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Book ; Online: Human Rights, Sexual Orientation and Gender Identity in The Commonwealth

Lennox, Corinne / Waites, Matthew

2013

Keywords	Social classes
Size	1 electronic resource (572 pages)
Publisher	University of London Press
Publishing place	London
Document type	Book ; Online
Note	English ; Open Access
HBZ-ID	HT021029002
ISBN	9781912250134 ; 1912250136
Database	ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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Article: Tips from the shop floor: postgraduate doctors working in trauma and orthopaedics.

Prakash, Rohan / Chithiramohan, Anita / Nasser, Ahmed / Handford, Charles / Waites, Matthew

British journal of hospital medicine (London, England : 2005)

2023 Volume 84, Issue 10, Page(s) 1–6

Abstract: Trauma and orthopaedics is a useful rotation for junior doctors to undertake. Experience in the specialty allows doctors to feel more confident in the diagnosis and treatment of conditions affecting the entire musculoskeletal system. Many junior doctors ... ...

Abstract	Trauma and orthopaedics is a useful rotation for junior doctors to undertake. Experience in the specialty allows doctors to feel more confident in the diagnosis and treatment of conditions affecting the entire musculoskeletal system. Many junior doctors cover on-calls in trauma and orthopaedics departments, often with no prior specialist experience. This article provides junior doctors with up-to-date information about how to prepare for a placement in trauma and orthopaedics, as well as helpful resources for those interested in a career in trauma and orthopaedics.
MeSH term(s)	Humans ; Orthopedics ; Orthopedic Procedures ; Emotions ; Medical Staff, Hospital ; Physicians
Language	English
Publishing date	2023-10-25
Publishing country	England
Document type	Journal Article
ISSN	1750-8460
ISSN	1750-8460
DOI	10.12968/hmed.2023.0194
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Book ; Online: The age of consent

Waites, Matthew

young people, sexuality and citizenship

2005

Abstract: Age of consent laws regulating young people's sexual behaviour are at the heart of contemporary debates and conflicts over young people's rights and citizenship, child protection and child abuse. This book analyzes the development of age of consent laws ... ...

Institution	ebrary, Inc
Author's details	Matthew Waites
Abstract	Age of consent laws regulating young people's sexual behaviour are at the heart of contemporary debates and conflicts over young people's rights and citizenship, child protection and child abuse. This book analyzes the development of age of consent laws in the UK from the Nineteenth century to the present, in international perspective. The analysis, informed by contemporary perspectives in social theory on gender, sexuality, youth and childhood, focuses upon changing understandings of citizenshi
Keywords	Age of consent ; Minors/Sexual behavior
Language	English
Size	Online-Ressource (viii, 285 p), 22 cm
Publisher	Palgrave Macmillan
Publishing place	Houndmills, Basingstoke, Hampshire ;New York
Document type	Book ; Online
Note	Includes bibliographical references (p. 247-271) and index
ISBN	1403921733 ; 9780230505933 ; 9781403921734 ; 0230505937
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book ; Online: Sociology and Human Rights

Hynes, Patricia / Lamb, Michele / Short, Damien / Waites, Matthew

2014

Abstract: Sociology and Human Rights: New Engagements is the first collection to focus on the contribution sociological approaches can make to analysis of human rights. Taking forward the sociology of human rights which emerged from the 1990s, it presents ... ...

Abstract	Sociology and Human Rights: New Engagements is the first collection to focus on the contribution sociological approaches can make to analysis of human rights. Taking forward the sociology of human rights which emerged from the 1990s, it presents innovative analyses of global human rights struggles by new and established authors. The collection includes a range of new work addressing issues such as genocide in relation to indigenous peoples, rights-based approaches in development work, trafficking of children, and children's rights in relation to political struggles for the decriminalisation of
Language	English
Size	Online-Ressource (219 p)
Publisher	Taylor and Francis
Publishing place	Hoboken
Document type	Book ; Online
Note	Description based upon print version of record
ISBN	9780415617970 ; 0415617979
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Article ; Online: PEEK Versus Ti Interbody Fusion Devices: Resultant Fusion, Bone Apposition, Initial and 26-Week Biomechanics.

Pelletier, Matthew Henry / Cordaro, Nicholas / Punjabi, Vaibhav M / Waites, Matthew / Lau, Abe / Walsh, William R

Clinical spine surgery

2016 Volume 29, Issue 4, Page(s) E208–14

Abstract: Study design: Comparative evaluation of in vitro and in vivo biomechanics, resulting fusion and histomorphometric aspects of polyetheretherketone (PEEK) versus titanium (Ti) interbody fusion devices in an animal model with similar volumes of bone graft.! ...

Abstract	Study design: Comparative evaluation of in vitro and in vivo biomechanics, resulting fusion and histomorphometric aspects of polyetheretherketone (PEEK) versus titanium (Ti) interbody fusion devices in an animal model with similar volumes of bone graft. Objective: Identify differences in the characteristics of fusion and biomechanics immediately following implantation (time 0) and at 26 weeks with each interbody implant. Summary of background data: PEEK has been well accepted in spinal surgery, it provides a closer match to the mechanical properties of bone than metallic implants such as Ti. This is thought to reduce graft stress shielding and subsidence of interbody fusion devices. There remains controversy as to the overall influence of this as a factor influencing resultant fusion and initial stability. Although material modulus is 1 factor of importance, other design factors are likely to play a large role determining overall performance of an interbody implant. Methods: A Ti and PEEK device of similar size with a central void to accommodate graft material were compared. The PEEK device had a ridged surface on the caudal and cephalad surfaces, whereas Ti device allowed axial compliance and had bone ingrowth endplates and polished internal surfaces. A 2-level ALIF was performed in 9 sheep and fusion, biomechanics, and bone apposition were evaluated at 26 weeks. Time 0 in vitro biomechanical tests were performed to establish initial stability immediately after implantation. Results: No differences were detected in the biomechanical measures of each of the devices in in vitro time 0 tests. All levels were fused by 26 weeks with considerably lower range of motion when compared with in vitro tests. Range of motion in all modes of bending was reduced by over 70% when compared with intact values for axial rotation (Ti-74%, PEEK-71%), lateral bending (Ti-90%, PEEK-88%), and flexion/extension (Ti-92%, PEEK-91%). Mechanical properties of fusions formed with each implant did not differ; however, bone apposition was variable with polished internal Ti surfaces being lower than PEEK and treated Ti endplates showing the greatest levels. Graft material displayed axial trabecular alignment with both implants. Conclusions: Although material properties and surface characteristics resulted in differing amounts of biological integration from the host, both implants were capable of producing excellent fusion results using similar volumes of bone graft.
MeSH term(s)	Animals ; Biocompatible Materials ; Biomechanical Phenomena ; Bone Transplantation ; Cervical Vertebrae/surgery ; Female ; Ketones ; Models, Animal ; Polyethylene Glycols ; Prostheses and Implants ; Sheep ; Spinal Fusion/instrumentation ; Titanium
Chemical Substances	Biocompatible Materials ; Ketones ; Polyethylene Glycols (30IQX730WE) ; polyetheretherketone (31694-16-3) ; Titanium (D1JT611TNE)
Language	English
Publishing date	2016-05
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2849646-2
ISSN	2380-0194 ; 2380-0186
ISSN (online)	2380-0194
ISSN	2380-0186
DOI	10.1097/BSD.0b013e31826851a4
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Article ; Online: The strength of the osteoporotic sacrum.

Waites, Matthew D / Mears, Simon C / Mathis, John M / Belkoff, Stephen M

Spine

2007 Volume 32, Issue 23, Page(s) E652–5

Abstract: Study design: Biomechanical cadaveric bench study.: Objective: To determine the strength of the osteoporotic sacrum subjected to vertical force.: Summary of background data: Sacral insufficiency fractures are thought to be caused by vertical shear ...

Abstract	Study design: Biomechanical cadaveric bench study. Objective: To determine the strength of the osteoporotic sacrum subjected to vertical force. Summary of background data: Sacral insufficiency fractures are thought to be caused by vertical shear forces acting in the sacral ala. The force required to fracture the osteoporotic sacrum is unknown. Methods: Eighteen osteoporotic cadaveric pelves were potted and mounted on a materials testing machine so that the anterior superior spine was aligned with the symphysis in the sagittal plane. The lumbar spine (L3-L4) was displaced vertically downward until failure occurred. Failure loads were recorded, and fracture patterns were identified via computed tomography. Results: Mean (+/-SD) failure load was 3200 +/- 1262 N. In 3 of 18 specimens, sacral fractures were not apparent on computed tomography. In 15 of 18 specimens, fractures were produced lateral to the neural foramina. Of those 15 specimens, 8 were unilateral (1 with horizontal extension) and 7 were bilateral. In 13 of 15 cases, fractures were located in Denis Zone 1. Conclusion: The osteoporotic sacrum failed under vertical forces of approximately 4.5 times body weight. Imaged fracture patterns resembled sacral insufficiency fractures seen clinically. In 1 case, a horizontal fracture line was produced. Vertical compression forces appear to cause insufficiency fractures in the osteoporotic sacrum.
MeSH term(s)	Biomechanical Phenomena ; Compressive Strength ; Female ; Fractures, Spontaneous/etiology ; Humans ; Male ; Osteoporosis/physiopathology ; Sacrum/physiopathology ; Spinal Fractures/etiology ; Weight-Bearing
Language	English
Publishing date	2007-11-01
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	752024-4
ISSN	1528-1159 ; 0362-2436
ISSN (online)	1528-1159
ISSN	0362-2436
DOI	10.1097/BRS.0b013e318158c552
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Article: Percutaneous Achilles tendon lengthening: a cadaver-based study of failure of the triple hemisection technique.

Hoefnagels, Eva M / Waites, Matthew D / Belkoff, Stephen M / Swierstra, Bart A

Acta orthopaedica

2007 Volume 78, Issue 6, Page(s) 808–812

Abstract: Background and purpose: Modern descriptions of the percutaneous triple hemisection technique for Achilles tendon lengthening do not take into account the axial twist in the ligament. We were concerned that technical failures of the lengthening technique ...

Abstract	Background and purpose: Modern descriptions of the percutaneous triple hemisection technique for Achilles tendon lengthening do not take into account the axial twist in the ligament. We were concerned that technical failures of the lengthening technique might occur more often than has been reported, and analyzed the results of the triple hemisection technique in cadaveric tendons in quantitative and qualitative terms, focusing on insufficient or complete tenotomies. Methods: We performed a percutaneous triple hemisection of the Achilles tendon in 20 legs from adult cadavers, and measured the increase in ankle dorsiflexion in degrees, the length of the cuts in mm, and the depth of the cuts as a percentage of the total diameter of the tendon. Failure of the hemisection was defined as a sliding gap of <or=2 mm and/or a cut depth of <or=25% or <75%.<br />Results: 21 of the 60 hemisections failed. These failures occurred in 12 of the 20 legs, and included 1 complete tendon rupture and 3 near-ruptures with only a few connecting fibers left. Interpretation: Our findings support our hypothesis that technical failures in the triple hemisection procedure occur more often than acknowledged. Despite the scarce but good clinical results described in children, we suggest performing this technique as an open procedure, especially in cases where the boundaries of the tendon are less easily palpable (adults, obese children), and to use the largest possible distance between the hemisections.
MeSH term(s)	Achilles Tendon/anatomy & histology ; Achilles Tendon/surgery ; Aged ; Aged, 80 and over ; Cadaver ; Child ; Female ; Humans ; Male ; Orthopedic Procedures/adverse effects ; Orthopedic Procedures/standards
Language	English
Publishing date	2007-12
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2180677-9
ISSN	1745-3682 ; 1745-3674
ISSN (online)	1745-3682
ISSN	1745-3674
DOI	10.1080/17453670710014590
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Article ; Online: A biomechanical comparison of lateral and posterior approaches to sacroplasty.

Waites, Matthew D / Mears, Simon C / Richards, Andrew M / Mathis, John M / Belkoff, Stephen M

Spine

2008 Volume 33, Issue 20, Page(s) E735–8

Abstract: Study design: Biomechanical cadaveric bench study.: Objective: To measure the augmentation effect and extravasation risk of posterior and lateral approaches to sacroplasty.: Summary of background data: The biomechanical stabilizing effect of ... ...

Abstract	Study design: Biomechanical cadaveric bench study. Objective: To measure the augmentation effect and extravasation risk of posterior and lateral approaches to sacroplasty. Summary of background data: The biomechanical stabilizing effect of sacroplasty is unknown. Methods: Using a sacral insufficiency fracture model, we performed sacroplasty in 15 osteoporotic cadaveric pelves. Five served as controls, and 10 were each injected with 4 mL of a polymethylmethacrylate cement (5 via a posterior approach, 5 via a lateral approach). Cement extravasation was assessed using computed tomography. Restored strength and stiffness were defined as the ratios of treatment to initial strength and to stiffness, respectively. Between-group differences in restoration parameters were checked for significance (P < 0.05) using an analysis of variance followed by Tukey's test. Results: We found no significant differences between groups in terms of restored strength ( approximately 61%) and stiffness ( approximately 77%). Both injection methods produced extravasation into the anterior sacrum, the posterior sacrum, the sacroiliac joint, and the neural foramens. Conclusion: Sacroplasty with 4 mL of cement does not restore the strength or stiffness of the sacrum in a cadaveric model, regardless of the approach used.
MeSH term(s)	Aged, 80 and over ; Bone Cements/therapeutic use ; Bone Density/physiology ; Bone Screws ; Cementation/adverse effects ; Elasticity ; Extravasation of Diagnostic and Therapeutic Materials/diagnostic imaging ; Fracture Fixation/methods ; Humans ; Osteoporosis/metabolism ; Osteoporosis/physiopathology ; Polymethyl Methacrylate ; Prosthesis Failure ; Sacrum/diagnostic imaging ; Sacrum/physiopathology ; Sacrum/surgery ; Spinal Fractures/diagnostic imaging ; Spinal Fractures/physiopathology ; Spinal Fractures/surgery ; Stress, Mechanical ; Tomography, X-Ray Computed ; Vertebroplasty
Chemical Substances	Bone Cements ; Polymethyl Methacrylate (9011-14-7)
Language	English
Publishing date	2008-09-15
Publishing country	United States
Document type	Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	752024-4
ISSN	1528-1159 ; 0362-2436
ISSN (online)	1528-1159
ISSN	0362-2436
DOI	10.1097/BRS.0b013e31817ecc22
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Article: Biomechanical comparison of the interosseous tibiofibular ligament and the anterior tibiofibular ligament.

Hoefnagels, Eva M / Waites, Matthew D / Wing, Ian D / Belkoff, Stephen M / Swierstra, Bart A

Foot & ankle international

2007 Volume 28, Issue 5, Page(s) 602–604

Abstract: Background: The mechanical importance of the interosseous tibiofibular ligament of the ankle is unclear. The purpose of the current study was to compare the stiffness and strength of the interosseous tibiofibular ligament to that of the anterior ... ...

Abstract	Background: The mechanical importance of the interosseous tibiofibular ligament of the ankle is unclear. The purpose of the current study was to compare the stiffness and strength of the interosseous tibiofibular ligament to that of the anterior tibiofibular ligament. Methods: Twelve pairs of ankles were obtained from the Maryland State Anatomy Board. All soft tissue was removed except for the interosseous tibiofibular ligament in one ankle of each pair and the anterior tibiofibular ligament in the contralateral ankle. The assignment of which ligament would be excised in the right or left ankle of each pair was random. The specimens were potted as bone-ligament-bone preparations and mounted in a servohydraulic testing machine so that the ligament's long axis was coincident with the actuator. Specimens were elongated at 0.5 mm/s until rupture. Failure load and failure site were recorded, and stiffness was calculated. Stiffness and failure loads were compared with a paired t-test. Significance was set at p < 0.05. Results: The interosseous ligament was significantly stiffer (234 +/- 122 N/mm) than the anterior tibiofibular ligament (162 +/- 64 N/mm). The mean failure load of the interosseous tibiofibular ligament (822 +/- 298 N) was significantly greater than that of the anterior tibiofibular ligament (625 +/- 255 N). Conclusions: The interosseous tibiofibular ligament is stiffer and stronger than the anterior tibiofibular ligament. CLINICAL RELEVANCE. The current study suggests that the interosseous ligament plays an important role in the stability of the ankle, and its status should be part of the diagnostic evaluation in syndesmotic instability.
MeSH term(s)	Aged ; Ankle Joint/physiology ; Biomechanical Phenomena ; Cadaver ; Female ; Humans ; Ligaments, Articular/anatomy & histology ; Ligaments, Articular/physiology ; Male ; Models, Anatomic
Language	English
Publishing date	2007-05
Publishing country	United States
Document type	Comparative Study ; Journal Article
ZDB-ID	1183283-6
ISSN	1944-7876 ; 1071-1007
ISSN (online)	1944-7876
ISSN	1071-1007
DOI	10.3113/FAI.2007.0602
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Article ; Online: The characteristics and predictors of mortality in periprosthetic fractures around the knee.

Nasser, Ahmed A H H / Sidhu, Manpreet / Prakash, Rohan / Mahmood, Ansar / Osman, Khabab / Chauhan, Govind S / Nandra, Rajpal / Dewan, Varun / Davidson, Jerome / Al-Azzawi, Mohammed / Smith, Christian / Gawad, Mothana / Palaiologos, Ioannis / Cuthbert, Rory / Wignadasan, Warran / Banks, Daniel / Archer, James / Odeh, Abdulrahman / Moores, Thomas /

Tahir, Muaaz / Brooks, Margaret / Biring, Gurdeep / Jordan, Stevan / Elahi, Zain / Shaath, Mohammed / Veettil, Manoj / De, Chiranjit / Handford, Charles / Bansal, Mohit / Bawa, Akshdeep / Mattar, Ahmed / Tandra, Varun / Daadipour, Audrina / Taha, Ahmed / Gangoo, Shafat / Srinivasan, Sriram / Tarisai, Mandishona / Budair, Basil / Subbaraman, Krishna / Khan, Farrukh / Gomindes, Austin / Samuel, Arjun / Kang, Niel / Kapur, Karan / Mainwaring, Elizabeth / Bridgwater, Hannah / Lo, Andre / Ahmed, Usman / Khaleeq, Tahir / El-Bakoury, Ahmed / Rashed, Ramy / Hosny, Hazem / Yarlagadda, Rathan / Keenan, Jonathan / Hamed, Ahmed / Riemer, Bryan / Qureshi, Arham / Gupta, Vatsal / Waites, Matthew / Bleibleh, Sabri / Westacott, David / Phillips, Jonathan / East, Jamie / Huntley, Daniel / Masud, Saqib / Mirza, Yusuf / Mishra, Sandeep / Dunlop, David / Khalefa, Mohamed / Balakumar, Balasubramanian / Thibbaiah, Mahesh / Payton, Olivia / Berstock, James / Deano, Krisna / Sarraf, Khaled M / Logishetty, Kartik / Lee, George / Subbiah-Ponniah, Hariharan / Shah, Nirav / Venkatesan, Aakaash / Cheseldene-Culley, James / Ayathamattam, Joseph / Tross, Samantha / Randhawa, Sukhwinder / Mohammed, Faisal / Ali, Ramla / Bird, Jonathan / Khan, Kursheed / Akhtar, Muhammad A / Brunt, Andrew / Roupakiotis, Panagiotis / Subramanian, Padmanabhan / Bua, Nelson / Hakimi, Mounir / Bitar, Samer / Al Najjar, Majed / Radhakrishnan, Ajay / Gamble, Charlie / James, Andrew / Gilmore, Catherine / Dawson, Dan / Sofat, Rajesh / Antar, Mohamed / Raghu, Aashish / Heaton, Sam / Tawfeek, Waleed / Charles, Christerlyn / Burnand, Henry / Duffy, Sean / Taylor, Luke / Magill, Laura / Perry, Rita / Pettitt, Michala / Okoth, Kelvin / Pinkney, Thomas

The bone & joint journal

2024 Volume 106-B, Issue 2, Page(s) 158–165

Abstract: Aims: Periprosthetic fractures (PPFs) around the knee are challenging injuries. This study aims to describe the characteristics of knee PPFs and the impact of patient demographics, fracture types, and management modalities on in-hospital mortality.: ... ...

Abstract	Aims: Periprosthetic fractures (PPFs) around the knee are challenging injuries. This study aims to describe the characteristics of knee PPFs and the impact of patient demographics, fracture types, and management modalities on in-hospital mortality. Methods: Using a multicentre study design, independent of registry data, we included adult patients sustaining a PPF around a knee arthroplasty between 1 January 2010 and 31 December 2019. Univariate, then multivariable, logistic regression analyses were performed to study the impact of patient, fracture, and treatment on mortality. Results: Out of a total of 1,667 patients in the PPF study database, 420 patients were included. The in-hospital mortality rate was 6.4%. Multivariable analyses suggested that American Society of Anesthesiologists (ASA) grade, history of peripheral vascular disease (PVD), history of rheumatic disease, fracture around a loose implant, and cerebrovascular accident (CVA) during hospital stay were each independently associated with mortality. Each point increase in ASA grade independently correlated with a four-fold greater mortality risk (odds ratio (OR) 4.1 (95% confidence interval (CI) 1.19 to 14.06); p = 0.026). Patients with PVD have a nine-fold increase in mortality risk (OR 9.1 (95% CI 1.25 to 66.47); p = 0.030) and patients with rheumatic disease have a 6.8-fold increase in mortality risk (OR 6.8 (95% CI 1.32 to 34.68); p = 0.022). Patients with a fracture around a loose implant (Unified Classification System (UCS) B2) have a 20-fold increase in mortality, compared to UCS A1 (OR 20.9 (95% CI 1.61 to 271.38); p = 0.020). Mode of management was not a significant predictor of mortality. Patients managed with revision arthroplasty had a significantly longer length of stay (median 16 days; p = 0.029) and higher rates of return to theatre, compared to patients treated nonoperatively or with fixation. Conclusion: The mortality rate in PPFs around the knee is similar to that for native distal femur and neck of femur fragility fractures. Patients with certain modifiable risk factors should be optimized. A national PPF database and standardized management guidelines are currently required to understand these complex injuries and to improve patient outcomes.
MeSH term(s)	Adult ; Humans ; Periprosthetic Fractures/etiology ; Knee Joint/surgery ; Knee/surgery ; Arthroplasty, Replacement, Knee/adverse effects ; Femoral Fractures/surgery ; Rheumatic Diseases/etiology ; Rheumatic Diseases/surgery ; Retrospective Studies ; Reoperation
Language	English
Publishing date	2024-02-01
Publishing country	England
Document type	Multicenter Study ; Journal Article
ZDB-ID	2697156-2
ISSN	2049-4408 ; 2049-4394
ISSN (online)	2049-4408
ISSN	2049-4394
DOI	10.1302/0301-620X.106B2.BJJ-2023-0700.R1
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