Background: There is a lack of consensus and very little published guidance on the management of a low-lying or malpositioned intrauterine contraceptive device (IUD) or system (IUS).
Methods And Results: A short e-mail questionnaire sent to senior medical staff working in contraceptive services confirmed the variation in views and management of this clinical area. Almost all respondents would replace an IUD/IUS lying either totally or partially in the cervical canal. The nearer the device was to the fundus the more likely respondents were to leave it in situ and there was less concern if the device was an IUS, presumably in view of the hormonal action. In the presence of abnormal bleeding or pain, most respondents would look for other causes rather than assume that the low-lying device was to blame. Respondents expressed uncertainty as to whether low-lying devices were more likely to fail or not and around half the respondents felt that low-lying devices could migrate upwards within the cavity.
Conclusion: This survey highlighted the need for accurate evidence-based guidance to assist in this area of clinical contraceptive practice.
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http://dx.doi.org/10.1136/jfprhc-2012-100384 | DOI Listing |
JBJS Essent Surg Tech
January 2025
The Ohio State University College of Medicine, Columbus, Ohio.
Background: An all-inside endoscopic flexor hallucis longus (FHL) tendon transfer is indicated for the treatment of chronic, full-thickness Achilles tendon defects. The aim of this procedure is to restore function of the gastrocnemius-soleus complex while avoiding the wound complications associated with open procedures.
Description: This procedure can be performed through 2 endoscopic portals, a posteromedial portal (the working portal) and a posterolateral portal (the visualization portal).
ChemSusChem
December 2024
School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China.
Benzothiadiazole (BT) has shown promising applications in fullerene solar cells. However, few BT-based polymer donors exhibited a noticeable power conversion efficiency (PCE) for the fused-ring small molecular acceptor-based polymer solar cells (PSCs). Herein, we developed a D-A (D: donor, A: acceptor) polymer donor F-1 based on fluorinated BT (ffBT) as A unit and chlorinated benzo [1,2-b : 4,5-b'] dithiophene (BDT-2Cl) as D unit.
View Article and Find Full Text PDFAcc Chem Res
December 2024
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
Natl Sci Rev
December 2024
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.
Crystalline solids exhibiting inherently low lattice thermal conductivity ( ) are of great importance in applications such as thermoelectrics and thermal barrier coatings. However, cannot be arbitrarily low and is limited by the minimum thermal conductivity related to phonon dispersions. In this work, we report the liquid-like thermal transport in a well-ordered crystalline CsAgTe, which exhibits an extremely low value of ∼0.
View Article and Find Full Text PDFACS Omega
October 2024
Division of Organic Electronics, Department of Chemistry, Central University of Tamil Nadu, Thiruvarur 610 005, India.
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