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Dosage of botulinum toxin in patients undergoing treatment for hemifacial spasm: is there modification during follow-up?
Arq Neuropsiquiatr
January 2025
Universidade Federal do Rio Grande do Norte, Hospital Universitário Onofre Lopes, Serviço de Neurologia, Natal RN, Brazil.
Background: The movement disorder known as hemifacial spasm is characterized by involuntary contractions of the muscles that are innervated by the facial nerve. The treatment of choice for this condition is botulinum toxin injections.
Objective: To analyze the botulinum toxin dosage in patients undergoing treatment for hemifacial spasm during a 14-year period.
Current Concepts of the Management of Painful Traumatic Peripheral Nerve Neuromas.
J Am Acad Orthop Surg
November 2024
From the Department of Hand and Reconstructive Microsurgery, National University Health System, Singapore (Lee), the Department of Orthopedic Surgery (Sammarco), the Department of Neurosurgery (Spinner), Mayo Clinic, Rochester, MN, and the Division of Hand and Microvascular Surgery, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN (Shin).
Painful neuromas are a complex clinical condition that results in notable disability and functional impairment after injury to a peripheral nerve. When regenerating axons lack a distal target, they form a stump neuroma. Up to 60% of neuromas are painful because of mechanical sensitivity and crosstalk between nerve fibers.
View Article and Find Full Text PDFInsights into Chronic Low Back Pain Etiology: Population-based genome-wide Association Study Identifies 18 Risk Loci.
Spine (Phila Pa 1976)
January 2025
Department of Research and Innovation, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway.
Study Design: Genome-wide association study (GWAS) meta-analysis with downstream analyses.
Objective: To explore the genetic architecture of chronic low back pain (cLBP) and identify underlying biological mechanisms that contribute to its development.
Summary Of Background Data: Chronic low back pain is prevalent and debilitating, with many cases having no identifiable biological cause.
Reinnervation of Free Nipple Grafts Associated With Improved Erection Function.
Plast Reconstr Surg Glob Open
January 2025
From the Division of Plastic and Reconstructive Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
Background: Most patients undergoing breast surgery with free nipple grafts lose nipple erection (NE) function. This study aimed to evaluate the effect of nerve preservation and reconstruction with targeted nipple-areola complex reinnervation (TNR) on NE following gender-affirming mastectomy with free nipple grafting.
Methods: Patients undergoing gender-affirming mastectomy with free nipple grafts were prospectively enrolled.
In vivo calcium imaging reveals directional sensitivity of C-low threshold mechanoreceptors.
J Physiol
January 2025
School of Life Sciences, The University of Nottingham, Queen's Medical Centre, Nottingham, UK.
C-low threshold mechanoreceptors (C-LTMRs) in animals (termed C-tactile (CT) fibres in humans) are a subgroup of C-fibre primary afferents, which innervate hairy skin and respond to low-threshold punctate indentations and brush stimuli. These afferents respond to gentle touch stimuli and are implicated in mediating pleasant/affective touch. These afferents have traditionally been studied using low-throughput, technically challenging approaches, including microneurography in humans and teased fibre electrophysiology in other mammals.
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