Department of Otorhinolaryngology Head and Neck Surgery Faculty of Medicine - Andalas University Dr. M. Djamil Hospital, Padang 2019 Wound Healing Lorensia Fitra Dwita Facial Plastic and Reconstructive Surgery SubDivision Pendahuluan Scar Hipertrofi scar / keloid Wound Healing • Kerusakan jaringan • Inflamasi Facial Plastic & Reconstruction Surgery SubDivision Pendahuluan Wound Healing (The Edwin Smith Papyrus) 1600SM suatu sistem terkoordinasi yang melibatkan respon bioseluler waktu cedera jaringan pelepasan sitokin dan growth factor, aktivasi sel dan regenerasi jaringan Facial Plastic & Reconstruction Surgery SubDivision Pendahuluan Facial Plastic & Reconstruction Surgery SubDivision (Papel, ID et al dalam Facial Plastic and Reconstructive Surgery, 4th edition, 2016) Wound Healing (Maria Z et al, Plastic and Reconstructive Surgery, 2010) Fase wound healing Hemostasis and Inflammation Kemotaksis dan Aktivasi Epitelisasi, angiogenesis 0 – 4 s/d 6 hari Neutrofil, monosit, sitokin-sitokin dan mediator inflamasi Hari 4 – 14 Aktivasi endotelium dan platelet aktivasi koagulasi cascade Infiltrasi neutrofil 2428 jam after injury Kolagen, IL, TNF stimulate fibroblast granulasi,tissue formation Fibrin clot Inisiasi transisi ke fase proliferatif FGF angiogenesis, TGF epitelialisasi Maturasi dan Remodelling Hari 7 – bulan hingga 1 tahun Scar lebih kuat, mengecil dan warnanya mulai menyerupai warna kulit normal (Papel, ID et al dalam Facial Plastic and Reconstructive Surgery, 4th edition, 2016) Wound Healing Local factor Systemic factor • Iskemik • Infeksi • Medikasi • Penyakit herediter • Penyakit Vaskular • Metabolik, imunologi defisiensi Wound Healing Facial Plastic & Reconstruction Surgery SubDivision Facial Plastic & Reconstruction Surgery SubDivision Wound Healing Normal scar Abnormal scar Facial Plastic & Reconstruction Surgery SubDivision Abnormal wound healing Hipertrofi scar • “overhealing” states • Excessive production + deposition collagen and glycoprotein • Menebal namun tidak melebihi di atas batas luka • Regress with time • Terapi Injeksi steroid intralesi Facial Plastic & Reconstruction Surgery SubDivision Abnormal wound healing Keloid • Tumbuh menebal dan melebihi batas luka, meluas ke jaringan normal sekitar • Rekuren (8%) • Injeksi kortikosteroid intralesi mengurangi produksi fibroblast dan protein matriks extraseluler • Kombinasi terapi tekanan local, interferon, bedah Facial Plastic & Reconstruction Surgery SubDivision Bone Healing Facial Plastic & Reconstruction Surgery SubDivision Bone Healing Fase inflamasi 0-5 hari after injury fibroblast ke matrik tulang, kartilago dan fibrin tulang menguatkan pertumbuhan tulang (hingga minggu 2-3) Kalus deposit osteoid kalsifikasi tulang immatur Facial Plastic & Reconstruction Surgery SubDivision Bone Healing Normal union Abnormal union Facial Plastic & Reconstruction Surgery SubDivision Abnormal bone healing Mal- Nonunion union Facial Plastic & Reconstruction Surgery SubDivision TERIMA KASIH Facial Plastic & Reconstruction Surgery SubDivision Facial Plastic & Reconstruction Surgery SubDivision Facial Plastic & Reconstruction Surgery SubDivision