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Conference Paper: The prevalence of risk factor of post-inflammatory hyperpigmentation in Chinese patients treated with fractional resurfacing

TitleThe prevalence of risk factor of post-inflammatory hyperpigmentation in Chinese patients treated with fractional resurfacing
Authors
Issue Date2006
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/34073
Citation
The 26th Annual Meeting of American Society for Laser Medicine and Surgery, Boston, MA., 5-9 April, 2006. In Lasers in Surgery and Medicine, 2006, v. 38 suppl. 18, p. 25, abstract no. 77 How to Cite?
AbstractBACKGROUND: Fractional resurfacing is a new concept of skin rejuvenation whereby zones of micro thermal injury in the skin are generated by the use of an infra-red laser. The risk and prevalence of hyperpigmentation in dark-skinned patients have not been studied. OBJECTIVE: To assess the prevalence and risk factor of post-inflammatory hyperpigmentation associated with the use of fractional resurfacing in Chinese. METHOD: A retrospective study of 34 Chinese patients treated with fractional resurfacing for acne scarring, skin rejuvenation and pigmentation were studied. NO cooling was used. All cases had pre- and post-treatment clinical photographs taken by the Canfield CR system. 2 independent observers assessed the photographs. A prospective study using 9 different density and energy treated on the forearm of 18 volunteers. Clinical photographs and spectrophotometer reading were assessed pre- and post-treatment. RESULT: 117 treatment sessions were performed. Patients treated with high energy but low density (16 mJ, 1000 MTZ) has a lower prevalence of PIH (7% vs 11%) than those treated with a low energy but high density (8 mJ, 2000 MTZ). Prospective forearm study confirmed the importance of low density in the determination of PIH in Chinese. CONCLUSION: Cooling and reduced density are important parameters in reducing the risk of PIH in Chinese in the treatment of fractional resurfacing.
DescriptionSession: Dermatoplastics
This journal suppl. entitled: Supplement: American Society for Laser Medicine and Surgery, Twenty-Sixth Annual Meeting, Boston, Massachusetts, April 5–April 9, 2006
Persistent Identifierhttp://hdl.handle.net/10722/102338
ISSN
2015 Impact Factor: 2.135
2015 SCImago Journal Rankings: 0.977

 

DC FieldValueLanguage
dc.contributor.authorChan, HHLen_HK
dc.contributor.authorShek, SYNen_HK
dc.contributor.authorYu, CSen_HK
dc.contributor.authorYeung, CKen_HK
dc.contributor.authorKono, T.en_HK
dc.contributor.authorManstein, D.en_HK
dc.date.accessioned2010-09-25T20:26:36Z-
dc.date.available2010-09-25T20:26:36Z-
dc.date.issued2006en_HK
dc.identifier.citationThe 26th Annual Meeting of American Society for Laser Medicine and Surgery, Boston, MA., 5-9 April, 2006. In Lasers in Surgery and Medicine, 2006, v. 38 suppl. 18, p. 25, abstract no. 77en_HK
dc.identifier.issn0196-8092en_HK
dc.identifier.urihttp://hdl.handle.net/10722/102338-
dc.descriptionSession: Dermatoplastics-
dc.descriptionThis journal suppl. entitled: Supplement: American Society for Laser Medicine and Surgery, Twenty-Sixth Annual Meeting, Boston, Massachusetts, April 5–April 9, 2006-
dc.description.abstractBACKGROUND: Fractional resurfacing is a new concept of skin rejuvenation whereby zones of micro thermal injury in the skin are generated by the use of an infra-red laser. The risk and prevalence of hyperpigmentation in dark-skinned patients have not been studied. OBJECTIVE: To assess the prevalence and risk factor of post-inflammatory hyperpigmentation associated with the use of fractional resurfacing in Chinese. METHOD: A retrospective study of 34 Chinese patients treated with fractional resurfacing for acne scarring, skin rejuvenation and pigmentation were studied. NO cooling was used. All cases had pre- and post-treatment clinical photographs taken by the Canfield CR system. 2 independent observers assessed the photographs. A prospective study using 9 different density and energy treated on the forearm of 18 volunteers. Clinical photographs and spectrophotometer reading were assessed pre- and post-treatment. RESULT: 117 treatment sessions were performed. Patients treated with high energy but low density (16 mJ, 1000 MTZ) has a lower prevalence of PIH (7% vs 11%) than those treated with a low energy but high density (8 mJ, 2000 MTZ). Prospective forearm study confirmed the importance of low density in the determination of PIH in Chinese. CONCLUSION: Cooling and reduced density are important parameters in reducing the risk of PIH in Chinese in the treatment of fractional resurfacing.-
dc.languageengen_HK
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/34073en_HK
dc.relation.ispartofLasers in Surgery and Medicineen_HK
dc.rightsLasers in Surgery and Medicine. Copyright © John Wiley & Sons, Inc.en_HK
dc.titleThe prevalence of risk factor of post-inflammatory hyperpigmentation in Chinese patients treated with fractional resurfacingen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0196-8092&volume=S18&spage=77&epage=&date=2006&atitle=The+prevalence+of+risk+factor+of+post-inflammatory+hyperpigmentation+in+Chinese+patients+treated+with+fractional+resurfacing.en_HK
dc.identifier.emailChan, HHL: hhlchan@hkucc.hku.hken_HK
dc.identifier.emailShek, SYN: samantha.shek@gmail.comen_HK
dc.identifier.emailYu, CS: carolsyu@hku.hken_HK
dc.identifier.emailYeung, CK: yk890901@netvigator.comen_HK
dc.identifier.authorityYu, CS=rp00305en_HK
dc.identifier.doi10.1002/lsm.20313-
dc.identifier.hkuros138191en_HK
dc.identifier.volume38en_HK
dc.identifier.issuesuppl. 18-
dc.identifier.spage25, abstract no. 77en_HK
dc.identifier.epage25, abstract no. 77-

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