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Purpose: To determine whether the use of fibrin glue has an impact on wound drainage created in an animal model.Materials and Methods: Fibrin glue was prepared from single-donation autologous phlebotomy before surgery. Bilateral skin flaps were raised over the parotid gland in 10 rabbits. After exposure of the parotid, fibrin glue was applied on one side using an atomizer. The opposite side was treated...
Purpose: This study was performed to 1) evaluate the proliferative activity in premalignancies of the larynx by immunostaining for proliferating cell nuclear antigen (PCNA), 2) to examine the relationship between PCNA expression and histological diagnosis and 3) to evaluate clinical values of PCNA immunostaining.Materials and Methods: The percentage of PCNA-positive nuclei (PCNA index) and their highest...
Purpose: To determine if gastroesophageal reflux affects the healing of esophageal mucosa damaged by alkaline substances.Materials and Methods: In a rabbit model, the effects of intermittent acid and pepsin exposure (thereby mimicking gastroesophageal reflux) on post-caustic-burn esophageal mucosa were examined. Exposures were group I (n = 9), sodium hydroxide exposure alone; group II (n = 9), daily...
Purpose: Bacterial deoxyribonucleic acid (DNA) has been previously detected by polymerase chain reactions (PCR) in a significant percentage of culturally-sterile pediatric middle-ear effusions. The current study was designed to determine whether this represents the existence of viable bacteria or the persistence of residual DNA in the middle-ear cleft.Materials and Methods: The middle-ear cavities...
Purpose: To compare single versus dual venous drainage of radial forearm free flaps (RFFF) and its impact on flap survival.Design: A retrospective case series of 43 consecutive patients undergoing radial forearm free flap reconstruction for head and neck cancer defects, combined with a meta-analysis of 218 reported cases.Setting: Two academic, tertiary referral medical centers.Intervention: All 43...
Introduction: At the time of this writing, it is unclear whether metastasis to the parotid gland necessitates a radical surgical approach, including removal of the facial nerve, which results in a great loss of the patient's quality of life.Materials and Methods: The clinical course of patients who underwent parotid surgery in the ENT clinic of Hamburg University during the period 1982-1992 as a result...
Purpose: In patients with diseases of the cranial base, anatomical landmarks are often obliterated by tumor inflammatory diseases or previous surgery. The surgeon may fail to recognize important anatomical structures or tumor margins, increasing the morbidity of the surgery and downgrading the oncological outcome.Materials and Methods: The ISG Viewing Wand is an intraoperative navigational device...
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