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357 results for “puncture”
Fig. 110. Mesoscutum punctures. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic
Fig. 110. Mesoscutum punctures. A. Lasioglossum (D.) vierecki (Crawford, 1904), ♂, all interspaces less than 1 puncture diameter. B. L. (D.) arenisaltans sp. nov., ♂, numerous interspaces of 1 puncture diameter or more. Scale bars: 0.5 mm.
FIG. 71. Elytral morphotypes with window punctures. A, B. Morphotype 72, VMNH 49731. C in Remarkable Diversity Of Beetles (Coleoptera) In The Late Triassic (Norian) "Solite Deposit" Of Virginia And North Carolina
FIG. 71. Elytral morphotypes with window punctures. A, B. Morphotype 72, VMNH 49731. C. Zygadenia westraliensis (E. Jurassic, Western Australia; Martin, 2010). Photo courtesy of Sarah Martin. D, E. Morphotype 73, VMNH 94836. Photo courtesy of VMNH. Scale bars: 1 mm.
Text-fig. 20. Carnivore puncture mark on tibia 97-597-C-Př82, for the metrics of this bone see Table 12. in Consumption Of Canid Meat At The Gravettian Předmostí Site, The Czech Republic
Text-fig. 20. Carnivore puncture mark on tibia 97-597-C-Př82, for the metrics of this bone see Table 12.
corrected_setiferous_punctures_in_3rd_elytral_interval
<p>corrected filename for uploads: Habitus of an Agonum specimen, setiferous punctures in 3rd elytral interval marked</p>
The puncture mechanics: an example from the bed bug Cimex lectularius showing traumatic insemination using the paramere
<p>Cimicidae are well-known for traumatic insemination, and males pierce females with their parameres and transfer sperm through them. The shape of parameres is relatively stable in the family, but in some genera the paramere is elongated, appearing less resistant against lateral deflection. To understand the mechanical limitations of the paramere, we studied its penetration mechanics of the common bed bug, <em>Cimex lectularius</em>. We examined the postabdominal morphology, paramere geometry, and material properties and conducted breaking stress experiments on the paramere under wet and dry conditions. Mechanical property gradients are present with the paramere tip as the stiffest region and the base as the most flexible one. These mechanical properties relate to the presence of Ca, Zn, and Si. The basal wing-shaped structure is flexible, enabling it to interlock with the anal region during mating. The paramere is slightly twisted; the tip region is circular in cross-section, and the geometry of the rest is rather complex. In the mechanical test, wet parameres mainly buckled, while dried parameres broke off. The level of structural failures depended on the directions from which the compression forces were applied. Structural, material, and mechanical strengthening mechanisms preventing the paramere from mechanical failure are discussed.</p>
Raw Data for the article: Portal vein puncture-related complications during transjugular intrahepatic portosystemic shunt creation: Colapinto needle set vs Rösch-Uchida needle set
<p>Transjugular portal vein puncture is considered the riskiest step in TIPS creation with possible incidence of portal vein puncture-related complications (PVPC). The Colapinto and the Rösch-Uchida needle sets are two different needle sets currently available. To date, there have been no randomized control trials or systematic reviews which compare the incidence of PVPC when using the two different needle sets. The aim of this literature review is to assess the rate of PVPC associated with the different needle sets used in the creation of TIPS. From the described search, 1500 articles were identified and 34 met the inclusion criteria. Outcome measured was the prevalence of PVPC using the different needle sets. Overall 212 (3.6%) PVPC were reported in 5865 patients; 142 (3.5%) reported in 4000 cases using the Rösch-Uchida set and 70 (3.7%) in 1865 patients using the Colapinto set (p = 0.69). PVPC in TIPS creation are not related to the choice of needle set used in the procedure. To our knowledge, this is the first review of its kind, the results of which support the theory that while the rate of PVPC is influenced by many factors, choice of needle set does not seem to be one of them.</p>
Raw Data for the article: Right vs left portal branch puncture in TIPS creation with controlled expansion covered stent: comparison of hemodynamic and clinical outcomes
<p><strong>Purpose: </strong>To retrospectively compare outcomes of TIPS performed by puncturing left portal vein (LPV) vs right portal vein (RPV) to access the portal system.</p> <p><strong>Materials and methods: </strong>One hundred ninety-three consecutive patients underwent TIPS with controlled expansion covered stent by using the LPV (37 patients) or the RPV (156 patients). Patients were followed until the last clinical evaluation, liver transplantation, or death.</p> <p><strong>Results: </strong>Demographics and clinical characteristics of the two groups were comparable. The median follow-up was 9.6 months (range 0.1-50.6). Portosystemic pressure gradient (PSG) before TIPS 15.7 mmHg ± 4.7 in RPV group (RPVG) vs 15.4 mmHg ± 4.5 in LPV group (LPVG) (p = 0.725). After TIPS, PSG 6.3 mmHg ± 2.8 in RPVG vs 6.2 mmHg ± 2.2 (p = 0.839). In LPVG, the stent was dilated to 8-mm in 95% of patients vs 77% of RPVG (p = 0.015). Two (5.4%) and 22 (14%) patients underwent TIPS revision in LPVG and RPVG (p = 0.15). The incidence of overt HE was 13% in LPVG and 24% in RPVG (p = 0.177). Rebleeding occurred in 3 of 49 patients (6%) with variceal bleeding as an indication: 2/41 patients (4.9%) in RPVG vs 1/8 patients (12.5%) in LPVG (p = 0.417). Among 126 patients with refractory ascites 20 patients (15.9%) needed paracentesis 3 months after the procedure: 18/101 patients (17.8%) in RPVG vs 2/25 patients (8%) in LPVG (p = 0.231). Thirty-seven patients (19%) died: 32 (21%) in RPVG and 5 (14%) in LPVG (p = 0.337).</p> <p><strong>Conclusion: </strong>Compared with RPV puncture, in TIPS created through the LPV, the targeted PSG was reached with a smaller stent diameter. However, no significant difference in clinical outcomes was observed.</p>
A Pilot Study of Interventricular Septal Puncture for Cardiac Resynchronization Therapy to Treat Heart Failure
ClinicalTrials.gov study NCT01818765. IPD Sharing: Not stated. Countries: 1. Publications: 8.
Dural Puncture Epidural Versus Epidural Anesthesia for Cesarean Delivery
ClinicalTrials.gov study NCT03915574. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Jet Injection of 1% Buffered Lidocaine Versus Topical EMLA for Local Anesthesia Before Lumbar Puncture in Children
ClinicalTrials.gov study NCT01628874. IPD Sharing: Not stated. Countries: 1. Publications: 13.
Incidence of Headache Following an Unintentional Dural Puncture
ClinicalTrials.gov study NCT01977898. IPD Sharing: NO. Countries: 1. Publications: 18.
Needle-Free Jet Injection of Lidocaine During Lumbar Puncture
ClinicalTrials.gov study NCT01224431. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Feasibility Study on the Contribution of Guided Puncture With Echoendoscopy
ClinicalTrials.gov study NCT01892501. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Dose Finding Study of Remifentanil and Propofol for Lumbar Punctures in Children
ClinicalTrials.gov study NCT00213239. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of a Vibratory Stimulus on Mitigating Nociception-specific Responses to Skin Puncture in Neonates
ClinicalTrials.gov study NCT04050384. IPD Sharing: NO. Countries: 1. Publications: 4.
Ultrasound Assisted Lumbar Puncture in the Neonate
ClinicalTrials.gov study NCT02918149. IPD Sharing: NO. Countries: 1. Publications: 0.
Ethyl Chloride Vapocoolant as Anesthesia for Arterial Punctures
ClinicalTrials.gov study NCT02587143. IPD Sharing: NO. Countries: 1. Publications: 1.
Ultrasound vs Palpation for Infant Lumbar Puncture
ClinicalTrials.gov study NCT02373774. IPD Sharing: Not stated. Countries: 1. Publications: 23.
The puncture mechanics: an example from the bed bug Cimex lectularius showing traumatic insemination using the paramere
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FIGURE XII. Elytral hairs and punctures.—12, Lemula (s. str.) cyanipennis Hayashi; 13, L. (s. str.) formosana formosana sp. nov.; 14, L. (s. str.) formosana aenea subsp. nov.; 15, L. (s. str.) coerulea Gressitt; 16, L. (s. str.) simillima sp. nov.; 17, L. (s. str.) fracta Holzschuh; 18, L. (s. str.) holzschuhi sp. nov.; 19, L. (s. str.) pilifera Holzschuh; 20, L. (s. str.) par Holzschuh; 21, L. (s. str.) shaanxiensis subsp. nov.; 22, L. (s. str.) gorodinskii gorodinskii Holzschuh; 23, L. (s. str.) gorodinskii henanica Holzschuh. in Revision of the genus Lemula (Coleoptera, Cerambycidae, Lepturinae)
FIGURE XII. Elytral hairs and punctures.—12, Lemula (s. str.) cyanipennis Hayashi; 13, L. (s. str.) formosana formosana sp. nov.; 14, L. (s. str.) formosana aenea subsp. nov.; 15, L. (s. str.) coerulea Gressitt; 16, L. (s. str.) simillima sp. nov.; 17, L. (s. str.) fracta Holzschuh; 18, L. (s. str.) holzschuhi sp. nov.; 19, L. (s. str.) pilifera Holzschuh; 20, L. (s. str.) par Holzschuh; 21, L. (s. str.) shaanxiensis subsp. nov.; 22, L. (s. str.) gorodinskii gorodinskii Holzschuh; 23, L. (s. str.) gorodinskii henanica Holzschuh.
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