1992
DOI: 10.1016/0016-5085(92)91508-2
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Pharyngeal (Zenker's) diverticulum is a disorder of upper esophageal sphincter opening

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Cited by 309 publications
(165 citation statements)
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“…The central role of cricopharyngeal pathology is supported by the studies using combined fluoroscopy and manometry [27] and studies demonstrating cricopharyngeal inflammation and fibrosis all leading to formation of a pulsation diverticulum. Therefore, cricopharyngeal myotomy became an integral part of both endoscopic (rigid or flexible), and open surgical strategies leading to decrease of adverse events and recurrence.…”
Section: Resultsmentioning
confidence: 71%
See 1 more Smart Citation
“…The central role of cricopharyngeal pathology is supported by the studies using combined fluoroscopy and manometry [27] and studies demonstrating cricopharyngeal inflammation and fibrosis all leading to formation of a pulsation diverticulum. Therefore, cricopharyngeal myotomy became an integral part of both endoscopic (rigid or flexible), and open surgical strategies leading to decrease of adverse events and recurrence.…”
Section: Resultsmentioning
confidence: 71%
“…In addition, older people have higher hypopharyngeal wave amplitudes that could result from faulty opening or increased connective tissue in the CP. Pharyngeal mucosal herniation in Westrin's model would result from elevation of normal UES pressures, including increased resting pressures, cricopharyngeal achalasia, incomplete/delayed relaxation and opening, premature closure and lack of coordination between pharyngeal contractions and UES opening/dysmotility secondary to neurologic injury [25][26][27][28][29][30][31][32][33]. Histological studies established the presence of inflammation and fibrosis, confirming the hypothesis of the poorly compliant cricopharyngeal mechanism [26].…”
Section: Pathogenesis Of Zdmentioning
confidence: 73%
“…Combined observations suggest that this posterior outpouching of the mucosa and submucosa through the relatively weak posterior pharyngeal wall (Killian's dehiscence) results from increased hypopharyngeal intraluminal pressure due to a poorly compliant but normally relaxing UES that cannot fully distend during the process of sphincter opening [21][22][23]. It is possible that we were unable to document any lower pharyngeal dyssynergia because a cineradiographic study represents only a "snapshot" of the patient's overall swallowing ability and cannot be relied on to be representative [24].…”
Section: Discussionmentioning
confidence: 98%
“…Controvérsias persistem sobre a importância de cada um destes fatores na formação do DZ. Cook et al 5 , através de estudo videofluoroscópico e manométrico simultâneos, avaliaram a fisiopatologia da obstrução ao fluxo dos alimentos durante a deglutição. Os autores concluíram que o DZ é desordem relacionada à diminuição da abertura do esfíncter esofágico superior (EES), a qual não seria causada por incoordenação motora ou relaxamento inadequado dele, mas pela sua abertura incompleta.…”
Section: Introductionunclassified