Endoprosthesis implantation at the pharyngo-esophageal level: Problems, limitations and challenges

Table 1 Data of carcinoma patients

	Age	Gender	Disease
1	64	Male	Laryngeal carcinoma causing obstruction
2	72	Male	Laryngeal carcinoma causing obstruction
3	75	Male	Laryngeal carcinoma causing obstruction
4	65	Male	Hypopharyngeal carcinoma causing obstruction
5	68	Male	Hypopharyngeal carcinoma causing obstruction
6	70	Female	Esophageal inlet carcinoma causing obstruction
7	80	Male	Esophageal inlet carcinoma causing obstruction
8	62	Female	Esophagotracheal fistula after thyroidectomy + radiotherapy
9	64	Male	Esophagotracheal fistula after hypopharyngeal carcinoma
10	82	Male	Esophagocutaneous fistulas after total laryngectomy + radiotherapy
11	72	Male	Esophagocutaneous fistulas after total laryngectomy + radiotherapy

Table 2 Data of benign disease patients

	Age	Gender	Underlined disease
1	21	Male	Multiple trauma
2	73	Female	Multiple trauma [in septic state]
3	76	Male	Cerebral hemorrhage
4	56	Male	Cerebral hemorrhage
5	47	Female	Post-operative complications [in septic state]
6	70	Female	Post-operative complications
7	72	Male	Post-operative complications [in septic state]
8	72	Male	Post-operative complications [in septic state]

Table 3 Results after stent placement

Obstruction due to malignancy	7 cases
Stenting related mortality	0
Improvement of dysphagia [score]	From 3 to 2
Median hospital stay after stenting	3 d
Malignant esophagotracheal fistula	2 cases
Stenting related mortality	0
Sealing of fistula	2/2 (100%)
Median hospital stay after stenting	3 d
Malignant esophagocutaneous fistula	2 cases
Stenting related mortality	0
Sealing of fistula	2/2 (100%)
Median hospital stay after stenting	13.5 d
Benign esophagotracheal fistula	8 cases
Stenting related mortality	0
Sealing of fistula	8/8 (100%)
Disease related mortality	7 cases