hair growth, stop hair loss



References: Hair growth and hair loss





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BACKGROUND: The goal of complication-free scalp surgery remains elusive. Wide unsightly scars, stretch-atrophied hypesthetic, poorly vascularized tissues and distorted hair patterns are still commonly seen and appear to be largely refractory to remedial surgery. OBJECTIVE: To establish technical guidelines for scalp surgery most compatible with maximum functional/cosmetic benefit and complication-free results. METHODS: More than 3000 scalp operations, done personally, were reviewed. These covered the entire spectrum of plastic and reconstructive surgery and hair restoration procedures including more than 700 clinical surgical investigative procedures with pericranial flaps, subgaleal and subperiosteal scalp reductions, and deep plane fixation procedures. RESULTS: Notably improved scalp surgery outcomes resulted from the application of data derived from study of the surgical anatomy of the scalp. Unsightly scars, distorted hair patterns, hypesthetic poorly vascularized tissues, and distorted hair patterns were largely avoided. CONCLUSION: An understanding of the surgical anatomy of the scalp is a cornerstone on which complication-free scalp surgery is based.

online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12135510&dopt=Abstract




Hear Res. 1999 Sep;135(1-2):135-45.
Tip-link integrity on chick tall hair cell stereocilia following intense sound exposure.

Husbands JM, Steinberg SA, Kurian R, Saunders JC.

Department of Otorhinolaryngology: Head and Neck Surgery, School of Medicine, University of Pennsylvania, Philadelphia 19104, USA.

Hair bundle tip links have been implicated in the process of hair cell transduction, and previous studies have shown that acoustic overstimulation or exposure to low calcium can disrupt them. Severed tip links would thus be expected to cause a loss in hair cell function. This study investigates the presence of tip links on chick tall hair cells at three exposure durations and three recovery durations. After 4, 24, or 48 h of exposure, and 24, 96, and 288 h of recovery, the basilar papilla was harvested and prepared for scanning electron microscopy. Photomicrographs of hair bundles from sound-exposed and age-matched control ears were obtained in regions of the papilla adjacent to the 'patch' lesion. The percentage of tip links present on these hair bundles was determined from the photomicrographs. After 4, 24, or 48 h of exposure, an average of 49%, 41.1% and 52% of the observed sensory hairs exhibited links. This was significantly lower than that seen in the control ears (71.2%). There also was a reliable recovery of tip links between 24 and 48 h of exposure. The recovery continued and by 24 h post exposure, tip links were present on 61.3% of the sensory hairs. At subsequent recovery intervals, the mean number of tip links on sound-exposed tall hair cells was statistically the same as seen on control cells. The results indicated a predictable loss in the number of tip links during the exposure and their restoration within a relatively short time after the exposure. This structural damage to the tall hair cell, and its recovery, could account for some of the loss and recovery of function in the auditory periphery of these sound-damaged chicks.

online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10491962&dopt=Abstract




Dermatol Surg. 2002 Sep;28(9):808-16.
An evaluation system to enhance patient selection for alopecia-reducing surgery.

Brandy DA.

Department of Dermatology, University of Pittsburgh Medical Center, Pennsylvania, USA.

BACKGROUND: The author presents an evaluation system that helps optimize the chances of achieving good results with alopecia-reducing procedures. OBJECTIVE: To help hair restoration surgeons select patients properly for alopecia-reducing procedures. METHODS: Twenty criteria are scrutinized by the hair restoration surgeon during the initial consultation and given a score of one to five. The scores are added together and divided by 20. A patient with a score greater than four is considered a good candidate for alopecia reduction in most cases. RESULTS: This evaluation method has significantly decreased the number of patients undergoing alopecia-reducing procedures while helping the author achieve consistently good results. CONCLUSION: An evaluation system is presented that helps determine who is a good candidate for alopecia reduction and who is a poor candidate. This selection technique has helped the author achieve more consistently good results by eliminating poor and borderline candidates.

online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12269874&dopt=Abstract













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