PhiliPPine Journal of otolaryngology-head and neck Surgery 3 Impact, Not Just Impact Factor: Responding to the Manila Declaration on the Availability and Use of Health Research Information Manila Declaration on the Availability and Use of Health Research Information in and for Low- and Middle-Income Countries in the Asia Pacific Region Otorhinolaryngologic Manifestations of Human Immunodeficiency Virus Infection in Manila, the Philippines Value of the 6-hour Postoperative Ionized Calcium Slope in Predicting Post-Thyroidectomy Occurrence of Hypocalcemia Complications of Head and Neck Reconstructive Surgery Using Axial Pedicled Flap Extended Transpalatine Approach for Excision of Juvenile Angiofibroma Spontaneous Passage of Ingested Coin in Children Chemodectoma and Tetralogy of Fallot Descending Necrotizing Mediastinitis, A Dreaded Complication of Acute Tonsillitis Sinonasal Ameloblastic Carcinoma in a 50-year-old Filipino Female Primary Laryngeal Aspergillosis in a Postpartum Patient A Myringotomy and Ventilating Tube Applicator: New Look at a Five-Century-Old Procedure A Cotton Wick Improves Hearing in a Patient with Profound Hearing Loss Stridor at Birth: Congenital Laryngeal Web Hypopharyngeal, Supraglottic and Subglottic Stenosis After 1 Week Intubation Facial Palsy and Mastoiditis from Fibrous Dysplasia Metastasizing Ameloblastoma PhiliPPine Journal of otolaryngology-head and neck Surgery Vol. 30 no. 2 July – december 2015 CONTENTS COVER IMAGES EDITORIAL 4 Impact, Not Just Impact Factor: Responding to the Manila Declaration on the Availability and Use of Health Research Information Lapeña JF SPECIAL ANNOUNCEMENT 6 Manila Declaration on the Availability and Use of Health Research Information in and for Low- and Middle-Income Countries in the Asia Pacific Region ORIGINAL ARTICLES 8 Otorhinolaryngologic Manifestations of Human Immunodeficiency Virus Infection in Manila, the Philippines Arriola ACP, Chua AH, Abrenica RJT. 13 Value of the 6-hour Postoperative Ionized Calcium Slope in Predicting Post-Thyroidectomy Occurrence of Hypocalcemia Cabance RE, Cruz ES. 19 Complications of Head and Neck Reconstructive Surgery Using Axial Pedicled Flap Dy AES, Alfanta EM, Chiong AM. 25 Extended Transpalatine Approach for Excision of Juvenile Angiofibroma Hernandez JG, Cabungcal AA, Carrillo RJC. 30 Spontaneous Passage of Ingested Coin in Children Estolano PJL, Chua AH. CASE REPORTS 34 Chemodectoma and Tetralogy of Fallot Santiago KJB, Samio LMR, Roldan RA, Castañeda SS. 38 Descending Necrotizing Mediastinitis, A Dreaded Complication of Acute Tonsillitis Go MSC, Cruz ETS. 43 Sinonasal Ameloblastic Carcinoma in a 50-Year-Old Filipino Female Del Mundo DAA. 47 Primary Laryngeal Aspergillosis in a Postpartum Patient Villanueva JCR, Opulencia AP, Calavera KZ, Lim WL. SURGICAL INNOVATIONS AND INSTRUMENTATION 50 A Myringotomy and Ventilating Tube Applicator: New Look at a Five-Century-Old Procedure Amable JPM, Sia-Vargas LL. LETTER TO THE EDITOR 56 A Cotton Wick Improves Hearing in a Patient with Profound Hearing Loss Carrillo RJD, Grullo PER, San Agustin MLM FEATURED GRAND ROUNDS 59 Stridor at Birth: Congenital Laryngeal Web Pascual MVP 62 Hypopharyngeal, Supraglottic and Subglottic Stenosis After 1 Week Intubation Reyes NKS FROM THE VIEWBOX 65 Facial Palsy and Mastoiditis from Fibrous Dysplasia Bickle IC UNDER THE MICROSCOPE 67 Metastasizing Ameloblastoma Atun JML, Carnate JM “Plastic Surgery (Plastic Foreign Body in the Throat)” By Rene Louie C. Gutierrez, MD “Ameloblastoma Maxilla” By Rene Louie C. Gutierrez, MD “Likas na Yaman sa Likod ng Kagubatan” By Rene Louie C. Gutierrez, MD “True VISION sees beyond what seems to be invisible to others.”” By Adrian F. Fernando, MD