disinfection, Models, Theoretical, Hygiene, Disinfection methods, Hand Hygiene
- Abstract
Contaminated hands of people and contaminated surfaces of inanimate objects (fomites) can spread microbes that cause enteric and respiratory infections. Thus, hand hygiene and surface hygiene are probably the most widely adopted public health interventions for controlling such infections. However, conclusions of studies on the effectiveness of these interventions are often inconsistent, likely because such studies have examined these interventions separately and thus not detected their interactions, leading to differing conclusions about their individual impact. In this study, it is proposed that hand and environmental surface hygiene (including disinfection) should be coupled to control contamination spread between surfaces, especially within heterogeneous surface touch networks. In these networks, surfaces and individuals have varying contact frequencies and patterns, reflecting the diverse and non-uniform interactions that typically occur in real-world environments. Accordingly, we propose a new theoretical framework to delineate the relationships between hand hygiene and surface hygiene. In addition, the performance of a model based on this framework that used real-world behavioural data from a graduate student office is reported. Moreover, a coupled hygiene criterion for heterogeneous networks is derived. This criterion stipulates that the product of the pathogen-removal rates for hands and surfaces must exceed a cleaning threshold to ensure the exponential decay of contamination. Failure to meet this threshold results in a non-zero steady prevalence of contamination. Furthermore, the cleaning threshold increases as the numbers of surfaces and hands increase, highlighting the significant impact of network structures on hygiene practices. Thus, extensive cleaning may be necessary in crowded indoor environments with many surfaces and occupants, such as cruise ships, to prevent super-large outbreaks of, for example, noroviral infections. Overall, the findings of this study reveal how improved and integrated hygiene control can prevent fomite transmission., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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47. Comparison of hand grip strength and hand–arm anthropometric measures among volleyball and basketball players—a cross sectional study
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Patel, Divya J., Bhatt, Krishna, Ghevariya, Kruti, and Joshi, Pranjal
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- 2024
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48. Study on anthropomorphic hand with biological and kinematic characteristics of the human hand
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Ma, Shuai, Qin, Haoyi, Song, Jiafeng, Wang, Kejun, and Xu, Shucai
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- 2024
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49. Effectiveness of a touch-based hand therapeutic application for hand dexterity in children with handwriting difficulties-a pilot study
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Smitha, John and Renumol, V. G.
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- 2024
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50. The Bead Maze Hand Function Test for Children.
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Rose VL, Ajoy A, Johnston CA, Gogola GR, and Parikh PJ
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- Humans, Child, Cross-Sectional Studies, Child, Preschool, Male, Female, Adolescent, Reproducibility of Results, Psychometrics, Play and Playthings, Task Performance and Analysis, Age Factors, Hand Strength physiology, Motor Skills physiology, Hand physiology
- Abstract
Importance: There is a need for a pediatric hand function test that can be used to objectively assess movement quality. We have developed a toy-based test, the Bead Maze Hand Function (BMHF) test, to quantify how well a child performs an activity. This is achieved by assessing the control of forces applied while drawing a bead over wires of different complexity., Objective: To study the psychometric properties of the BMHF test and understand the influence of age and task complexity on test measures., Design: A cross-sectional, observational study performed in a single visit., Setting: Clinical research laboratory., Participants: Twenty-three participants (ages 4-15 yr) were recruited locally. They were typically developing children with no illness or conditions that affected their movement. Interventions/Assessments: Participants performed the BMHF test and the Box and Block test with both hands., Outcomes and Measures: Total force and completion time were examined according to age and task complexity using a linear mixed-effects model. We calculated intraclass correlation coefficients to measure interrater reliability of the method and estimated concurrent validity using the Box and Block test., Results: Total force and completion time decreased with age and depended on task complexity. The total force was more sensitive to task complexity. The Box and Block score was associated with BMHF completion time but not with total force. We found excellent interrater reliability., Conclusions and Relevance: A familiar toy equipped with hidden sensors provides a sensitive tool to assess a child's typical hand function. Plain-Language Summary: We developed the Bead Maze Hand Function (BMHF) test to determine how well a child performs an activity with their hands. The BMHF test is a toy equipped with hidden sensors. Twenty-three typically developing children with no illnesses or conditions that affected their hand movement participated in the study. We asked the children to perform the BMHF test with both hands. Our study found that occupational therapists can reliably use the BMHF test to assess a child's hand function., (Copyright © 2024 by the American Occupational Therapy Association, Inc.)
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- 2024
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