Tight near-total corrosive strictures of the proximal esophagus with concomitant involvement of the hypopharynx: Flexible endoscopic management using a novel technique

Table 1 Demographic details, radiological and endoscopic findings, and outcomes of the 2 patients with near-total strictures of the pharyngo-esophagus treated by the flexible endoscopic technique

		Case 1	Case 2
Demographic details	Age/Sex	37/F	42/M
	BMI (kg/m2) at presentation	13.2	15.6
	Acid consumed	Sulphuric acid	Nitric acid
	Time since acid was consumed	4 mo	11 mo
	No. of strictures on esophagogram	1	2
	Approximate length of stricture	3.5 cm	4 cm (proximal stricture)
			5 mm (distal stricture)
	Near-total stricture communicated with which piriform sinus	Right piriform sinus	Right piriform sinus
	Concomitant gastric stricture	No	No
	Whether feeding jejunostomy was performed?	No	No
Endoscopic procedural details	Time taken for the passage of guide-wire across the stricture	First session: Failed	14 min
		Second session: 22 min
	Dilatation details
	First balloon dilatation till	6 mm	6 mm
	No. of dilatations to reach 14 mm	3	4
	Residual stricture after dilatation on esophagogram	Yes	Proximal stricture: Yes
			Distal stricture: No
	Time taken for electro-incision	12 min	10 min
Primary outcome	Complete relief of dysphagia along with the resolution of stricture(s) on esophagogram and endoscopy, performed after 2 wk of full endoscopic therapy	Yes	Yes
Secondary outcomes	Intraprocedural complication	None	None
	Post-procedural complication	None	None
	Duration of the follow-up	22 mo	14 mo
	Improvement in activities after the procedure	Yes	Yes
	Recurrence of dysphagia during the follow-up or any need of additional therapy	No	No
	Any regurgitation episode during the follow-up	No	No
	Any aspiration episode during the follow-up	No	No
	BMI at last follow-up (kg/m2)	21.6	23.8

BMI: Body mass index; F: female; M: Male.