RESUMO
BACKGROUND: Three-dimensional (3D) printing has allowed great progression in the medical field. In otolaryngology practice, 3D printing can be used for planning in case of malformation/complex surgery, for surgeon training, and for recreating missing tissues. This systematic review aimed to summarize the current benefits and the possible future application of 3D technologies in the otolaryngology field. METHODS: A systematic review of articles that discuss the use of 3D printing in the otolaryngology field was performed. All publications without the restriction of time and that were published by December 2021 in the English language were included. Searches were performed in the PubMed, MEDLINE, Scopus, and Embase databases. Keywords used were: "3D printing", "bioprinting", "three-dimensional printing", "tissue engineering" in combination with the terms: "head and neck surgery", "head and neck reconstruction", "otology", "rhinology", "laryngology", and "otolaryngology". RESULTS: Ninety-one articles were included in this systematic review. The articles describe the clinical application of 3D printing in different fields of otolaryngology, from otology to pediatric otolaryngology. The main uses of 3D printing technology discussed in the articles included in the review were surgical planning in temporal bone malformation, the reconstruction of missing body parts after oncologic surgery, allowing for medical training, and providing better information to patients. CONCLUSION: The use of 3D printing in otolaryngology practice is constantly growing. However, available evidence is still limited, and further studies are needed to better evaluate the benefits of this technology.
RESUMO
BACKGROUND: The objective of this study was to compare the low-priced monopolar electrocautery to the high-priced, worldwide used, plasma ablation in tonsillotomy among children aged between three and twelve years, suffering from obstructive breathing disorders (OBD), with respect to post-operative pain, bleeding and related morbidities. METHODS: A randomized case-control study was conducted in the Eye and Ear Hospital International- Lebanon. 103 children aged between three and twelve years suffering from OBD secondary to tonsillar hypertrophy were randomly assigned into two groups. Post-operative pain was evaluated using age-adequate validated scales: "FLACC-R" (Face, Legs, Activity, Cry, Consolability-Revised) for children aged less than five years, and "Wong Baker faces" for older children. Additional post-operative outcomes were evaluated using Pain-PROM (Patient reported Pain-Related Outcome Measures) and TAHSI (Tonsil and Adenoid Health Status Instrument) scales. RESULTS: Significantly, higher rates of patients who underwent tonsillotomy via plasma ablation technique used analgesics and had severe pain compared to the monopolar electrocautery group. A longer operative duration was significantly associated with higher pain scores, and the plasma ablation technique yielded significantly higher operative mean durations. 10 days post-operatively, a significantly higher percentage of children reported an overall high pain severity and more than expected overall pain when using the plasma ablation technique compared to the monopolar electrocautery one. Overall bleeding rates were similar. No difference was reported one month post-operatively. CONCLUSION: When compared to plasma ablation, monopolar electrocautery, can provide the same efficiency in relieving OBD in healthy children, with equal overall bleeding rates, but significantly lower cost, operating time, pain scores and need for analgesics.
