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Humanise : why human-centered leadership is the key to the 21st century
\"Humanise is a comprehensive look at human-centered leadership, providing insight and guidance for those who want to change the world. A deep examination of the concept of moral leadership, this book examines what it is, how it's acquired, and how it can be applied in business, government, and society. Readers will gain insight into predominant leadership styles exemplified in governments and organizations around the world, and discover the missing pieces that come together to more effectively guide people through challenges and transitions. With a focus on building a solid foundation, a strong moral compass, and deep empathy for others, this book shows you how to be a leader wherever you are, build your leadership capability, and make a positive impact on the world. Human-Centered Leaders such as Gandhi, Martin Luther King, Mother Teresa, and Mandela changed the 20th century. Learn how you can be a Human-Centered Leader who changes the 21st century.\" --Descripciâon del editor.
Biological and molecular profile of fracture non‐union tissue: A systematic review and an update on current insights
by
Panteli, Michalis
,
Pountos, Ippokratis
,
Vun, James S.H.
in
Animals
,
Biological activity
,
Bone growth
2022
Fracture non‐union represents a common complication, seen in 5%–10% of all acute fractures. Despite the enhancement in scientific understanding and treatment methods, rates of fracture non‐union remain largely unchanged over the years. This systematic review investigates the biological, molecular and genetic profiles of both (i) non‐union tissue and (ii) non–union‐related tissues, and the genetic predisposition to fracture non‐union. This is crucially important as it could facilitate earlier identification and targeted treatment of high‐risk patients, along with improving our understanding on pathophysiology of fracture non‐union. Since this is an update on our previous systematic review, we searched the literature indexed in PubMed Medline; Ovid Medline; Embase; Scopus; Google Scholar; and the Cochrane Library using Medical Subject Heading (MeSH) or Title/ words (non‐union(s), non‐union(s), human, tissue, bone morphogenic protein(s) (BMPs) and MSCs) from August 2014 (date of our previous publication) to 2 October 2021 for non‐union tissue studies, whereas no date restrictions imposed on non–union‐related tissue studies. Inclusion criteria of this systematic review are human studies investigating the characteristics and properties of non‐union tissue and non–union‐related tissues, available in full‐text English language. Limitations of this systematic review are exclusion of animal studies, the heterogeneity in the definition of non‐union and timing of tissue harvest seen in the included studies, and the search term MSC which may result in the exclusion of studies using historical terms such as ‘osteoprogenitors’ and ‘skeletal stem cells’. A total of 24 studies (non‐union tissue: n = 10; non–union‐related tissues: n = 14) met the inclusion criteria. Soft tissue interposition, bony sclerosis of fracture ends and complete obliteration of medullary canal are commonest macroscopic appearances of non‐unions. Non‐union tissue colour and surrounding fluid are two important characteristics that could be used clinically to distinguish between septic and aseptic non‐unions. Atrophic non‐unions had a predominance of endochondral bone formation and lower cellular density, when compared against hypertrophic non‐unions. Vascular tissues were present in both atrophic and hypertrophic non‐unions, with no difference in vessel density between the two. Studies have found non‐union tissue to contain biologically active MSCs with potential for osteoblastic, chondrogenic and adipogenic differentiation. Proliferative capacity of non‐union tissue MSCs was comparable to that of bone marrow MSCs. Rates of cell senescence of non‐union tissue remain inconclusive and require further investigation. There was a lower BMP expression in non‐union site and absent in the extracellular matrix, with no difference observed between atrophic and hypertrophic non‐unions. The reduced BMP‐7 gene expression and elevated levels of its inhibitors (Chordin, Noggin and Gremlin) could potentially explain impaired bone healing observed in non‐union MSCs. Expression of Dkk‐1 in osteogenic medium was higher in non‐union MSCs. Numerous genetic polymorphisms associated with fracture non‐union have been identified, with some involving the BMP and MMP pathways. Further research is required on determining the sensitivity and specificity of molecular and genetic profiling of relevant tissues as a potential screening biomarker for fracture non‐unions.
Journal Article
A people's history of the United States
\"With a new introduction by Anthony Arnove, this edition of the classic national bestseller chronicles American history from the bottom up, throwing out the official narrative taught in schools--with its emphasis on great men in high places-- to focus on the street, the home, and the workplace. Known for its lively, clear prose as well as its scholarly research, A People's History of the United States is the only volume to tell America's story from the point of view of--and in the words of--America's women, factory workers, African-Americans, Native Americans, the working poor, and immigrant laborers. As historian Howard Zinn shows, many of our country's greatest battles--the fights for a fair wage, an eight-hour workday, child-labor laws, health and safety standards, universal suffrage, women's rights, racial equality--were carried out at the grassroots level, against bloody resistance. Covering Christopher Columbus's arrival through President Clinton's first term, A People's History of the United States, which was nominated for the American Book Award in 1981, features insightful analysis of the most important events in our history.\"-- Provided by publisher
The cost of robotics: an analysis of the added costs of robotic-assisted versus laparoscopic surgery using the National Inpatient Sample
by
Howard, C Anthony
,
Jackson, Theresa N
,
Sclabas, Guido M
in
Cholecystectomy
,
Colorectal surgery
,
Costs
2019
BackgroundRobotic-assisted surgery (RAS) with its advantages continues to gain popularity among surgeons. This study analyzed the increased costs of RAS in common surgical procedures using the National Inpatient Sample.MethodsRetrospective analysis of the 2012–2014 Healthcare Cost and Utilization Project-NIS was performed for the following laparoscopic/robotic procedures: cholecystectomy, ventral hernia repair, right and left hemicolectomy, sigmoidectomy, abdominoperineal resection, and total abdominal hysterectomy (TAH). Patients with additional concurrent procedures were excluded. Costs were compared between the laparoscopic procedures and their RAS counterparts. Total costs and charges for cholecystectomy (the most common procedure in the dataset) were compared based on the payer and characteristics of hospital (region, rural/urban, bed size, and ownership).ResultsA total of 91,630 surgeries (87,965 laparoscopic, 3665 robotic) were analyzed. The average cost for the laparoscopic group was $10,227 ± $4986 versus $12,340 ± $5880 for the robotic cases (p < 0.001). The overall and percentage increases for laparoscopic versus robotic for each procedure were as follows: cholecystectomy $9618 versus $10,944 (14%), ventral hernia repair $10,739 versus $13,441 (25%), right colectomy $12,516 versus $15,027 (20%), left colectomy $14,157 versus $17,493 (24%), sigmoidectomy $13,504 versus $16,652 (23%), abdominoperineal resection $17,708 versus $19,605 (11%), and TAH $9368 versus $9923 (6%). Hysterectomy was the only procedure performed primarily using RAS and it was found to have the lowest increase in costs. Increased costs were associated with even higher increases in charges, especially in investor-owned private hospitals.ConclusionRAS is more costly when compared to conventional laparoscopic surgery. Additional costs may be lower in centers that perform a higher volume of RAS. Further analysis of long-term outcomes (including reoperations and readmissions) is needed to better compare the life-long treatment costs for both surgical approaches.
Journal Article
Patterns of muscle coordination during dynamic glenohumeral joint elevation: An EMG study
by
Kemp, Graham J.
,
Hawkes, David H.
,
Frostick, Simon P.
in
Activities of daily living
,
Adult
,
Analysis
2019
The shoulder relies heavily on coordinated muscle activity for normal function owing to its limited osseous constraint. However, previous studies have failed to examine the sophisticated interrelationship between all muscles. It is essential for these normal relationships to be defined as a basis for understanding pathology. Therefore, the primary aim of the study was to investigate shoulder inter-muscular coordination during different planes of shoulder elevation. Twenty healthy subjects were included. Electromyography was recorded from 14 shoulder girdle muscles as subjects performed shoulder flexion, scapula plane elevation, abduction and extension. Cross-correlation was used to examine the coordination between different muscles and muscle groups. Significantly higher coordination existed between the rotator cuff and deltoid muscle groups during the initial (Pearson Correlation Coefficient (PCC) = 0.79) and final (PCC = 0.74) stages of shoulder elevation compared to the mid-range (PCC = 0.34) (p = 0.020-0.035). Coordination between the deltoid and a functional adducting group comprising the latissimus dorsi and teres major was particularly high (PCC = 0.89) during early shoulder elevation. The destabilising force of the deltoid, during the initial stage of shoulder elevation, is balanced by the coordinated activity of the rotator cuff, latissimus dorsi and teres major. Stability requirements are lower during the mid-range of elevation. At the end-range of movement the demand for muscular stability again increases and higher coordination is seen between the deltoid and rotator cuff muscle groups. It is proposed that by appreciating the sophistication of normal shoulder function targeted evidence-based rehabilitation strategies for conditions such as subacromial impingement syndrome or shoulder instability can be developed.
Journal Article
Humanise : why human-centred leadership is the key to the 21st century
2015
Legendary leaders change the world by putting leadership at the service of humanity
Humanise is a comprehensive look at human-centred leadership, providing insight and guidance for those who want to change the world. A deep examination of the concept of moral leadership, this book examines what it is, how it's acquired, and how it can be applied in business, government, and society. Readers will gain insight into predominant leadership styles exemplified in governments and organizations around the world, and discover the missing pieces that come together to more effectively guide people through challenges and transitions. With a focus on building a solid foundation, a strong moral compass, and deep empathy for others, this book shows you how to be a leader wherever you are, build your leadership capability, and make a positive impact on the world.
We are facing a crisis of leadership. Where are the new Mandelas? What type of person is that? What are their qualities and attributes? Who will lead us into the future? Humanise is a book for people who want to be the very best version of themselves, the best leader they can be, and impact the world for good.
* Discover a different perspective on the leadership crisis throughout the world
* Create your own leadership foundation starting with your purpose and principles
* Turn your personal moral values into a leadership style that will benefit and inspire others
* Influence the individuals and world around you to become a part of the solution
Following in the footsteps of Mandela and Ghandi, this book explains why great leadership is human-centred, and how you can become such a leader, no matter who you are or what position you are in. For those interested in picking up the torch and guiding the way, Humanise provides a roadmap to the version of you you've always wanted to be, and that the world needs you to be.
Subtrochanteric femoral fractures and intramedullary nailing complications: a comparison of two implants
2022
IntroductionIntramedullary (IM) nails are considered the ‘gold’ standard treatment for subtrochanteric femoral fractures. The incidence and risk factors for re-operation in subtrochanteric fractures remain unclear. Furthermore, no studies have compared the outcomes of different nailing systems used to treat subtrochanteric fractures in the same study population.Aims/objectivesOur study aimed to (i) investigate the cumulative incidence and factors associated with an increased risk of re-operation in subtrochanteric fractures treated with a long intramedullary (IM) nail, (ii) compare the outcomes of subtrochanteric fractures treated with long Affixus and Gamma nails, and (iii) establish whether the addition of a proximal anti-rotation screw in the Affixus nail confers any clinical benefit.MethodsA retrospective review of all adult patients admitted to a level 1 trauma centre with a subtrochanteric femur fracture treated with a long cephalomedullary IM nail over an 8-year period was conducted. Exclusion criteria were primary surgery performed at another institution, prophylactic nailing because of tumours, incomplete fractures, and patients who were lost to follow-up or died before fracture healing. Data variables were assessed for normality prior to determining the use of either parametric or non-parametric tests. Logistic regression analysis was performed to identify potential factors associated with re-operation. For the comparison between the two nail types, patients were matched into two groups of 119 each by age (10-year intervals), gender and mechanism of injury (low energy, high energy and pathological fractures). A p-value < 0.05 was considered significant. The Kaplan–Meier nail survival curve was used to demonstrate the survival of each nail. Data were analysed using the statistical package R (R version 3.6.0).ResultsA total of 309 subtrochanteric fractures were treated with a distally locked long IM nail (re-operation rate: 22.33%) over an 8-year period. Logistic regression identified six factors associated with an increased risk of re-operation, including age < 75 years old, use of a long Gamma nail, pre-injury coxa-vara femoral neck shaft angles, an immediate post-operative reduction angle of > 10° varus, deep wound infection and non-union.Following matching, we compared the two long cephalomedullary nailing systems used (Gamma versus Affixus nail). The only differences identified from the unadjusted analysis were a higher overall incidence of nail failure in Gamma nails due to any cause, re-operation, and impingement of the nail tip distally against the anterior femoral cortex. When we corrected for covariates, no significant differences remained evident between the two nails. From the Kaplan–Meier nail survival curves, however, the Affixus nail demonstrated better survivorship up to 5 years post-implantation in terms of nail failure and re-operation for all causes. Finally, the addition of a proximal anti-rotation screw in the Affixus nail did not seem to confer any benefit.ConclusionWe reported a 22.3% re-operation rate in our cohort of subtrochanteric fractures treated with a long IM nail. We have identified six risk factors associated with re-operation: age < 75 years old, pre-injury femoral neck shaft angle, choice of nail, varus reduction angle, fracture-related infection and non-union. The addition of a proximal anti-rotation screw in the Affixus nail did not confer any benefit.
Journal Article
Governance for injury care systems in Ghana, South Africa and Rwanda: development and pilot testing of an assessment tool
by
Davies, Justine
,
Chu, Kathryn
,
Howard, Anthony
in
Accountability
,
Global Health
,
Gross National Income
2023
ObjectivesThis study aims to evaluate health systems governance for injury care in three sub-Saharan countries from policymakers’ and injury care providers’ perspectives.SettingGhana, Rwanda and South Africa.DesignBased on Siddiqi et al’s framework for governance, we developed an online assessment tool for health system governance for injury with 37 questions covering health policy and implementation under 10 overarching principles of strategic vision, participation and consensus orientation, rule of law, transparency, responsiveness of institutions, equity, effectiveness or efficiency, accountability, ethics and intelligence and information. A literature review was also done to support the scoring. We derived scores using two methods—investigator scores and respondent scores.ParticipantsThe tool was sent out to purposively selected stakeholders, including policymakers and injury care providers in Ghana, Rwanda and South Africa. Data were collected between October 2020 and February 2021.Primary and secondary outcomesInvestigator-weighted and respondent percentage scores for health system governance for injury care. This was calculated for each country in total and per principle.ResultsRwanda had the highest overall investigator-weighted percentage score (70%), followed by South Africa (59%). Ghana had the lowest overall investigator score (48%). The overall results were similar for the respondent scores. Some areas, such as participation and consensus, scored high in all three countries, while other areas, such as transparency, scored very low.ConclusionIn this multicountry governance survey, we provide insight into and evaluation of health system governance for trauma in three low- and middle-income countries (LMICs) in sub-Saharan Africa. It highlights areas of improvement that need to be prioritised, such as transparency, to meet the high burden of trauma and injuries in LMICs.
Journal Article