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Subdermal implant

Esther López Del Cerro, Carolina Serrano Diana, Ana María Castillo Cañadas, Esteban González Mirasol, Francisco García Santos, María Teresa Gómez García, Gaspar González de Merlo
The use of long-acting contraceptive methods is on the rise. The aim of this study was to describe the main variables (effectiveness, tolerability, menstrual bleeding) associated with the use of subdermal contraceptive implants and to investigate the influence of age on these variables. This was a descriptive, retrospective, observational study of 221 cases of contraceptive implants inserted at a Spanish hospital between 2006 and 2015. The mean age of implant users was 31.2 ± 7.5 years. Effectiveness was 100% and good tolerability was recorded for 86...
March 19, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Gabriel T Gao, William Binder
Nexplanon is a long-acting 4cm radio-opaque rod shaped contraceptive device implanted in the subdermal layer of the inner, upper arm. Complications from implantation are uncommon and mostly local and minor, including infection at the implantation site with resulting cellulitis or abscess, hematoma, abnormal scar formation, or local damage to nerves and blood vessels. Intravascular insertion is estimated to be at 1.3 per million Nexplanon implants, and migration and embolization is a rare complication of this device...
March 3, 2018: American Journal of Emergency Medicine
Bo Geng, Jian Dong, Winnie Jensen, Strahinja Dosen, Dario Farina, Ernest Nlandu Kamavuako
This paper evaluated the psychophysical properties of subdermal electrical stimulation to investigate its feasibility in providing sensory feedback for limb prostheses. The detection threshold (DT), pain threshold (PT), just noticeable difference (JND), as well as the elicited sensation quality, comfort, intensity, and location were assessed in 16 healthy volunteers during stimulation of the ventral and dorsal forearm with subdermal electrodes. Moreover, the results were compared with those obtained from transcutaneous electrical stimulation...
March 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
Kate Reiss, Suzanne Penfold, Olalere Alabi, Moazzam Ali, Kristen Hopkins, Thoai Dinh Ngo, Kingsley Odogwu, Megan Douthwaite, Onoriode Ezire, Uko Udoh, Effiom Effiom, Erik S Munroe
BACKGROUND: As part of its Family Planning 2020 commitment, the Nigerian government is aiming for a contraceptive prevalence rate of 36% by 2018, and in 2014, approved a policy to allow community health extension workers (CHEWs), in addition to doctors, nurses, and midwives, to provide contraceptive subdermal implants. There is a lack of rigorous evidence on the safety of long-acting reversible contraceptive provision, such as implants, among lower cadres of health providers. OBJECTIVE: This study aimed to compare implant provision by CHEWs versus nurses and midwives up to 14 days post insertion...
March 2, 2018: JMIR Research Protocols
Brett L Worly, Tamar L Gur, Jonathan Schaffir
OBJECTIVE: We performed a systematic review to look for an association between progestin-only contraception and depression. METHODS: We searched PubMed, Ovid and Web of Science for English-language articles including progestin-only contraception and depression from database inception to September 2016. We evaluated study quality with the procedures guiding reviews for the United States Preventive Services Task Force and the Cochrane Risk of Bias Tools. We included studies that evaluated progestin-only contraception and depression, focusing on externally validated depression measures...
February 20, 2018: Contraception
Risa L Fridy, Sofya Maslyanskaya, Sylvia Lim, Susan M Coupey
OBJECTIVE: A 2014 American Academy of Pediatrics (AAP) Policy Statement identified long-acting reversible contraceptives (LARC) as first-line choices for adolescents, but pediatricians' current knowledge and practices about intrauterine devices (IUDs) and subdermal contraceptive implants (Implants) is unknown. We aimed to characterize pediatricians' knowledge and practices about LARCs for adolescents. DESIGN, SETTING, PARTICIPANTS: Cross-sectional online survey emailed to a convenience sample of AAP member pediatricians in New York, Utah, Illinois, and Kansas in 2015 & 2016...
January 31, 2018: Journal of Pediatric and Adolescent Gynecology
M Pleaner, C Morroni, J Smit, N Lince-Deroche, M Chersich, S Mullick, D Pillay, M Makua, H Rees
In 2014, South Africa (SA) introduced the subdermal contraceptive implant with the aim of expanding the contraceptive method mix and availability of long-acting reversible methods in the public sector. Three years on, concerns have been raised about the decline in uptake, early implant removals and challenges in service delivery. This article explores the lessons learnt from the introduction of contraceptive technologies elsewhere and applies these to the SA context. Drawing on the World Health Organization’s conceptual framework for the introduction of new contraceptive methods, and subsequent literature on the topic, lessons are classified into six cross-cutting themes...
October 1, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
D Pillay, C Morroni, M Pleaner, O Adeogba, M Chersich, N Naidoo, S Mullick, H Rees
Background. Implanon NXT, a long-acting subdermal contraceptive implant, was introduced in South Africa (SA) in early 2014 as part of an expanded contraceptive method mix. After initial high levels of uptake, reports emerged of frequent early removals and declines in use. Monitoring of progress and challenges in implant service delivery could identify aspects of the programme that require strengthening. Objectives. To assess data management and record keeping within implant services at primary care facilities...
October 1, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
O Adeagbo, S Mullick, D Pillay, M Chersich, C Morroni, N Naidoo, M Pleaner, H Rees
Background. The South African (SA) government introduced Implanon NXT, a long-acting subdermal contraceptive implant, in 2014 to expand contraceptive choice. Following an initial high uptake, its use declined considerably amid reports of early removals and frequent side-effects. We examine providers’ perceptions of training and attitudes towards Implanon NXT, as well as their views on the causes of early removals and the impact on the implant service. Objective. To assess healthcare providers’ perceptions and attitudes towards implant services in SA...
October 1, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
Ji Ung Park, Han Sol Bae, Seung Mi Lee, Jaehoon Bae, Jeong Woo Park
RATIONALE: To report the distant migration of a subdermal contraceptive implant and to suggest that C arm-guided technique is one of the feasible options for removal of the device migrated to the axilla. PATIENT CONCERNS: A 41-year-old multipara with tingling sensation in the left axilla was referred for removal of an Implanon NXT which could not be palpated by physical examination or detected by ultrasound scanning. Finally, the device was detected by computed tomography and found migrating to the left axilla...
December 2017: Medicine (Baltimore)
Pierre Laumonerie, Laurent Blasco, Meagan E Tibbo, Olivier Leclair, Panagiotis Kerezoudis, Elodie Chantalat, Pierre Mansat
BACKGROUND: Despite the demonstrable safety and efficacy of subdermal contraceptive implants (SCI), both insertion and removal of SCI in the arm have been associated with neurovascular complications. The primary aim of this study is to investigate the type and prognosis of nerve injuries associated with SCI. METHODS: The authors performed a comprehensive search of 4 electronic databases for studies pertaining to patients with nerve injury and concurrent SCI. Studies published between January 1987 and June 2017 were included...
January 5, 2018: World Neurosurgery
Gretchen S Stuart, Shanthi S Ramesh
Female sterilization is relied on by nearly one in three women aged 35-44 years in the United States. Sterilization procedures are among the most common procedures that obstetrician-gynecologists perform. The most frequent sterilization procedures include postpartum tubal ligation, laparoscopic tubal disruption or salpingectomy, and hysteroscopic tubal occlusion. The informed consent process for sterilization is crucial and requires shared decision-making between the patient and the health care provider. Counseling should include the specific risks and benefits of the specific surgical approaches...
January 2018: Obstetrics and Gynecology
Margaret Thew
Long-acting reversible contraception, which include etonogestrel subdermal hormonal implants, has high efficiency rates in preventing teen pregnancy. Although these numbers are increasing, teens have the lowest long-acting reversible contraception usage rate of any group, which the American Congress of Obstetricians and Gynecologists addressed with recommendations for Nexplanon placement for teens. The American Congress of Obstetricians and Gynecologists has recommended support for increased use and training of practitioners and pediatricians to gain momentum...
2017: Global Pediatric Health
Joani M Christensen, Nicholas M Caggiano, Aviram M Giladi, Matthew L Iorio
BACKGROUND: Subdermal implantable contraceptives are highly effective, approved in over 60 countries, and used by millions of women. Due to simple insertion and removal protocols, these procedures are often performed in the outpatient clinic setting, and procedural complications are rare. However, given the location of the implant in the medial antebrachial interval, there is a risk of neurovascular injury, especially with malpositioned or deeply placed implants. METHODS: We present a case of proximal median nerve injury leading to severe neuropathy after attempted removal of a subdermal implantable contraceptive requiring neurolysis and tendon transfers...
November 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
Michel L H T Vaena, João P Sinnecker, Thiago J S Vargas, Fernando Serra-Guimarães, Ruy G Marques
BACKGROUND: Magnetic subdermal implants have never been studied in the context of magnetic fixation of an external device to the body's surface. Excessive attractive force between the implant and the external device may compromise local circulation due to mechanical compression, leading to necrosis. OBJECTIVE: To evaluate the feasibility of transcutaneous magnetic fixation and assess secondary skin changes when subjected to a continuous static magnetic field. METHODS: Using the pig as an animal model, 72 implants were introduced in 12 animals...
December 2017: Journal of Surgical Research
Luis Bahamondes, Moazzam Ali, Ilza Monteiro, Arlete Fernandes
OBJECTIVES: Our aim was to assess national hormonal and non-hormonal contraceptive sales in Brazil after the Zika virus outbreak. METHODS: Pharmaceutical companies based in Brazil provided data on monthly sales from September 2016 to June 2017. Data from both the public and private sectors were obtained about sales of registered, available modern contraceptive methods: combined oral contraceptive pill; progestin-only pill; vaginal and transdermal contraceptives; injectable contraceptives; long-acting reversible contraceptive (LARC) methods, including the copper-releasing intrauterine device, the levonorgestrel-releasing intrauterine system and the etonogestrel-releasing subdermal implant; and emergency contraceptive pills...
October 2017: European Journal of Contraception & Reproductive Health Care
Caitlin D Gorman, Joanne Dennis, Jennifer A Heathcote
No abstract text is available yet for this article.
November 17, 2017: Journal of Family Planning and Reproductive Health Care
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
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
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.]
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