Vaezi MF, Pandolfino JE, Yadlapati RH, et al. ACG clinical guidelines: diagnosis and management of achalasia. Am J Gastroenterol. 2020;115(9):1393–411.

Article  PubMed  PubMed Central  Google Scholar 

Mari A, Sweis R. Assessment and management of dysphagia and achalasia. Clin Med. 2021;21(2):119–23.

Article  Google Scholar 

Li MY, Wang QH, Chen RP, et al. Pathogenesis, clinical manifestations, diagnosis, and treatment progress of achalasia of cardia. World J Clin Cases. 2023;11(8):1741–52.

Article  PubMed  PubMed Central  Google Scholar 

Riccio F, Costantini M, Salvador R. Esophageal achalasia: diagnostic evaluation. World j surg. 2022;46(7):1516–21.

Article  PubMed  PubMed Central  Google Scholar 

Andrási L, Paszt A, Simonka Z, et al. Surgical treatment of esophageal achalasia in the era of minimally invasive surgery. JSLS. 2021;25(1):e2020–e99.

Article  PubMed Central  Google Scholar 

Gupta M, Ghoshal UC, Jindal S, et al. Respiratory dysfunction is common in patients with achalasia and improves after pneumatic dilation. Dig Dis Sci. 2014;59(4):744–52.

Article  PubMed  Google Scholar 

Ortiz López D, Acosta Mérida MA, Callejón Cara MDM, Gómez Marchena J. Severe respiratory failure secondary to megaesophagus due to terminal achalasia. Rev Esp Enferm Dig. 2021;113(6):463–4.

PubMed  Google Scholar 

Sinan H, Tatum RP, Soares RV, et al. Prevalence of respiratory symptoms in patients with achalasia. Dis Esophagus. 2011;24(4):224–8.

Article  PubMed  Google Scholar 

Blaney H, Agrawal N, Ashfaq S, Naumann C. Achalasia revealed by respiratory failure and hemodynamic instability. ACG Case Rep J. 2020;7(1):e298.

Article  PubMed  PubMed Central  Google Scholar 

Pandolfino JE, Gawron AJ. Achalasia: a systematic review. JAMA. 2015;313(18):1841–52.

Article  PubMed  Google Scholar 

Bello CT, Lewin JR, Norris CM, Farrar GE Jr. Achalasia (cardiospasm); report of a case with extreme and unusual manifestations. Ann Intern Med. 1950;32(6):1184–90.

Article  PubMed  Google Scholar 

Giustra PE, Killoran PJ, Wasgatt WN. Acute stridor in achalasia of the esophagus (cardiospasm). Am J Gastroenterol. 1973;60(2):160–4.

PubMed  Google Scholar 

McLean RD, Stewart CJ, Whyte DG. Acute thoracic inlet obstruction in achalasia of the oesophagus. Thorax. 1976;31(4):456–9.

Article  PubMed  PubMed Central  Google Scholar 

King DM, Strickland B. An unusual cause of thoracic inlet obstruction. Br J Radiol. 1979;52(623):910–3.

Article  PubMed  Google Scholar 

Chijimatsu Y, Hasumi K, Inatomi K, Tamura M, Homma H. Airway obstruction in achalasia. Chest. 1980;78(2):348–50.

Article  PubMed  Google Scholar 

Travis KW, Saini VK, O’Sullivan PT. Upper-airway obstruction and achalasia of the esophagus. Anesthesiology. 1981;54(1):87–8.

Article  PubMed  Google Scholar 

Evans CR, Cawood R, Dronfield MW, Mungall IP. Achalasia: presentation with stridor and a new form of treatment. Br Med J. 1982;285(6356):1704. Dec.

Article  Google Scholar 

Collins MP, Rabie S. Sudden airway obstruction in achalasia. J Laryngol Otol. 1984;98(2):207–11.

Article  PubMed  Google Scholar 

ten Brock E, McNally D. Upper airway obstruction in achalasia. Conn Med. 1986;50(1):5–6.

PubMed  Google Scholar 

Dominguez F, Hernandez-Ranz F, Boixeda D, Valdazo P. Acute upper-airway obstruction in achalasia of the esophagus. Am J Gastroenterol. 1987;82(4):362–4.

PubMed  Google Scholar 

Moloney JR, Carr-Locke DL, Cookson JB. Stridor due to an achalasia-like condition of the oesophagus. J Laryngol Otol. 1987;101(12):1297–300.

Article  PubMed  Google Scholar 

Carlsson-Nordlander B. Acute upper airway obstruction in a patient with achalasia. Arch Otolaryngol Head Neck Surg. 1987;113(8):885–7.

Article  PubMed  Google Scholar 

Wickramasinghe LS, Chowdhury CR, Pillai SS, Ghosh S. Distended oesophagus as a cause of bilateral recurrent laryngeal nerve palsy. Postgrad Med J. 1988;64(758):958–9.

Article  PubMed  PubMed Central  Google Scholar 

Zikk D, Rapoport Y, Halperin D, Papo J, Himelfarb MZ. Acute airway obstruction and achalasia of the esophagus. Ann Otol Rhinol Laryngol. 1989;98(8 Pt 1):641–3.

Article  PubMed  Google Scholar 

Barr GD, MacDonald I. Management of achalasia and laryngo-tracheal compression. J Laryngol Otol. 1989;103(7):713–4.

Article  PubMed  Google Scholar 

Becker DJ, Castell DO. Acute airway obstruction in achalasia. Possible role of defective belch reflex. Gastroenterology. 1989;97(5):1323–6.

Article  PubMed  Google Scholar 

Westbrook JL. Oesophageal achalasia causing respiratory obstruction. Anaesthesia. 1992;47(1):38–40. https://doi.org/10.1111/j.1365-2044.1992.tb01952.x.

Article  PubMed  Google Scholar 

Davis JP, Hyde JA. Management of acute dilatation of the oesophagus presenting as stridor. J Laryngol Otol. 1992;106(8):744–5.

Article  PubMed  Google Scholar 

Panzini L, Traube M. Stridor from tracheal obstruction in a patient with achalasia. Am J Gastroenterol. 1993;88(7):1097–100.

PubMed  Google Scholar 

Ali GN, Hunt DR, Jorgensen JO, deCarle DJ, Cook IJ. Esophageal achalasia and coexistent upper esophageal sphincter relaxation disorder presenting with airway obstruction. Gastroenterology. 1995;109(4):1328–32.

Article  PubMed  Google Scholar 

Campbell KL, Logie JR, Munro A. Cricopharyngeus myotomy for upper airway obstruction in achalasia. Br J Surg. 1995;82(12):1668–9.

Article  PubMed  Google Scholar 

Tasker AD. Achalasia: an unusual cause of stridor. Clin Radiol. 1995;50(7):496–8.

Article  PubMed  Google Scholar 

Dunlop SP, Travis SP. Achalasia presenting as acute stridor. Eur J Gastroenterol Hepatol. 1997;9(11):1125–8.

Article  PubMed  Google Scholar 

Turkot S, Golzman B, Kogan J, Valid BE, Lebovici O, Oren S. Acute upper-airway obstruction in a patient with achalasia. Ann Emerg Med. 1997;29(5):687–9.

Article  PubMed  Google Scholar 

Berrisford RG, Oo A, Walshaw MJ, Drakeley MJ. Tracheal obstruction in achalasia: a role for airway stenting? Ann Thorac Surg. 1998;66(3):939–41.

Article  PubMed  Google Scholar 

Requena R, Hart AK, Kuhn JJ. Acute upper airway obstruction in achalasia. Otolaryngol Head Neck Surg. 1999;120(1):105–8.

Article  PubMed  Google Scholar 

Hay H. Rapidly developing airway obstruction resulting from achalasia of the oesophagus. Eur J Anaesthesiol. 2000;17(6):398–400.

Article  PubMed  Google Scholar 

Arcos E, Medina C, Mearin F, Larish J, Guarner L, Malagelada JR. Achalasia presenting as acute airway obstruction. Dig Dis Sci. 2000;45(10):2079–83.

Article  PubMed