Mesocosm experiments confirmed that adult cannibalism of recruits was size-dependent and could control recruitment. Genomic data show substantial isolation of this population and implicate internal population dynamics for the increase, rather than recruitment from other locations. More broadly, this controlled experimental demonstration of stage-specific overcompensation in an aquatic system provides an important cautionary message for eradication efforts of species with limited connectivity and similar life histories.
  Improving the quality of self-management support (SMS) for treatment-related toxicities is a priority in cancer care. Successful implementation of SMS programmes depends on tailoring implementation strategies to organisational readiness factors and barriers/enablers, however, a systematic process for this is lacking. In this formative phase of our implementation-effectiveness trial, Self-Management and Activation to Reduce Treatment-Related Toxicities, we evaluated readiness based on constructs in the Consolidated Framework for Implementation Research (CFIR) and Normalisation Process Theory (NPT) and developed a process for mapping implementation strategies to local contexts.
 
  In this convergent mixed-method study, surveys and interviews were used to assess readiness and barriers/enablers for SMS among stakeholders in 3 disease site groups at 3 regional cancer centres (RCCs) in Ontario, Canada. Median survey responses were classified as a barrier, enabler or neutral based on a priori cut-off values.  https://www.selleckchem.com/products/Carboplatin.html  Barriering of implementation strategies may have relevance for other studies.
 The CFIR and CFIR-ERIC were valuable tools for tailoring SMS implementation to readiness and barriers/enablers, whereas NPT helped to clarify the clinical work of implementation. Our approach to tailoring of implementation strategies may have relevance for other studies.
  In low-income and middle-income countries, an estimated one in three clinical adverse events happens in non-complex situations and 83% are preventable. Poor quality of care also leads to inefficient use of human, material and financial resources for health. Improving outcomes and mitigating the risk of adverse events require effective monitoring and quality control systems.
 
  To assess the state of surgical monitoring and quality control systems at district hospitals (DHs) in Malawi, Tanzania and Zambia.
 
  A mixed-methods cross-sectional study of 75 DHs Malawi (22), Tanzania (30) and Zambia (23). This included a questionnaire, interviews and visual inspection of operating theatre (OT) registers. Data were collected on monitoring and quality systems for surgical activity, processes and outcomes, as well as perceived barriers.
 
  53% (n=40/75) of DHs use more than one OT register to record surgical operations. With the exception of standardised printed OT registers in Zambia, the register format (often handwriot standard among sampled DHs. Improvements are needed in standardisation of quality measures used; and in ensuring data completeness, analysis and utilisation for improving patient outcomes.
  The dural vasculature plays a key role in several important conditions, including dural fistulas and subdural collections. While in vivo investigations of intrinsic dural arterial angioarchitecture are rare, no angiographic studies of dural venous drainage exist to our knowledge.
 
  To describe methods by which dural venous drainage might be visualized with current angiographic equipment and technique, and to correlate our results with existing ex vivo literature.
 
  Digital subtraction angiography and 3D angiography (rotational and Dyna CT) of dural neurovasculature were acquired in the context of subdural hematoma embolization and normal dura. Protocols for visualization of dural venous drainage were established, and findings correlated with ex vivo studies.
 
  Meningeal arteries supply both the skull and dura. Normal dural enhancement is accentuated by the presence of hypervascular membranes. Intrinsic meningeal veins/sinuses parallel outer layer arteries with well-known tram-tracking appearance. Dura adjacent to main arterial trunks drains via skull base foramina into the pterygopalatine venous plexus, or via emissary veins into the temporalis venous plexus. Dura near the sinuses drains into venous pouches adjacent to the sinus, before emptying into the sinus proper-possibly the same pouches implicated in the angioarchitecture of dural fistulas. Finally, posterior temporoparietal convexity dura, situated in a watershed-like region between middle and posterior meningeal territories, frequently empties into diploic and emissary veins of the skull. Wide variation in balance is expected between these three routes. Drainage patterns appear to correlate with venous embryologic investigations of Padget and ex vivo studies in adults.
 
  Continued attention to dural venous drainage may prove useful in the diagnosis and management of dural-based vascular diseases.
 Continued attention to dural venous drainage may prove useful in the diagnosis and management of dural-based vascular diseases.
  The Woven EndoBridge (WEB) shape modification (WShM) during follow-up may be a potential cause of poor angiographic outcomes. WShM predisposing factors have not yet been determined. Our systematic use of rotational cone beam computed tomography (VasoCT) imaging during follow-up allowed us to perform the first quantitative analysis of the shape of WEBs over time. Our goal was to identify possible strategies to reduce the occurrence of this phenomenon.
 
  All patients treated in our hospital with a WEB device between October 2015 and January 2019 were included. Using VasoCT acquisitions, systematically performed after implantation and during follow-up, we analyzed WEB morphology. WShM was defined as the percentage reduction in the distance between the two WEB markers.
 
  Sixty-three aneurysms treated with a WEB device were finally included in this analysis. At the last follow-up (mean 15.5 months), mean WShM was 48%±24. The mean WShM was significantly higher in the aneurysm recurrence group than in the adequate occlusion group (51±6.