PubMed · 7454789
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G G Poehling. 1980. Arthroscopy.. https://doi.org/10.1093/ptj%2F60.12.1615
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Advances in spinal surgery for both posterior procedures on herniated discs and anterior procedures involving the vertebral body have been greatly affected by developments in video-assisted techniques. Many of the procedures mentioned here are still in the development stage, others have proven their efficacy. Discoscopy, achieved by introducing the endoscope via a posterolateral route into the intervertebral disc, can be used for diagnosis and treatment of the disc and the end plates. Other techniques exploring the spinal canal are also being developed. With miniaturization, these techniques will undoubtedly be predominant in the near future. The anterior route is facilitated at the thoracic level by the pleural cavity. Current indications for anterior endoscopic spinal surgery are limited to cord compression syndromes, but perspectives for trauma or tumor surgery as well as reconstruction surgery for malformations in children are quite promising. On the lumbar level, surgery involving the lombo-sacral disc is the main indication for transperitoneal endoscopy. The risks (sepsis, occlusion, gas emboli) cannot be overlooked, but few complications have been observed to date. The retroperitoneal route can be used to approach the anterolateral aspect of the spine, particularly useful for the upper lumbar bodies. A third possibility is the extraperitoneal anterior route for video-assisted procedures from L2-L3 to L5-S1. Although video-assisted procedures have not yet been shown to improve long-term outcome after spinal surgery, the immediate post-operative period is greatly simplified, a point which may be of particular importance depending on the patient's general status.
Laryngomalacia is caused by inspiratory collapse of the supraglottic structures in babies. This predominant cause of stridor in the first years of life has a graded occurrence from an insignificant sound phenomenon to insufficient alveolar ventilation with possible serious complications and development of dystrophy. The laryngomalacia must be sub-classified by direct laryngoscopy with a flexible endoscope under spontaneous respiration. Microsurgical techniques for performing supraglottoplasty have recently been introduced. The authors describe symptoms and results in four cases of laryngomalacia, in one of whom a supraglottoplasty was performed. The authors emphasise the importance of recognising laryngomalacia as a possible cause of delayed development in the first year of life.
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