alopecia/hypoxia

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Postoperative alopecia in five patients after treatment of aneurysm rupture with a Guglielmi detachable coil: pressure alopecia, radiation induced, or both?

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Postoperative pressure alopecia is an uncommon complication of long anesthetic surgical procedures, typically affecting the occiput and resulting from pressure-induced tissue hypoxia. Generally, it develops after procedures of long duration, of more than four hours. Most alopecia is transient, but a

New treatment for seborrheic alopecia: the ligature of the arteries of the scalp.

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Bilateral ligature of the superficial temporal arteries and of the posterior auricular arteries is proposed as a treatment for seborrheic alopecia. The arterial circulatory dynamics are, thus, replaced by capillary circulatory dynamics. Hypoxia is produced which inhibits enzymatic systems and

Hormone-induced aberrations in electromagnetic adhesion signaling as a developmental factor of androgenetic alopecia.

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In androgenetic alopecia, overactivation of the androgen hormone cascade in genetically predisposed persons leads to miniaturization of the dermal papilla of the hair follicle and to reduction in the number of papilla cells in the scalp, but the mechanisms explaining this miniaturization have

Obstructive sleep apnea, low transferrin saturation levels, and male-pattern baldness.

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BACKGROUND There are limited data on the association between obstructive sleep apnea (OSA), which is characterized by intermittent hypoxia, and male-pattern baldness (MPB). Low blood iron levels are reportedly associated with hypoxia and hair loss. This study explored a possible link among OSA, iron

Pressure-induced alopecia in pediatric patients following prolonged urological surgeries: The case reports and a review of literature.

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Postoperative alopecia has been reported as a rare complication after prolonged immobilization during general anesthesia. The constant pressure on the scalp is causative and may be exacerbated by hypoxemia or hypotension. There is a correlation between the length surgery duration under anesthesia

Pressure-Induced Alopecia: Presence of Thin Hairs as a Trichoscopic Clue for the Diagnosis.

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Pressure-induced alopecia (PA) is an unusual pattern of circumscribed hair loss that occurs after ischemic changes on the scalp. Trichoscopic findings described in the literature are scarce, nonspecific, and include black dots, broken hairs, circle hairs, and erythema. However, we report 3 cases of

Headgear-induced temporary pressure alopecia.

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The development of hair loss associated with headgear use is a rare phenomenon. Pressure alopecia is a condition characterised by localised, non-scarring hair loss attributed to a mechanical cause. Factors such as prolonged periods of peri- and postoperative immobility have been implicated, as well

A new strategy to prevent chemotherapy and radiotherapy-induced alopecia using topically applied vasoconstrictor.

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In a new strategy, we sought to determine whether topically applied vasoconstrictor, with its accompanying transient skin hypoxia and exclusion of systemic drug, would prevent or suppress radiotherapy or chemotherapy-induced alopecia. Topical vasoconstrictor was applied to 1-cm(2) skin patches on

Transcutaneous PO2 of the scalp in male pattern baldness: a new piece to the puzzle.

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Our study was designed to measure the transcutaneous PO2 of the scalp to determine if there was a relative microvascular insufficiency and associated tissue hypoxia in areas of hair loss in male pattern baldness. A controlled prospective study was performed at Butterworth Hospital, Grand Rapids,

Hypoxia improves hair inductivity of dermal papilla cells via nuclear NADPH oxidase 4-mediated reactive oxygen species generation'.

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Dermal papilla cells (DPCs) play a key role in hair regeneration and morphogenesis. Therefore, tremendous efforts have been made to promote DPC hair inductivity.The aim of this study was to investigate the mitogenic and hair inductive effects of hypoxia on

Possible Therapeutic Effects of Ozone Mixture on Hypoxia in Tumor Development.

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Recent literature highlights that ozone therapy could be considered a viable adjuvant therapy in oncological patients receiving radio-chemotherapy. The use of ozone therapy in these patients enhances the action of chemotherapy and at the same time reduces side-effects, such as nausea, vomiting,

Maternal intestinal HIF-2α is necessary for sensing iron demands of lactation in mice.

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The mechanisms that are essential for the maintenance of nutrient status in breast milk are unclear. Our data demonstrate that the intestine via hypoxia-inducible factor (HIF)-2α is an essential regulatory mechanism for maintaining the quality of breast milk. During lactation, intestinal HIF-2α is

Short-term medical benefits and adverse effects of weight loss.

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Weight loss reduces many of the health hazards associated with obesity including insulin resistance, diabetes mellitus, hypertension, dyslipidemia, sleep apnea, hypoxemia and hypercarbia, and osteoarthritis. Potential adverse effects of weight loss include a greater risk for gallstone formation and

Fibrodysplasia Ossificans Progressiva (FOP): A Segmental Progeroid Syndrome.

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Segmental progeroid syndromes are commonly represented by genetic conditions which recapitulate aspects of physiological aging by similar, disparate, or unknown mechanisms. Fibrodysplasia ossificans progressiva (FOP) is a rare genetic disease caused by mutations in the gene for ACVR1/ALK2 encoding

Bilateral acute lupus pneumonitis in a case of rhupus syndrome.

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Rhupus syndrome, the overlap of rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE), is an extremely uncommon condition. Organ damages found due to SLE are usually mild in rhupus. Lupus pneumonitis in rhupus syndrome has not been reported worldwide. We are reporting a 23-year-old female

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