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https://www.readbyqxmd.com/read/29131778/adventures-and-misadventures-in-plastic-surgery-and-soft-tissue-implants
#1
Dana J Lin, Tony T Wong, Gina A Ciavarra, Jonathan K Kazam
Soft-tissue augmentation and implants are increasingly seen by the radiologist as more techniques emerge for a variety of indications and locations. Some surgical and implant procedures are performed for purely cosmetic reasons in otherwise healthy patients seeking to improve their body image, and some are performed for reconstruction after cancer or other chronic illnesses. Abdominoplasty, liposuction, and autologous fat grafting can be performed for abdominal and gluteal contouring. Injection of liquid injectable silicone has historically been fraught with legal issues, although it continues to be used for augmentation in a variety of anatomic locations...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29065088/preventing-facial-nerve-stimulation-by-triphasic-pulse-stimulation-in-cochlear-implant-users-intraoperative-recordings
#2
Andreas Bahmer, Youssef Adel, Uwe Baumann
HYPOTHESIS: Triphasic pulse stimulation of the auditory nerve can prevent unintended facial nerve stimulation (FNS) due to a different electromyographic (EMG) input-output function compared with biphasic pulses. BACKGROUND: FNS is sometimes observed in cochlear implant (CI) users as an unpleasant side effect of electrical stimulation using biphasic pulse patterns (BPP). Clinical remedies to alleviate FNS are 1) to extend stimulus phase duration or 2) to completely deactivate the electrode...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29059143/polyalkylimide-a-nonstable-filler-over-time
#3
Leonie W Schelke, Peter J Velthuis, Marijke R van Dijk
BACKGROUND: Polyalkylimide hydrogel is supposed to be a permanent, biocompatible implant. However, years after subcutaneous implantation clinical complications are seen. OBJECTIVE: To increase the understanding of the changes that occur over time in this subdermal implanted filler. MATERIALS AND METHODS: The extruded filler material of 34 patients was evaluated by histologic examination. RESULTS: In most patients who had cosmetic disturbances but no complaints, histology showed no immune cells in or around the filler material...
October 20, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28990317/an-in-vitro-and-in-vivo-characterization-of-fine-we43b-magnesium-wire-with-varied-thermomechanical-processing-conditions
#4
Adam J Griebel, Jeremy E Schaffer, Tracy M Hopkins, Alaa Alghalayini, Tinomudaishe Mkorombindo, Kolade O Ojo, Zhigang Xu, Kevin J Little, Sarah K Pixley
Absorbable implants made of magnesium alloys may revolutionize surgical intervention, and fine magnesium wire will be critical to many applications. Functionally, the wires must have sufficient mechanical properties to withstand implantation and in-service loading, have excellent tissue tolerance, and exhibit an appropriate degradation rate for the application. Alloy chemistry and thermomechanical processing conditions will significantly impact the material's functional performance, but the exact translation of these parameters to implant performance is unclear...
October 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28986072/contraception-after-medication-abortion-in-the-united-states-results-from-a-cluster-randomized-trial
#5
Corinne H Rocca, Suzan Goodman, Daniel J Grossman, Kara Cadwallader, Kirsten M J Thompson, Elizabeth Talmont, J Joseph Speidel, Cynthia C Harper
BACKGROUND: Understanding how contraceptive choices and access differ for women having medication abortions compared with aspiration procedures can help to identify priorities for improved patient-centered postabortion contraceptive care. OBJECTIVE: The objective of this study was to investigate the differences in contraceptive counseling, method choices, and the use between medication and aspiration abortion patients. STUDY DESIGN: This subanalysis examines data from 643 abortion patients from 17 reproductive health centers in a cluster, randomized trial across the United States...
October 3, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28980174/a-24-month-evaluation-of-a-percutaneous-osseointegrated-limb-skin-interface-in-an-ovine-amputation-model
#6
Sujee Jeyapalina, James Peter Beck, Jayant Agarwal, Kent N Bachus
Percutaneous osseointegrated (OI) prostheses directly connect an artificial limb to the residual appendicular skeleton via a permanently implanted endoprosthesis with a bridging connector that protrudes through the skin. The resulting stoma produces unique medical and biological challenges. Previously, a study using a large animal amputation model indicated that infection could be largely prevented, for at least a 12-month period, but the terminal epithelium continued to downgrow. The current study was undertaken to test the longer-term efficacy of this implant construct to maintain a stable skin-implant interface for 24 months...
October 4, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28976797/temporal-trends-in-the-uptake-and-continuation-of-the-etonogestrel-implant-in-a-large-private-practice-setting
#7
David L Howard, Avery Ford, Sonia Ceballos, K Warren Volker
OBJECTIVE: To assess temporal trends in the uptake and continuation of the etonogestrel subdermal implant in a large private practice setting. METHODS: This was a retrospective cohort study based on billing records from a large multispecialty private practice in Las Vegas, Nevada. We looked at women of all ages seeking long-acting reversible contraception (LARC) between January 1, 2013, and December 31, 2016. The main outcome measure was uptake of the etonogestrel subdermal implant, expressed as a fraction of all insertions of LARC across four calendar years (2013-2016)...
October 4, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28938375/difficult-implant-removals
#8
Amy Voedisch, Michele Hugin
PURPOSE OF REVIEW: Subdermal contraceptive implant insertions have rapidly increased worldwide. These devices are usually removed 3-5 years after insertion. Although removals are generally straightforward, difficult removals can occur. This review discusses the overall approach to potentially problematic removals and the appropriate steps to avoid complications and safely remove implants. RECENT FINDINGS: Given the rapid uptake of contraceptive implants and subsequent need for removals, an Implants Removal Task Force was formed to create standard protocols for difficult implant removals worldwide...
December 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28894357/advances-in-the-delivery-of-buprenorphine-for-opioid-dependence
#9
REVIEW
Richard N Rosenthal, Viral V Goradia
Opioid use disorders (OUDs) have long been a global problem, but the prevalence rates have increased over 20 years to epidemic proportions in the US, with concomitant increases in morbidity and all-cause mortality, but especially opioid overdose. These increases are in part attributable to a several-fold expansion in the prescription of opioid pain medications over the same time period. Opioid detoxification and psychosocial treatments alone have each not yielded sufficient efficacy for OUD, but μ-opioid receptor agonist, partial agonist, and antagonist medications have demonstrated the greatest overall benefit in OUD treatment...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28797120/medication-eluting-devices-for-the-field-of-obgyn-medobgyn-3d-printed-biodegradable-hormone-eluting-constructs-a-proof-of-concept-study
#10
Karthik Tappa, Udayabhanu Jammalamadaka, David H Ballard, Todd Bruno, Marissa R Israel, Harika Vemula, J Mark Meacham, David K Mills, Pamela K Woodard, Jeffery A Weisman
3D printing has the potential to deliver personalized implants and devices for obstetric and gynecologic applications. The aim of this study is to engineer customizable and biodegradable 3D printed implant materials that can elute estrogen and/or progesterone. All 3D constructs were printed using polycaprolactone (PCL) biodegradable polymer laden with estrogen or progesterone and were subjected to hormone-release profile studies using ELISA kits. Material thermal properties were tested using thermogravimetric analysis and differential scanning calorimetry...
2017: PloS One
https://www.readbyqxmd.com/read/28796678/socioeconomic-status-as-a-risk-factor-for-unintended-pregnancy-in-the-contraceptive-choice-project
#11
Abigail Iseyemi, Qiuhong Zhao, Colleen McNicholas, Jeffrey F Peipert
OBJECTIVE: To evaluate the association of low socioeconomic status as an independent risk factor for unintended pregnancy. METHODS: We performed a secondary analysis of data from the Contraceptive CHOICE project. Between 2007 and 2011, 9,256 participants were recruited and followed for up to 3 years. The primary outcome of interest was unintended pregnancy; the primary exposure variable was low socioeconomic status, defined as self-report of either receiving public assistance or having difficulty paying for basic necessities...
September 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28781503/probuphine-buprenorphine-subdermal-implants-for-the-treatment-of-opioid-dependent-patients
#12
Lillian Smith, Juan Mosley, Jasmine Johnson, Monica Nasri
Probuphine (buprenorphine) subdermal implants for the treatment of opioid-dependent patients.
August 2017: P & T: a Peer-reviewed Journal for Formulary Management
https://www.readbyqxmd.com/read/28666796/etonogestrel-contraceptive-implant-associated-secondary-anorgasmia
#13
Hector O Chapa, Alexiya Ramirez, Daniel Dawson
The etonogestrel contraceptive implant is a 4-cm radio-opaque subdermal rod, inserted in the nondominant arm, providing up to 3 years of continuous contraception. We describe a 21-year-old nulligravid, nondepressed female who experienced new-onset secondary anorgasmia 1 month after etonogestrel insertion. Off-label, oral use of bupropion and sildenafil did not restore orgasmic ability. Finally, 1 week after implant removal (4½ months after insertion), spontaneous return of orgasmic ability occurred. Anorgasmia after etonogestrel implant use is a rare adverse event; nonetheless, clinicians should be alert to its possibility...
October 2017: Contraception
https://www.readbyqxmd.com/read/28605952/migration-of-contraceptive-implant-into-the-left-pulmonary-arterial-system
#14
Ee Phui Kew, Eshan Senanayake, Madava Djearaman, Ehab Bishay
An 18-year-old woman had an etonogestrel implant inserted into her left upper arm 2 years earlier for menorrhagia. Her symptoms were not well controlled and she requested the implant to be removed. However, clinicians were unable to locate the implant on her left arm. Computed tomography showed that the implant had migrated to a sub-lobar branch of the left lower lobe pulmonary artery. The long-term effect of leaving an etonogestrel implant in the pulmonary arterial system is unknown. This report adds to the small body of evidence on intravascular migration of a subdermally placed contraceptive implant...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28604141/cost-effectiveness-of-subdermal-implantable-buprenorphine-versus-sublingual-buprenorphine-to-treat-opioid-use-disorder
#15
John A Carter, Ryan Dammerman, Michael Frost
AIMS: Subdermal implantable buprenorphine (BSI) was recently approved to treat opioid use disorder (OUD) in clinically-stable adults. In the pivotal clinical trial, BSI was associated with a higher proportion of completely-abstinent patients (85.7% vs 71.9%; p = .03) vs sublingual buprenorphine (SL-BPN). Elsewhere, relapse to illicit drug use is associated with diminished treatment outcomes and increased costs. This study evaluated the cost-effectiveness of BSI vs SL-BPN from a US societal perspective...
June 22, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28594755/contraception-insurance-coverage-and-receipt-of-long-acting-reversible-contraception-or-depot-medroxyprogesterone-acetate-on-the-day-of-abortion
#16
Jamie W Krashin, Gretchen S Stuart, Joanne Garrett, Hannah Spector, Amy G Bryant, Samantha Charm, Jessica E Morse
OBJECTIVE: To evaluate whether contraceptive insurance coverage for women who present for an abortion is associated with obtaining long-acting reversible contraception or depot medroxyprogesterone acetate (DMPA) on the day the abortion is completed. METHODS: We conducted a prospective cohort study of women presenting for medical or surgical abortion at a single health center in North Carolina. Eligible women were 18 years or older and fluent in English or Spanish...
July 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28583591/difficult-removal-of-subdermal-contraceptive-implants-a-multidisciplinary-approach-involving-a-peripheral-nerve-expert
#17
Elizabeth B Odom, David L Eisenberg, Ida K Fox
OBJECTIVES: We aim to describe our experiences and identify patients who may benefit from referral to a peripheral nerve surgeon for removal of contraceptive subdermal implants in which neurovascular injury may occur, and describe a treatment pathway for optimal care. STUDY DESIGN: We reviewed the charts of 22 patients who were referred to the Division of Family Planning for difficult removal of etonogestrel contraceptive implants between January 1, 2014, and April, 1 2016...
August 2017: Contraception
https://www.readbyqxmd.com/read/28567091/effect-of-rosuvastatin-on-bovine-pericardial-aortic-tissue-valve-calcification-in-a-rat-subdermal-implantation-model
#18
Seung Hyun Lee, Dae-Hyun Kim, Young-Nam Youn, Sak Lee, Hyun Chel Joo, Byung Chul Chang, Kyung-Jong Yoo
BACKGROUND AND OBJECTIVES: There are pathophysiologic similarities between calcification and atherosclerosis because both are the product of an active inflammatory process. The aim of this study was to examine the effects of statin treatment on calcification in bovine pericardial tissue valves. MATERIALS AND METHODS: Forty Sprague-Dawley rats were randomly divided into 4 groups according to hypercholesterolemia induction and statin intake (Group 1, n=10: normal diet without statin treatment, Group 2, n=10: normal diet with statin treatment, Group 3, n=10: high fat diet without statin treatment, Group 4, n=10: high fat diet with statin treatment)...
May 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28546740/new-developments-in-managing-opioid-addiction-impact-of-a-subdermal-buprenorphine-implant
#19
REVIEW
MariaLisa Itzoe, Michael Guarnieri
Opioid addiction to prescription and illicit drugs is a serious and growing problem. In the US alone, >2.4 million people suffer from opioid use disorder. Government and pharmaceutical agencies have begun to address this crisis with recently released and revised task forces and medication-assisted therapies (MAT). For decades, oral or intravenous (IV) MATs have helped patients in their recovery by administration of opioid agonists (methadone, buprenorphine, oxycodone), antagonists (naltrexone, naloxone), and combinations of the two (buprenorphine/naloxone)...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28534019/migration-of-a-contraceptive-subdermal-device-into-the-lung
#20
Ji Hui Choi, Ha-Yeon Kim, Sung Soo Lee, SiHyun Cho
A single-rod subdermal contraceptive implant is usually located around the insertion site, has been usually known to migrate within less than 2 cm of the insertion site and the true migration over 2 cm has been rarely reported. We report a case of migrated radiopaque subdermal contraceptive implant into lung in a 37-year-old woman. On conducted chest computed tomography, subdermal contraceptive implant was in subsegmental branch in left posterior basal segment of lung. Removal of subdermal contraceptive implant in left posterior basal segment of lung by mini-thoracotomy was performed by a chest surgeon...
May 2017: Obstetrics & Gynecology Science
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