keyword
https://read.qxmd.com/read/38050262/platelet-rich-gel-versus-external-tissue-expansion-technique-in-treating-scalp-defects-a-retrospective-study
#21
JOURNAL ARTICLE
Tao Ai, Jianbai Wang, Yanan Xu
Reconstruction of scalp defects is a complicated and challenging procedure for reconstructive surgeons. This retrospective observational study assessed the effectiveness of using platelet-rich gel (PRG) versus the external tissue expansion technique (TET) in reconstructing scalp defects. The clinical data of 24 patients with scalp defects treated with PRG or external TET were collected from September 2018 to March 2022. Data on the wound characteristics, wound healing time, cost of treatment, visual analog scale, and observed wound healing status were collected...
December 1, 2023: Medicine (Baltimore)
https://read.qxmd.com/read/38044307/development-of-physiologically-relevant-skin-organoids-from-human-induced-pluripotent-stem-cells
#22
JOURNAL ARTICLE
Abbas Shafiee, Jane Sun, Imaan A Ahmed, Felicia Phua, Gustavo R Rossi, Cheng-Yu Lin, Fernando Souza-Fonseca-Guimaraes, Ernst J Wolvetang, Jason Brown, Kiarash Khosrotehrani
The development of skin organs for studying developmental pathways, modeling diseases, or regenerative medicine purposes is a major endeavor in the field. Human induced pluripotent stem cells (hiPSCs) are successfully used to derive skin cells, but the field is still far from meeting the goal of creating skin containing appendages, such as hair follicles and sweat glands. Here, the goal is to generate skin organoids (SKOs) from human skin fibroblast or placental CD34+ cell-derived hiPSCs. With all three hiPSC lines, complex SKOs with stratified skin layers and pigmented hair follicles are generated with different efficacies...
December 3, 2023: Small
https://read.qxmd.com/read/38032251/effects-at-cellular-level-of-epilation-with-various-laser-wavelengths-applied-simultaneously-on-different-skins-two-case-reports
#23
JOURNAL ARTICLE
Patrícia Froes Meyer, Rafaella Rêgo Maia, Rodrigo Marcel Valentim da Silva, Eneida de Morais Carreiro, Stephany Luanna Queiroga Farias, Dawson Henriques Malveira, Ciro Dantas Soares, Kelle Franciane Alves Soares, Graziele Maia Alves Serafim, Glenda Maria Correia de Oliveira, Cristina Mendes Silveira, Karla Maia Malveira, Brenda S Mansilla, Eduardo Pereira de Azevedo, Larissa Nobre de Melo
This study evaluated the effects of laser application of diverse wavelengths applied simultaneously and on different skins. The sample included two participants, a woman with light skin with abdominal hair and a woman with dark skin and hair on the inner part of the lower limbs, who received a laser therapy session. After 45 days from laser application, abdominoplasty and thigh dermolipectomy surgery were performed. In the control sample, the hair follicles were in the anagen phase, showing the presence of Bcl-2 expression...
November 30, 2023: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/38024230/intraoperative-bioprinting-of-human-adipose-derived-stem-cells-and-extra-cellular-matrix-induces-hair-follicle-like-downgrowths-and-adipose-tissue-formation-during-full-thickness-craniomaxillofacial-skin-reconstruction
#24
JOURNAL ARTICLE
Youngnam Kang, Miji Yeo, Irem Deniz Derman, Dino J Ravnic, Yogendra Pratap Singh, Mecit Altan Alioglu, Yang Wu, Jasson Makkar, Ryan R Driskell, Ibrahim T Ozbolat
Craniomaxillofacial (CMF) reconstruction is a challenging clinical dilemma. It often necessitates skin replacement in the form of autologous graft or flap surgery, which differ from one another based on hypodermal/dermal content. Unfortunately, both approaches are plagued by scarring, poor cosmesis, inadequate restoration of native anatomy and hair, alopecia, donor site morbidity, and potential for failure. Therefore, new reconstructive approaches are warranted, and tissue engineered skin represents an exciting alternative...
March 2024: Bioactive Materials
https://read.qxmd.com/read/38021319/botulinum-toxin-a-for-hair-loss-treatment-a-systematic-review-of-efficacy-safety-and-future-directions
#25
REVIEW
Ramadan S Hussein, Salman Bin Dayel, Othman Abahussein
BACKGROUND: Hair loss is a common condition with significant impact globally, yet its treatment efficacy and safety remain debated. Botulinum toxin A (BoNT-A) has emerged as a potential therapeutic option, but a comprehensive review on this topic is lacking . OBJECTIVE: This review critically evaluates the current evidence on BoNT-A for hair loss treatment, highlighting the gaps in previous reviews and providing a comprehensive analysis of its efficacy, safety, and future prospects...
December 2023: JPRAS Open
https://read.qxmd.com/read/38011870/photobiomodulation-and-alopecia-a-crowdsourced-survey-study-on-patient-preferences
#26
JOURNAL ARTICLE
Briana Paiewonsky, Margo Winter, Maria Hordinsky, MacKenzie Griffith, Ronda S Farah
Photobiomodulation is a treatment option for hair loss and is currently FDA cleared for androgenetic alopecia. There are a variety of photobiomodulation devices intended for at-home patient use. However, data examining user preferences is lacking. A social media-based, online survey study was completed to understand patient preferences when selecting a photobiomodulation device. Secondary outcomes examined patient experience with the device. Sixty participants responded to the 21-question survey. The majority of participants had never used a photobiomodulation device ( n  = 50; 86...
November 27, 2023: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/38006172/hair-reinforced-elastomer-matrix-composites-formulation-mechanical-testing-and-advanced-microstructural-characterization
#27
JOURNAL ARTICLE
Eugene S Statnik, Julijana Cvjetinovic, Semen D Ignatyev, Loujain Wassouf, Alexey I Salimon, Alexander M Korsunsky
Epoxy matrix composites reinforced with high-performance fibers, such as carbon, Kevlar, and glass, exhibit excellent specific stiffness and strength in many mechanical applications. However, these composites are disappointingly non-recyclable and are usually disposed of in landfill sites, with no realistic prospect for biodegradation in a reasonable time. In contrast, moldable composites with carbonized elastomeric matrices developed in the last decades possess attractive mechanical properties in final net-shape products and can also be incinerated or recycled...
November 17, 2023: Polymers
https://read.qxmd.com/read/37995151/new-insights-into-the-anatomy-of-the-eyelashes-with-regard-to-ethnic-differences-against-a-clinical-background
#28
JOURNAL ARTICLE
Swati Singh, Christian M Hammer, Friedrich Paulsen
BACKGROUND: To investigate the root depth, root angle, and light and scanning electron microscopical anatomy of human eyelashes relevant to eyelash ablation. METHODS: Eyelash root depth, the angle between eyelash root and skin epithelium, spatial relationship, and scanning electron microscopical features of the eyelashes were studied on 4 upper and 4 lower eyelids of Caucasian (n = 4) and Indian (n = 4) cadaver heads according to a set protocol. RESULTS: There were significant differences in the mean eyelash root depth between Indians (2...
November 23, 2023: Ophthalmic Plastic and Reconstructive Surgery
https://read.qxmd.com/read/37983981/stem-cell-derived-conditioned-medium-for-alopecia-a-systematic-review-and-meta-analysis
#29
REVIEW
Wei-Ying Chien, Hui-Min Huang, Yi-No Kang, Kee-Hsin Chen, Chiehfeng Chen
BACKGROUND: Alopecia is a common and distressing medical condition that has been related to psychiatric disorders. Stem cell-derived conditioned medium (CM), a novel therapy for hair regeneration, has shown effectiveness in several trials. METHODS: This meta-analysis aims to explore the effectiveness of stem cell-derived CM in improving hair growth for patients of alopecia. We prospectively registered this systematic review and meta-analysis in PROSPERO (CRD42023410249)...
October 15, 2023: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://read.qxmd.com/read/37977675/the-effects-of-cosmetic-procedures-on-the-youth
#30
REVIEW
Leena Amiri, Syed Fahad Javaid, Alia Galadari, Hassan I Galadari
Cosmetic procedures involve the maintenance, restoration, or enhancement of one's physical appearance through surgical or medical techniques. Restorative or reconstructive procedures, on the other hand, are essential procedures that restore normal function or appearance to abnormal structures caused by trauma or infection. Cosmetic procedures are generally elective and may either be surgical or nonsurgical. Nonsurgical or minimally invasive cosmetic procedures include laser hair or tattoo removal, chemical peeling, micro-dermabrasion, and soft tissue augmentation with injectables...
January 2024: Dermatologic Clinics
https://read.qxmd.com/read/37974345/-chinese-expert-consensus-on-the-diagnosis-and-treatment-of-sacrococcygeal-pilonidal-disease-2023-edition
#31
JOURNAL ARTICLE
(no author information available yet)
Sacrococcygeal pilonidal disease(SPD) is an acquired disease intimately related to the presence of hair in the gluteal groove. Although its pathogenesis is still controversial, numerous treatment options are available for SPD including gluteal groove and surrounding skin hair removal, sinusectomy, open healing by secondary intention, primary closure, and local excision with flap reconstruction. Lacking of standardized diagnosis and treatment processes of SPD in China, Chinese Medical Doctor Association Anorectal Branch and its Clinical Guidelines Committee jointly organized experts in this field to form expert consensus opinion on the basis of summarizing latest research progress in China and abroad, experts' clinical experience and principles of evidence-based medicine...
November 25, 2023: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://read.qxmd.com/read/37972973/recent-fluctuations-in-public-searches-for-cosmetic-procedures-as-shown-by-google-trends
#32
JOURNAL ARTICLE
Angela J Oh, Daniel B Rootman
PURPOSE: The goal of this study is to understand the dynamic trends of 20 cosmetic procedures in the United States using Google Trends. METHODS: This was a descriptive cross-sectional study using Google Trends to measure changes in search volumes for 20 cosmetic procedures from a 5-year period (2018 to 2023) in the United States. Outcome measures included total and weekly changes in relative search volumes and variance levels for the following 20 search terms related to cosmetic surgeries: blepharoplasty, botox, breast augmentation, breast lift, brow lift, buccal fat removal, chemical peel, dermal filler, face lift, hair removal, hair transplant, lip filler, liposuction, masseter botox, microneedling, otoplasty, photofacial, rhinoplasty, tear trough filler, and tummy tuck...
November 16, 2023: Ophthalmic Plastic and Reconstructive Surgery
https://read.qxmd.com/read/37964923/hair-transplantation-in-the-united-states-a-population-based-survey-of-female-and-male-pattern-baldness
#33
JOURNAL ARTICLE
Leonard Knoedler, Felix Ruppel, Martin Kauke-Navarro, Doha Obed, Mengfan Wu, Lukas Prantl, P Niclas Broer, Adriana C Panayi, Samuel Knoedler
BACKGROUND: Androgenetic alopecia, the most common type of hair loss, can impair the patient's overall mental health. Although there are pharmaceutical and surgical treatments available, little is known about the public standpoint toward hair transplantation (HT). METHODS: A sample of individuals living in the United States (n = 1000; male and female participants were equally distributed) was asked to fill out the questionnaire. The online survey was conducted in June 2022...
November 2023: Plastic and Reconstructive Surgery. Global Open
https://read.qxmd.com/read/37955631/hair-thread-strangulation-syndrome-in-childhood-a-systematic-review
#34
JOURNAL ARTICLE
Daniela Djokic, Gregorio P Milani, Sebastiano A G Lava, Gianluca Gualco, Teresa Corigliano, Mario G Bianchetti, Camilla Lavagno
INTRODUCTION: Hair-thread strangulation syndrome describes the constriction of a body part by a tightly wound hair or thread. This research aims to review the literature about this entity. METHODS:  A systematic review was performed to characterise hair-thread strangulation syndrome in subjects aged ≤16 years. This pre-registered review (PROSPERO ID: CRD42022363996) followed the PRISMA methodology. RESULTS: Subjects with digital strangulation were significantly younger (median = 4...
November 9, 2023: Swiss Medical Weekly
https://read.qxmd.com/read/37950506/combatting-ageing-in-dermal-papilla-cells-and-promoting-hair-follicle-regeneration-using-exosomes-from-human-hair-follicle-dermal-sheath-cup-cells
#35
JOURNAL ARTICLE
Fang Liu, Si Liu, Xiaohua Luo, Zirui Fan, Shaobin Huang, Fangqi Deng, Huanliang Liu, Ge Shi
Dermal papilla cells (DPCs) undergo premature ageing in androgenetic alopecia and senescent alopecia. As critical components of hair follicle reconstruction, DPCs are also prone to senescence in vitro, resulting in a diminished hair follicle inductivity capacity. Dermal sheath cup cells (DSCCs), a specific subset of hair follicle mesenchymal stem cells, intimately linked to the function of DPCs. The primary objective of this research is to investigate the anti-ageing effect of exosomes derived from DSCCs (ExoDSCCs ) on DPCs...
November 10, 2023: Experimental Dermatology
https://read.qxmd.com/read/37945811/ultrastructure-of-noise-induced-cochlear-synaptopathy
#36
JOURNAL ARTICLE
Daniel J Moverman, Leslie D Liberman, Stephan Kraemer, Gabriel Corfas, M Charles Liberman
Acoustic overexposure can eliminate synapses between inner hair cells (IHCs) and auditory nerve fibers (ANFs), even if hair-cell function recovers. This synaptopathy has been extensively studied by confocal microscopy, however, understanding the nature and sequence of damage requires ultrastructural analysis. Here, we used focused ion-beam scanning electron microscopy to mill, image, segment and reconstruct ANF terminals in mice, 1 day and 1 week after synaptopathic exposure (8-16 kHz, 98 dB SPL)...
November 9, 2023: Scientific Reports
https://read.qxmd.com/read/37941457/evolution-of-the-thermostability-of-actin-depolymerizing-factors-enhances-the-adaptation-of-pollen-germination-to-high-temperature
#37
JOURNAL ARTICLE
Dong Qian, Tian Li, Shuyuan Chen, Dongshi Wan, Yongxing He, Chen Zheng, Jiajing Li, Zhenping Sun, Jiejie Li, Junxia Sun, Yingzhi Niu, Hongxia Li, Muxuan Wang, Yue Niu, Yang Yang, Lizhe An, Yun Xiang
Double fertilization in many flowering plants (angiosperms) often occurs during the hot summer season, but the mechanisms that enable angiosperms to adapt specifically to high temperatures are largely unknown. The actin cytoskeleton is essential for pollen germination and the polarized growth of pollen tubes, yet how this process responds to high temperatures remains unclear. Here, we reveal that the high thermal stability of 11 Arabidopsis (Arabidopsis thaliana) actin-depolymerizing factors (ADFs) is significantly different: ADFs that specifically accumulate in tip-growing cells (pollen and root hairs) exhibit high thermal stability...
November 6, 2023: Plant Cell
https://read.qxmd.com/read/37925918/hair-follicle-extraction-combined-with-an-expanded-scalp-flap-for-facial-organ-reconstruction
#38
JOURNAL ARTICLE
Demengjie Le, Yuyang Gan, Xiaoyan Mao, Qian Qu, Zhexiang Fan, Bingcheng Liu, Pingping Sun, Jiaxian Zhang, Zhiqi Hu, Yong Miao
BACKGROUND: Use of scalp skin for facial organ reconstruction represents a mainstream procedure for organ reconstruction. In most cases, adequate amounts of skin can be obtained by using tissue expanders, but harvesting sufficient scalp tissue in patients with low hairlines is challenging. Hair follicular unit extraction (FUE) is one approach to resolve this problem. With FUE, hair follicles are removed from the scalp skin, which can then be prepared as a donor site to obtain sufficient amounts of hairless skin...
October 28, 2023: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://read.qxmd.com/read/37904273/characterization-and-risk-factors-of-folliculitis-after-hair-transplantation-a-multicenter-retrospective-study
#39
JOURNAL ARTICLE
Yi Zhou, Jiaxian Zhang, Yanhua Yi, Xiang Xie, Rui Lei, Zhexiang Fan, Pingping Sun, Zhiqi Hu, Qian Qu, Yong Miao
BACKGROUND: Postoperative folliculitis is a common complication of hair transplantation (HT) requiring effective preventive interventions. This study characterized postoperative folliculitis and determined risk factors in patients underwent HT. METHODS: We retrospectively reviewed 1317 patients who underwent HT and completed 9-month follow-up between January 2018 and June 2021 at four medical centers. The incidence of postoperative folliculitis and patient demographics were assessed...
October 31, 2023: Plastic and Reconstructive Surgery
https://read.qxmd.com/read/37878767/laser-hair-removal-for-intraoral-flaps-a-review
#40
JOURNAL ARTICLE
Arthur Falguière, Romain Lan, Christelle Manfredi, Stéphanie Wong-Hee-Kam, Nicolas Fakhry, Sébastien Salas, Fabrice Campana
Importance: Laser hair removal is a noninvasive technique that has been used for patients with oropharyngolaryngeal hair growth related to surgical flap reconstruction after head and neck cancer resection. The purpose of this work was to perform a rapid review of the literature to determine the therapeutic relevance of laser hair removal and identify laser parameters. Observations: A total of 10 publications addressing depilation of the head and neck sphere were selected and analyzed. Conclusions and Relevance: Laser therapy appears to be a promising treatment for hair removal from flaps with few side effects...
October 25, 2023: Facial plastic surgery & aesthetic medicine
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