A single-center 6-year experience with two types of pediatric tracheostomy
Introduction
Several retrospective studies on pediatric tracheostomy and different surgical techniques have been performed when infant tracheostomy was mainly performed because of laryngotracheobronchitis and epiglottitis [1], [2], [3], [4]. During the last decade, the main indications for pediatric tracheostomy have changed significantly. Nowadays, the main indications are respiratory insufficiency due to underlying neurologic and neuromuscular diseases and prolonged ventilator dependence because of upper or lower airway diseases or systemic deteriorating diseases, with an increase of late postoperative complications due to the stoma and cannulation [5], [6], [7], [8], [9], [10].
Several types of operative techniques, including different tracheal incisions such as vertical incision [2], [4], [6], [8], [11], [12], [13] and creation of inferiorly [3], [4], [10], [14], [15] or superiorly [16] based tracheal flaps, in children have been reported. Vertical tracheal incision [17], [18], [19] and creation of inferiorly [17], [18], [20] or superiorly [19] based tracheal flaps in animal models have also been studied. The incidence of late complications related to the stoma or tracheal lesions such as tracheal stenosis, formation of granulation tissue, suprastomal collapse, or fatal complications could not clearly be related to the type of tracheal incision or the creation of a tracheal flap [21], [22]. Among this wide variety of surgical techniques, a vertical tracheal incision [6], [8], [11], [12], [13] and a horizontal incision with creation of an inferior base tracheal flap [3], [10], [14], [15] have been favorized in the past. To our knowledge, however, only retrospective evaluations and reviews in pediatric tracheostomies have been published during the last 30 years.
To validate both types of tracheal incision (i.e., vertical incision versus horizontal incision with creation of a Björk flap [21]) in tracheostomy in children, we prospectively followed 24 consecutive pediatric patients for tracheostomy tube handling and early and late wound healing disorders and complications.
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Patient population
The investigation was a prospective observational 6-year cohort study from September 1, 1996, until August 31, 2002. Twenty-four children (19 males and 5 females), hospitalized at the Ulm University Hospital, were enrolled in the study (Table 1). The main indications for tracheostomy were neurologic or neuromuscular underlying diseases, CNS diseases, and congenital or acquired airway anomalies. The age limit for inclusion was ≤15 years. Only those tracheostomies performed and managed by members
Early complications (first evaluation)
There were no serious perioperative complications. The mortality rate during the first (early) evaluation period was 4% (1/24), the tracheostomy-related death rate was 0% (0/24). Minor wound healing disorders in only few cases were stoma infection, bleeding, and stomal narrowing in the Flap group (Table 2). In one child, a displacement of the tracheal tube was noted which was recognized immediately without serious long-term complication (Table 3).
Late complications (second evaluation)
During the second evaluation period (6 weeks–6
Discussion
The aim of this study was to prospectively evaluate the clinical outcome and complications, wound healing disorders, and cannula handling in children after tracheostomy. Two different tracheostomy techniques, a vertical tracheal incision and an inferiorly based tracheal flap technique, were compared. For this purpose, over a 6-year period, a prospective database was initiated and 24 children, hospitalized at the Ulm University Hospital, who underwent an elective tracheostomy were included in
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