In vicariant species formation, divergence results primarily from periods of allopatry and restricted gene flow. Widespread species harboring differentiated, geographically distinct sublineages offer a window into what may be a common mode of species formation, whereby a species originates, spreads across the landscape, then fragments into multiple units. However, incipient lineages usually lack reproductive barriers that prevent their fusion upon secondary contact, blurring the boundaries between a single, large metapopulation-level lineage and multiple independent species.
View Article and Find Full Text PDFImportance: Vascular complications after transfemoral transcatheter aortic valve implantation (TAVI) remain an important cause of procedure-related morbidity. Routine reversal of anticoagulation with protamine at the conclusion of transfemoral TAVI could reduce complications, but data remain scarce.
Objective: To evaluate the efficacy and safety of routine protamine administration after transfemoral TAVI.
Lack of access to primary care contributes to health inequities. Treatment settings that utilize the full experience and training of nurses, both registered nurses (RNs) and advanced practice registered nurses (APRNs), can expand in primary care and successfully address health inequities. This small study describes the implementation of a model of primary care called intensive primary care (IPC), which has eight elements that support the full utilization of a nurse's experience and training.
View Article and Find Full Text PDFBackground: Guidelines for the evaluation and grading of diastolic dysfunction are available for transthoracic echocardiography (TTE). Transesophageal echocardiography (TEE) is used for this purpose intraoperatively but the level of agreement between these 2 imaging modalities for grading diastolic dysfunction is unknown. We assessed agreement between awake preoperative TTE and intraoperative TEE for grading diastolic dysfunction.
View Article and Find Full Text PDFAn extensive water level survey of the water-table aquifer (i.e., shallow aquifer) within Shelby County, Tennessee, was conducted in the dry (fall 2020) and wet (spring 2021) seasons.
View Article and Find Full Text PDFProblem: Overnight vital signs are typically taken every four hours on pediatric acute care units, despite limited evidence supporting the efficacy of this practice. Vital signs are often ordered and collected without considering the patient's clinical status or potential impact that they may have on sleep. We sought to understand the impact that overnight vital sign monitoring has on sleep duration and disruptions among hospitalized children in an acute care setting.
View Article and Find Full Text PDFIn clinical practice, direct oral anticoagulants (DOACs) are increasingly used for venous thromboembolism treatment and prevention. A substantial proportion of patients with venous thromboembolism are also obese. International guidance published in 2016 stated that DOACs could be used in standard doses in patients with obesity up to a body mass index (BMI) of 40 kg/m, but should not be used in those with severe obesity (BMI >40 kg/m) owing to limited supporting data at the time.
View Article and Find Full Text PDFThe interaction between surficial shallow aquifers of poorer quality and semi-confined water-supply aquifers poses a potential risk for degradation of the water supply. Groundwater engineers and hydrogeologists use groundwater models to synthesize field data, conceptualize hydrological processes, and improve understanding of the groundwater system to support informed decision-making. Models for decision-making, called management models, aid in the efficient planning and sustainable management of groundwater systems.
View Article and Find Full Text PDFRes Pract Thromb Haemost
February 2022
Background: Right atrial appendage rupture from blunt trauma is exceedingly rare, even more so when no other chest wall injuries are found. Very few cases have been documented with respect to survival from such an injury.
Purpose: To highlight the optimal management of such cases, namely through timely and safe transport to a trauma centre, maintaining a high degree of clinical suspicion for tamponade, early diagnostic ultrasound use, pericardial decompression, haemorrhage control and situational control.
Dairy heifers developed in certified organic programs, especially those utilizing pasture-based management schemes, have lower rates of gain than heifers raised in nonorganic confinement production systems in temperate climates, such as in the Intermountain West region of the United States. This study investigates the effects that different forages in a rotational grazing system have on development of organically raised Jersey heifers. Over 3 years, 210 yearling Jersey heifers were randomly assigned to one of 9 treatments, including a conventional confinement control where animals were fed a total mixed ration or one of 8 pasture treatments: Cache Meadow bromegrass (Bromus riparius Rehmann), QuickDraw orchard grass (Dactylis glomerata L.
View Article and Find Full Text PDFLow dietary energy and decreased intake of herbage have been attributed to the reduced performance of grazing dairy cattle. We hypothesized that grasses with inherently greater energy would interact in a complementary way with condensed tannins (CT) in birdsfoot trefoil to increase herbage intake by grazing dairy heifers. Eight pasture treatments comprising high-sugar perennial ryegrass (Lolium perenne L.
View Article and Find Full Text PDFPrimary Objective: This paper reports on the personal experiences of loneliness for individuals living with brain injury.
Research Design: This is a qualitative research design, employing semi-structured interviews and subsequent contextualist thematic analysis.
Methods And Procedures: Eleven clients (two female and nine male, aged between 27 and 63 years) with brain injury participated in semi-structured interviews.
Three methods of extraction of low-level soluble chloride contents from vadose-zone soil were evaluated in this study. Three methods were employed on a silty sand soil using a 2:1 fluid:soil ratio: 1) Method A utilized three successive rinses with deionized water; 2) Method B applied three successive rinses of 0.0001 M and 0.
View Article and Find Full Text PDFEnviron Monit Assess
April 2020
Oases support 90% of the province's inhabitants and produce more than 95% of the social wealth in Xinjiang Province of China. Oases' dependency on water availability from mountainous regions plays a critical factor in the sustainability of agricultural practices and oasis expansion. In this study, we have chosen the Cele Oasis located in the south rim of the Taklimakan Desert, typical of oases in the region, as a case study to examine water availability.
View Article and Find Full Text PDFIt is understood that colorectal adenomas progress to colonic adenocarcinoma. Adenoma detection rate (ADR) at endoscopy has been used as a key performance indicator at endoscopy and is inversely associated with diagnosis of interval colorectal cancer. As most endoscopy reporting systems do not routinely incorporate histological assessment, ADR reporting is a cumbersome task.
View Article and Find Full Text PDFPurpose: The widespread use of Ga for positron emission tomography (PET) relies on the development of radiopharmaceutical precursors that can be radiolabelled and dispensed in a simple, quick, and convenient manner. The DATA (6-amino-1,4-diazapine-triacetate) scaffold represents a novel hybrid chelator architecture possessing both cyclic and acyclic character that may allow for facile access to Ga-labelled tracers in the clinic. We report the first bifunctional DATA chelator conjugated to [Tyr]octreotide (TOC), a somatostatin subtype 2 receptor (SST)-targeting vector for imaging and functional characterisation of SSTR expressing tumours.
View Article and Find Full Text PDFAortic root spontaneous echo contrast is a rare but significant finding. We report a 31-year-old female who was placed on venoarterial extracorporeal membrane oxygenation emergently for acute mitral regurgitation secondary to papillary muscle rupture. Following stabilization, subsequent transesophageal echocardiography suggested aortic root thrombus and prompted emergent surgery.
View Article and Find Full Text PDFA species' population structure and history are critical pieces of information that can help guide the use of available native plant materials in restoration treatments and decide what new native plant materials should be developed to meet future restoration needs. In the western United States, (bluebunch wheatgrass; Poaceae) is an important component of grassland and shrubland plant communities and commonly used for restoration due to its drought resistance and competitiveness with exotic weeds. We used next-generation sequencing data to investigate the processes that shaped 's geographic pattern of genetic variation across the Intermountain West.
View Article and Find Full Text PDFAim: The Western world has an expanding older population, who are living longer with increasing numbers of comorbidities. In addition, expectations of patients and relatives are increasing. As a general hospital operating in a rural setting, our University Hospital Kerry, Tralee, Ireland, deals with a significant number of emergency presentations to the acute surgical service.
View Article and Find Full Text PDFHalogeton () is an invasive species that displaces Gardner's saltbush () on saline rangelands, whereas, forage kochia () potentially can rehabilitate these ecosystems. Salinity tolerance has been hypothesized as the predominant factor affecting frequency of these species. This study compared relative salinity tolerance of these species, and tall wheatgrass () and alfalfa ().
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